diff --git a/Android.bp b/Android.bp
index 1b6ffe4..45d022f 100644
--- a/Android.bp
+++ b/Android.bp
@@ -112,6 +112,7 @@
         "androidx.preference_preference",
         "androidx.slice_slice-view",
         "androidx.cardview_cardview",
+        "com.google.android.material_material",
         "iconloader_base",
     ],
     manifest: "AndroidManifest-common.xml",
diff --git a/AndroidManifest-common.xml b/AndroidManifest-common.xml
index d725a16..4eecf29 100644
--- a/AndroidManifest-common.xml
+++ b/AndroidManifest-common.xml
@@ -144,7 +144,7 @@
         <activity
             android:name="com.android.launcher3.settings.SettingsActivity"
             android:label="@string/settings_button_text"
-            android:theme="@style/HomeSettingsTheme"
+            android:theme="@style/HomeSettings.Theme"
             android:exported="true"
             android:autoRemoveFromRecents="true">
             <intent-filter>
diff --git a/quickstep/res/drawable/ic_sysbar_accessibility_button.xml b/quickstep/res/drawable/ic_sysbar_accessibility_button.xml
new file mode 100644
index 0000000..e0d5406
--- /dev/null
+++ b/quickstep/res/drawable/ic_sysbar_accessibility_button.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2018 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="21dp"
+    android:height="21dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:pathData="M20.5,6c-2.61,0.7 -5.67,1 -8.5,1S6.11,6.7 3.5,6L3,8c1.86,0.5 4,0.83 6,1v13h2v-6h2v6h2V9c2,-0.17 4.14,-0.5 6,-1L20.5,6zM12,6c1.1,0 2,-0.9 2,-2s-0.9,-2 -2,-2s-2,0.9 -2,2S10.9,6 12,6z"
+        android:fillColor="@android:color/white"
+        />
+</vector>
\ No newline at end of file
diff --git a/quickstep/res/drawable/ic_sysbar_rotate_button_ccw_start_0.xml b/quickstep/res/drawable/ic_sysbar_rotate_button_ccw_start_0.xml
new file mode 100644
index 0000000..ff5cb9e
--- /dev/null
+++ b/quickstep/res/drawable/ic_sysbar_rotate_button_ccw_start_0.xml
@@ -0,0 +1,187 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2020 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<animated-vector xmlns:android="http://schemas.android.com/apk/res/android" xmlns:aapt="http://schemas.android.com/aapt">
+    <aapt:attr name="android:drawable">
+        <vector android:name="root"
+                android:width="28dp"
+                android:height="28dp"
+                android:viewportWidth="28.0"
+                android:viewportHeight="28.0">
+            <!-- Use scaleX to flip icon so arrows always point in the direction of motion -->
+            <group android:name="icon" android:pivotX="14" android:pivotY="14"
+                   android:scaleX="1">
+                <!-- Tint color to be set directly -->
+                <path android:fillColor="#FFFFFFFF"
+                      android:pathData="M12.02,10.83L9.25,8.06l2.77,-2.77l1.12,1.12l-0.85,0.86h5.16c0.72,0 1.31,0.56 1.31,1.26v9.16l-1.58,-1.58V8.85h-4.89l0.86,0.86L12.02,10.83zM15.98,17.17l-1.12,1.12l0.85,0.86h-4.88v-7.26L9.25,10.3v9.17c0,0.7 0.59,1.26 1.31,1.26h5.16v0.01l-0.85,0.85l1.12,1.12l2.77,-2.77L15.98,17.17z"/>
+            </group>
+        </vector>
+    </aapt:attr>
+
+    <!-- Repeat all animations 5 times but don't fade out at the end -->
+    <target android:name="root">
+        <aapt:attr name="android:animation">
+            <set android:ordering="sequentially">
+                <!-- Linear fade in-->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:valueFrom="0"
+                                android:valueTo="1"
+                                android:interpolator="@android:anim/linear_interpolator" />
+                <!-- Linear fade out -->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="1700"
+                                android:valueFrom="1"
+                                android:valueTo="0"
+                                android:interpolator="@android:anim/linear_interpolator"/>
+                <!-- Linear fade in-->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="100"
+                                android:valueFrom="0"
+                                android:valueTo="1"
+                                android:interpolator="@android:anim/linear_interpolator" />
+                <!-- Linear fade out -->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="1700"
+                                android:valueFrom="1"
+                                android:valueTo="0"
+                                android:interpolator="@android:anim/linear_interpolator"/>
+                <!-- Linear fade in-->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="100"
+                                android:valueFrom="0"
+                                android:valueTo="1"
+                                android:interpolator="@android:anim/linear_interpolator" />
+                <!-- Linear fade out -->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="1700"
+                                android:valueFrom="1"
+                                android:valueTo="0"
+                                android:interpolator="@android:anim/linear_interpolator"/>
+                <!-- Linear fade in-->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="100"
+                                android:valueFrom="0"
+                                android:valueTo="1"
+                                android:interpolator="@android:anim/linear_interpolator" />
+                <!-- Linear fade out -->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="1700"
+                                android:valueFrom="1"
+                                android:valueTo="0"
+                                android:interpolator="@android:anim/linear_interpolator"/>
+                <!-- Linear fade in-->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="100"
+                                android:valueFrom="0"
+                                android:valueTo="1"
+                                android:interpolator="@android:anim/linear_interpolator" />
+            </set>
+        </aapt:attr>
+    </target>
+    <target android:name="icon">
+        <aapt:attr name="android:animation">
+            <set android:ordering="sequentially">
+                <!-- Icon rotation with start timing offset after fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:startOffset="100"
+                                android:duration="600"
+                                android:valueFrom="0"
+                                android:valueTo="-90">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.408,1.181 0.674,1.08 1.0,1.0"/>
+                    </aapt:attr>
+                </objectAnimator>
+
+                <!-- Reset rotation position for fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:startOffset="1300"
+                                android:duration="100"
+                                android:valueFrom="0"
+                                android:valueTo="0"/>
+
+                <!-- Icon rotation with start timing offset after fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:duration="600"
+                                android:valueFrom="0"
+                                android:valueTo="-90">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.408,1.181 0.674,1.08 1.0,1.0"/>
+                    </aapt:attr>
+                </objectAnimator>
+
+                <!-- Reset rotation position for fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:startOffset="1300"
+                                android:duration="100"
+                                android:valueFrom="0"
+                                android:valueTo="0"/>
+
+                <!-- Icon rotation with start timing offset after fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:duration="600"
+                                android:valueFrom="0"
+                                android:valueTo="-90">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.408,1.181 0.674,1.08 1.0,1.0"/>
+                    </aapt:attr>
+                </objectAnimator>
+
+                <!-- Reset rotation position for fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:startOffset="1300"
+                                android:duration="100"
+                                android:valueFrom="0"
+                                android:valueTo="0"/>
+
+                <!-- Icon rotation with start timing offset after fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:duration="600"
+                                android:valueFrom="0"
+                                android:valueTo="-90">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.408,1.181 0.674,1.08 1.0,1.0"/>
+                    </aapt:attr>
+                </objectAnimator>
+
+                <!-- Reset rotation position for fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:startOffset="1300"
+                                android:duration="100"
+                                android:valueFrom="0"
+                                android:valueTo="0"/>
+
+                <!-- Icon rotation with start timing offset after fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:duration="600"
+                                android:valueFrom="0"
+                                android:valueTo="-90">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.408,1.181 0.674,1.08 1.0,1.0"/>
+                    </aapt:attr>
+                </objectAnimator>
+            </set>
+        </aapt:attr>
+    </target>
+</animated-vector>
\ No newline at end of file
diff --git a/quickstep/res/drawable/ic_sysbar_rotate_button_ccw_start_90.xml b/quickstep/res/drawable/ic_sysbar_rotate_button_ccw_start_90.xml
new file mode 100644
index 0000000..90fedb1
--- /dev/null
+++ b/quickstep/res/drawable/ic_sysbar_rotate_button_ccw_start_90.xml
@@ -0,0 +1,187 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2020 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<animated-vector xmlns:android="http://schemas.android.com/apk/res/android" xmlns:aapt="http://schemas.android.com/aapt">
+    <aapt:attr name="android:drawable">
+        <vector android:name="root"
+                android:width="28dp"
+                android:height="28dp"
+                android:viewportWidth="28.0"
+                android:viewportHeight="28.0">
+            <!-- Use scaleX to flip icon so arrows always point in the direction of motion -->
+            <group android:name="icon" android:pivotX="14" android:pivotY="14"
+                   android:scaleX="1">
+                <!-- Tint color to be set directly -->
+                <path android:fillColor="#FFFFFFFF"
+                      android:pathData="M12.02,10.83L9.25,8.06l2.77,-2.77l1.12,1.12l-0.85,0.86h5.16c0.72,0 1.31,0.56 1.31,1.26v9.16l-1.58,-1.58V8.85h-4.89l0.86,0.86L12.02,10.83zM15.98,17.17l-1.12,1.12l0.85,0.86h-4.88v-7.26L9.25,10.3v9.17c0,0.7 0.59,1.26 1.31,1.26h5.16v0.01l-0.85,0.85l1.12,1.12l2.77,-2.77L15.98,17.17z"/>
+            </group>
+        </vector>
+    </aapt:attr>
+
+    <!-- Repeat all animations 5 times but don't fade out at the end -->
+    <target android:name="root">
+        <aapt:attr name="android:animation">
+            <set android:ordering="sequentially">
+                <!-- Linear fade in-->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:valueFrom="0"
+                                android:valueTo="1"
+                                android:interpolator="@android:anim/linear_interpolator" />
+                <!-- Linear fade out -->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="1700"
+                                android:valueFrom="1"
+                                android:valueTo="0"
+                                android:interpolator="@android:anim/linear_interpolator"/>
+                <!-- Linear fade in-->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="100"
+                                android:valueFrom="0"
+                                android:valueTo="1"
+                                android:interpolator="@android:anim/linear_interpolator" />
+                <!-- Linear fade out -->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="1700"
+                                android:valueFrom="1"
+                                android:valueTo="0"
+                                android:interpolator="@android:anim/linear_interpolator"/>
+                <!-- Linear fade in-->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="100"
+                                android:valueFrom="0"
+                                android:valueTo="1"
+                                android:interpolator="@android:anim/linear_interpolator" />
+                <!-- Linear fade out -->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="1700"
+                                android:valueFrom="1"
+                                android:valueTo="0"
+                                android:interpolator="@android:anim/linear_interpolator"/>
+                <!-- Linear fade in-->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="100"
+                                android:valueFrom="0"
+                                android:valueTo="1"
+                                android:interpolator="@android:anim/linear_interpolator" />
+                <!-- Linear fade out -->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="1700"
+                                android:valueFrom="1"
+                                android:valueTo="0"
+                                android:interpolator="@android:anim/linear_interpolator"/>
+                <!-- Linear fade in-->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="100"
+                                android:valueFrom="0"
+                                android:valueTo="1"
+                                android:interpolator="@android:anim/linear_interpolator" />
+            </set>
+        </aapt:attr>
+    </target>
+    <target android:name="icon">
+        <aapt:attr name="android:animation">
+            <set android:ordering="sequentially">
+                <!-- Icon rotation with start timing offset after fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:startOffset="100"
+                                android:duration="600"
+                                android:valueFrom="90"
+                                android:valueTo="0">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.408,1.181 0.674,1.08 1.0,1.0"/>
+                    </aapt:attr>
+                </objectAnimator>
+
+                <!-- Reset rotation position for fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:startOffset="1300"
+                                android:duration="100"
+                                android:valueFrom="90"
+                                android:valueTo="90"/>
+
+                <!-- Icon rotation with start timing offset after fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:duration="600"
+                                android:valueFrom="90"
+                                android:valueTo="0">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.408,1.181 0.674,1.08 1.0,1.0"/>
+                    </aapt:attr>
+                </objectAnimator>
+
+                <!-- Reset rotation position for fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:startOffset="1300"
+                                android:duration="100"
+                                android:valueFrom="90"
+                                android:valueTo="90"/>
+
+                <!-- Icon rotation with start timing offset after fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:duration="600"
+                                android:valueFrom="90"
+                                android:valueTo="0">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.408,1.181 0.674,1.08 1.0,1.0"/>
+                    </aapt:attr>
+                </objectAnimator>
+
+                <!-- Reset rotation position for fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:startOffset="1300"
+                                android:duration="100"
+                                android:valueFrom="90"
+                                android:valueTo="90"/>
+
+                <!-- Icon rotation with start timing offset after fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:duration="600"
+                                android:valueFrom="90"
+                                android:valueTo="0">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.408,1.181 0.674,1.08 1.0,1.0"/>
+                    </aapt:attr>
+                </objectAnimator>
+
+                <!-- Reset rotation position for fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:startOffset="1300"
+                                android:duration="100"
+                                android:valueFrom="90"
+                                android:valueTo="90"/>
+
+                <!-- Icon rotation with start timing offset after fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:duration="600"
+                                android:valueFrom="90"
+                                android:valueTo="0">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.408,1.181 0.674,1.08 1.0,1.0"/>
+                    </aapt:attr>
+                </objectAnimator>
+            </set>
+        </aapt:attr>
+    </target>
+</animated-vector>
\ No newline at end of file
diff --git a/quickstep/res/drawable/ic_sysbar_rotate_button_cw_start_0.xml b/quickstep/res/drawable/ic_sysbar_rotate_button_cw_start_0.xml
new file mode 100644
index 0000000..a89e7a3
--- /dev/null
+++ b/quickstep/res/drawable/ic_sysbar_rotate_button_cw_start_0.xml
@@ -0,0 +1,187 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2020 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<animated-vector xmlns:android="http://schemas.android.com/apk/res/android" xmlns:aapt="http://schemas.android.com/aapt">
+    <aapt:attr name="android:drawable">
+        <vector android:name="root"
+                android:width="28dp"
+                android:height="28dp"
+                android:viewportWidth="28.0"
+                android:viewportHeight="28.0">
+            <!-- Use scaleX to flip icon so arrows always point in the direction of motion -->
+            <group android:name="icon" android:pivotX="14" android:pivotY="14"
+                   android:scaleX="-1">
+                <!-- Tint color to be set directly -->
+                <path android:fillColor="#FFFFFFFF"
+                      android:pathData="M12.02,10.83L9.25,8.06l2.77,-2.77l1.12,1.12l-0.85,0.86h5.16c0.72,0 1.31,0.56 1.31,1.26v9.16l-1.58,-1.58V8.85h-4.89l0.86,0.86L12.02,10.83zM15.98,17.17l-1.12,1.12l0.85,0.86h-4.88v-7.26L9.25,10.3v9.17c0,0.7 0.59,1.26 1.31,1.26h5.16v0.01l-0.85,0.85l1.12,1.12l2.77,-2.77L15.98,17.17z"/>
+            </group>
+        </vector>
+    </aapt:attr>
+
+    <!-- Repeat all animations 5 times but don't fade out at the end -->
+    <target android:name="root">
+        <aapt:attr name="android:animation">
+            <set android:ordering="sequentially">
+                <!-- Linear fade in-->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:valueFrom="0"
+                                android:valueTo="1"
+                                android:interpolator="@android:anim/linear_interpolator" />
+                <!-- Linear fade out -->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="1700"
+                                android:valueFrom="1"
+                                android:valueTo="0"
+                                android:interpolator="@android:anim/linear_interpolator"/>
+                <!-- Linear fade in-->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="100"
+                                android:valueFrom="0"
+                                android:valueTo="1"
+                                android:interpolator="@android:anim/linear_interpolator" />
+                <!-- Linear fade out -->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="1700"
+                                android:valueFrom="1"
+                                android:valueTo="0"
+                                android:interpolator="@android:anim/linear_interpolator"/>
+                <!-- Linear fade in-->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="100"
+                                android:valueFrom="0"
+                                android:valueTo="1"
+                                android:interpolator="@android:anim/linear_interpolator" />
+                <!-- Linear fade out -->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="1700"
+                                android:valueFrom="1"
+                                android:valueTo="0"
+                                android:interpolator="@android:anim/linear_interpolator"/>
+                <!-- Linear fade in-->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="100"
+                                android:valueFrom="0"
+                                android:valueTo="1"
+                                android:interpolator="@android:anim/linear_interpolator" />
+                <!-- Linear fade out -->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="1700"
+                                android:valueFrom="1"
+                                android:valueTo="0"
+                                android:interpolator="@android:anim/linear_interpolator"/>
+                <!-- Linear fade in-->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="100"
+                                android:valueFrom="0"
+                                android:valueTo="1"
+                                android:interpolator="@android:anim/linear_interpolator" />
+            </set>
+        </aapt:attr>
+    </target>
+    <target android:name="icon">
+        <aapt:attr name="android:animation">
+            <set android:ordering="sequentially">
+                <!-- Icon rotation with start timing offset after fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:startOffset="100"
+                                android:duration="600"
+                                android:valueFrom="0"
+                                android:valueTo="90">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.408,1.181 0.674,1.08 1.0,1.0"/>
+                    </aapt:attr>
+                </objectAnimator>
+
+                <!-- Reset rotation position for fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:startOffset="1300"
+                                android:duration="100"
+                                android:valueFrom="0"
+                                android:valueTo="0"/>
+
+                <!-- Icon rotation with start timing offset after fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:duration="600"
+                                android:valueFrom="0"
+                                android:valueTo="90">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.408,1.181 0.674,1.08 1.0,1.0"/>
+                    </aapt:attr>
+                </objectAnimator>
+
+                <!-- Reset rotation position for fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:startOffset="1300"
+                                android:duration="100"
+                                android:valueFrom="0"
+                                android:valueTo="0"/>
+
+                <!-- Icon rotation with start timing offset after fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:duration="600"
+                                android:valueFrom="0"
+                                android:valueTo="90">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.408,1.181 0.674,1.08 1.0,1.0"/>
+                    </aapt:attr>
+                </objectAnimator>
+
+                <!-- Reset rotation position for fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:startOffset="1300"
+                                android:duration="100"
+                                android:valueFrom="0"
+                                android:valueTo="0"/>
+
+                <!-- Icon rotation with start timing offset after fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:duration="600"
+                                android:valueFrom="0"
+                                android:valueTo="90">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.408,1.181 0.674,1.08 1.0,1.0"/>
+                    </aapt:attr>
+                </objectAnimator>
+
+                <!-- Reset rotation position for fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:startOffset="1300"
+                                android:duration="100"
+                                android:valueFrom="0"
+                                android:valueTo="0"/>
+
+                <!-- Icon rotation with start timing offset after fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:duration="600"
+                                android:valueFrom="0"
+                                android:valueTo="90">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.408,1.181 0.674,1.08 1.0,1.0"/>
+                    </aapt:attr>
+                </objectAnimator>
+            </set>
+        </aapt:attr>
+    </target>
+</animated-vector>
\ No newline at end of file
diff --git a/quickstep/res/drawable/ic_sysbar_rotate_button_cw_start_90.xml b/quickstep/res/drawable/ic_sysbar_rotate_button_cw_start_90.xml
new file mode 100644
index 0000000..0dc67b0
--- /dev/null
+++ b/quickstep/res/drawable/ic_sysbar_rotate_button_cw_start_90.xml
@@ -0,0 +1,187 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2020 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<animated-vector xmlns:android="http://schemas.android.com/apk/res/android" xmlns:aapt="http://schemas.android.com/aapt">
+    <aapt:attr name="android:drawable">
+        <vector android:name="root"
+                android:width="28dp"
+                android:height="28dp"
+                android:viewportWidth="28.0"
+                android:viewportHeight="28.0">
+            <!-- Use scaleX to flip icon so arrows always point in the direction of motion -->
+            <group android:name="icon" android:pivotX="14" android:pivotY="14"
+                   android:scaleX="-1">
+                <!-- Tint color to be set directly -->
+                <path android:fillColor="#FFFFFFFF"
+                      android:pathData="M12.02,10.83L9.25,8.06l2.77,-2.77l1.12,1.12l-0.85,0.86h5.16c0.72,0 1.31,0.56 1.31,1.26v9.16l-1.58,-1.58V8.85h-4.89l0.86,0.86L12.02,10.83zM15.98,17.17l-1.12,1.12l0.85,0.86h-4.88v-7.26L9.25,10.3v9.17c0,0.7 0.59,1.26 1.31,1.26h5.16v0.01l-0.85,0.85l1.12,1.12l2.77,-2.77L15.98,17.17z"/>
+            </group>
+        </vector>
+    </aapt:attr>
+
+    <!-- Repeat all animations 5 times but don't fade out at the end -->
+    <target android:name="root">
+        <aapt:attr name="android:animation">
+            <set android:ordering="sequentially">
+                <!-- Linear fade in-->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:valueFrom="0"
+                                android:valueTo="1"
+                                android:interpolator="@android:anim/linear_interpolator" />
+                <!-- Linear fade out -->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="1700"
+                                android:valueFrom="1"
+                                android:valueTo="0"
+                                android:interpolator="@android:anim/linear_interpolator"/>
+                <!-- Linear fade in-->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="100"
+                                android:valueFrom="0"
+                                android:valueTo="1"
+                                android:interpolator="@android:anim/linear_interpolator" />
+                <!-- Linear fade out -->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="1700"
+                                android:valueFrom="1"
+                                android:valueTo="0"
+                                android:interpolator="@android:anim/linear_interpolator"/>
+                <!-- Linear fade in-->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="100"
+                                android:valueFrom="0"
+                                android:valueTo="1"
+                                android:interpolator="@android:anim/linear_interpolator" />
+                <!-- Linear fade out -->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="1700"
+                                android:valueFrom="1"
+                                android:valueTo="0"
+                                android:interpolator="@android:anim/linear_interpolator"/>
+                <!-- Linear fade in-->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="100"
+                                android:valueFrom="0"
+                                android:valueTo="1"
+                                android:interpolator="@android:anim/linear_interpolator" />
+                <!-- Linear fade out -->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="1700"
+                                android:valueFrom="1"
+                                android:valueTo="0"
+                                android:interpolator="@android:anim/linear_interpolator"/>
+                <!-- Linear fade in-->
+                <objectAnimator android:propertyName="alpha"
+                                android:duration="100"
+                                android:startOffset="100"
+                                android:valueFrom="0"
+                                android:valueTo="1"
+                                android:interpolator="@android:anim/linear_interpolator" />
+            </set>
+        </aapt:attr>
+    </target>
+    <target android:name="icon">
+        <aapt:attr name="android:animation">
+            <set android:ordering="sequentially">
+                <!-- Icon rotation with start timing offset after fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:startOffset="100"
+                                android:duration="600"
+                                android:valueFrom="90"
+                                android:valueTo="180">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.408,1.181 0.674,1.08 1.0,1.0"/>
+                    </aapt:attr>
+                </objectAnimator>
+
+                <!-- Reset rotation position for fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:startOffset="1300"
+                                android:duration="100"
+                                android:valueFrom="90"
+                                android:valueTo="90"/>
+
+                <!-- Icon rotation with start timing offset after fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:duration="600"
+                                android:valueFrom="90"
+                                android:valueTo="180">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.408,1.181 0.674,1.08 1.0,1.0"/>
+                    </aapt:attr>
+                </objectAnimator>
+
+                <!-- Reset rotation position for fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:startOffset="1300"
+                                android:duration="100"
+                                android:valueFrom="90"
+                                android:valueTo="90"/>
+
+                <!-- Icon rotation with start timing offset after fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:duration="600"
+                                android:valueFrom="90"
+                                android:valueTo="180">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.408,1.181 0.674,1.08 1.0,1.0"/>
+                    </aapt:attr>
+                </objectAnimator>
+
+                <!-- Reset rotation position for fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:startOffset="1300"
+                                android:duration="100"
+                                android:valueFrom="90"
+                                android:valueTo="90"/>
+
+                <!-- Icon rotation with start timing offset after fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:duration="600"
+                                android:valueFrom="90"
+                                android:valueTo="180">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.408,1.181 0.674,1.08 1.0,1.0"/>
+                    </aapt:attr>
+                </objectAnimator>
+
+                <!-- Reset rotation position for fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:startOffset="1300"
+                                android:duration="100"
+                                android:valueFrom="90"
+                                android:valueTo="90"/>
+
+                <!-- Icon rotation with start timing offset after fade in -->
+                <objectAnimator android:propertyName="rotation"
+                                android:duration="600"
+                                android:valueFrom="90"
+                                android:valueTo="180">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.408,1.181 0.674,1.08 1.0,1.0"/>
+                    </aapt:attr>
+                </objectAnimator>
+            </set>
+        </aapt:attr>
+    </target>
+</animated-vector>
\ No newline at end of file
diff --git a/quickstep/res/layout/taskbar.xml b/quickstep/res/layout/taskbar.xml
index e680233..d61a895 100644
--- a/quickstep/res/layout/taskbar.xml
+++ b/quickstep/res/layout/taskbar.xml
@@ -13,12 +13,12 @@
      See the License for the specific language governing permissions and
      limitations under the License.
 -->
-
 <com.android.launcher3.taskbar.TaskbarDragLayer
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/taskbar_container"
     android:layout_width="wrap_content"
-    android:layout_height="wrap_content">
+    android:layout_height="wrap_content"
+    android:clipChildren="false">
 
     <com.android.launcher3.taskbar.TaskbarView
         android:id="@+id/taskbar_view"
@@ -26,30 +26,32 @@
         android:layout_height="wrap_content"
         android:gravity="center"
         android:forceHasOverlappingRendering="false"
+        android:layout_gravity="bottom"
+        android:clipChildren="false" />
+
+    <FrameLayout
+        android:id="@+id/navbuttons_view"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
         android:layout_gravity="bottom" >
 
         <LinearLayout
-            android:id="@+id/system_button_layout"
+            android:id="@+id/start_nav_buttons"
             android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
+            android:layout_height="match_parent"
             android:paddingLeft="@dimen/taskbar_nav_buttons_spacing"
             android:paddingRight="@dimen/taskbar_nav_buttons_spacing"
-            android:forceHasOverlappingRendering="false"
-            android:gravity="center" />
+            android:gravity="center_vertical"
+            android:layout_gravity="start"/>
 
-        <LinearLayout
-            android:id="@+id/hotseat_icons_layout"
+        <FrameLayout
+            android:id="@+id/end_nav_buttons"
             android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:forceHasOverlappingRendering="false"
-            android:gravity="center" />
-
-    </com.android.launcher3.taskbar.TaskbarView>
-
-    <com.android.launcher3.taskbar.ImeBarView
-        android:id="@+id/ime_bar_view"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:visibility="gone"/>
+            android:layout_height="match_parent"
+            android:paddingLeft="@dimen/taskbar_nav_buttons_spacing"
+            android:paddingRight="@dimen/taskbar_nav_buttons_spacing"
+            android:gravity="center_vertical"
+            android:layout_gravity="end"/>
+    </FrameLayout>
 
 </com.android.launcher3.taskbar.TaskbarDragLayer>
\ No newline at end of file
diff --git a/quickstep/res/layout/taskbar_nav_button.xml b/quickstep/res/layout/taskbar_nav_button.xml
new file mode 100644
index 0000000..985f928
--- /dev/null
+++ b/quickstep/res/layout/taskbar_nav_button.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ImageView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="@dimen/taskbar_nav_buttons_size"
+    android:layout_height="@dimen/taskbar_nav_buttons_size"
+    android:background="@drawable/taskbar_icon_click_feedback_roundrect"
+    android:scaleType="center"/>
\ No newline at end of file
diff --git a/quickstep/res/values-cs/strings.xml b/quickstep/res/values-cs/strings.xml
index b8d24cf..101f865 100644
--- a/quickstep/res/values-cs/strings.xml
+++ b/quickstep/res/values-cs/strings.xml
@@ -33,14 +33,14 @@
     <string name="all_apps_prediction_tip" msgid="2672336544844936186">"Návrhy aplikací pro vás"</string>
     <string name="hotseat_edu_title_migrate" msgid="306578144424489980">"Nechte si ve spodním řádku na ploše zobrazovat návrhy aplikací"</string>
     <string name="hotseat_edu_title_migrate_landscape" msgid="3633942953997845243">"Nechte si na řádku oblíbených na ploše zobrazovat návrhy aplikací"</string>
-    <string name="hotseat_edu_message_migrate" msgid="8927179260533775320">"Mějte nejpoužívanější aplikace k dispozici přímo na ploše. Návrhy se budou měnit v závislosti na sledech činností. Aplikace ve spodním řádku se přesunou na vaši plochu."</string>
-    <string name="hotseat_edu_message_migrate_landscape" msgid="4248943380443387697">"Mějte nejpoužívanější aplikace k dispozici přímo na ploše. Návrhy se budou měnit v závislosti na sledech činností. Aplikace na řádku oblíbených se přesunou na plochu."</string>
-    <string name="hotseat_edu_message_migrate_alt" msgid="3042360119039646356">"Mějte nejpoužívanější aplikace k dispozici přímo na ploše. Návrhy se budou měnit v závislosti na sledech činností. Aplikace ve spodním řádku se přesunou do nové složky."</string>
+    <string name="hotseat_edu_message_migrate" msgid="8927179260533775320">"Mějte nejpoužívanější aplikace k dispozici přímo na ploše. Návrhy se budou měnit podle vašich zvyklostí. Aplikace ve spodním řádku se přesunou nahoru na vaši plochu."</string>
+    <string name="hotseat_edu_message_migrate_landscape" msgid="4248943380443387697">"Mějte nejpoužívanější aplikace k dispozici přímo na ploše. Návrhy se budou měnit podle vašich zvyklostí. Aplikace na řádku oblíbených se přesunou na plochu."</string>
+    <string name="hotseat_edu_message_migrate_alt" msgid="3042360119039646356">"Mějte nejpoužívanější aplikace k dispozici přímo na ploše. Návrhy se budou měnit podle vašich zvyklostí. Aplikace ve spodním řádku se přesunou do nové složky."</string>
     <string name="hotseat_edu_accept" msgid="1611544083278999837">"Zobrazovat návrhy aplikací"</string>
     <string name="hotseat_edu_dismiss" msgid="2781161822780201689">"Ne, díky"</string>
     <string name="hotseat_prediction_settings" msgid="6246554993566070818">"Nastavení"</string>
     <string name="hotseat_auto_enrolled" msgid="522100018967146807">"Zde se zobrazují nejpoužívanější aplikace (které se mění podle sledů činností)"</string>
-    <string name="hotseat_tip_no_empty_slots" msgid="1325212677738179185">"Chcete-li získat návrhy aplikací, přetáhněte aplikace z dolního řádku"</string>
+    <string name="hotseat_tip_no_empty_slots" msgid="1325212677738179185">"Návrhy aplikací získáte přetažením aplikací z dolního řádku"</string>
     <string name="hotseat_tip_gaps_filled" msgid="3035673010274223538">"Volné místo bylo vyplněno návrhy aplikací"</string>
     <string name="hotsaet_tip_prediction_enabled" msgid="2233554377501347650">"Návrhy aplikací jsou povoleny"</string>
     <string name="hotsaet_tip_prediction_disabled" msgid="1506426298884658491">"Návrhy aplikací jsou zakázány"</string>
diff --git a/quickstep/res/values-de/strings.xml b/quickstep/res/values-de/strings.xml
index 1e0cd3d..17849e0 100644
--- a/quickstep/res/values-de/strings.xml
+++ b/quickstep/res/values-de/strings.xml
@@ -24,7 +24,7 @@
     <string name="recents_empty_message" msgid="7040467240571714191">"Keine kürzlich verwendeten Elemente"</string>
     <string name="accessibility_app_usage_settings" msgid="6312864233673544149">"Einstellungen zur App-Nutzung"</string>
     <string name="recents_clear_all" msgid="5328176793634888831">"Alle Apps schließen"</string>
-    <string name="accessibility_recent_apps" msgid="4058661986695117371">"Zuletzt aktive Apps"</string>
+    <string name="accessibility_recent_apps" msgid="4058661986695117371">"Kürzlich geöffnete Apps"</string>
     <string name="task_contents_description_with_remaining_time" msgid="4479688746574672685">"<xliff:g id="TASK_DESCRIPTION">%1$s</xliff:g>, <xliff:g id="REMAINING_TIME">%2$s</xliff:g>"</string>
     <string name="shorter_duration_less_than_one_minute" msgid="4722015666335015336">"&lt; 1 Min."</string>
     <string name="time_left_for_app" msgid="3111996412933644358">"Heute noch <xliff:g id="TIME">%1$s</xliff:g>"</string>
@@ -42,7 +42,7 @@
     <string name="hotseat_auto_enrolled" msgid="522100018967146807">"Hier erscheinen die meistverwendeten Apps. Die Angaben können sich je nach deiner gewöhnlichen Nutzung ändern"</string>
     <string name="hotseat_tip_no_empty_slots" msgid="1325212677738179185">"Ziehe Apps aus der unteren Reihe heraus, um Vorschläge für Apps zu erhalten"</string>
     <string name="hotseat_tip_gaps_filled" msgid="3035673010274223538">"App-Vorschläge in freiem Bereich hinzugefügt"</string>
-    <string name="hotsaet_tip_prediction_enabled" msgid="2233554377501347650">"Funktion \"App-Vorschläge\" aktiviert"</string>
+    <string name="hotsaet_tip_prediction_enabled" msgid="2233554377501347650">"Funktion „App-Vorschläge“ aktiviert"</string>
     <string name="hotsaet_tip_prediction_disabled" msgid="1506426298884658491">"Funktion \"App-Vorschläge\" deaktiviert"</string>
     <string name="hotseat_prediction_content_description" msgid="4582028296938078419">"Vorgeschlagene App: <xliff:g id="TITLE">%1$s</xliff:g>"</string>
     <string name="back_gesture_feedback_swipe_too_far_from_left_edge" msgid="340972404868601012">"Wische vom äußersten linken Bildschirmrand."</string>
diff --git a/quickstep/res/values-fi/strings.xml b/quickstep/res/values-fi/strings.xml
index 5c19b23..e81906f 100644
--- a/quickstep/res/values-fi/strings.xml
+++ b/quickstep/res/values-fi/strings.xml
@@ -31,16 +31,16 @@
     <string name="title_app_suggestions" msgid="4185902664111965088">"Sovellusehdotukset"</string>
     <string name="all_apps_label" msgid="8542784161730910663">"Kaikki sovellukset"</string>
     <string name="all_apps_prediction_tip" msgid="2672336544844936186">"Sovellusennusteet"</string>
-    <string name="hotseat_edu_title_migrate" msgid="306578144424489980">"Näytä sovellusehdotuksia aloitusnäytön alimmaisella rivillä"</string>
+    <string name="hotseat_edu_title_migrate" msgid="306578144424489980">"Näytä sovellusehdotuksia aloitusnäytön alimmalla rivillä"</string>
     <string name="hotseat_edu_title_migrate_landscape" msgid="3633942953997845243">"Näytä sovellusehdotuksia aloitusnäytön Suosikit-rivillä"</string>
-    <string name="hotseat_edu_message_migrate" msgid="8927179260533775320">"Voit avata käytetyimmät sovellukset kätevästi aloitusnäytöltä. Ehdotukset muuttuvat rutiiniesi perusteella. Alimmaisella rivillä olevat sovellukset siirretään aloitusnäytön yläosaan."</string>
+    <string name="hotseat_edu_message_migrate" msgid="8927179260533775320">"Voit avata käytetyimmät sovellukset kätevästi aloitusnäytöltä. Ehdotukset muuttuvat rutiiniesi perusteella. Alimmalla rivillä olevat sovellukset siirretään aloitusnäytön yläosaan."</string>
     <string name="hotseat_edu_message_migrate_landscape" msgid="4248943380443387697">"Voit avata käytetyimmät sovellukset kätevästi aloitusnäytöltä. Ehdotukset muuttuvat rutiiniesi perusteella. Suosikit-rivillä olevat sovellukset siirretään aloitusnäytölle."</string>
-    <string name="hotseat_edu_message_migrate_alt" msgid="3042360119039646356">"Voit avata käytetyimmät sovellukset kätevästi aloitusnäytöltä. Ehdotukset muuttuvat rutiiniesi perusteella. Alimmaisella rivillä olevat sovellukset siirretään uuteen kansioon."</string>
+    <string name="hotseat_edu_message_migrate_alt" msgid="3042360119039646356">"Voit avata käytetyimmät sovellukset kätevästi aloitusnäytöltä. Ehdotukset muuttuvat rutiiniesi perusteella. Alimmalla rivillä olevat sovellukset siirretään uuteen kansioon."</string>
     <string name="hotseat_edu_accept" msgid="1611544083278999837">"Näytä sovellusehdotuksia"</string>
     <string name="hotseat_edu_dismiss" msgid="2781161822780201689">"Ei kiitos"</string>
     <string name="hotseat_prediction_settings" msgid="6246554993566070818">"Asetukset"</string>
     <string name="hotseat_auto_enrolled" msgid="522100018967146807">"Käytetyimmät sovellukset näkyvät täällä ja muuttuvat rutiiniesi perusteella"</string>
-    <string name="hotseat_tip_no_empty_slots" msgid="1325212677738179185">"Siirrä sovelluksia pois alimmaiselta riviltä, niin voit saada sovellusehdotuksia"</string>
+    <string name="hotseat_tip_no_empty_slots" msgid="1325212677738179185">"Siirrä sovelluksia pois alimmalta riviltä, niin voit saada sovellusehdotuksia"</string>
     <string name="hotseat_tip_gaps_filled" msgid="3035673010274223538">"Sovellusehdotuksia lisätty tyhjään kohtaan"</string>
     <string name="hotsaet_tip_prediction_enabled" msgid="2233554377501347650">"Sovellusehdotukset käytössä"</string>
     <string name="hotsaet_tip_prediction_disabled" msgid="1506426298884658491">"Sovellusehdotukset on poistettu käytöstä"</string>
diff --git a/quickstep/res/values-hr/strings.xml b/quickstep/res/values-hr/strings.xml
index 0e3444a..c3520cb 100644
--- a/quickstep/res/values-hr/strings.xml
+++ b/quickstep/res/values-hr/strings.xml
@@ -28,10 +28,10 @@
     <string name="task_contents_description_with_remaining_time" msgid="4479688746574672685">"<xliff:g id="TASK_DESCRIPTION">%1$s</xliff:g>, <xliff:g id="REMAINING_TIME">%2$s</xliff:g>"</string>
     <string name="shorter_duration_less_than_one_minute" msgid="4722015666335015336">"&lt; 1 min"</string>
     <string name="time_left_for_app" msgid="3111996412933644358">"Još <xliff:g id="TIME">%1$s</xliff:g> danas"</string>
-    <string name="title_app_suggestions" msgid="4185902664111965088">"Predložene aplikacije"</string>
+    <string name="title_app_suggestions" msgid="4185902664111965088">"Prijedlozi aplikacija"</string>
     <string name="all_apps_label" msgid="8542784161730910663">"Sve aplikacije"</string>
     <string name="all_apps_prediction_tip" msgid="2672336544844936186">"Vaše predviđene aplikacije"</string>
-    <string name="hotseat_edu_title_migrate" msgid="306578144424489980">"Prijedloge aplikacija vidjet ćete u donjem retku početnog zaslona"</string>
+    <string name="hotseat_edu_title_migrate" msgid="306578144424489980">"Primajte prijedloge aplikacija u donjem retku početnog zaslona"</string>
     <string name="hotseat_edu_title_migrate_landscape" msgid="3633942953997845243">"Primajte prijedloge aplikacija u retku omiljenih na početnom zaslonu"</string>
     <string name="hotseat_edu_message_migrate" msgid="8927179260533775320">"Lako pristupite najčešće upotrebljavanim aplikacijama s početnog zaslona. Prijedlozi će se mijenjati na temelju vaših rutina. Aplikacije iz donjeg retka pomaknut će se na početni zaslon."</string>
     <string name="hotseat_edu_message_migrate_landscape" msgid="4248943380443387697">"Lako pristupite najčešće upotrebljavanim aplikacijama s početnog zaslona. Prijedlozi će se mijenjati na temelju vaših rutina. Aplikacije koje se nalaze u retku omiljenih pomaknut će se na početni zaslon."</string>
diff --git a/quickstep/res/values-it/strings.xml b/quickstep/res/values-it/strings.xml
index ea7454a..b649266 100644
--- a/quickstep/res/values-it/strings.xml
+++ b/quickstep/res/values-it/strings.xml
@@ -19,7 +19,7 @@
 
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-    <string name="recent_task_option_pin" msgid="7929860679018978258">"Blocca"</string>
+    <string name="recent_task_option_pin" msgid="7929860679018978258">"Blocca su schermo"</string>
     <string name="recent_task_option_freeform" msgid="48863056265284071">"Forma libera"</string>
     <string name="recents_empty_message" msgid="7040467240571714191">"Nessun elemento recente"</string>
     <string name="accessibility_app_usage_settings" msgid="6312864233673544149">"Impostazioni di utilizzo delle app"</string>
diff --git a/quickstep/res/values-iw/strings.xml b/quickstep/res/values-iw/strings.xml
index 5b89d2c..ed69faa 100644
--- a/quickstep/res/values-iw/strings.xml
+++ b/quickstep/res/values-iw/strings.xml
@@ -33,16 +33,16 @@
     <string name="all_apps_prediction_tip" msgid="2672336544844936186">"האפליקציות החזויות שלך"</string>
     <string name="hotseat_edu_title_migrate" msgid="306578144424489980">"קבלת הצעות לאפליקציות בשורה התחתונה של מסך הבית"</string>
     <string name="hotseat_edu_title_migrate_landscape" msgid="3633942953997845243">"קבלת הצעות לאפליקציות בשורת המועדפות של מסך הבית"</string>
-    <string name="hotseat_edu_message_migrate" msgid="8927179260533775320">"גישה נוחה לאפליקציות הכי נפוצות ישירות ממסך הבית. ההצעות ישתנו בהתאם להרגלי השימוש שלך. אפליקציות שמופיעות בשורה התחתונה יעברו למעלה למסך הבית."</string>
+    <string name="hotseat_edu_message_migrate" msgid="8927179260533775320">"גישה נוחה לאפליקציות שנעשה בהן שימוש תכוף – ישירות ממסך הבית. ההצעות ישתנו בהתאם להרגלי השימוש שלך. אפליקציות שמופיעות בשורה התחתונה יעברו למעלה למסך הבית."</string>
     <string name="hotseat_edu_message_migrate_landscape" msgid="4248943380443387697">"גישה נוחה לאפליקציות שהשתמשת בהן הכי הרבה, ישירות ממסך הבית. ההצעות ישתנו בהתאם להרגלי השימוש שלך. אפליקציות בשורת המועדפות יועברו למסך הבית."</string>
-    <string name="hotseat_edu_message_migrate_alt" msgid="3042360119039646356">"גישה נוחה לאפליקציות הכי נפוצות ישירות ממסך הבית. ההצעות ישתנו בהתאם להרגלי השימוש שלך. אפליקציות שמופיעות בשורה התחתונה יעברו למעלה למסך הבית."</string>
+    <string name="hotseat_edu_message_migrate_alt" msgid="3042360119039646356">"גישה נוחה לאפליקציות שנעשה בהן שימוש תכוף – ישירות ממסך הבית. ההצעות ישתנו בהתאם להרגלי השימוש שלך. אפליקציות שמופיעות בשורה התחתונה יעברו לתיקייה חדשה."</string>
     <string name="hotseat_edu_accept" msgid="1611544083278999837">"קבלת הצעות לאפליקציות"</string>
     <string name="hotseat_edu_dismiss" msgid="2781161822780201689">"לא, תודה"</string>
     <string name="hotseat_prediction_settings" msgid="6246554993566070818">"הגדרות"</string>
     <string name="hotseat_auto_enrolled" msgid="522100018967146807">"רוב האפליקציות הכי נפוצות מופיעות כאן ומשתנות בהתאם להרגלי השימוש שלך"</string>
-    <string name="hotseat_tip_no_empty_slots" msgid="1325212677738179185">"יש לגרור אפליקציות מהשורה התחתונה כדי לקבל הצעות לאפליקציות"</string>
+    <string name="hotseat_tip_no_empty_slots" msgid="1325212677738179185">"כדי לקבל הצעות נוספות לאפליקציות, צריך לגרור אפליקציות מהשורה התחתונה"</string>
     <string name="hotseat_tip_gaps_filled" msgid="3035673010274223538">"הצעות לאפליקציות נוספו לאזור ריק"</string>
-    <string name="hotsaet_tip_prediction_enabled" msgid="2233554377501347650">"ההצעות לאפליקציות מופעלות"</string>
+    <string name="hotsaet_tip_prediction_enabled" msgid="2233554377501347650">"התכונה \'הצעות לאפליקציות\' מופעלת"</string>
     <string name="hotsaet_tip_prediction_disabled" msgid="1506426298884658491">"ההצעות לאפליקציות מושבתות"</string>
     <string name="hotseat_prediction_content_description" msgid="4582028296938078419">"האפליקציות החזויות: <xliff:g id="TITLE">%1$s</xliff:g>"</string>
     <string name="back_gesture_feedback_swipe_too_far_from_left_edge" msgid="340972404868601012">"חשוב להקפיד להחליק מהקצה הימני."</string>
diff --git a/quickstep/res/values-ja/strings.xml b/quickstep/res/values-ja/strings.xml
index 0c2a03b..38accd1 100644
--- a/quickstep/res/values-ja/strings.xml
+++ b/quickstep/res/values-ja/strings.xml
@@ -31,9 +31,9 @@
     <string name="title_app_suggestions" msgid="4185902664111965088">"アプリの候補"</string>
     <string name="all_apps_label" msgid="8542784161730910663">"すべてのアプリ"</string>
     <string name="all_apps_prediction_tip" msgid="2672336544844936186">"予測されたアプリ"</string>
-    <string name="hotseat_edu_title_migrate" msgid="306578144424489980">"ホーム画面の一番下の行でアプリの候補を利用できます"</string>
+    <string name="hotseat_edu_title_migrate" msgid="306578144424489980">"ホーム画面の一番下にアプリの候補を表示できます"</string>
     <string name="hotseat_edu_title_migrate_landscape" msgid="3633942953997845243">"ホーム画面のお気に入りの行でアプリの候補を利用できます"</string>
-    <string name="hotseat_edu_message_migrate" msgid="8927179260533775320">"ホーム画面で、使用頻度の高いアプリに簡単にアクセスできるようになります。アプリの候補はルーティンに応じて変わります。一番下の行にあるアプリがホーム画面に移動します。"</string>
+    <string name="hotseat_edu_message_migrate" msgid="8927179260533775320">"ホーム画面で、使用頻度の高いアプリに簡単にアクセスできるようになります。アプリの候補はルーティンに応じて変わります。一番下の行にあるアプリは上に移動します。"</string>
     <string name="hotseat_edu_message_migrate_landscape" msgid="4248943380443387697">"ホーム画面で、使用頻度の高いアプリに簡単にアクセスできるようになります。アプリの候補はルーティンに応じて変わります。お気に入りの行にあるアプリがホーム画面に移動します。"</string>
     <string name="hotseat_edu_message_migrate_alt" msgid="3042360119039646356">"ホーム画面で、使用頻度の高いアプリに簡単にアクセスできるようになります。アプリの候補はルーティンに応じて変わります。一番下の行にあるアプリが新しいフォルダに移動します。"</string>
     <string name="hotseat_edu_accept" msgid="1611544083278999837">"アプリの候補を利用"</string>
@@ -42,7 +42,7 @@
     <string name="hotseat_auto_enrolled" msgid="522100018967146807">"使用頻度の高いアプリがここに表示されます（ルーティンに応じて変わります）"</string>
     <string name="hotseat_tip_no_empty_slots" msgid="1325212677738179185">"一番下の行からアプリをドラッグするとアプリの候補が表示されます"</string>
     <string name="hotseat_tip_gaps_filled" msgid="3035673010274223538">"空いたスペースにアプリの候補が追加されます"</string>
-    <string name="hotsaet_tip_prediction_enabled" msgid="2233554377501347650">"アプリの候補は有効です"</string>
+    <string name="hotsaet_tip_prediction_enabled" msgid="2233554377501347650">"アプリの候補表示が有効です"</string>
     <string name="hotsaet_tip_prediction_disabled" msgid="1506426298884658491">"アプリの候補は無効です"</string>
     <string name="hotseat_prediction_content_description" msgid="4582028296938078419">"予測されたアプリ: <xliff:g id="TITLE">%1$s</xliff:g>"</string>
     <string name="back_gesture_feedback_swipe_too_far_from_left_edge" msgid="340972404868601012">"一番左端からスワイプしてください。"</string>
diff --git a/quickstep/res/values-kk/strings.xml b/quickstep/res/values-kk/strings.xml
index 292f4cb..52d8b91 100644
--- a/quickstep/res/values-kk/strings.xml
+++ b/quickstep/res/values-kk/strings.xml
@@ -29,7 +29,7 @@
     <string name="shorter_duration_less_than_one_minute" msgid="4722015666335015336">"&lt; 1 мин"</string>
     <string name="time_left_for_app" msgid="3111996412933644358">"Бүгін <xliff:g id="TIME">%1$s</xliff:g> қалды"</string>
     <string name="title_app_suggestions" msgid="4185902664111965088">"Ұсынылған қолданбалар"</string>
-    <string name="all_apps_label" msgid="8542784161730910663">"Барлық қолданбалар"</string>
+    <string name="all_apps_label" msgid="8542784161730910663">"Барлық қолданба"</string>
     <string name="all_apps_prediction_tip" msgid="2672336544844936186">"Ұсынылатын қолданбалар"</string>
     <string name="hotseat_edu_title_migrate" msgid="306578144424489980">"Негізгі экранның төменгі жолында қолданбаларды ұсыну"</string>
     <string name="hotseat_edu_title_migrate_landscape" msgid="3633942953997845243">"Ұсынылған қолданбалар негізгі экранда таңдаулылар арасында көрсетілетін болады"</string>
@@ -42,7 +42,7 @@
     <string name="hotseat_auto_enrolled" msgid="522100018967146807">"Жиі пайдаланылатын қолданбалар осы жерде көрсетіледі. Олар күнделікті әрекеттеріңізге сәйкес өзгереді."</string>
     <string name="hotseat_tip_no_empty_slots" msgid="1325212677738179185">"Ұсынылған қолданбаларды көру үшін төменгі қатардан керектерін сүйреп шығарыңыз."</string>
     <string name="hotseat_tip_gaps_filled" msgid="3035673010274223538">"Ұсынылған қолданбалар бос орынға қосылды."</string>
-    <string name="hotsaet_tip_prediction_enabled" msgid="2233554377501347650">"\"Ұсынылған қолданбалар\" функциясы қосулы."</string>
+    <string name="hotsaet_tip_prediction_enabled" msgid="2233554377501347650">"Ұсынылған қолданбалар функциясы қосылды."</string>
     <string name="hotsaet_tip_prediction_disabled" msgid="1506426298884658491">"\"Ұсынылған қолданбалар\" функциясы өшірулі."</string>
     <string name="hotseat_prediction_content_description" msgid="4582028296938078419">"Болжалды қолданба: <xliff:g id="TITLE">%1$s</xliff:g>"</string>
     <string name="back_gesture_feedback_swipe_too_far_from_left_edge" msgid="340972404868601012">"Сол жақтағы ең шеткі нүктеден бастап сырғытыңыз."</string>
diff --git a/quickstep/res/values-kn/strings.xml b/quickstep/res/values-kn/strings.xml
index 437fdba..306f153 100644
--- a/quickstep/res/values-kn/strings.xml
+++ b/quickstep/res/values-kn/strings.xml
@@ -33,9 +33,9 @@
     <string name="all_apps_prediction_tip" msgid="2672336544844936186">"ನಿಮ್ಮ ಮುನ್ಸೂಚಿತ ಆ್ಯಪ್‌ಗಳು"</string>
     <string name="hotseat_edu_title_migrate" msgid="306578144424489980">"ನಿಮ್ಮ ಹೋಮ್ ಸ್ಕ್ರೀನ್‌ನ ಕೆಳಭಾಗದ ಸಾಲಿನಲ್ಲಿ ಆ್ಯಪ್ ಸಲಹೆಗಳನ್ನು ಪಡೆಯಿರಿ"</string>
     <string name="hotseat_edu_title_migrate_landscape" msgid="3633942953997845243">"ನಿಮ್ಮ ಹೋಮ್ ಸ್ಕ್ರೀನ್‌ನ ಮೆಚ್ಚಿನವುಗಳ ಸಾಲಿನಲ್ಲಿ ಆ್ಯಪ್ ಸಲಹೆಗಳನ್ನು ಪಡೆಯಿರಿ"</string>
-    <string name="hotseat_edu_message_migrate" msgid="8927179260533775320">"ಹೋಮ್ ಸ್ಕ್ರೀನ್‌ನಲ್ಲಿಯೇ ನೀವು ಹೆಚ್ಚು ಬಳಸಿದ ಆ್ಯಪ್‌ಗಳನ್ನು ಸುಲಭವಾಗಿ ಪ್ರವೇಶಿಸಿ. ನಿಮ್ಮ ದಿನಚರಿಯನ್ನು ಆಧರಿಸಿ ಸಲಹೆಗಳು ಬದಲಾಗುತ್ತವೆ. ಕೆಳಭಾಗದ ಸಾಲಿನಲ್ಲಿನ ಆ್ಯಪ್‌ಗಳು ನಿಮ್ಮ ಹೋಮ್ ಸ್ಕ್ರೀನ್‌ ಚಲಿಸುತ್ತವೆ."</string>
-    <string name="hotseat_edu_message_migrate_landscape" msgid="4248943380443387697">"ಹೋಮ್ ಸ್ಕ್ರೀನ್‌ನಲ್ಲಿಯೇ ನೀವು ಹೆಚ್ಚು ಬಳಸಿದ ಆ್ಯಪ್‌ಗಳನ್ನು ಸುಲಭವಾಗಿ ಪ್ರವೇಶಿಸಿ. ನಿಮ್ಮ ದಿನಚರಿಯನ್ನು ಆಧರಿಸಿ ಸಲಹೆಗಳು ಬದಲಾಗುತ್ತವೆ. ಮೆಚ್ಚಿನವುಗಳ ಸಾಲಿನಲ್ಲಿನ ಆ್ಯಪ್‌ಗಳು ನಿಮ್ಮ ಹೋಮ್ ಸ್ಕ್ರೀನ್‌ಗೆ ಚಲಿಸುತ್ತವೆ."</string>
-    <string name="hotseat_edu_message_migrate_alt" msgid="3042360119039646356">"ಹೋಮ್ ಸ್ಕ್ರೀನ್‌ನಲ್ಲಿಯೇ ನೀವು ಹೆಚ್ಚು ಬಳಸಿದ ಆ್ಯಪ್‌ಗಳನ್ನು ಸುಲಭವಾಗಿ ಪ್ರವೇಶಿಸಿ. ನಿಮ್ಮ ದಿನಚರಿಯನ್ನು ಆಧರಿಸಿ ಸಲಹೆಗಳು ಬದಲಾಗುತ್ತವೆ. ಕೆಳಭಾಗದ ಸಾಲಿನಲ್ಲಿನ ಆ್ಯಪ್‌ಗಳು ಹೊಸ ಫೋಲ್ಡರ್‌ಗೆ ಚಲಿಸುತ್ತವೆ."</string>
+    <string name="hotseat_edu_message_migrate" msgid="8927179260533775320">"ನೀವು ಹೆಚ್ಚು ಬಳಸಿದ ಆ್ಯಪ್‌ಗಳನ್ನು ಹೋಮ್ ಸ್ಕ್ರೀನ್‌ನಲ್ಲಿಯೇ ಸುಲಭವಾಗಿ ಪ್ರವೇಶಿಸಿ. ನಿಮ್ಮ ದಿನಚರಿಯನ್ನು ಆಧರಿಸಿ ಸಲಹೆಗಳು ಬದಲಾಗುತ್ತವೆ. ಕೆಳಭಾಗದ ಸಾಲಿನಲ್ಲಿನ ಆ್ಯಪ್‌ಗಳು ನಿಮ್ಮ ಹೋಮ್ ಸ್ಕ್ರೀನ್‌ ಚಲಿಸುತ್ತವೆ."</string>
+    <string name="hotseat_edu_message_migrate_landscape" msgid="4248943380443387697">"ನೀವು ಹೆಚ್ಚು ಬಳಸಿದ ಆ್ಯಪ್‌ಗಳನ್ನು ಹೋಮ್ ಸ್ಕ್ರೀನ್‌ನಲ್ಲಿಯೇ ಸುಲಭವಾಗಿ ಪ್ರವೇಶಿಸಿ. ನಿಮ್ಮ ದಿನಚರಿಯನ್ನು ಆಧರಿಸಿ ಸಲಹೆಗಳು ಬದಲಾಗುತ್ತವೆ. ಮೆಚ್ಚಿನವುಗಳ ಸಾಲಿನಲ್ಲಿನ ಆ್ಯಪ್‌ಗಳು ನಿಮ್ಮ ಹೋಮ್ ಸ್ಕ್ರೀನ್‌ಗೆ ಚಲಿಸುತ್ತವೆ."</string>
+    <string name="hotseat_edu_message_migrate_alt" msgid="3042360119039646356">"ನೀವು ಹೆಚ್ಚು ಬಳಸಿದ ಆ್ಯಪ್‌ಗಳನ್ನು ಹೋಮ್ ಸ್ಕ್ರೀನ್‌ನಲ್ಲಿಯೇ ಸುಲಭವಾಗಿ ಪ್ರವೇಶಿಸಿ. ನಿಮ್ಮ ದಿನಚರಿಯನ್ನು ಆಧರಿಸಿ ಸಲಹೆಗಳು ಬದಲಾಗುತ್ತವೆ. ಕೆಳಭಾಗದ ಸಾಲಿನಲ್ಲಿನ ಆ್ಯಪ್‌ಗಳು ಹೊಸ ಫೋಲ್ಡರ್‌ಗೆ ಚಲಿಸುತ್ತವೆ."</string>
     <string name="hotseat_edu_accept" msgid="1611544083278999837">"ಆ್ಯಪ್ ಸಲಹೆಗಳನ್ನು ಪಡೆಯಿರಿ"</string>
     <string name="hotseat_edu_dismiss" msgid="2781161822780201689">"ಬೇಡ"</string>
     <string name="hotseat_prediction_settings" msgid="6246554993566070818">"ಸೆಟ್ಟಿಂಗ್‌ಗಳು"</string>
diff --git a/quickstep/res/values-ko/strings.xml b/quickstep/res/values-ko/strings.xml
index b31dba9..1666a5a 100644
--- a/quickstep/res/values-ko/strings.xml
+++ b/quickstep/res/values-ko/strings.xml
@@ -57,7 +57,7 @@
     <string name="back_left_gesture_intro_title" msgid="5197184481779330065">"왼쪽에서 스와이프하여 뒤로 돌아가세요"</string>
     <string name="back_right_gesture_intro_title" msgid="7431951986971898074">"돌아가려면 오른쪽에서 스와이프하세요"</string>
     <string name="back_left_gesture_intro_subtitle" msgid="7672761376577628602">"마지막 화면으로 돌아가려면 왼쪽 가장자리에서 화면 중앙으로 스와이프하세요"</string>
-    <string name="back_right_gesture_intro_subtitle" msgid="2735828029197816509">"오른쪽 가장자리에서 화면 중앙으로 스와이프해도 마지막 화면으로 돌아갈 수도 있습니다. 지금 동작을 취해 보세요"</string>
+    <string name="back_right_gesture_intro_subtitle" msgid="2735828029197816509">"오른쪽 가장자리에서 화면 중앙으로 스와이프해도 마지막 화면으로 돌아갈 수 있습니다. 지금 동작을 취해 보세요"</string>
     <string name="home_gesture_feedback_swipe_too_far_from_edge" msgid="1446774096007065298">"화면 하단 가장자리에서 위로 스와이프하세요."</string>
     <string name="home_gesture_feedback_overview_detected" msgid="1557523944897393013">"손가락을 떼기 전에 멈추지 않아야 합니다."</string>
     <string name="home_gesture_feedback_wrong_swipe_direction" msgid="6993979358080825438">"위로 똑바르게 스와이프하세요."</string>
@@ -81,7 +81,7 @@
     <string name="allset_title" msgid="5021126669778966707">"설정 완료"</string>
     <string name="allset_hint" msgid="459504134589971527">"위로 스와이프하여 홈으로 이동"</string>
     <string name="allset_description" msgid="6350320429953234580">"휴대전화를 사용할 준비가 되었습니다."</string>
-    <string name="allset_navigation_settings" msgid="417773244979225071"><annotation id="link">"탐색 접근성 설정"</annotation></string>
+    <string name="allset_navigation_settings" msgid="417773244979225071"><annotation id="link">"접근성 탐색 설정"</annotation></string>
     <string name="action_share" msgid="2648470652637092375">"공유"</string>
     <string name="action_screenshot" msgid="8171125848358142917">"스크린샷"</string>
     <string name="blocked_by_policy" msgid="2071401072261365546">"이 작업은 앱 또는 조직에서 허용되지 않습니다."</string>
diff --git a/quickstep/res/values-ky/strings.xml b/quickstep/res/values-ky/strings.xml
index eb19e13..7f67415 100644
--- a/quickstep/res/values-ky/strings.xml
+++ b/quickstep/res/values-ky/strings.xml
@@ -40,7 +40,7 @@
     <string name="hotseat_edu_dismiss" msgid="2781161822780201689">"Жок, рахмат"</string>
     <string name="hotseat_prediction_settings" msgid="6246554993566070818">"Жөндөөлөр"</string>
     <string name="hotseat_auto_enrolled" msgid="522100018967146807">"Көп иштетилген колдонмолор ушул жерде көрүнүп, тартиптин негизинде өзгөрөт"</string>
-    <string name="hotseat_tip_no_empty_slots" msgid="1325212677738179185">"Сунуштарды алып туруу үчүн, ылдый жактагы тилкедеги колдонмолорду сүйрөп келиңиз"</string>
+    <string name="hotseat_tip_no_empty_slots" msgid="1325212677738179185">"Сунуштарды алып туруу үчүн ылдый жактагы тилкедеги колдонмолорду сүйрөп келиңиз"</string>
     <string name="hotseat_tip_gaps_filled" msgid="3035673010274223538">"Сунушталган колдонмолор бош жерге кошулат"</string>
     <string name="hotsaet_tip_prediction_enabled" msgid="2233554377501347650">"Сунушталган колдонмолор функциясы иштетилди"</string>
     <string name="hotsaet_tip_prediction_disabled" msgid="1506426298884658491">"Сунушталган колдонмолор функциясы өчүрүлгөн"</string>
diff --git a/quickstep/res/values-mn/strings.xml b/quickstep/res/values-mn/strings.xml
index 43d9a27..1ef7299 100644
--- a/quickstep/res/values-mn/strings.xml
+++ b/quickstep/res/values-mn/strings.xml
@@ -31,9 +31,9 @@
     <string name="title_app_suggestions" msgid="4185902664111965088">"Санал болгож буй аппууд"</string>
     <string name="all_apps_label" msgid="8542784161730910663">"Бүх апп"</string>
     <string name="all_apps_prediction_tip" msgid="2672336544844936186">"Таны таамагласан аппууд"</string>
-    <string name="hotseat_edu_title_migrate" msgid="306578144424489980">"Үндсэн нүүрнийхээ доод мөрөнд санал болгож буй аппуудыг аваарай"</string>
+    <string name="hotseat_edu_title_migrate" msgid="306578144424489980">"Үндсэн нүүрнийхээ доод мөрд санал болгож буй аппуудыг аваарай"</string>
     <string name="hotseat_edu_title_migrate_landscape" msgid="3633942953997845243">"Үндсэн нүүрний дуртай мөрнөөсөө санал болгож буй аппуудыг аваарай"</string>
-    <string name="hotseat_edu_message_migrate" msgid="8927179260533775320">"Хамгийн их ашигладаг аппууддаа Үндсэн нүүрнээс хялбархан хандаарай. Санал болгож буй аппуудыг таны хэвшлээс хамаарч өөрчилнө. Доод мөрөнд буй аппуудыг таны Үндсэн нүүр лүү дээш зөөнө."</string>
+    <string name="hotseat_edu_message_migrate" msgid="8927179260533775320">"Хамгийн их ашигладаг аппууддаа Үндсэн нүүрнээс хялбархан хандаарай. Санал болгож буй аппуудыг таны хэвшлээс хамаарч өөрчилнө. Доод мөрд буй аппуудыг таны Үндсэн нүүр лүү дээш зөөнө."</string>
     <string name="hotseat_edu_message_migrate_landscape" msgid="4248943380443387697">"Хамгийн их ашигладаг аппууддаа Үндсэн нүүрнээсээ хялбархан хандаарай. Санал болголтыг таны хэвшлээс хамааран өөрчилнө. Дуртай мөрөнд буй аппуудыг таны үндсэн нүүр лүү зөөнө."</string>
     <string name="hotseat_edu_message_migrate_alt" msgid="3042360119039646356">"Хамгийн их ашигладаг аппууддаа Үндсэн нүүрнээс хялбархан хандаарай. Санал болгож буй аппуудыг таны хэвшлээс хамаарч өөрчилнө. Доод мөрөнд буй аппуудыг шинэ фолдер луу зөөнө."</string>
     <string name="hotseat_edu_accept" msgid="1611544083278999837">"Санал болгож буй аппуудыг авах"</string>
diff --git a/quickstep/res/values-ne/strings.xml b/quickstep/res/values-ne/strings.xml
index f1351f1..dea056b 100644
--- a/quickstep/res/values-ne/strings.xml
+++ b/quickstep/res/values-ne/strings.xml
@@ -31,16 +31,16 @@
     <string name="title_app_suggestions" msgid="4185902664111965088">"एपसम्बन्धी सुझावहरू"</string>
     <string name="all_apps_label" msgid="8542784161730910663">"सबै एपहरू"</string>
     <string name="all_apps_prediction_tip" msgid="2672336544844936186">"तपाईंलाई चाहिने एपहरू"</string>
-    <string name="hotseat_edu_title_migrate" msgid="306578144424489980">"तपाईंको गृह स्क्रिनको पुछारको पङ्क्तिमा सिफारिस गरिएका एपहरू प्राप्त गर्नुहोस्"</string>
-    <string name="hotseat_edu_title_migrate_landscape" msgid="3633942953997845243">"आफ्नो होम स्क्रिनको मन पर्ने नामक पङ्क्तिमा सिफारिस गरिएका एपहरू प्राप्त गर्नुहोस्"</string>
-    <string name="hotseat_edu_message_migrate" msgid="8927179260533775320">"गृह स्क्रिनबाटै आफूले सबैभन्दा बढी प्रयोग गर्ने एप सजिलै चलाउनुहोस्। सिफारिस गरिने एपहरूको क्रम तपाईंले एप प्रयोग गर्ने समयतालिकाअनुसार बदलिने छ। फेदको पङ्क्तिमा रहेका एपहरू तपाईंको गृह स्क्रिनको सिरानमा सर्ने छन्।"</string>
+    <string name="hotseat_edu_title_migrate" msgid="306578144424489980">"आफ्नो होम स्क्रिनको पुछारको रोमा एपसम्बन्धी सिफारिस प्राप्त गर्नुहोस्"</string>
+    <string name="hotseat_edu_title_migrate_landscape" msgid="3633942953997845243">"आफ्नो होम स्क्रिनको मन पर्ने नामक पङ्क्तिमा एपसम्बन्धी सिफारिस प्राप्त गर्नुहोस्"</string>
+    <string name="hotseat_edu_message_migrate" msgid="8927179260533775320">"आफूले सबैभन्दा बढी प्रयोग गर्ने एप होम स्क्रिनबाट सजिलै चलाउनुहोस्। सिफारिस गरिने एपहरूको क्रम तपाईंले एप प्रयोग गर्ने समयतालिकाअनुसार बदलिने छ। फेदको रोमा रहेका एपहरू तपाईंको होम स्क्रिनको सिरानमा सर्ने छन्।"</string>
     <string name="hotseat_edu_message_migrate_landscape" msgid="4248943380443387697">"आफूले सबैभन्दा बढी प्रयोग गर्ने एपहरू गृह स्क्रिनबाटै सजिलैसँग खोल्नुहोस्। सिफारिस गरिने एपहरूको क्रम तपाईंको दिनचर्याअनुसार बदलिने छ। मन पर्ने नामक पङ्क्तिमा रहेका एपहरू सारेर होम स्क्रिनमा लगिने छन्।"</string>
     <string name="hotseat_edu_message_migrate_alt" msgid="3042360119039646356">"गृह स्क्रिनबाटै आफूले सबैभन्दा बढी प्रयोग गर्ने एप सजिलै चलाउनुहोस्। सिफारिस गरिने एपहरूको क्रम तपाईंले एप प्रयोग गर्ने समयतालिकाअनुसार बदलिने छ। फेदको पङ्क्तिमा रहेका एपहरू एउटा नयाँ फोल्डरमा सर्ने छन्।"</string>
-    <string name="hotseat_edu_accept" msgid="1611544083278999837">"सिफारिस गरिएका एपहरू प्राप्त गर्नुहोस्"</string>
+    <string name="hotseat_edu_accept" msgid="1611544083278999837">"एपसम्बन्धी सिफारिस प्राप्त गर्नुहोस्"</string>
     <string name="hotseat_edu_dismiss" msgid="2781161822780201689">"पर्दैन धन्यवाद"</string>
     <string name="hotseat_prediction_settings" msgid="6246554993566070818">"सेटिङ"</string>
     <string name="hotseat_auto_enrolled" msgid="522100018967146807">"सबैभन्दा बढी प्रयोग हुने एपहरू यहाँ देखिन्छन् र यी एपहरूको क्रम तपाईंले एप प्रयोग गर्ने समयतालिकाअनुसार बदलिरहन्छ"</string>
-    <string name="hotseat_tip_no_empty_slots" msgid="1325212677738179185">"सिफारिस गरिएका एपहरू प्राप्त गर्न फेदको पङ्क्तिमा रहेका एपहरू ड्र्याग गरी हटाउनुहोस्"</string>
+    <string name="hotseat_tip_no_empty_slots" msgid="1325212677738179185">"एपसम्बन्धी सिफारिस प्राप्त गर्न फेदको रोमा रहेका एपहरू ड्र्याग गरी हटाउनुहोस्"</string>
     <string name="hotseat_tip_gaps_filled" msgid="3035673010274223538">"खाली ठाउँमा सिफारिस गरिएका एपहरू थपिए"</string>
     <string name="hotsaet_tip_prediction_enabled" msgid="2233554377501347650">"सिफारिस गरिएका एपहरू देखाउने सुविधा सक्षम पारिएका छन्"</string>
     <string name="hotsaet_tip_prediction_disabled" msgid="1506426298884658491">"सिफारिस गरिएका एपहरू देखाउने सुविधा असक्षम पारिएको छ"</string>
diff --git a/quickstep/res/values-ru/strings.xml b/quickstep/res/values-ru/strings.xml
index 6d28815..ef05954 100644
--- a/quickstep/res/values-ru/strings.xml
+++ b/quickstep/res/values-ru/strings.xml
@@ -33,14 +33,14 @@
     <string name="all_apps_prediction_tip" msgid="2672336544844936186">"Ваши рекомендуемые приложения"</string>
     <string name="hotseat_edu_title_migrate" msgid="306578144424489980">"Рекомендуемые приложения будут появляться в нижнем ряду на главном экране"</string>
     <string name="hotseat_edu_title_migrate_landscape" msgid="3633942953997845243">"Рекомендуемые приложения будут появляться в разделе избранных на главном экране"</string>
-    <string name="hotseat_edu_message_migrate" msgid="8927179260533775320">"Быстрый доступ к часто используемым приложениям на главном экране. Список меняется с учетом ваших привычек. Приложения из нижнего ряда будут перемещены вверх на главный экран."</string>
+    <string name="hotseat_edu_message_migrate" msgid="8927179260533775320">"Приложения, которыми вы часто пользуетесь, будут доступны прямо на главном экране. Их список может меняться с учетом ваших предпочтений. Приложения из нижнего ряда будут перемещены выше на главном экране."</string>
     <string name="hotseat_edu_message_migrate_landscape" msgid="4248943380443387697">"Включите функцию для быстрого доступа к часто используемым приложениям на главном экране. Список меняется с учетом ваших действий. Приложения из раздела избранных будут перемещены на главный экран."</string>
-    <string name="hotseat_edu_message_migrate_alt" msgid="3042360119039646356">"Быстрый доступ к часто используемым приложениям на главном экране. Список меняется с учетом ваших привычек. Приложения из нижнего ряда будут перемещены в новую папку."</string>
+    <string name="hotseat_edu_message_migrate_alt" msgid="3042360119039646356">"Приложения, которыми вы часто пользуетесь, будут доступны прямо на главном экране. Их список может меняться с учетом ваших предпочтений. Приложения из нижнего ряда будут перемещены в новую папку."</string>
     <string name="hotseat_edu_accept" msgid="1611544083278999837">"Показывать рекомендации"</string>
     <string name="hotseat_edu_dismiss" msgid="2781161822780201689">"Отмена"</string>
     <string name="hotseat_prediction_settings" msgid="6246554993566070818">"Настройки"</string>
     <string name="hotseat_auto_enrolled" msgid="522100018967146807">"Здесь появляются часто используемые приложения. Список меняется с учетом ваших привычек."</string>
-    <string name="hotseat_tip_no_empty_slots" msgid="1325212677738179185">"Перетащите приложения из нижнего ряда, чтобы получить рекомендации"</string>
+    <string name="hotseat_tip_no_empty_slots" msgid="1325212677738179185">"Перетащите приложения из нижнего ряда, чтобы получить рекомендации."</string>
     <string name="hotseat_tip_gaps_filled" msgid="3035673010274223538">"Рекомендуемые приложения будут появляться на свободных местах."</string>
     <string name="hotsaet_tip_prediction_enabled" msgid="2233554377501347650">"Функция \"Рекомендуемые приложения\" включена."</string>
     <string name="hotsaet_tip_prediction_disabled" msgid="1506426298884658491">"Функция \"Рекомендуемые приложения\" отключена."</string>
diff --git a/quickstep/res/values-sl/strings.xml b/quickstep/res/values-sl/strings.xml
index 19982df..ed035aa 100644
--- a/quickstep/res/values-sl/strings.xml
+++ b/quickstep/res/values-sl/strings.xml
@@ -33,17 +33,17 @@
     <string name="all_apps_prediction_tip" msgid="2672336544844936186">"Predvidene aplikacije"</string>
     <string name="hotseat_edu_title_migrate" msgid="306578144424489980">"Oglejte si predlagane aplikacije v spodnji vrstici začetnega zaslona"</string>
     <string name="hotseat_edu_title_migrate_landscape" msgid="3633942953997845243">"Prejemajte predloge aplikacij v vrstici s priljubljenimi na začetnem zaslonu"</string>
-    <string name="hotseat_edu_message_migrate" msgid="8927179260533775320">"Preprosto dostopajte do najpogosteje uporabljenih aplikacij kar na začetnem zaslonu. Predlogi se spreminjajo na podlagi dejanj, ki jih pogosto izvajate. Aplikacije se iz spodnje vrstice premaknejo na začetni zaslon."</string>
+    <string name="hotseat_edu_message_migrate" msgid="8927179260533775320">"Preprosto dostopajte do najpogosteje uporabljenih aplikacij kar na začetnem zaslonu. Predlogi se spreminjajo na podlagi dejanj, ki jih pogosto izvajate. Aplikacije iz spodnje vrstice se premaknejo na začetni zaslon."</string>
     <string name="hotseat_edu_message_migrate_landscape" msgid="4248943380443387697">"Preprosto dostopajte do najpogosteje uporabljenih aplikacij kar na začetnem zaslonu. Predlogi se spreminjajo na podlagi dejanj, ki jih pogosto izvajate. Aplikacije v vrstici s priljubljenimi bodo premaknjene na začetni zaslon."</string>
-    <string name="hotseat_edu_message_migrate_alt" msgid="3042360119039646356">"Preprosto dostopajte do najpogosteje uporabljenih aplikacij kar na začetnem zaslonu. Predlogi se spreminjajo na podlagi dejanj, ki jih pogosto izvajate. Aplikacije se iz spodnje vrstice premaknejo v novo mapo."</string>
+    <string name="hotseat_edu_message_migrate_alt" msgid="3042360119039646356">"Preprosto dostopajte do najpogosteje uporabljenih aplikacij kar na začetnem zaslonu. Predlogi se spreminjajo na podlagi dejanj, ki jih pogosto izvajate. Aplikacije iz spodnje vrstice se premaknejo v novo mapo."</string>
     <string name="hotseat_edu_accept" msgid="1611544083278999837">"Prikaži predlagane aplikacije"</string>
     <string name="hotseat_edu_dismiss" msgid="2781161822780201689">"Ne, hvala"</string>
     <string name="hotseat_prediction_settings" msgid="6246554993566070818">"Nastavitve"</string>
     <string name="hotseat_auto_enrolled" msgid="522100018967146807">"Tukaj so navedene najpogosteje uporabljene aplikacije in spremembe na podlagi rutin"</string>
-    <string name="hotseat_tip_no_empty_slots" msgid="1325212677738179185">"Če si želite ogledati predlagane aplikacije, povlecite aplikacije iz spodnje vrstice"</string>
+    <string name="hotseat_tip_no_empty_slots" msgid="1325212677738179185">"Če si želite ogledati predlagane aplikacije, povlecite aplikacije iz spodnje vrstice."</string>
     <string name="hotseat_tip_gaps_filled" msgid="3035673010274223538">"Predlagane aplikacije so bile dodane v prazni prostor"</string>
-    <string name="hotsaet_tip_prediction_enabled" msgid="2233554377501347650">"Predlogi aplikacij so omogočeni"</string>
-    <string name="hotsaet_tip_prediction_disabled" msgid="1506426298884658491">"Predlogi aplikacij so onemogočeni"</string>
+    <string name="hotsaet_tip_prediction_enabled" msgid="2233554377501347650">"Predlogi aplikacij so omogočeni."</string>
+    <string name="hotsaet_tip_prediction_disabled" msgid="1506426298884658491">"Predlogi aplikacij so onemogočeni."</string>
     <string name="hotseat_prediction_content_description" msgid="4582028296938078419">"Predvidena aplikacija: <xliff:g id="TITLE">%1$s</xliff:g>"</string>
     <string name="back_gesture_feedback_swipe_too_far_from_left_edge" msgid="340972404868601012">"Pazite, da ne povlečete s skrajno levega roba."</string>
     <string name="back_gesture_feedback_cancelled_left_edge" msgid="6671316150388702530">"Pazite, da povlečete z levega roba do sredine zaslona in dvignete prst."</string>
diff --git a/quickstep/res/values-sv/strings.xml b/quickstep/res/values-sv/strings.xml
index 4b4407b..1838643 100644
--- a/quickstep/res/values-sv/strings.xml
+++ b/quickstep/res/values-sv/strings.xml
@@ -51,8 +51,7 @@
     <string name="back_gesture_feedback_cancelled_right_edge" msgid="4951916546256902552">"Se till att du sveper från den högra kanten till mitten av skärmen och sedan släpper."</string>
     <string name="back_gesture_feedback_complete_with_back_right_follow_up" msgid="2100639504811809267">"Nu kan du svepa från vänster för att gå tillbaka."</string>
     <string name="back_gesture_feedback_complete_with_overview_follow_up" msgid="9176400654037014471">"Nu kan du svepa från höger för att gå tillbaka. Nu ska du få lära dig hur du byter mellan appar."</string>
-    <!-- no translation found for back_gesture_feedback_complete_without_follow_up (6405649621667113830) -->
-    <skip />
+    <string name="back_gesture_feedback_complete_without_follow_up" msgid="6405649621667113830">"Du är klar med rörelsen för att gå tillbaka."</string>
     <string name="back_gesture_feedback_swipe_in_nav_bar" msgid="1148198467090405643">"Se till att du inte sveper för nära skärmens nederkant."</string>
     <string name="back_gesture_tutorial_confirm_subtitle" msgid="5181305411668713250">"Öppna inställningarna om du vill ändra rörelsens känslighet"</string>
     <string name="back_left_gesture_intro_title" msgid="5197184481779330065">"Återgå genom att svepa från vänster"</string>
@@ -62,19 +61,15 @@
     <string name="home_gesture_feedback_swipe_too_far_from_edge" msgid="1446774096007065298">"Se till att du sveper från nederkanten på skärmen."</string>
     <string name="home_gesture_feedback_overview_detected" msgid="1557523944897393013">"Se till att du sveper i en jämn rörelse innan du släpper."</string>
     <string name="home_gesture_feedback_wrong_swipe_direction" msgid="6993979358080825438">"Se till att du sveper rakt uppåt."</string>
-    <!-- no translation found for home_gesture_feedback_complete_with_follow_up (1427872029729605034) -->
-    <skip />
-    <!-- no translation found for home_gesture_feedback_complete_without_follow_up (8049099486868933882) -->
-    <skip />
+    <string name="home_gesture_feedback_complete_with_follow_up" msgid="1427872029729605034">"Du är klar med rörelsen för att öppna startskärmen. Nu ska du få lära dig hur du går tillbaka."</string>
+    <string name="home_gesture_feedback_complete_without_follow_up" msgid="8049099486868933882">"Du är klar med rörelsen för att öppna startskärmen."</string>
     <string name="home_gesture_intro_title" msgid="836590312858441830">"Svep för att öppna startskärmen"</string>
     <string name="home_gesture_intro_subtitle" msgid="2632238748497975326">"Svep uppåt från skärmens nederkant. Du kan alltid återgå startskärmen med den här rörelsen."</string>
     <string name="overview_gesture_feedback_swipe_too_far_from_edge" msgid="3032757898111577225">"Se till att du sveper från nederkanten på skärmen."</string>
     <string name="overview_gesture_feedback_home_detected" msgid="1411130969354020489">"Testa att trycka längre på fönstret innan du släpper."</string>
     <string name="overview_gesture_feedback_wrong_swipe_direction" msgid="6725820500906747925">"Se till att du sveper rakt uppåt och sedan pausar."</string>
-    <!-- no translation found for overview_gesture_feedback_complete_with_follow_up (3544611727467765026) -->
-    <skip />
-    <!-- no translation found for overview_gesture_feedback_complete_without_follow_up (3199486203448379152) -->
-    <skip />
+    <string name="overview_gesture_feedback_complete_with_follow_up" msgid="3544611727467765026">"Du har lärt dig hur du använder rörelser. Om du vill inaktivera rörelser öppnar du inställningarna."</string>
+    <string name="overview_gesture_feedback_complete_without_follow_up" msgid="3199486203448379152">"Du är klar med rörelsen för att byta mellan appar."</string>
     <string name="overview_gesture_intro_title" msgid="2902054412868489378">"Svep för att byta mellan appar"</string>
     <string name="overview_gesture_intro_subtitle" msgid="1579517193845186042">"Svep uppåt från skärmens nederkant. Håll fingret nedtryckt och släpp sedan."</string>
     <string name="gesture_tutorial_confirm_title" msgid="6201516182040074092">"Klart"</string>
diff --git a/quickstep/res/values-te/strings.xml b/quickstep/res/values-te/strings.xml
index a0351a7..0d18e35 100644
--- a/quickstep/res/values-te/strings.xml
+++ b/quickstep/res/values-te/strings.xml
@@ -31,11 +31,11 @@
     <string name="title_app_suggestions" msgid="4185902664111965088">"యాప్ సలహాలు"</string>
     <string name="all_apps_label" msgid="8542784161730910663">"అన్ని యాప్‌లు"</string>
     <string name="all_apps_prediction_tip" msgid="2672336544844936186">"మీ సూచించబడిన యాప్‌లు"</string>
-    <string name="hotseat_edu_title_migrate" msgid="306578144424489980">"మీ హోమ్ స్క్రీన్‌ దిగువ వరుసలో యాప్ సలహాలను పొందండి"</string>
+    <string name="hotseat_edu_title_migrate" msgid="306578144424489980">"మీ మొదటి స్క్రీన్‌ దిగువ వరుసలో యాప్ సలహాలను పొందండి"</string>
     <string name="hotseat_edu_title_migrate_landscape" msgid="3633942953997845243">"మీ హోమ్ స్క్రీన్‌లోని ఇష్టమైన వాటి వరుసలో యాప్ సూచ‌న‌లు పొందండి"</string>
-    <string name="hotseat_edu_message_migrate" msgid="8927179260533775320">"మీరు ఎక్కువగా ఉపయోగించే యాప్‌లను నేరుగా హోమ్ స్క్రీన్‌లోనే సులభంగా యాక్సెస్ చేయండి. మీ రోజువారీ కార్యకలాపాలను బట్టి సూచనలు మారతాయి. దిగువ వరుసలోని యాప్‌లు మీ హోమ్ స్క్రీన్ పైకి చేరుకుంటాయి."</string>
-    <string name="hotseat_edu_message_migrate_landscape" msgid="4248943380443387697">"మీరు ఎక్కువగా ఉపయోగించే యాప్‌లను నేరుగా హోమ్ స్క్రీన్‌లోనే సులభంగా యాక్సెస్ చేయండి. మీ రోజువారీ కార్యకలాపాలను బట్టి సూచనలు మారతాయి. ఇష్టమైన వాటి వరుసలోని యాప్‌లు మీ హోమ్ స్క్రీన్‌కు చేరుకుంటాయి."</string>
-    <string name="hotseat_edu_message_migrate_alt" msgid="3042360119039646356">"మీరు ఎక్కువగా ఉపయోగించే యాప్‌లను నేరుగా హోమ్ స్క్రీన్‌లోనే సులభంగా యాక్సెస్ చేయండి. మీ రోజువారీ కార్యకలాపాలను బట్టి సూచనలు మారతాయి. దిగువ వరుసలోని యాప్‌లు కొత్త ఫోల్డర్‌కు తరలించబడతాయి."</string>
+    <string name="hotseat_edu_message_migrate" msgid="8927179260533775320">"మీరు ఎక్కువగా ఉపయోగించే యాప్‌లను నేరుగా మొదటి స్క్రీన్‌లోనే సులభంగా యాక్సెస్ చేయండి. మీ రోజువారీ కార్యకలాపాలను బట్టి సూచనలు మారతాయి. దిగువ వరుసలోని యాప్‌లు మీ మొదటి స్క్రీన్ పైకి చేరుకుంటాయి."</string>
+    <string name="hotseat_edu_message_migrate_landscape" msgid="4248943380443387697">"మీరు ఎక్కువగా ఉపయోగించే యాప్‌లను నేరుగా మొదటి స్క్రీన్‌లోనే సులభంగా యాక్సెస్ చేయండి. మీ రోజువారీ కార్యకలాపాలను బట్టి సూచనలు మారతాయి. ఇష్టమైన వాటి వరుసలోని యాప్‌లు మీ మొదటి స్క్రీన్‌కు చేరుకుంటాయి."</string>
+    <string name="hotseat_edu_message_migrate_alt" msgid="3042360119039646356">"మీరు ఎక్కువగా ఉపయోగించే యాప్‌లను నేరుగా మొదటి స్క్రీన్‌లోనే సులభంగా యాక్సెస్ చేయండి. మీ రోజువారీ కార్యకలాపాలను బట్టి సూచనలు మారతాయి. దిగువ వరుసలోని యాప్‌లు కొత్త ఫోల్డర్‌కు తరలించబడతాయి."</string>
     <string name="hotseat_edu_accept" msgid="1611544083278999837">"యాప్ సూచ‌న‌లను పొందండి"</string>
     <string name="hotseat_edu_dismiss" msgid="2781161822780201689">"వద్దు"</string>
     <string name="hotseat_prediction_settings" msgid="6246554993566070818">"సెట్టింగ్‌లు"</string>
diff --git a/quickstep/res/values-th/strings.xml b/quickstep/res/values-th/strings.xml
index a13b43b..1758589 100644
--- a/quickstep/res/values-th/strings.xml
+++ b/quickstep/res/values-th/strings.xml
@@ -42,7 +42,7 @@
     <string name="hotseat_auto_enrolled" msgid="522100018967146807">"แอปที่ใช้มากที่สุดจะปรากฎที่นี่และจะเปลี่ยนไปตามการใช้งานประจำ"</string>
     <string name="hotseat_tip_no_empty_slots" msgid="1325212677738179185">"ลากแอปออกจากแถวล่างเพื่อดูแอปแนะนำ"</string>
     <string name="hotseat_tip_gaps_filled" msgid="3035673010274223538">"เพิ่มคำแนะนำเกี่ยวกับแอปในพื้นที่ว่างแล้ว"</string>
-    <string name="hotsaet_tip_prediction_enabled" msgid="2233554377501347650">"เปิดใช้คำแนะนำเกี่ยวกับแอปแล้ว"</string>
+    <string name="hotsaet_tip_prediction_enabled" msgid="2233554377501347650">"เปิดใช้แอปแนะนำแล้ว"</string>
     <string name="hotsaet_tip_prediction_disabled" msgid="1506426298884658491">"ปิดใช้คำแนะนำเกี่ยวกับแอปอยู่"</string>
     <string name="hotseat_prediction_content_description" msgid="4582028296938078419">"แอปที่คาดว่าจะใช้: <xliff:g id="TITLE">%1$s</xliff:g>"</string>
     <string name="back_gesture_feedback_swipe_too_far_from_left_edge" msgid="340972404868601012">"ตรวจสอบว่าปัดจากขอบด้านซ้ายสุด"</string>
diff --git a/quickstep/res/values-zh-rTW/strings.xml b/quickstep/res/values-zh-rTW/strings.xml
index f3cb458..51bb189 100644
--- a/quickstep/res/values-zh-rTW/strings.xml
+++ b/quickstep/res/values-zh-rTW/strings.xml
@@ -31,16 +31,16 @@
     <string name="title_app_suggestions" msgid="4185902664111965088">"應用程式建議"</string>
     <string name="all_apps_label" msgid="8542784161730910663">"所有應用程式"</string>
     <string name="all_apps_prediction_tip" msgid="2672336544844936186">"系統預測你會使用的應用程式"</string>
-    <string name="hotseat_edu_title_migrate" msgid="306578144424489980">"在主畫面的底部取得應用程式建議"</string>
+    <string name="hotseat_edu_title_migrate" msgid="306578144424489980">"在主畫面底部顯示應用程式建議"</string>
     <string name="hotseat_edu_title_migrate_landscape" msgid="3633942953997845243">"在主畫面的收藏列取得應用程式建議"</string>
-    <string name="hotseat_edu_message_migrate" msgid="8927179260533775320">"在主畫面上輕鬆存取最常使用的應用程式。應用程式建議會依據你的日常使用習慣而有所不同。系統會將底部列出的應用程式上移到主畫面。"</string>
-    <string name="hotseat_edu_message_migrate_landscape" msgid="4248943380443387697">"在主畫面上輕鬆存取最常使用的應用程式。系統會根據你的日常使用習慣提供不同的應用程式建議，並在主畫面顯示收藏列中的應用程式。"</string>
-    <string name="hotseat_edu_message_migrate_alt" msgid="3042360119039646356">"在主畫面上輕鬆存取最常使用的應用程式。應用程式建議會根據日常安排有所不同。系統會將底部列出的應用程式移到新的資料夾。"</string>
+    <string name="hotseat_edu_message_migrate" msgid="8927179260533775320">"你可以輕鬆地在主畫面上找到自己常用的應用程式。應用程式建議會依據你的日常使用習慣而有所不同。系統會將底部列出的應用程式上移到主畫面。"</string>
+    <string name="hotseat_edu_message_migrate_landscape" msgid="4248943380443387697">"你可以輕鬆地在主畫面上找到自己常用的應用程式。系統會根據你的日常使用習慣提供不同的應用程式建議，並在主畫面顯示收藏列中的應用程式。"</string>
+    <string name="hotseat_edu_message_migrate_alt" msgid="3042360119039646356">"你可以輕鬆地在主畫面上找到自己常用的應用程式。應用程式建議會根據日常安排有所不同。系統會將底部列出的應用程式移到新的資料夾。"</string>
     <string name="hotseat_edu_accept" msgid="1611544083278999837">"取得應用程式建議"</string>
     <string name="hotseat_edu_dismiss" msgid="2781161822780201689">"不用了，謝謝"</string>
     <string name="hotseat_prediction_settings" msgid="6246554993566070818">"設定"</string>
     <string name="hotseat_auto_enrolled" msgid="522100018967146807">"最常使用的應用程式會顯示在這裡，顯示的項目會根據日常安排有所不同"</string>
-    <string name="hotseat_tip_no_empty_slots" msgid="1325212677738179185">"將應用程式從底部列向外拖曳，即可取得應用程式建議"</string>
+    <string name="hotseat_tip_no_empty_slots" msgid="1325212677738179185">"將底部列中顯示的應用程式拖曳出來，即可取得應用程式建議"</string>
     <string name="hotseat_tip_gaps_filled" msgid="3035673010274223538">"應用程式建議已新增到空白位置"</string>
     <string name="hotsaet_tip_prediction_enabled" msgid="2233554377501347650">"應用程式建議功能已啟用"</string>
     <string name="hotsaet_tip_prediction_disabled" msgid="1506426298884658491">"應用程式建議功能已停用"</string>
@@ -83,7 +83,7 @@
     <string name="allset_description" msgid="6350320429953234580">"你可以開始使用手機了"</string>
     <string name="allset_navigation_settings" msgid="417773244979225071"><annotation id="link">"無障礙工具的導覽設定"</annotation></string>
     <string name="action_share" msgid="2648470652637092375">"分享"</string>
-    <string name="action_screenshot" msgid="8171125848358142917">"擷取螢幕畫面"</string>
+    <string name="action_screenshot" msgid="8171125848358142917">"螢幕截圖"</string>
     <string name="blocked_by_policy" msgid="2071401072261365546">"這個應用程式或貴機構不允許執行這個動作"</string>
     <string name="skip_tutorial_dialog_title" msgid="2725643161260038458">"要略過手勢操作教學課程嗎？"</string>
     <string name="skip_tutorial_dialog_subtitle" msgid="544063326241955662">"你之後可以在「<xliff:g id="NAME">%1$s</xliff:g>」應用程式找到這些說明"</string>
diff --git a/quickstep/res/values/dimens.xml b/quickstep/res/values/dimens.xml
index 60eeaff..d8899a6 100644
--- a/quickstep/res/values/dimens.xml
+++ b/quickstep/res/values/dimens.xml
@@ -16,7 +16,7 @@
 
 <resources>
     <dimen name="task_thumbnail_icon_size">48dp</dimen>
-    <dimen name="task_thumbnail_icon_size_grid">32dp</dimen>
+    <dimen name="task_thumbnail_icon_size_grid">40dp</dimen>
     <!-- For screens without rounded corners -->
     <dimen name="task_corner_radius_small">2dp</dimen>
     <!-- For Launchers that want to override the default dialog corner radius -->
@@ -37,10 +37,10 @@
     <dimen name="overview_actions_horizontal_margin">16dp</dimen>
 
     <dimen name="overview_grid_top_margin">77dp</dimen>
-    <dimen name="overview_grid_bottom_margin">90dp</dimen>
+    <dimen name="overview_grid_bottom_margin">70dp</dimen>
     <dimen name="overview_grid_side_margin">54dp</dimen>
     <dimen name="overview_grid_row_spacing">42dp</dimen>
-    <dimen name="overview_grid_focus_vertical_margin">90dp</dimen>
+    <dimen name="overview_grid_focus_vertical_margin">40dp</dimen>
     <dimen name="split_placeholder_size">110dp</dimen>
 
     <!-- These speeds are in dp/s -->
@@ -148,11 +148,9 @@
 
     <!-- Taskbar -->
     <dimen name="taskbar_size">60dp</dimen>
-    <dimen name="taskbar_icon_size">44dp</dimen>
     <dimen name="taskbar_icon_touch_size">48dp</dimen>
     <dimen name="taskbar_icon_drag_icon_size">54dp</dimen>
-    <!-- Note that this applies to both sides of all icons, so visible space is double this. -->
-    <dimen name="taskbar_icon_spacing">8dp</dimen>
     <dimen name="taskbar_folder_margin">16dp</dimen>
     <dimen name="taskbar_nav_buttons_spacing">16dp</dimen>
+    <dimen name="taskbar_nav_buttons_size">48dp</dimen>
 </resources>
diff --git a/quickstep/robolectric_tests/src/com/android/launcher3/model/WidgetsPredicationUpdateTaskTest.java b/quickstep/robolectric_tests/src/com/android/launcher3/model/WidgetsPredicationUpdateTaskTest.java
index 7c97b93..5471e49 100644
--- a/quickstep/robolectric_tests/src/com/android/launcher3/model/WidgetsPredicationUpdateTaskTest.java
+++ b/quickstep/robolectric_tests/src/com/android/launcher3/model/WidgetsPredicationUpdateTaskTest.java
@@ -48,6 +48,7 @@
 import com.android.launcher3.shadows.ShadowDeviceFlag;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.IntArray;
+import com.android.launcher3.util.IntSet;
 import com.android.launcher3.util.ItemInfoMatcher;
 import com.android.launcher3.util.LauncherModelHelper;
 import com.android.launcher3.util.ViewOnDrawExecutor;
@@ -239,8 +240,8 @@
         }
 
         @Override
-        public int getPageToBindSynchronously() {
-            return 0;
+        public IntSet getPagesToBindSynchronously() {
+            return IntSet.wrap(0);
         }
 
         @Override
@@ -259,7 +260,7 @@
         public void finishFirstPageBind(ViewOnDrawExecutor executor) { }
 
         @Override
-        public void finishBindingItems(int pageBoundFirst) { }
+        public void finishBindingItems(IntSet pagesBoundFirst) { }
 
         @Override
         public void preAddApps() { }
@@ -287,7 +288,7 @@
         public void bindAllWidgets(List<WidgetsListBaseEntry> widgets) { }
 
         @Override
-        public void onPageBoundSynchronously(int page) { }
+        public void onPagesBoundSynchronously(IntSet pages) { }
 
         @Override
         public void executeOnNextDraw(ViewOnDrawExecutor executor) { }
diff --git a/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java b/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
index 1bf3627..fc1556e 100644
--- a/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
+++ b/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
@@ -56,6 +56,7 @@
 import com.android.launcher3.taskbar.TaskbarStateHandler;
 import com.android.launcher3.uioverrides.RecentsViewStateController;
 import com.android.launcher3.util.ActivityOptionsWrapper;
+import com.android.launcher3.util.IntSet;
 import com.android.launcher3.util.ObjectWrapper;
 import com.android.launcher3.util.UiThreadHelper;
 import com.android.quickstep.RecentsModel;
@@ -351,14 +352,6 @@
     }
 
     @Override
-    public float getNormalTaskbarScale() {
-        if (mTaskbarUIController != null) {
-            return mTaskbarUIController.getTaskbarScaleOnHome();
-        }
-        return super.getNormalTaskbarScale();
-    }
-
-    @Override
     public void onDragLayerHierarchyChanged() {
         onLauncherStateOrFocusChanged();
     }
@@ -412,8 +405,8 @@
     }
 
     @Override
-    public void finishBindingItems(int pageBoundFirst) {
-        super.finishBindingItems(pageBoundFirst);
+    public void finishBindingItems(IntSet pagesBoundFirst) {
+        super.finishBindingItems(pagesBoundFirst);
         // Instantiate and initialize WellbeingModel now that its loading won't interfere with
         // populating workspace.
         // TODO: Find a better place for this
diff --git a/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java b/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
index 65df237..dccc9e1 100644
--- a/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
+++ b/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
@@ -1074,7 +1074,15 @@
     }
 
     private boolean launcherIsATargetWithMode(RemoteAnimationTargetCompat[] targets, int mode) {
-        return taskIsATargetWithMode(targets, mLauncher.getTaskId(), mode);
+        for (RemoteAnimationTargetCompat target : targets) {
+            if (target.mode == mode && target.taskInfo != null
+                    // Compare component name instead of task-id because transitions will promote
+                    // the target up to the root task while getTaskId returns the leaf.
+                    && target.taskInfo.topActivity.equals(mLauncher.getComponentName())) {
+                return true;
+            }
+        }
+        return false;
     }
 
     /**
diff --git a/quickstep/src/com/android/launcher3/WrappedLauncherAnimationRunner.java b/quickstep/src/com/android/launcher3/WrappedLauncherAnimationRunner.java
index e319275..fcf9857 100644
--- a/quickstep/src/com/android/launcher3/WrappedLauncherAnimationRunner.java
+++ b/quickstep/src/com/android/launcher3/WrappedLauncherAnimationRunner.java
@@ -58,6 +58,8 @@
         if (animationRunnerImpl != null) {
             animationRunnerImpl.onCreateAnimation(transit, appTargets, wallpaperTargets,
                     nonAppTargets, result);
+        } else {
+            result.setAnimation(null, null);
         }
     }
 }
diff --git a/quickstep/src/com/android/launcher3/hybridhotseat/HotseatEduDialog.java b/quickstep/src/com/android/launcher3/hybridhotseat/HotseatEduDialog.java
index 14b0c5d..c7c2567 100644
--- a/quickstep/src/com/android/launcher3/hybridhotseat/HotseatEduDialog.java
+++ b/quickstep/src/com/android/launcher3/hybridhotseat/HotseatEduDialog.java
@@ -85,7 +85,7 @@
         mSampleHotseat = findViewById(R.id.sample_prediction);
 
         DeviceProfile grid = mActivityContext.getDeviceProfile();
-        Rect padding = grid.getHotseatLayoutPadding();
+        Rect padding = grid.getHotseatLayoutPadding(getContext());
 
         mSampleHotseat.getLayoutParams().height = grid.cellHeightPx;
         mSampleHotseat.setGridSize(grid.numShownHotseatIcons, 1);
diff --git a/quickstep/src/com/android/launcher3/taskbar/ButtonProvider.java b/quickstep/src/com/android/launcher3/taskbar/ButtonProvider.java
deleted file mode 100644
index 540f748..0000000
--- a/quickstep/src/com/android/launcher3/taskbar/ButtonProvider.java
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * Copyright 2021 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.launcher3.taskbar;
-
-import static com.android.launcher3.taskbar.TaskbarNavButtonController.BUTTON_BACK;
-import static com.android.launcher3.taskbar.TaskbarNavButtonController.BUTTON_HOME;
-import static com.android.launcher3.taskbar.TaskbarNavButtonController.BUTTON_IME_SWITCH;
-import static com.android.launcher3.taskbar.TaskbarNavButtonController.BUTTON_RECENTS;
-
-import android.annotation.DrawableRes;
-import android.view.View;
-import android.widget.ImageView;
-
-import com.android.launcher3.R;
-import com.android.launcher3.taskbar.TaskbarNavButtonController.TaskbarButton;
-
-/**
- * Creates Buttons for Taskbar for 3 button nav.
- * Can add animations and state management for buttons in this class as things progress.
- */
-public class ButtonProvider {
-
-    private final int mMarginLeftRight;
-    private final TaskbarActivityContext mContext;
-
-    public ButtonProvider(TaskbarActivityContext context) {
-        mContext = context;
-        mMarginLeftRight = context.getResources()
-                .getDimensionPixelSize(R.dimen.taskbar_icon_spacing);
-    }
-
-    public View getBack() {
-        // Back button
-        return getButtonForDrawable(R.drawable.ic_sysbar_back, BUTTON_BACK);
-    }
-
-    public View getDown() {
-        // Ime down button
-        return getButtonForDrawable(R.drawable.ic_sysbar_back, BUTTON_BACK);
-    }
-
-    public View getHome() {
-        // Home button
-        return getButtonForDrawable(R.drawable.ic_sysbar_home, BUTTON_HOME);
-    }
-
-    public View getRecents() {
-        // Recents button
-        return getButtonForDrawable(R.drawable.ic_sysbar_recent, BUTTON_RECENTS);
-    }
-
-    public View getImeSwitcher() {
-        // IME Switcher Button
-        return getButtonForDrawable(R.drawable.ic_ime_switcher, BUTTON_IME_SWITCH);
-    }
-
-    private View getButtonForDrawable(@DrawableRes int drawableId, @TaskbarButton int buttonType) {
-        ImageView buttonView = new ImageView(mContext);
-        buttonView.setImageResource(drawableId);
-        buttonView.setBackgroundResource(R.drawable.taskbar_icon_click_feedback_roundrect);
-        buttonView.setPadding(mMarginLeftRight, 0, mMarginLeftRight, 0);
-        buttonView.setOnClickListener(view -> mContext.onNavigationButtonClick(buttonType));
-        return buttonView;
-    }
-
-}
diff --git a/quickstep/src/com/android/launcher3/taskbar/ImeBarView.java b/quickstep/src/com/android/launcher3/taskbar/ImeBarView.java
deleted file mode 100644
index 287caab..0000000
--- a/quickstep/src/com/android/launcher3/taskbar/ImeBarView.java
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * Copyright 2021 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.launcher3.taskbar;
-
-import android.content.Context;
-import android.util.AttributeSet;
-import android.view.View;
-import android.widget.RelativeLayout;
-
-import com.android.launcher3.views.ActivityContext;
-
-public class ImeBarView extends RelativeLayout {
-
-    private ButtonProvider mButtonProvider;
-    private View mImeView;
-
-    public ImeBarView(Context context) {
-        this(context, null);
-    }
-
-    public ImeBarView(Context context, AttributeSet attrs) {
-        this(context, attrs, 0);
-    }
-
-    public ImeBarView(Context context, AttributeSet attrs, int defStyleAttr) {
-        super(context, attrs, defStyleAttr);
-    }
-
-    public void init(ButtonProvider buttonProvider) {
-        mButtonProvider = buttonProvider;
-
-        ActivityContext context = getActivityContext();
-        RelativeLayout.LayoutParams imeParams = new RelativeLayout.LayoutParams(
-                context.getDeviceProfile().iconSizePx,
-                context.getDeviceProfile().iconSizePx
-        );
-        RelativeLayout.LayoutParams downParams = new RelativeLayout.LayoutParams(imeParams);
-
-        imeParams.addRule(ALIGN_PARENT_END);
-        imeParams.setMarginEnd(context.getDeviceProfile().iconSizePx);
-        downParams.setMarginStart(context.getDeviceProfile().iconSizePx);
-        downParams.addRule(ALIGN_PARENT_START);
-
-        // Down Arrow
-        View downView = mButtonProvider.getDown();
-        downView.setLayoutParams(downParams);
-        downView.setRotation(-90);
-        addView(downView);
-
-        // IME switcher button
-        mImeView = mButtonProvider.getImeSwitcher();
-        mImeView.setLayoutParams(imeParams);
-        addView(mImeView);
-    }
-
-    public void setImeSwitcherVisibility(boolean show) {
-        mImeView.setVisibility(show ? VISIBLE : GONE);
-    }
-
-    private <T extends Context & ActivityContext> T getActivityContext() {
-        return ActivityContext.lookupContext(getContext());
-    }
-}
diff --git a/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java b/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
index c2d107c..9a836aa 100644
--- a/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
@@ -15,40 +15,44 @@
  */
 package com.android.launcher3.taskbar;
 
+import static com.android.launcher3.anim.Interpolators.LINEAR;
+import static com.android.launcher3.taskbar.TaskbarViewController.ALPHA_INDEX_HOME;
+import static com.android.launcher3.taskbar.TaskbarViewController.ALPHA_INDEX_LAUNCHER_STATE;
+
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.graphics.Rect;
-import android.graphics.RectF;
 import android.view.MotionEvent;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
 import com.android.launcher3.BaseQuickstepLauncher;
-import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.QuickstepTransitionManager;
 import com.android.launcher3.R;
-import com.android.launcher3.Utilities;
+import com.android.launcher3.anim.AnimatorListeners;
 import com.android.launcher3.anim.PendingAnimation;
-import com.android.launcher3.states.StateAnimationConfig;
+import com.android.launcher3.util.MultiValueAlpha;
+import com.android.launcher3.util.MultiValueAlpha.AlphaProperty;
+import com.android.quickstep.AnimatedFloat;
 
 
 /**
  * A data source which integrates with a Launcher instance
- * TODO: Rename to have Launcher prefix
  */
-
 public class LauncherTaskbarUIController extends TaskbarUIController {
 
     private final BaseQuickstepLauncher mLauncher;
     private final TaskbarStateHandler mTaskbarStateHandler;
-    private final TaskbarAnimationController mTaskbarAnimationController;
     private final TaskbarHotseatController mHotseatController;
 
     private final TaskbarActivityContext mContext;
     final TaskbarDragLayer mTaskbarDragLayer;
     final TaskbarView mTaskbarView;
 
+    private AnimatedFloat mTaskbarBackgroundAlpha;
+    private AlphaProperty mIconAlphaForHome;
     private @Nullable Animator mAnimator;
     private boolean mIsAnimatingToLauncher;
 
@@ -60,19 +64,22 @@
 
         mLauncher = launcher;
         mTaskbarStateHandler = mLauncher.getTaskbarStateHandler();
-        mTaskbarAnimationController = new TaskbarAnimationController(mLauncher,
-                createTaskbarAnimationControllerCallbacks());
         mHotseatController = new TaskbarHotseatController(
                 mLauncher, mTaskbarView::updateHotseatItems);
+
     }
 
     @Override
-    protected void onCreate() {
-        mTaskbarStateHandler.setAnimationController(mTaskbarAnimationController);
-        mTaskbarAnimationController.init();
+    protected void init(TaskbarControllers taskbarControllers) {
+        mTaskbarBackgroundAlpha = taskbarControllers.taskbarDragLayerController
+                .getTaskbarBackgroundAlpha();
+        MultiValueAlpha taskbarIconAlpha = taskbarControllers.taskbarViewController
+                .getTaskbarIconAlpha();
+        mIconAlphaForHome = taskbarIconAlpha.getProperty(ALPHA_INDEX_HOME);
+        mTaskbarStateHandler.setAnimationController(taskbarIconAlpha.getProperty(
+                ALPHA_INDEX_LAUNCHER_STATE));
         mHotseatController.init();
         setTaskbarViewVisible(!mLauncher.hasBeenResumed());
-        alignRealHotseatWithTaskbar();
         mLauncher.setTaskbarUIController(this);
     }
 
@@ -83,7 +90,6 @@
             mAnimator.end();
         }
         mTaskbarStateHandler.setAnimationController(null);
-        mTaskbarAnimationController.cleanup();
         mHotseatController.cleanup();
         setTaskbarViewVisible(true);
         mLauncher.getHotseat().setIconsAlpha(1f);
@@ -95,41 +101,16 @@
         return !mIsAnimatingToLauncher;
     }
 
-    private TaskbarAnimationControllerCallbacks createTaskbarAnimationControllerCallbacks() {
-        return new TaskbarAnimationControllerCallbacks() {
-            @Override
-            public void updateTaskbarBackgroundAlpha(float alpha) {
-                mTaskbarDragLayer.setTaskbarBackgroundAlpha(alpha);
-            }
-
-            @Override
-            public void updateTaskbarVisibilityAlpha(float alpha) {
-                mTaskbarView.setAlpha(alpha);
-            }
-
-            @Override
-            public void updateImeBarVisibilityAlpha(float alpha) {
-                mTaskbarDragLayer.updateImeBarVisibilityAlpha(alpha);
-            }
-
-            @Override
-            public void updateTaskbarScale(float scale) {
-                mTaskbarView.setScaleX(scale);
-                mTaskbarView.setScaleY(scale);
-            }
-
-            @Override
-            public void updateTaskbarTranslationY(float translationY) {
-                if (translationY < 0) {
-                    // Resize to accommodate the max translation we'll reach.
-                    mContext.setTaskbarWindowHeight(mContext.getDeviceProfile().taskbarSize
-                            + mLauncher.getHotseat().getTaskbarOffsetY());
-                } else {
-                    mContext.setTaskbarWindowHeight(mContext.getDeviceProfile().taskbarSize);
-                }
-                mTaskbarView.setTranslationY(translationY);
-            }
-        };
+    @Override
+    protected void updateContentInsets(Rect outContentInsets) {
+        // TaskbarDragLayer provides insets to other apps based on contentInsets. These
+        // insets should stay consistent even if we expand TaskbarDragLayer's bounds, e.g.
+        // to show a floating view like Folder. Thus, we set the contentInsets to be where
+        // mTaskbarView is, since its position never changes and insets rather than overlays.
+        outContentInsets.left = mTaskbarView.getLeft();
+        outContentInsets.top = mTaskbarView.getTop();
+        outContentInsets.right = mTaskbarDragLayer.getWidth() - mTaskbarView.getRight();
+        outContentInsets.bottom = mTaskbarDragLayer.getHeight() - mTaskbarView.getBottom();
     }
 
     /**
@@ -141,7 +122,7 @@
             mAnimator.cancel();
         }
         if (isResumed) {
-            mAnimator = createAnimToLauncher(null, duration);
+            mAnimator = createAnimToLauncher(mLauncher.getStateManager().getState(), duration);
         } else {
             mAnimator = createAnimToApp(duration);
         }
@@ -157,20 +138,19 @@
     /**
      * Create Taskbar animation when going from an app to Launcher.
      * @param toState If known, the state we will end up in when reaching Launcher.
+     * TODO: Move this and createAnimToApp to TaskbarStateHandler using the BACKGROUND state
      */
-    public Animator createAnimToLauncher(@Nullable LauncherState toState, long duration) {
+    public Animator createAnimToLauncher(@NonNull LauncherState toState, long duration) {
         PendingAnimation anim = new PendingAnimation(duration);
-        anim.add(mTaskbarAnimationController.createAnimToBackgroundAlpha(0, duration));
-        if (toState != null) {
-            mTaskbarStateHandler.setStateWithAnimation(toState, new StateAnimationConfig(), anim);
-        }
+        mTaskbarStateHandler.setState(toState, anim);
+
+        anim.setFloat(mTaskbarBackgroundAlpha, AnimatedFloat.VALUE, 0, LINEAR);
+        mTaskbarView.alignIconsWithLauncher(mLauncher.getDeviceProfile(), anim);
 
         anim.addListener(new AnimatorListenerAdapter() {
             @Override
             public void onAnimationStart(Animator animation) {
                 mIsAnimatingToLauncher = true;
-                mTaskbarView.setHolesAllowedInLayout(true);
-                mTaskbarView.updateHotseatItemsVisibility();
             }
 
             @Override
@@ -185,27 +165,17 @@
 
     private Animator createAnimToApp(long duration) {
         PendingAnimation anim = new PendingAnimation(duration);
-        anim.add(mTaskbarAnimationController.createAnimToBackgroundAlpha(1, duration));
+        anim.setFloat(mTaskbarBackgroundAlpha, AnimatedFloat.VALUE, 1, LINEAR);
+        anim.addListener(AnimatorListeners.forEndCallback(mTaskbarView.resetIconPosition(anim)));
         anim.addListener(new AnimatorListenerAdapter() {
             @Override
             public void onAnimationStart(Animator animation) {
-                mTaskbarView.updateHotseatItemsVisibility();
                 setTaskbarViewVisible(true);
             }
-
-            @Override
-            public void onAnimationEnd(Animator animation) {
-                mTaskbarView.setHolesAllowedInLayout(false);
-            }
         });
         return anim.buildAnim();
     }
 
-    @Override
-    protected void onImeVisible(TaskbarDragLayer containerView, boolean isVisible) {
-        mTaskbarAnimationController.animateToVisibilityForIme(isVisible ? 0 : 1);
-    }
-
     /**
      * Should be called when one or more items in the Hotseat have changed.
      */
@@ -222,54 +192,11 @@
     }
 
     public boolean isDraggingItem() {
-        return mTaskbarView.isDraggingItem();
-    }
-
-    /**
-     * Pads the Hotseat to line up exactly with Taskbar's copy of the Hotseat.
-     */
-    @Override
-    public void alignRealHotseatWithTaskbar() {
-        Rect hotseatBounds = new Rect();
-        DeviceProfile grid = mLauncher.getDeviceProfile();
-        int hotseatHeight = grid.workspacePadding.bottom + grid.taskbarSize;
-        int taskbarOffset = mLauncher.getHotseat().getTaskbarOffsetY();
-        int hotseatTopDiff = hotseatHeight - grid.taskbarSize - taskbarOffset;
-        int hotseatBottomDiff = taskbarOffset;
-
-        RectF hotseatBoundsF = mTaskbarView.getHotseatBounds();
-        Utilities.scaleRectFAboutPivot(hotseatBoundsF, getTaskbarScaleOnHome(),
-                mTaskbarView.getPivotX(), mTaskbarView.getPivotY());
-        hotseatBoundsF.round(hotseatBounds);
-        mLauncher.getHotseat().setPadding(hotseatBounds.left,
-                hotseatBounds.top + hotseatTopDiff,
-                mTaskbarView.getWidth() - hotseatBounds.right,
-                mTaskbarView.getHeight() - hotseatBounds.bottom + hotseatBottomDiff);
-    }
-
-    /**
-     * Returns the ratio of the taskbar icon size on home vs in an app.
-     */
-    public float getTaskbarScaleOnHome() {
-        DeviceProfile inAppDp = mContext.getDeviceProfile();
-        DeviceProfile onHomeDp = mLauncher.getDeviceProfile();
-        return (float) onHomeDp.cellWidthPx / inAppDp.cellWidthPx;
+        return mContext.getDragController().isDragging();
     }
 
     void setTaskbarViewVisible(boolean isVisible) {
-        mTaskbarView.setIconsVisibility(isVisible);
+        mIconAlphaForHome.setValue(isVisible ? 1 : 0);
         mLauncher.getHotseat().setIconsAlpha(isVisible ? 0f : 1f);
     }
-
-    /**
-     * Contains methods that TaskbarAnimationController can call to interface with
-     * TaskbarController.
-     */
-    protected interface TaskbarAnimationControllerCallbacks {
-        void updateTaskbarBackgroundAlpha(float alpha);
-        void updateTaskbarVisibilityAlpha(float alpha);
-        void updateImeBarVisibilityAlpha(float alpha);
-        void updateTaskbarScale(float scale);
-        void updateTaskbarTranslationY(float translationY);
-    }
 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java b/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
new file mode 100644
index 0000000..2ae7d10
--- /dev/null
+++ b/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
@@ -0,0 +1,351 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3.taskbar;
+
+import static com.android.launcher3.taskbar.TaskbarNavButtonController.BUTTON_A11Y;
+import static com.android.launcher3.taskbar.TaskbarNavButtonController.BUTTON_A11Y_LONG_CLICK;
+import static com.android.launcher3.taskbar.TaskbarNavButtonController.BUTTON_BACK;
+import static com.android.launcher3.taskbar.TaskbarNavButtonController.BUTTON_HOME;
+import static com.android.launcher3.taskbar.TaskbarNavButtonController.BUTTON_IME_SWITCH;
+import static com.android.launcher3.taskbar.TaskbarNavButtonController.BUTTON_RECENTS;
+import static com.android.launcher3.taskbar.TaskbarViewController.ALPHA_INDEX_IME;
+import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_A11Y_BUTTON_CLICKABLE;
+import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_A11Y_BUTTON_LONG_CLICKABLE;
+import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_IME_SHOWING;
+import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_IME_SWITCHER_SHOWING;
+
+import android.animation.ObjectAnimator;
+import android.annotation.DrawableRes;
+import android.graphics.Rect;
+import android.graphics.Region;
+import android.graphics.Region.Op;
+import android.graphics.drawable.AnimatedVectorDrawable;
+import android.util.Property;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.View.OnHoverListener;
+import android.view.ViewGroup;
+import android.widget.FrameLayout;
+import android.widget.ImageView;
+
+import com.android.launcher3.LauncherAnimUtils;
+import com.android.launcher3.R;
+import com.android.launcher3.Utilities;
+import com.android.launcher3.anim.AlphaUpdateListener;
+import com.android.launcher3.taskbar.TaskbarNavButtonController.TaskbarButton;
+import com.android.launcher3.taskbar.contextual.RotationButton;
+import com.android.launcher3.taskbar.contextual.RotationButtonController;
+import com.android.launcher3.util.MultiValueAlpha;
+import com.android.quickstep.AnimatedFloat;
+
+import java.util.ArrayList;
+import java.util.function.IntPredicate;
+
+/**
+ * Controller for managing nav bar buttons in taskbar
+ */
+public class NavbarButtonsViewController {
+
+    private final Rect mTempRect = new Rect();
+
+    private static final int FLAG_SWITCHER_SUPPORTED = 1 << 0;
+    private static final int FLAG_IME_VISIBLE = 1 << 1;
+    private static final int FLAG_ROTATION_BUTTON_VISIBLE = 1 << 2;
+    private static final int FLAG_A11Y_VISIBLE = 1 << 3;
+
+    private static final int MASK_IME_SWITCHER_VISIBLE = FLAG_SWITCHER_SUPPORTED | FLAG_IME_VISIBLE;
+
+    private View.OnLongClickListener mA11yLongClickListener;
+    private final ArrayList<StatePropertyHolder> mPropertyHolders = new ArrayList<>();
+    private final ArrayList<View> mAllButtons = new ArrayList<>();
+    private int mState;
+
+    private final TaskbarActivityContext mContext;
+    private final FrameLayout mNavButtonsView;
+    private final ViewGroup mStartContainer;
+    private final ViewGroup mEndContainer;
+
+    // Initialized in init.
+    private TaskbarControllers mControllers;
+    private View mA11yButton;
+    private int mSysuiStateFlags;
+
+    public NavbarButtonsViewController(TaskbarActivityContext context, FrameLayout navButtonsView) {
+        mContext = context;
+        mNavButtonsView = navButtonsView;
+        mStartContainer = mNavButtonsView.findViewById(R.id.start_nav_buttons);
+        mEndContainer = mNavButtonsView.findViewById(R.id.end_nav_buttons);
+    }
+
+    /**
+     * Initializes the controller
+     */
+    public void init(TaskbarControllers controllers) {
+        mControllers = controllers;
+        mNavButtonsView.getLayoutParams().height = mContext.getDeviceProfile().taskbarSize;
+
+        mA11yLongClickListener = view -> {
+            mControllers.navButtonController.onButtonClick(BUTTON_A11Y_LONG_CLICK);
+            return true;
+        };
+
+        if (mContext.canShowNavButtons()) {
+            initButtons(mStartContainer, mEndContainer, mControllers.navButtonController);
+
+            // Animate taskbar background when IME shows
+            mPropertyHolders.add(new StatePropertyHolder(
+                    mControllers.taskbarDragLayerController.getNavbarBackgroundAlpha(),
+                    flags -> (flags & FLAG_IME_VISIBLE) == 0,
+                    AnimatedFloat.VALUE, 0, 1));
+            mPropertyHolders.add(new StatePropertyHolder(
+                    mControllers.taskbarViewController.getTaskbarIconAlpha()
+                            .getProperty(ALPHA_INDEX_IME),
+                    flags -> (flags & FLAG_IME_VISIBLE) == 0, MultiValueAlpha.VALUE, 1, 0));
+
+            // Rotation button
+            RotationButton rotationButton = new RotationButtonImpl(addButton(mEndContainer));
+            rotationButton.hide();
+            mControllers.rotationButtonController.setRotationButton(rotationButton);
+        } else {
+            mControllers.rotationButtonController.setRotationButton(new RotationButton() {});
+        }
+
+        applyState();
+        mPropertyHolders.forEach(StatePropertyHolder::endAnimation);
+    }
+
+    private void initButtons(ViewGroup startContainer, ViewGroup endContainer,
+            TaskbarNavButtonController navButtonController) {
+
+        View backButton = addButton(R.drawable.ic_sysbar_back, BUTTON_BACK,
+                startContainer, navButtonController);
+        // Rotate when Ime visible
+        mPropertyHolders.add(new StatePropertyHolder(backButton,
+                flags -> (flags & FLAG_IME_VISIBLE) == 0, View.ROTATION, 0,
+                Utilities.isRtl(mContext.getResources()) ? 90 : -90));
+
+        // home and recents buttons
+        View homeButton = addButton(R.drawable.ic_sysbar_home, BUTTON_HOME, startContainer,
+                navButtonController);
+        mPropertyHolders.add(new StatePropertyHolder(homeButton,
+                flags -> (flags & FLAG_IME_VISIBLE) == 0));
+        View recentsButton = addButton(R.drawable.ic_sysbar_recent, BUTTON_RECENTS,
+                startContainer, navButtonController);
+        mPropertyHolders.add(new StatePropertyHolder(recentsButton,
+                flags -> (flags & FLAG_IME_VISIBLE) == 0));
+
+        // IME switcher
+        View imeSwitcherButton = addButton(R.drawable.ic_ime_switcher, BUTTON_IME_SWITCH,
+                endContainer, navButtonController);
+        mPropertyHolders.add(new StatePropertyHolder(imeSwitcherButton,
+                flags -> ((flags & MASK_IME_SWITCHER_VISIBLE) == MASK_IME_SWITCHER_VISIBLE)
+                        && ((flags & FLAG_ROTATION_BUTTON_VISIBLE) == 0)
+                        && ((flags & FLAG_A11Y_VISIBLE) == 0)));
+
+        // A11y button
+        mA11yButton = addButton(R.drawable.ic_sysbar_accessibility_button, BUTTON_A11Y,
+                endContainer, navButtonController);
+        mPropertyHolders.add(new StatePropertyHolder(mA11yButton,
+                flags -> (flags & FLAG_A11Y_VISIBLE) != 0
+                        && (flags & FLAG_ROTATION_BUTTON_VISIBLE) == 0));
+        mA11yButton.setOnLongClickListener(mA11yLongClickListener);
+    }
+
+    public void updateStateForSysuiFlags(int systemUiStateFlags, boolean forceUpdate) {
+        boolean isImeVisible = (systemUiStateFlags & SYSUI_STATE_IME_SHOWING) != 0;
+        boolean isImeSwitcherShowing = (systemUiStateFlags & SYSUI_STATE_IME_SWITCHER_SHOWING) != 0;
+        boolean a11yVisible = (systemUiStateFlags & SYSUI_STATE_A11Y_BUTTON_CLICKABLE) != 0;
+        boolean a11yLongClickable =
+                (systemUiStateFlags & SYSUI_STATE_A11Y_BUTTON_LONG_CLICKABLE) != 0;
+
+        if (!forceUpdate && systemUiStateFlags == mSysuiStateFlags) {
+            return;
+        }
+        mSysuiStateFlags = systemUiStateFlags;
+
+        updateStateForFlag(FLAG_IME_VISIBLE, isImeVisible);
+        updateStateForFlag(FLAG_SWITCHER_SUPPORTED, isImeSwitcherShowing);
+        updateStateForFlag(FLAG_A11Y_VISIBLE, a11yVisible);
+        mA11yButton.setLongClickable(a11yLongClickable);
+        applyState();
+    }
+
+    /**
+     * Returns true if IME bar is visible
+     */
+    public boolean isImeVisible() {
+        return (mState & FLAG_IME_VISIBLE) != 0;
+    }
+
+    /**
+     * Adds the bounds corresponding to all visible buttons to provided region
+     */
+    public void addVisibleButtonsRegion(TaskbarDragLayer parent, Region outRegion) {
+        int count = mAllButtons.size();
+        for (int i = 0; i < count; i++) {
+            View button = mAllButtons.get(i);
+            if (button.getVisibility() == View.VISIBLE) {
+                parent.getDescendantRectRelativeToSelf(button, mTempRect);
+                outRegion.op(mTempRect, Op.UNION);
+            }
+        }
+    }
+
+    /**
+     * Does not call {@link #applyState()}. Don't forget to!
+     */
+    private void updateStateForFlag(int flag, boolean enabled) {
+        if (enabled) {
+            mState |= flag;
+        } else {
+            mState &= ~flag;
+        }
+    }
+
+    private void applyState() {
+        int count = mPropertyHolders.size();
+        for (int i = 0; i < count; i++) {
+            mPropertyHolders.get(i).setState(mState);
+        }
+    }
+
+    private ImageView addButton(@DrawableRes int drawableId, @TaskbarButton int buttonType,
+            ViewGroup parent, TaskbarNavButtonController navButtonController) {
+        ImageView buttonView = addButton(parent);
+        buttonView.setImageResource(drawableId);
+        buttonView.setOnClickListener(view -> navButtonController.onButtonClick(buttonType));
+        return buttonView;
+    }
+
+    private ImageView addButton(ViewGroup parent) {
+        ImageView buttonView = (ImageView) mContext.getLayoutInflater()
+                .inflate(R.layout.taskbar_nav_button, parent, false);
+        parent.addView(buttonView);
+        mAllButtons.add(buttonView);
+        return buttonView;
+    }
+
+    private class RotationButtonImpl implements RotationButton {
+
+        private final ImageView mButton;
+        private AnimatedVectorDrawable mImageDrawable;
+
+        RotationButtonImpl(ImageView button) {
+            mButton = button;
+        }
+
+        @Override
+        public void setRotationButtonController(RotationButtonController rotationButtonController) {
+            // TODO(b/187754252) UI polish, different icons based on light/dark context, etc
+            mImageDrawable = (AnimatedVectorDrawable) mButton.getContext()
+                    .getDrawable(rotationButtonController.getIconResId());
+            mButton.setImageDrawable(mImageDrawable);
+            mImageDrawable.setCallback(mButton);
+        }
+
+        @Override
+        public View getCurrentView() {
+            return mButton;
+        }
+
+        @Override
+        public void show() {
+            mButton.setVisibility(View.VISIBLE);
+            mState |= FLAG_ROTATION_BUTTON_VISIBLE;
+            applyState();
+        }
+
+        @Override
+        public void hide() {
+            mButton.setVisibility(View.GONE);
+            mState &= ~FLAG_ROTATION_BUTTON_VISIBLE;
+            applyState();
+        }
+
+        @Override
+        public boolean isVisible() {
+            return mButton.getVisibility() == View.VISIBLE;
+        }
+
+        @Override
+        public void updateIcon(int lightIconColor, int darkIconColor) {
+            // TODO(b/187754252): UI Polish
+        }
+
+        @Override
+        public void setOnClickListener(OnClickListener onClickListener) {
+            mButton.setOnClickListener(onClickListener);
+        }
+
+        @Override
+        public void setOnHoverListener(OnHoverListener onHoverListener) {
+            mButton.setOnHoverListener(onHoverListener);
+        }
+
+        @Override
+        public AnimatedVectorDrawable getImageDrawable() {
+            return mImageDrawable;
+        }
+
+        @Override
+        public void setDarkIntensity(float darkIntensity) {
+            // TODO(b/187754252) UI polish
+        }
+
+        @Override
+        public boolean acceptRotationProposal() {
+            return mButton.isAttachedToWindow();
+        }
+    }
+
+    private static class StatePropertyHolder {
+
+        private final float mEnabledValue, mDisabledValue;
+        private final ObjectAnimator mAnimator;
+        private final IntPredicate mEnableCondition;
+
+        private boolean mIsEnabled = true;
+
+        StatePropertyHolder(View view, IntPredicate enableCondition) {
+            this(view, enableCondition, LauncherAnimUtils.VIEW_ALPHA, 1, 0);
+            mAnimator.addListener(new AlphaUpdateListener(view));
+        }
+
+        <T> StatePropertyHolder(T target, IntPredicate enabledCondition,
+                Property<T, Float> property, float enabledValue, float disabledValue) {
+            mEnableCondition = enabledCondition;
+            mEnabledValue = enabledValue;
+            mDisabledValue = disabledValue;
+            mAnimator = ObjectAnimator.ofFloat(target, property, enabledValue, disabledValue);
+        }
+
+        public void setState(int flags) {
+            boolean isEnabled = mEnableCondition.test(flags);
+            if (mIsEnabled != isEnabled) {
+                mIsEnabled = isEnabled;
+                mAnimator.cancel();
+                mAnimator.setFloatValues(mIsEnabled ? mEnabledValue : mDisabledValue);
+                mAnimator.start();
+            }
+        }
+
+        public void endAnimation() {
+            if (mAnimator.isRunning()) {
+                mAnimator.end();
+            }
+        }
+    }
+}
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
index 4ba0ee0..6e47700 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
@@ -28,9 +28,7 @@
 import android.content.Intent;
 import android.content.pm.LauncherApps;
 import android.graphics.PixelFormat;
-import android.graphics.Point;
 import android.graphics.Rect;
-import android.graphics.drawable.Drawable;
 import android.os.Process;
 import android.os.SystemProperties;
 import android.util.Log;
@@ -40,27 +38,20 @@
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.WindowManager;
+import android.widget.FrameLayout;
 import android.widget.Toast;
 
 import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
 
 import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.DeviceProfile;
-import com.android.launcher3.DragSource;
-import com.android.launcher3.DropTarget;
 import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.R;
-import com.android.launcher3.dragndrop.DragController;
-import com.android.launcher3.dragndrop.DragOptions;
-import com.android.launcher3.dragndrop.DragView;
-import com.android.launcher3.dragndrop.DraggableView;
 import com.android.launcher3.folder.Folder;
 import com.android.launcher3.folder.FolderIcon;
 import com.android.launcher3.model.data.FolderInfo;
-import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
-import com.android.launcher3.taskbar.TaskbarNavButtonController.TaskbarButton;
+import com.android.launcher3.taskbar.contextual.RotationButtonController;
 import com.android.launcher3.touch.ItemClickHandler;
 import com.android.launcher3.util.PackageManagerHelper;
 import com.android.launcher3.util.Themes;
@@ -88,45 +79,49 @@
     private final DeviceProfile mDeviceProfile;
     private final LayoutInflater mLayoutInflater;
     private final TaskbarDragLayer mDragLayer;
-    private final TaskbarIconController mIconController;
-    private final MyDragController mDragController;
+    private final TaskbarControllers mControllers;
 
     private final WindowManager mWindowManager;
     private WindowManager.LayoutParams mWindowLayoutParams;
+    private boolean mIsFullscreen;
+    // The size we should return to when we call setTaskbarWindowFullscreen(false)
+    private int mLastRequestedNonFullscreenHeight;
 
     private final SysUINavigationMode.Mode mNavMode;
-    private final TaskbarNavButtonController mNavButtonController;
 
     private final boolean mIsSafeModeEnabled;
 
-    @NonNull
-    private TaskbarUIController mUIController = TaskbarUIController.DEFAULT;
-
-    private final View.OnClickListener mOnTaskbarIconClickListener;
-    private final View.OnLongClickListener mOnTaskbarIconLongClickListener;
-
     public TaskbarActivityContext(Context windowContext, DeviceProfile dp,
             TaskbarNavButtonController buttonController) {
         super(windowContext, Themes.getActivityThemeRes(windowContext));
         mDeviceProfile = dp;
-        mNavButtonController = buttonController;
+
         mNavMode = SysUINavigationMode.getMode(windowContext);
         mIsSafeModeEnabled = TraceHelper.allowIpcs("isSafeMode",
                 () -> getPackageManager().isSafeMode());
 
-        mOnTaskbarIconLongClickListener =
-                new TaskbarDragController(this)::startSystemDragOnLongClick;
-        mOnTaskbarIconClickListener = this::onTaskbarIconClicked;
-
         float taskbarIconSize = getResources().getDimension(R.dimen.taskbar_icon_size);
+        mDeviceProfile.updateIconSize(1, getResources());
         float iconScale = taskbarIconSize / mDeviceProfile.iconSizePx;
         mDeviceProfile.updateIconSize(iconScale, getResources());
 
         mLayoutInflater = LayoutInflater.from(this).cloneInContext(this);
-        mDragLayer = (TaskbarDragLayer) mLayoutInflater
-                .inflate(R.layout.taskbar, null, false);
-        mIconController = new TaskbarIconController(this, mDragLayer);
-        mDragController = new MyDragController(this);
+
+        // Inflate views.
+        mDragLayer = (TaskbarDragLayer) mLayoutInflater.inflate(
+                R.layout.taskbar, null, false);
+        TaskbarView taskbarView = mDragLayer.findViewById(R.id.taskbar_view);
+        FrameLayout navButtonsView = mDragLayer.findViewById(R.id.navbuttons_view);
+
+        // Construct controllers.
+        mControllers = new TaskbarControllers(this,
+                new TaskbarDragController(this),
+                buttonController,
+                new NavbarButtonsViewController(this, navButtonsView),
+                new RotationButtonController(this, R.color.popup_color_primary_light,
+                        R.color.popup_color_primary_light),
+                new TaskbarDragLayerController(this, mDragLayer),
+                new TaskbarViewController(this, taskbarView));
 
         Display display = windowContext.getDisplay();
         Context c = display.getDisplayId() == Display.DEFAULT_DISPLAY
@@ -136,9 +131,10 @@
     }
 
     public void init() {
+        mLastRequestedNonFullscreenHeight = mDeviceProfile.taskbarSize;
         mWindowLayoutParams = new WindowManager.LayoutParams(
                 MATCH_PARENT,
-                mDeviceProfile.taskbarSize,
+                mLastRequestedNonFullscreenHeight,
                 TYPE_APPLICATION_OVERLAY,
                 WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE,
                 PixelFormat.TRANSLUCENT);
@@ -156,19 +152,10 @@
                 new int[] { ITYPE_EXTRA_NAVIGATION_BAR, ITYPE_BOTTOM_TAPPABLE_ELEMENT }
         );
 
-        mIconController.init(mOnTaskbarIconClickListener, mOnTaskbarIconLongClickListener);
-        mWindowManager.addView(mDragLayer, mWindowLayoutParams);
-    }
+        // Initialize controllers after all are constructed.
+        mControllers.init();
 
-    /**
-     * Updates the TaskbarContainer height (pass deviceProfile.taskbarSize to reset).
-     */
-    public void setTaskbarWindowHeight(int height) {
-        if (mWindowLayoutParams.height == height) {
-            return;
-        }
-        mWindowLayoutParams.height = height;
-        mWindowManager.updateViewLayout(mDragLayer, mWindowLayoutParams);
+        mWindowManager.addView(mDragLayer, mWindowLayoutParams);
     }
 
     public boolean canShowNavButtons() {
@@ -192,22 +179,21 @@
 
     @Override
     public Rect getFolderBoundingBox() {
-        return mDragLayer.getFolderBoundingBox();
+        return mControllers.taskbarDragLayerController.getFolderBoundingBox();
     }
 
     @Override
-    public DragController getDragController() {
-        return mDragController;
+    public TaskbarDragController getDragController() {
+        return mControllers.taskbarDragController;
     }
 
     /**
      * Sets a new data-source for this taskbar instance
      */
     public void setUIController(@NonNull TaskbarUIController uiController) {
-        mUIController.onDestroy();
-        mUIController = uiController;
-        mIconController.setUIController(mUIController);
-        mUIController.onCreate();
+        mControllers.uiController.onDestroy();
+        mControllers.uiController = uiController;
+        mControllers.uiController.init(mControllers);
     }
 
     /**
@@ -215,36 +201,62 @@
      */
     public void onDestroy() {
         setUIController(TaskbarUIController.DEFAULT);
-        mIconController.onDestroy();
+        mControllers.onDestroy();
         mWindowManager.removeViewImmediate(mDragLayer);
     }
 
-    void onNavigationButtonClick(@TaskbarButton int buttonType) {
-        mNavButtonController.onButtonClick(buttonType);
+    public void updateSysuiStateFlags(int systemUiStateFlags, boolean forceUpdate) {
+        if (!canShowNavButtons()) {
+            return;
+        }
+        mControllers.navbarButtonsViewController.updateStateForSysuiFlags(
+                systemUiStateFlags, forceUpdate);
+        mControllers.taskbarViewController.setImeIsVisible(
+                mControllers.navbarButtonsViewController.isImeVisible());
     }
 
-    /**
-     * Should be called when the IME visibility changes, so we can hide/show Taskbar accordingly.
-     */
-    public void setImeIsVisible(boolean isImeVisible) {
-        mIconController.setImeIsVisible(isImeVisible);
+    public void onRotationProposal(int rotation, boolean isValid) {
+        mControllers.rotationButtonController.onRotationProposal(rotation, isValid);
     }
 
-    /**
-     * When in 3 button nav, the above doesn't get called since we prevent sysui nav bar from
-     * instantiating at all, which is what's responsible for sending sysui state flags over.
-     *
-     * @param vis IME visibility flag
-     */
-    public void updateImeStatus(int displayId, int vis, boolean showImeSwitcher) {
-        mIconController.updateImeStatus(displayId, vis, showImeSwitcher);
+    public void disable(int displayId, int state1, int state2, boolean animate) {
+        if (displayId != getDisplayId()) {
+            return;
+        }
+        mControllers.rotationButtonController.onDisable2FlagChanged(state2);
+    }
+
+    public void onSystemBarAttributesChanged(int displayId, int behavior) {
+        mControllers.rotationButtonController.onBehaviorChanged(displayId, behavior);
     }
 
     /**
      * Updates the TaskbarContainer to MATCH_PARENT vs original Taskbar size.
      */
-    protected void setTaskbarWindowFullscreen(boolean fullscreen) {
-        setTaskbarWindowHeight(fullscreen ? MATCH_PARENT : getDeviceProfile().taskbarSize);
+    public void setTaskbarWindowFullscreen(boolean fullscreen) {
+        mIsFullscreen = fullscreen;
+        setTaskbarWindowHeight(fullscreen ? MATCH_PARENT : mLastRequestedNonFullscreenHeight);
+    }
+
+    /**
+     * Updates the TaskbarContainer height (pass deviceProfile.taskbarSize to reset).
+     */
+    public void setTaskbarWindowHeight(int height) {
+        if (mWindowLayoutParams.height == height) {
+            return;
+        }
+        if (height != MATCH_PARENT) {
+            mLastRequestedNonFullscreenHeight = height;
+            if (mIsFullscreen) {
+                // We still need to be fullscreen, so defer any change to our height until we call
+                // setTaskbarWindowFullscreen(false). For example, this could happen when dragging
+                // from the gesture region, as the drag will cancel the gesture and reset launcher's
+                // state, which in turn normally would reset the taskbar window height as well.
+                return;
+            }
+        }
+        mWindowLayoutParams.height = height;
+        mWindowManager.updateViewLayout(mDragLayer, mWindowLayoutParams);
     }
 
     protected void onTaskbarIconClicked(View view) {
@@ -262,8 +274,8 @@
                 folder.animateOpen();
 
                 folder.iterateOverItems((itemInfo, itemView) -> {
-                    itemView.setOnClickListener(mOnTaskbarIconClickListener);
-                    itemView.setOnLongClickListener(mOnTaskbarIconLongClickListener);
+                    mControllers.taskbarViewController
+                            .setClickAndLongClickListenersForIcon(itemView);
                     // To play haptic when dragging, like other Taskbar items do.
                     itemView.setHapticFeedbackEnabled(true);
                     return false;
@@ -271,7 +283,9 @@
             });
         } else if (tag instanceof WorkspaceItemInfo) {
             WorkspaceItemInfo info = (WorkspaceItemInfo) tag;
-            if (!(info.isDisabled() && ItemClickHandler.handleDisabledItemClicked(info, this))) {
+            if (info.isDisabled()) {
+                ItemClickHandler.handleDisabledItemClicked(info, this);
+            } else {
                 Intent intent = new Intent(info.getIntent())
                         .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                 try {
@@ -307,27 +321,4 @@
 
         AbstractFloatingView.closeAllOpenViews(this);
     }
-
-    private static class MyDragController extends DragController<TaskbarActivityContext> {
-        MyDragController(TaskbarActivityContext activity) {
-            super(activity);
-        }
-
-        @Override
-        protected DragView startDrag(@Nullable Drawable drawable, @Nullable View view,
-                DraggableView originalView, int dragLayerX, int dragLayerY, DragSource source,
-                ItemInfo dragInfo, Point dragOffset, Rect dragRegion, float initialDragViewScale,
-                float dragViewScaleOnDrop, DragOptions options) {
-            return null;
-        }
-
-        @Override
-        protected void exitDrag() {
-        }
-
-        @Override
-        protected DropTarget getDefaultDropTarget(int[] dropCoordinates) {
-            return null;
-        }
-    }
 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarAnimationController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarAnimationController.java
deleted file mode 100644
index e20ddf8..0000000
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarAnimationController.java
+++ /dev/null
@@ -1,151 +0,0 @@
-/*
- * Copyright (C) 2021 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.launcher3.taskbar;
-
-import static com.android.launcher3.LauncherState.TASKBAR;
-
-import android.animation.Animator;
-
-import com.android.launcher3.BaseQuickstepLauncher;
-import com.android.launcher3.Utilities;
-import com.android.launcher3.taskbar.LauncherTaskbarUIController.TaskbarAnimationControllerCallbacks;
-import com.android.quickstep.AnimatedFloat;
-import com.android.quickstep.SystemUiProxy;
-import com.android.systemui.shared.system.QuickStepContract;
-
-/**
- * Works with TaskbarController to update the TaskbarView's visual properties based on factors such
- * as LauncherState, whether Launcher is in the foreground, etc.
- */
-public class TaskbarAnimationController {
-
-    private static final long IME_VISIBILITY_ALPHA_DURATION = 120;
-
-    private final BaseQuickstepLauncher mLauncher;
-    private final TaskbarAnimationControllerCallbacks mTaskbarCallbacks;
-
-    // Background alpha.
-    private final AnimatedFloat mTaskbarBackgroundAlpha = new AnimatedFloat(
-            this::onTaskbarBackgroundAlphaChanged);
-
-    // Overall visibility.
-    private final AnimatedFloat mTaskbarVisibilityAlphaForLauncherState = new AnimatedFloat(
-            this::updateVisibilityAlpha);
-    private final AnimatedFloat mTaskbarVisibilityAlphaForIme = new AnimatedFloat(
-            this::updateVisibilityAlphaForIme);
-
-    // Scale.
-    private final AnimatedFloat mTaskbarScaleForLauncherState = new AnimatedFloat(
-            this::updateScale);
-
-    // TranslationY.
-    private final AnimatedFloat mTaskbarTranslationYForLauncherState = new AnimatedFloat(
-            this::updateTranslationY);
-
-    public TaskbarAnimationController(BaseQuickstepLauncher launcher,
-            TaskbarAnimationControllerCallbacks taskbarCallbacks) {
-        mLauncher = launcher;
-        mTaskbarCallbacks = taskbarCallbacks;
-    }
-
-    protected void init() {
-        mTaskbarBackgroundAlpha.updateValue(mLauncher.hasBeenResumed() ? 0f : 1f);
-        boolean isVisibleForLauncherState = (mLauncher.getStateManager().getState()
-                .getVisibleElements(mLauncher) & TASKBAR) != 0;
-        mTaskbarVisibilityAlphaForLauncherState.updateValue(isVisibleForLauncherState ? 1f : 0f);
-        boolean isImeVisible = (SystemUiProxy.INSTANCE.get(mLauncher).getLastSystemUiStateFlags()
-                & QuickStepContract.SYSUI_STATE_IME_SHOWING) != 0;
-        mTaskbarVisibilityAlphaForIme.updateValue(isImeVisible ? 0f : 1f);
-
-        onTaskbarBackgroundAlphaChanged();
-        updateVisibilityAlpha();
-    }
-
-    protected void cleanup() {
-        setNavBarButtonAlpha(1f);
-    }
-
-    protected AnimatedFloat getTaskbarVisibilityForLauncherState() {
-        return mTaskbarVisibilityAlphaForLauncherState;
-    }
-
-    protected AnimatedFloat getTaskbarScaleForLauncherState() {
-        return mTaskbarScaleForLauncherState;
-    }
-
-    protected AnimatedFloat getTaskbarTranslationYForLauncherState() {
-        return mTaskbarTranslationYForLauncherState;
-    }
-
-    protected Animator createAnimToBackgroundAlpha(float toAlpha, long duration) {
-        return mTaskbarBackgroundAlpha.animateToValue(mTaskbarBackgroundAlpha.value, toAlpha)
-                .setDuration(duration);
-    }
-
-    protected void animateToVisibilityForIme(float toAlpha) {
-        mTaskbarVisibilityAlphaForIme.animateToValue(mTaskbarVisibilityAlphaForIme.value, toAlpha)
-                .setDuration(IME_VISIBILITY_ALPHA_DURATION).start();
-    }
-
-    private void onTaskbarBackgroundAlphaChanged() {
-        mTaskbarCallbacks.updateTaskbarBackgroundAlpha(mTaskbarBackgroundAlpha.value);
-        updateVisibilityAlpha();
-        updateScale();
-        updateTranslationY();
-    }
-
-    private void updateVisibilityAlpha() {
-        // We use mTaskbarBackgroundAlpha as a proxy for whether Launcher is resumed/paused, the
-        // assumption being that Taskbar should always be visible regardless of the current
-        // LauncherState if Launcher is paused.
-        float alphaDueToIme = mTaskbarVisibilityAlphaForIme.value;
-        float alphaDueToLauncher = Math.max(mTaskbarBackgroundAlpha.value,
-                mTaskbarVisibilityAlphaForLauncherState.value);
-        float taskbarAlpha = alphaDueToLauncher * alphaDueToIme;
-        mTaskbarCallbacks.updateTaskbarVisibilityAlpha(taskbarAlpha);
-
-        // Make the nav bar invisible if taskbar is visible.
-        setNavBarButtonAlpha(1f - taskbarAlpha);
-    }
-
-    private void updateVisibilityAlphaForIme() {
-        updateVisibilityAlpha();
-        float taskbarAlphaDueToIme = mTaskbarVisibilityAlphaForIme.value;
-        mTaskbarCallbacks.updateImeBarVisibilityAlpha(1f - taskbarAlphaDueToIme);
-    }
-
-    private void updateScale() {
-        // We use mTaskbarBackgroundAlpha as a proxy for whether Launcher is resumed/paused, the
-        // assumption being that Taskbar should always be at scale 1f regardless of the current
-        // LauncherState if Launcher is paused.
-        float scale = mTaskbarScaleForLauncherState.value;
-        scale = Utilities.mapRange(mTaskbarBackgroundAlpha.value, scale, 1f);
-        mTaskbarCallbacks.updateTaskbarScale(scale);
-    }
-
-    private void updateTranslationY() {
-        // We use mTaskbarBackgroundAlpha as a proxy for whether Launcher is resumed/paused, the
-        // assumption being that Taskbar should always be at translationY 0f regardless of the
-        // current LauncherState if Launcher is paused.
-        float translationY = mTaskbarTranslationYForLauncherState.value;
-        translationY = Utilities.mapRange(mTaskbarBackgroundAlpha.value, translationY, 0f);
-        mTaskbarCallbacks.updateTaskbarTranslationY(translationY);
-    }
-
-    private void setNavBarButtonAlpha(float navBarAlpha) {
-        SystemUiProxy.INSTANCE.get(mLauncher).setNavBarButtonAlpha(navBarAlpha, false);
-    }
-}
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java
new file mode 100644
index 0000000..7712ffe
--- /dev/null
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3.taskbar;
+
+import androidx.annotation.NonNull;
+
+import com.android.launcher3.taskbar.contextual.RotationButtonController;
+
+/**
+ * Hosts various taskbar controllers to facilitate passing between one another.
+ */
+public class TaskbarControllers {
+
+    public final TaskbarActivityContext taskbarActivityContext;
+    public final TaskbarDragController taskbarDragController;
+    public final TaskbarNavButtonController navButtonController;
+    public final NavbarButtonsViewController navbarButtonsViewController;
+    public final RotationButtonController rotationButtonController;
+    public final TaskbarDragLayerController taskbarDragLayerController;
+    public final TaskbarViewController taskbarViewController;
+
+    /** Do not store this controller, as it may change at runtime. */
+    @NonNull public TaskbarUIController uiController = TaskbarUIController.DEFAULT;
+
+    public TaskbarControllers(TaskbarActivityContext taskbarActivityContext,
+            TaskbarDragController taskbarDragController,
+            TaskbarNavButtonController navButtonController,
+            NavbarButtonsViewController navbarButtonsViewController,
+            RotationButtonController rotationButtonController,
+            TaskbarDragLayerController taskbarDragLayerController,
+            TaskbarViewController taskbarViewController) {
+        this.taskbarActivityContext = taskbarActivityContext;
+        this.taskbarDragController = taskbarDragController;
+        this.navButtonController = navButtonController;
+        this.navbarButtonsViewController = navbarButtonsViewController;
+        this.rotationButtonController = rotationButtonController;
+        this.taskbarDragLayerController = taskbarDragLayerController;
+        this.taskbarViewController = taskbarViewController;
+    }
+
+    /**
+     * Initializes all controllers. Note that controllers can now reference each other through this
+     * TaskbarControllers instance, but should be careful to only access things that were created
+     * in constructors for now, as some controllers may still be waiting for init().
+     */
+    public void init() {
+        navbarButtonsViewController.init(this);
+        if (taskbarActivityContext.canShowNavButtons()) {
+            rotationButtonController.init();
+        }
+        taskbarDragLayerController.init(this);
+        taskbarViewController.init(this);
+    }
+
+    /**
+     * Cleans up all controllers.
+     */
+    public void onDestroy() {
+        uiController.onDestroy();
+        rotationButtonController.onDestroy();
+        taskbarDragLayerController.onDestroy();
+    }
+}
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragController.java
index ee44927..4294eb5 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragController.java
@@ -15,24 +15,37 @@
  */
 package com.android.launcher3.taskbar;
 
-import static android.view.View.INVISIBLE;
-import static android.view.View.VISIBLE;
-
 import android.content.ClipData;
 import android.content.ClipDescription;
-import android.content.Context;
 import android.content.Intent;
 import android.content.pm.LauncherApps;
 import android.content.res.Resources;
 import android.graphics.Canvas;
 import android.graphics.Point;
+import android.graphics.Rect;
+import android.graphics.drawable.Drawable;
 import android.os.UserHandle;
 import android.view.DragEvent;
+import android.view.MotionEvent;
 import android.view.View;
 
+import androidx.annotation.Nullable;
+
+import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.BubbleTextView;
+import com.android.launcher3.DragSource;
+import com.android.launcher3.DropTarget;
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.R;
+import com.android.launcher3.accessibility.DragViewStateAnnouncer;
+import com.android.launcher3.dragndrop.DragController;
+import com.android.launcher3.dragndrop.DragDriver;
+import com.android.launcher3.dragndrop.DragOptions;
+import com.android.launcher3.dragndrop.DragView;
+import com.android.launcher3.dragndrop.DraggableView;
+import com.android.launcher3.graphics.DragPreviewProvider;
+import com.android.launcher3.icons.FastBitmapDrawable;
+import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.system.ClipDescriptionCompat;
@@ -41,14 +54,20 @@
 /**
  * Handles long click on Taskbar items to start a system drag and drop operation.
  */
-public class TaskbarDragController {
+public class TaskbarDragController extends DragController<TaskbarActivityContext>  {
 
-    private final Context mContext;
     private final int mDragIconSize;
+    private final int[] mTempXY = new int[2];
 
-    public TaskbarDragController(Context context) {
-        mContext = context;
-        Resources resources = mContext.getResources();
+    // Where the initial touch was relative to the dragged icon.
+    private int mRegistrationX;
+    private int mRegistrationY;
+
+    private boolean mIsSystemDragInProgress;
+
+    public TaskbarDragController(TaskbarActivityContext activity) {
+        super(activity);
+        Resources resources = mActivity.getResources();
         mDragIconSize = resources.getDimensionPixelSize(R.dimen.taskbar_icon_drag_icon_size);
     }
 
@@ -57,18 +76,146 @@
      * generate the ClipDescription and Intent.
      * @return Whether {@link View#startDragAndDrop} started successfully.
      */
-    protected boolean startSystemDragOnLongClick(View view) {
+    protected boolean startDragOnLongClick(View view) {
         if (!(view instanceof BubbleTextView)) {
             return false;
         }
 
         BubbleTextView btv = (BubbleTextView) view;
-        View.DragShadowBuilder shadowBuilder = new View.DragShadowBuilder(view) {
+
+        mActivity.setTaskbarWindowFullscreen(true);
+        view.post(() -> {
+            startInternalDrag(btv);
+            btv.setAlpha(0);
+        });
+        return true;
+    }
+
+    private void startInternalDrag(BubbleTextView btv) {
+        float iconScale = 1f;
+        Drawable icon = btv.getIcon();
+        if (icon instanceof FastBitmapDrawable) {
+            iconScale = ((FastBitmapDrawable) icon).getAnimatedScale();
+        }
+
+        // Clear the pressed state if necessary
+        btv.clearFocus();
+        btv.setPressed(false);
+        btv.clearPressedBackground();
+
+        final DragPreviewProvider previewProvider = new DragPreviewProvider(btv);
+        final Drawable drawable = previewProvider.createDrawable();
+        final float scale = previewProvider.getScaleAndPosition(drawable, mTempXY);
+        int dragLayerX = mTempXY[0];
+        int dragLayerY = mTempXY[1];
+
+        Rect dragRect = new Rect();
+        btv.getSourceVisualDragBounds(dragRect);
+        dragLayerY += dragRect.top;
+
+        DragOptions dragOptions = new DragOptions();
+        // TODO: open popup/pre-drag
+        // PopupContainerWithArrow popupContainer = PopupContainerWithArrow.showForIcon(view);
+        // if (popupContainer != null) {
+        //     dragOptions.preDragCondition = popupContainer.createPreDragCondition();
+        // }
+
+        startDrag(
+                drawable,
+                /* view = */ null,
+                /* originalView = */ btv,
+                dragLayerX,
+                dragLayerY,
+                (View target, DropTarget.DragObject d, boolean success) -> {} /* DragSource */,
+                (WorkspaceItemInfo) btv.getTag(),
+                /* dragVisualizeOffset = */ null,
+                dragRect,
+                scale * iconScale,
+                scale,
+                dragOptions);
+    }
+
+    @Override
+    protected DragView startDrag(@Nullable Drawable drawable, @Nullable View view,
+            DraggableView originalView, int dragLayerX, int dragLayerY, DragSource source,
+            ItemInfo dragInfo, Point dragOffset, Rect dragRegion, float initialDragViewScale,
+            float dragViewScaleOnDrop, DragOptions options) {
+        mOptions = options;
+
+        mRegistrationX = mMotionDown.x - dragLayerX;
+        mRegistrationY = mMotionDown.y - dragLayerY;
+
+        final int dragRegionLeft = dragRegion == null ? 0 : dragRegion.left;
+        final int dragRegionTop = dragRegion == null ? 0 : dragRegion.top;
+
+        mLastDropTarget = null;
+
+        mDragObject = new DropTarget.DragObject(mActivity.getApplicationContext());
+        mDragObject.originalView = originalView;
+
+        mIsInPreDrag = mOptions.preDragCondition != null
+                && !mOptions.preDragCondition.shouldStartDrag(0);
+
+        float scalePx = mDragIconSize - dragRegion.width();
+        final DragView dragView = mDragObject.dragView = new TaskbarDragView(
+                mActivity,
+                drawable,
+                mRegistrationX,
+                mRegistrationY,
+                initialDragViewScale,
+                dragViewScaleOnDrop,
+                scalePx);
+        dragView.setItemInfo(dragInfo);
+        mDragObject.dragComplete = false;
+
+        mDragObject.xOffset = mMotionDown.x - (dragLayerX + dragRegionLeft);
+        mDragObject.yOffset = mMotionDown.y - (dragLayerY + dragRegionTop);
+
+        mDragDriver = DragDriver.create(this, mOptions, /* secondaryEventConsumer = */ ev -> {});
+        if (!mOptions.isAccessibleDrag) {
+            mDragObject.stateAnnouncer = DragViewStateAnnouncer.createFor(dragView);
+        }
+
+        mDragObject.dragSource = source;
+        mDragObject.dragInfo = dragInfo;
+        mDragObject.originalDragInfo = mDragObject.dragInfo.makeShallowCopy();
+
+        if (dragRegion != null) {
+            dragView.setDragRegion(new Rect(dragRegion));
+        }
+
+        dragView.show(mLastTouch.x, mLastTouch.y);
+        mDistanceSinceScroll = 0;
+
+        if (!mIsInPreDrag) {
+            callOnDragStart();
+        } else if (mOptions.preDragCondition != null) {
+            mOptions.preDragCondition.onPreDragStart(mDragObject);
+        }
+
+        handleMoveEvent(mLastTouch.x, mLastTouch.y);
+
+        return dragView;
+    }
+
+    @Override
+    protected void callOnDragStart() {
+        super.callOnDragStart();
+        // Pre-drag has ended, start the global system drag.
+        AbstractFloatingView.closeAllOpenViews(mActivity);
+        startSystemDrag((BubbleTextView) mDragObject.originalView);
+    }
+
+    private void startSystemDrag(BubbleTextView btv) {
+        View.DragShadowBuilder shadowBuilder = new View.DragShadowBuilder(btv) {
+
             @Override
             public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) {
                 shadowSize.set(mDragIconSize, mDragIconSize);
-                // TODO: should be based on last touch point on the icon.
-                shadowTouchPoint.set(shadowSize.x / 2, shadowSize.y / 2);
+                // The registration point was taken before the icon scaled to mDragIconSize, so
+                // offset the registration to where the touch is on the new size.
+                int offset = (mDragIconSize - btv.getIconSize()) / 2;
+                shadowTouchPoint.set(mRegistrationX + offset, mRegistrationY + offset);
             }
 
             @Override
@@ -81,12 +228,12 @@
             }
         };
 
-        Object tag = view.getTag();
+        Object tag = btv.getTag();
         ClipDescription clipDescription = null;
         Intent intent = null;
         if (tag instanceof WorkspaceItemInfo) {
             WorkspaceItemInfo item = (WorkspaceItemInfo) tag;
-            LauncherApps launcherApps = mContext.getSystemService(LauncherApps.class);
+            LauncherApps launcherApps = mActivity.getSystemService(LauncherApps.class);
             clipDescription = new ClipDescription(item.title,
                     new String[] {
                             item.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT
@@ -116,28 +263,82 @@
 
         if (clipDescription != null && intent != null) {
             ClipData clipData = new ClipData(clipDescription, new ClipData.Item(intent));
-            view.setOnDragListener(getDraggedViewDragListener());
-            return view.startDragAndDrop(clipData, shadowBuilder, null /* localState */,
-                    View.DRAG_FLAG_GLOBAL | View.DRAG_FLAG_OPAQUE);
+            if (btv.startDragAndDrop(clipData, shadowBuilder, null /* localState */,
+                    View.DRAG_FLAG_GLOBAL | View.DRAG_FLAG_OPAQUE)) {
+                onSystemDragStarted();
+            }
         }
-        return false;
     }
 
-    /**
-     * Hide the original Taskbar item while it is being dragged.
-     */
-    private View.OnDragListener getDraggedViewDragListener() {
-        return (view, dragEvent) -> {
+    private void onSystemDragStarted() {
+        mIsSystemDragInProgress = true;
+        mActivity.getDragLayer().setOnDragListener((view, dragEvent) -> {
             switch (dragEvent.getAction()) {
                 case DragEvent.ACTION_DRAG_STARTED:
-                    view.setVisibility(INVISIBLE);
+                    // Return true to tell system we are interested in events, so we get DRAG_ENDED.
                     return true;
                 case DragEvent.ACTION_DRAG_ENDED:
-                    view.setVisibility(VISIBLE);
-                    view.setOnDragListener(null);
+                    mIsSystemDragInProgress = false;
+                    maybeOnDragEnd();
                     return true;
             }
             return false;
-        };
+        });
+    }
+
+    @Override
+    public boolean isDragging() {
+        return super.isDragging() || mIsSystemDragInProgress;
+    }
+
+    private void maybeOnDragEnd() {
+        if (!isDragging()) {
+            ((View) mDragObject.originalView).setAlpha(1);
+        }
+    }
+
+    @Override
+    protected void callOnDragEnd() {
+        super.callOnDragEnd();
+        maybeOnDragEnd();
+    }
+
+    @Override
+    protected float getX(MotionEvent ev) {
+        // We will resize to fill the screen while dragging, so use screen coordinates. This ensures
+        // we start at the correct position even though touch down is on the smaller DragLayer size.
+        return ev.getRawX();
+    }
+
+    @Override
+    protected float getY(MotionEvent ev) {
+        // We will resize to fill the screen while dragging, so use screen coordinates. This ensures
+        // we start at the correct position even though touch down is on the smaller DragLayer size.
+        return ev.getRawY();
+    }
+
+    @Override
+    protected Point getClampedDragLayerPos(float x, float y) {
+        // No need to clamp, as we will take up the entire screen.
+        mTmpPoint.set(Math.round(x), Math.round(y));
+        return mTmpPoint;
+    }
+
+    @Override
+    protected void exitDrag() {
+        if (mDragObject != null) {
+            mActivity.getDragLayer().removeView(mDragObject.dragView);
+        }
+    }
+
+    @Override
+    public void addDropTarget(DropTarget target) {
+        // No-op as Taskbar currently doesn't support any drop targets internally.
+        // Note: if we do add internal DropTargets, we'll still need to ignore Folder.
+    }
+
+    @Override
+    protected DropTarget getDefaultDropTarget(int[] dropCoordinates) {
+        return null;
     }
 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayer.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayer.java
index 45ec911..c684543 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayer.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayer.java
@@ -18,7 +18,6 @@
 import android.content.Context;
 import android.graphics.Canvas;
 import android.graphics.Paint;
-import android.graphics.Rect;
 import android.util.AttributeSet;
 import android.view.View;
 
@@ -37,11 +36,9 @@
  */
 public class TaskbarDragLayer extends BaseDragLayer<TaskbarActivityContext> {
 
-    private final int mFolderMargin;
     private final Paint mTaskbarBackgroundPaint;
 
-    private TaskbarIconController.Callbacks mControllerCallbacks;
-    private TaskbarView mTaskbarView;
+    private TaskbarDragLayerController.TaskbarDragLayerCallbacks mControllerCallbacks;
 
     private final OnComputeInsetsListener mTaskbarInsetsComputer = this::onComputeTaskbarInsets;
 
@@ -61,25 +58,25 @@
     public TaskbarDragLayer(@NonNull Context context, @Nullable AttributeSet attrs,
             int defStyleAttr, int defStyleRes) {
         super(context, attrs, 1 /* alphaChannelCount */);
-        mFolderMargin = getResources().getDimensionPixelSize(R.dimen.taskbar_folder_margin);
         mTaskbarBackgroundPaint = new Paint();
         mTaskbarBackgroundPaint.setColor(getResources().getColor(R.color.taskbar_background));
+        mTaskbarBackgroundPaint.setAlpha(0);
+    }
+
+    public void init(TaskbarDragLayerController.TaskbarDragLayerCallbacks callbacks) {
+        mControllerCallbacks = callbacks;
         recreateControllers();
     }
 
     @Override
     public void recreateControllers() {
-        mControllers = new TouchController[0];
-    }
-
-    public void init(TaskbarIconController.Callbacks callbacks, TaskbarView taskbarView) {
-        mControllerCallbacks = callbacks;
-        mTaskbarView = taskbarView;
+        mControllers = new TouchController[] {mActivity.getDragController()};
     }
 
     private void onComputeTaskbarInsets(InsetsInfo insetsInfo) {
         if (mControllerCallbacks != null) {
             mControllerCallbacks.updateInsetsTouchability(insetsInfo);
+            mControllerCallbacks.updateContentInsets(insetsInfo.contentInsets);
         }
     }
 
@@ -108,12 +105,6 @@
         return true;
     }
 
-    public void updateImeBarVisibilityAlpha(float alpha) {
-        if (mControllerCallbacks != null) {
-            mControllerCallbacks.updateImeBarVisibilityAlpha(alpha);
-        }
-    }
-
     @Override
     public void onViewRemoved(View child) {
         super.onViewRemoved(child);
@@ -124,22 +115,12 @@
 
     @Override
     protected void dispatchDraw(Canvas canvas) {
-        canvas.drawRect(0, canvas.getHeight() - mTaskbarView.getHeight(), canvas.getWidth(),
-                canvas.getHeight(), mTaskbarBackgroundPaint);
+        canvas.drawRect(0, canvas.getHeight() - mControllerCallbacks.getTaskbarBackgroundHeight(),
+                canvas.getWidth(), canvas.getHeight(), mTaskbarBackgroundPaint);
         super.dispatchDraw(canvas);
     }
 
     /**
-     * @return Bounds (in our coordinates) where an opened Folder can display.
-     */
-    protected Rect getFolderBoundingBox() {
-        Rect boundingBox = new Rect(0, 0, getWidth(), getHeight() - mTaskbarView.getHeight());
-        boundingBox.inset(mFolderMargin, mFolderMargin);
-        return boundingBox;
-    }
-
-
-    /**
      * Sets the alpha of the background color behind all the Taskbar contents.
      * @param alpha 0 is fully transparent, 1 is fully opaque.
      */
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java
new file mode 100644
index 0000000..2efbd4f
--- /dev/null
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java
@@ -0,0 +1,137 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3.taskbar;
+
+import static com.android.launcher3.AbstractFloatingView.TYPE_ALL;
+import static com.android.systemui.shared.system.ViewTreeObserverWrapper.InsetsInfo.TOUCHABLE_INSETS_FRAME;
+import static com.android.systemui.shared.system.ViewTreeObserverWrapper.InsetsInfo.TOUCHABLE_INSETS_REGION;
+
+import android.content.res.Resources;
+import android.graphics.Rect;
+
+import com.android.launcher3.AbstractFloatingView;
+import com.android.launcher3.R;
+import com.android.launcher3.anim.AlphaUpdateListener;
+import com.android.quickstep.AnimatedFloat;
+import com.android.systemui.shared.system.ViewTreeObserverWrapper.InsetsInfo;
+
+/**
+ * Handles properties/data collection, then passes the results to TaskbarDragLayer to render.
+ */
+public class TaskbarDragLayerController {
+
+    private final TaskbarActivityContext mActivity;
+    private final TaskbarDragLayer mTaskbarDragLayer;
+    private final int mFolderMargin;
+    // Alpha properties for taskbar background.
+    private final AnimatedFloat mBgTaskbar = new AnimatedFloat(this::updateBackgroundAlpha);
+    private final AnimatedFloat mBgNavbar = new AnimatedFloat(this::updateBackgroundAlpha);
+
+    // Initialized in init.
+    private TaskbarControllers mControllers;
+
+    public TaskbarDragLayerController(TaskbarActivityContext activity,
+            TaskbarDragLayer taskbarDragLayer) {
+        mActivity = activity;
+        mTaskbarDragLayer = taskbarDragLayer;
+        final Resources resources = mTaskbarDragLayer.getResources();
+        mFolderMargin = resources.getDimensionPixelSize(R.dimen.taskbar_folder_margin);
+    }
+
+    public void init(TaskbarControllers controllers) {
+        mControllers = controllers;
+        mTaskbarDragLayer.init(new TaskbarDragLayerCallbacks());
+    }
+
+    public void onDestroy() {
+        mTaskbarDragLayer.onDestroy();
+    }
+
+    /**
+     * @return Bounds (in TaskbarDragLayer coordinates) where an opened Folder can display.
+     */
+    public Rect getFolderBoundingBox() {
+        Rect boundingBox = new Rect(0, 0, mTaskbarDragLayer.getWidth(),
+                mTaskbarDragLayer.getHeight() - mActivity.getDeviceProfile().taskbarSize);
+        boundingBox.inset(mFolderMargin, mFolderMargin);
+        return boundingBox;
+    }
+
+    public AnimatedFloat getTaskbarBackgroundAlpha() {
+        return mBgTaskbar;
+    }
+
+    public AnimatedFloat getNavbarBackgroundAlpha() {
+        return mBgNavbar;
+    }
+
+    private void updateBackgroundAlpha() {
+        mTaskbarDragLayer.setTaskbarBackgroundAlpha(Math.max(mBgNavbar.value, mBgTaskbar.value));
+    }
+
+    /**
+     * Callbacks for {@link TaskbarDragLayer} to interact with its controller.
+     */
+    public class TaskbarDragLayerCallbacks {
+
+        /**
+         * Called to update the touchable insets.
+         * @see InsetsInfo#setTouchableInsets(int)
+         */
+        public void updateInsetsTouchability(InsetsInfo insetsInfo) {
+            insetsInfo.touchableRegion.setEmpty();
+            if (mTaskbarDragLayer.getAlpha() < AlphaUpdateListener.ALPHA_CUTOFF_THRESHOLD) {
+                // Let touches pass through us.
+                insetsInfo.setTouchableInsets(TOUCHABLE_INSETS_REGION);
+            } else if (mControllers.navbarButtonsViewController.isImeVisible()) {
+                insetsInfo.setTouchableInsets(TOUCHABLE_INSETS_FRAME);
+            } else if (!mControllers.uiController.isTaskbarTouchable()) {
+                // Let touches pass through us.
+                insetsInfo.setTouchableInsets(TOUCHABLE_INSETS_REGION);
+            } else if (mControllers.taskbarViewController.areIconsVisible()) {
+                // Buttons are visible, take over the full taskbar area
+                insetsInfo.setTouchableInsets(TOUCHABLE_INSETS_FRAME);
+            } else {
+                mControllers.navbarButtonsViewController.addVisibleButtonsRegion(
+                        mTaskbarDragLayer, insetsInfo.touchableRegion);
+                insetsInfo.setTouchableInsets(TOUCHABLE_INSETS_REGION);
+            }
+        }
+
+        /**
+         * Called to update the {@link InsetsInfo#contentInsets}.
+         */
+        public void updateContentInsets(Rect outContentInsets) {
+            mControllers.uiController.updateContentInsets(outContentInsets);
+        }
+
+        /**
+         * Called when a child is removed from TaskbarDragLayer.
+         */
+        public void onDragLayerViewRemoved() {
+            if (AbstractFloatingView.getOpenView(mActivity, TYPE_ALL) == null) {
+                mActivity.setTaskbarWindowFullscreen(false);
+            }
+        }
+
+        /**
+         * Returns how tall the background should be drawn at the bottom of the screen.
+         */
+        public int getTaskbarBackgroundHeight() {
+            return mActivity.getDeviceProfile().taskbarSize;
+        }
+    }
+}
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragView.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragView.java
new file mode 100644
index 0000000..cf28eff
--- /dev/null
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragView.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3.taskbar;
+
+import android.graphics.drawable.Drawable;
+
+import com.android.launcher3.R;
+import com.android.launcher3.dragndrop.DragView;
+
+/**
+ * A DragView drawn/used by the Taskbar. Note that this is only for the internal drag-and-drop,
+ * while the pre-drag is still in progress (i.e. when the long press popup is still open). After
+ * that ends, we switch to a system drag and drop view instead.
+ */
+public class TaskbarDragView extends DragView<TaskbarActivityContext> {
+    public TaskbarDragView(TaskbarActivityContext launcher, Drawable drawable, int registrationX,
+            int registrationY, float initialScale, float scaleOnDrop, float finalScaleDps) {
+        super(launcher, drawable, registrationX, registrationY, initialScale, scaleOnDrop,
+                finalScaleDps);
+    }
+
+    @Override
+    public void animateTo(int toTouchX, int toTouchY, Runnable onCompleteRunnable, int duration) {
+        Runnable onAnimationEnd = () -> {
+            if (onCompleteRunnable != null) {
+                onCompleteRunnable.run();
+            }
+            mActivity.getDragLayer().removeView(this);
+        };
+
+        duration = Math.max(duration,
+                getResources().getInteger(R.integer.config_dropAnimMinDuration));
+
+        animate()
+                .translationX(toTouchX - mRegistrationX)
+                .translationY(toTouchY - mRegistrationY)
+                .scaleX(mScaleOnDrop)
+                .scaleY(mScaleOnDrop)
+                .withEndAction(onAnimationEnd)
+                .setDuration(duration)
+                .start();
+    }
+}
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarIconController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarIconController.java
deleted file mode 100644
index 683a5b9..0000000
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarIconController.java
+++ /dev/null
@@ -1,163 +0,0 @@
-/*
- * Copyright (C) 2021 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.launcher3.taskbar;
-
-import static android.view.View.GONE;
-import static android.view.View.VISIBLE;
-
-import static com.android.systemui.shared.system.ViewTreeObserverWrapper.InsetsInfo.TOUCHABLE_INSETS_FRAME;
-import static com.android.systemui.shared.system.ViewTreeObserverWrapper.InsetsInfo.TOUCHABLE_INSETS_REGION;
-
-import android.graphics.Rect;
-import android.inputmethodservice.InputMethodService;
-import android.view.View;
-import android.view.View.OnClickListener;
-import android.view.View.OnLongClickListener;
-
-import androidx.annotation.NonNull;
-
-import com.android.launcher3.R;
-import com.android.launcher3.anim.AlphaUpdateListener;
-import com.android.systemui.shared.system.ViewTreeObserverWrapper.InsetsInfo;
-
-/**
- * Controller for taskbar icon UI
- */
-public class TaskbarIconController {
-
-    private final Rect mTempRect = new Rect();
-
-    private final TaskbarActivityContext mActivity;
-    private final TaskbarDragLayer mDragLayer;
-
-    private final TaskbarView mTaskbarView;
-    private final ImeBarView mImeBarView;
-
-    @NonNull
-    private TaskbarUIController mUIController = TaskbarUIController.DEFAULT;
-
-    TaskbarIconController(TaskbarActivityContext activity, TaskbarDragLayer dragLayer) {
-        mActivity = activity;
-        mDragLayer = dragLayer;
-        mTaskbarView = mDragLayer.findViewById(R.id.taskbar_view);
-        mImeBarView = mDragLayer.findViewById(R.id.ime_bar_view);
-    }
-
-    public void init(OnClickListener clickListener, OnLongClickListener longClickListener) {
-        mDragLayer.addOnLayoutChangeListener((v, a, b, c, d, e, f, g, h) ->
-                mUIController.alignRealHotseatWithTaskbar());
-
-        ButtonProvider buttonProvider = new ButtonProvider(mActivity);
-        mImeBarView.init(buttonProvider);
-        mTaskbarView.construct(clickListener, longClickListener, buttonProvider);
-        mTaskbarView.getLayoutParams().height = mActivity.getDeviceProfile().taskbarSize;
-
-        mDragLayer.init(new Callbacks(), mTaskbarView);
-    }
-
-    public void onDestroy() {
-        mDragLayer.onDestroy();
-    }
-
-    public void setUIController(@NonNull TaskbarUIController uiController) {
-        mUIController = uiController;
-    }
-
-    /**
-     * When in 3 button nav, the above doesn't get called since we prevent sysui nav bar from
-     * instantiating at all, which is what's responsible for sending sysui state flags over.
-     *
-     * @param vis IME visibility flag
-     */
-    public void updateImeStatus(int displayId, int vis, boolean showImeSwitcher) {
-        if (displayId != mActivity.getDisplayId() || !mActivity.canShowNavButtons()) {
-            return;
-        }
-
-        mImeBarView.setImeSwitcherVisibility(showImeSwitcher);
-        setImeIsVisible((vis & InputMethodService.IME_VISIBLE) != 0);
-    }
-
-    /**
-     * Should be called when the IME visibility changes, so we can hide/show Taskbar accordingly.
-     */
-    public void setImeIsVisible(boolean isImeVisible) {
-        mTaskbarView.setTouchesEnabled(!isImeVisible);
-        mUIController.onImeVisible(mDragLayer, isImeVisible);
-    }
-
-    /**
-     * Callbacks for {@link TaskbarDragLayer} to interact with the icon controller
-     */
-    public class Callbacks {
-
-        /**
-         * Called to update the touchable insets
-         */
-        public void updateInsetsTouchability(InsetsInfo insetsInfo) {
-            insetsInfo.touchableRegion.setEmpty();
-            if (mDragLayer.getAlpha() < AlphaUpdateListener.ALPHA_CUTOFF_THRESHOLD) {
-                // Let touches pass through us.
-                insetsInfo.setTouchableInsets(TOUCHABLE_INSETS_REGION);
-            } else if (mImeBarView.getVisibility() == VISIBLE) {
-                insetsInfo.setTouchableInsets(TOUCHABLE_INSETS_FRAME);
-            } else if (!mUIController.isTaskbarTouchable()) {
-                // Let touches pass through us.
-                insetsInfo.setTouchableInsets(TOUCHABLE_INSETS_REGION);
-            } else if (mTaskbarView.areIconsVisible()) {
-                // Buttons are visible, take over the full taskbar area
-                insetsInfo.setTouchableInsets(TOUCHABLE_INSETS_FRAME);
-            } else {
-                if (mTaskbarView.mSystemButtonContainer.getVisibility() == VISIBLE) {
-                    mDragLayer.getDescendantRectRelativeToSelf(
-                            mTaskbarView.mSystemButtonContainer, mTempRect);
-                    insetsInfo.touchableRegion.set(mTempRect);
-                }
-                insetsInfo.setTouchableInsets(TOUCHABLE_INSETS_REGION);
-            }
-
-            // TaskbarContainerView provides insets to other apps based on contentInsets. These
-            // insets should stay consistent even if we expand TaskbarContainerView's bounds, e.g.
-            // to show a floating view like Folder. Thus, we set the contentInsets to be where
-            // mTaskbarView is, since its position never changes and insets rather than overlays.
-            insetsInfo.contentInsets.left = mTaskbarView.getLeft();
-            insetsInfo.contentInsets.top = mTaskbarView.getTop();
-            insetsInfo.contentInsets.right = mDragLayer.getWidth() - mTaskbarView.getRight();
-            insetsInfo.contentInsets.bottom = mDragLayer.getHeight() - mTaskbarView.getBottom();
-        }
-
-        public void onDragLayerViewRemoved() {
-            int count = mDragLayer.getChildCount();
-            // Ensure no other children present (like Folders, etc)
-            for (int i = 0; i < count; i++) {
-                View v = mDragLayer.getChildAt(i);
-                if (!((v instanceof TaskbarView) || (v instanceof ImeBarView))) {
-                    return;
-                }
-            }
-            mActivity.setTaskbarWindowFullscreen(false);
-        }
-
-        public void updateImeBarVisibilityAlpha(float alpha) {
-            if (!mActivity.canShowNavButtons()) {
-                // TODO Remove sysui IME bar for gesture nav as well
-                return;
-            }
-            mImeBarView.setAlpha(alpha);
-            mImeBarView.setVisibility(alpha == 0 ? GONE : VISIBLE);
-        }
-    }
-}
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
index d026bfb..3563d09 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
@@ -21,11 +21,9 @@
 import static com.android.launcher3.util.DisplayController.CHANGE_ACTIVE_SCREEN;
 import static com.android.launcher3.util.DisplayController.CHANGE_DENSITY;
 import static com.android.launcher3.util.DisplayController.CHANGE_SUPPORTED_BOUNDS;
-import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_IME_SHOWING;
 
 import android.content.Context;
 import android.hardware.display.DisplayManager;
-import android.inputmethodservice.InputMethodService;
 import android.view.Display;
 
 import androidx.annotation.Nullable;
@@ -41,7 +39,7 @@
 import com.android.quickstep.TouchInteractionService;
 
 /**
- * Class to manager taskbar lifecycle
+ * Class to manage taskbar lifecycle
  */
 public class TaskbarManager implements DisplayController.DisplayInfoChangeListener,
         SysUINavigationMode.NavigationModeChangeListener {
@@ -53,6 +51,11 @@
 
     private TaskbarActivityContext mTaskbarActivityContext;
     private BaseQuickstepLauncher mLauncher;
+    /**
+     * Cache a copy here so we can initialize state whenever taskbar is recreated, since
+     * this class does not get re-initialized w/ new taskbars.
+     */
+    private int mSysuiStateFlags;
 
     private static final int CHANGE_FLAGS =
             CHANGE_ACTIVE_SCREEN | CHANGE_DENSITY | CHANGE_SUPPORTED_BOUNDS;
@@ -130,6 +133,7 @@
             mTaskbarActivityContext.setUIController(
                     new LauncherTaskbarUIController(mLauncher, mTaskbarActivityContext));
         }
+        onSysuiFlagsChangedInternal(mSysuiStateFlags, true /* forceUpdate */);
     }
 
     /**
@@ -137,24 +141,31 @@
      * @param systemUiStateFlags The latest SystemUiStateFlags
      */
     public void onSystemUiFlagsChanged(int systemUiStateFlags) {
-        boolean isImeVisible = (systemUiStateFlags & SYSUI_STATE_IME_SHOWING) != 0;
+        onSysuiFlagsChangedInternal(systemUiStateFlags, false /* forceUpdate */);
+    }
+
+    private void onSysuiFlagsChangedInternal(int systemUiStateFlags, boolean forceUpdate) {
+        mSysuiStateFlags = systemUiStateFlags;
         if (mTaskbarActivityContext != null) {
-            mTaskbarActivityContext.setImeIsVisible(isImeVisible);
+            mTaskbarActivityContext.updateSysuiStateFlags(systemUiStateFlags, forceUpdate);
         }
     }
 
-    /**
-     * When in 3 button nav, the above doesn't get called since we prevent sysui nav bar from
-     * instantiating at all, which is what's responsible for sending sysui state flags over.
-     *
-     * @param vis IME visibility flag
-     * @param backDisposition Used to determine back button behavior for software keyboard
-     *                        See BACK_DISPOSITION_* constants in {@link InputMethodService}
-     */
-    public void updateImeStatus(int displayId, int vis, int backDisposition,
-            boolean showImeSwitcher) {
+    public void onRotationProposal(int rotation, boolean isValid) {
         if (mTaskbarActivityContext != null) {
-            mTaskbarActivityContext.updateImeStatus(displayId, vis, showImeSwitcher);
+            mTaskbarActivityContext.onRotationProposal(rotation, isValid);
+        }
+    }
+
+    public void disable(int displayId, int state1, int state2, boolean animate) {
+        if (mTaskbarActivityContext != null) {
+            mTaskbarActivityContext.disable(displayId, state1, state2, animate);
+        }
+    }
+
+    public void onSystemBarAttributesChanged(int displayId, int behavior) {
+        if (mTaskbarActivityContext != null) {
+            mTaskbarActivityContext.onSystemBarAttributesChanged(displayId, behavior);
         }
     }
 
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarNavButtonController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarNavButtonController.java
index 3b5afad..002d42d 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarNavButtonController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarNavButtonController.java
@@ -44,7 +44,9 @@
             BUTTON_BACK,
             BUTTON_HOME,
             BUTTON_RECENTS,
-            BUTTON_IME_SWITCH
+            BUTTON_IME_SWITCH,
+            BUTTON_A11Y,
+            BUTTON_A11Y_LONG_CLICK
     })
 
     public @interface TaskbarButton {}
@@ -53,6 +55,8 @@
     static final int BUTTON_HOME = BUTTON_BACK << 1;
     static final int BUTTON_RECENTS = BUTTON_HOME << 1;
     static final int BUTTON_IME_SWITCH = BUTTON_RECENTS << 1;
+    static final int BUTTON_A11Y = BUTTON_IME_SWITCH << 1;
+    static final int BUTTON_A11Y_LONG_CLICK = BUTTON_A11Y << 1;
 
     private final TouchInteractionService mService;
 
@@ -74,6 +78,12 @@
             case BUTTON_IME_SWITCH:
                 showIMESwitcher();
                 break;
+            case BUTTON_A11Y:
+                notifyImeClick(false /* longClick */);
+                break;
+            case BUTTON_A11Y_LONG_CLICK:
+                notifyImeClick(true /* longClick */);
+                break;
         }
     }
 
@@ -97,4 +107,13 @@
                 .showInputMethodPickerFromSystem(true /* showAuxiliarySubtypes */,
                         DEFAULT_DISPLAY);
     }
+
+    private void notifyImeClick(boolean longClick) {
+        SystemUiProxy systemUiProxy = SystemUiProxy.INSTANCE.getNoCreate();
+        if (longClick) {
+            systemUiProxy.notifyAccessibilityButtonLongClicked();
+        } else {
+            systemUiProxy.notifyAccessibilityButtonClicked(mService.getDisplayId());
+        }
+    }
 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarStateHandler.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarStateHandler.java
index a701aae..20d4133 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarStateHandler.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarStateHandler.java
@@ -16,7 +16,6 @@
 package com.android.launcher3.taskbar;
 
 import static com.android.launcher3.LauncherState.TASKBAR;
-import static com.android.launcher3.anim.Interpolators.ACCEL_DEACCEL;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
 
 import androidx.annotation.Nullable;
@@ -27,7 +26,9 @@
 import com.android.launcher3.anim.PropertySetter;
 import com.android.launcher3.statemanager.StateManager;
 import com.android.launcher3.states.StateAnimationConfig;
+import com.android.launcher3.util.MultiValueAlpha;
 import com.android.quickstep.AnimatedFloat;
+import com.android.quickstep.SystemUiProxy;
 
 /**
  * StateHandler to animate Taskbar according to Launcher's state machine. Does nothing if Taskbar
@@ -37,15 +38,20 @@
 
     private final BaseQuickstepLauncher mLauncher;
 
-    // Contains Taskbar-related methods and fields we should aniamte. If null, don't do anything.
-    private @Nullable TaskbarAnimationController mAnimationController = null;
+    // Contains Taskbar-related properties we should aniamte. If null, don't do anything.
+    private @Nullable MultiValueAlpha.AlphaProperty mTaskbarAlpha = null;
+
+    private AnimatedFloat mNavbarButtonAlpha = new AnimatedFloat(this::updateNavbarButtonAlpha);
 
     public TaskbarStateHandler(BaseQuickstepLauncher launcher) {
         mLauncher = launcher;
     }
 
-    public void setAnimationController(TaskbarAnimationController callbacks) {
-        mAnimationController = callbacks;
+    public void setAnimationController(MultiValueAlpha.AlphaProperty taskbarAlpha) {
+        mTaskbarAlpha = taskbarAlpha;
+        // Reapply state.
+        setState(mLauncher.getStateManager().getState());
+        updateNavbarButtonAlpha();
     }
 
     @Override
@@ -59,17 +65,24 @@
         setState(toState, animation);
     }
 
-    private void setState(LauncherState toState, PropertySetter setter) {
-        if (mAnimationController == null) {
+    /**
+     * Sets the provided state
+     */
+    public void setState(LauncherState toState, PropertySetter setter) {
+        if (mTaskbarAlpha == null) {
             return;
         }
 
         boolean isTaskbarVisible = (toState.getVisibleElements(mLauncher) & TASKBAR) != 0;
-        setter.setFloat(mAnimationController.getTaskbarVisibilityForLauncherState(),
-                AnimatedFloat.VALUE, isTaskbarVisible ? 1f : 0f, LINEAR);
-        setter.setFloat(mAnimationController.getTaskbarScaleForLauncherState(),
-                AnimatedFloat.VALUE, toState.getTaskbarScale(mLauncher), LINEAR);
-        setter.setFloat(mAnimationController.getTaskbarTranslationYForLauncherState(),
-                AnimatedFloat.VALUE, toState.getTaskbarTranslationY(mLauncher), ACCEL_DEACCEL);
+        setter.setFloat(mTaskbarAlpha, MultiValueAlpha.VALUE, isTaskbarVisible ? 1f : 0f, LINEAR);
+        // Make the nav bar visible in states that taskbar isn't visible.
+        // TODO: We should draw our own handle instead of showing the nav bar.
+        float navbarButtonAlpha = isTaskbarVisible ? 0f : 1f;
+        setter.setFloat(mNavbarButtonAlpha, AnimatedFloat.VALUE, navbarButtonAlpha, LINEAR);
+    }
+
+
+    private void updateNavbarButtonAlpha() {
+        SystemUiProxy.INSTANCE.get(mLauncher).setNavBarButtonAlpha(mNavbarButtonAlpha.value, false);
     }
 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java
index 50adead..260cedc 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java
@@ -15,6 +15,8 @@
  */
 package com.android.launcher3.taskbar;
 
+import android.graphics.Rect;
+
 /**
  * Base class for providing different taskbar UI
  */
@@ -22,12 +24,7 @@
 
     public static final TaskbarUIController DEFAULT = new TaskbarUIController();
 
-    /**
-     * Pads the Hotseat to line up exactly with Taskbar's copy of the Hotseat.
-     */
-    public void alignRealHotseatWithTaskbar() { }
-
-    protected void onCreate() { }
+    protected void init(TaskbarControllers taskbarControllers) { }
 
     protected void onDestroy() { }
 
@@ -35,7 +32,5 @@
         return true;
     }
 
-    protected void onImeVisible(TaskbarDragLayer container, boolean isVisible) {
-        container.updateImeBarVisibilityAlpha(isVisible ? 1 : 0);
-    }
+    protected void updateContentInsets(Rect outContentInsets) { }
 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java
index c6573a6..373ca2a 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java
@@ -15,76 +15,61 @@
  */
 package com.android.launcher3.taskbar;
 
-import static android.view.View.MeasureSpec.EXACTLY;
-import static android.view.View.MeasureSpec.makeMeasureSpec;
+import static com.android.launcher3.LauncherAnimUtils.SCALE_PROPERTY;
+import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_X;
+import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_Y;
+import static com.android.launcher3.anim.Interpolators.LINEAR;
 
 import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.Canvas;
 import android.graphics.Rect;
-import android.graphics.RectF;
 import android.util.AttributeSet;
-import android.view.DragEvent;
-import android.view.Gravity;
 import android.view.MotionEvent;
 import android.view.View;
-import android.view.ViewConfiguration;
-import android.widget.LinearLayout;
+import android.widget.FrameLayout;
 
 import androidx.annotation.LayoutRes;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
-import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.BubbleTextView;
+import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Insettable;
 import com.android.launcher3.R;
-import com.android.launcher3.Utilities;
+import com.android.launcher3.anim.PropertySetter;
 import com.android.launcher3.folder.FolderIcon;
 import com.android.launcher3.model.data.FolderInfo;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
+import com.android.launcher3.uioverrides.ApiWrapper;
 import com.android.launcher3.views.ActivityContext;
 
 /**
  * Hosts the Taskbar content such as Hotseat and Recent Apps. Drawn on top of other apps.
  */
-public class TaskbarView extends LinearLayout implements FolderIcon.FolderIconParent, Insettable {
+public class TaskbarView extends FrameLayout implements FolderIcon.FolderIconParent, Insettable {
 
-    private final int mIconTouchSize;
-    private final boolean mIsRtl;
-    private final int mTouchSlop;
-    private final RectF mTempDelegateBounds = new RectF();
-    private final RectF mDelegateSlopBounds = new RectF();
     private final int[] mTempOutLocation = new int[2];
 
+    private final Rect mIconLayoutBounds = new Rect();
+    private final int mIconTouchSize;
     private final int mItemMarginLeftRight;
+    private final int mItemPadding;
 
     private final TaskbarActivityContext mActivityContext;
 
-    // Initialized in TaskbarController constructor.
+    // Initialized in init.
+    private TaskbarViewController.TaskbarViewCallbacks mControllerCallbacks;
     private View.OnClickListener mIconClickListener;
     private View.OnLongClickListener mIconLongClickListener;
 
-    LinearLayout mSystemButtonContainer;
-    LinearLayout mHotseatIconsContainer;
-
-    // Delegate touches to the closest view if within mIconTouchSize.
-    private boolean mDelegateTargeted;
-    private View mDelegateView;
     // Prevents dispatching touches to children if true
     private boolean mTouchEnabled = true;
 
-    private boolean mIsDraggingItem;
     // Only non-null when the corresponding Folder is open.
     private @Nullable FolderIcon mLeaveBehindFolderIcon;
 
-    /** Provider of buttons added to taskbar in 3 button nav */
-    private ButtonProvider mButtonProvider;
-
-    private boolean mDisableRelayout;
-    private boolean mAreHolesAllowed;
-
     public TaskbarView(@NonNull Context context) {
         this(context, null);
     }
@@ -105,54 +90,69 @@
 
         Resources resources = getResources();
         mIconTouchSize = resources.getDimensionPixelSize(R.dimen.taskbar_icon_touch_size);
-        mItemMarginLeftRight = resources.getDimensionPixelSize(R.dimen.taskbar_icon_spacing);
 
-        mIsRtl = Utilities.isRtl(resources);
-        mTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop();
+        int actualMargin = resources.getDimensionPixelSize(R.dimen.taskbar_icon_spacing);
+        int actualIconSize = mActivityContext.getDeviceProfile().iconSizePx;
+
+        // We layout the icons to be of mIconTouchSize in width and height
+        mItemMarginLeftRight = actualMargin - (mIconTouchSize - actualIconSize) / 2;
+        mItemPadding = (mIconTouchSize - actualIconSize) / 2;
     }
 
-    @Override
-    protected void onFinishInflate() {
-        super.onFinishInflate();
-        mSystemButtonContainer = findViewById(R.id.system_button_layout);
-        mHotseatIconsContainer = findViewById(R.id.hotseat_icons_layout);
-    }
-
-    protected void construct(OnClickListener clickListener, OnLongClickListener longClickListener,
-                ButtonProvider buttonProvider) {
-        mIconClickListener = clickListener;
-        mIconLongClickListener = longClickListener;
-        mButtonProvider = buttonProvider;
-
-        if (mActivityContext.canShowNavButtons()) {
-            createNavButtons();
-        } else {
-            mSystemButtonContainer.setVisibility(GONE);
-        }
+    protected void init(TaskbarViewController.TaskbarViewCallbacks callbacks) {
+        mControllerCallbacks = callbacks;
+        mIconClickListener = mControllerCallbacks.getOnClickListener();
+        mIconLongClickListener = mControllerCallbacks.getOnLongClickListener();
 
         int numHotseatIcons = mActivityContext.getDeviceProfile().numShownHotseatIcons;
         updateHotseatItems(new ItemInfo[numHotseatIcons]);
     }
 
     /**
-     * Enables/disables empty icons in taskbar so that the layout matches with Launcher
+     * Aligns the icons in the taskbar to that of Launcher.
      */
-    public void setHolesAllowedInLayout(boolean areHolesAllowed) {
-        if (mAreHolesAllowed != areHolesAllowed) {
-            mAreHolesAllowed = areHolesAllowed;
-            updateHotseatItemsVisibility();
-            // TODO: Add animation
+    public void alignIconsWithLauncher(DeviceProfile launcherDp, PropertySetter setter) {
+        Rect hotseatPadding = launcherDp.getHotseatLayoutPadding(getContext());
+        float scaleUp = ((float) launcherDp.iconSizePx)
+                / mActivityContext.getDeviceProfile().iconSizePx;
+        int hotseatCellSize =
+                (launcherDp.availableWidthPx - hotseatPadding.left - hotseatPadding.right)
+                        / launcherDp.numShownHotseatIcons;
+
+        int offsetY = launcherDp.getTaskbarOffsetY();
+        setter.setFloat(this, VIEW_TRANSLATE_Y, -offsetY, LINEAR);
+        mActivityContext.setTaskbarWindowHeight(
+                mActivityContext.getDeviceProfile().taskbarSize + offsetY);
+
+        int count = getChildCount();
+        for (int i = 0; i < count; i++) {
+            View child = getChildAt(i);
+            if (child.getVisibility() != VISIBLE) {
+                continue;
+            }
+            setter.setFloat(child, SCALE_PROPERTY, scaleUp, LINEAR);
+
+            float childCenter = (child.getLeft() + child.getRight()) / 2;
+            float hotseatIconCenter = hotseatPadding.left + hotseatCellSize * (i)
+                    + hotseatCellSize / 2;
+            setter.setFloat(child, VIEW_TRANSLATE_X, hotseatIconCenter - childCenter, LINEAR);
         }
     }
 
-    private void setHolesAllowedInLayoutNoAnimation(boolean areHolesAllowed) {
-        if (mAreHolesAllowed != areHolesAllowed) {
-            mAreHolesAllowed = areHolesAllowed;
-            updateHotseatItemsVisibility();
-            onMeasure(makeMeasureSpec(getMeasuredWidth(), EXACTLY),
-                    makeMeasureSpec(getMeasuredHeight(), EXACTLY));
-            onLayout(false, getLeft(), getTop(), getRight(), getBottom());
+    /**
+     * Aligns the icons in the taskbar to that of Launcher.
+     * @return a callback to be executed at the end of the setter
+     */
+    public Runnable resetIconPosition(PropertySetter setter) {
+        int count = getChildCount();
+        for (int i = 0; i < count; i++) {
+            View child = getChildAt(i);
+            setter.setFloat(child, SCALE_PROPERTY, 1, LINEAR);
+            setter.setFloat(child, VIEW_TRANSLATE_X, 0, LINEAR);
         }
+        setter.setFloat(this, VIEW_TRANSLATE_Y, 0, LINEAR);
+        return () -> mActivityContext.setTaskbarWindowHeight(
+                mActivityContext.getDeviceProfile().taskbarSize);
     }
 
     /**
@@ -160,9 +160,8 @@
      */
     protected void updateHotseatItems(ItemInfo[] hotseatItemInfos) {
         for (int i = 0; i < hotseatItemInfos.length; i++) {
-            ItemInfo hotseatItemInfo = hotseatItemInfos[
-                    !mIsRtl ? i : hotseatItemInfos.length - i - 1];
-            View hotseatView = mHotseatIconsContainer.getChildAt(i);
+            ItemInfo hotseatItemInfo = hotseatItemInfos[i];
+            View hotseatView = getChildAt(i);
 
             // Replace any Hotseat views with the appropriate type if it's not already that type.
             final int expectedLayoutResId;
@@ -183,7 +182,7 @@
             if (hotseatView == null
                     || hotseatView.getSourceLayoutResId() != expectedLayoutResId
                     || needsReinflate) {
-                mHotseatIconsContainer.removeView(hotseatView);
+                removeView(hotseatView);
                 if (isFolder) {
                     FolderInfo folderInfo = (FolderInfo) hotseatItemInfo;
                     FolderIcon folderIcon = FolderIcon.inflateFolderAndIcon(expectedLayoutResId,
@@ -193,10 +192,9 @@
                 } else {
                     hotseatView = inflate(expectedLayoutResId);
                 }
-                int iconSize = mActivityContext.getDeviceProfile().iconSizePx;
-                LayoutParams lp = new LayoutParams(iconSize, iconSize);
-                lp.setMargins(mItemMarginLeftRight, 0, mItemMarginLeftRight, 0);
-                mHotseatIconsContainer.addView(hotseatView, i, lp);
+                LayoutParams lp = new LayoutParams(mIconTouchSize, mIconTouchSize);
+                hotseatView.setPadding(mItemPadding, mItemPadding, mItemPadding, mItemPadding);
+                addView(hotseatView, i, lp);
             }
 
             // Apply the Hotseat ItemInfos, or hide the view if there is none for a given index.
@@ -204,29 +202,58 @@
                     && hotseatItemInfo instanceof WorkspaceItemInfo) {
                 ((BubbleTextView) hotseatView).applyFromWorkspaceItem(
                         (WorkspaceItemInfo) hotseatItemInfo);
-                hotseatView.setOnClickListener(mIconClickListener);
-                hotseatView.setOnLongClickListener(mIconLongClickListener);
+                setClickAndLongClickListenersForIcon(hotseatView);
             } else if (isFolder) {
-                hotseatView.setOnClickListener(mIconClickListener);
-                hotseatView.setOnLongClickListener(mIconLongClickListener);
+                setClickAndLongClickListenersForIcon(hotseatView);
             } else {
                 hotseatView.setOnClickListener(null);
                 hotseatView.setOnLongClickListener(null);
                 hotseatView.setTag(null);
             }
-            updateHotseatItemVisibility(hotseatView);
+            hotseatView.setVisibility(hotseatView.getTag() != null ? VISIBLE : INVISIBLE);
         }
     }
 
-    protected void updateHotseatItemsVisibility() {
-        for (int i = mHotseatIconsContainer.getChildCount() - 1; i >= 0; i--) {
-            updateHotseatItemVisibility(mHotseatIconsContainer.getChildAt(i));
-        }
+    /**
+     * Sets OnClickListener and OnLongClickListener for the given view.
+     */
+    public void setClickAndLongClickListenersForIcon(View icon) {
+        icon.setOnClickListener(mIconClickListener);
+        icon.setOnLongClickListener(mIconLongClickListener);
     }
 
-    private void updateHotseatItemVisibility(View hotseatView) {
-        hotseatView.setVisibility(
-                hotseatView.getTag() != null ? VISIBLE : (mAreHolesAllowed ? INVISIBLE : GONE));
+    @Override
+    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
+        int count = getChildCount();
+        // Find total visible children
+        int visibleChildren = 0;
+        for (int i = 0; i < count; i++) {
+            if (getChildAt(i).getVisibility() == VISIBLE) {
+                visibleChildren++;
+            }
+        }
+
+        int spaceNeeded = visibleChildren * (mItemMarginLeftRight * 2 + mIconTouchSize);
+        int iconStart = (right - left - spaceNeeded) / 2;
+        int startOffset = ApiWrapper.getHotseatStartOffset(getContext());
+        if (startOffset > iconStart) {
+            int diff = startOffset - iconStart;
+            iconStart = isLayoutRtl() ? (iconStart - diff) : iconStart + diff;
+        }
+        // Layout the children
+        mIconLayoutBounds.left = iconStart;
+        mIconLayoutBounds.top = (bottom - top - mIconTouchSize) / 2;
+        mIconLayoutBounds.bottom = mIconLayoutBounds.top + mIconTouchSize;
+        for (int i = 0; i < count; i++) {
+            View child = getChildAt(i);
+            if (child.getVisibility() == VISIBLE) {
+                iconStart += mItemMarginLeftRight;
+                int iconEnd = iconStart + mIconTouchSize;
+                child.layout(iconStart, mIconLayoutBounds.top, iconEnd, mIconLayoutBounds.bottom);
+                iconStart = iconEnd + mItemMarginLeftRight;
+            }
+        }
+        mIconLayoutBounds.right = iconStart;
     }
 
     @Override
@@ -237,160 +264,19 @@
         return super.dispatchTouchEvent(ev);
     }
 
-    @Override
-    public boolean onTouchEvent(MotionEvent event) {
-        boolean handled = delegateTouchIfNecessary(event);
-        return super.onTouchEvent(event) || handled;
-    }
-
     public void setTouchesEnabled(boolean touchEnabled) {
         this.mTouchEnabled = touchEnabled;
     }
 
     /**
-     * User touched the Taskbar background. Determine whether the touch is close enough to a view
-     * that we should forward the touches to it.
-     * @return Whether a delegate view was chosen and it handled the touch event.
-     */
-    private boolean delegateTouchIfNecessary(MotionEvent event) {
-        final float x = event.getX();
-        final float y = event.getY();
-        if (mDelegateView == null && event.getAction() == MotionEvent.ACTION_DOWN) {
-            View delegateView = findDelegateView(x, y);
-            if (delegateView != null) {
-                mDelegateTargeted = true;
-                mDelegateView = delegateView;
-                mDelegateSlopBounds.set(mTempDelegateBounds);
-                mDelegateSlopBounds.inset(-mTouchSlop, -mTouchSlop);
-            }
-        }
-
-        boolean sendToDelegate = mDelegateTargeted;
-        boolean inBounds = true;
-        switch (event.getAction()) {
-            case MotionEvent.ACTION_MOVE:
-                inBounds = mDelegateSlopBounds.contains(x, y);
-                break;
-            case MotionEvent.ACTION_UP:
-            case MotionEvent.ACTION_CANCEL:
-                mDelegateTargeted = false;
-                break;
-        }
-
-        boolean handled = false;
-        if (sendToDelegate) {
-            if (inBounds) {
-                // Offset event coordinates to be inside the target view
-                event.setLocation(mDelegateView.getWidth() / 2f, mDelegateView.getHeight() / 2f);
-            } else {
-                // Offset event coordinates to be outside the target view (in case it does
-                // something like tracking pressed state)
-                event.setLocation(-mTouchSlop * 2, -mTouchSlop * 2);
-            }
-            handled = mDelegateView.dispatchTouchEvent(event);
-            // Cleanup if this was the last event to send to the delegate.
-            if (!mDelegateTargeted) {
-                mDelegateView = null;
-            }
-        }
-        return handled;
-    }
-
-    /**
-     * Return an item whose touch bounds contain the given coordinates,
-     * or null if no such item exists.
-     *
-     * Also sets {@link #mTempDelegateBounds} to be the touch bounds of the chosen delegate view.
-     */
-    private @Nullable View findDelegateView(float x, float y) {
-        for (int i = 0; i < getChildCount(); i++) {
-            View child = getChildAt(i);
-            if (!child.isShown() || !child.isClickable()) {
-                continue;
-            }
-            int childCenterX = child.getLeft() + child.getWidth() / 2;
-            int childCenterY = child.getTop() + child.getHeight() / 2;
-            mTempDelegateBounds.set(
-                    childCenterX - mIconTouchSize / 2f,
-                    childCenterY - mIconTouchSize / 2f,
-                    childCenterX + mIconTouchSize / 2f,
-                    childCenterY + mIconTouchSize / 2f);
-            if (mTempDelegateBounds.contains(x, y)) {
-                return child;
-            }
-        }
-        return null;
-    }
-
-    /**
      * Returns whether the given MotionEvent, *in screen coorindates*, is within any Taskbar item's
      * touch bounds.
      */
     public boolean isEventOverAnyItem(MotionEvent ev) {
         getLocationOnScreen(mTempOutLocation);
-        float xInOurCoordinates = ev.getX() - mTempOutLocation[0];
-        float yInOurCoorindates = ev.getY() - mTempOutLocation[1];
-        return findDelegateView(xInOurCoordinates, yInOurCoorindates) != null;
-    }
-
-    /**
-     * Add back/home/recents buttons into a single ViewGroup that will be inserted at
-     * {@param navButtonStartIndex}
-     */
-    private void createNavButtons() {
-        LinearLayout.LayoutParams buttonParams = new LinearLayout.LayoutParams(
-                mActivityContext.getDeviceProfile().iconSizePx,
-                mActivityContext.getDeviceProfile().iconSizePx
-        );
-        buttonParams.gravity = Gravity.CENTER;
-
-        mSystemButtonContainer.addView(mButtonProvider.getBack(), buttonParams);
-        mSystemButtonContainer.addView(mButtonProvider.getHome(), buttonParams);
-        mSystemButtonContainer.addView(mButtonProvider.getRecents(), buttonParams);
-    }
-
-    @Override
-    public boolean onDragEvent(DragEvent event) {
-        switch (event.getAction()) {
-            case DragEvent.ACTION_DRAG_STARTED:
-                mIsDraggingItem = true;
-                AbstractFloatingView.closeAllOpenViews(mActivityContext);
-                return true;
-            case DragEvent.ACTION_DRAG_ENDED:
-                mIsDraggingItem = false;
-                break;
-        }
-        return super.onDragEvent(event);
-    }
-
-    public boolean isDraggingItem() {
-        return mIsDraggingItem;
-    }
-
-    /**
-     * @return The bounding box of where the hotseat elements are relative to this TaskbarView.
-     */
-    protected RectF getHotseatBounds() {
-        RectF result;
-        mDisableRelayout = true;
-        boolean wereHolesAllowed = mAreHolesAllowed;
-        setHolesAllowedInLayoutNoAnimation(true);
-        result = new RectF(
-                mHotseatIconsContainer.getLeft(),
-                mHotseatIconsContainer.getTop(),
-                mHotseatIconsContainer.getRight(),
-                mHotseatIconsContainer.getBottom());
-        setHolesAllowedInLayoutNoAnimation(wereHolesAllowed);
-        mDisableRelayout = false;
-
-        return result;
-    }
-
-    @Override
-    public void requestLayout() {
-        if (!mDisableRelayout) {
-            super.requestLayout();
-        }
+        int xInOurCoordinates = (int) ev.getX() - mTempOutLocation[0];
+        int yInOurCoorindates = (int) ev.getY() - mTempOutLocation[1];
+        return isShown() && mIconLayoutBounds.contains(xInOurCoordinates, yInOurCoorindates);
     }
 
     // FolderIconParent implemented methods.
@@ -429,11 +315,8 @@
         // Ignore, we just implement Insettable to draw behind system insets.
     }
 
-    public void setIconsVisibility(boolean isVisible) {
-        mHotseatIconsContainer.setVisibility(isVisible ? VISIBLE : INVISIBLE);
-    }
-
     public boolean areIconsVisible() {
-        return mHotseatIconsContainer.getVisibility() == VISIBLE;
+        // Consider the overall visibility
+        return getVisibility() == VISIBLE;
     }
 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java
new file mode 100644
index 0000000..b6184c9
--- /dev/null
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3.taskbar;
+
+import android.view.View;
+
+import com.android.launcher3.util.MultiValueAlpha;
+
+/**
+ * Handles properties/data collection, then passes the results to TaskbarView to render.
+ */
+public class TaskbarViewController {
+
+    public static final int ALPHA_INDEX_HOME = 0;
+    public static final int ALPHA_INDEX_LAUNCHER_STATE = 1;
+    public static final int ALPHA_INDEX_IME = 2;
+
+    private final TaskbarActivityContext mActivity;
+    private final TaskbarView mTaskbarView;
+    private final MultiValueAlpha mTaskbarIconAlpha;
+
+    // Initialized in init.
+    private TaskbarControllers mControllers;
+
+    public TaskbarViewController(TaskbarActivityContext activity, TaskbarView taskbarView) {
+        mActivity = activity;
+        mTaskbarView = taskbarView;
+        mTaskbarIconAlpha = new MultiValueAlpha(mTaskbarView, 3);
+        mTaskbarIconAlpha.setUpdateVisibility(true);
+    }
+
+    public void init(TaskbarControllers controllers) {
+        mControllers = controllers;
+        mTaskbarView.init(new TaskbarViewCallbacks());
+        mTaskbarView.getLayoutParams().height = mActivity.getDeviceProfile().taskbarSize;
+    }
+
+    public boolean areIconsVisible() {
+        return mTaskbarView.areIconsVisible();
+    }
+
+    public MultiValueAlpha getTaskbarIconAlpha() {
+        return mTaskbarIconAlpha;
+    }
+
+    /**
+     * Should be called when the IME visibility changes, so we can make Taskbar not steal touches.
+     */
+    public void setImeIsVisible(boolean isImeVisible) {
+        mTaskbarView.setTouchesEnabled(!isImeVisible);
+    }
+
+    /**
+     * Sets OnClickListener and OnLongClickListener for the given view.
+     */
+    public void setClickAndLongClickListenersForIcon(View icon) {
+        mTaskbarView.setClickAndLongClickListenersForIcon(icon);
+    }
+
+    /**
+     * Callbacks for {@link TaskbarView} to interact with its controller.
+     */
+    public class TaskbarViewCallbacks {
+        public View.OnClickListener getOnClickListener() {
+            return mActivity::onTaskbarIconClicked;
+        }
+
+        public View.OnLongClickListener getOnLongClickListener() {
+            return mControllers.taskbarDragController::startDragOnLongClick;
+        }
+    }
+}
diff --git a/quickstep/src/com/android/launcher3/taskbar/contextual/RotationButton.java b/quickstep/src/com/android/launcher3/taskbar/contextual/RotationButton.java
new file mode 100644
index 0000000..4093097
--- /dev/null
+++ b/quickstep/src/com/android/launcher3/taskbar/contextual/RotationButton.java
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.taskbar.contextual;
+
+import android.graphics.drawable.AnimatedVectorDrawable;
+import android.view.View;
+
+/**
+ * Interface of a rotation button that interacts {@link RotationButtonController}.
+ * This interface exists because of the two different styles of rotation button in Sysui,
+ * one in contextual for 3 button nav and a floating rotation button for gestural.
+ * Keeping the interface for eventual migration of floating button, so some methods are
+ * pass through to "super" while others are trivially implemented.
+ *
+ * Changes:
+ *  * Directly use AnimatedVectorDrawable instead of KeyButtonDrawable
+ */
+public interface RotationButton {
+    default void setRotationButtonController(RotationButtonController rotationButtonController) { }
+
+    default View getCurrentView() {
+        return null;
+    }
+    default void show() { }
+    default void hide() { }
+    default boolean isVisible() {
+        return false;
+    }
+
+    default void updateIcon(int lightIconColor, int darkIconColor) { }
+    default void setOnClickListener(View.OnClickListener onClickListener) { }
+    default void setOnHoverListener(View.OnHoverListener onHoverListener) { }
+    default AnimatedVectorDrawable getImageDrawable() {
+        return null;
+    }
+    default void setDarkIntensity(float darkIntensity) { }
+    default boolean acceptRotationProposal() {
+        return getCurrentView() != null;
+    }
+}
diff --git a/quickstep/src/com/android/launcher3/taskbar/contextual/RotationButtonController.java b/quickstep/src/com/android/launcher3/taskbar/contextual/RotationButtonController.java
new file mode 100644
index 0000000..99dc282
--- /dev/null
+++ b/quickstep/src/com/android/launcher3/taskbar/contextual/RotationButtonController.java
@@ -0,0 +1,512 @@
+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.taskbar.contextual;
+
+import static android.view.Display.DEFAULT_DISPLAY;
+
+import static com.android.internal.view.RotationPolicy.NATURAL_ROTATION;
+import static com.android.launcher3.anim.Interpolators.LINEAR;
+
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
+import android.animation.ObjectAnimator;
+import android.annotation.ColorInt;
+import android.annotation.DrawableRes;
+import android.annotation.SuppressLint;
+import android.app.StatusBarManager;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.graphics.drawable.AnimatedVectorDrawable;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.RemoteException;
+import android.provider.Settings;
+import android.util.Log;
+import android.view.IRotationWatcher;
+import android.view.MotionEvent;
+import android.view.Surface;
+import android.view.View;
+import android.view.WindowInsetsController;
+import android.view.WindowManagerGlobal;
+import android.view.accessibility.AccessibilityManager;
+
+import com.android.internal.logging.UiEvent;
+import com.android.internal.logging.UiEventLogger;
+import com.android.internal.logging.UiEventLoggerImpl;
+import com.android.internal.view.RotationPolicy;
+import com.android.launcher3.R;
+import com.android.launcher3.util.DisplayController;
+import com.android.systemui.shared.recents.utilities.Utilities;
+import com.android.systemui.shared.recents.utilities.ViewRippler;
+import com.android.systemui.shared.system.ActivityManagerWrapper;
+import com.android.systemui.shared.system.TaskStackChangeListener;
+import com.android.systemui.shared.system.TaskStackChangeListeners;
+
+import java.util.Optional;
+
+/**
+ * Copied over from the SysUI equivalent class. Known issues/things not ported over
+ *  * When rotation button visible and in auto-hide mode, we ask auto-hide controller to
+ *    keep the navbar around longer. Will need to implement if we use auto-hide on taskbar
+ *
+ * Contains logic that deals with showing a rotate suggestion button with animation.
+ */
+public class RotationButtonController {
+
+    private static final String TAG = "StatusBar/RotationButtonController";
+    private static final int BUTTON_FADE_IN_OUT_DURATION_MS = 100;
+    private static final int NAVBAR_HIDDEN_PENDING_ICON_TIMEOUT_MS = 20000;
+
+    private static final int NUM_ACCEPTED_ROTATION_SUGGESTIONS_FOR_INTRODUCTION = 3;
+
+    private final Context mContext;
+    private final Handler mMainThreadHandler = new Handler(Looper.getMainLooper());
+    private final UiEventLogger mUiEventLogger = new UiEventLoggerImpl();
+    private final ViewRippler mViewRippler = new ViewRippler();
+    private final DisplayController mDisplayController;
+    private RotationButton mRotationButton;
+
+    private int mLastRotationSuggestion;
+    private boolean mPendingRotationSuggestion;
+    private boolean mHoveringRotationSuggestion;
+    private final AccessibilityManager mAccessibilityManager;
+    private final TaskStackListenerImpl mTaskStackListener;
+    private boolean mListenersRegistered = false;
+    private boolean mIsTaskbarShowing;
+    @SuppressLint("InlinedApi")
+    private @WindowInsetsController.Behavior
+    int mBehavior = WindowInsetsController.BEHAVIOR_DEFAULT;
+    private boolean mSkipOverrideUserLockPrefsOnce;
+    private final int mLightIconColor;
+    private final int mDarkIconColor;
+    private int mIconResId = R.drawable.ic_sysbar_rotate_button_ccw_start_90;
+
+    private final Runnable mRemoveRotationProposal =
+            () -> setRotateSuggestionButtonState(false /* visible */);
+    private final Runnable mCancelPendingRotationProposal =
+            () -> mPendingRotationSuggestion = false;
+    private Animator mRotateHideAnimator;
+
+
+    private final IRotationWatcher.Stub mRotationWatcher = new IRotationWatcher.Stub() {
+        @Override
+        public void onRotationChanged(final int rotation) {
+            // We need this to be scheduled as early as possible to beat the redrawing of
+            // window in response to the orientation change.
+            mMainThreadHandler.postAtFrontOfQueue(() -> {
+                // If the screen rotation changes while locked, potentially update lock to flow with
+                // new screen rotation and hide any showing suggestions.
+                if (isRotationLocked()) {
+                    if (shouldOverrideUserLockPrefs(rotation)) {
+                        setRotationLockedAtAngle(rotation);
+                    }
+                    setRotateSuggestionButtonState(false /* visible */, true /* forced */);
+                }
+            });
+        }
+    };
+
+    /**
+     * Determines if rotation suggestions disabled2 flag exists in flag
+     * @param disable2Flags see if rotation suggestion flag exists in this flag
+     * @return whether flag exists
+     */
+    static boolean hasDisable2RotateSuggestionFlag(int disable2Flags) {
+        return (disable2Flags & StatusBarManager.DISABLE2_ROTATE_SUGGESTIONS) != 0;
+    }
+
+    public RotationButtonController(Context context, @ColorInt int lightIconColor,
+            @ColorInt int darkIconColor) {
+        mContext = context;
+        mLightIconColor = lightIconColor;
+        mDarkIconColor = darkIconColor;
+
+        mAccessibilityManager = AccessibilityManager.getInstance(context);
+        mTaskStackListener = new TaskStackListenerImpl();
+        mDisplayController = DisplayController.INSTANCE.get(context);
+    }
+
+    public void setRotationButton(RotationButton rotationButton) {
+        mRotationButton = rotationButton;
+        mRotationButton.setRotationButtonController(this);
+        mRotationButton.setOnClickListener(this::onRotateSuggestionClick);
+        mRotationButton.setOnHoverListener(this::onRotateSuggestionHover);
+    }
+
+    public void init() {
+        registerListeners();
+        if (mDisplayController.getInfo().id != DEFAULT_DISPLAY) {
+            // Currently there is no accelerometer sensor on non-default display, disable fixed
+            // rotation for non-default display
+            onDisable2FlagChanged(StatusBarManager.DISABLE2_ROTATE_SUGGESTIONS);
+        }
+    }
+
+    public void onDestroy() {
+        unregisterListeners();
+    }
+
+    private void registerListeners() {
+        if (mListenersRegistered) {
+            return;
+        }
+
+        mListenersRegistered = true;
+        try {
+            WindowManagerGlobal.getWindowManagerService()
+                    .watchRotation(mRotationWatcher, mDisplayController.getInfo().id);
+        } catch (IllegalArgumentException e) {
+            mListenersRegistered = false;
+            Log.w(TAG, "RegisterListeners for the display failed");
+        } catch (RemoteException e) {
+            Log.e(TAG, "RegisterListeners caught a RemoteException", e);
+            return;
+        }
+
+        TaskStackChangeListeners.getInstance().registerTaskStackListener(mTaskStackListener);
+    }
+
+    void unregisterListeners() {
+        if (!mListenersRegistered) {
+            return;
+        }
+
+        mListenersRegistered = false;
+        try {
+            WindowManagerGlobal.getWindowManagerService().removeRotationWatcher(mRotationWatcher);
+        } catch (RemoteException e) {
+            Log.e(TAG, "UnregisterListeners caught a RemoteException", e);
+            return;
+        }
+
+        TaskStackChangeListeners.getInstance().unregisterTaskStackListener(mTaskStackListener);
+    }
+
+    void setRotationLockedAtAngle(int rotationSuggestion) {
+        RotationPolicy.setRotationLockAtAngle(mContext, true, rotationSuggestion);
+    }
+
+    public boolean isRotationLocked() {
+        return RotationPolicy.isRotationLocked(mContext);
+    }
+
+    public void setRotateSuggestionButtonState(boolean visible) {
+        setRotateSuggestionButtonState(visible, false /* force */);
+    }
+
+    void setRotateSuggestionButtonState(final boolean visible, final boolean force) {
+        // At any point the button can become invisible because an a11y service became active.
+        // Similarly, a call to make the button visible may be rejected because an a11y service is
+        // active. Must account for this.
+        // Rerun a show animation to indicate change but don't rerun a hide animation
+        if (!visible && !mRotationButton.isVisible()) return;
+
+        final View view = mRotationButton.getCurrentView();
+        if (view == null) return;
+
+        final AnimatedVectorDrawable currentDrawable = mRotationButton.getImageDrawable();
+        if (currentDrawable == null) return;
+
+        // Clear any pending suggestion flag as it has either been nullified or is being shown
+        mPendingRotationSuggestion = false;
+        mMainThreadHandler.removeCallbacks(mCancelPendingRotationProposal);
+
+        // Handle the visibility change and animation
+        if (visible) { // Appear and change (cannot force)
+            // Stop and clear any currently running hide animations
+            if (mRotateHideAnimator != null && mRotateHideAnimator.isRunning()) {
+                mRotateHideAnimator.cancel();
+            }
+            mRotateHideAnimator = null;
+
+            // Reset the alpha if any has changed due to hide animation
+            view.setAlpha(1f);
+
+            // Run the rotate icon's animation if it has one
+            currentDrawable.reset();
+            currentDrawable.start();
+
+            // TODO(b/187754252): No idea why this doesn't work. If we remove the "false"
+            //  we see the animation show the pressed state... but it only shows the first time.
+            if (!isRotateSuggestionIntroduced()) mViewRippler.start(view);
+
+            // Set visibility unless a11y service is active.
+            mRotationButton.show();
+        } else { // Hide
+            mViewRippler.stop(); // Prevent any pending ripples, force hide or not
+
+            if (force) {
+                // If a hide animator is running stop it and make invisible
+                if (mRotateHideAnimator != null && mRotateHideAnimator.isRunning()) {
+                    mRotateHideAnimator.pause();
+                }
+                mRotationButton.hide();
+                return;
+            }
+
+            // Don't start any new hide animations if one is running
+            if (mRotateHideAnimator != null && mRotateHideAnimator.isRunning()) return;
+
+            ObjectAnimator fadeOut = ObjectAnimator.ofFloat(view, "alpha", 0f);
+            fadeOut.setDuration(BUTTON_FADE_IN_OUT_DURATION_MS);
+            fadeOut.setInterpolator(LINEAR);
+            fadeOut.addListener(new AnimatorListenerAdapter() {
+                @Override
+                public void onAnimationEnd(Animator animation) {
+                    mRotationButton.hide();
+                }
+            });
+
+            mRotateHideAnimator = fadeOut;
+            fadeOut.start();
+        }
+    }
+
+    void setDarkIntensity(float darkIntensity) {
+        mRotationButton.setDarkIntensity(darkIntensity);
+    }
+
+    public void onRotationProposal(int rotation, boolean isValid) {
+        int windowRotation = mDisplayController.getInfo().rotation;
+
+        if (!mRotationButton.acceptRotationProposal()) {
+            return;
+        }
+
+        // This method will be called on rotation suggestion changes even if the proposed rotation
+        // is not valid for the top app. Use invalid rotation choices as a signal to remove the
+        // rotate button if shown.
+        if (!isValid) {
+            setRotateSuggestionButtonState(false /* visible */);
+            return;
+        }
+
+        // If window rotation matches suggested rotation, remove any current suggestions
+        if (rotation == windowRotation) {
+            mMainThreadHandler.removeCallbacks(mRemoveRotationProposal);
+            setRotateSuggestionButtonState(false /* visible */);
+            return;
+        }
+
+        // Prepare to show the navbar icon by updating the icon style to change anim params
+        mLastRotationSuggestion = rotation; // Remember rotation for click
+        final boolean rotationCCW = Utilities.isRotationAnimationCCW(windowRotation, rotation);
+        if (windowRotation == Surface.ROTATION_0 || windowRotation == Surface.ROTATION_180) {
+            mIconResId = rotationCCW
+                    ? R.drawable.ic_sysbar_rotate_button_ccw_start_90
+                    : R.drawable.ic_sysbar_rotate_button_cw_start_90;
+        } else { // 90 or 270
+            mIconResId = rotationCCW
+                    ? R.drawable.ic_sysbar_rotate_button_ccw_start_0
+                    : R.drawable.ic_sysbar_rotate_button_ccw_start_0;
+        }
+        mRotationButton.updateIcon(mLightIconColor, mDarkIconColor);
+
+        if (canShowRotationButton()) {
+            // The navbar is visible / it's in visual immersive mode, so show the icon right away
+            showAndLogRotationSuggestion();
+        } else {
+            // If the navbar isn't shown, flag the rotate icon to be shown should the navbar become
+            // visible given some time limit.
+            mPendingRotationSuggestion = true;
+            mMainThreadHandler.removeCallbacks(mCancelPendingRotationProposal);
+            mMainThreadHandler.postDelayed(mCancelPendingRotationProposal,
+                    NAVBAR_HIDDEN_PENDING_ICON_TIMEOUT_MS);
+        }
+    }
+
+    public void onDisable2FlagChanged(int state2) {
+        final boolean rotateSuggestionsDisabled = hasDisable2RotateSuggestionFlag(state2);
+        if (rotateSuggestionsDisabled) onRotationSuggestionsDisabled();
+    }
+
+    public void onBehaviorChanged(int displayId, @WindowInsetsController.Behavior int behavior) {
+        if (mDisplayController.getInfo().id != displayId) {
+            return;
+        }
+
+        if (mBehavior != behavior) {
+            mBehavior = behavior;
+            showPendingRotationButtonIfNeeded();
+        }
+    }
+
+    public void onTaskBarVisibilityChange(boolean showing) {
+        if (mIsTaskbarShowing != showing) {
+            mIsTaskbarShowing = showing;
+            showPendingRotationButtonIfNeeded();
+        }
+    }
+
+    private void showPendingRotationButtonIfNeeded() {
+        if (canShowRotationButton() && mPendingRotationSuggestion) {
+            showAndLogRotationSuggestion();
+        }
+    }
+
+    /** Return true when either the task bar is visible or it's in visual immersive mode. */
+    @SuppressLint("InlinedApi")
+    private boolean canShowRotationButton() {
+        return mIsTaskbarShowing || mBehavior == WindowInsetsController.BEHAVIOR_DEFAULT;
+    }
+
+    public @DrawableRes
+    int getIconResId() {
+        return mIconResId;
+    }
+
+    public @ColorInt int getLightIconColor() {
+        return mLightIconColor;
+    }
+
+    public @ColorInt int getDarkIconColor() {
+        return mDarkIconColor;
+    }
+
+    private void onRotateSuggestionClick(View v) {
+        mUiEventLogger.log(RotationButtonEvent.ROTATION_SUGGESTION_ACCEPTED);
+        incrementNumAcceptedRotationSuggestionsIfNeeded();
+        setRotationLockedAtAngle(mLastRotationSuggestion);
+    }
+
+    private boolean onRotateSuggestionHover(View v, MotionEvent event) {
+        final int action = event.getActionMasked();
+        mHoveringRotationSuggestion = (action == MotionEvent.ACTION_HOVER_ENTER)
+                || (action == MotionEvent.ACTION_HOVER_MOVE);
+        rescheduleRotationTimeout(true /* reasonHover */);
+        return false; // Must return false so a11y hover events are dispatched correctly.
+    }
+
+    private void onRotationSuggestionsDisabled() {
+        // Immediately hide the rotate button and clear any planned removal
+        setRotateSuggestionButtonState(false /* visible */, true /* force */);
+        mMainThreadHandler.removeCallbacks(mRemoveRotationProposal);
+    }
+
+    private void showAndLogRotationSuggestion() {
+        setRotateSuggestionButtonState(true /* visible */);
+        rescheduleRotationTimeout(false /* reasonHover */);
+        mUiEventLogger.log(RotationButtonEvent.ROTATION_SUGGESTION_SHOWN);
+    }
+
+    /**
+     * Makes {@link #shouldOverrideUserLockPrefs} always return {@code false} once. It is used to
+     * avoid losing original user rotation when display rotation is changed by entering the fixed
+     * orientation overview.
+     */
+    void setSkipOverrideUserLockPrefsOnce() {
+        mSkipOverrideUserLockPrefsOnce = true;
+    }
+
+    private boolean shouldOverrideUserLockPrefs(final int rotation) {
+        if (mSkipOverrideUserLockPrefsOnce) {
+            mSkipOverrideUserLockPrefsOnce = false;
+            return false;
+        }
+        // Only override user prefs when returning to the natural rotation (normally portrait).
+        // Don't let apps that force landscape or 180 alter user lock.
+        return rotation == NATURAL_ROTATION;
+    }
+
+    private void rescheduleRotationTimeout(final boolean reasonHover) {
+        // May be called due to a new rotation proposal or a change in hover state
+        if (reasonHover) {
+            // Don't reschedule if a hide animator is running
+            if (mRotateHideAnimator != null && mRotateHideAnimator.isRunning()) return;
+            // Don't reschedule if not visible
+            if (!mRotationButton.isVisible()) return;
+        }
+
+        // Stop any pending removal
+        mMainThreadHandler.removeCallbacks(mRemoveRotationProposal);
+        // Schedule timeout
+        mMainThreadHandler.postDelayed(mRemoveRotationProposal,
+                computeRotationProposalTimeout());
+    }
+
+    private int computeRotationProposalTimeout() {
+        return mAccessibilityManager.getRecommendedTimeoutMillis(
+                mHoveringRotationSuggestion ? 16000 : 5000,
+                AccessibilityManager.FLAG_CONTENT_CONTROLS);
+    }
+
+    private boolean isRotateSuggestionIntroduced() {
+        ContentResolver cr = mContext.getContentResolver();
+        return Settings.Secure.getInt(cr, Settings.Secure.NUM_ROTATION_SUGGESTIONS_ACCEPTED, 0)
+                >= NUM_ACCEPTED_ROTATION_SUGGESTIONS_FOR_INTRODUCTION;
+    }
+
+    private void incrementNumAcceptedRotationSuggestionsIfNeeded() {
+        // Get the number of accepted suggestions
+        ContentResolver cr = mContext.getContentResolver();
+        final int numSuggestions = Settings.Secure.getInt(cr,
+                Settings.Secure.NUM_ROTATION_SUGGESTIONS_ACCEPTED, 0);
+
+        // Increment the number of accepted suggestions only if it would change intro mode
+        if (numSuggestions < NUM_ACCEPTED_ROTATION_SUGGESTIONS_FOR_INTRODUCTION) {
+            Settings.Secure.putInt(cr, Settings.Secure.NUM_ROTATION_SUGGESTIONS_ACCEPTED,
+                    numSuggestions + 1);
+        }
+    }
+
+    private class TaskStackListenerImpl extends TaskStackChangeListener {
+        // Invalidate any rotation suggestion on task change or activity orientation change
+        // Note: all callbacks happen on main thread
+
+        @Override
+        public void onTaskStackChanged() {
+            setRotateSuggestionButtonState(false /* visible */);
+        }
+
+        @Override
+        public void onTaskRemoved(int taskId) {
+            setRotateSuggestionButtonState(false /* visible */);
+        }
+
+        @Override
+        public void onTaskMovedToFront(int taskId) {
+            setRotateSuggestionButtonState(false /* visible */);
+        }
+
+        @Override
+        public void onActivityRequestedOrientationChanged(int taskId, int requestedOrientation) {
+            // Only hide the icon if the top task changes its requestedOrientation
+            // Launcher can alter its requestedOrientation while it's not on top, don't hide on this
+            Optional.ofNullable(ActivityManagerWrapper.getInstance())
+                    .map(ActivityManagerWrapper::getRunningTask)
+                    .ifPresent(a -> {
+                        if (a.id == taskId) setRotateSuggestionButtonState(false /* visible */);
+                    });
+        }
+    }
+
+    enum RotationButtonEvent implements UiEventLogger.UiEventEnum {
+        @UiEvent(doc = "The rotation button was shown")
+        ROTATION_SUGGESTION_SHOWN(206),
+        @UiEvent(doc = "The rotation button was clicked")
+        ROTATION_SUGGESTION_ACCEPTED(207);
+
+        private final int mId;
+        RotationButtonEvent(int id) {
+            mId = id;
+        }
+        @Override public int getId() {
+            return mId;
+        }
+    }
+}
+
diff --git a/quickstep/src/com/android/launcher3/uioverrides/ApiWrapper.java b/quickstep/src/com/android/launcher3/uioverrides/ApiWrapper.java
index 76a5782..a595f54 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/ApiWrapper.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/ApiWrapper.java
@@ -17,10 +17,15 @@
 package com.android.launcher3.uioverrides;
 
 import android.app.Person;
+import android.content.Context;
 import android.content.pm.ShortcutInfo;
+import android.content.res.Resources;
 import android.view.Display;
 
+import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
+import com.android.quickstep.SysUINavigationMode;
+import com.android.quickstep.SysUINavigationMode.Mode;
 
 public class ApiWrapper {
 
@@ -37,4 +42,18 @@
     public static boolean isInternalDisplay(Display display) {
         return display.getType() == Display.TYPE_INTERNAL;
     }
+
+    /**
+     * Returns the minimum space that should be left empty at the start of hotseat
+     */
+    public static int getHotseatStartOffset(Context context) {
+        if (SysUINavigationMode.INSTANCE.get(context).getMode() == Mode.THREE_BUTTONS) {
+            Resources res = context.getResources();
+            return 2 * res.getDimensionPixelSize(R.dimen.taskbar_nav_buttons_spacing)
+                    + 3 * res.getDimensionPixelSize(R.dimen.taskbar_nav_buttons_size);
+        } else {
+            return 0;
+        }
+
+    }
 }
diff --git a/quickstep/src/com/android/launcher3/uioverrides/BaseRecentsViewStateController.java b/quickstep/src/com/android/launcher3/uioverrides/BaseRecentsViewStateController.java
index 1d52315..d74b6c5 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/BaseRecentsViewStateController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/BaseRecentsViewStateController.java
@@ -17,6 +17,8 @@
 package com.android.launcher3.uioverrides;
 
 import static com.android.launcher3.anim.Interpolators.AGGRESSIVE_EASE_IN_OUT;
+import static com.android.launcher3.anim.Interpolators.FINAL_FRAME;
+import static com.android.launcher3.anim.Interpolators.INSTANT;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
 import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_FADE;
 import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_MODAL;
@@ -112,8 +114,9 @@
                 mRecentsView, getTaskModalnessProperty(),
                 toState.getOverviewModalness(),
                 config.getInterpolator(ANIM_OVERVIEW_MODAL, LINEAR));
-        setter.setFloat(mRecentsView, RECENTS_GRID_PROGRESS,
-                toState.displayOverviewTasksAsGrid(mLauncher.getDeviceProfile()) ? 1f : 0f, LINEAR);
+        boolean showAsGrid = toState.displayOverviewTasksAsGrid(mLauncher.getDeviceProfile());
+        setter.setFloat(mRecentsView, RECENTS_GRID_PROGRESS, showAsGrid ? 1f : 0f,
+                showAsGrid ? INSTANT : FINAL_FRAME);
     }
 
     abstract FloatProperty getTaskModalnessProperty();
diff --git a/quickstep/src/com/android/launcher3/uioverrides/RecentsViewStateController.java b/quickstep/src/com/android/launcher3/uioverrides/RecentsViewStateController.java
index 996d36a..6cad3dd 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/RecentsViewStateController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/RecentsViewStateController.java
@@ -106,8 +106,7 @@
         float clearAllButtonAlpha = state.areElementsVisible(mLauncher, CLEAR_ALL_BUTTON) ? 1 : 0;
         propertySetter.setFloat(mRecentsView.getClearAllButton(), ClearAllButton.VISIBILITY_ALPHA,
                 clearAllButtonAlpha, LINEAR);
-        float overviewButtonAlpha = state.areElementsVisible(mLauncher, OVERVIEW_ACTIONS)
-                && mRecentsView.shouldShowOverviewActionsForState(state) ? 1 : 0;
+        float overviewButtonAlpha = state.areElementsVisible(mLauncher, OVERVIEW_ACTIONS) ? 1 : 0;
         propertySetter.setFloat(mLauncher.getActionsView().getVisibilityAlpha(),
                 MultiValueAlpha.VALUE, overviewButtonAlpha, config.getInterpolator(
                         ANIM_OVERVIEW_ACTIONS_FADE, LINEAR));
diff --git a/quickstep/src/com/android/launcher3/uioverrides/states/OverviewState.java b/quickstep/src/com/android/launcher3/uioverrides/states/OverviewState.java
index 8c128c8..90e17c0 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/states/OverviewState.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/states/OverviewState.java
@@ -83,16 +83,6 @@
     }
 
     @Override
-    public float getTaskbarScale(Launcher launcher) {
-        return 1f;
-    }
-
-    @Override
-    public float getTaskbarTranslationY(Launcher launcher) {
-        return 0f;
-    }
-
-    @Override
     public PageAlphaProvider getWorkspacePageAlphaProvider(Launcher launcher) {
         return new PageAlphaProvider(DEACCEL_2) {
             @Override
diff --git a/quickstep/src/com/android/quickstep/BaseActivityInterface.java b/quickstep/src/com/android/quickstep/BaseActivityInterface.java
index 7ab371b..a45ced4 100644
--- a/quickstep/src/com/android/quickstep/BaseActivityInterface.java
+++ b/quickstep/src/com/android/quickstep/BaseActivityInterface.java
@@ -211,17 +211,18 @@
             Rect gridRect = new Rect();
             calculateGridSize(context, dp, gridRect);
 
-            int verticalMargin = res.getDimensionPixelSize(
-                    R.dimen.overview_grid_focus_vertical_margin);
-            float taskHeight = gridRect.height() - verticalMargin * 2;
+            int verticalMargin = Math.max(
+                    res.getDimensionPixelSize(R.dimen.overview_grid_focus_vertical_margin),
+                    res.getDimensionPixelSize(R.dimen.overview_actions_height));
+            float taskHeight =
+                    gridRect.height() - verticalMargin * 2 - dp.overviewTaskThumbnailTopMarginPx;
 
             PointF taskDimension = getTaskDimension(context, dp);
-            float scale = taskHeight / Math.max(taskDimension.x, taskDimension.y);
+            float scale = taskHeight / taskDimension.y;
             int outWidth = Math.round(scale * taskDimension.x);
             int outHeight = Math.round(scale * taskDimension.y);
 
-            int gravity = Gravity.CENTER_VERTICAL;
-            gravity |= orientedState.getRecentsRtlSetting(res) ? Gravity.RIGHT : Gravity.LEFT;
+            int gravity = Gravity.CENTER;
             Gravity.apply(gravity, outWidth, outHeight, gridRect, outRect);
         } else {
             int taskMargin = dp.overviewTaskMarginPx;
@@ -310,8 +311,7 @@
         float rowHeight = (gridRect.height() - rowSpacing) / 2f;
 
         PointF taskDimension = getTaskDimension(context, dp);
-        float scale = (rowHeight - dp.overviewTaskThumbnailTopMarginPx) / Math.max(
-                taskDimension.x, taskDimension.y);
+        float scale = (rowHeight - dp.overviewTaskThumbnailTopMarginPx) / taskDimension.y;
         int outWidth = Math.round(scale * taskDimension.x);
         int outHeight = Math.round(scale * taskDimension.y);
 
diff --git a/quickstep/src/com/android/quickstep/SystemUiProxy.java b/quickstep/src/com/android/quickstep/SystemUiProxy.java
index d040904..090fd01 100644
--- a/quickstep/src/com/android/quickstep/SystemUiProxy.java
+++ b/quickstep/src/com/android/quickstep/SystemUiProxy.java
@@ -85,6 +85,7 @@
     private float mLastNavButtonAlpha;
     private boolean mLastNavButtonAnimate;
     private boolean mHasNavButtonAlphaBeenSet = false;
+    private Runnable mPendingSetNavButtonAlpha = null;
 
     // TODO(141886704): Find a way to remove this
     private int mLastSystemUiStateFlags;
@@ -157,6 +158,11 @@
             setSmartspaceCallback(mPendingSmartspaceCallback);
             mPendingSmartspaceCallback = null;
         }
+
+        if (mPendingSetNavButtonAlpha != null) {
+            mPendingSetNavButtonAlpha.run();
+            mPendingSetNavButtonAlpha = null;
+        }
     }
 
     public void clearProxy() {
@@ -240,14 +246,18 @@
         boolean changed = Float.compare(alpha, mLastNavButtonAlpha) != 0
                 || animate != mLastNavButtonAnimate
                 || !mHasNavButtonAlphaBeenSet;
-        if (mSystemUiProxy != null && changed) {
-            mLastNavButtonAlpha = alpha;
-            mLastNavButtonAnimate = animate;
-            mHasNavButtonAlphaBeenSet = true;
-            try {
-                mSystemUiProxy.setNavBarButtonAlpha(alpha, animate);
-            } catch (RemoteException e) {
-                Log.w(TAG, "Failed call setNavBarButtonAlpha", e);
+        if (changed) {
+            if (mSystemUiProxy == null) {
+                mPendingSetNavButtonAlpha = () -> setNavBarButtonAlpha(alpha, animate);
+            } else {
+                mLastNavButtonAlpha = alpha;
+                mLastNavButtonAnimate = animate;
+                mHasNavButtonAlphaBeenSet = true;
+                try {
+                    mSystemUiProxy.setNavBarButtonAlpha(alpha, animate);
+                } catch (RemoteException e) {
+                    Log.w(TAG, "Failed call setNavBarButtonAlpha", e);
+                }
             }
         }
     }
diff --git a/quickstep/src/com/android/quickstep/TaskOverlayFactory.java b/quickstep/src/com/android/quickstep/TaskOverlayFactory.java
index c1c85de..7297107 100644
--- a/quickstep/src/com/android/quickstep/TaskOverlayFactory.java
+++ b/quickstep/src/com/android/quickstep/TaskOverlayFactory.java
@@ -68,13 +68,14 @@
         final BaseDraggingActivity activity = BaseActivity.fromContext(taskView.getContext());
         for (TaskShortcutFactory menuOption : MENU_OPTIONS) {
             SystemShortcut shortcut = menuOption.getShortcut(activity, taskView);
-            if (menuOption == TaskShortcutFactory.SPLIT_SCREEN &&
-                    FeatureFlags.ENABLE_SPLIT_SELECT.get()) {
-                addSplitOptions(shortcuts, activity, taskView, deviceProfile);
+            if (shortcut == null) {
                 continue;
             }
 
-            if (shortcut != null) {
+            if (menuOption == TaskShortcutFactory.SPLIT_SCREEN &&
+                    FeatureFlags.ENABLE_SPLIT_SELECT.get()) {
+                addSplitOptions(shortcuts, activity, taskView, deviceProfile);
+            } else {
                 shortcuts.add(shortcut);
             }
         }
diff --git a/quickstep/src/com/android/quickstep/TouchInteractionService.java b/quickstep/src/com/android/quickstep/TouchInteractionService.java
index e52405b..a3136c7 100644
--- a/quickstep/src/com/android/quickstep/TouchInteractionService.java
+++ b/quickstep/src/com/android/quickstep/TouchInteractionService.java
@@ -261,16 +261,35 @@
         }
 
         @Override
-        public void onSplitScreenSecondaryBoundsChanged(Rect bounds, Rect insets)  {
+        public void onSplitScreenSecondaryBoundsChanged(Rect bounds, Rect insets) {
             WindowBounds wb = new WindowBounds(bounds, insets);
             MAIN_EXECUTOR.execute(() -> SplitScreenBounds.INSTANCE.setSecondaryWindowBounds(wb));
         }
 
         @Override
-        public void onImeWindowStatusChanged(int displayId, IBinder token, int vis,
-                int backDisposition, boolean showImeSwitcher) {
-            MAIN_EXECUTOR.execute(() -> mTaskbarManager.updateImeStatus(
-                    displayId, vis, backDisposition, showImeSwitcher));
+        public void onRotationProposal(int rotation, boolean isValid) {
+            executeForTaskbarManager(() -> mTaskbarManager.onRotationProposal(rotation, isValid));
+        }
+
+        @Override
+        public void disable(int displayId, int state1, int state2, boolean animate) {
+            executeForTaskbarManager(() -> mTaskbarManager
+                    .disable(displayId, state1, state2, animate));
+        }
+
+        @Override
+        public void onSystemBarAttributesChanged(int displayId, int behavior) {
+            executeForTaskbarManager(() -> mTaskbarManager
+                    .onSystemBarAttributesChanged(displayId, behavior));
+        }
+
+        private void executeForTaskbarManager(final Runnable r) {
+            MAIN_EXECUTOR.execute(() -> {
+                if (mTaskbarManager == null) {
+                    return;
+                }
+                r.run();
+            });
         }
 
         public TaskbarManager getTaskbarManager() {
diff --git a/quickstep/src/com/android/quickstep/fallback/FallbackRecentsStateController.java b/quickstep/src/com/android/quickstep/fallback/FallbackRecentsStateController.java
index f0364eb..50b69dc 100644
--- a/quickstep/src/com/android/quickstep/fallback/FallbackRecentsStateController.java
+++ b/quickstep/src/com/android/quickstep/fallback/FallbackRecentsStateController.java
@@ -15,6 +15,8 @@
  */
 package com.android.quickstep.fallback;
 
+import static com.android.launcher3.anim.Interpolators.FINAL_FRAME;
+import static com.android.launcher3.anim.Interpolators.INSTANT;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
 import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_MODAL;
 import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_SCALE;
@@ -77,9 +79,7 @@
         float clearAllButtonAlpha = state.hasClearAllButton() ? 1 : 0;
         setter.setFloat(mRecentsView.getClearAllButton(), ClearAllButton.VISIBILITY_ALPHA,
                 clearAllButtonAlpha, LINEAR);
-        float overviewButtonAlpha =
-                state.hasOverviewActions() && mRecentsView.shouldShowOverviewActionsForState(state)
-                        ? 1 : 0;
+        float overviewButtonAlpha = state.hasOverviewActions() ? 1 : 0;
         setter.setFloat(mActivity.getActionsView().getVisibilityAlpha(),
                 MultiValueAlpha.VALUE, overviewButtonAlpha, LINEAR);
 
@@ -94,8 +94,9 @@
         setter.setFloat(mRecentsView, TASK_MODALNESS, state.getOverviewModalness(),
                 config.getInterpolator(ANIM_OVERVIEW_MODAL, LINEAR));
         setter.setFloat(mRecentsView, FULLSCREEN_PROGRESS, state.isFullScreen() ? 1 : 0, LINEAR);
-        setter.setFloat(mRecentsView, RECENTS_GRID_PROGRESS,
-                state.displayOverviewTasksAsGrid(mActivity.getDeviceProfile()) ? 1f : 0f, LINEAR);
+        boolean showAsGrid = state.displayOverviewTasksAsGrid(mActivity.getDeviceProfile());
+        setter.setFloat(mRecentsView, RECENTS_GRID_PROGRESS, showAsGrid ? 1f : 0f,
+                showAsGrid ? INSTANT : FINAL_FRAME);
 
         setter.setViewBackgroundColor(mActivity.getScrimView(), state.getScrimColor(mActivity),
                 config.getInterpolator(ANIM_SCRIM_FADE, LINEAR));
diff --git a/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java b/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java
index ac3fb27..efce650 100644
--- a/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java
+++ b/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java
@@ -26,14 +26,12 @@
 import android.content.Context;
 import android.os.Build;
 import android.util.AttributeSet;
-import android.util.Log;
 
 import androidx.annotation.Nullable;
 
 import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.statemanager.StateManager.StateListener;
-import com.android.launcher3.testing.TestProtocol;
 import com.android.quickstep.FallbackActivityInterface;
 import com.android.quickstep.GestureState;
 import com.android.quickstep.RecentsActivity;
@@ -122,6 +120,12 @@
         }
     }
 
+    @Nullable
+    @Override
+    protected TaskView getHomeTaskView() {
+        return mHomeTaskInfo != null ? getTaskView(mHomeTaskInfo.taskId) : null;
+    }
+
     @Override
     protected boolean shouldAddStubTaskView(RunningTaskInfo runningTaskInfo) {
         if (mHomeTaskInfo != null && runningTaskInfo != null &&
diff --git a/quickstep/src/com/android/quickstep/util/AnimatorControllerWithResistance.java b/quickstep/src/com/android/quickstep/util/AnimatorControllerWithResistance.java
index 7f94839..f1b4e3d 100644
--- a/quickstep/src/com/android/quickstep/util/AnimatorControllerWithResistance.java
+++ b/quickstep/src/com/android/quickstep/util/AnimatorControllerWithResistance.java
@@ -49,6 +49,7 @@
 
     private enum RecentsResistanceParams {
         FROM_APP(0.75f, 0.5f, 1f),
+        FROM_APP_TABLET(0.9f, 0.75f, 1f),
         FROM_OVERVIEW(1f, 0.75f, 0.5f);
 
         RecentsResistanceParams(float scaleStartResist, float scaleMaxResist,
@@ -228,7 +229,7 @@
 
         // These are not required, or can have a default value that is generally correct.
         @Nullable public PendingAnimation resistAnim = null;
-        public RecentsResistanceParams resistanceParams = RecentsResistanceParams.FROM_APP;
+        public RecentsResistanceParams resistanceParams;
         public float startScale = 1f;
         public float startTranslation = 0f;
 
@@ -242,6 +243,11 @@
             this.scaleProperty = scaleProperty;
             this.translationTarget = translationTarget;
             this.translationProperty = translationProperty;
+            if (dp.isTablet) {
+                resistanceParams = RecentsResistanceParams.FROM_APP_TABLET;
+            } else {
+                resistanceParams = RecentsResistanceParams.FROM_APP;
+            }
         }
 
         private RecentsParams setResistAnim(PendingAnimation resistAnim) {
diff --git a/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java b/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
index b15bbf3..0e6ce87 100644
--- a/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
+++ b/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
@@ -256,8 +256,8 @@
 
         float fullScreenProgress = Utilities.boundToRange(this.fullScreenProgress.value, 0, 1);
         mCurrentFullscreenParams.setProgress(
-                fullScreenProgress, recentsViewScale.value, mTaskRect.width(), mDp,
-                mPositionHelper);
+                fullScreenProgress, recentsViewScale.value, /*taskViewScale=*/1f, mTaskRect.width(),
+                mDp, mPositionHelper);
 
         // Apply thumbnail matrix
         RectF insets = mCurrentFullscreenParams.mCurrentDrawnInsets;
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index df7f8b5..45bcc87 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -32,7 +32,6 @@
 import static com.android.launcher3.Utilities.squaredHypot;
 import static com.android.launcher3.Utilities.squaredTouchSlop;
 import static com.android.launcher3.anim.Interpolators.ACCEL;
-import static com.android.launcher3.anim.Interpolators.ACCEL_0_5;
 import static com.android.launcher3.anim.Interpolators.ACCEL_0_75;
 import static com.android.launcher3.anim.Interpolators.ACCEL_DEACCEL;
 import static com.android.launcher3.anim.Interpolators.FAST_OUT_SLOW_IN;
@@ -345,6 +344,9 @@
     private static final int ADDITION_TASK_DURATION = 200;
     private static final float INITIAL_DISMISS_TRANSLATION_INTERPOLATION_OFFSET = 0.55f;
     private static final float ADDITIONAL_DISMISS_TRANSLATION_INTERPOLATION_OFFSET = 0.05f;
+    private static final float ANIMATION_DISMISS_PROGRESS_MIDPOINT = 0.5f;
+
+    private static final float SIGNIFICANT_MOVE_THRESHOLD_TABLET = 0.15f;
 
     protected final RecentsOrientedState mOrientationState;
     protected final BaseActivityInterface<STATE_TYPE, ACTIVITY_TYPE> mSizeStrategy;
@@ -352,6 +354,13 @@
     protected SurfaceTransactionApplier mSyncTransactionApplier;
     protected int mTaskWidth;
     protected int mTaskHeight;
+    // Used to position the top of a task in the top row of the grid
+    private float mTaskGridVerticalDiff;
+    // The vertical space one grid task takes + space between top and bottom row.
+    private float mTopBottomRowHeightDiff;
+    // mTaskGridVerticalDiff and mTopBottomRowHeightDiff summed together provides the top
+    // position for bottom row of grid tasks.
+
     protected final TransformParams mLiveTileParams = new TransformParams();
     protected final TaskViewSimulator mLiveTileTaskViewSimulator;
     protected final Rect mLastComputedTaskSize = new Rect();
@@ -364,6 +373,7 @@
     protected final Rect mTempRect = new Rect();
     protected final RectF mTempRectF = new RectF();
     private final PointF mTempPointF = new PointF();
+    private final Matrix mTempMatrix = new Matrix();
     private final float[] mTempFloat = new float[1];
     private final List<OnScrollChangedListener> mScrollListeners = new ArrayList<>();
 
@@ -492,9 +502,8 @@
     protected boolean mRunningTaskTileHidden;
     private Task mTmpRunningTask;
     protected int mFocusedTaskId = -1;
-    private float mFocusedTaskRatio;
 
-    private boolean mRunningTaskIconScaledDown = false;
+    private boolean mTaskIconScaledDown = false;
 
     private boolean mOverviewStateEnabled;
     private boolean mHandleTaskStackChanges;
@@ -817,7 +826,7 @@
         // taskview for entering split screen, we only pretend to dismiss the task
         if (child instanceof TaskView && child != mSplitHiddenTaskView) {
             TaskView taskView = (TaskView) child;
-            mHasVisibleTaskData.delete(taskView.getTask().key.id);
+            mHasVisibleTaskData.delete(taskView.getTaskId());
             mTaskViewPool.recycle(taskView);
             mActionsView.updateHiddenFlags(HIDDEN_NO_TASKS, getTaskViewCount() == 0);
         }
@@ -924,7 +933,7 @@
     public TaskView getTaskView(int taskId) {
         for (int i = 0; i < getTaskViewCount(); i++) {
             TaskView taskView = getTaskViewAt(i);
-            if (taskView.hasTaskId(taskId)) {
+            if (taskView.getTaskId() == taskId) {
                 return taskView;
             }
         }
@@ -974,6 +983,12 @@
     }
 
     @Override
+    protected float getSignificantMoveThreshold() {
+        return mActivity.getDeviceProfile().isTablet ? SIGNIFICANT_MOVE_THRESHOLD_TABLET
+                : super.getSignificantMoveThreshold();
+    }
+
+    @Override
     public boolean onTouchEvent(MotionEvent ev) {
         super.onTouchEvent(ev);
 
@@ -1116,6 +1131,9 @@
             final TaskView taskView = (TaskView) getChildAt(pageIndex);
             taskView.bind(task, mOrientationState);
         }
+        if (mFocusedTaskId == -1 && getTaskViewCount() > 0) {
+            mFocusedTaskId = getTaskViewAt(0).getTaskId();
+        }
         updateTaskSize();
 
         if (mNextPage == INVALID_PAGE) {
@@ -1172,8 +1190,9 @@
     public void resetTaskVisuals() {
         for (int i = getTaskViewCount() - 1; i >= 0; i--) {
             TaskView taskView = getTaskViewAt(i);
-            if (mIgnoreResetTaskId != taskView.getTask().key.id) {
+            if (mIgnoreResetTaskId != taskView.getTaskId()) {
                 taskView.resetViewTransforms();
+                taskView.setIconScaleAndDim(mTaskIconScaledDown ? 0 : 1);
                 taskView.setStableAlpha(mContentAlpha);
                 taskView.setFullscreenProgress(mFullscreenProgress);
                 taskView.setModalness(mTaskModalness);
@@ -1192,11 +1211,6 @@
             setRunningTaskHidden(mRunningTaskTileHidden);
         }
 
-        // Force apply the scale.
-        if (mIgnoreResetTaskId != mRunningTaskId) {
-            applyRunningTaskIconScale();
-        }
-
         updateCurveProperties();
         // Update the set of visible task's data
         loadVisibleTaskData(TaskView.FLAG_UPDATE_ALL);
@@ -1291,6 +1305,11 @@
         mSizeStrategy.calculateGridTaskSize(mActivity, mActivity.getDeviceProfile(),
                 mLastComputedGridTaskSize, mOrientationHandler);
 
+        mTaskGridVerticalDiff = mLastComputedGridTaskSize.top - mLastComputedTaskSize.top;
+        mTopBottomRowHeightDiff =
+                mLastComputedGridTaskSize.height() + dp.overviewTaskThumbnailTopMarginPx
+                        + mRowSpacing;
+
         // Force TaskView to update size from thumbnail
         updateTaskSize();
 
@@ -1321,6 +1340,15 @@
      * Updates TaskView scaling and translation required to support variable width.
      */
     private void updateTaskSize() {
+        updateTaskSize(false);
+    }
+
+    /**
+     * Updates TaskView scaling and translation required to support variable width.
+     *
+     * @param isTaskDismissal indicates if update was called due to task dismissal
+     */
+    private void updateTaskSize(boolean isTaskDismissal) {
         final int taskCount = getTaskViewCount();
         if (taskCount == 0) {
             return;
@@ -1330,18 +1358,17 @@
         for (int i = 0; i < taskCount; i++) {
             TaskView taskView = getTaskViewAt(i);
             taskView.updateTaskSize();
-            taskView.getPrimaryFullscreenTranslationProperty().set(taskView,
-                    accumulatedTranslationX);
-            taskView.getSecondaryFullscreenTranslationProperty().set(taskView, 0f);
+            taskView.getPrimaryNonGridTranslationProperty().set(taskView, accumulatedTranslationX);
+            taskView.getSecondaryNonGridTranslationProperty().set(taskView, 0f);
             // Compensate space caused by TaskView scaling.
             float widthDiff =
-                    taskView.getLayoutParams().width * (1 - taskView.getFullscreenScale());
+                    taskView.getLayoutParams().width * (1 - taskView.getNonGridScale());
             accumulatedTranslationX += mIsRtl ? widthDiff : -widthDiff;
         }
 
         mClearAllButton.setFullscreenTranslationPrimary(accumulatedTranslationX);
 
-        updateGridProperties();
+        updateGridProperties(isTaskDismissal);
     }
 
     public void getTaskSize(Rect outRect) {
@@ -1356,19 +1383,7 @@
     public Point getSelectedTaskSize() {
         mSizeStrategy.calculateTaskSize(mActivity, mActivity.getDeviceProfile(), mTempRect,
                 mOrientationHandler);
-        int taskWidth = mTempRect.width();
-        int taskHeight = mTempRect.height();
-        if (mFocusedTaskId != -1) {
-            int boxLength = Math.max(taskWidth, taskHeight);
-            if (mFocusedTaskRatio > 1) {
-                taskWidth = boxLength;
-                taskHeight = (int) (boxLength / mFocusedTaskRatio);
-            } else {
-                taskWidth = (int) (boxLength * mFocusedTaskRatio);
-                taskHeight = boxLength;
-            }
-        }
-        return new Point(taskWidth, taskHeight);
+        return new Point(mTempRect.width(), mTempRect.height());
     }
 
     /** Gets the last computed task size */
@@ -1400,13 +1415,7 @@
             loadVisibleTaskData(TaskView.FLAG_UPDATE_ALL);
 
             // After scrolling, update ActionsView's visibility.
-            TaskView focusedTaskView = getFocusedTaskView();
-            if (focusedTaskView != null) {
-                float scrollDiff = Math.abs(getScrollForPage(indexOfChild(focusedTaskView))
-                        - mOrientationHandler.getPrimaryScroll(this));
-                float delta = (mGridSideMargin - scrollDiff) / (float) mGridSideMargin;
-                mActionsView.getScrollAlpha().setValue(Utilities.boundToRange(delta, 0, 1));
-            }
+            updateActionsViewScrollAlpha();
         }
 
         // Update the high res thumbnail loader state
@@ -1414,6 +1423,20 @@
         return scrolling;
     }
 
+    private void updateActionsViewScrollAlpha() {
+        float scrollAlpha = 1f;
+        if (showAsGrid()) {
+            TaskView focusedTaskView = getFocusedTaskView();
+            if (focusedTaskView != null) {
+                float scrollDiff = Math.abs(getScrollForPage(indexOfChild(focusedTaskView))
+                        - mOrientationHandler.getPrimaryScroll(this));
+                float delta = (mGridSideMargin - scrollDiff) / (float) mGridSideMargin;
+                scrollAlpha = Utilities.boundToRange(delta, 0, 1);
+            }
+        }
+        mActionsView.getScrollAlpha().setValue(scrollAlpha);
+    }
+
     /**
      * Scales and adjusts translation of adjacent pages as if on a curved carousel.
      */
@@ -1556,7 +1579,7 @@
         setCurrentTask(-1);
         mIgnoreResetTaskId = -1;
         mTaskListChangeId = -1;
-        mFocusedTaskId = -1;
+        mFocusedTaskId = getTaskViewCount() > 0 ? getTaskViewAt(0).getTaskId() : -1;
 
         if (mRecentsAnimationController != null) {
             if (LIVE_TILE.get() && mEnableDrawingLiveTile) {
@@ -1598,11 +1621,8 @@
         return getTaskView(mFocusedTaskId);
     }
 
-    /**
-     * Returns the width to height ratio of the focused {@link TaskView}.
-     */
-    public float getFocusedTaskRatio() {
-        return mFocusedTaskRatio;
+    protected @Nullable TaskView getHomeTaskView() {
+        return null;
     }
 
     /**
@@ -1641,7 +1661,7 @@
         setEnableFreeScroll(false);
         setEnableDrawingLiveTile(false);
         setRunningTaskHidden(true);
-        setRunningTaskIconScaledDown(true);
+        setTaskIconScaledDown(true);
     }
 
     /**
@@ -1650,9 +1670,7 @@
      */
     public void onSwipeUpAnimationSuccess() {
         Log.d("b/186444448", "onSwipeUpAnimationSuccess");
-        if (getRunningTaskView() != null) {
-            animateUpRunningTaskIconScale();
-        }
+        animateUpTaskIconScale();
         setSwipeDownShouldLaunchApp(true);
     }
 
@@ -1736,12 +1754,8 @@
             setRunningTaskViewShowScreenshot(true);
         }
         setRunningTaskHidden(false);
-        animateUpRunningTaskIconScale();
-
-        if (mCurrentGestureEndTarget == GestureState.GestureEndTarget.RECENTS
-                && (!showAsGrid() || getFocusedTaskView() != null)) {
-            animateActionsViewIn();
-        }
+        animateUpTaskIconScale();
+        animateActionsViewIn();
 
         mCurrentGestureEndTarget = null;
     }
@@ -1783,9 +1797,7 @@
         boolean runningTaskTileHidden = mRunningTaskTileHidden;
         int runningTaskId = runningTaskInfo == null ? -1 : runningTaskInfo.taskId;
         setCurrentTask(runningTaskId);
-        if (mActivity.getDeviceProfile().isTablet && FeatureFlags.ENABLE_OVERVIEW_GRID.get()) {
-            setFocusedTask(runningTaskId);
-        }
+        mFocusedTaskId = runningTaskId;
         setCurrentPage(getRunningTaskIndex());
         setRunningTaskViewShowScreenshot(false);
         setRunningTaskHidden(runningTaskTileHidden);
@@ -1806,7 +1818,7 @@
 
         if (mRunningTaskId != -1) {
             // Reset the state on the old running task view
-            setRunningTaskIconScaledDown(false);
+            setTaskIconScaledDown(false);
             setRunningTaskViewShowScreenshot(true);
             setRunningTaskHidden(false);
         }
@@ -1814,15 +1826,6 @@
     }
 
     /**
-     * Sets the focused task id and store the width to height ratio of the focused task.
-     */
-    protected void setFocusedTask(int focusedTaskId) {
-        mFocusedTaskId = focusedTaskId;
-        mFocusedTaskRatio =
-                mLastComputedTaskSize.width() / (float) mLastComputedTaskSize.height();
-    }
-
-    /**
      * Hides the tile associated with {@link #mRunningTaskId}
      */
     public void setRunningTaskHidden(boolean isHidden) {
@@ -1846,21 +1849,13 @@
         }
     }
 
-    public void setRunningTaskIconScaledDown(boolean isScaledDown) {
-        if (mRunningTaskIconScaledDown != isScaledDown) {
-            mRunningTaskIconScaledDown = isScaledDown;
-            applyRunningTaskIconScale();
-        }
-    }
-
-    public boolean isTaskIconScaledDown(TaskView taskView) {
-        return mRunningTaskIconScaledDown && getRunningTaskView() == taskView;
-    }
-
-    private void applyRunningTaskIconScale() {
-        TaskView firstTask = getRunningTaskView();
-        if (firstTask != null) {
-            firstTask.setIconScaleAndDim(mRunningTaskIconScaledDown ? 0 : 1);
+    public void setTaskIconScaledDown(boolean isScaledDown) {
+        if (mTaskIconScaledDown != isScaledDown) {
+            mTaskIconScaledDown = isScaledDown;
+            int taskCount = getTaskViewCount();
+            for (int i = 0; i < taskCount; i++) {
+                getTaskViewAt(i).setIconScaleAndDim(mTaskIconScaledDown ? 0 : 1);
+            }
         }
     }
 
@@ -1871,21 +1866,14 @@
         anim.start();
     }
 
-    private void animateActionsViewOut() {
-        ObjectAnimator anim = ObjectAnimator.ofFloat(
-                mActionsView.getVisibilityAlpha(), MultiValueAlpha.VALUE, 1, 0);
-        anim.setDuration(TaskView.SCALE_ICON_DURATION);
-        anim.start();
-    }
-
-    public void animateUpRunningTaskIconScale() {
-        mRunningTaskIconScaledDown = false;
-        TaskView firstTask = getRunningTaskView();
-        Log.d("b/186444448", "animateUpRunningTaskIconScale: firstTask="
-                + (firstTask != null ? "t:" + firstTask.getTask() : null));
-        if (firstTask != null) {
-            firstTask.setIconScaleAnimStartProgress(0f);
-            firstTask.animateIconScaleAndDimIntoView();
+    public void animateUpTaskIconScale() {
+        mTaskIconScaledDown = false;
+        Log.d("b/186444448", "animateUpRunningTaskIconScale");
+        int taskCount = getTaskViewCount();
+        for (int i = 0; i < taskCount; i++) {
+            TaskView taskView = getTaskViewAt(i);
+            taskView.setIconScaleAnimStartProgress(0f);
+            taskView.animateIconScaleAndDimIntoView();
         }
     }
 
@@ -1911,20 +1899,8 @@
             return;
         }
 
-        final int boxLength = Math.max(mLastComputedGridTaskSize.width(),
-                mLastComputedGridTaskSize.height());
         int taskTopMargin = mActivity.getDeviceProfile().overviewTaskThumbnailTopMarginPx;
 
-        /*
-         * taskGridVerticalDiff is used to position the top of a task in the top row of the grid
-         * heightOffset is the vertical space one grid task takes + space between top and
-         *   bottom row
-         * Summed together they provide the top position for bottom row of grid tasks
-         */
-        final float taskGridVerticalDiff =
-                mLastComputedGridTaskSize.top - mLastComputedTaskSize.top;
-        final float heightOffset = (boxLength + taskTopMargin) + mRowSpacing;
-
         int topRowWidth = 0;
         int bottomRowWidth = 0;
         float topAccumulatedTranslationX = 0;
@@ -1944,6 +1920,8 @@
         int snappedTaskRowWidth = 0;
         int snappedPage = getNextPage();
         TaskView snappedTaskView = getTaskViewAtByAbsoluteIndex(snappedPage);
+        TaskView homeTaskView = getHomeTaskView();
+        TaskView nextFocusedTaskView = null;
 
         if (!isTaskDismissal) {
             mTopRowIdSet.clear();
@@ -1981,15 +1959,20 @@
                     // calculate the distance focused task need to shift.
                     focusedTaskShift += mIsRtl ? taskWidthAndSpacing : -taskWidthAndSpacing;
                 }
-                int taskId = taskView.getTask().key.id;
+                int taskId = taskView.getTaskId();
                 boolean isTopRow = isTaskDismissal ? mTopRowIdSet.contains(taskId)
                         : topRowWidth <= bottomRowWidth;
                 if (isTopRow) {
-                    topRowWidth += taskWidthAndSpacing;
+                    if (homeTaskView != null && nextFocusedTaskView == null) {
+                        // TaskView will be focused when swipe up, don't count towards row width.
+                        nextFocusedTaskView = taskView;
+                    } else {
+                        topRowWidth += taskWidthAndSpacing;
+                    }
                     topSet.add(i);
                     mTopRowIdSet.add(taskId);
 
-                    taskView.setGridTranslationY(taskGridVerticalDiff);
+                    taskView.setGridTranslationY(mTaskGridVerticalDiff);
 
                     // Move horizontally into empty space.
                     float widthOffset = 0;
@@ -2008,7 +1991,7 @@
                     bottomSet.add(i);
 
                     // Move into bottom row.
-                    taskView.setGridTranslationY(heightOffset + taskGridVerticalDiff);
+                    taskView.setGridTranslationY(mTopBottomRowHeightDiff + mTaskGridVerticalDiff);
 
                     // Move horizontally into empty space.
                     float widthOffset = 0;
@@ -2032,20 +2015,18 @@
         // We need to maintain snapped task's page scroll invariant between quick switch and
         // overview, so we sure snapped task's grid translation is 0, and add a non-fullscreen
         // translationX that is the same as snapped task's full scroll adjustment.
-        float snappedTaskFullscreenScrollAdjustment = 0;
+        float snappedTaskNonGridScrollAdjustment = 0;
         float snappedTaskGridTranslationX = 0;
         if (snappedTaskView != null) {
-            snappedTaskFullscreenScrollAdjustment = snappedTaskView.getScrollAdjustment(
+            snappedTaskNonGridScrollAdjustment = snappedTaskView.getScrollAdjustment(
                     /*fullscreenEnabled=*/true, /*gridEnabled=*/false);
             snappedTaskGridTranslationX = gridTranslations[snappedPage - mTaskViewStartIndex];
         }
 
         for (int i = 0; i < taskCount; i++) {
             TaskView taskView = getTaskViewAt(i);
-            taskView.setGridTranslationX(gridTranslations[i] - snappedTaskGridTranslationX);
-            taskView.getPrimaryNonFullscreenTranslationProperty().set(taskView,
-                    snappedTaskFullscreenScrollAdjustment);
-            taskView.getSecondaryNonFullscreenTranslationProperty().set(taskView, 0f);
+            taskView.setGridTranslationX(gridTranslations[i] - snappedTaskGridTranslationX
+                    + snappedTaskNonGridScrollAdjustment);
         }
 
         // Use the accumulated translation of the row containing the last task.
@@ -2080,7 +2061,7 @@
 
         float clearAllTotalTranslationX =
                 clearAllAccumulatedTranslation + clearAllShorterRowCompensation
-                        + clearAllShortTotalCompensation + snappedTaskFullscreenScrollAdjustment;
+                        + clearAllShortTotalCompensation + snappedTaskNonGridScrollAdjustment;
         if (focusedTaskIndex < taskCount) {
             // Shift by focused task's width and spacing if a task is focused.
             clearAllTotalTranslationX +=
@@ -2091,8 +2072,10 @@
         // of swiping up after quick switch.
         if (snappedTaskView != null) {
             int distanceFromClearAll = longRowWidth - snappedTaskRowWidth;
+            // ClearAllButton should be off screen when snapped task is in its snapped position.
             int minimumDistance =
-                    mLastComputedGridSize.width() - snappedTaskView.getLayoutParams().width;
+                    mTaskWidth - snappedTaskView.getLayoutParams().width
+                            + (mLastComputedGridSize.width() - mTaskWidth) / 2;
             if (distanceFromClearAll < minimumDistance) {
                 int distanceDifference = minimumDistance - distanceFromClearAll;
                 clearAllTotalTranslationX += mIsRtl ? -distanceDifference : distanceDifference;
@@ -2112,8 +2095,8 @@
         if (taskView1 == null || taskView2 == null) {
             return false;
         }
-        int taskId1 = taskView1.getTask().key.id;
-        int taskId2 = taskView2.getTask().key.id;
+        int taskId1 = taskView1.getTaskId();
+        int taskId2 = taskView2.getTaskId();
         if (taskId1 == mFocusedTaskId || taskId2 == mFocusedTaskId) {
             return false;
         }
@@ -2242,8 +2225,16 @@
         }
     }
 
-    public PendingAnimation createTaskDismissAnimation(TaskView taskView, boolean animateTaskView,
-            boolean shouldRemoveTask, long duration) {
+    /**
+     * Creates a {@link PendingAnimation} for dismissing the specified {@link TaskView}.
+     * @param dismissedTaskView the {@link TaskView} to be dismissed
+     * @param animateTaskView whether the {@link TaskView} to be dismissed should be animated
+     * @param shouldRemoveTask whether the associated {@link Task} should be removed from
+     *                         ActivityManager after dismissal
+     * @param duration duration of the animation
+     */
+    public PendingAnimation createTaskDismissAnimation(TaskView dismissedTaskView,
+            boolean animateTaskView, boolean shouldRemoveTask, long duration) {
         if (mPendingAnimation != null) {
             mPendingAnimation.createPlaybackController().dispatchOnCancel();
         }
@@ -2254,30 +2245,65 @@
             return anim;
         }
 
+        boolean showAsGrid = showAsGrid();
+        int taskCount = getTaskViewCount();
+        int dismissedIndex = indexOfChild(dismissedTaskView);
+        int dismissedTaskId = dismissedTaskView.getTaskId();
+
+        // Grid specific properties.
+        boolean isFocusedTaskDismissed = false;
+        TaskView nextFocusedTaskView = null;
+        boolean nextFocusedTaskFromTop = false;
+        float dismissedTaskWidth = 0;
+        float nextFocusedTaskWidth = 0;
+
+        // Non-grid specific properties.
         int[] oldScroll = new int[count];
         int[] newScroll = new int[count];
-        getPageScrolls(oldScroll, false, SIMPLE_SCROLL_LOGIC);
-        getPageScrolls(newScroll, false, (v) -> v.getVisibility() != GONE && v != taskView);
-        int taskCount = getTaskViewCount();
         int scrollDiffPerPage = 0;
-        if (count > 1) {
-            scrollDiffPerPage = Math.abs(oldScroll[1] - oldScroll[0]);
-        }
-        int draggedIndex = indexOfChild(taskView);
-
-        boolean isFocusedTaskDismissed = taskView.getTask().key.id == mFocusedTaskId;
-        if (isFocusedTaskDismissed && showAsGrid()) {
-            anim.setFloat(mActionsView, VIEW_ALPHA, 0, clampToProgress(ACCEL_0_5, 0, 0.5f));
-        }
-        float dismissedTaskWidth = taskView.getLayoutParams().width + mPageSpacing;
         boolean needsCurveUpdates = false;
+
+        if (showAsGrid) {
+            dismissedTaskWidth = dismissedTaskView.getLayoutParams().width + mPageSpacing;
+            isFocusedTaskDismissed = dismissedTaskId == mFocusedTaskId;
+            if (isFocusedTaskDismissed) {
+                nextFocusedTaskFromTop =
+                        mTopRowIdSet.size() > 0 && mTopRowIdSet.size() >= (taskCount - 1) / 2f;
+                // Pick the next focused task from the preferred row.
+                for (int i = 0; i < taskCount; i++) {
+                    TaskView taskView = getTaskViewAt(i);
+                    if (taskView == dismissedTaskView) {
+                        continue;
+                    }
+                    boolean isTopRow = mTopRowIdSet.contains(taskView.getTaskId());
+                    if ((nextFocusedTaskFromTop && isTopRow
+                            || (!nextFocusedTaskFromTop && !isTopRow))) {
+                        nextFocusedTaskView = taskView;
+                        break;
+                    }
+                }
+                if (nextFocusedTaskView != null) {
+                    nextFocusedTaskWidth =
+                            nextFocusedTaskView.getLayoutParams().width + mPageSpacing;
+                }
+            }
+        } else {
+            getPageScrolls(oldScroll, false, SIMPLE_SCROLL_LOGIC);
+            getPageScrolls(newScroll, false,
+                    v -> v.getVisibility() != GONE && v != dismissedTaskView);
+            if (count > 1) {
+                scrollDiffPerPage = Math.abs(oldScroll[1] - oldScroll[0]);
+            }
+        }
+
+        int distanceFromDismissedTask = 0;
         for (int i = 0; i < count; i++) {
             View child = getChildAt(i);
-            if (child == taskView) {
+            if (child == dismissedTaskView) {
                 if (animateTaskView) {
-                    addDismissedTaskAnimations(taskView, duration, anim);
+                    addDismissedTaskAnimations(dismissedTaskView, duration, anim);
                 }
-            } else if (!showAsGrid()) {
+            } else if (!showAsGrid) {
                 // Compute scroll offsets from task dismissal for animation.
                 // If we just take newScroll - oldScroll, everything to the right of dragged task
                 // translates to the left. We need to offset this in some cases:
@@ -2286,15 +2312,15 @@
                 // - Current page is rightmost page (leftmost for RTL)
                 // - Dragging an adjacent page on the left side (right side for RTL)
                 int offset = mIsRtl ? scrollDiffPerPage : 0;
-                if (mCurrentPage == draggedIndex) {
+                if (mCurrentPage == dismissedIndex) {
                     int lastPage = taskCount - 1;
                     if (mCurrentPage == lastPage) {
                         offset += mIsRtl ? -scrollDiffPerPage : scrollDiffPerPage;
                     }
                 } else {
-                    // Dragging an adjacent page.
+                    // Dismissing an adjacent page.
                     int negativeAdjacent = mCurrentPage - 1; // (Right in RTL, left in LTR)
-                    if (draggedIndex == negativeAdjacent) {
+                    if (dismissedIndex == negativeAdjacent) {
                         offset += mIsRtl ? -scrollDiffPerPage : scrollDiffPerPage;
                     }
                 }
@@ -2307,7 +2333,7 @@
 
                     float additionalDismissDuration =
                             ADDITIONAL_DISMISS_TRANSLATION_INTERPOLATION_OFFSET * Math.abs(
-                                    i - draggedIndex);
+                                    i - dismissedIndex);
                     anim.setFloat(child, translationProperty, scrollDiff, clampToProgress(LINEAR,
                             Utilities.boundToRange(INITIAL_DISMISS_TRANSLATION_INTERPOLATION_OFFSET
                                     + additionalDismissDuration, 0f, 1f), 1));
@@ -2323,21 +2349,46 @@
                     needsCurveUpdates = true;
                 }
             } else if (child instanceof TaskView) {
+                TaskView taskView = (TaskView) child;
+                if (isFocusedTaskDismissed) {
+                    if (!isSameGridRow(taskView, nextFocusedTaskView)) {
+                        continue;
+                    }
+                } else {
+                    if (i < dismissedIndex || !isSameGridRow(taskView, dismissedTaskView)) {
+                        continue;
+                    }
+                }
                 // Animate task with index >= dismissed index and in the same row as the
-                // dismissed index, or if the dismissed task was the focused task. Offset
-                // successive task dismissal durations for a staggered effect.
-                if (isFocusedTaskDismissed || (i >= draggedIndex && isSameGridRow((TaskView) child,
-                        taskView))) {
-                    FloatProperty translationProperty =
-                            ((TaskView) child).getPrimaryDismissTranslationProperty();
-                    float additionalDismissDuration =
-                            ADDITIONAL_DISMISS_TRANSLATION_INTERPOLATION_OFFSET * Math.abs(
-                                    i - draggedIndex);
-                    anim.setFloat(child, translationProperty,
-                            !mIsRtl ? -dismissedTaskWidth : dismissedTaskWidth,
-                            clampToProgress(LINEAR, Utilities.boundToRange(
-                                    INITIAL_DISMISS_TRANSLATION_INTERPOLATION_OFFSET
-                                            + additionalDismissDuration, 0f, 1f), 1));
+                // dismissed index or next focused index. Offset successive task dismissal
+                // durations for a staggered effect.
+                float animationStartProgress = Utilities.boundToRange(
+                        INITIAL_DISMISS_TRANSLATION_INTERPOLATION_OFFSET
+                                + ADDITIONAL_DISMISS_TRANSLATION_INTERPOLATION_OFFSET
+                                * ++distanceFromDismissedTask, 0f, 1f);
+                if (taskView == nextFocusedTaskView) {
+                    // Enlarge the task to be focused next, and translate into focus position.
+                    float scale = mTaskWidth / (float) mLastComputedGridTaskSize.width();
+                    anim.setFloat(taskView, TaskView.SNAPSHOT_SCALE, scale,
+                            clampToProgress(LINEAR, animationStartProgress, 1f));
+                    anim.setFloat(taskView, taskView.getPrimaryDismissTranslationProperty(),
+                            mIsRtl ? dismissedTaskWidth : -dismissedTaskWidth,
+                            clampToProgress(LINEAR, animationStartProgress, 1f));
+                    float secondaryTranslation = -mTaskGridVerticalDiff;
+                    if (!nextFocusedTaskFromTop) {
+                        secondaryTranslation -= mTopBottomRowHeightDiff;
+                    }
+                    anim.setFloat(taskView, taskView.getSecondaryDissmissTranslationProperty(),
+                            secondaryTranslation,
+                            clampToProgress(LINEAR, animationStartProgress, 1f));
+                    anim.setFloat(taskView, TaskView.FOCUS_TRANSITION, 0f,
+                            clampToProgress(LINEAR, 0f, ANIMATION_DISMISS_PROGRESS_MIDPOINT));
+                } else {
+                    float primaryTranslation =
+                            isFocusedTaskDismissed ? nextFocusedTaskWidth : dismissedTaskWidth;
+                    anim.setFloat(taskView, taskView.getPrimaryDismissTranslationProperty(),
+                            mIsRtl ? primaryTranslation : -primaryTranslation,
+                            clampToProgress(LINEAR, animationStartProgress, 1f));
                 }
             }
         }
@@ -2348,14 +2399,15 @@
 
         // Add a tiny bit of translation Z, so that it draws on top of other views
         if (animateTaskView) {
-            taskView.setTranslationZ(0.1f);
+            dismissedTaskView.setTranslationZ(0.1f);
         }
 
         mPendingAnimation = anim;
+        final TaskView finalNextFocusedTaskView = nextFocusedTaskView;
         mPendingAnimation.addEndListener(new Consumer<Boolean>() {
             @Override
             public void accept(Boolean success) {
-                if (LIVE_TILE.get() && mEnableDrawingLiveTile && taskView.isRunningTask()
+                if (LIVE_TILE.get() && mEnableDrawingLiveTile && dismissedTaskView.isRunningTask()
                         && success) {
                     finishRecentsAnimation(true /* toRecents */, false /* shouldPip */,
                             () -> onEnd(success));
@@ -2368,16 +2420,15 @@
             private void onEnd(boolean success) {
                 if (success) {
                     if (shouldRemoveTask) {
-                        if (taskView.getTask() != null) {
+                        if (dismissedTaskView.getTask() != null) {
                             finishRecentsAnimation(true /* toRecents */, false /* shouldPip */,
                                     () -> {
                                 UI_HELPER_EXECUTOR.getHandler().postDelayed(() ->
                                         ActivityManagerWrapper.getInstance().removeTask(
-                                                taskView.getTask().key.id),
-                                        REMOVE_TASK_WAIT_FOR_APP_STOP_MS);
+                                                dismissedTaskId), REMOVE_TASK_WAIT_FOR_APP_STOP_MS);
                             });
                             mActivity.getStatsLogManager().logger()
-                                    .withItemInfo(taskView.getItemInfo())
+                                    .withItemInfo(dismissedTaskView.getItemInfo())
                                     .log(LAUNCHER_TASK_DISMISS_SWIPE_UP);
                         }
                     }
@@ -2387,32 +2438,32 @@
                     resetTaskVisuals();
 
                     int pageToSnapTo = mCurrentPage;
-                    // Snap to start if focused task was dismissed, as after quick switch it could
-                    // be at any page but the focused task always displays at the start.
-                    if (taskView.getTask().key.id == mFocusedTaskId) {
-                        pageToSnapTo = mTaskViewStartIndex;
-                    } else if (draggedIndex < pageToSnapTo || pageToSnapTo == (getTaskViewCount()
-                            - 1)) {
+                    if (finalNextFocusedTaskView != null) {
+                        pageToSnapTo = indexOfChild(finalNextFocusedTaskView);
+                    }
+                    if (dismissedIndex < pageToSnapTo || pageToSnapTo == (taskCount - 1)) {
                         pageToSnapTo -= 1;
                     }
-                    removeViewInLayout(taskView);
+                    removeViewInLayout(dismissedTaskView);
+                    mTopRowIdSet.remove(dismissedTaskId);
 
-                    if (getTaskViewCount() == 0) {
+                    if (taskCount == 1) {
                         removeViewInLayout(mClearAllButton);
                         startHome();
                     } else {
+                        // Update focus task and its size.
+                        if (finalNextFocusedTaskView != null) {
+                            mFocusedTaskId = finalNextFocusedTaskView.getTaskId();
+                            mTopRowIdSet.remove(mFocusedTaskId);
+                            finalNextFocusedTaskView.animateIconScaleAndDimIntoView();
+                            setCurrentPage(pageToSnapTo);
+                        }
+                        updateTaskSize(true);
+                        // Update scroll and snap to page.
+                        updateScrollSynchronously();
                         snapToPageImmediately(pageToSnapTo);
                         dispatchScrollChanged();
-                        // Grid got messed up, reapply.
-                        updateGridProperties(true);
-                        if (showAsGrid() && getFocusedTaskView() == null
-                                && mActionsView.getVisibilityAlpha().getValue() == 1) {
-                            animateActionsViewOut();
-                        }
                     }
-                    // Update the layout synchronously so that the position of next view is
-                    // immediately available.
-                    onLayout(false /*  changed */, getLeft(), getTop(), getRight(), getBottom());
                 }
                 onDismissAnimationEnds();
                 mPendingAnimation = null;
@@ -2448,7 +2499,8 @@
         int taskCount = getTaskViewCount();
         for (int i = 0; i < taskCount; i++) {
             TaskView taskView = getTaskViewAt(i);
-            if (taskView == mSplitHiddenTaskView && taskView != getFocusedTaskView()) {
+            if (taskView == mSplitHiddenTaskView
+                    && !(showAsGrid() && taskView == getFocusedTaskView())) {
                 // Case where the hidden task view would have overlapped w/ placeholder,
                 // but because it's going to hide we don't care
                 // TODO (b/187312247) edge case for thumbnails that are off screen but scroll on
@@ -2596,7 +2648,7 @@
         mContentAlpha = alpha;
         for (int i = getTaskViewCount() - 1; i >= 0; i--) {
             TaskView child = getTaskViewAt(i);
-            if (!mRunningTaskTileHidden || child.getTask().key.id != mRunningTaskId) {
+            if (!mRunningTaskTileHidden || child.getTaskId() != mRunningTaskId) {
                 child.setStableAlpha(alpha);
             }
         }
@@ -2733,6 +2785,12 @@
 
     @Override
     protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
+        // If we're going to HOME, avoid unnecessary onLayout that cause TaskViews to re-arrange
+        // during animation to HOME.
+        if (mCurrentGestureEndTarget == GestureState.GestureEndTarget.HOME) {
+            return;
+        }
+
         super.onLayout(changed, left, top, right, bottom);
 
         updateEmptyStateUi(changed);
@@ -2828,6 +2886,12 @@
             outRect.offset(taskView.getPersistentTranslationX(),
                     taskView.getPersistentTranslationY());
             outRect.top += mActivity.getDeviceProfile().overviewTaskThumbnailTopMarginPx;
+
+            mTempMatrix.reset();
+            float persistentScale = taskView.getPersistentScale();
+            mTempMatrix.postScale(persistentScale, persistentScale,
+                    mIsRtl ? outRect.right : outRect.left, outRect.top);
+            mTempMatrix.mapRect(outRect);
         }
         outRect.offset(mOrientationHandler.getPrimaryValue(-midPointScroll, 0),
                 mOrientationHandler.getSecondaryValue(-midPointScroll, 0));
@@ -3422,9 +3486,13 @@
     }
 
     /**
-     * Updates page scroll synchronously and layout child views.
+     * Updates page scroll synchronously after measure and layout child views.
      */
     public void updateScrollSynchronously() {
+        // onMeasure is needed to update child's measured width which is used in scroll calculation,
+        // in case TaskView sizes has changed when being focused/unfocused.
+        onMeasure(makeMeasureSpec(getMeasuredWidth(), EXACTLY),
+                makeMeasureSpec(getMeasuredHeight(), EXACTLY));
         onLayout(false /*  changed */, getLeft(), getTop(), getRight(), getBottom());
         updateMinAndMaxScrollX();
     }
@@ -3622,6 +3690,7 @@
     public void setOverviewGridEnabled(boolean overviewGridEnabled) {
         if (mOverviewGridEnabled != overviewGridEnabled) {
             mOverviewGridEnabled = overviewGridEnabled;
+            updateActionsViewScrollAlpha();
             // Request layout to ensure scroll position is recalculated with updated mGridProgress.
             requestLayout();
         }
@@ -3767,11 +3836,6 @@
                 && mCurrentGestureEndTarget != GestureState.GestureEndTarget.RECENTS;
     }
 
-    public boolean shouldShowOverviewActionsForState(STATE_TYPE state) {
-        return !state.displayOverviewTasksAsGrid(mActivity.getDeviceProfile())
-                || getFocusedTaskView() != null;
-    }
-
     /**
      * Used to register callbacks for when our empty message state changes.
      *
diff --git a/quickstep/src/com/android/quickstep/views/TaskThumbnailView.java b/quickstep/src/com/android/quickstep/views/TaskThumbnailView.java
index f730d2d..df195d7 100644
--- a/quickstep/src/com/android/quickstep/views/TaskThumbnailView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskThumbnailView.java
@@ -421,7 +421,9 @@
      */
     public static class PreviewPositionHelper {
 
-        // Contains the portion of the thumbnail that is clipped when fullscreen progress = 0.
+        private static final RectF EMPTY_RECT_F = new RectF();
+
+        // Contains the portion of the thumbnail that is unclipped when fullscreen progress = 1.
         private final RectF mClippedInsets = new RectF();
         private final Matrix mMatrix = new Matrix();
         private boolean mIsOrientationChanged;
@@ -626,15 +628,17 @@
                     break;
             }
             mClippedInsets.offsetTo(newLeftInset * scale, newTopInset * scale);
-            mMatrix.postTranslate(translateX - mClippedInsets.left,
-                    translateY - mClippedInsets.top);
+            mMatrix.postTranslate(translateX, translateY);
+            if (TaskView.FULL_THUMBNAIL) {
+                mMatrix.postTranslate(-mClippedInsets.left, -mClippedInsets.top);
+            }
         }
 
         /**
          * Insets to used for clipping the thumbnail (in case it is drawing outside its own space)
          */
         public RectF getInsetsToDrawInFullscreen() {
-            return mClippedInsets;
+            return TaskView.FULL_THUMBNAIL ? mClippedInsets : EMPTY_RECT_F;
         }
     }
 }
diff --git a/quickstep/src/com/android/quickstep/views/TaskView.java b/quickstep/src/com/android/quickstep/views/TaskView.java
index b2a7b1b..8ed6c14 100644
--- a/quickstep/src/com/android/quickstep/views/TaskView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskView.java
@@ -147,13 +147,18 @@
      */
     public static final boolean CLIP_STATUS_AND_NAV_BARS = false;
 
+    /**
+     * Should the TaskView scale down to fit whole thumbnail in fullscreen.
+     */
+    public static final boolean FULL_THUMBNAIL = false;
+
     private static final float EDGE_SCALE_DOWN_FACTOR_CAROUSEL = 0.03f;
     private static final float EDGE_SCALE_DOWN_FACTOR_GRID = 0.00f;
 
     public static final long SCALE_ICON_DURATION = 120;
     private static final long DIM_ANIM_DURATION = 700;
 
-    private static final Interpolator FULLSCREEN_INTERPOLATOR = ACCEL_DEACCEL;
+    private static final Interpolator GRID_INTERPOLATOR = ACCEL_DEACCEL;
 
     /**
      * This technically can be a vanilla {@link TouchDelegate} class, however that class requires
@@ -167,7 +172,7 @@
     private static final List<Rect> SYSTEM_GESTURE_EXCLUSION_RECT =
             Collections.singletonList(new Rect());
 
-    private static final FloatProperty<TaskView> FOCUS_TRANSITION =
+    public static final FloatProperty<TaskView> FOCUS_TRANSITION =
             new FloatProperty<TaskView>("focusTransition") {
                 @Override
                 public void setValue(TaskView taskView, float v) {
@@ -284,55 +289,42 @@
                 }
             };
 
-    private static final FloatProperty<TaskView> FULLSCREEN_TRANSLATION_X =
-            new FloatProperty<TaskView>("fullscreenTranslationX") {
+    private static final FloatProperty<TaskView> NON_GRID_TRANSLATION_X =
+            new FloatProperty<TaskView>("nonGridTranslationX") {
                 @Override
                 public void setValue(TaskView taskView, float v) {
-                    taskView.setFullscreenTranslationX(v);
+                    taskView.setNonGridTranslationX(v);
                 }
 
                 @Override
                 public Float get(TaskView taskView) {
-                    return taskView.mFullscreenTranslationX;
+                    return taskView.mNonGridTranslationX;
                 }
             };
 
-    private static final FloatProperty<TaskView> FULLSCREEN_TRANSLATION_Y =
-            new FloatProperty<TaskView>("fullscreenTranslationY") {
+    private static final FloatProperty<TaskView> NON_GRID_TRANSLATION_Y =
+            new FloatProperty<TaskView>("nonGridTranslationY") {
                 @Override
                 public void setValue(TaskView taskView, float v) {
-                    taskView.setFullscreenTranslationY(v);
+                    taskView.setNonGridTranslationY(v);
                 }
 
                 @Override
                 public Float get(TaskView taskView) {
-                    return taskView.mFullscreenTranslationY;
+                    return taskView.mNonGridTranslationY;
                 }
             };
 
-    private static final FloatProperty<TaskView> NON_FULLSCREEN_TRANSLATION_X =
-            new FloatProperty<TaskView>("nonFullscreenTranslationX") {
+    public static final FloatProperty<TaskView> SNAPSHOT_SCALE =
+            new FloatProperty<TaskView>("snapshotScale") {
                 @Override
                 public void setValue(TaskView taskView, float v) {
-                    taskView.setNonFullscreenTranslationX(v);
+                    taskView.setSnapshotScale(v);
                 }
 
                 @Override
                 public Float get(TaskView taskView) {
-                    return taskView.mNonFullscreenTranslationX;
-                }
-            };
-
-    private static final FloatProperty<TaskView> NON_FULLSCREEN_TRANSLATION_Y =
-            new FloatProperty<TaskView>("nonFullscreenTranslationY") {
-                @Override
-                public void setValue(TaskView taskView, float v) {
-                    taskView.setNonFullscreenTranslationY(v);
-                }
-
-                @Override
-                public Float get(TaskView taskView) {
-                    return taskView.mNonFullscreenTranslationY;
+                    return taskView.mSnapshotView.getScaleX();
                 }
             };
 
@@ -344,7 +336,7 @@
     private final DigitalWellBeingToast mDigitalWellBeingToast;
     private float mFullscreenProgress;
     private float mGridProgress;
-    private float mFullscreenScale = 1;
+    private float mNonGridScale = 1;
     private final FullscreenDrawParams mCurrentFullscreenParams;
     private final StatefulActivity mActivity;
 
@@ -356,16 +348,14 @@
     private float mTaskResistanceTranslationX;
     private float mTaskResistanceTranslationY;
     // The following translation variables should only be used in the same orientation as Launcher.
-    private float mFullscreenTranslationX;
-    private float mFullscreenTranslationY;
-    // Applied as a complement to fullscreenTranslation, for adjusting the carousel overview, or the
-    // in transition carousel before forming the grid on tablets.
-    private float mNonFullscreenTranslationX;
-    private float mNonFullscreenTranslationY;
     private float mBoxTranslationY;
     // The following grid translations scales with mGridProgress.
     private float mGridTranslationX;
     private float mGridTranslationY;
+    // Applied as a complement to gridTranslation, for adjusting the carousel overview and quick
+    // switch.
+    private float mNonGridTranslationX;
+    private float mNonGridTranslationY;
     // Used when in SplitScreenSelectState
     private float mSplitSelectTranslationY;
     private float mSplitSelectTranslationX;
@@ -524,8 +514,8 @@
         return mTask;
     }
 
-    public boolean hasTaskId(int taskId) {
-        return mTask != null && mTask.key != null && mTask.key.id == taskId;
+    public int getTaskId() {
+        return mTask != null && mTask.key != null ? mTask.key.id : -1;
     }
 
     public TaskThumbnailView getThumbnail() {
@@ -847,6 +837,7 @@
                 mSplitSelectTranslationX = 0f;
         mDismissTranslationY = mTaskOffsetTranslationY = mTaskResistanceTranslationY =
                 mSplitSelectTranslationY = 0f;
+        setSnapshotScale(1f);
         applyTranslationX();
         applyTranslationY();
         setTranslationZ(0);
@@ -862,9 +853,8 @@
 
     @Override
     public void onRecycle() {
-        mFullscreenTranslationX = mFullscreenTranslationY = mNonFullscreenTranslationX =
-                mNonFullscreenTranslationY = mGridTranslationX = mGridTranslationY =
-                        mBoxTranslationY = 0f;
+        mNonGridTranslationX = mNonGridTranslationY =
+                mGridTranslationX = mGridTranslationY = mBoxTranslationY = 0f;
         resetViewTransforms();
         // Clear any references to the thumbnail (it will be re-read either from the cache or the
         // system on next bind)
@@ -926,6 +916,9 @@
         if (mActivity.getDeviceProfile().isTablet && FeatureFlags.ENABLE_OVERVIEW_GRID.get()) {
             setPivotX(getLayoutDirection() == LAYOUT_DIRECTION_RTL ? 0 : right - left);
             setPivotY(mSnapshotView.getTop());
+            mSnapshotView.setPivotX(
+                    getLayoutDirection() == LAYOUT_DIRECTION_RTL ? 0 : right - left);
+            mSnapshotView.setPivotY(0);
         } else {
             setPivotX((right - left) * 0.5f);
             setPivotY(mSnapshotView.getTop() + mSnapshotView.getHeight() * 0.5f);
@@ -947,13 +940,18 @@
         }
     }
 
-    private void setFullscreenScale(float fullscreenScale) {
-        mFullscreenScale = fullscreenScale;
+    private void setNonGridScale(float nonGridScale) {
+        mNonGridScale = nonGridScale;
         applyScale();
     }
 
-    public float getFullscreenScale() {
-        return mFullscreenScale;
+    public float getNonGridScale() {
+        return mNonGridScale;
+    }
+
+    private void setSnapshotScale(float dismissScale) {
+        mSnapshotView.setScaleX(dismissScale);
+        mSnapshotView.setScaleY(dismissScale);
     }
 
     /**
@@ -970,12 +968,22 @@
 
     private void applyScale() {
         float scale = 1;
-        float fullScreenProgress = FULLSCREEN_INTERPOLATOR.getInterpolation(mFullscreenProgress);
-        scale *= Utilities.mapRange(fullScreenProgress, 1f, mFullscreenScale);
+        scale *= getPersistentScale();
         setScaleX(scale);
         setScaleY(scale);
     }
 
+    /**
+     * Returns multiplication of scale that is persistent (e.g. fullscreen and grid), and does not
+     * change according to a temporary state.
+     */
+    public float getPersistentScale() {
+        float scale = 1;
+        float gridProgress = GRID_INTERPOLATOR.getInterpolation(mGridProgress);
+        scale *= Utilities.mapRange(gridProgress, mNonGridScale, 1f);
+        return scale;
+    }
+
     private void setSplitSelectTranslationX(float x) {
         mSplitSelectTranslationX = x;
         applyTranslationX();
@@ -1015,23 +1023,13 @@
         applyTranslationY();
     }
 
-    private void setFullscreenTranslationX(float fullscreenTranslationX) {
-        mFullscreenTranslationX = fullscreenTranslationX;
+    private void setNonGridTranslationX(float nonGridTranslationX) {
+        mNonGridTranslationX = nonGridTranslationX;
         applyTranslationX();
     }
 
-    private void setFullscreenTranslationY(float fullscreenTranslationY) {
-        mFullscreenTranslationY = fullscreenTranslationY;
-        applyTranslationY();
-    }
-
-    private void setNonFullscreenTranslationX(float nonFullscreenTranslationX) {
-        mNonFullscreenTranslationX = nonFullscreenTranslationX;
-        applyTranslationX();
-    }
-
-    private void setNonFullscreenTranslationY(float nonFullscreenTranslationY) {
-        mNonFullscreenTranslationY = nonFullscreenTranslationY;
+    private void setNonGridTranslationY(float nonGridTranslationY) {
+        mNonGridTranslationY = nonGridTranslationY;
         applyTranslationY();
     }
 
@@ -1055,13 +1053,10 @@
 
     public float getScrollAdjustment(boolean fullscreenEnabled, boolean gridEnabled) {
         float scrollAdjustment = 0;
-        if (fullscreenEnabled) {
-            scrollAdjustment += getPrimaryFullscreenTranslationProperty().get(this);
-        } else {
-            scrollAdjustment += getPrimaryNonFullscreenTranslationProperty().get(this);
-        }
         if (gridEnabled) {
             scrollAdjustment += mGridTranslationX;
+        } else {
+            scrollAdjustment += getPrimaryNonGridTranslationProperty().get(this);
         }
         return scrollAdjustment;
     }
@@ -1073,7 +1068,7 @@
     public float getSizeAdjustment(boolean fullscreenEnabled) {
         float sizeAdjustment = 1;
         if (fullscreenEnabled) {
-            sizeAdjustment *= mFullscreenScale;
+            sizeAdjustment *= mNonGridScale;
         }
         return sizeAdjustment;
     }
@@ -1098,9 +1093,7 @@
      * change according to a temporary state (e.g. task offset).
      */
     public float getPersistentTranslationX() {
-        return getFullscreenTrans(mFullscreenTranslationX)
-                + getNonFullscreenTrans(mNonFullscreenTranslationX)
-                + getGridTrans(mGridTranslationX);
+        return getNonGridTrans(mNonGridTranslationX) + getGridTrans(mGridTranslationX);
     }
 
     /**
@@ -1109,8 +1102,7 @@
      */
     public float getPersistentTranslationY() {
         return mBoxTranslationY
-                + getFullscreenTrans(mFullscreenTranslationY)
-                + getNonFullscreenTrans(mNonFullscreenTranslationY)
+                + getNonGridTrans(mNonGridTranslationY)
                 + getGridTrans(mGridTranslationY);
     }
 
@@ -1144,24 +1136,14 @@
                 TASK_RESISTANCE_TRANSLATION_X, TASK_RESISTANCE_TRANSLATION_Y);
     }
 
-    public FloatProperty<TaskView> getPrimaryFullscreenTranslationProperty() {
+    public FloatProperty<TaskView> getPrimaryNonGridTranslationProperty() {
         return getPagedOrientationHandler().getPrimaryValue(
-                FULLSCREEN_TRANSLATION_X, FULLSCREEN_TRANSLATION_Y);
+                NON_GRID_TRANSLATION_X, NON_GRID_TRANSLATION_Y);
     }
 
-    public FloatProperty<TaskView> getSecondaryFullscreenTranslationProperty() {
+    public FloatProperty<TaskView> getSecondaryNonGridTranslationProperty() {
         return getPagedOrientationHandler().getSecondaryValue(
-                FULLSCREEN_TRANSLATION_X, FULLSCREEN_TRANSLATION_Y);
-    }
-
-    public FloatProperty<TaskView> getPrimaryNonFullscreenTranslationProperty() {
-        return getPagedOrientationHandler().getPrimaryValue(
-                NON_FULLSCREEN_TRANSLATION_X, NON_FULLSCREEN_TRANSLATION_Y);
-    }
-
-    public FloatProperty<TaskView> getSecondaryNonFullscreenTranslationProperty() {
-        return getPagedOrientationHandler().getSecondaryValue(
-                NON_FULLSCREEN_TRANSLATION_X, NON_FULLSCREEN_TRANSLATION_Y);
+                NON_GRID_TRANSLATION_X, NON_GRID_TRANSLATION_Y);
     }
 
     @Override
@@ -1299,19 +1281,9 @@
         mIconView.setVisibility(progress < 1 ? VISIBLE : INVISIBLE);
         getThumbnail().getTaskOverlay().setFullscreenProgress(progress);
 
-        applyTranslationX();
-        applyTranslationY();
-        applyScale();
-
         TaskThumbnailView thumbnail = getThumbnail();
         updateCurrentFullscreenParams(thumbnail.getPreviewPositionHelper());
 
-        if (!getRecentsView().isTaskIconScaledDown(this)) {
-            // Some of the items in here are dependent on the current fullscreen params, but don't
-            // update them if the icon is supposed to be scaled down.
-            setIconScaleAndDim(progress, true /* invert */);
-        }
-
         thumbnail.setFullscreenParams(mCurrentFullscreenParams);
         mOutlineProvider.updateParams(
                 mCurrentFullscreenParams,
@@ -1326,6 +1298,7 @@
         mCurrentFullscreenParams.setProgress(
                 mFullscreenProgress,
                 getRecentsView().getScaleX(),
+                getScaleX(),
                 getWidth(), mActivity.getDeviceProfile(),
                 previewPositionHelper);
     }
@@ -1336,7 +1309,7 @@
      */
     void updateTaskSize() {
         ViewGroup.LayoutParams params = getLayoutParams();
-        float fullscreenScale;
+        float nonGridScale;
         float boxTranslationY;
         int expectedWidth;
         int expectedHeight;
@@ -1349,56 +1322,36 @@
 
             int boxWidth;
             int boxHeight;
-            float thumbnailRatio;
             boolean isFocusedTask = isFocusedTask();
             if (isFocusedTask) {
                 // Task will be focused and should use focused task size. Use focusTaskRatio
                 // that is associated with the original orientation of the focused task.
                 boxWidth = taskWidth;
                 boxHeight = taskHeight;
-                thumbnailRatio = getRecentsView().getFocusedTaskRatio();
             } else {
                 // Otherwise task is in grid, and should use lastComputedGridTaskSize.
                 Rect lastComputedGridTaskSize = getRecentsView().getLastComputedGridTaskSize();
                 boxWidth = lastComputedGridTaskSize.width();
                 boxHeight = lastComputedGridTaskSize.height();
-                thumbnailRatio = mTask != null ? mTask.getVisibleThumbnailRatio(
-                        TaskView.CLIP_STATUS_AND_NAV_BARS) : 0f;
             }
-            int boxLength = Math.max(boxWidth, boxHeight);
 
             // Bound width/height to the box size.
-            if (thumbnailRatio == 0f) {
-                expectedWidth = boxWidth;
-                expectedHeight = boxHeight + thumbnailPadding;
-            } else if (thumbnailRatio > 1) {
-                expectedWidth = boxLength;
-                expectedHeight = (int) (boxLength / thumbnailRatio) + thumbnailPadding;
-            } else {
-                expectedWidth = (int) (boxLength * thumbnailRatio);
-                expectedHeight = boxLength + thumbnailPadding;
-            }
+            expectedWidth = boxWidth;
+            expectedHeight = boxHeight + thumbnailPadding;
 
             // Scale to to fit task Rect.
-            fullscreenScale = taskWidth / (float) boxWidth;
-
-            // In full screen, scale back TaskView to original size.
-            if (expectedWidth > boxWidth) {
-                fullscreenScale *= boxWidth / (float) expectedWidth;
-            } else if (expectedHeight - thumbnailPadding > boxHeight) {
-                fullscreenScale *= boxHeight / (float) (expectedHeight - thumbnailPadding);
-            }
+            nonGridScale = taskWidth / (float) boxWidth;
 
             // Align to top of task Rect.
             boxTranslationY = (expectedHeight - thumbnailPadding - taskHeight) / 2.0f;
         } else {
-            fullscreenScale = 1f;
+            nonGridScale = 1f;
             boxTranslationY = 0f;
             expectedWidth = ViewGroup.LayoutParams.MATCH_PARENT;
             expectedHeight = ViewGroup.LayoutParams.MATCH_PARENT;
         }
 
-        setFullscreenScale(fullscreenScale);
+        setNonGridScale(nonGridScale);
         setBoxTranslationY(boxTranslationY);
         if (params.width != expectedWidth || params.height != expectedHeight) {
             params.width = expectedWidth;
@@ -1407,20 +1360,15 @@
         }
     }
 
-    private float getFullscreenTrans(float endTranslation) {
-        float progress = FULLSCREEN_INTERPOLATOR.getInterpolation(mFullscreenProgress);
-        return Utilities.mapRange(progress, 0, endTranslation);
-    }
-
-    private float getNonFullscreenTrans(float endTranslation) {
-        return endTranslation - getFullscreenTrans(endTranslation);
-    }
-
     private float getGridTrans(float endTranslation) {
-        float progress = ACCEL_DEACCEL.getInterpolation(mGridProgress);
+        float progress = GRID_INTERPOLATOR.getInterpolation(mGridProgress);
         return Utilities.mapRange(progress, 0, endTranslation);
     }
 
+    private float getNonGridTrans(float endTranslation) {
+        return endTranslation - getGridTrans(endTranslation);
+    }
+
     public boolean isRunningTask() {
         if (getRecentsView() == null) {
             return false;
@@ -1487,8 +1435,8 @@
         /**
          * Sets the progress in range [0, 1]
          */
-        public void setProgress(float fullscreenProgress, float parentScale, int previewWidth,
-                DeviceProfile dp, PreviewPositionHelper pph) {
+        public void setProgress(float fullscreenProgress, float parentScale, float taskViewScale,
+                int previewWidth, DeviceProfile dp, PreviewPositionHelper pph) {
             RectF insets = pph.getInsetsToDrawInFullscreen();
 
             float currentInsetsLeft = insets.left * fullscreenProgress;
@@ -1499,7 +1447,7 @@
 
             mCurrentDrawnCornerRadius =
                     Utilities.mapRange(fullscreenProgress, mCornerRadius, fullscreenCornerRadius)
-                            / parentScale;
+                            / parentScale / taskViewScale;
 
             // We scaled the thumbnail to fit the content (excluding insets) within task view width.
             // Now that we are drawing left/right insets again, we need to scale down to fit them.
diff --git a/quickstep/tests/src/com/android/quickstep/NavigationBarRotationContextTest.java b/quickstep/tests/src/com/android/quickstep/NavigationBarRotationContextTest.java
new file mode 100644
index 0000000..af5819a
--- /dev/null
+++ b/quickstep/tests/src/com/android/quickstep/NavigationBarRotationContextTest.java
@@ -0,0 +1,123 @@
+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.quickstep;
+
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+
+import android.content.Context;
+import android.graphics.drawable.AnimatedVectorDrawable;
+import android.view.View;
+import android.view.WindowInsetsController;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.launcher3.taskbar.contextual.RotationButton;
+import com.android.launcher3.taskbar.contextual.RotationButtonController;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.MockitoAnnotations;
+
+/** SysUI equivalent */
+@SmallTest
+@RunWith(AndroidJUnit4.class)
+public class NavigationBarRotationContextTest {
+    private static final int DEFAULT_ROTATE = 0;
+    private static final int DEFAULT_DISPLAY = 0;
+
+
+    private RotationButtonController mRotationButtonController;
+
+    @Before
+    public void setup() {
+        MockitoAnnotations.initMocks(this);
+        Context mTargetContext = InstrumentationRegistry.getTargetContext();
+        final View view = new View(mTargetContext);
+        RotationButton rotationButton = mock(RotationButton.class);
+        mRotationButtonController = new RotationButtonController(mTargetContext, 0, 0);
+        mRotationButtonController.setRotationButton(rotationButton);
+        // Due to a mockito issue, only spy the object after setting the initial state
+        mRotationButtonController = spy(mRotationButtonController);
+        final AnimatedVectorDrawable kbd = mock(AnimatedVectorDrawable.class);
+        doReturn(view).when(rotationButton).getCurrentView();
+        doReturn(true).when(rotationButton).acceptRotationProposal();
+    }
+
+    @Test
+    public void testOnInvalidRotationProposal() {
+        mRotationButtonController.onRotationProposal(DEFAULT_ROTATE + 1,
+                false /* isValid */);
+        verify(mRotationButtonController, times(1))
+                .setRotateSuggestionButtonState(false /* visible */);
+    }
+
+    @Test
+    public void testOnSameRotationProposal() {
+        mRotationButtonController.onRotationProposal(DEFAULT_ROTATE,
+                true /* isValid */);
+        verify(mRotationButtonController, times(1))
+                .setRotateSuggestionButtonState(false /* visible */);
+    }
+
+    @Test
+    public void testOnRotationProposalShowButtonShowNav() {
+        // No navigation bar should not call to set visibility state
+        mRotationButtonController.onBehaviorChanged(DEFAULT_DISPLAY,
+                WindowInsetsController.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE);
+        mRotationButtonController.onTaskBarVisibilityChange(false /* showing */);
+        verify(mRotationButtonController, times(0)).setRotateSuggestionButtonState(
+                false /* visible */);
+        verify(mRotationButtonController, times(0)).setRotateSuggestionButtonState(
+                true /* visible */);
+
+        // No navigation bar with rotation change should not call to set visibility state
+        mRotationButtonController.onRotationProposal(DEFAULT_ROTATE + 1,
+                true /* isValid */);
+        verify(mRotationButtonController, times(0)).setRotateSuggestionButtonState(
+                false /* visible */);
+        verify(mRotationButtonController, times(0)).setRotateSuggestionButtonState(
+                true /* visible */);
+
+        // Since rotation has changed rotation should be pending, show mButton when showing nav bar
+        mRotationButtonController.onTaskBarVisibilityChange(true /* showing */);
+        verify(mRotationButtonController, times(1)).setRotateSuggestionButtonState(
+                true /* visible */);
+    }
+
+    @Test
+    public void testOnRotationProposalShowButton() {
+        // Navigation bar being visible should not call to set visibility state
+        mRotationButtonController.onTaskBarVisibilityChange(true /* showing */);
+        verify(mRotationButtonController, times(0))
+                .setRotateSuggestionButtonState(false /* visible */);
+        verify(mRotationButtonController, times(0))
+                .setRotateSuggestionButtonState(true /* visible */);
+
+        // Navigation bar is visible and rotation requested
+        mRotationButtonController.onRotationProposal(DEFAULT_ROTATE + 1,
+                true /* isValid */);
+        verify(mRotationButtonController, times(1))
+                .setRotateSuggestionButtonState(true /* visible */);
+    }
+}
diff --git a/res/color-v31/home_settings_switch_thumb_color.xml b/res/color-v31/home_settings_switch_thumb_color.xml
new file mode 100644
index 0000000..91d3d9b
--- /dev/null
+++ b/res/color-v31/home_settings_switch_thumb_color.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright (C) 2021 The Android Open Source Project
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <!-- Disabled status of thumb -->
+    <item android:state_enabled="false"
+        android:color="@color/home_settings_thumb_off_color" />
+    <!-- Toggle off status of thumb -->
+    <item android:state_checked="false"
+        android:color="@color/home_settings_thumb_off_color" />
+    <!-- Enabled or toggle on status of thumb -->
+    <item android:color="@color/home_settings_state_on_color" />
+</selector>
diff --git a/res/color-v31/home_settings_switch_track_color.xml b/res/color-v31/home_settings_switch_track_color.xml
new file mode 100644
index 0000000..50784f5
--- /dev/null
+++ b/res/color-v31/home_settings_switch_track_color.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright (C) 2021 The Android Open Source Project
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <!-- Disabled status of thumb -->
+    <item android:state_enabled="false"
+        android:color="@color/home_settings_track_off_color"
+        android:alpha="?android:attr/disabledAlpha" />
+    <!-- Toggle off status of thumb -->
+    <item android:state_checked="false"
+        android:color="@color/home_settings_track_off_color" />
+    <!-- Enabled or toggle on status of thumb -->
+    <item android:color="@color/home_settings_track_on_color" />
+</selector>
diff --git a/res/drawable-v31/home_settings_switch_thumb.xml b/res/drawable-v31/home_settings_switch_thumb.xml
new file mode 100644
index 0000000..260d5ea
--- /dev/null
+++ b/res/drawable-v31/home_settings_switch_thumb.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright (C) 2021 The Android Open Source Project
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:top="4dp"
+        android:left="4dp"
+        android:right="4dp"
+        android:bottom="4dp">
+        <shape android:shape="oval" >
+            <size android:height="20dp" android:width="20dp" />
+            <solid android:color="@color/home_settings_switch_thumb_color" />
+        </shape>
+    </item>
+</layer-list>
\ No newline at end of file
diff --git a/res/drawable-v31/home_settings_switch_track.xml b/res/drawable-v31/home_settings_switch_track.xml
new file mode 100644
index 0000000..502a300
--- /dev/null
+++ b/res/drawable-v31/home_settings_switch_track.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright (C) 2021 The Android Open Source Project
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<shape
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle"
+    android:width="52dp"
+    android:height="28dp">
+
+    <solid android:color="@color/home_settings_switch_track_color" />
+    <corners android:radius="35dp" />
+</shape>
\ No newline at end of file
diff --git a/res/layout-v31/settings_activity.xml b/res/layout-v31/settings_activity.xml
new file mode 100644
index 0000000..59e14f2
--- /dev/null
+++ b/res/layout-v31/settings_activity.xml
@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright (C) 2021 The Android Open Source Project
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+<androidx.coordinatorlayout.widget.CoordinatorLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/content_parent"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:fitsSystemWindows="true">
+
+    <com.google.android.material.appbar.AppBarLayout
+        android:id="@+id/app_bar"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="?android:attr/colorPrimary"
+        android:fitsSystemWindows="true"
+        android:outlineAmbientShadowColor="@android:color/transparent"
+        android:outlineSpotShadowColor="@android:color/transparent"
+        android:theme="@style/HomeSettings.CollapsingToolbar">
+
+        <com.google.android.material.appbar.CollapsingToolbarLayout
+            android:id="@+id/collapsing_toolbar"
+            android:layout_width="match_parent"
+            android:layout_height="226dp"
+            android:clipToPadding="false"
+            app:collapsedTitleTextAppearance="@style/HomeSettings.CollapsedToolbarTitle"
+            app:contentScrim="@color/home_settings_header_collapsed"
+            app:expandedTitleMarginEnd="24dp"
+            app:expandedTitleMarginStart="24dp"
+            app:expandedTitleTextAppearance="@style/HomeSettings.ExpandedToolbarTitle"
+            app:layout_scrollFlags="scroll|exitUntilCollapsed|snap"
+            app:maxLines="3"
+            app:scrimAnimationDuration="50"
+            app:scrimVisibleHeightTrigger="174dp"
+            app:statusBarScrim="@null"
+            app:titleCollapseMode="fade"
+            app:toolbarId="@id/action_bar">
+
+            <Toolbar
+                android:id="@+id/action_bar"
+                android:layout_width="match_parent"
+                android:layout_height="?attr/actionBarSize"
+                android:theme="?android:attr/actionBarTheme"
+                android:transitionName="shared_element_view"
+                app:layout_collapseMode="pin" />
+
+        </com.google.android.material.appbar.CollapsingToolbarLayout>
+    </com.google.android.material.appbar.AppBarLayout>
+
+    <FrameLayout
+        android:id="@+id/content_frame"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layout_behavior="@string/appbar_scrolling_view_behavior" />
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
\ No newline at end of file
diff --git a/res/values-night-v31/colors.xml b/res/values-night-v31/colors.xml
new file mode 100644
index 0000000..2c1bc90
--- /dev/null
+++ b/res/values-night-v31/colors.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+/*
+* Copyright (C) 2021 The Android Open Source Project
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*      http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+-->
+
+<resources>
+    <color name="home_settings_header_accent">@android:color/system_accent1_100</color>
+    <color name="home_settings_header_collapsed">@android:color/system_neutral1_700</color>
+    <color name="home_settings_header_expanded">@android:color/system_neutral1_900</color>
+
+    <color name="home_settings_thumb_off_color">@android:color/system_neutral2_300</color>
+    <color name="home_settings_track_on_color">@android:color/system_accent2_700</color>
+    <color name="home_settings_track_off_color">@android:color/system_neutral1_700</color>
+</resources>
\ No newline at end of file
diff --git a/res/values-v31/colors.xml b/res/values-v31/colors.xml
index 38a0894..dc0c7a0 100644
--- a/res/values-v31/colors.xml
+++ b/res/values-v31/colors.xml
@@ -40,4 +40,16 @@
     <color name="folder_background_dark" android:lstar="30">@android:color/system_neutral2_800</color>
   
     <color name="folder_dot_color">@android:color/system_accent2_50</color>
+
+
+    <color name="home_settings_header_accent">@android:color/system_accent1_600</color>
+    <color name="home_settings_header_collapsed">@android:color/system_neutral1_100</color>
+    <color name="home_settings_header_expanded">@android:color/system_neutral1_50</color>
+
+    <color name="home_settings_state_on_color">@android:color/system_accent1_100</color>
+    <color name="home_settings_state_off_color">@android:color/system_accent2_100</color>
+    <color name="home_settings_thumb_off_color">@android:color/system_neutral2_100</color>
+    <color name="home_settings_track_on_color">@android:color/system_accent1_600</color>
+    <color name="home_settings_track_off_color">@android:color/system_neutral2_600</color>
+
 </resources>
diff --git a/res/values-v31/config.xml b/res/values-v31/config.xml
new file mode 100644
index 0000000..afb9e6d
--- /dev/null
+++ b/res/values-v31/config.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright (C) 2021 The Android Open Source Project
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+  -->
+<resources>
+    <bool name="home_settings_icon_space_reserved">false</bool>
+    <bool name="home_settings_allow_divider">false</bool>
+</resources>
\ No newline at end of file
diff --git a/res/values-v31/styles.xml b/res/values-v31/styles.xml
new file mode 100644
index 0000000..0d2fce0
--- /dev/null
+++ b/res/values-v31/styles.xml
@@ -0,0 +1,95 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+* Copyright (C) 2021 The Android Open Source Project
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*      http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+-->
+
+<resources>
+
+    <style name="HomeSettings.Theme" parent="@android:style/Theme.DeviceDefault.Settings">
+        <item name="android:listPreferredItemPaddingEnd">16dp</item>
+        <item name="android:listPreferredItemPaddingStart">24dp</item>
+        <item name="android:navigationBarColor">@android:color/transparent</item>
+        <item name="android:statusBarColor">@android:color/transparent</item>
+        <item name="android:switchStyle">@style/HomeSettings.SwitchStyle</item>
+        <item name="android:textAppearanceListItem">@style/HomeSettings.PreferenceTitle</item>
+        <item name="android:windowActionBar">false</item>
+        <item name="android:windowNoTitle">true</item>
+        <item name="preferenceTheme">@style/HomeSettings.PreferenceTheme</item>
+    </style>
+
+    <style name="HomeSettings.PreferenceTheme" parent="@style/PreferenceThemeOverlay">
+        <item name="preferenceCategoryStyle">@style/HomeSettings.CategoryStyle</item>
+        <item name="preferenceCategoryTitleTextAppearance">@style/HomeSettings.CategoryTitle</item>
+        <item name="preferenceFragmentCompatStyle">@style/HomeSettings.FragmentCompatStyle</item>
+        <item name="preferenceScreenStyle">@style/HomeSettings.PreferenceScreenStyle</item>
+        <item name="preferenceStyle">@style/HomeSettings.PreferenceStyle</item>
+        <item name="switchPreferenceStyle">@style/HomeSettings.SwitchPreferenceStyle</item>
+    </style>
+
+    <style name="HomeSettings.CategoryStyle" parent="@style/Preference.Category.Material">
+        <item name="allowDividerAbove">@bool/home_settings_allow_divider</item>
+        <item name="allowDividerBelow">@bool/home_settings_allow_divider</item>
+        <item name="iconSpaceReserved">@bool/home_settings_icon_space_reserved</item>
+    </style>
+
+    <style name="HomeSettings.PreferenceStyle" parent="@style/Preference.Material">
+        <item name="iconSpaceReserved">@bool/home_settings_icon_space_reserved</item>
+    </style>
+
+    <style name="HomeSettings.PreferenceScreenStyle"
+            parent="@style/Preference.PreferenceScreen.Material">
+        <item name="iconSpaceReserved">@bool/home_settings_icon_space_reserved</item>
+    </style>
+
+    <style name="HomeSettings.SwitchPreferenceStyle"
+            parent="@style/Preference.SwitchPreference.Material">
+        <item name="iconSpaceReserved">@bool/home_settings_icon_space_reserved</item>
+    </style>
+
+    <style name="HomeSettings.SwitchStyle"
+            parent="@android:style/Widget.Material.CompoundButton.Switch">
+        <item name="android:switchMinWidth">52dp</item>
+        <item name="android:thumb">@drawable/home_settings_switch_thumb</item>
+        <item name="android:track">@drawable/home_settings_switch_track</item>
+    </style>
+
+    <style name="HomeSettings.PreferenceTitle"
+            parent="@android:style/TextAppearance.Material.Subhead">
+        <item name="android:fontFamily">google-sans</item>
+        <item name="android:textSize">20sp</item>
+    </style>
+
+    <style name="HomeSettings.CategoryTitle" parent="@android:style/TextAppearance.Material.Body2">
+        <item name="android:fontFamily">google-sans-text-medium</item>
+    </style>
+
+    <style name="HomeSettings.CollapsingToolbar" parent="@style/Theme.MaterialComponents.DayNight">
+        <item name="colorAccent">@color/home_settings_header_accent</item>
+        <item name="colorPrimary">@color/home_settings_header_expanded</item>
+        <item name="elevationOverlayColor">?attr/colorPrimary</item>
+        <item name="elevationOverlayEnabled">true</item>
+    </style>
+
+    <style name="HomeSettings.CollapsedToolbarTitle"
+            parent="@android:style/TextAppearance.DeviceDefault.Widget.ActionBar.Title">
+        <item name="android:fontFamily">google-sans</item>
+    </style>
+
+    <style name="HomeSettings.ExpandedToolbarTitle" parent="HomeSettings.CollapsedToolbarTitle">
+        <item name="android:textSize">36sp</item>
+    </style>
+</resources>
\ No newline at end of file
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index e8d3212..c930480 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -305,6 +305,10 @@
 
 <!-- Taskbar related (placeholders to compile in Launcher3 without Quickstep) -->
     <dimen name="taskbar_size">0dp</dimen>
+    <dimen name="qsb_widget_height">0dp</dimen>
+    <dimen name="taskbar_icon_size">44dp</dimen>
+    <!-- Note that this applies to both sides of all icons, so visible space is double this. -->
+    <dimen name="taskbar_icon_spacing">8dp</dimen>
 
     <!-- Size of the maximum radius for the enforced rounded rectangles. -->
     <dimen name="enforced_rounded_corner_max_radius">16dp</dimen>
diff --git a/res/values/styles.xml b/res/values/styles.xml
index 6f7d727..38bc272 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -154,18 +154,18 @@
     <style name="AppTheme.Dark.DarkMainColor" parent="@style/LauncherTheme.Dark.DarkMainColor" />
     <style name="AppTheme.Dark.DarkText" parent="@style/LauncherTheme.Dark.DarkText" />
 
-    <style name="HomeSettingsTheme" parent="@android:style/Theme.DeviceDefault.Settings">
+    <style name="HomeSettings.Theme" parent="@android:style/Theme.DeviceDefault.Settings">
         <item name="android:navigationBarColor">?android:colorPrimaryDark</item>
         <item name="android:windowActionBar">false</item>
         <item name="android:windowNoTitle">true</item>
-        <item name="preferenceTheme">@style/HomeSettingsPreferenceTheme</item>
+        <item name="preferenceTheme">@style/HomeSettings.PreferenceTheme</item>
     </style>
 
-    <style name="HomeSettingsPreferenceTheme" parent="@style/PreferenceThemeOverlay.v14.Material">
-        <item name="preferenceFragmentCompatStyle">@style/HomeSettingsFragmentCompatStyle</item>
+    <style name="HomeSettings.PreferenceTheme" parent="@style/PreferenceThemeOverlay.v14.Material">
+        <item name="preferenceFragmentCompatStyle">@style/HomeSettings.FragmentCompatStyle</item>
     </style>
 
-    <style name="HomeSettingsFragmentCompatStyle" parent="@style/PreferenceFragment.Material">
+    <style name="HomeSettings.FragmentCompatStyle" parent="@style/PreferenceFragment.Material">
         <item name="android:layout">@layout/home_settings</item>
     </style>
 
diff --git a/robolectric_tests/src/com/android/launcher3/model/ModelMultiCallbacksTest.java b/robolectric_tests/src/com/android/launcher3/model/ModelMultiCallbacksTest.java
index a2abfd5..275cf81 100644
--- a/robolectric_tests/src/com/android/launcher3/model/ModelMultiCallbacksTest.java
+++ b/robolectric_tests/src/com/android/launcher3/model/ModelMultiCallbacksTest.java
@@ -26,12 +26,12 @@
 
 import android.os.Process;
 
-import com.android.launcher3.PagedView;
 import com.android.launcher3.model.BgDataModel.Callbacks;
 import com.android.launcher3.model.data.AppInfo;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.shadows.ShadowLooperExecutor;
 import com.android.launcher3.util.Executors;
+import com.android.launcher3.util.IntSet;
 import com.android.launcher3.util.LauncherLayoutBuilder;
 import com.android.launcher3.util.LauncherModelHelper;
 import com.android.launcher3.util.LooperExecutor;
@@ -92,7 +92,7 @@
         // Add a new callback
         cb1.reset();
         MyCallbacks cb2 = spy(MyCallbacks.class);
-        cb2.mPageToBindSync = 2;
+        cb2.mPageToBindSync = IntSet.wrap(2);
         mModelHelper.getModel().addCallbacksAndLoad(cb2);
 
         waitForLoaderAndTempMainThread();
@@ -178,16 +178,16 @@
     private abstract static class MyCallbacks implements Callbacks {
 
         final List<ItemInfo> mItems = new ArrayList<>();
-        int mPageToBindSync = 0;
-        int mPageBoundSync = PagedView.INVALID_PAGE;
+        IntSet mPageToBindSync = IntSet.wrap(0);
+        IntSet mPageBoundSync = new IntSet();
         ViewOnDrawExecutor mDeferredExecutor;
         AppInfo[] mAppInfos;
 
         MyCallbacks() { }
 
         @Override
-        public void onPageBoundSynchronously(int page) {
-            mPageBoundSync = page;
+        public void onPagesBoundSynchronously(IntSet pages) {
+            mPageBoundSync = pages;
         }
 
         @Override
@@ -206,13 +206,13 @@
         }
 
         @Override
-        public int getPageToBindSynchronously() {
+        public IntSet getPagesToBindSynchronously() {
             return mPageToBindSync;
         }
 
         public void reset() {
             mItems.clear();
-            mPageBoundSync = PagedView.INVALID_PAGE;
+            mPageBoundSync = new IntSet();
             mDeferredExecutor = null;
             mAppInfos = null;
         }
diff --git a/robolectric_tests/src/com/android/launcher3/util/LauncherPageRestoreHelperTest.java b/robolectric_tests/src/com/android/launcher3/util/LauncherPageRestoreHelperTest.java
new file mode 100644
index 0000000..51f5851
--- /dev/null
+++ b/robolectric_tests/src/com/android/launcher3/util/LauncherPageRestoreHelperTest.java
@@ -0,0 +1,224 @@
+/**
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3.util;
+
+import android.os.Bundle;
+
+import com.android.launcher3.LauncherPageRestoreHelper;
+import com.android.launcher3.Workspace;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.Mockito.when;
+
+@RunWith(RobolectricTestRunner.class)
+public class LauncherPageRestoreHelperTest {
+
+    // Type: int
+    private static final String RUNTIME_STATE_CURRENT_SCREEN = "launcher.current_screen";
+    // Type: int
+    private static final String RUNTIME_STATE_CURRENT_SCREEN_COUNT =
+            "launcher.current_screen_count";
+
+    private LauncherPageRestoreHelper mPageRestoreHelper;
+    private Bundle mState;
+
+    @Mock
+    private Workspace mWorkspace;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mPageRestoreHelper = new LauncherPageRestoreHelper(mWorkspace);
+        mState = new Bundle();
+    }
+
+    @Test
+    public void givenNoChildrenInWorkspace_whenSavePages_thenNothingSaved() {
+        when(mWorkspace.getChildCount()).thenReturn(0);
+
+        mPageRestoreHelper.savePagesToRestore(mState);
+
+        assertFalse(mState.containsKey(RUNTIME_STATE_CURRENT_SCREEN_COUNT));
+        assertFalse(mState.containsKey(RUNTIME_STATE_CURRENT_SCREEN));
+    }
+
+    @Test
+    public void givenMultipleCurrentPages_whenSavePages_thenSavedCorrectly() {
+        when(mWorkspace.getChildCount()).thenReturn(5);
+        when(mWorkspace.getCurrentPage()).thenReturn(2);
+        givenPanelCount(2);
+
+        mPageRestoreHelper.savePagesToRestore(mState);
+
+        assertEquals(5, mState.getInt(RUNTIME_STATE_CURRENT_SCREEN_COUNT));
+        assertEquals(2, mState.getInt(RUNTIME_STATE_CURRENT_SCREEN));
+    }
+
+    @Test
+    public void givenNullSavedState_whenRestorePages_thenReturnEmptyIntSet() {
+        IntSet result = mPageRestoreHelper.getPagesToRestore(null);
+
+        assertTrue(result.isEmpty());
+    }
+
+    @Test
+    public void givenTotalPageCountMissing_whenRestorePages_thenReturnEmptyIntSet() {
+        givenSavedCurrentPage(1);
+        givenPanelCount(1);
+
+        IntSet result = mPageRestoreHelper.getPagesToRestore(mState);
+
+        assertTrue(result.isEmpty());
+    }
+
+    @Test
+    public void givenCurrentPageMissing_whenRestorePages_thenReturnEmptyIntSet() {
+        givenSavedPageCount(3);
+        givenPanelCount(2);
+
+        IntSet result = mPageRestoreHelper.getPagesToRestore(mState);
+
+        assertTrue(result.isEmpty());
+    }
+
+    @Test
+    public void givenOnePanel_whenRestorePages_thenReturnThatPage() {
+        givenSavedCurrentPage(2);
+        givenSavedPageCount(5);
+        givenPanelCount(1);
+
+        IntSet result = mPageRestoreHelper.getPagesToRestore(mState);
+
+        assertEquals(1, result.size());
+        assertEquals(2, result.getArray().get(0));
+    }
+
+    @Test
+    public void givenTwoPanelOnFirstPages_whenRestorePages_thenReturnThosePages() {
+        givenSavedCurrentPage(0, 1);
+        givenSavedPageCount(2);
+        givenPanelCount(2);
+
+        IntSet result = mPageRestoreHelper.getPagesToRestore(mState);
+
+        assertEquals(IntSet.wrap(0, 1), result);
+    }
+
+    @Test
+    public void givenTwoPanelOnMiddlePages_whenRestorePages_thenReturnThosePages() {
+        givenSavedCurrentPage(2, 3);
+        givenSavedPageCount(5);
+        givenPanelCount(2);
+
+        IntSet result = mPageRestoreHelper.getPagesToRestore(mState);
+
+        assertEquals(IntSet.wrap(2, 3), result);
+    }
+
+    @Test
+    public void givenTwoPanelOnLastPage_whenRestorePages_thenReturnOnlyLastPage() {
+        // The device has two panel home but the current page is the last page, so we don't have
+        // a right panel, only the left one.
+        givenSavedCurrentPage(2);
+        givenSavedPageCount(3);
+        givenPanelCount(2);
+
+        IntSet result = mPageRestoreHelper.getPagesToRestore(mState);
+
+        assertEquals(IntSet.wrap(2), result);
+    }
+
+    @Test
+    public void givenOnlyOnePageAndPhoneFolding_whenRestorePages_thenReturnOnlyOnePage() {
+        givenSavedCurrentPage(0);
+        givenSavedPageCount(1);
+        givenPanelCount(1);
+
+        IntSet result = mPageRestoreHelper.getPagesToRestore(mState);
+
+        assertEquals(IntSet.wrap(0), result);
+    }
+
+    @Test
+    public void givenPhoneFolding_whenRestorePages_thenReturnOnlyTheFirstCurrentPage() {
+        givenSavedCurrentPage(2, 3);
+        givenSavedPageCount(4);
+        givenPanelCount(1);
+
+        IntSet result = mPageRestoreHelper.getPagesToRestore(mState);
+
+        assertEquals(IntSet.wrap(2), result);
+    }
+
+    @Test
+    public void givenPhoneUnfolding_whenRestorePages_thenReturnCurrentPagePlusTheNextOne() {
+        givenSavedCurrentPage(2);
+        givenSavedPageCount(4);
+        givenPanelCount(2);
+
+        IntSet result = mPageRestoreHelper.getPagesToRestore(mState);
+
+        assertEquals(IntSet.wrap(2, 3), result);
+    }
+
+    @Test
+    public void givenPhoneUnfoldingOnLastPage_whenRestorePages_thenReturnOnlyLastPage() {
+        givenSavedCurrentPage(4);
+        givenSavedPageCount(5);
+        givenPanelCount(2);
+
+        IntSet result = mPageRestoreHelper.getPagesToRestore(mState);
+
+        assertEquals(IntSet.wrap(4), result);
+    }
+
+    @Test
+    public void givenOnlyOnePageAndPhoneUnfolding_whenRestorePages_thenReturnOnlyOnePage() {
+        givenSavedCurrentPage(0);
+        givenSavedPageCount(1);
+        givenPanelCount(2);
+
+        IntSet result = mPageRestoreHelper.getPagesToRestore(mState);
+
+        assertEquals(IntSet.wrap(0), result);
+    }
+
+    private void givenPanelCount(int panelCount) {
+        when(mWorkspace.getPanelCount()).thenReturn(panelCount);
+        when(mWorkspace.getLeftmostVisiblePageForIndex(anyInt())).thenAnswer(invocation -> {
+            int pageIndex = invocation.getArgument(0);
+            return pageIndex * panelCount / panelCount;
+        });
+    }
+
+    private void givenSavedPageCount(int pageCount) {
+        mState.putInt(RUNTIME_STATE_CURRENT_SCREEN_COUNT, pageCount);
+    }
+
+    private void givenSavedCurrentPage(int... pages) {
+        mState.putInt(RUNTIME_STATE_CURRENT_SCREEN, pages[0]);
+    }
+}
diff --git a/src/com/android/launcher3/BubbleTextView.java b/src/com/android/launcher3/BubbleTextView.java
index ddbd425..f800cf6 100644
--- a/src/com/android/launcher3/BubbleTextView.java
+++ b/src/com/android/launcher3/BubbleTextView.java
@@ -407,7 +407,7 @@
         }
     }
 
-    void clearPressedBackground() {
+    public void clearPressedBackground() {
         setPressed(false);
         setStayPressed(false);
     }
@@ -853,8 +853,9 @@
         switch (display) {
             case DISPLAY_ALL_APPS:
                 return grid.allAppsIconSizePx;
-            case DISPLAY_WORKSPACE:
             case DISPLAY_FOLDER:
+                return grid.folderChildIconSizePx;
+            case DISPLAY_WORKSPACE:
             default:
                 return grid.iconSizePx;
         }
diff --git a/src/com/android/launcher3/DeleteDropTarget.java b/src/com/android/launcher3/DeleteDropTarget.java
index 80ec192..ba55834 100644
--- a/src/com/android/launcher3/DeleteDropTarget.java
+++ b/src/com/android/launcher3/DeleteDropTarget.java
@@ -33,6 +33,7 @@
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.LauncherAppWidgetInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
+import com.android.launcher3.util.IntSet;
 import com.android.launcher3.views.Snackbar;
 
 public class DeleteDropTarget extends ButtonDropTarget {
@@ -131,7 +132,7 @@
             onAccessibilityDrop(null, item);
             ModelWriter modelWriter = mLauncher.getModelWriter();
             Runnable onUndoClicked = () -> {
-                mLauncher.setPageToBindSynchronously(itemPage);
+                mLauncher.setPagesToBindSynchronously(IntSet.wrap(itemPage));
                 modelWriter.abortDelete();
                 mLauncher.getStatsLogManager().logger().log(LAUNCHER_UNDO);
             };
diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index e9245b0..2da7ac3 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -44,6 +44,7 @@
 import com.android.launcher3.icons.DotRenderer;
 import com.android.launcher3.icons.GraphicsUtils;
 import com.android.launcher3.icons.IconNormalizer;
+import com.android.launcher3.uioverrides.ApiWrapper;
 import com.android.launcher3.util.DisplayController;
 import com.android.launcher3.util.DisplayController.Info;
 import com.android.launcher3.util.WindowBounds;
@@ -54,6 +55,8 @@
 public class DeviceProfile {
 
     private static final int DEFAULT_DOT_SIZE = 100;
+    // Ratio of empty space, qsb should take up to appear visually centered.
+    private static final float QSB_CENTER_FACTOR = .325f;
 
     public final InvariantDeviceProfile inv;
     private final Info mInfo;
@@ -156,6 +159,7 @@
     // Start is the side next to the nav bar, end is the side next to the workspace
     public final int hotseatBarSidePaddingStartPx;
     public final int hotseatBarSidePaddingEndPx;
+    public final int hotseatQsbHeight;
 
     // All apps
     public int allAppsOpenVerticalTranslate;
@@ -240,6 +244,7 @@
         mMetrics = context.getResources().getDisplayMetrics();
         final Resources res = context.getResources();
 
+        hotseatQsbHeight = res.getDimensionPixelSize(R.dimen.qsb_widget_height);
         isTaskbarPresent = isTablet && FeatureFlags.ENABLE_TASKBAR.get();
         if (isTaskbarPresent) {
             // Taskbar will be added later, but provides bottom insets that we should subtract
@@ -740,7 +745,10 @@
         }
     }
 
-    public Rect getHotseatLayoutPadding() {
+    /**
+     * Returns the padding for hotseat view
+     */
+    public Rect getHotseatLayoutPadding(Context context) {
         if (isVerticalBarLayout()) {
             if (isSeascape()) {
                 mHotseatPadding.set(mInsets.left + hotseatBarSidePaddingStartPx,
@@ -749,6 +757,30 @@
                 mHotseatPadding.set(hotseatBarSidePaddingEndPx, mInsets.top,
                         mInsets.right + hotseatBarSidePaddingStartPx, mInsets.bottom);
             }
+        } else if (isTaskbarPresent) {
+            int hotseatHeight = workspacePadding.bottom + taskbarSize;
+            int taskbarOffset = getTaskbarOffsetY();
+            int hotseatTopDiff = hotseatHeight - taskbarSize - taskbarOffset;
+
+            int startOffset = ApiWrapper.getHotseatStartOffset(context);
+            int requiredWidth = iconSizePx * numShownHotseatIcons;
+
+            Resources res = context.getResources();
+            float taskbarIconSize = res.getDimension(R.dimen.taskbar_icon_size);
+            float taskbarIconSpacing = 2 * res.getDimension(R.dimen.taskbar_icon_spacing);
+            int maxSize = (int) (requiredWidth
+                    * (taskbarIconSize + taskbarIconSpacing) / taskbarIconSize);
+            int hotseatSize = Math.min(maxSize, availableWidthPx - startOffset);
+            int sideSpacing = (availableWidthPx - hotseatSize) / 2;
+            mHotseatPadding.set(sideSpacing, hotseatTopDiff, sideSpacing, taskbarOffset);
+
+            if (startOffset > sideSpacing) {
+                int diff = Utilities.isRtl(context.getResources())
+                        ? sideSpacing - startOffset
+                        : startOffset - sideSpacing;
+                mHotseatPadding.left += diff;
+                mHotseatPadding.right -= diff;
+            }
         } else {
             // We want the edges of the hotseat to line up with the edges of the workspace, but the
             // icons in the hotseat are a different size, and so don't line up perfectly. To account
@@ -769,6 +801,24 @@
     }
 
     /**
+     * Returns the number of pixels the QSB is translated from the bottom of the screen.
+     */
+    public int getQsbOffsetY() {
+        int freeSpace = isTaskbarPresent
+                ? workspacePadding.bottom
+                : hotseatBarSizePx - hotseatCellHeightPx - hotseatQsbHeight;
+        return (int) (freeSpace * QSB_CENTER_FACTOR)
+                + (isTaskbarPresent ? taskbarSize : getInsets().bottom);
+    }
+
+    /**
+     * Returns the number of pixels the taskbar is translated from the bottom of the screen.
+     */
+    public int getTaskbarOffsetY() {
+        return (getQsbOffsetY() - taskbarSize) / 2;
+    }
+
+    /**
      * @return the bounds for which the open folders should be contained within
      */
     public Rect getAbsoluteOpenFolderBounds() {
diff --git a/src/com/android/launcher3/Hotseat.java b/src/com/android/launcher3/Hotseat.java
index ff380ce..b3ae15e 100644
--- a/src/com/android/launcher3/Hotseat.java
+++ b/src/com/android/launcher3/Hotseat.java
@@ -49,8 +49,6 @@
     private final View mQsb;
     private final int mQsbHeight;
 
-    private final int mTaskbarViewHeight;
-
     public Hotseat(Context context) {
         this(context, null);
     }
@@ -63,10 +61,9 @@
         super(context, attrs, defStyle);
 
         mQsb = LayoutInflater.from(context).inflate(R.layout.search_container_hotseat, this, false);
-        mQsbHeight = mQsb.getLayoutParams().height;
         addView(mQsb);
 
-        mTaskbarViewHeight = context.getResources().getDimensionPixelSize(R.dimen.taskbar_size);
+        mQsbHeight = getResources().getDimensionPixelSize(R.dimen.qsb_widget_height);
     }
 
     /**
@@ -114,18 +111,13 @@
             lp.gravity = Gravity.BOTTOM;
             lp.width = ViewGroup.LayoutParams.MATCH_PARENT;
             lp.height = (grid.isTaskbarPresent
-                        ? grid.workspacePadding.bottom
+                    ? grid.workspacePadding.bottom
                         : grid.hotseatBarSizePx)
                     + (grid.isTaskbarPresent ? grid.taskbarSize : insets.bottom);
         }
 
-        if (!grid.isTaskbarPresent) {
-            // When taskbar is present, we set the padding separately to ensure a seamless visual
-            // handoff between taskbar and hotseat during drag and drop.
-            Rect padding = grid.getHotseatLayoutPadding();
-            setPadding(padding.left, padding.top, padding.right, padding.bottom);
-        }
-
+        Rect padding = grid.getHotseatLayoutPadding(getContext());
+        setPadding(padding.left, padding.top, padding.right, padding.bottom);
         setLayoutParams(lp);
         InsettableFrameLayout.dispatchInsets(this, insets);
     }
@@ -193,31 +185,12 @@
         int left = (r - l - qsbWidth) / 2;
         int right = left + qsbWidth;
 
-        int bottom = b - t - getQsbOffsetY();
+        int bottom = b - t - mActivity.getDeviceProfile().getQsbOffsetY();
         int top = bottom - mQsbHeight;
         mQsb.layout(left, top, right, bottom);
     }
 
     /**
-     * Returns the number of pixels the QSB is translated from the bottom of the screen.
-     */
-    private int getQsbOffsetY() {
-        DeviceProfile dp = mActivity.getDeviceProfile();
-        int freeSpace = dp.isTaskbarPresent
-                ? dp.workspacePadding.bottom
-                : dp.hotseatBarSizePx - dp.hotseatCellHeightPx - mQsbHeight;
-        return (int) (freeSpace * QSB_CENTER_FACTOR)
-                + (dp.isTaskbarPresent ? dp.taskbarSize : dp.getInsets().bottom);
-    }
-
-    /**
-     * Returns the number of pixels the taskbar is translated from the bottom of the screen.
-     */
-    public int getTaskbarOffsetY() {
-        return (getQsbOffsetY() - mTaskbarViewHeight) / 2;
-    }
-
-    /**
      * Sets the alpha value of just our ShortcutAndWidgetContainer.
      */
     public void setIconsAlpha(float alpha) {
diff --git a/src/com/android/launcher3/InvariantDeviceProfile.java b/src/com/android/launcher3/InvariantDeviceProfile.java
index 318dde1..115d3ae 100644
--- a/src/com/android/launcher3/InvariantDeviceProfile.java
+++ b/src/com/android/launcher3/InvariantDeviceProfile.java
@@ -36,7 +36,6 @@
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.util.DisplayMetrics;
-import android.util.Log;
 import android.util.SparseArray;
 import android.util.TypedValue;
 import android.util.Xml;
@@ -45,7 +44,6 @@
 import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 
-import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.util.DisplayController;
 import com.android.launcher3.util.DisplayController.Info;
 import com.android.launcher3.util.IntArray;
@@ -250,17 +248,10 @@
 
     private String initGrid(Context context, String gridName) {
         Info displayInfo = DisplayController.INSTANCE.get(context).getInfo();
-        // Determine if we have split display
-
-        boolean isTablet = false, isPhone = false;
-        for (WindowBounds bounds : displayInfo.supportedBounds) {
-            if (displayInfo.isTablet(bounds)) {
-                isTablet = true;
-            } else {
-                isPhone = true;
-            }
-        }
-        boolean isSplitDisplay = isPhone && isTablet && ENABLE_TWO_PANEL_HOME.get();
+        // Each screen has two profiles (portrait/landscape), so devices with four or more
+        // supported profiles implies two or more internal displays.
+        boolean isSplitDisplay =
+                displayInfo.supportedBounds.size() >= 4 && ENABLE_TWO_PANEL_HOME.get();
 
         ArrayList<DisplayOption> allOptions =
                 getPredefinedDeviceProfiles(context, gridName, isSplitDisplay);
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index c5d280d..5a9257d 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -106,6 +106,7 @@
 import android.widget.Toast;
 
 import androidx.annotation.CallSuper;
+import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.annotation.StringRes;
 import androidx.annotation.VisibleForTesting;
@@ -165,6 +166,7 @@
 import com.android.launcher3.util.ActivityTracker;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.IntArray;
+import com.android.launcher3.util.IntSet;
 import com.android.launcher3.util.ItemInfoMatcher;
 import com.android.launcher3.util.MultiValueAlpha;
 import com.android.launcher3.util.MultiValueAlpha.AlphaProperty;
@@ -246,8 +248,6 @@
     protected static final int REQUEST_LAST = 100;
 
     // Type: int
-    private static final String RUNTIME_STATE_CURRENT_SCREEN = "launcher.current_screen";
-    // Type: int
     private static final String RUNTIME_STATE = "launcher.state";
     // Type: PendingRequestArgs
     private static final String RUNTIME_STATE_PENDING_REQUEST_ARGS = "launcher.request_args";
@@ -285,6 +285,8 @@
     private WidgetManagerHelper mAppWidgetManager;
     private LauncherAppWidgetHost mAppWidgetHost;
 
+    private LauncherPageRestoreHelper mPageRestoreHelper;
+
     private final int[] mTmpAddItemCellCoordinates = new int[2];
 
     @Thunk
@@ -320,8 +322,8 @@
 
     private PopupDataProvider mPopupDataProvider;
 
-    private int mSynchronouslyBoundPage = PagedView.INVALID_PAGE;
-    private int mPageToBindSynchronously = PagedView.INVALID_PAGE;
+    private IntSet mSynchronouslyBoundPages = new IntSet();
+    private IntSet mPagesToBindSynchronously = new IntSet();
 
     // We only want to get the SharedPreferences once since it does an FS stat each time we get
     // it from the context.
@@ -456,13 +458,10 @@
         restoreState(savedInstanceState);
         mStateManager.reapplyState();
 
-        // We only load the page synchronously if the user rotates (or triggers a
-        // configuration change) while launcher is in the foreground
-        int currentScreen = PagedView.INVALID_PAGE;
+        mPageRestoreHelper = new LauncherPageRestoreHelper(mWorkspace);
         if (savedInstanceState != null) {
-            currentScreen = savedInstanceState.getInt(RUNTIME_STATE_CURRENT_SCREEN, currentScreen);
+            mPagesToBindSynchronously = mPageRestoreHelper.getPagesToRestore(savedInstanceState);
         }
-        mPageToBindSynchronously = currentScreen;
 
         if (!mModel.addCallbacksAndLoad(this)) {
             if (!internalStateHandled) {
@@ -1187,6 +1186,7 @@
         // Until the workspace is bound, ensure that we keep the wallpaper offset locked to the
         // default state, otherwise we will update to the wrong offsets in RTL
         mWorkspace.lockWallpaperToDefaultPage();
+        mWorkspace.bindAndInitLeftPanel();
         mWorkspace.bindAndInitFirstWorkspaceScreen(null /* recycled qsb */);
         mDragController.addDragListener(mWorkspace);
 
@@ -1307,7 +1307,8 @@
         }
     }
 
-    public FolderIcon findFolderIcon(final int folderIconId) {
+    @Override
+    public @Nullable FolderIcon findFolderIcon(final int folderIconId) {
         return (FolderIcon) mWorkspace.getHomescreenIconByItemId(folderIconId);
     }
 
@@ -1542,18 +1543,17 @@
     @Override
     public void onRestoreInstanceState(Bundle state) {
         super.onRestoreInstanceState(state);
-        mWorkspace.restoreInstanceStateForChild(mSynchronouslyBoundPage);
+        if (mSynchronouslyBoundPages != null) {
+            mSynchronouslyBoundPages.forEach(page -> mWorkspace.restoreInstanceStateForChild(page));
+        }
     }
 
     @Override
     protected void onSaveInstanceState(Bundle outState) {
-        if (mWorkspace.getChildCount() > 0) {
-            outState.putInt(RUNTIME_STATE_CURRENT_SCREEN, mWorkspace.getNextPage());
+        mPageRestoreHelper.savePagesToRestore(outState);
 
-        }
         outState.putInt(RUNTIME_STATE, mStateManager.getState().ordinal);
 
-
         AbstractFloatingView widgets = AbstractFloatingView
                 .getOpenView(this, AbstractFloatingView.TYPE_WIDGETS_FULL_SHEET);
         if (widgets != null) {
@@ -2032,24 +2032,24 @@
     }
 
     /**
-     * Sets the next page to bind synchronously on next bind.
-     * @param page
+     * Sets the next pages to bind synchronously on next bind.
+     * @param pages should not be null.
      */
-    public void setPageToBindSynchronously(int page) {
-        mPageToBindSynchronously = page;
+    public void setPagesToBindSynchronously(@NonNull IntSet pages) {
+        mPagesToBindSynchronously = pages;
     }
 
     /**
      * Implementation of the method from LauncherModel.Callbacks.
      */
     @Override
-    public int getPageToBindSynchronously() {
-        if (mPageToBindSynchronously != PagedView.INVALID_PAGE) {
-            return mPageToBindSynchronously;
-        } else  if (mWorkspace != null) {
-            return mWorkspace.getCurrentPage();
+    public IntSet getPagesToBindSynchronously() {
+        if (mPagesToBindSynchronously != null && !mPagesToBindSynchronously.isEmpty()) {
+            return mPagesToBindSynchronously;
+        } else if (mWorkspace != null) {
+            return mWorkspace.getVisiblePageIndices();
         } else {
-            return 0;
+            return new IntSet();
         }
     }
 
@@ -2098,11 +2098,16 @@
 
     @Override
     public void bindScreens(IntArray orderedScreenIds) {
-        // Make sure the first screen is always at the start.
+        // Make sure the first screen is at the start if there's no widget panel,
+        // or on the second place if the first is the widget panel
+        boolean isLeftPanelShown =
+                mWorkspace.mWorkspaceScreens.containsKey(Workspace.LEFT_PANEL_ID);
+        int firstScreenPosition = isLeftPanelShown && orderedScreenIds.size() > 1 ? 1 : 0;
+
         if (FeatureFlags.QSB_ON_FIRST_SCREEN &&
-                orderedScreenIds.indexOf(Workspace.FIRST_SCREEN_ID) != 0) {
+                orderedScreenIds.indexOf(Workspace.FIRST_SCREEN_ID) != firstScreenPosition) {
             orderedScreenIds.removeValue(Workspace.FIRST_SCREEN_ID);
-            orderedScreenIds.add(0, Workspace.FIRST_SCREEN_ID);
+            orderedScreenIds.add(firstScreenPosition, Workspace.FIRST_SCREEN_ID);
         } else if (!FeatureFlags.QSB_ON_FIRST_SCREEN && orderedScreenIds.isEmpty()) {
             // If there are no screens, we need to have an empty screen
             mWorkspace.addExtraEmptyScreen();
@@ -2119,10 +2124,17 @@
         int count = orderedScreenIds.size();
         for (int i = 0; i < count; i++) {
             int screenId = orderedScreenIds.get(i);
-            if (!FeatureFlags.QSB_ON_FIRST_SCREEN || screenId != Workspace.FIRST_SCREEN_ID) {
+            if (FeatureFlags.QSB_ON_FIRST_SCREEN && screenId == Workspace.FIRST_SCREEN_ID) {
                 // No need to bind the first screen, as its always bound.
-                mWorkspace.insertNewWorkspaceScreenBeforeEmptyScreen(screenId);
+                continue;
             }
+
+            if (screenId == Workspace.LEFT_PANEL_ID) {
+                // No need to bind the left panel, as its always bound.
+                continue;
+            }
+
+            mWorkspace.insertNewWorkspaceScreenBeforeEmptyScreen(screenId);
         }
     }
 
@@ -2197,6 +2209,11 @@
                 continue;
             }
 
+            // Skip if the item is on the left widget panel but the panel is not shown
+            if (item.screenId == Workspace.LEFT_PANEL_ID && !getDeviceProfile().isTwoPanels) {
+                continue;
+            }
+
             final View view;
             switch (item.itemType) {
                 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION:
@@ -2465,10 +2482,10 @@
         return info;
     }
 
-    public void onPageBoundSynchronously(int page) {
-        mSynchronouslyBoundPage = page;
-        mWorkspace.setCurrentPage(page);
-        mPageToBindSynchronously = PagedView.INVALID_PAGE;
+    public void onPagesBoundSynchronously(IntSet pages) {
+        mSynchronouslyBoundPages = pages;
+        mWorkspace.setCurrentPage(pages.getArray().get(0));
+        mPagesToBindSynchronously = new IntSet();
     }
 
     @Override
@@ -2514,7 +2531,7 @@
      *
      * Implementation of the method from LauncherModel.Callbacks.
      */
-    public void finishBindingItems(int pageBoundFirst) {
+    public void finishBindingItems(IntSet pagesBoundFirst) {
         Object traceToken = TraceHelper.INSTANCE.beginSection("finishBindingItems");
         mWorkspace.restoreInstanceStateForRemainingPages();
 
@@ -2529,11 +2546,13 @@
         ItemInstallQueue.INSTANCE.get(this)
                 .resumeModelPush(FLAG_LOADER_RUNNING);
 
+        int currentPage = pagesBoundFirst != null && !pagesBoundFirst.isEmpty()
+                ? pagesBoundFirst.getArray().get(0) : PagedView.INVALID_PAGE;
         // When undoing the removal of the last item on a page, return to that page.
         // Since we are just resetting the current page without user interaction,
         // override the previous page so we don't log the page switch.
-        mWorkspace.setCurrentPage(pageBoundFirst, pageBoundFirst /* overridePrevPage */);
-        mPageToBindSynchronously = PagedView.INVALID_PAGE;
+        mWorkspace.setCurrentPage(currentPage, currentPage /* overridePrevPage */);
+        mPagesToBindSynchronously = new IntSet();
 
         // Cache one page worth of icons
         getViewCache().setCacheSize(R.layout.folder_application,
@@ -2817,13 +2836,6 @@
         return new float[] {NO_SCALE, NO_OFFSET};
     }
 
-    /**
-     * @see LauncherState#getTaskbarScale(Launcher)
-     */
-    public float getNormalTaskbarScale() {
-        return 1f;
-    }
-
     public static Launcher getLauncher(Context context) {
         return fromContext(context);
     }
diff --git a/src/com/android/launcher3/LauncherPageRestoreHelper.java b/src/com/android/launcher3/LauncherPageRestoreHelper.java
new file mode 100644
index 0000000..e679a12
--- /dev/null
+++ b/src/com/android/launcher3/LauncherPageRestoreHelper.java
@@ -0,0 +1,92 @@
+/**
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3;
+
+import android.os.Bundle;
+import android.util.Log;
+
+import androidx.annotation.VisibleForTesting;
+
+import com.android.launcher3.util.IntSet;
+
+import static androidx.annotation.VisibleForTesting.PACKAGE_PRIVATE;
+
+/**
+ * There's a logic which prioritizes the binding for the current page and defers the other pages'
+ * binding. If two panel home is enabled, we want to bind both pages together.
+ * LauncherPageRestoreHelper's purpose is to contain the logic for persisting, restoring and
+ * calculating which pages to load immediately.
+ */
+public class LauncherPageRestoreHelper {
+
+    public static final String TAG = "LauncherPageRestoreHelper";
+
+    // Type: int
+    private static final String RUNTIME_STATE_CURRENT_SCREEN = "launcher.current_screen";
+    // Type: int
+    private static final String RUNTIME_STATE_CURRENT_SCREEN_COUNT =
+            "launcher.current_screen_count";
+
+    private Workspace mWorkspace;
+
+    public LauncherPageRestoreHelper(Workspace workspace) {
+        this.mWorkspace = workspace;
+    }
+
+    /**
+     * Some configuration changes trigger Launcher to recreate itself, and we want to give more
+     * priority to the currently active pages in the restoration process.
+     */
+    @VisibleForTesting(otherwise = PACKAGE_PRIVATE)
+    public IntSet getPagesToRestore(Bundle savedInstanceState) {
+        IntSet pagesToRestore = new IntSet();
+
+        if (savedInstanceState == null) {
+            return pagesToRestore;
+        }
+
+        int currentPage = savedInstanceState.getInt(RUNTIME_STATE_CURRENT_SCREEN, -1);
+        int totalPageCount = savedInstanceState.getInt(RUNTIME_STATE_CURRENT_SCREEN_COUNT, -1);
+        int panelCount = mWorkspace.getPanelCount();
+
+        if (totalPageCount <= 0 || currentPage < 0) {
+            Log.e(TAG, "getPagesToRestore: Invalid input: " + totalPageCount + ", " + currentPage);
+            return pagesToRestore;
+        }
+
+        int newCurrentPage = mWorkspace.getLeftmostVisiblePageForIndex(currentPage);
+        for (int page = newCurrentPage; page < newCurrentPage + panelCount
+                && page < totalPageCount; page++) {
+            pagesToRestore.add(page);
+        }
+
+        return pagesToRestore;
+    }
+
+    /**
+     * This should be called from Launcher's onSaveInstanceState method to persist everything that
+     * is necessary to calculate later which pages need to be initialized first after a
+     * configuration change.
+     */
+    @VisibleForTesting(otherwise = PACKAGE_PRIVATE)
+    public void savePagesToRestore(Bundle outState) {
+        int pageCount = mWorkspace.getChildCount();
+        if (pageCount > 0) {
+            outState.putInt(RUNTIME_STATE_CURRENT_SCREEN, mWorkspace.getCurrentPage());
+            outState.putInt(RUNTIME_STATE_CURRENT_SCREEN_COUNT, pageCount);
+        }
+    }
+}
diff --git a/src/com/android/launcher3/LauncherState.java b/src/com/android/launcher3/LauncherState.java
index 3399ce9..7985ab5 100644
--- a/src/com/android/launcher3/LauncherState.java
+++ b/src/com/android/launcher3/LauncherState.java
@@ -181,14 +181,6 @@
         return launcher.getNormalOverviewScaleAndOffset();
     }
 
-    public float getTaskbarScale(Launcher launcher) {
-        return launcher.getNormalTaskbarScale();
-    }
-
-    public float getTaskbarTranslationY(Launcher launcher) {
-        return -launcher.getHotseat().getTaskbarOffsetY();
-    }
-
     public float getOverviewFullscreenProgress() {
         return 0;
     }
diff --git a/src/com/android/launcher3/PagedView.java b/src/com/android/launcher3/PagedView.java
index b423871..204913a 100644
--- a/src/com/android/launcher3/PagedView.java
+++ b/src/com/android/launcher3/PagedView.java
@@ -16,6 +16,8 @@
 
 package com.android.launcher3;
 
+import static androidx.annotation.VisibleForTesting.PACKAGE_PRIVATE;
+
 import static com.android.launcher3.anim.Interpolators.SCROLL;
 import static com.android.launcher3.compat.AccessibilityManagerCompat.isAccessibilityEnabled;
 import static com.android.launcher3.compat.AccessibilityManagerCompat.isObservedEventType;
@@ -48,6 +50,7 @@
 import android.widget.ScrollView;
 
 import androidx.annotation.Nullable;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.launcher3.compat.AccessibilityManagerCompat;
 import com.android.launcher3.config.FeatureFlags;
@@ -55,6 +58,7 @@
 import com.android.launcher3.touch.PagedOrientationHandler;
 import com.android.launcher3.touch.PagedOrientationHandler.ChildBounds;
 import com.android.launcher3.util.EdgeEffectCompat;
+import com.android.launcher3.util.IntSet;
 import com.android.launcher3.util.Thunk;
 import com.android.launcher3.views.ActivityContext;
 
@@ -291,9 +295,15 @@
         return newPage;
     }
 
-    private int getLeftmostVisiblePageForIndex(int pageIndex) {
+    /**
+     * In most cases where panelCount is 1, this method will just return the page index that was
+     * passed in.
+     * But for example when two panel home is enabled we might need the leftmost visible page index
+     * because that page is the current page.
+     */
+    public int getLeftmostVisiblePageForIndex(int pageIndex) {
         int panelCount = getPanelCount();
-        return (pageIndex / panelCount) * panelCount;
+        return pageIndex - pageIndex % panelCount;
     }
 
     /**
@@ -304,16 +314,34 @@
     }
 
     /**
+     * Returns an IntSet with the indices of the currently visible pages
+     */
+    @VisibleForTesting(otherwise = PACKAGE_PRIVATE)
+    public IntSet getVisiblePageIndices() {
+        IntSet visiblePageIndices = new IntSet();
+        int panelCount = getPanelCount();
+        int pageCount = getPageCount();
+
+        // If a device goes from one panel to two panel (i.e. unfolding a foldable device) while
+        // an odd indexed page is the current page, then the new leftmost visible page will be
+        // different from the old mCurrentPage.
+        int currentPage = getLeftmostVisiblePageForIndex(mCurrentPage);
+        for (int page = currentPage; page < currentPage + panelCount && page < pageCount; page++) {
+            visiblePageIndices.add(page);
+        }
+        return visiblePageIndices;
+    }
+
+    /**
      * Executes the callback against each visible page
      */
     public void forEachVisiblePage(Consumer<View> callback) {
-        int panelCount = getPanelCount();
-        for (int i = mCurrentPage; i < mCurrentPage + panelCount; i++) {
-            View page = getPageAt(i);
+        getVisiblePageIndices().forEach(pageIndex -> {
+            View page = getPageAt(pageIndex);
             if (page != null) {
                 callback.accept(page);
             }
-        }
+        });
     }
 
     /**
@@ -1120,6 +1148,10 @@
         mAllowOverScroll = enable;
     }
 
+    protected float getSignificantMoveThreshold() {
+        return SIGNIFICANT_MOVE_THRESHOLD;
+    }
+
     @Override
     public boolean onTouchEvent(MotionEvent ev) {
         // Skip touch handling if there are no pages to swipe
@@ -1191,6 +1223,7 @@
                     }
                     delta -= consumed;
                 }
+                delta /= mOrientationHandler.getPrimaryScale(this);
 
                 // Only scroll and update mLastMotionX if we have moved some discrete amount.  We
                 // keep the remainder because we are actually testing if we've moved from the last
@@ -1243,11 +1276,12 @@
 
                 int velocity = (int) mOrientationHandler.getPrimaryVelocity(velocityTracker,
                     mActivePointerId);
-                int delta = (int) (primaryDirection - mDownMotionPrimary);
+                float delta = primaryDirection - mDownMotionPrimary;
+                delta /= mOrientationHandler.getPrimaryScale(this);
                 int pageOrientedSize = mOrientationHandler.getMeasuredSize(getPageAt(mCurrentPage));
 
-                boolean isSignificantMove = Math.abs(delta) > pageOrientedSize *
-                    SIGNIFICANT_MOVE_THRESHOLD;
+                boolean isSignificantMove = Math.abs(delta)
+                        > pageOrientedSize * getSignificantMoveThreshold();
 
                 mTotalMotion += Math.abs(mLastMotion + mLastMotionRemainder - primaryDirection);
                 boolean passedSlop = mAllowEasyFling || mTotalMotion > mPageSlop;
diff --git a/src/com/android/launcher3/Utilities.java b/src/com/android/launcher3/Utilities.java
index a2d86bc..2ef9e3e 100644
--- a/src/com/android/launcher3/Utilities.java
+++ b/src/com/android/launcher3/Utilities.java
@@ -85,6 +85,7 @@
 import com.android.launcher3.shortcuts.ShortcutRequest;
 import com.android.launcher3.util.IntArray;
 import com.android.launcher3.util.PackageManagerHelper;
+import com.android.launcher3.views.ActivityContext;
 import com.android.launcher3.views.BaseDragLayer;
 import com.android.launcher3.widget.PendingAddShortcutInfo;
 
@@ -658,25 +659,26 @@
      * @param outObj this is set to the internal data associated with {@param info},
      *               eg {@link LauncherActivityInfo} or {@link ShortcutInfo}.
      */
-    public static Drawable getFullDrawable(Launcher launcher, ItemInfo info, int width, int height,
+    public static Drawable getFullDrawable(Context context, ItemInfo info, int width, int height,
             Object[] outObj) {
-        Drawable icon = loadFullDrawableWithoutTheme(launcher, info, width, height, outObj);
+        Drawable icon = loadFullDrawableWithoutTheme(context, info, width, height, outObj);
         if (icon instanceof BitmapInfo.Extender) {
-            icon = ((BitmapInfo.Extender) icon).getThemedDrawable(launcher);
+            icon = ((BitmapInfo.Extender) icon).getThemedDrawable(context);
         }
         return icon;
     }
 
-    private static Drawable loadFullDrawableWithoutTheme(Launcher launcher, ItemInfo info,
+    private static Drawable loadFullDrawableWithoutTheme(Context context, ItemInfo info,
             int width, int height, Object[] outObj) {
-        LauncherAppState appState = LauncherAppState.getInstance(launcher);
+        ActivityContext activity = ActivityContext.lookupContext(context);
+        LauncherAppState appState = LauncherAppState.getInstance(context);
         if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) {
-            LauncherActivityInfo activityInfo = launcher.getSystemService(LauncherApps.class)
+            LauncherActivityInfo activityInfo = context.getSystemService(LauncherApps.class)
                     .resolveActivity(info.getIntent(), info.user);
             outObj[0] = activityInfo;
-            return activityInfo == null ? null : LauncherAppState.getInstance(launcher)
+            return activityInfo == null ? null : LauncherAppState.getInstance(context)
                     .getIconProvider().getIcon(
-                            activityInfo, launcher.getDeviceProfile().inv.fillResIconDpi);
+                            activityInfo, activity.getDeviceProfile().inv.fillResIconDpi);
         } else if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
             if (info instanceof PendingAddShortcutInfo) {
                 ShortcutConfigActivityInfo activityInfo =
@@ -685,18 +687,18 @@
                 return activityInfo.getFullResIcon(appState.getIconCache());
             }
             List<ShortcutInfo> si = ShortcutKey.fromItemInfo(info)
-                    .buildRequest(launcher)
+                    .buildRequest(context)
                     .query(ShortcutRequest.ALL);
             if (si.isEmpty()) {
                 return null;
             } else {
                 outObj[0] = si.get(0);
-                return ShortcutCachingLogic.getIcon(launcher, si.get(0),
+                return ShortcutCachingLogic.getIcon(context, si.get(0),
                         appState.getInvariantDeviceProfile().fillResIconDpi);
             }
         } else if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_FOLDER) {
             FolderAdaptiveIcon icon = FolderAdaptiveIcon.createFolderAdaptiveIcon(
-                    launcher, info.id, new Point(width, height));
+                    activity, info.id, new Point(width, height));
             if (icon == null) {
                 return null;
             }
@@ -714,8 +716,8 @@
      * badge. When dragged from workspace or folder, it may contain app AND/OR work profile badge
      **/
     @TargetApi(Build.VERSION_CODES.O)
-    public static Drawable getBadge(Launcher launcher, ItemInfo info, Object obj) {
-        LauncherAppState appState = LauncherAppState.getInstance(launcher);
+    public static Drawable getBadge(Context context, ItemInfo info, Object obj) {
+        LauncherAppState appState = LauncherAppState.getInstance(context);
         int iconSize = appState.getInvariantDeviceProfile().iconBitmapSize;
         if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
             boolean iconBadged = (info instanceof ItemInfoWithIcon)
@@ -735,7 +737,7 @@
         } else if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_FOLDER) {
             return ((FolderAdaptiveIcon) obj).getBadge();
         } else {
-            return launcher.getPackageManager()
+            return context.getPackageManager()
                     .getUserBadgedIcon(new FixedSizeEmptyDrawable(iconSize), info.user);
         }
     }
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 2e1cc58..aba8a40 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -16,6 +16,8 @@
 
 package com.android.launcher3;
 
+import static androidx.annotation.VisibleForTesting.PROTECTED;
+
 import static com.android.launcher3.LauncherAnimUtils.SPRING_LOADED_EXIT_DELAY;
 import static com.android.launcher3.LauncherSettings.Favorites.ITEM_TYPE_APPLICATION;
 import static com.android.launcher3.LauncherState.ALL_APPS;
@@ -63,6 +65,8 @@
 import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.Toast;
 
+import androidx.annotation.VisibleForTesting;
+
 import com.android.launcher3.accessibility.AccessibleDragListenerAdapter;
 import com.android.launcher3.accessibility.WorkspaceAccessibilityHelper;
 import com.android.launcher3.anim.Interpolators;
@@ -312,18 +316,34 @@
         // Increase our bottom insets so we don't overlap with the taskbar.
         mInsets.bottom += grid.nonOverlappingTaskbarInset;
 
-        if (isTwoPanelEnabled()) {
+        if (grid.isTwoPanels) {
             setPageSpacing(0); // we have two pages and we don't want any spacing
-        } else if (mWorkspaceFadeInAdjacentScreens) {
-            // In landscape mode the page spacing is set to the default.
-            setPageSpacing(grid.edgeMarginPx);
+
+            // Add left widget panel if it isn't already there
+            if (!mWorkspaceScreens.containsKey(LEFT_PANEL_ID)) {
+                int newCurrentPage = mCurrentPage + 1;
+                bindAndInitLeftPanel();
+                setCurrentPage(newCurrentPage);
+            }
         } else {
-            // In portrait, we want the pages spaced such that there is no
-            // overhang of the previous / next page into the current page viewport.
-            // We assume symmetrical padding in portrait mode.
-            int maxInsets = Math.max(insets.left, insets.right);
-            int maxPadding = Math.max(grid.edgeMarginPx, padding.left + 1);
-            setPageSpacing(Math.max(maxInsets, maxPadding));
+            if (mWorkspaceFadeInAdjacentScreens) {
+                // In landscape mode the page spacing is set to the default.
+                setPageSpacing(grid.edgeMarginPx);
+            } else {
+                // In portrait, we want the pages spaced such that there is no
+                // overhang of the previous / next page into the current page viewport.
+                // We assume symmetrical padding in portrait mode.
+                int maxInsets = Math.max(insets.left, insets.right);
+                int maxPadding = Math.max(grid.edgeMarginPx, padding.left + 1);
+                setPageSpacing(Math.max(maxInsets, maxPadding));
+            }
+
+            // Remove left widget panel if it is present
+            if (mWorkspaceScreens.containsKey(LEFT_PANEL_ID)) {
+                int newCurrentPage = mCurrentPage - 1;
+                removeLeftPanel();
+                setCurrentPage(newCurrentPage);
+            }
         }
 
         int paddingLeftRight = grid.cellLayoutPaddingLeftRightPx;
@@ -462,7 +482,8 @@
     }
 
     @Override
-    protected int getPanelCount() {
+    @VisibleForTesting(otherwise = PROTECTED)
+    public int getPanelCount() {
         return isTwoPanelEnabled() ? 2 : super.getPanelCount();
     }
 
@@ -553,7 +574,7 @@
             return;
         }
         // Add the first page
-        CellLayout firstPage = insertNewWorkspaceScreen(Workspace.FIRST_SCREEN_ID, 0);
+        CellLayout firstPage = insertNewWorkspaceScreen(Workspace.FIRST_SCREEN_ID, getChildCount());
         // Always add a QSB on the first screen.
         if (qsb == null) {
             // In transposed layout, we add the QSB in the Grid. As workspace does not touch the
@@ -572,6 +593,19 @@
         }
     }
 
+    /**
+     * Initializes and binds the left panel
+     */
+    public void bindAndInitLeftPanel() {
+        if (!FeatureFlags.QSB_ON_FIRST_SCREEN || !isTwoPanelEnabled()
+                || mWorkspaceScreens.containsKey(Workspace.LEFT_PANEL_ID)) {
+            return;
+        }
+
+        insertNewWorkspaceScreen(Workspace.LEFT_PANEL_ID, getChildCount());
+        mLauncher.getModelWriter().setLeftPanelShown(true);
+    }
+
     public void removeAllWorkspaceScreens() {
         // Disable all layout transitions before removing all pages to ensure that we don't get the
         // transition animations competing with us changing the scroll when we add pages
@@ -593,6 +627,7 @@
         mLauncher.mHandler.removeCallbacksAndMessages(DeferredWidgetRefresh.class);
 
         // Ensure that the first page is always present
+        bindAndInitLeftPanel();
         bindAndInitFirstWorkspaceScreen(qsb);
 
         // Re-enable the layout transitions
@@ -613,6 +648,18 @@
         insertNewWorkspaceScreen(screenId, getChildCount());
     }
 
+    private void removeLeftPanel() {
+        if (!mWorkspaceScreens.containsKey(LEFT_PANEL_ID)) {
+            return;
+        }
+        mLauncher.getModelWriter().setLeftPanelShown(false);
+        CellLayout leftPanel = mWorkspaceScreens.get(LEFT_PANEL_ID);
+        mWorkspaceScreens.remove(LEFT_PANEL_ID);
+        removeView(leftPanel);
+        mScreenOrder.removeValue(LEFT_PANEL_ID);
+        updatePageScrollValues();
+    }
+
     public CellLayout insertNewWorkspaceScreen(int screenId, int insertIndex) {
         if (mWorkspaceScreens.containsKey(screenId)) {
             throw new RuntimeException("Screen id " + screenId + " already exists!");
diff --git a/src/com/android/launcher3/WorkspaceLayoutManager.java b/src/com/android/launcher3/WorkspaceLayoutManager.java
index d6302ce..326e3c3 100644
--- a/src/com/android/launcher3/WorkspaceLayoutManager.java
+++ b/src/com/android/launcher3/WorkspaceLayoutManager.java
@@ -32,6 +32,8 @@
     int EXTRA_EMPTY_SCREEN_ID = -201;
     // The is the first screen. It is always present, even if its empty.
     int FIRST_SCREEN_ID = 0;
+    // This panel is shown on the first page if the panel count is greater than 1.
+    int LEFT_PANEL_ID = -777;
 
     /**
      * At bind time, we use the rank (screenId) to compute x and y for hotseat items.
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index 0e710b7..5e3177a 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -210,14 +210,14 @@
             + "predictions to be updated while they are visible to the user.");
 
     public static final BooleanFlag ENABLE_TASKBAR = getDebugFlag(
-            "ENABLE_TASKBAR", false, "Allows a system Taskbar to be shown on larger devices.");
+            "ENABLE_TASKBAR", true, "Allows a system Taskbar to be shown on larger devices.");
 
     public static final BooleanFlag ENABLE_OVERVIEW_GRID = getDebugFlag(
-            "ENABLE_OVERVIEW_GRID", false, "Uses grid overview layout. "
+            "ENABLE_OVERVIEW_GRID", true, "Uses grid overview layout. "
             + "Only applicable on large screen devices.");
 
     public static final BooleanFlag ENABLE_TWO_PANEL_HOME = getDebugFlag(
-            "ENABLE_TWO_PANEL_HOME", false,
+            "ENABLE_TWO_PANEL_HOME", true,
             "Uses two panel on home screen. Only applicable on large screen devices.");
 
     public static final BooleanFlag ENABLE_SPLIT_SELECT = getDebugFlag(
@@ -240,6 +240,10 @@
             "ENABLE_WALLPAPER_SCRIM", false,
             "Enables scrim over wallpaper for text protection.");
 
+    public static final BooleanFlag WIDGETS_IN_LAUNCHER_PREVIEW = getDebugFlag(
+            "WIDGETS_IN_LAUNCHER_PREVIEW", false,
+            "Enables widgets in Launcher preview for the Wallpaper app.");
+
     public static void initialize(Context context) {
         synchronized (sDebugFlags) {
             for (DebugFlag flag : sDebugFlags) {
diff --git a/src/com/android/launcher3/dragndrop/DragController.java b/src/com/android/launcher3/dragndrop/DragController.java
index 5731db4..1e0edac 100644
--- a/src/com/android/launcher3/dragndrop/DragController.java
+++ b/src/com/android/launcher3/dragndrop/DragController.java
@@ -74,7 +74,7 @@
     /** Coordinate for last touch event **/
     protected final Point mLastTouch = new Point();
 
-    private final Point mTmpPoint = new Point();
+    protected final Point mTmpPoint = new Point();
 
     protected DropTarget.DragObject mDragObject;
 
@@ -317,7 +317,7 @@
         mDragObject.dragView.animateTo(mMotionDown.x, mMotionDown.y, onCompleteRunnable, duration);
     }
 
-    private void callOnDragEnd() {
+    protected void callOnDragEnd() {
         if (mIsInPreDrag && mOptions.preDragCondition != null) {
             mOptions.preDragCondition.onPreDragEnd(mDragObject, false /* dragStarted*/);
         }
@@ -343,7 +343,7 @@
     /**
      * Clamps the position to the drag layer bounds.
      */
-    private Point getClampedDragLayerPos(float x, float y) {
+    protected Point getClampedDragLayerPos(float x, float y) {
         mActivity.getDragLayer().getLocalVisibleRect(mRectTemp);
         mTmpPoint.x = (int) Math.max(mRectTemp.left, Math.min(x, mRectTemp.right - 1));
         mTmpPoint.y = (int) Math.max(mRectTemp.top, Math.min(y, mRectTemp.bottom - 1));
@@ -390,7 +390,7 @@
             return false;
         }
 
-        Point dragLayerPos = getClampedDragLayerPos(ev.getX(), ev.getY());
+        Point dragLayerPos = getClampedDragLayerPos(getX(ev), getY(ev));
         mLastTouch.set(dragLayerPos.x,  dragLayerPos.y);
         if (ev.getAction() == MotionEvent.ACTION_DOWN) {
             // Remember location of down touch
@@ -403,6 +403,14 @@
         return mDragDriver != null && mDragDriver.onInterceptTouchEvent(ev);
     }
 
+    protected float getX(MotionEvent ev) {
+        return ev.getX();
+    }
+
+    protected float getY(MotionEvent ev) {
+        return ev.getY();
+    }
+
     /**
      * Call this from a drag source view.
      */
diff --git a/src/com/android/launcher3/dragndrop/DragDriver.java b/src/com/android/launcher3/dragndrop/DragDriver.java
index d4ce308..72e47e5 100644
--- a/src/com/android/launcher3/dragndrop/DragDriver.java
+++ b/src/com/android/launcher3/dragndrop/DragDriver.java
@@ -165,8 +165,11 @@
      * Class for driving an internal (i.e. not using framework) drag/drop operation.
      */
     static class InternalDragDriver extends DragDriver {
+        private final DragController mDragController;
+
         InternalDragDriver(DragController dragController, Consumer<MotionEvent> sec) {
             super(dragController, sec);
+            mDragController = dragController;
         }
 
         @Override
@@ -176,11 +179,14 @@
 
             switch (action) {
                 case MotionEvent.ACTION_MOVE:
-                    mEventListener.onDriverDragMove(ev.getX(), ev.getY());
+                    mEventListener.onDriverDragMove(mDragController.getX(ev),
+                            mDragController.getY(ev));
                     break;
                 case MotionEvent.ACTION_UP:
-                    mEventListener.onDriverDragMove(ev.getX(), ev.getY());
-                    mEventListener.onDriverDragEnd(ev.getX(), ev.getY());
+                    mEventListener.onDriverDragMove(mDragController.getX(ev),
+                            mDragController.getY(ev));
+                    mEventListener.onDriverDragEnd(mDragController.getX(ev),
+                            mDragController.getY(ev));
                     break;
                 case MotionEvent.ACTION_CANCEL:
                     mEventListener.onDriverDragCancel();
@@ -197,7 +203,8 @@
 
             switch (action) {
                 case MotionEvent.ACTION_UP:
-                    mEventListener.onDriverDragEnd(ev.getX(), ev.getY());
+                    mEventListener.onDriverDragEnd(mDragController.getX(ev),
+                            mDragController.getY(ev));
                     break;
                 case MotionEvent.ACTION_CANCEL:
                     mEventListener.onDriverDragCancel();
diff --git a/src/com/android/launcher3/dragndrop/DragView.java b/src/com/android/launcher3/dragndrop/DragView.java
index 1664980..fb1a6be 100644
--- a/src/com/android/launcher3/dragndrop/DragView.java
+++ b/src/com/android/launcher3/dragndrop/DragView.java
@@ -53,22 +53,19 @@
 import androidx.dynamicanimation.animation.SpringAnimation;
 import androidx.dynamicanimation.animation.SpringForce;
 
-import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherSettings;
-import com.android.launcher3.LauncherState;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.Interpolators;
 import com.android.launcher3.icons.FastBitmapDrawable;
 import com.android.launcher3.icons.LauncherIcons;
 import com.android.launcher3.model.data.ItemInfo;
-import com.android.launcher3.statemanager.StateManager.StateListener;
 import com.android.launcher3.util.RunnableList;
-import com.android.launcher3.util.Thunk;
+import com.android.launcher3.views.ActivityContext;
 import com.android.launcher3.views.BaseDragLayer;
 
 /** A custom view for rendering an icon, folder, shortcut or widget during drag-n-drop. */
-public class DragView extends FrameLayout implements StateListener<LauncherState> {
+public abstract class DragView<T extends Context & ActivityContext> extends FrameLayout {
 
     public static final int VIEW_ZOOM_DURATION = 150;
 
@@ -81,19 +78,18 @@
     private final int mHeight;
 
     private final int mBlurSizeOutline;
-    private final int mRegistrationX;
-    private final int mRegistrationY;
+    protected final int mRegistrationX;
+    protected final int mRegistrationY;
     private final float mInitialScale;
-    private final float mScaleOnDrop;
-    private final int[] mTempLoc = new int[2];
+    protected final float mScaleOnDrop;
+    protected final int[] mTempLoc = new int[2];
 
     private final RunnableList mOnDragStartCallback = new RunnableList();
 
     private Point mDragVisualizeOffset = null;
     private Rect mDragRegion = null;
-    private final Launcher mLauncher;
-    private final DragLayer mDragLayer;
-    @Thunk final DragController mDragController;
+    protected final T mActivity;
+    private final BaseDragLayer<T> mDragLayer;
     private boolean mHasDrawn = false;
 
     final ValueAnimator mAnim;
@@ -109,7 +105,7 @@
     private Path mScaledMaskPath;
     private Drawable mBadge;
 
-    public DragView(Launcher launcher, Drawable drawable, int registrationX,
+    public DragView(T launcher, Drawable drawable, int registrationX,
             int registrationY, final float initialScale, final float scaleOnDrop,
             final float finalScaleDps) {
         this(launcher, getViewFromDrawable(launcher, drawable),
@@ -122,7 +118,7 @@
      * <p>
      * The registration point is the point inside our view that the touch events should
      * be centered upon.
-     * @param launcher The Launcher instance
+     * @param activity The Launcher instance/ActivityContext this DragView is in.
      * @param content the view content that is attached to the drag view.
      * @param width the width of the dragView
      * @param height the height of the dragView
@@ -132,13 +128,12 @@
      * @param scaleOnDrop the scale used in the drop animation.
      * @param finalScaleDps the scale used in the zoom out animation when the drag view is shown.
      */
-    public DragView(Launcher launcher, View content, int width, int height, int registrationX,
+    public DragView(T activity, View content, int width, int height, int registrationX,
             int registrationY, final float initialScale, final float scaleOnDrop,
             final float finalScaleDps) {
-        super(launcher);
-        mLauncher = launcher;
-        mDragLayer = launcher.getDragLayer();
-        mDragController = launcher.getDragController();
+        super(activity);
+        mActivity = activity;
+        mDragLayer = activity.getDragLayer();
 
         mContent = content;
         mWidth = width;
@@ -187,24 +182,6 @@
         setWillNotDraw(false);
     }
 
-    @Override
-    protected void onAttachedToWindow() {
-        super.onAttachedToWindow();
-        mLauncher.getStateManager().addStateListener(this);
-    }
-
-    @Override
-    protected void onDetachedFromWindow() {
-        super.onDetachedFromWindow();
-        mLauncher.getStateManager().removeStateListener(this);
-    }
-
-    @Override
-    public void onStateTransitionComplete(LauncherState finalState) {
-        setVisibility((finalState == LauncherState.NORMAL
-                || finalState == LauncherState.SPRING_LOADED) ? VISIBLE : INVISIBLE);
-    }
-
     /**
      * Initialize {@code #mIconDrawable} if the item can be represented using
      * an {@link AdaptiveIconDrawable} or {@link FolderAdaptiveIcon}.
@@ -221,10 +198,10 @@
             Object[] outObj = new Object[1];
             int w = mWidth;
             int h = mHeight;
-            Drawable dr = Utilities.getFullDrawable(mLauncher, info, w, h, outObj);
+            Drawable dr = Utilities.getFullDrawable(mActivity, info, w, h, outObj);
 
             if (dr instanceof AdaptiveIconDrawable) {
-                int blurMargin = (int) mLauncher.getResources()
+                int blurMargin = (int) mActivity.getResources()
                         .getDimension(R.dimen.blur_size_medium_outline) / 2;
 
                 Rect bounds = new Rect(0, 0, w, h);
@@ -232,13 +209,13 @@
                 // Badge is applied after icon normalization so the bounds for badge should not
                 // be scaled down due to icon normalization.
                 Rect badgeBounds = new Rect(bounds);
-                mBadge = getBadge(mLauncher, info, outObj[0]);
+                mBadge = getBadge(mActivity, info, outObj[0]);
                 mBadge.setBounds(badgeBounds);
 
                 // Do not draw the background in case of folder as its translucent
                 final boolean shouldDrawBackground = !(dr instanceof FolderAdaptiveIcon);
 
-                try (LauncherIcons li = LauncherIcons.obtain(mLauncher)) {
+                try (LauncherIcons li = LauncherIcons.obtain(mActivity)) {
                     Drawable nDr; // drawable to be normalized
                     if (shouldDrawBackground) {
                         nDr = dr;
@@ -429,12 +406,11 @@
         applyTranslation();
     }
 
-    public void animateTo(int toTouchX, int toTouchY, Runnable onCompleteRunnable, int duration) {
-        mTempLoc[0] = toTouchX - mRegistrationX;
-        mTempLoc[1] = toTouchY - mRegistrationY;
-        mDragLayer.animateViewIntoPosition(this, mTempLoc, 1f, mScaleOnDrop, mScaleOnDrop,
-                DragLayer.ANIMATION_END_DISAPPEAR, onCompleteRunnable, duration);
-    }
+    /**
+     * Animate this DragView to the given DragLayer coordinates and then remove it.
+     */
+    public abstract void animateTo(int toTouchX, int toTouchY, Runnable onCompleteRunnable,
+            int duration);
 
     public void animateShift(final int shiftX, final int shiftY) {
         if (mAnim.isStarted()) {
@@ -470,7 +446,7 @@
             Picture picture = new Picture();
             mContent.draw(picture.beginRecording(mWidth, mHeight));
             picture.endRecording();
-            View view = new View(mLauncher);
+            View view = new View(mActivity);
             view.setClipToOutline(mContent.getClipToOutline());
             view.setOutlineProvider(mContent.getOutlineProvider());
             view.setBackground(new PictureDrawable(picture));
diff --git a/src/com/android/launcher3/dragndrop/FolderAdaptiveIcon.java b/src/com/android/launcher3/dragndrop/FolderAdaptiveIcon.java
index ea1fbdb..6a6603c 100644
--- a/src/com/android/launcher3/dragndrop/FolderAdaptiveIcon.java
+++ b/src/com/android/launcher3/dragndrop/FolderAdaptiveIcon.java
@@ -32,12 +32,12 @@
 
 import androidx.annotation.Nullable;
 
-import com.android.launcher3.Launcher;
 import com.android.launcher3.folder.FolderIcon;
 import com.android.launcher3.folder.PreviewBackground;
 import com.android.launcher3.graphics.ShiftedBitmapDrawable;
 import com.android.launcher3.icons.BitmapRenderer;
 import com.android.launcher3.util.Preconditions;
+import com.android.launcher3.views.ActivityContext;
 
 /**
  * {@link AdaptiveIconDrawable} representation of a {@link FolderIcon}
@@ -70,14 +70,14 @@
     }
 
     public static @Nullable FolderAdaptiveIcon createFolderAdaptiveIcon(
-            Launcher launcher, int folderId, Point dragViewSize) {
+            ActivityContext activity, int folderId, Point dragViewSize) {
         Preconditions.assertNonUiThread();
 
         // Create the actual drawable on the UI thread to avoid race conditions with
         // FolderIcon draw pass
         try {
             return MAIN_EXECUTOR.submit(() -> {
-                FolderIcon icon = launcher.findFolderIcon(folderId);
+                FolderIcon icon = activity.findFolderIcon(folderId);
                 return icon == null ? null : createDrawableOnUiThread(icon, dragViewSize);
 
             }).get();
diff --git a/src/com/android/launcher3/dragndrop/LauncherDragController.java b/src/com/android/launcher3/dragndrop/LauncherDragController.java
index a98d70c..0e8b0a5 100644
--- a/src/com/android/launcher3/dragndrop/LauncherDragController.java
+++ b/src/com/android/launcher3/dragndrop/LauncherDragController.java
@@ -96,7 +96,7 @@
         final float scaleDps = mIsInPreDrag
                 ? res.getDimensionPixelSize(R.dimen.pre_drag_view_scale) : 0f;
         final DragView dragView = mDragObject.dragView = drawable != null
-                ? new DragView(
+                ? new LauncherDragView(
                 mActivity,
                 drawable,
                 registrationX,
@@ -104,7 +104,7 @@
                 initialDragViewScale,
                 dragViewScaleOnDrop,
                 scaleDps)
-                : new DragView(
+                : new LauncherDragView(
                         mActivity,
                         view,
                         view.getMeasuredWidth(),
diff --git a/src/com/android/launcher3/dragndrop/LauncherDragView.java b/src/com/android/launcher3/dragndrop/LauncherDragView.java
new file mode 100644
index 0000000..cc68e2e
--- /dev/null
+++ b/src/com/android/launcher3/dragndrop/LauncherDragView.java
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3.dragndrop;
+
+import android.graphics.drawable.Drawable;
+import android.view.View;
+
+import com.android.launcher3.Launcher;
+import com.android.launcher3.LauncherState;
+import com.android.launcher3.statemanager.StateManager;
+
+/**
+ * A DragView drawn/used by the Launcher activity.
+ */
+public class LauncherDragView extends DragView<Launcher>
+        implements StateManager.StateListener<LauncherState> {
+
+
+    public LauncherDragView(Launcher launcher, Drawable drawable, int registrationX,
+            int registrationY, float initialScale, float scaleOnDrop, float finalScaleDps) {
+        super(launcher, drawable, registrationX, registrationY, initialScale, scaleOnDrop,
+                finalScaleDps);
+    }
+
+    public LauncherDragView(Launcher launcher, View content, int width, int height,
+            int registrationX, int registrationY, float initialScale, float scaleOnDrop,
+            float finalScaleDps) {
+        super(launcher, content, width, height, registrationX, registrationY, initialScale,
+                scaleOnDrop, finalScaleDps);
+    }
+
+    @Override
+    protected void onAttachedToWindow() {
+        super.onAttachedToWindow();
+        mActivity.getStateManager().addStateListener(this);
+    }
+
+    @Override
+    protected void onDetachedFromWindow() {
+        super.onDetachedFromWindow();
+        mActivity.getStateManager().removeStateListener(this);
+    }
+
+    @Override
+    public void onStateTransitionComplete(LauncherState finalState) {
+        setVisibility((finalState == LauncherState.NORMAL
+                || finalState == LauncherState.SPRING_LOADED) ? VISIBLE : INVISIBLE);
+    }
+
+    @Override
+    public void animateTo(int toTouchX, int toTouchY, Runnable onCompleteRunnable, int duration) {
+        mTempLoc[0] = toTouchX - mRegistrationX;
+        mTempLoc[1] = toTouchY - mRegistrationY;
+        mActivity.getDragLayer().animateViewIntoPosition(this, mTempLoc, 1f, mScaleOnDrop,
+                mScaleOnDrop, DragLayer.ANIMATION_END_DISAPPEAR, onCompleteRunnable, duration);
+    }
+}
diff --git a/src/com/android/launcher3/graphics/DragPreviewProvider.java b/src/com/android/launcher3/graphics/DragPreviewProvider.java
index a549750..f027b33 100644
--- a/src/com/android/launcher3/graphics/DragPreviewProvider.java
+++ b/src/com/android/launcher3/graphics/DragPreviewProvider.java
@@ -32,13 +32,13 @@
 import androidx.annotation.Nullable;
 
 import com.android.launcher3.BubbleTextView;
-import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.dragndrop.DraggableView;
 import com.android.launcher3.icons.BitmapRenderer;
 import com.android.launcher3.icons.FastBitmapDrawable;
 import com.android.launcher3.util.SafeCloseable;
+import com.android.launcher3.views.ActivityContext;
 import com.android.launcher3.widget.LauncherAppWidgetHostView;
 
 import java.nio.ByteBuffer;
@@ -150,7 +150,7 @@
     }
 
     public float getScaleAndPosition(Drawable preview, int[] outPos) {
-        float scale = Launcher.getLauncher(mView.getContext())
+        float scale = ActivityContext.lookupContext(mView.getContext())
                 .getDragLayer().getLocationInDragLayer(mView, outPos);
         if (mView instanceof LauncherAppWidgetHostView) {
             // App widgets are technically scaled, but are drawn at their expected size -- so the
@@ -167,7 +167,7 @@
 
     /** Returns the scale and position of a given view for drag-n-drop. */
     public float getScaleAndPosition(View view, int[] outPos) {
-        float scale = Launcher.getLauncher(mView.getContext())
+        float scale = ActivityContext.lookupContext(mView.getContext())
                 .getDragLayer().getLocationInDragLayer(mView, outPos);
         if (mView instanceof LauncherAppWidgetHostView) {
             // App widgets are technically scaled, but are drawn at their expected size -- so the
@@ -201,7 +201,7 @@
         public void run() {
             Bitmap preview = convertPreviewToAlphaBitmap(mPreviewSnapshot);
             if (mIsIcon) {
-                int size = Launcher.getLauncher(mContext).getDeviceProfile().iconSizePx;
+                int size = ActivityContext.lookupContext(mContext).getDeviceProfile().iconSizePx;
                 preview = Bitmap.createScaledBitmap(preview, size, size, false);
             }
             //else case covers AppWidgetHost (doesn't drag/drop across different device profiles)
diff --git a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
index 2a1aec8..952b850 100644
--- a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
+++ b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
@@ -79,6 +79,7 @@
 import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.IntArray;
+import com.android.launcher3.util.IntSet;
 import com.android.launcher3.util.MainThreadInitializedObject;
 import com.android.launcher3.views.ActivityContext;
 import com.android.launcher3.views.BaseDragLayer;
@@ -391,11 +392,14 @@
         ArrayList<ItemInfo> otherWorkspaceItems = new ArrayList<>();
         ArrayList<LauncherAppWidgetInfo> currentAppWidgets = new ArrayList<>();
         ArrayList<LauncherAppWidgetInfo> otherAppWidgets = new ArrayList<>();
-        filterCurrentWorkspaceItems(0 /* currentScreenId */,
-                dataModel.workspaceItems, currentWorkspaceItems,
-                otherWorkspaceItems);
-        filterCurrentWorkspaceItems(0 /* currentScreenId */, dataModel.appWidgets,
-                currentAppWidgets, otherAppWidgets);
+
+        IntSet currentScreenIds = IntSet.wrap(0);
+        // TODO(b/185508060): support two panel preview.
+        filterCurrentWorkspaceItems(currentScreenIds, dataModel.workspaceItems,
+                currentWorkspaceItems, otherWorkspaceItems);
+        filterCurrentWorkspaceItems(currentScreenIds, dataModel.appWidgets, currentAppWidgets,
+                otherAppWidgets);
+
         sortWorkspaceItemsSpatially(mIdp, currentWorkspaceItems);
         for (ItemInfo itemInfo : currentWorkspaceItems) {
             switch (itemInfo.itemType) {
diff --git a/src/com/android/launcher3/model/BaseLoaderResults.java b/src/com/android/launcher3/model/BaseLoaderResults.java
index 5c85bab..12ee676 100644
--- a/src/com/android/launcher3/model/BaseLoaderResults.java
+++ b/src/com/android/launcher3/model/BaseLoaderResults.java
@@ -24,13 +24,13 @@
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherModel.CallbackTask;
-import com.android.launcher3.PagedView;
 import com.android.launcher3.model.BgDataModel.Callbacks;
 import com.android.launcher3.model.BgDataModel.FixedContainerItems;
 import com.android.launcher3.model.data.AppInfo;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.LauncherAppWidgetInfo;
 import com.android.launcher3.util.IntArray;
+import com.android.launcher3.util.IntSet;
 import com.android.launcher3.util.LooperExecutor;
 import com.android.launcher3.util.LooperIdleLock;
 import com.android.launcher3.util.ViewOnDrawExecutor;
@@ -160,20 +160,26 @@
         }
 
         private void bind() {
-            final int currentScreen;
+            IntSet currentScreenIndices;
             {
                 // Create an anonymous scope to calculate currentScreen as it has to be a
                 // final variable.
-                int currScreen = mCallbacks.getPageToBindSynchronously();
-                if (currScreen >= mOrderedScreenIds.size()) {
-                    // There may be no workspace screens (just hotseat items and an empty page).
-                    currScreen = PagedView.INVALID_PAGE;
+                IntSet screenIndices = mCallbacks.getPagesToBindSynchronously();
+                if (screenIndices == null || screenIndices.isEmpty()
+                        || screenIndices.getArray().get(screenIndices.size() - 1)
+                        >= mOrderedScreenIds.size()) {
+                    // There maybe no workspace screens (just hotseat items and an empty page).
+                    // Also we want to prevent IndexOutOfBoundsExceptions.
+                    screenIndices = new IntSet();
                 }
-                currentScreen = currScreen;
+                currentScreenIndices = screenIndices;
             }
-            final boolean validFirstPage = currentScreen >= 0;
-            final int currentScreenId =
-                    validFirstPage ? mOrderedScreenIds.get(currentScreen) : INVALID_SCREEN_ID;
+
+            final boolean validFirstPage = !currentScreenIndices.isEmpty();
+
+            IntSet currentScreenIds  = new IntSet();
+            currentScreenIndices.forEach(
+                    index -> currentScreenIds.add(mOrderedScreenIds.get(index)));
 
             // Separate the items that are on the current screen, and all the other remaining items
             ArrayList<ItemInfo> currentWorkspaceItems = new ArrayList<>();
@@ -181,9 +187,9 @@
             ArrayList<LauncherAppWidgetInfo> currentAppWidgets = new ArrayList<>();
             ArrayList<LauncherAppWidgetInfo> otherAppWidgets = new ArrayList<>();
 
-            filterCurrentWorkspaceItems(currentScreenId, mWorkspaceItems, currentWorkspaceItems,
+            filterCurrentWorkspaceItems(currentScreenIds, mWorkspaceItems, currentWorkspaceItems,
                     otherWorkspaceItems);
-            filterCurrentWorkspaceItems(currentScreenId, mAppWidgets, currentAppWidgets,
+            filterCurrentWorkspaceItems(currentScreenIds, mAppWidgets, currentAppWidgets,
                     otherAppWidgets);
             final InvariantDeviceProfile idp = mApp.getInvariantDeviceProfile();
             sortWorkspaceItemsSpatially(idp, currentWorkspaceItems);
@@ -220,14 +226,14 @@
             bindWorkspaceItems(otherWorkspaceItems, deferredExecutor);
             bindAppWidgets(otherAppWidgets, deferredExecutor);
             // Tell the workspace that we're done binding items
-            executeCallbacksTask(c -> c.finishBindingItems(currentScreen), deferredExecutor);
+            executeCallbacksTask(c -> c.finishBindingItems(currentScreenIndices), deferredExecutor);
 
             if (validFirstPage) {
                 executeCallbacksTask(c -> {
                     // We are loading synchronously, which means, some of the pages will be
                     // bound after first draw. Inform the mCallbacks that page binding is
                     // not complete, and schedule the remaining pages.
-                    c.onPageBoundSynchronously(currentScreen);
+                    c.onPagesBoundSynchronously(currentScreenIndices);
                     c.executeOnNextDraw((ViewOnDrawExecutor) deferredExecutor);
 
                 }, mUiExecutor);
diff --git a/src/com/android/launcher3/model/BgDataModel.java b/src/com/android/launcher3/model/BgDataModel.java
index 1d7d1a2..0740a30 100644
--- a/src/com/android/launcher3/model/BgDataModel.java
+++ b/src/com/android/launcher3/model/BgDataModel.java
@@ -117,6 +117,11 @@
     public int lastBindId = 0;
 
     /**
+     * Value that indicates if left widget panel is shown or not.
+     */
+    public boolean isLeftPanelShown = false;
+
+    /**
      * Clears all the data
      */
     public synchronized void clear() {
@@ -141,6 +146,14 @@
         if (FeatureFlags.QSB_ON_FIRST_SCREEN || screenSet.isEmpty()) {
             screenSet.add(Workspace.FIRST_SCREEN_ID);
         }
+
+        if (isLeftPanelShown) {
+            // We should add it even though there are no items on it.
+            screenSet.add(Workspace.LEFT_PANEL_ID);
+        } else {
+            // We should NOT add it even though there are items on it.
+            screenSet.remove(Workspace.LEFT_PANEL_ID);
+        }
         return screenSet.getArray();
     }
 
@@ -446,15 +459,16 @@
         int FLAG_QUIET_MODE_CHANGE_PERMISSION = 1 << 2;
 
         /**
-         * Returns the page number to bind first, synchronously if possible or -1
+         * Returns an IntSet of page numbers to bind first, synchronously if possible
+         * or an empty IntSet
          */
-        int getPageToBindSynchronously();
+        IntSet getPagesToBindSynchronously();
         void clearPendingBinds();
         void startBinding();
         void bindItems(List<ItemInfo> shortcuts, boolean forceAnimateIcons);
         void bindScreens(IntArray orderedScreenIds);
         void finishFirstPageBind(ViewOnDrawExecutor executor);
-        void finishBindingItems(int pageBoundFirst);
+        void finishBindingItems(IntSet pagesBoundFirst);
         void preAddApps();
         void bindAppsAdded(IntArray newScreens,
                 ArrayList<ItemInfo> addNotAnimated, ArrayList<ItemInfo> addAnimated);
@@ -468,7 +482,7 @@
         void bindRestoreItemsChange(HashSet<ItemInfo> updates);
         void bindWorkspaceComponentsRemoved(ItemInfoMatcher matcher);
         void bindAllWidgets(List<WidgetsListBaseEntry> widgets);
-        void onPageBoundSynchronously(int page);
+        void onPagesBoundSynchronously(IntSet pages);
         void executeOnNextDraw(ViewOnDrawExecutor executor);
         void bindDeepShortcutMap(HashMap<ComponentKey, Integer> deepShortcutMap);
 
diff --git a/src/com/android/launcher3/model/LoaderTask.java b/src/com/android/launcher3/model/LoaderTask.java
index 79396b1..34a21fe 100644
--- a/src/com/android/launcher3/model/LoaderTask.java
+++ b/src/com/android/launcher3/model/LoaderTask.java
@@ -83,6 +83,7 @@
 import com.android.launcher3.shortcuts.ShortcutRequest.QueryResult;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.IOUtils;
+import com.android.launcher3.util.IntSet;
 import com.android.launcher3.util.LooperIdleLock;
 import com.android.launcher3.util.PackageManagerHelper;
 import com.android.launcher3.util.PackageUserKey;
@@ -173,8 +174,9 @@
         ArrayList<ItemInfo> allItems = mBgDataModel.getAllWorkspaceItems();
         // Screen set is never empty
         final int firstScreen = mBgDataModel.collectWorkspaceScreens().get(0);
+        // TODO(b/185515153): support two panel home.
 
-        filterCurrentWorkspaceItems(firstScreen, allItems, firstScreenItems,
+        filterCurrentWorkspaceItems(IntSet.wrap(firstScreen), allItems, firstScreenItems,
                 new ArrayList<>() /* otherScreenItems are ignored */);
         mFirstScreenBroadcast.sendBroadcasts(mApp.getContext(), firstScreenItems);
     }
diff --git a/src/com/android/launcher3/model/ModelUtils.java b/src/com/android/launcher3/model/ModelUtils.java
index 9b5fac8..58aa9e5 100644
--- a/src/com/android/launcher3/model/ModelUtils.java
+++ b/src/com/android/launcher3/model/ModelUtils.java
@@ -51,7 +51,8 @@
      * Filters the set of items who are directly or indirectly (via another container) on the
      * specified screen.
      */
-    public static <T extends ItemInfo> void filterCurrentWorkspaceItems(int currentScreenId,
+    public static <T extends ItemInfo> void filterCurrentWorkspaceItems(
+            IntSet currentScreenIds,
             ArrayList<T> allWorkspaceItems,
             ArrayList<T> currentScreenItems,
             ArrayList<T> otherScreenItems) {
@@ -65,7 +66,7 @@
                 (lhs, rhs) -> Integer.compare(lhs.container, rhs.container));
         for (T info : allWorkspaceItems) {
             if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) {
-                if (info.screenId == currentScreenId) {
+                if (currentScreenIds.contains(info.screenId)) {
                     currentScreenItems.add(info);
                     itemsOnScreen.add(info.id);
                 } else {
diff --git a/src/com/android/launcher3/model/ModelWriter.java b/src/com/android/launcher3/model/ModelWriter.java
index 080ce20..2b93118 100644
--- a/src/com/android/launcher3/model/ModelWriter.java
+++ b/src/com/android/launcher3/model/ModelWriter.java
@@ -112,6 +112,13 @@
         }
     }
 
+    /**
+     * Sets the value that indicates if left widget panel is shown or not.
+     */
+    public void setLeftPanelShown(boolean value) {
+        mBgDataModel.isLeftPanelShown = value;
+    }
+
     private void checkItemInfoLocked(int itemId, ItemInfo item, StackTraceElement[] stackTrace) {
         ItemInfo modelItem = mBgDataModel.itemsIdMap.get(itemId);
         if (modelItem != null && item != modelItem) {
diff --git a/src/com/android/launcher3/secondarydisplay/SecondaryDisplayLauncher.java b/src/com/android/launcher3/secondarydisplay/SecondaryDisplayLauncher.java
index 5999091..b271a6a 100644
--- a/src/com/android/launcher3/secondarydisplay/SecondaryDisplayLauncher.java
+++ b/src/com/android/launcher3/secondarydisplay/SecondaryDisplayLauncher.java
@@ -41,6 +41,7 @@
 import com.android.launcher3.popup.PopupDataProvider;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.IntArray;
+import com.android.launcher3.util.IntSet;
 import com.android.launcher3.util.ItemInfoMatcher;
 import com.android.launcher3.util.Themes;
 import com.android.launcher3.util.ViewOnDrawExecutor;
@@ -175,8 +176,8 @@
     }
 
     @Override
-    public int getPageToBindSynchronously() {
-        return 0;
+    public IntSet getPagesToBindSynchronously() {
+        return new IntSet();
     }
 
     @Override
@@ -199,7 +200,7 @@
     }
 
     @Override
-    public void finishBindingItems(int pageBoundFirst) { }
+    public void finishBindingItems(IntSet pagesBoundFirst) { }
 
     @Override
     public void preAddApps() { }
@@ -229,7 +230,7 @@
     public void bindAllWidgets(List<WidgetsListBaseEntry> widgets) { }
 
     @Override
-    public void onPageBoundSynchronously(int page) { }
+    public void onPagesBoundSynchronously(IntSet pages) { }
 
     @Override
     public void executeOnNextDraw(ViewOnDrawExecutor executor) {
diff --git a/src/com/android/launcher3/util/IntArray.java b/src/com/android/launcher3/util/IntArray.java
index 7252f7a..e7235e7 100644
--- a/src/com/android/launcher3/util/IntArray.java
+++ b/src/com/android/launcher3/util/IntArray.java
@@ -17,13 +17,14 @@
 package com.android.launcher3.util;
 
 import java.util.Arrays;
+import java.util.Iterator;
 import java.util.StringTokenizer;
 
 /**
  * Copy of the platform hidden implementation of android.util.IntArray.
  * Implements a growing array of int primitives.
  */
-public class IntArray implements Cloneable {
+public class IntArray implements Cloneable, Iterable<Integer> {
     private static final int MIN_CAPACITY_INCREMENT = 12;
 
     private static final int[] EMPTY_INT = new int[0];
@@ -272,4 +273,30 @@
             throw new ArrayIndexOutOfBoundsException("length=" + len + "; index=" + index);
         }
     }
+
+    @Override
+    public Iterator<Integer> iterator() {
+        return new ValueIterator();
+    }
+
+    @Thunk
+    class ValueIterator implements Iterator<Integer> {
+
+        private int mNextIndex = 0;
+
+        @Override
+        public boolean hasNext() {
+            return mNextIndex < size();
+        }
+
+        @Override
+        public Integer next() {
+            return get(mNextIndex++);
+        }
+
+        @Override
+        public void remove() {
+            throw new UnsupportedOperationException();
+        }
+    }
 }
\ No newline at end of file
diff --git a/src/com/android/launcher3/util/IntSet.java b/src/com/android/launcher3/util/IntSet.java
index 851f129..0f4df62 100644
--- a/src/com/android/launcher3/util/IntSet.java
+++ b/src/com/android/launcher3/util/IntSet.java
@@ -16,11 +16,13 @@
 package com.android.launcher3.util;
 
 import java.util.Arrays;
+import java.util.Iterator;
 
 /**
  * A wrapper over IntArray implementing a growing set of int primitives.
+ * The elements in the array are sorted in ascending order.
  */
-public class IntSet {
+public class IntSet implements Iterable<Integer> {
 
     final IntArray mArray = new IntArray();
 
@@ -34,6 +36,16 @@
         }
     }
 
+    /**
+     * Removes the specified value from the set if it exist.
+     */
+    public void remove(int value) {
+        int index = Arrays.binarySearch(mArray.mValues, 0, mArray.mSize, value);
+        if (index >= 0) {
+            mArray.removeIndex(index);
+        }
+    }
+
     public boolean contains(int value) {
         return Arrays.binarySearch(mArray.mValues, 0, mArray.mSize, value) >= 0;
     }
@@ -61,6 +73,9 @@
         return (obj instanceof IntSet) && ((IntSet) obj).mArray.equals(mArray);
     }
 
+    /**
+     * Returns the wrapped IntArray. The elements in the array are sorted in ascending order.
+     */
     public IntArray getArray() {
         return mArray;
     }
@@ -78,4 +93,21 @@
         Arrays.sort(set.mArray.mValues, 0, set.mArray.mSize);
         return set;
     }
+
+    /**
+     * Returns an IntSet with the given values.
+     */
+    public static IntSet wrap(int... array) {
+        return wrap(IntArray.wrap(array));
+    }
+
+    @Override
+    public Iterator<Integer> iterator() {
+        return mArray.iterator();
+    }
+
+    @Override
+    public String toString() {
+        return "IntSet{" + mArray.toConcatString() + '}';
+    }
 }
diff --git a/src/com/android/launcher3/views/ActivityContext.java b/src/com/android/launcher3/views/ActivityContext.java
index 646b669..b95904e 100644
--- a/src/com/android/launcher3/views/ActivityContext.java
+++ b/src/com/android/launcher3/views/ActivityContext.java
@@ -21,9 +21,12 @@
 import android.view.LayoutInflater;
 import android.view.View.AccessibilityDelegate;
 
+import androidx.annotation.Nullable;
+
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.dot.DotInfo;
 import com.android.launcher3.dragndrop.DragController;
+import com.android.launcher3.folder.FolderIcon;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.util.ViewCache;
 
@@ -100,6 +103,13 @@
     }
 
     /**
+     * Returns the FolderIcon with the given item id, if it exists.
+     */
+    default @Nullable FolderIcon findFolderIcon(final int folderIconId) {
+        return null;
+    }
+
+    /**
      * Returns the ActivityContext associated with the given Context.
      */
     static <T extends Context & ActivityContext> T lookupContext(Context context) {
diff --git a/src_ui_overrides/com/android/launcher3/uioverrides/ApiWrapper.java b/src_ui_overrides/com/android/launcher3/uioverrides/ApiWrapper.java
index 4407fe1..c606861 100644
--- a/src_ui_overrides/com/android/launcher3/uioverrides/ApiWrapper.java
+++ b/src_ui_overrides/com/android/launcher3/uioverrides/ApiWrapper.java
@@ -17,6 +17,7 @@
 package com.android.launcher3.uioverrides;
 
 import android.app.Person;
+import android.content.Context;
 import android.content.pm.ShortcutInfo;
 import android.view.Display;
 
@@ -36,4 +37,11 @@
     public static boolean isInternalDisplay(Display display) {
         return display.getDisplayId() == Display.DEFAULT_DISPLAY;
     }
+
+    /**
+     * Returns the minimum space that should be left empty at the start of hotseat
+     */
+    public static int getHotseatStartOffset(Context context) {
+        return 0;
+    }
 }