diff --git a/Android.bp b/Android.bp
index ddb6b93..0575602 100644
--- a/Android.bp
+++ b/Android.bp
@@ -258,6 +258,10 @@
         "go/res",
         "go/quickstep/res",
     ],
+    // Note the ordering here is important when it comes to resource
+    // overriding. We want the most specific resource overrides defined
+    // in QuickstepResLib to take precendece, so it should be the final
+    // dependency. See b/205278434 for how this can go wrong.
     static_libs: [
         "Launcher3CommonDepsLib",
         "QuickstepResLib",
@@ -285,11 +289,15 @@
     libs: [
         "framework-statsd",
     ],
+    // Note the ordering here is important when it comes to resource
+    // overriding. We want the most specific resource overrides defined
+    // in QuickstepResLib to take precendece, so it should be the final
+    // dependency. See b/208647810 for how this can go wrong.
     static_libs: [
-        "QuickstepResLib",
         "SystemUI-statsd",
         "SystemUISharedLib",
         "Launcher3CommonDepsLib",
+        "QuickstepResLib",
     ],
     manifest: "quickstep/AndroidManifest.xml",
     platform_apis: true,
diff --git a/protos/launcher_atom.proto b/protos/launcher_atom.proto
index d1bf152..c559988 100644
--- a/protos/launcher_atom.proto
+++ b/protos/launcher_atom.proto
@@ -60,6 +60,7 @@
     PredictedHotseatContainer predicted_hotseat_container = 10;
     TaskSwitcherContainer task_switcher_container = 11;
     TaskBarContainer task_bar_container = 12;
+    WallpapersContainer wallpapers_container = 13;
     ExtendedContainers extended_containers = 20;
   }
 }
@@ -247,6 +248,12 @@
   }
 }
 
+// Represents wallpapers container for quick switching.
+message WallpapersContainer {
+  // Number of wallpapers in the container.
+  optional int32 cardinality = 1;
+}
+
 // Represents state of EditText field before update.
 enum FromState {
   // Default value.
diff --git a/quickstep/AndroidManifest.xml b/quickstep/AndroidManifest.xml
index e41fd74..352cd3e 100644
--- a/quickstep/AndroidManifest.xml
+++ b/quickstep/AndroidManifest.xml
@@ -28,6 +28,7 @@
     <uses-permission android:name="android.permission.QUERY_ALL_PACKAGES"/>
     <uses-permission android:name="android.permission.START_TASKS_FROM_RECENTS"/>
     <uses-permission android:name="android.permission.REMOVE_TASKS"/>
+    <uses-permission android:name="android.permission.WRITE_SECURE_SETTINGS"/>
     <uses-permission android:name="android.permission.MANAGE_ACTIVITY_TASKS"/>
     <uses-permission android:name="android.permission.STATUS_BAR"/>
     <uses-permission android:name="android.permission.STOP_APP_SWITCHES"/>
diff --git a/quickstep/res/drawable/ic_screenshot.xml b/quickstep/res/drawable/ic_screenshot.xml
index d97eae1..9ee6c44 100644
--- a/quickstep/res/drawable/ic_screenshot.xml
+++ b/quickstep/res/drawable/ic_screenshot.xml
@@ -13,11 +13,20 @@
      limitations under the License.
 -->
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
+    android:width="20dp"
+    android:height="20dp"
+    android:viewportWidth="20"
+    android:viewportHeight="20">
   <path
-      android:fillColor="#FF000000"
-      android:pathData="M17,1.01L7,1c-1.1,0 -2,0.9 -2,2v18c0,1.1 0.9,2 2,2h10c1.1,0 2,-0.9 2,-2L19,3c0,-1.1 -0.9,-1.99 -2,-1.99zM17,21L7,21v-1h10v1zM17,18L7,18L7,6h10v12zM17,4L7,4L7,3h10v1zM9.5,8.5L12,8.5L12,7L8,7v4h1.5zM12,17h4v-4h-1.5v2.5L12,15.5z"/>
-</vector>
+      android:pathData="M5.8334,1.666H8.3334V3.3327H5.8334V6.666H4.1667V3.3327C4.1667,2.4122 4.9129,1.666 5.8334,1.666Z"
+      android:fillColor="#000000"/>
+  <path
+      android:pathData="M4.1667,13.3327V16.666C4.1667,17.5865 4.9129,18.3327 5.8334,18.3327H8.3334V16.666H5.8334V13.3327H4.1667Z"
+      android:fillColor="#000000"/>
+  <path
+      android:pathData="M14.1667,13.3327V16.666H11.6667V18.3327H14.1667C15.0872,18.3327 15.8334,17.5865 15.8334,16.666V13.3327H14.1667Z"
+      android:fillColor="#000000"/>
+  <path
+      android:pathData="M15.8334,6.666V3.3327C15.8334,2.4122 15.0872,1.666 14.1667,1.666H11.6667V3.3327H14.1667V6.666H15.8334Z"
+      android:fillColor="#000000"/>
+</vector>
\ No newline at end of file
diff --git a/quickstep/res/drawable/taskbar_icon_click_feedback_roundrect.xml b/quickstep/res/drawable/taskbar_icon_click_feedback_roundrect.xml
index d6160de..534f241 100644
--- a/quickstep/res/drawable/taskbar_icon_click_feedback_roundrect.xml
+++ b/quickstep/res/drawable/taskbar_icon_click_feedback_roundrect.xml
@@ -16,7 +16,7 @@
   -->
 
 <ripple xmlns:android="http://schemas.android.com/apk/res/android"
-    android:color="@color/taskbar_icon_selection_ripple">
+    android:color="@color/taskbar_nav_icon_selection_ripple">
     <item android:id="@android:id/mask">
         <shape android:shape="rectangle">
             <solid android:color="@android:color/white" />
diff --git a/quickstep/res/layout/overview_actions_container.xml b/quickstep/res/layout/overview_actions_container.xml
index dd8afc2..0fda0bf 100644
--- a/quickstep/res/layout/overview_actions_container.xml
+++ b/quickstep/res/layout/overview_actions_container.xml
@@ -38,6 +38,20 @@
             android:layout_height="wrap_content"
             android:drawableStart="@drawable/ic_screenshot"
             android:text="@string/action_screenshot"
+            android:theme="@style/ThemeControlHighlightWorkspaceColor" />
+
+        <Space
+            android:id="@+id/action_split_space"
+            android:layout_width="@dimen/overview_actions_button_spacing"
+            android:layout_height="1dp"
+            android:visibility="gone" />
+
+        <Button
+            android:id="@+id/action_split"
+            style="@style/OverviewActionButton"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/action_split"
             android:theme="@style/ThemeControlHighlightWorkspaceColor"
             android:visibility="gone" />
 
@@ -46,23 +60,6 @@
             android:layout_height="1dp"
             android:layout_weight="1" />
 
-        <Button
-            android:id="@+id/action_split"
-            style="@style/OverviewActionButton"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:drawableStart="@drawable/ic_split_screen"
-            android:text="@string/action_split"
-            android:theme="@style/ThemeControlHighlightWorkspaceColor"
-            android:visibility="gone" />
-
-        <Space
-            android:id="@+id/action_split_space"
-            android:layout_width="0dp"
-            android:layout_height="1dp"
-            android:layout_weight="1"
-            android:visibility="gone" />
-
         <Space
             android:id="@+id/oav_three_button_space"
             android:layout_width="0dp"
diff --git a/quickstep/res/layout/taskbar_nav_button.xml b/quickstep/res/layout/taskbar_nav_button.xml
index 4ffb8d8..aea4885 100644
--- a/quickstep/res/layout/taskbar_nav_button.xml
+++ b/quickstep/res/layout/taskbar_nav_button.xml
@@ -15,7 +15,10 @@
 -->
 <ImageView
     xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     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
+    android:scaleType="center"
+    android:tint="@color/taskbar_nav_icon_light_color"
+    tools:ignore="UseAppTint" />
\ No newline at end of file
diff --git a/quickstep/res/values-sw720dp/dimens.xml b/quickstep/res/values-sw720dp/dimens.xml
new file mode 100644
index 0000000..2831a6f
--- /dev/null
+++ b/quickstep/res/values-sw720dp/dimens.xml
@@ -0,0 +1,21 @@
+<?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>
+    <dimen name="overview_grid_row_spacing">44dp</dimen>
+    <dimen name="overview_page_spacing_grid_portrait">44dp</dimen>
+    <dimen name="overview_page_spacing_grid_landscape">44dp</dimen>
+</resources>
diff --git a/quickstep/res/values/colors.xml b/quickstep/res/values/colors.xml
index f237d26..671a617 100644
--- a/quickstep/res/values/colors.xml
+++ b/quickstep/res/values/colors.xml
@@ -25,14 +25,14 @@
 
     <!-- Taskbar -->
     <color name="taskbar_background">@color/overview_scrim_dark</color>
-    <color name="taskbar_icon_selection_ripple">#E0E0E0</color>
-
+    <color name="taskbar_nav_icon_selection_ripple">#E0E0E0</color>
+    <color name="taskbar_nav_icon_light_color">#ffffff</color>
+    <!-- The dark navigation button color is only used in the rare cases that taskbar isn't drawing
+    its background and the underlying app has requested dark buttons. -->
+    <color name="taskbar_nav_icon_dark_color">#99000000</color>
     <color name="taskbar_stashed_handle_light_color">#EBffffff</color>
     <color name="taskbar_stashed_handle_dark_color">#99000000</color>
 
-    <color name="rotation_button_light_color">#FFF</color>
-    <color name="rotation_button_dark_color">#99000000</color>
-
     <!-- Gesture navigation tutorial -->
     <color name="gesture_tutorial_back_arrow_color">#FFFFFFFF</color>
 
diff --git a/quickstep/res/values/config.xml b/quickstep/res/values/config.xml
index 31c0f5f..3a4bb10 100644
--- a/quickstep/res/values/config.xml
+++ b/quickstep/res/values/config.xml
@@ -39,4 +39,8 @@
     <string name="wellbeing_provider_pkg" translatable="false"/>
 
     <integer name="max_depth_blur_radius">23</integer>
+
+    <!-- Accessibility actions -->
+    <item type="id" name="action_move_to_top_or_left" />
+    <item type="id" name="action_move_to_bottom_or_right" />
 </resources>
diff --git a/quickstep/res/values/dimens.xml b/quickstep/res/values/dimens.xml
index 4e6b7b9..3b2d44b 100644
--- a/quickstep/res/values/dimens.xml
+++ b/quickstep/res/values/dimens.xml
@@ -36,9 +36,12 @@
     <dimen name="overview_task_margin">16dp</dimen>
     <dimen name="overview_task_margin_focused">12dp</dimen>
     <dimen name="overview_task_margin_grid">4dp</dimen>
+    <item name="overview_max_scale" format="float" type="dimen">0.7</item>
 
     <!-- Overrideable in overlay that provides the Overview Actions. -->
     <dimen name="overview_actions_height">48dp</dimen>
+    <dimen name="overview_actions_button_spacing">32dp</dimen>
+    <dimen name="overview_actions_button_spacing_grid">36dp</dimen>
     <dimen name="overview_actions_margin_gesture">28dp</dimen>
     <dimen name="overview_actions_top_margin_gesture_grid_portrait">19.37dp</dimen>
     <dimen name="overview_actions_bottom_margin_gesture_grid_portrait">22dp</dimen>
@@ -49,9 +52,10 @@
 
     <dimen name="overview_grid_side_margin_portrait">60dp</dimen>
     <dimen name="overview_grid_side_margin_landscape">52dp</dimen>
-    <dimen name="overview_grid_row_spacing_portrait">17.13dp</dimen>
-    <dimen name="overview_grid_row_spacing_landscape">13.38dp</dimen>
-    <dimen name="overview_grid_focus_vertical_margin">0dp</dimen>
+    <dimen name="overview_grid_row_spacing">36dp</dimen>
+    <dimen name="overview_page_spacing">16dp</dimen>
+    <dimen name="overview_page_spacing_grid_portrait">36dp</dimen>
+    <dimen name="overview_page_spacing_grid_landscape">38dp</dimen>
 
     <!-- These speeds are in dp/s -->
     <dimen name="max_task_dismiss_drag_velocity">2.25dp</dimen>
@@ -59,8 +63,6 @@
     <dimen name="default_task_dismiss_drag_velocity_grid">1dp</dimen>
     <dimen name="default_task_dismiss_drag_velocity_grid_focus_task">5dp</dimen>
 
-    <dimen name="recents_page_spacing">16dp</dimen>
-    <dimen name="recents_page_spacing_grid">36dp</dimen>
     <dimen name="recents_clear_all_deadzone_vertical_margin">70dp</dimen>
 
     <!-- The speed in dp/s at which the user needs to be scrolling in recents such that we start
diff --git a/quickstep/res/values/strings.xml b/quickstep/res/values/strings.xml
index 151b8e4..fce49dd 100644
--- a/quickstep/res/values/strings.xml
+++ b/quickstep/res/values/strings.xml
@@ -218,10 +218,10 @@
     <string name="taskbar_edu_closed">Taskbar education closed</string>
     <!-- Text in dialog that lets a user know how they can use the taskbar to switch apps on their device.
          [CHAR_LIMIT=60] -->
-    <string name="taskbar_edu_switch_apps" translatable="false">Use the taskbar to switch apps</string>
+    <string name="taskbar_edu_switch_apps">Use the taskbar to switch apps</string>
     <!-- Text in dialog that lets a user know how they can use the taskbar to use multiple apps at once on their device.
          [CHAR_LIMIT=60] -->
-    <string name="taskbar_edu_splitscreen" translatable="false">Drag to the side to use two apps at once</string>
+    <string name="taskbar_edu_splitscreen">Drag to the side to use two apps at once</string>
     <!-- Text in dialog that lets a user know how they can hide the taskbar on their device.
          [CHAR_LIMIT=60] -->
     <string name="taskbar_edu_stashing">Touch &amp; hold to hide the taskbar</string>
@@ -233,4 +233,9 @@
     <string name="taskbar_edu_close">Close</string>
     <!-- Text on button to finish a tutorial [CHAR_LIMIT=16] -->
     <string name="taskbar_edu_done">Done</string>
+
+    <!-- Label for moving drop target to the top or left side of the screen, depending on orientation (from the taskbar only). -->
+    <string name="move_drop_target_top_or_left">Move to top&#47;left</string>
+    <!-- Label for moving drop target to the bottom or right side of the screen, depending on orientation (from the taskbar only). -->
+    <string name="move_drop_target_bottom_or_right">Move to bottom&#47;right</string>
 </resources>
diff --git a/quickstep/src/com/android/launcher3/QuickstepAccessibilityDelegate.java b/quickstep/src/com/android/launcher3/QuickstepAccessibilityDelegate.java
index 96559cb..962fd91 100644
--- a/quickstep/src/com/android/launcher3/QuickstepAccessibilityDelegate.java
+++ b/quickstep/src/com/android/launcher3/QuickstepAccessibilityDelegate.java
@@ -44,7 +44,7 @@
 
     @Override
     protected boolean performAction(View host, ItemInfo item, int action, boolean fromKeyboard) {
-        QuickstepLauncher launcher = (QuickstepLauncher) mLauncher;
+        QuickstepLauncher launcher = (QuickstepLauncher) mContext;
         if (action == PIN_PREDICTION) {
             if (launcher.getHotseatPredictionController() == null) {
                 return false;
diff --git a/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java b/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
index 51d7914..0123c4f 100644
--- a/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
+++ b/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
@@ -1214,14 +1214,14 @@
     }
 
     /**
-     * Returns view on the workspace that corresponds to the closing app in the list of app targets
+     * Returns view on launcher that corresponds to the closing app in the list of app targets
      */
-    private @Nullable View findWorkspaceView(RemoteAnimationTargetCompat[] appTargets) {
+    private @Nullable View findLauncherView(RemoteAnimationTargetCompat[] appTargets) {
         for (RemoteAnimationTargetCompat appTarget : appTargets) {
             if (appTarget.mode == MODE_CLOSING) {
-                View workspaceView = findWorkspaceView(appTarget);
-                if (workspaceView != null) {
-                    return workspaceView;
+                View launcherView = findLauncherView(appTarget);
+                if (launcherView != null) {
+                    return launcherView;
                 }
             }
         }
@@ -1229,9 +1229,9 @@
     }
 
     /**
-     * Returns view on the workspace that corresponds to the {@param runningTaskTarget}.
+     * Returns view on launcher that corresponds to the {@param runningTaskTarget}.
      */
-    private @Nullable View findWorkspaceView(RemoteAnimationTargetCompat runningTaskTarget) {
+    private @Nullable View findLauncherView(RemoteAnimationTargetCompat runningTaskTarget) {
         if (runningTaskTarget == null || runningTaskTarget.taskInfo == null) {
             return null;
         }
@@ -1269,7 +1269,7 @@
             }
         }
 
-        return mLauncher.getWorkspace().getFirstMatchForAppClose(launchCookieItemId,
+        return mLauncher.getFirstMatchForAppClose(launchCookieItemId,
                 packageName, UserHandle.of(runningTaskTarget.taskInfo.userId));
     }
 
@@ -1292,7 +1292,7 @@
      * Closing animator that animates the window into its final location on the workspace.
      */
     private void getClosingWindowAnimators(AnimatorSet animation,
-            RemoteAnimationTargetCompat[] targets, View workspaceView) {
+            RemoteAnimationTargetCompat[] targets, View launcherView, PointF velocityPxPerS) {
         FloatingIconView floatingIconView = null;
         FloatingWidgetView floatingWidget = null;
         RectF targetRect = new RectF();
@@ -1308,17 +1308,17 @@
         }
 
         // Get floating view and target rect.
-        if (workspaceView instanceof LauncherAppWidgetHostView) {
+        if (launcherView instanceof LauncherAppWidgetHostView) {
             Size windowSize = new Size(mDeviceProfile.availableWidthPx,
                     mDeviceProfile.availableHeightPx);
             int fallbackBackgroundColor =
                     FloatingWidgetView.getDefaultBackgroundColor(mLauncher, runningTaskTarget);
             floatingWidget = FloatingWidgetView.getFloatingWidgetView(mLauncher,
-                    (LauncherAppWidgetHostView) workspaceView, targetRect, windowSize,
+                    (LauncherAppWidgetHostView) launcherView, targetRect, windowSize,
                     mDeviceProfile.isMultiWindowMode ? 0 : getWindowCornerRadius(mLauncher),
                     isTransluscent, fallbackBackgroundColor);
-        } else if (workspaceView != null) {
-            floatingIconView = getFloatingIconView(mLauncher, workspaceView,
+        } else if (launcherView != null) {
+            floatingIconView = getFloatingIconView(mLauncher, launcherView,
                     true /* hideOriginal */, targetRect, false /* isOpening */);
         } else {
             targetRect.set(getDefaultWindowTargetRect());
@@ -1373,15 +1373,10 @@
         }
 
         // Use a fixed velocity to start the animation.
-        float velocityPxPerS = DynamicResource.provider(mLauncher)
-                .getDimension(R.dimen.unlock_staggered_velocity_dp_per_s);
-        PointF velocity = new PointF(0, -velocityPxPerS);
-        animation.play(new StaggeredWorkspaceAnim(mLauncher, velocity.y,
-                true /* animateOverviewScrim */, workspaceView).getAnimators());
         animation.addListener(new AnimatorListenerAdapter() {
             @Override
             public void onAnimationStart(Animator animation) {
-                anim.start(mLauncher, velocity);
+                anim.start(mLauncher, velocityPxPerS);
             }
         });
     }
@@ -1556,22 +1551,30 @@
             if (anim == null) {
                 anim = new AnimatorSet();
 
-                View workspaceView = findWorkspaceView(appTargets);
-                boolean isWorkspaceViewVisible = workspaceView != null
-                        && !mLauncher.isInState(LauncherState.ALL_APPS)
-                        && !mLauncher.getWorkspace().isOverlayShown();
-                boolean playFallBackAnimation = !isWorkspaceViewVisible
-                        && (launcherIsATargetWithMode(appTargets, MODE_OPENING)
-                        || mLauncher.isForceInvisible());
+                final boolean launcherIsForceInvisibleOrOpening = mLauncher.isForceInvisible()
+                        || launcherIsATargetWithMode(appTargets, MODE_OPENING);
+
+                View launcherView = findLauncherView(appTargets);
+                boolean playFallBackAnimation = (launcherView == null
+                        && launcherIsForceInvisibleOrOpening)
+                        || mLauncher.getWorkspace().isOverlayShown();
 
                 boolean playWorkspaceReveal = true;
                 if (mFromUnlock) {
                     anim.play(getUnlockWindowAnimator(appTargets, wallpaperTargets));
                 } else if (ENABLE_BACK_SWIPE_HOME_ANIMATION.get()
                         && !playFallBackAnimation) {
-                    getClosingWindowAnimators(anim, appTargets, workspaceView);
-                    // We play StaggeredWorkspaceAnim as a part of the closing window animation.
-                    playWorkspaceReveal = false;
+                    // Use a fixed velocity to start the animation.
+                    float velocityPxPerS = DynamicResource.provider(mLauncher)
+                            .getDimension(R.dimen.unlock_staggered_velocity_dp_per_s);
+                    PointF velocity = new PointF(0, -velocityPxPerS);
+                    getClosingWindowAnimators(anim, appTargets, launcherView, velocity);
+                    if (!mLauncher.isInState(LauncherState.ALL_APPS)) {
+                        anim.play(new StaggeredWorkspaceAnim(mLauncher, velocity.y,
+                                true /* animateOverviewScrim */, launcherView).getAnimators());
+                        // We play StaggeredWorkspaceAnim as a part of the closing window animation.
+                        playWorkspaceReveal = false;
+                    }
                 } else {
                     anim.play(getFallbackClosingWindowAnimators(appTargets));
                 }
@@ -1584,8 +1587,7 @@
                 // targets list because it is already visible). In that case, we force
                 // invisibility on touch down, and only reset it after the animation to home
                 // is initialized.
-                if (launcherIsATargetWithMode(appTargets, MODE_OPENING)
-                        || mLauncher.isForceInvisible()) {
+                if (launcherIsForceInvisibleOrOpening) {
                     addCujInstrumentation(
                             anim, InteractionJankMonitorWrapper.CUJ_APP_CLOSE_TO_HOME);
                     // Only register the content animation for cancellation when state changes
diff --git a/quickstep/src/com/android/launcher3/model/QuickstepModelDelegate.java b/quickstep/src/com/android/launcher3/model/QuickstepModelDelegate.java
index e82c900..6ab49f8 100644
--- a/quickstep/src/com/android/launcher3/model/QuickstepModelDelegate.java
+++ b/quickstep/src/com/android/launcher3/model/QuickstepModelDelegate.java
@@ -161,8 +161,7 @@
             }
             InstanceId instanceId = new InstanceIdSequence().newInstanceId();
             for (ItemInfo info : itemsIdMap) {
-                FolderInfo parent = info.container > 0
-                        ? (FolderInfo) itemsIdMap.get(info.container) : null;
+                FolderInfo parent = getContainer(info, itemsIdMap);
                 StatsLogCompatManager.writeSnapshot(info.buildProto(parent), instanceId);
             }
             additionalSnapshotEvents(instanceId);
@@ -199,8 +198,7 @@
                         }
 
                         for (ItemInfo info : itemsIdMap) {
-                            FolderInfo parent = info.container > 0
-                                    ? (FolderInfo) itemsIdMap.get(info.container) : null;
+                            FolderInfo parent = getContainer(info, itemsIdMap);
                             LauncherAtom.ItemInfo itemInfo = info.buildProto(parent);
                             Log.d(TAG, itemInfo.toString());
                             StatsEvent statsEvent = StatsLogCompatManager.buildStatsEvent(itemInfo,
@@ -222,6 +220,22 @@
         }
     }
 
+    private static FolderInfo getContainer(ItemInfo info, IntSparseArrayMap<ItemInfo> itemsIdMap) {
+        if (info.container > 0) {
+            ItemInfo containerInfo = itemsIdMap.get(info.container);
+
+            if (!(containerInfo instanceof FolderInfo)) {
+                Log.e(TAG, String.format(
+                        "Item info: %s found with invalid container: %s",
+                        info,
+                        containerInfo));
+            }
+            // Allow crash to help debug b/173838775
+            return (FolderInfo) containerInfo;
+        }
+        return null;
+    }
+
     @Override
     public void validateData() {
         super.validateData();
diff --git a/quickstep/src/com/android/launcher3/statehandlers/DepthController.java b/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
index 9d70cfa..e1d89a1 100644
--- a/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
+++ b/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
@@ -44,7 +44,6 @@
 import com.android.systemui.shared.system.BlurUtils;
 import com.android.systemui.shared.system.WallpaperManagerCompat;
 
-import java.io.FileDescriptor;
 import java.io.PrintWriter;
 import java.util.function.Consumer;
 
@@ -156,6 +155,10 @@
     // Workaround for animating the depth when multiwindow mode changes.
     private boolean mIgnoreStateChangesDuringMultiWindowAnimation = false;
 
+    // Hints that there is potentially content behind Launcher and that we shouldn't optimize by
+    // marking the launcher surface as opaque.  Only used in certain Launcher states.
+    private boolean mHasContentBehindLauncher;
+
     private View.OnAttachStateChangeListener mOnAttachListener;
 
     public DepthController(Launcher l) {
@@ -199,6 +202,10 @@
         mLauncher.getScrimView().addOpaquenessListener(mOpaquenessListener);
     }
 
+    public void setHasContentBehindLauncher(boolean hasContentBehindLauncher) {
+        mHasContentBehindLauncher = hasContentBehindLauncher;
+    }
+
     /**
      * Sets if the underlying activity is started or not
      */
@@ -311,13 +318,14 @@
         }
 
         if (supportsBlur) {
-            boolean opaque = mLauncher.getScrimView().isFullyOpaque();
+            boolean hasOpaqueBg = mLauncher.getScrimView().isFullyOpaque();
+            boolean isSurfaceOpaque = !mHasContentBehindLauncher && hasOpaqueBg;
 
-            mCurrentBlur = !mCrossWindowBlursEnabled || mBlurDisabledForAppLaunch
+            mCurrentBlur = !mCrossWindowBlursEnabled || mBlurDisabledForAppLaunch || hasOpaqueBg
                     ? 0 : (int) (depth * mMaxBlurRadius);
             SurfaceControl.Transaction transaction = new SurfaceControl.Transaction()
                     .setBackgroundBlurRadius(mSurface, mCurrentBlur)
-                    .setOpaque(mSurface, opaque);
+                    .setOpaque(mSurface, isSurfaceOpaque);
 
             // Set early wake-up flags when we know we're executing an expensive operation, this way
             // SurfaceFlinger will adjust its internal offsets to avoid jank.
diff --git a/quickstep/src/com/android/launcher3/taskbar/FallbackTaskbarUIController.java b/quickstep/src/com/android/launcher3/taskbar/FallbackTaskbarUIController.java
index 24a88a4..f1e6747 100644
--- a/quickstep/src/com/android/launcher3/taskbar/FallbackTaskbarUIController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/FallbackTaskbarUIController.java
@@ -46,16 +46,13 @@
                 }
             };
 
-    // Initialized in init.
-    TaskbarControllers mControllers;
-
     public FallbackTaskbarUIController(RecentsActivity recentsActivity) {
         mRecentsActivity = recentsActivity;
     }
 
     @Override
     protected void init(TaskbarControllers taskbarControllers) {
-        mControllers = taskbarControllers;
+        super.init(taskbarControllers);
 
         mRecentsActivity.setTaskbarUIController(this);
         mRecentsActivity.getStateManager().addStateListener(mStateListener);
@@ -63,6 +60,7 @@
 
     @Override
     protected void onDestroy() {
+        super.onDestroy();
         mRecentsActivity.setTaskbarUIController(null);
         mRecentsActivity.getStateManager().removeStateListener(mStateListener);
     }
diff --git a/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java b/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
index 1c0c773..2622700 100644
--- a/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
@@ -25,7 +25,6 @@
 import android.util.Log;
 import android.view.MotionEvent;
 import android.view.TaskTransitionSpec;
-import android.view.View;
 import android.view.WindowManagerGlobal;
 
 import androidx.annotation.NonNull;
@@ -62,7 +61,6 @@
             this::onStashedInAppChanged;
 
     // Initialized in init.
-    private TaskbarControllers mControllers;
     private AnimatedFloat mTaskbarOverrideBackgroundAlpha;
     private TaskbarKeyguardController mKeyguardController;
     private final TaskbarLauncherStateController
@@ -83,7 +81,7 @@
 
     @Override
     protected void init(TaskbarControllers taskbarControllers) {
-        mControllers = taskbarControllers;
+        super.init(taskbarControllers);
 
         mTaskbarLauncherStateController.init(mControllers, mLauncher);
         mTaskbarOverrideBackgroundAlpha = mControllers.taskbarDragLayerController
@@ -101,6 +99,7 @@
 
     @Override
     protected void onDestroy() {
+        super.onDestroy();
         onLauncherResumedOrPaused(false);
         mTaskbarLauncherStateController.onDestroy();
 
@@ -168,10 +167,6 @@
         return mControllers.taskbarDragController.isDragging();
     }
 
-    public View getRootView() {
-        return mControllers.taskbarActivityContext.getDragLayer();
-    }
-
     @Override
     protected void onStashedInAppChanged() {
         onStashedInAppChanged(mLauncher.getDeviceProfile());
@@ -251,4 +246,12 @@
         mLauncher.logAppLaunch(mControllers.taskbarActivityContext.getStatsLogManager(), item,
                 instanceId);
     }
+
+    @Override
+    public void setSystemGestureInProgress(boolean inProgress) {
+        super.setSystemGestureInProgress(inProgress);
+        // Launcher's ScrimView will draw the background throughout the gesture. But once the
+        // gesture ends, start drawing taskbar's background again since launcher might stop drawing.
+        forceHideBackground(inProgress);
+    }
 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java b/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
index 4b6dacd..ce1e8b6b 100644
--- a/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
@@ -15,16 +15,12 @@
  */
 package com.android.launcher3.taskbar;
 
-import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR_PANEL;
-
 import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_X;
 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.launcher3.taskbar.TaskbarViewController.ALPHA_INDEX_KEYGUARD;
 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;
@@ -35,12 +31,14 @@
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_NOTIFICATION_PANEL_EXPANDED;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_OVERVIEW_DISABLED;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_QUICK_SETTINGS_EXPANDED;
+import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_SCREEN_PINNING;
 
+import android.animation.ArgbEvaluator;
 import android.animation.ObjectAnimator;
 import android.annotation.DrawableRes;
 import android.annotation.IdRes;
 import android.annotation.LayoutRes;
-import android.content.Context;
+import android.content.pm.ActivityInfo.Config;
 import android.content.res.ColorStateList;
 import android.graphics.Rect;
 import android.graphics.Region;
@@ -89,12 +87,12 @@
     private static final int FLAG_DISABLE_RECENTS = 1 << 8;
     private static final int FLAG_DISABLE_BACK = 1 << 9;
     private static final int FLAG_NOTIFICATION_SHADE_EXPANDED = 1 << 10;
+    private static final int FLAG_SCREEN_PINNING_ACTIVE = 1 << 10;
 
     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 final ArrayList<ImageView> mAllButtons = new ArrayList<>();
     private int mState;
 
     private final TaskbarActivityContext mContext;
@@ -103,11 +101,17 @@
     // Used for IME+A11Y buttons
     private final ViewGroup mEndContextualContainer;
     private final ViewGroup mStartContextualContainer;
+    private final int mLightIconColor;
+    private final int mDarkIconColor;
 
     private final AnimatedFloat mTaskbarNavButtonTranslationY = new AnimatedFloat(
             this::updateNavButtonTranslationY);
     private final AnimatedFloat mNavButtonTranslationYMultiplier = new AnimatedFloat(
             this::updateNavButtonTranslationY);
+    private final AnimatedFloat mTaskbarNavButtonDarkIntensity = new AnimatedFloat(
+            this::updateNavButtonDarkIntensity);
+    private final AnimatedFloat mNavButtonDarkIntensityMultiplier = new AnimatedFloat(
+            this::updateNavButtonDarkIntensity);
     private final RotationButtonListener mRotationButtonListener = new RotationButtonListener();
 
     private final Rect mFloatingRotationButtonBounds = new Rect();
@@ -125,6 +129,9 @@
         mNavButtonContainer = mNavButtonsView.findViewById(R.id.end_nav_buttons);
         mEndContextualContainer = mNavButtonsView.findViewById(R.id.end_contextual_buttons);
         mStartContextualContainer = mNavButtonsView.findViewById(R.id.start_contextual_buttons);
+
+        mLightIconColor = context.getColor(R.color.taskbar_nav_icon_light_color);
+        mDarkIconColor = context.getColor(R.color.taskbar_nav_icon_dark_color);
     }
 
     /**
@@ -135,16 +142,6 @@
         mNavButtonsView.getLayoutParams().height = mContext.getDeviceProfile().taskbarSize;
         mNavButtonTranslationYMultiplier.value = 1;
 
-        mA11yLongClickListener = view -> {
-            mControllers.navButtonController.onButtonClick(BUTTON_A11Y_LONG_CLICK);
-            return true;
-        };
-
-        mPropertyHolders.add(new StatePropertyHolder(
-                mControllers.taskbarViewController.getTaskbarIconAlpha()
-                        .getProperty(ALPHA_INDEX_IME),
-                flags -> (flags & FLAG_IME_VISIBLE) == 0, MultiValueAlpha.VALUE, 1, 0));
-
         boolean isThreeButtonNav = mContext.isThreeButtonNav();
         // IME switcher
         View imeSwitcherButton = addButton(R.drawable.ic_ime_switcher, BUTTON_IME_SWITCH,
@@ -157,7 +154,9 @@
         mPropertyHolders.add(new StatePropertyHolder(
                 mControllers.taskbarViewController.getTaskbarIconAlpha()
                         .getProperty(ALPHA_INDEX_KEYGUARD),
-                flags -> (flags & FLAG_KEYGUARD_VISIBLE) == 0, MultiValueAlpha.VALUE, 1, 0));
+                flags -> (flags & FLAG_KEYGUARD_VISIBLE) == 0
+                        && (flags & FLAG_SCREEN_PINNING_ACTIVE) == 0,
+                MultiValueAlpha.VALUE, 1, 0));
 
         mPropertyHolders.add(new StatePropertyHolder(mControllers.taskbarDragLayerController
                 .getKeyguardBgTaskbar(),
@@ -196,7 +195,7 @@
             }
 
             // Animate taskbar background when any of these flags are enabled
-            int flagsToShowBg = FLAG_IME_VISIBLE | FLAG_ONLY_BACK_FOR_BOUNCER_VISIBLE
+            int flagsToShowBg = FLAG_ONLY_BACK_FOR_BOUNCER_VISIBLE
                     | FLAG_NOTIFICATION_SHADE_EXPANDED;
             mPropertyHolders.add(new StatePropertyHolder(
                     mControllers.taskbarDragLayerController.getNavbarBackgroundAlpha(),
@@ -278,7 +277,6 @@
         mPropertyHolders.add(new StatePropertyHolder(mA11yButton,
                 flags -> (flags & FLAG_A11Y_VISIBLE) != 0
                         && (flags & FLAG_ROTATION_BUTTON_VISIBLE) == 0));
-        mA11yButton.setOnLongClickListener(mA11yLongClickListener);
     }
 
     private void parseSystemUiFlags(int sysUiStateFlags) {
@@ -292,6 +290,7 @@
         int shadeExpandedFlags = SYSUI_STATE_NOTIFICATION_PANEL_EXPANDED
                 | SYSUI_STATE_QUICK_SETTINGS_EXPANDED;
         boolean isNotificationShadeExpanded = (sysUiStateFlags & shadeExpandedFlags) != 0;
+        boolean isScreenPinningActive = (sysUiStateFlags & SYSUI_STATE_SCREEN_PINNING) != 0;
 
         // TODO(b/202218289) we're getting IME as not visible on lockscreen from system
         updateStateForFlag(FLAG_IME_VISIBLE, isImeVisible);
@@ -301,6 +300,7 @@
         updateStateForFlag(FLAG_DISABLE_RECENTS, isRecentsDisabled);
         updateStateForFlag(FLAG_DISABLE_BACK, isBackDisabled);
         updateStateForFlag(FLAG_NOTIFICATION_SHADE_EXPANDED, isNotificationShadeExpanded);
+        updateStateForFlag(FLAG_SCREEN_PINNING_ACTIVE, isScreenPinningActive);
 
         if (mA11yButton != null) {
             // Only used in 3 button
@@ -379,6 +379,16 @@
         return mTaskbarNavButtonTranslationY;
     }
 
+    /** Use to set the dark intensity for the all nav+contextual buttons */
+    public AnimatedFloat getTaskbarNavButtonDarkIntensity() {
+        return mTaskbarNavButtonDarkIntensity;
+    }
+
+    /** Use to determine whether to use the dark intensity requested by the underlying app */
+    public AnimatedFloat getNavButtonDarkIntensityMultiplier() {
+        return mNavButtonDarkIntensityMultiplier;
+    }
+
     /**
      * Does not call {@link #applyState()}. Don't forget to!
      */
@@ -402,6 +412,16 @@
                 * mNavButtonTranslationYMultiplier.value);
     }
 
+    private void updateNavButtonDarkIntensity() {
+        float darkIntensity = mTaskbarNavButtonDarkIntensity.value
+                * mNavButtonDarkIntensityMultiplier.value;
+        int iconColor = (int) ArgbEvaluator.getInstance().evaluate(darkIntensity, mLightIconColor,
+                mDarkIconColor);
+        for (ImageView button : mAllButtons) {
+            button.setImageTintList(ColorStateList.valueOf(iconColor));
+        }
+    }
+
     private ImageView addButton(@DrawableRes int drawableId, @TaskbarButton int buttonType,
             ViewGroup parent, TaskbarNavButtonController navButtonController, @IdRes int id) {
         return addButton(drawableId, buttonType, parent, navButtonController, id,
@@ -414,6 +434,8 @@
         ImageView buttonView = addButton(parent, id, layoutId);
         buttonView.setImageResource(drawableId);
         buttonView.setOnClickListener(view -> navButtonController.onButtonClick(buttonType));
+        buttonView.setOnLongClickListener(view ->
+                navButtonController.onButtonLongClick(buttonType));
         return buttonView;
     }
 
@@ -430,6 +452,12 @@
         return mFloatingRotationButtonBounds.contains((int) ev.getX(), (int) ev.getY());
     }
 
+    public void onConfigurationChanged(@Config int configChanges) {
+        if (mFloatingRotationButton != null) {
+            mFloatingRotationButton.onConfigurationChanged(configChanges);
+        }
+    }
+
     public void onDestroy() {
         mPropertyHolders.clear();
         mControllers.rotationButtonController.unregisterListeners();
diff --git a/quickstep/src/com/android/launcher3/taskbar/StashedHandleViewController.java b/quickstep/src/com/android/launcher3/taskbar/StashedHandleViewController.java
index 2c80f06..22ca63f 100644
--- a/quickstep/src/com/android/launcher3/taskbar/StashedHandleViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/StashedHandleViewController.java
@@ -16,6 +16,8 @@
 package com.android.launcher3.taskbar;
 
 import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
+import android.animation.ValueAnimator;
 import android.content.SharedPreferences;
 import android.content.res.Resources;
 import android.graphics.Outline;
@@ -23,8 +25,6 @@
 import android.view.View;
 import android.view.ViewOutlineProvider;
 
-import androidx.annotation.Nullable;
-
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.RevealOutlineAnimation;
@@ -66,7 +66,10 @@
     private final Rect mStashedHandleBounds = new Rect();
     private float mStashedHandleRadius;
 
-    private boolean mIsAtStashedRevealBounds = true;
+    // When the reveal animation is cancelled, we can assume it's about to create a new animation,
+    // which should start off at the same point the cancelled one left off.
+    private float mStartProgressForNextRevealAnim;
+    private boolean mWasLastRevealAnimReversed;
 
     public StashedHandleViewController(TaskbarActivityContext activity,
             StashedHandleView stashedHandleView) {
@@ -148,15 +151,27 @@
      * shape and size. When stashed, the shape is a thin rounded pill. When unstashed, the shape
      * morphs into the size of where the taskbar icons will be.
      */
-    public @Nullable Animator createRevealAnimToIsStashed(boolean isStashed) {
-        if (mIsAtStashedRevealBounds == isStashed) {
-            return null;
-        }
-        mIsAtStashedRevealBounds = isStashed;
+    public Animator createRevealAnimToIsStashed(boolean isStashed) {
         final RevealOutlineAnimation handleRevealProvider = new RoundedRectRevealOutlineProvider(
                 mStashedHandleRadius, mStashedHandleRadius,
                 mControllers.taskbarViewController.getIconLayoutBounds(), mStashedHandleBounds);
-        return handleRevealProvider.createRevealAnimator(mStashedHandleView, !isStashed);
+
+        boolean isReversed = !isStashed;
+        boolean changingDirection = mWasLastRevealAnimReversed != isReversed;
+        mWasLastRevealAnimReversed = isReversed;
+        if (changingDirection) {
+            mStartProgressForNextRevealAnim = 1f - mStartProgressForNextRevealAnim;
+        }
+
+        ValueAnimator revealAnim = handleRevealProvider.createRevealAnimator(mStashedHandleView,
+                isReversed, mStartProgressForNextRevealAnim);
+        revealAnim.addListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                mStartProgressForNextRevealAnim = ((ValueAnimator) animation).getAnimatedFraction();
+            }
+        });
+        return revealAnim;
     }
 
     public void onIsStashed(boolean isStashed) {
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
index 55e9887..883515e 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
@@ -20,7 +20,6 @@
 import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR_PANEL;
 
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_FOLDER_OPEN;
-import static com.android.launcher3.testing.TestProtocol.TASKBAR_WINDOW_CRASH;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_NOTIFICATION_PANEL_EXPANDED;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_QUICK_SETTINGS_EXPANDED;
 import static com.android.systemui.shared.system.WindowManagerWrapper.ITYPE_BOTTOM_TAPPABLE_ELEMENT;
@@ -31,6 +30,7 @@
 import android.content.ActivityNotFoundException;
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.ActivityInfo.Config;
 import android.content.pm.LauncherApps;
 import android.graphics.Insets;
 import android.graphics.PixelFormat;
@@ -53,6 +53,7 @@
 import androidx.annotation.Nullable;
 
 import com.android.launcher3.AbstractFloatingView;
+import com.android.launcher3.BubbleTextView;
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.R;
@@ -113,6 +114,8 @@
     // The flag to know if the window is excluded from magnification region computation.
     private boolean mIsExcludeFromMagnificationRegion = false;
 
+    private final TaskbarShortcutMenuAccessibilityDelegate mAccessibilityDelegate;
+
     public TaskbarActivityContext(Context windowContext, DeviceProfile dp,
             TaskbarNavButtonController buttonController, ScopedUnfoldTransitionProgressProvider
             unfoldTransitionProgressProvider) {
@@ -148,14 +151,16 @@
         mLeftCorner = display.getRoundedCorner(RoundedCorner.POSITION_BOTTOM_LEFT);
         mRightCorner = display.getRoundedCorner(RoundedCorner.POSITION_BOTTOM_RIGHT);
 
+        mAccessibilityDelegate = new TaskbarShortcutMenuAccessibilityDelegate(this);
+
         // Construct controllers.
         mControllers = new TaskbarControllers(this,
                 new TaskbarDragController(this),
                 buttonController,
                 new NavbarButtonsViewController(this, navButtonsView),
                 new RotationButtonController(this,
-                        c.getColor(R.color.rotation_button_light_color),
-                        c.getColor(R.color.rotation_button_dark_color),
+                        c.getColor(R.color.taskbar_nav_icon_light_color),
+                        c.getColor(R.color.taskbar_nav_icon_dark_color),
                         R.drawable.ic_sysbar_rotate_button_ccw_start_0,
                         R.drawable.ic_sysbar_rotate_button_ccw_start_90,
                         R.drawable.ic_sysbar_rotate_button_cw_start_0,
@@ -207,7 +212,10 @@
         updateSysuiStateFlags(sharedState.sysuiStateFlags, true /* fromInit */);
 
         mWindowManager.addView(mDragLayer, mWindowLayoutParams);
-        Log.d(TASKBAR_WINDOW_CRASH, "Adding taskbar window");
+    }
+
+    public void onConfigurationChanged(@Config int configChanges) {
+        mControllers.onConfigurationChanged(configChanges);
     }
 
     public boolean isThreeButtonNav() {
@@ -330,6 +338,11 @@
         return mControllers.taskbarPopupController.getPopupDataProvider();
     }
 
+    @Override
+    public View.AccessibilityDelegate getAccessibilityDelegate() {
+        return mAccessibilityDelegate;
+    }
+
     /**
      * Sets a new data-source for this taskbar instance
      */
@@ -354,7 +367,6 @@
         setUIController(TaskbarUIController.DEFAULT);
         mControllers.onDestroy();
         mWindowManager.removeViewImmediate(mDragLayer);
-        Log.d(TASKBAR_WINDOW_CRASH, "Removing taskbar window");
     }
 
     public void updateSysuiStateFlags(int systemUiStateFlags, boolean fromInit) {
@@ -373,6 +385,7 @@
         mControllers.taskbarStashController.updateStateForSysuiFlags(systemUiStateFlags, fromInit);
         mControllers.taskbarScrimViewController.updateStateForSysuiFlags(systemUiStateFlags,
                 fromInit);
+        mControllers.navButtonController.updateSysuiFlags(systemUiStateFlags);
     }
 
     /**
@@ -408,6 +421,11 @@
         mControllers.rotationButtonController.onBehaviorChanged(displayId, behavior);
     }
 
+    public void onNavButtonsDarkIntensityChanged(float darkIntensity) {
+        mControllers.navbarButtonsViewController.getTaskbarNavButtonDarkIntensity()
+                .updateValue(darkIntensity);
+    }
+
     /**
      * Updates the TaskbarContainer to MATCH_PARENT vs original Taskbar size.
      */
@@ -556,4 +574,9 @@
         }
         mWindowManager.updateViewLayout(mDragLayer, mWindowLayoutParams);
     }
+
+    public void showPopupMenuForIcon(BubbleTextView btv) {
+        setTaskbarWindowFullscreen(true);
+        btv.post(() -> mControllers.taskbarPopupController.showForIcon(btv));
+    }
 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java
index a7c5d4d..488c822 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java
@@ -15,10 +15,15 @@
  */
 package com.android.launcher3.taskbar;
 
+import android.content.pm.ActivityInfo.Config;
+
 import androidx.annotation.NonNull;
 
 import com.android.systemui.shared.rotation.RotationButtonController;
 
+import java.util.ArrayList;
+import java.util.List;
+
 /**
  * Hosts various taskbar controllers to facilitate passing between one another.
  */
@@ -43,6 +48,9 @@
     /** Do not store this controller, as it may change at runtime. */
     @NonNull public TaskbarUIController uiController = TaskbarUIController.DEFAULT;
 
+    private boolean mAreAllControllersInitialized;
+    private final List<Runnable> mPostInitCallbacks = new ArrayList<>();
+
     public TaskbarControllers(TaskbarActivityContext taskbarActivityContext,
             TaskbarDragController taskbarDragController,
             TaskbarNavButtonController navButtonController,
@@ -81,6 +89,8 @@
      * in constructors for now, as some controllers may still be waiting for init().
      */
     public void init(TaskbarSharedState sharedState) {
+        mAreAllControllersInitialized = false;
+
         taskbarDragController.init(this);
         navbarButtonsViewController.init(this);
         rotationButtonController.init();
@@ -93,6 +103,16 @@
         taskbarStashController.init(this, sharedState);
         taskbarEduController.init(this);
         taskbarPopupController.init(this);
+
+        mAreAllControllersInitialized = true;
+        for (Runnable postInitCallback : mPostInitCallbacks) {
+            postInitCallback.run();
+        }
+        mPostInitCallbacks.clear();
+    }
+
+    public void onConfigurationChanged(@Config int configChanges) {
+        navbarButtonsViewController.onConfigurationChanged(configChanges);
     }
 
     /**
@@ -110,4 +130,17 @@
         taskbarAutohideSuspendController.onDestroy();
         taskbarPopupController.onDestroy();
     }
+
+    /**
+     * If all controllers are already initialized, runs the given callback immediately. Otherwise,
+     * queues it to run after calling init() on all controllers. This should likely be used in any
+     * case where one controller is telling another controller to do something inside init().
+     */
+    public void runAfterInit(Runnable callback) {
+        if (mAreAllControllersInitialized) {
+            callback.run();
+        } else {
+            mPostInitCallbacks.add(callback);
+        }
+    }
 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragController.java
index b3a9f8d..3315f8c 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragController.java
@@ -51,6 +51,8 @@
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
 import com.android.launcher3.popup.PopupContainerWithArrow;
+import com.android.launcher3.shortcuts.DeepShortcutView;
+import com.android.launcher3.shortcuts.ShortcutDragPreviewProvider;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.system.ClipDescriptionCompat;
 import com.android.systemui.shared.system.LauncherAppsCompat;
@@ -88,6 +90,21 @@
      * @return Whether {@link View#startDragAndDrop} started successfully.
      */
     protected boolean startDragOnLongClick(View view) {
+        return startDragOnLongClick(view, null, null);
+    }
+
+    protected boolean startDragOnLongClick(
+            DeepShortcutView shortcutView, Point iconShift) {
+        return startDragOnLongClick(
+                shortcutView.getBubbleText(),
+                new ShortcutDragPreviewProvider(shortcutView.getIconView(), iconShift),
+                iconShift);
+    }
+
+    private boolean startDragOnLongClick(
+            View view,
+            @Nullable DragPreviewProvider dragPreviewProvider,
+            @Nullable Point iconShift) {
         if (!(view instanceof BubbleTextView)) {
             return false;
         }
@@ -96,7 +113,10 @@
 
         mActivity.setTaskbarWindowFullscreen(true);
         btv.post(() -> {
-            startInternalDrag(btv);
+            DragView dragView = startInternalDrag(btv, dragPreviewProvider);
+            if (iconShift != null) {
+                dragView.animateShift(-iconShift.x, -iconShift.y);
+            }
             btv.getIcon().setIsDisabled(true);
             mControllers.taskbarAutohideSuspendController.updateFlag(
                     TaskbarAutohideSuspendController.FLAG_AUTOHIDE_SUSPEND_DRAGGING, true);
@@ -104,7 +124,8 @@
         return true;
     }
 
-    private void startInternalDrag(BubbleTextView btv) {
+    private DragView startInternalDrag(
+            BubbleTextView btv, @Nullable DragPreviewProvider dragPreviewProvider) {
         float iconScale = btv.getIcon().getAnimatedScale();
 
         // Clear the pressed state if necessary
@@ -112,7 +133,8 @@
         btv.setPressed(false);
         btv.clearPressedBackground();
 
-        final DragPreviewProvider previewProvider = new DragPreviewProvider(btv);
+        final DragPreviewProvider previewProvider = dragPreviewProvider == null
+                ? new DragPreviewProvider(btv) : dragPreviewProvider;
         final Drawable drawable = previewProvider.createDrawable();
         final float scale = previewProvider.getScaleAndPosition(drawable, mTempXY);
         int dragLayerX = mTempXY[0];
@@ -149,7 +171,7 @@
             }
         }
 
-        startDrag(
+        return startDrag(
                 drawable,
                 /* view = */ null,
                 /* originalView = */ btv,
@@ -241,7 +263,8 @@
 
             @Override
             public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) {
-                shadowSize.set(mDragIconSize, mDragIconSize);
+                int iconSize = Math.max(mDragIconSize, btv.getWidth());
+                shadowSize.set(iconSize, iconSize);
                 // 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 offsetX = (mDragIconSize - mDragObject.dragView.getDragRegionWidth()) / 2;
@@ -273,6 +296,12 @@
                     });
             intent = new Intent();
             if (item.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
+                intent.putExtra(ClipDescriptionCompat.EXTRA_PENDING_INTENT,
+                        launcherApps.getShortcutIntent(
+                                item.getIntent().getPackage(),
+                                item.getDeepShortcutId(),
+                                null,
+                                item.user));
                 intent.putExtra(Intent.EXTRA_PACKAGE_NAME, item.getIntent().getPackage());
                 intent.putExtra(Intent.EXTRA_SHORTCUT_ID, item.getDeepShortcutId());
             } else {
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java
index 81039d4..806b390 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java
@@ -44,6 +44,7 @@
     private final AnimatedFloat mKeyguardBgTaskbar = new AnimatedFloat(this::updateBackgroundAlpha);
     private final AnimatedFloat mNotificationShadeBgTaskbar = new AnimatedFloat(
             this::updateBackgroundAlpha);
+    private final AnimatedFloat mImeBgTaskbar = new AnimatedFloat(this::updateBackgroundAlpha);
     // Used to hide our background color when someone else (e.g. ScrimView) is handling it.
     private final AnimatedFloat mBgOverride = new AnimatedFloat(this::updateBackgroundAlpha);
 
@@ -52,6 +53,9 @@
 
     // Initialized in init.
     private TaskbarControllers mControllers;
+    private AnimatedFloat mNavButtonDarkIntensityMultiplier;
+
+    private float mLastSetBackgroundAlpha;
 
     public TaskbarDragLayerController(TaskbarActivityContext activity,
             TaskbarDragLayer taskbarDragLayer) {
@@ -65,9 +69,13 @@
         mControllers = controllers;
         mTaskbarDragLayer.init(new TaskbarDragLayerCallbacks());
 
+        mNavButtonDarkIntensityMultiplier = mControllers.navbarButtonsViewController
+                .getNavButtonDarkIntensityMultiplier();
+
         mBgTaskbar.value = 1;
         mKeyguardBgTaskbar.value = 1;
         mNotificationShadeBgTaskbar.value = 1;
+        mImeBgTaskbar.value = 1;
         mBgOverride.value = 1;
         updateBackgroundAlpha();
     }
@@ -102,6 +110,10 @@
         return mNotificationShadeBgTaskbar;
     }
 
+    public AnimatedFloat getImeBgTaskbar() {
+        return mImeBgTaskbar;
+    }
+
     public AnimatedFloat getOverrideBackgroundAlpha() {
         return mBgOverride;
     }
@@ -113,14 +125,23 @@
     private void updateBackgroundAlpha() {
         final float bgNavbar = mBgNavbar.value;
         final float bgTaskbar = mBgTaskbar.value * mKeyguardBgTaskbar.value
-                * mNotificationShadeBgTaskbar.value;
-        mTaskbarDragLayer.setTaskbarBackgroundAlpha(
-                mBgOverride.value * Math.max(bgNavbar, bgTaskbar)
-        );
+                * mNotificationShadeBgTaskbar.value * mImeBgTaskbar.value;
+        mLastSetBackgroundAlpha = mBgOverride.value * Math.max(bgNavbar, bgTaskbar);
+        mTaskbarDragLayer.setTaskbarBackgroundAlpha(mLastSetBackgroundAlpha);
+
+        updateNavBarDarkIntensityMultiplier();
     }
 
     private void updateBackgroundOffset() {
         mTaskbarDragLayer.setTaskbarBackgroundOffset(mBgOffset.value);
+
+        updateNavBarDarkIntensityMultiplier();
+    }
+
+    private void updateNavBarDarkIntensityMultiplier() {
+        // Zero out the app-requested dark intensity when we're drawing our own background.
+        float effectiveBgAlpha = mLastSetBackgroundAlpha * (1 - mBgOffset.value);
+        mNavButtonDarkIntensityMultiplier.updateValue(1 - effectiveBgAlpha);
     }
 
     /**
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarLauncherStateController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarLauncherStateController.java
index 152b255..593bfd8 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarLauncherStateController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarLauncherStateController.java
@@ -15,7 +15,6 @@
  */
 package com.android.launcher3.taskbar;
 
-import static com.android.launcher3.LauncherState.HOTSEAT_ICONS;
 import static com.android.launcher3.taskbar.TaskbarStashController.FLAG_IN_APP;
 import static com.android.launcher3.taskbar.TaskbarStashController.FLAG_IN_STASHED_LAUNCHER_STATE;
 import static com.android.launcher3.taskbar.TaskbarStashController.TASKBAR_STASH_DURATION;
@@ -50,13 +49,15 @@
 
     public static final int FLAG_RESUMED = 1 << 0;
     public static final int FLAG_RECENTS_ANIMATION_RUNNING = 1 << 1;
-    public static final int FLAG_TRANSITION_STATE_START_STASHED = 1 << 2;
-    public static final int FLAG_TRANSITION_STATE_COMMITTED_STASHED = 1 << 3;
+    public static final int FLAG_TRANSITION_STATE_RUNNING = 1 << 2;
+
+    /** Equivalent to an int with all 1s for binary operation purposes */
+    private static final int FLAGS_ALL = ~0;
 
     private final AnimatedFloat mIconAlignmentForResumedState =
-            new AnimatedFloat(this::onIconAlignmentRatioChanged);
+            new AnimatedFloat(this::onIconAlignmentRatioChangedForAppAndHomeTransition);
     private final AnimatedFloat mIconAlignmentForGestureState =
-            new AnimatedFloat(this::onIconAlignmentRatioChanged);
+            new AnimatedFloat(this::onIconAlignmentRatioChangedForAppAndHomeTransition);
     private final AnimatedFloat mIconAlignmentForLauncherState =
             new AnimatedFloat(this::onIconAlignmentRatioChangedForStateTransition);
 
@@ -65,11 +66,9 @@
     private MultiValueAlpha.AlphaProperty mIconAlphaForHome;
     private BaseQuickstepLauncher mLauncher;
 
-    private int mPrevState;
+    private Integer mPrevState;
     private int mState;
-
-    private LauncherState mTargetStateOverride = null;
-    private LauncherState mTargetStateOverrideForStateTransition = null;
+    private LauncherState mLauncherState = LauncherState.NORMAL;
 
     private boolean mIsAnimatingToLauncherViaGesture;
     private boolean mIsAnimatingToLauncherViaResume;
@@ -79,16 +78,20 @@
 
                 @Override
                 public void onStateTransitionStart(LauncherState toState) {
-                    mTargetStateOverrideForStateTransition = toState;
-                    updateStateForFlag(FLAG_TRANSITION_STATE_START_STASHED,
-                            toState.isTaskbarStashed());
+                    if (toState != mLauncherState) {
+                        // Treat FLAG_TRANSITION_STATE_RUNNING as a changed flag even if a previous
+                        // state transition was already running, so we update the new target.
+                        mPrevState &= ~FLAG_TRANSITION_STATE_RUNNING;
+                        mLauncherState = toState;
+                    }
+                    updateStateForFlag(FLAG_TRANSITION_STATE_RUNNING, true);
                     applyState();
                 }
 
                 @Override
                 public void onStateTransitionComplete(LauncherState finalState) {
-                    updateStateForFlag(FLAG_TRANSITION_STATE_COMMITTED_STASHED,
-                            finalState.isTaskbarStashed());
+                    mLauncherState = finalState;
+                    updateStateForFlag(FLAG_TRANSITION_STATE_RUNNING, false);
                     applyState();
                 }
             };
@@ -105,7 +108,7 @@
                 (Consumer<Float>) alpha -> mLauncher.getHotseat().setIconsAlpha(alpha > 0 ? 0 : 1));
 
         mIconAlignmentForResumedState.finishAnimation();
-        onIconAlignmentRatioChanged();
+        onIconAlignmentRatioChangedForAppAndHomeTransition();
 
         mLauncher.getStateManager().addStateListener(mStateListener);
     }
@@ -126,26 +129,15 @@
         // If going home, align the icons to hotseat
         AnimatorSet animatorSet = new AnimatorSet();
 
+        // Update stashed flags first to ensure goingToUnstashedLauncherState() returns correctly.
         TaskbarStashController stashController = mControllers.taskbarStashController;
         stashController.updateStateForFlag(FLAG_IN_STASHED_LAUNCHER_STATE,
-                toState.isTaskbarStashed());
+                toState.isTaskbarStashed(mLauncher));
         stashController.updateStateForFlag(FLAG_IN_APP, false);
 
         updateStateForFlag(FLAG_RECENTS_ANIMATION_RUNNING, true);
         animatorSet.play(stashController.applyStateWithoutStart(duration));
         animatorSet.play(applyState(duration, false));
-        animatorSet.addListener(new AnimatorListenerAdapter() {
-            @Override
-            public void onAnimationEnd(Animator animator) {
-                mTargetStateOverride = null;
-                animator.removeListener(this);
-            }
-
-            @Override
-            public void onAnimationStart(Animator animator) {
-                mTargetStateOverride = toState;
-            }
-        });
 
         TaskBarRecentsAnimationListener listener = new TaskBarRecentsAnimationListener(callbacks);
         callbacks.addListener(listener);
@@ -199,10 +191,11 @@
 
     public Animator applyState(long duration, boolean start) {
         Animator animator = null;
-        if (mPrevState != mState) {
-            int changedFlags = mPrevState ^ mState;
-            animator = onStateChangeApplied(changedFlags, duration, start);
+        if (mPrevState == null || mPrevState != mState) {
+            // If this is our initial state, treat all flags as changed.
+            int changedFlags = mPrevState == null ? FLAGS_ALL : mPrevState ^ mState;
             mPrevState = mState;
+            animator = onStateChangeApplied(changedFlags, duration, start);
         }
         return animator;
     }
@@ -212,7 +205,8 @@
         if (hasAnyFlag(changedFlags, FLAG_RESUMED)) {
             boolean isResumed = isResumed();
             ObjectAnimator anim = mIconAlignmentForResumedState
-                    .animateToValue(getCurrentIconAlignmentRatio(), isResumed ? 1 : 0)
+                    .animateToValue(isResumed && goingToUnstashedLauncherState()
+                            ? 1 : 0)
                     .setDuration(duration);
 
             anim.addListener(new AnimatorListenerAdapter() {
@@ -236,7 +230,8 @@
         if (hasAnyFlag(changedFlags, FLAG_RECENTS_ANIMATION_RUNNING)) {
             boolean isRecentsAnimationRunning = isRecentsAnimationRunning();
             Animator animator = mIconAlignmentForGestureState
-                    .animateToValue(isRecentsAnimationRunning ? 1 : 0);
+                    .animateToValue(isRecentsAnimationRunning && goingToUnstashedLauncherState()
+                            ? 1 : 0);
             if (isRecentsAnimationRunning) {
                 animator.setDuration(duration);
             }
@@ -254,14 +249,21 @@
             animatorSet.play(animator);
         }
 
-        if (hasAnyFlag(changedFlags, FLAG_TRANSITION_STATE_START_STASHED)) {
-            playStateTransitionAnim(isTransitionStateStartStashed(), animatorSet, duration,
-                    false /* committed */);
+        if (hasAnyFlag(changedFlags, FLAG_RESUMED | FLAG_RECENTS_ANIMATION_RUNNING)) {
+            boolean goingToLauncher = hasAnyFlag(FLAG_RESUMED | FLAG_RECENTS_ANIMATION_RUNNING);
+            animatorSet.play(mTaskbarBackgroundAlpha.animateToValue(goingToLauncher ? 0 : 1)
+                    .setDuration(duration));
         }
 
-        if (hasAnyFlag(changedFlags, FLAG_TRANSITION_STATE_COMMITTED_STASHED)) {
-            playStateTransitionAnim(isTransitionStateCommittedStashed(), animatorSet, duration,
-                    true /* committed */);
+        if (hasAnyFlag(changedFlags, FLAG_TRANSITION_STATE_RUNNING)) {
+            boolean committed = !hasAnyFlag(FLAG_TRANSITION_STATE_RUNNING);
+            playStateTransitionAnim(animatorSet, duration, committed);
+
+            if (committed && mLauncherState == LauncherState.QUICK_SWITCH) {
+                // We're about to be paused, set immediately to ensure seamless handoff.
+                updateStateForFlag(FLAG_RESUMED, false);
+                applyState(0 /* duration */);
+            }
         }
 
         if (start) {
@@ -270,35 +272,41 @@
         return animatorSet;
     }
 
-    private void playStateTransitionAnim(boolean isTransitionStateStashed,
-            AnimatorSet animatorSet, long duration, boolean committed) {
+    /** Returns whether we're going to a state where taskbar icons should align with launcher. */
+    private boolean goingToUnstashedLauncherState() {
+        return !mControllers.taskbarStashController.isInStashedLauncherState();
+    }
+
+    private void playStateTransitionAnim(AnimatorSet animatorSet, long duration,
+            boolean committed) {
+        boolean isInStashedState = mLauncherState.isTaskbarStashed(mLauncher);
+        float toAlignment = mLauncherState.isTaskbarAlignedWithHotseat(mLauncher) ? 1 : 0;
+
         TaskbarStashController controller = mControllers.taskbarStashController;
-        controller.updateStateForFlag(FLAG_IN_STASHED_LAUNCHER_STATE,
-                isTransitionStateStashed);
+        controller.updateStateForFlag(FLAG_IN_STASHED_LAUNCHER_STATE, isInStashedState);
         Animator stashAnimator = controller.applyStateWithoutStart(duration);
         if (stashAnimator != null) {
             stashAnimator.addListener(new AnimatorListenerAdapter() {
                 @Override
                 public void onAnimationEnd(Animator animation) {
-                    if (isTransitionStateStashed && committed) {
+                    if (isInStashedState && committed) {
                         // Reset hotseat alpha to default
                         mLauncher.getHotseat().setIconsAlpha(1);
                     }
-                    mTargetStateOverrideForStateTransition = null;
                 }
 
                 @Override
                 public void onAnimationStart(Animator animation) {
-                    mIconAlphaForHome.setValue(mLauncher.getHotseat().getIconsAlpha());
+                    if (mLauncher.getHotseat().getIconsAlpha() > 0) {
+                        mIconAlphaForHome.setValue(mLauncher.getHotseat().getIconsAlpha());
+                    }
                 }
             });
             animatorSet.play(stashAnimator);
-            animatorSet.play(mIconAlignmentForLauncherState.animateToValue(
-                    getCurrentIconAlignmentRatioForLauncherState(),
-                    isTransitionStateStashed ? 0 : 1));
-        } else {
-            mTargetStateOverrideForStateTransition = null;
         }
+
+        animatorSet.play(mIconAlignmentForLauncherState.animateToValue(toAlignment)
+                .setDuration(duration));
     }
 
     private boolean isResumed() {
@@ -309,29 +317,18 @@
         return (mState & FLAG_RECENTS_ANIMATION_RUNNING) != 0;
     }
 
-    private boolean isTransitionStateStartStashed() {
-        return (mState & FLAG_TRANSITION_STATE_START_STASHED) != 0;
-    }
-
-    private boolean isTransitionStateCommittedStashed() {
-        return (mState & FLAG_TRANSITION_STATE_COMMITTED_STASHED) != 0;
-    }
-
     private void onIconAlignmentRatioChangedForStateTransition() {
-        onIconAlignmentRatioChanged(
-                mTargetStateOverrideForStateTransition != null
-                        ? mTargetStateOverrideForStateTransition
-                        : mLauncher.getStateManager().getState(),
-                this::getCurrentIconAlignmentRatioForLauncherState);
+        if (!isResumed()) {
+            return;
+        }
+        onIconAlignmentRatioChanged(this::getCurrentIconAlignmentRatioForLauncherState);
     }
 
-    private void onIconAlignmentRatioChanged() {
-        onIconAlignmentRatioChanged(mTargetStateOverride != null ? mTargetStateOverride
-                : mLauncher.getStateManager().getState(), this::getCurrentIconAlignmentRatio);
+    private void onIconAlignmentRatioChangedForAppAndHomeTransition() {
+        onIconAlignmentRatioChanged(this::getCurrentIconAlignmentRatioBetweenAppAndHome);
     }
 
-    private void onIconAlignmentRatioChanged(LauncherState state,
-            Supplier<Float> alignmentSupplier) {
+    private void onIconAlignmentRatioChanged(Supplier<Float> alignmentSupplier) {
         if (mControllers == null) {
             return;
         }
@@ -339,12 +336,11 @@
         mControllers.taskbarViewController.setLauncherIconAlignment(
                 alignment, mLauncher.getDeviceProfile());
 
-        mTaskbarBackgroundAlpha.updateValue(1 - alignment);
-
-        setIconAlpha(state, alignment);
+        // Switch taskbar and hotseat in last frame
+        setTaskbarViewVisible(alignment < 1);
     }
 
-    private float getCurrentIconAlignmentRatio() {
+    private float getCurrentIconAlignmentRatioBetweenAppAndHome() {
         return Math.max(mIconAlignmentForResumedState.value, mIconAlignmentForGestureState.value);
     }
 
@@ -352,15 +348,6 @@
         return mIconAlignmentForLauncherState.value;
     }
 
-    private void setIconAlpha(LauncherState state, float progress) {
-        if ((state.getVisibleElements(mLauncher) & HOTSEAT_ICONS) != 0) {
-            // If the hotseat icons are visible, then switch taskbar in last frame
-            setTaskbarViewVisible(progress < 1);
-        } else {
-            mIconAlphaForHome.setValue(1 - progress);
-        }
-    }
-
     private void setTaskbarViewVisible(boolean isVisible) {
         mIconAlphaForHome.setValue(isVisible ? 1 : 0);
     }
@@ -385,9 +372,16 @@
 
         private void endGestureStateOverride(boolean finishedToApp) {
             mCallbacks.removeListener(this);
+
+            // Update the resumed state immediately to ensure a seamless handoff
+            boolean launcherResumed = !finishedToApp;
+            mIconAlignmentForResumedState.updateValue(launcherResumed ? 1 : 0);
+
             updateStateForFlag(FLAG_RECENTS_ANIMATION_RUNNING, false);
+            updateStateForFlag(FLAG_RESUMED, launcherResumed);
             applyState();
 
+
             TaskbarStashController controller = mControllers.taskbarStashController;
             controller.updateStateForFlag(FLAG_IN_APP, finishedToApp);
             controller.applyState();
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
index 19fdca1..7f2e37c 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
@@ -19,7 +19,6 @@
 import static android.view.Display.DEFAULT_DISPLAY;
 import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR_PANEL;
 
-import static com.android.launcher3.testing.TestProtocol.TASKBAR_WINDOW_CRASH;
 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;
@@ -31,8 +30,8 @@
 import android.content.res.Configuration;
 import android.hardware.display.DisplayManager;
 import android.net.Uri;
+import android.os.Handler;
 import android.provider.Settings;
-import android.util.Log;
 import android.view.Display;
 
 import androidx.annotation.NonNull;
@@ -43,7 +42,6 @@
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.statemanager.StatefulActivity;
-import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.util.DisplayController;
 import com.android.launcher3.util.DisplayController.Info;
 import com.android.launcher3.util.SettingsCache;
@@ -96,7 +94,8 @@
         Display display =
                 service.getSystemService(DisplayManager.class).getDisplay(DEFAULT_DISPLAY);
         mContext = service.createWindowContext(display, TYPE_NAVIGATION_BAR_PANEL, null);
-        mNavButtonController = new TaskbarNavButtonController(service);
+        mNavButtonController = new TaskbarNavButtonController(service,
+                SystemUiProxy.INSTANCE.get(mContext), new Handler());
         mUserSetupCompleteListener = isUserSetupComplete -> recreateTaskbar();
         mComponentCallbacks = new ComponentCallbacks() {
             private Configuration mOldConfig = mContext.getResources().getConfiguration();
@@ -109,6 +108,11 @@
                 if ((configDiff & configsRequiringRecreate) != 0) {
                     // Color has changed, recreate taskbar to reload background color & icons.
                     recreateTaskbar();
+                } else {
+                    // Config change might be handled without re-creating the taskbar
+                    if (mTaskbarActivityContext != null) {
+                        mTaskbarActivityContext.onConfigurationChanged(configDiff);
+                    }
                 }
                 mOldConfig = newConfig;
             }
@@ -211,8 +215,6 @@
     }
 
     private void recreateTaskbar() {
-        Log.d(TASKBAR_WINDOW_CRASH, "Recreating taskbar: mTaskbarActivityContext="
-                + mTaskbarActivityContext);
         destroyExistingTaskbar();
 
         DeviceProfile dp =
@@ -235,7 +237,6 @@
             mTaskbarActivityContext.setUIController(
                     createTaskbarUIControllerForActivity(mActivity));
         }
-        Log.d(TASKBAR_WINDOW_CRASH, "Finished recreating taskbar");
     }
 
     public void onSystemUiFlagsChanged(int systemUiStateFlags) {
@@ -273,6 +274,12 @@
         }
     }
 
+    public void onNavButtonsDarkIntensityChanged(float darkIntensity) {
+        if (mTaskbarActivityContext != null) {
+            mTaskbarActivityContext.onNavButtonsDarkIntensityChanged(darkIntensity);
+        }
+    }
+
     /**
      * Called when the manager is no longer needed
      */
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarModelCallbacks.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarModelCallbacks.java
index 6dcfe56..37a9b5e 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarModelCallbacks.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarModelCallbacks.java
@@ -184,9 +184,12 @@
         }
         mContainer.updateHotseatItems(hotseatItemInfos);
 
-        mControllers.taskbarStashController.updateStateForFlag(
-                TaskbarStashController.FLAG_STASHED_IN_APP_EMPTY, isHotseatEmpty);
-        mControllers.taskbarStashController.applyState();
+        final boolean finalIsHotseatEmpty = isHotseatEmpty;
+        mControllers.runAfterInit(() -> {
+            mControllers.taskbarStashController.updateStateForFlag(
+                    TaskbarStashController.FLAG_STASHED_IN_APP_EMPTY, finalIsHotseatEmpty);
+            mControllers.taskbarStashController.applyState();
+        });
     }
 
     @Override
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarNavButtonController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarNavButtonController.java
index a8a0b59..d233365 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarNavButtonController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarNavButtonController.java
@@ -16,9 +16,13 @@
 
 package com.android.launcher3.taskbar;
 
-import static android.view.Display.DEFAULT_DISPLAY;
 
-import android.view.inputmethod.InputMethodManager;
+import static com.android.internal.app.AssistUtils.INVOCATION_TYPE_HOME_BUTTON_LONG_PRESS;
+import static com.android.internal.app.AssistUtils.INVOCATION_TYPE_KEY;
+import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_SCREEN_PINNING;
+
+import android.os.Bundle;
+import android.os.Handler;
 
 import androidx.annotation.IntDef;
 
@@ -35,11 +39,16 @@
  * Controller for 3 button mode in the taskbar.
  * Handles all the functionality of the various buttons, making/routing the right calls into
  * launcher or sysui/system.
- *
- * TODO: Create callbacks to hook into UI layer since state will change for more context buttons/
- *       assistant invocation.
  */
 public class TaskbarNavButtonController {
+
+    /** Allow some time in between the long press for back and recents. */
+    static final int SCREEN_PIN_LONG_PRESS_THRESHOLD = 200;
+    static final int SCREEN_PIN_LONG_PRESS_RESET = SCREEN_PIN_LONG_PRESS_THRESHOLD + 100;
+
+    private long mLastScreenPinLongPress;
+    private boolean mScreenPinned;
+
     @Retention(RetentionPolicy.SOURCE)
     @IntDef(value = {
             BUTTON_BACK,
@@ -47,7 +56,6 @@
             BUTTON_RECENTS,
             BUTTON_IME_SWITCH,
             BUTTON_A11Y,
-            BUTTON_A11Y_LONG_CLICK
     })
 
     public @interface TaskbarButton {}
@@ -57,12 +65,21 @@
     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 static final int SCREEN_UNPIN_COMBO = BUTTON_BACK | BUTTON_RECENTS;
+    private int mLongPressedButtons = 0;
 
     private final TouchInteractionService mService;
+    private final SystemUiProxy mSystemUiProxy;
+    private final Handler mHandler;
 
-    public TaskbarNavButtonController(TouchInteractionService service) {
+    private final Runnable mResetLongPress = this::resetScreenUnpin;
+
+    public TaskbarNavButtonController(TouchInteractionService service,
+            SystemUiProxy systemUiProxy, Handler handler) {
         mService = service;
+        mSystemUiProxy = systemUiProxy;
+        mHandler = handler;
     }
 
     public void onButtonClick(@TaskbarButton int buttonType) {
@@ -74,43 +91,115 @@
                 navigateHome();
                 break;
             case BUTTON_RECENTS:
-                navigateToOverview();;
+                navigateToOverview();
                 break;
             case BUTTON_IME_SWITCH:
                 showIMESwitcher();
                 break;
             case BUTTON_A11Y:
-                notifyImeClick(false /* longClick */);
-                break;
-            case BUTTON_A11Y_LONG_CLICK:
-                notifyImeClick(true /* longClick */);
+                notifyA11yClick(false /* longClick */);
                 break;
         }
     }
 
+    public boolean onButtonLongClick(@TaskbarButton int buttonType) {
+        switch (buttonType) {
+            case BUTTON_HOME:
+                startAssistant();
+                return true;
+            case BUTTON_A11Y:
+                notifyA11yClick(true /* longClick */);
+                return true;
+            case BUTTON_BACK:
+            case BUTTON_RECENTS:
+                mLongPressedButtons |= buttonType;
+                return determineScreenUnpin();
+            case BUTTON_IME_SWITCH:
+            default:
+                return false;
+        }
+    }
+
+    /**
+     * Checks if the user has long pressed back and recents buttons
+     * "together" (within {@link #SCREEN_PIN_LONG_PRESS_THRESHOLD})ms
+     * If so, then requests the system to turn off screen pinning.
+     *
+     * @return true if the long press is a valid user action in attempting to unpin an app
+     *         Will always return {@code false} when screen pinning is not active.
+     *         NOTE: Returning true does not mean that screen pinning has stopped
+     */
+    private boolean determineScreenUnpin() {
+        long timeNow = System.currentTimeMillis();
+        if (!mScreenPinned) {
+            return false;
+        }
+
+        if (mLastScreenPinLongPress == 0) {
+            // First button long press registered, just mark time and wait for second button press
+            mLastScreenPinLongPress = System.currentTimeMillis();
+            mHandler.postDelayed(mResetLongPress, SCREEN_PIN_LONG_PRESS_RESET);
+            return true;
+        }
+
+        if ((timeNow - mLastScreenPinLongPress) > SCREEN_PIN_LONG_PRESS_THRESHOLD) {
+            // Too long in-between presses, reset the clock
+            resetScreenUnpin();
+            return false;
+        }
+
+        if ((mLongPressedButtons & SCREEN_UNPIN_COMBO) == SCREEN_UNPIN_COMBO) {
+            // Hooray! They did it (finally...)
+            mSystemUiProxy.stopScreenPinning();
+            mHandler.removeCallbacks(mResetLongPress);
+            resetScreenUnpin();
+        }
+        return true;
+    }
+
+    private void resetScreenUnpin() {
+        mLongPressedButtons = 0;
+        mLastScreenPinLongPress = 0;
+    }
+
+    public void updateSysuiFlags(int sysuiFlags) {
+        mScreenPinned = (sysuiFlags & SYSUI_STATE_SCREEN_PINNING) != 0;
+    }
+
     private void navigateHome() {
         mService.getOverviewCommandHelper().addCommand(OverviewCommandHelper.TYPE_HOME);
     }
 
     private void navigateToOverview() {
+        if (mScreenPinned) {
+            return;
+        }
         TestLogging.recordEvent(TestProtocol.SEQUENCE_MAIN, "onOverviewToggle");
         mService.getOverviewCommandHelper().addCommand(OverviewCommandHelper.TYPE_TOGGLE);
     }
 
     private void executeBack() {
-        SystemUiProxy.INSTANCE.getNoCreate().onBackPressed();
+        mSystemUiProxy.onBackPressed();
     }
 
     private void showIMESwitcher() {
-        SystemUiProxy.INSTANCE.getNoCreate().onImeSwitcherPressed();
+        mSystemUiProxy.onImeSwitcherPressed();
     }
 
-    private void notifyImeClick(boolean longClick) {
-        SystemUiProxy systemUiProxy = SystemUiProxy.INSTANCE.getNoCreate();
+    private void notifyA11yClick(boolean longClick) {
         if (longClick) {
-            systemUiProxy.notifyAccessibilityButtonLongClicked();
+            mSystemUiProxy.notifyAccessibilityButtonLongClicked();
         } else {
-            systemUiProxy.notifyAccessibilityButtonClicked(mService.getDisplayId());
+            mSystemUiProxy.notifyAccessibilityButtonClicked(mService.getDisplayId());
         }
     }
+
+    private void startAssistant() {
+        if (mScreenPinned) {
+            return;
+        }
+        Bundle args = new Bundle();
+        args.putInt(INVOCATION_TYPE_KEY, INVOCATION_TYPE_HOME_BUTTON_LONG_PRESS);
+        mSystemUiProxy.startAssistant(args);
+    }
 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarPopupController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarPopupController.java
index 06c75fc..2dee506 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarPopupController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarPopupController.java
@@ -15,6 +15,10 @@
  */
 package com.android.launcher3.taskbar;
 
+import android.graphics.Point;
+import android.view.MotionEvent;
+import android.view.View;
+
 import androidx.annotation.NonNull;
 
 import com.android.launcher3.BubbleTextView;
@@ -30,6 +34,7 @@
 import com.android.launcher3.popup.PopupDataProvider;
 import com.android.launcher3.popup.PopupLiveUpdateHandler;
 import com.android.launcher3.popup.SystemShortcut;
+import com.android.launcher3.shortcuts.DeepShortcutView;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.LauncherBindableItemsContainer;
 import com.android.launcher3.util.PackageUserKey;
@@ -131,8 +136,14 @@
                 (PopupContainerWithArrow) context.getLayoutInflater().inflate(
                         R.layout.popup_container, context.getDragLayer(), false);
         container.addOnAttachStateChangeListener(
-                new PopupLiveUpdateHandler<>(mContext, container));
+                new PopupLiveUpdateHandler<TaskbarActivityContext>(mContext, container) {
+                    @Override
+                    protected void showPopupContainerForIcon(BubbleTextView originalIcon) {
+                        showForIcon(originalIcon);
+                    }
+                });
         // TODO (b/198438631): configure for taskbar/context
+        container.setPopupItemDragHandler(new TaskbarPopupItemDragHandler());
 
         container.populateAndShow(icon,
                 mPopupDataProvider.getShortcutCountForItem(item),
@@ -145,4 +156,43 @@
         container.requestFocus();
         return container;
     }
+
+    private class TaskbarPopupItemDragHandler implements
+            PopupContainerWithArrow.PopupItemDragHandler {
+
+        protected final Point mIconLastTouchPos = new Point();
+
+        TaskbarPopupItemDragHandler() {}
+
+        @Override
+        public boolean onTouch(View view, MotionEvent ev) {
+            // Touched a shortcut, update where it was touched so we can drag from there on
+            // long click.
+            switch (ev.getAction()) {
+                case MotionEvent.ACTION_DOWN:
+                case MotionEvent.ACTION_MOVE:
+                    mIconLastTouchPos.set((int) ev.getX(), (int) ev.getY());
+                    break;
+            }
+            return false;
+        }
+
+        @Override
+        public boolean onLongClick(View v) {
+            // Return early if not the correct view
+            if (!(v.getParent() instanceof DeepShortcutView)) return false;
+
+            DeepShortcutView sv = (DeepShortcutView) v.getParent();
+            sv.setWillDrawIcon(false);
+
+            // Move the icon to align with the center-top of the touch point
+            Point iconShift = new Point();
+            iconShift.x = mIconLastTouchPos.x - sv.getIconCenter().x;
+            iconShift.y = mIconLastTouchPos.y - mContext.getDeviceProfile().iconSizePx;
+
+            mControllers.taskbarDragController.startDragOnLongClick(sv, iconShift);
+
+            return false;
+        }
+    }
 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarShortcutMenuAccessibilityDelegate.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarShortcutMenuAccessibilityDelegate.java
new file mode 100644
index 0000000..1589582
--- /dev/null
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarShortcutMenuAccessibilityDelegate.java
@@ -0,0 +1,117 @@
+/*
+ * 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.accessibility.LauncherAccessibilityDelegate.DEEP_SHORTCUTS;
+import static com.android.launcher3.accessibility.LauncherAccessibilityDelegate.SHORTCUTS_AND_NOTIFICATIONS;
+import static com.android.wm.shell.common.split.SplitScreenConstants.SPLIT_POSITION_BOTTOM_OR_RIGHT;
+import static com.android.wm.shell.common.split.SplitScreenConstants.SPLIT_POSITION_TOP_OR_LEFT;
+
+import android.content.Intent;
+import android.content.pm.LauncherApps;
+import android.view.KeyEvent;
+import android.view.View;
+
+import com.android.launcher3.BubbleTextView;
+import com.android.launcher3.LauncherSettings;
+import com.android.launcher3.R;
+import com.android.launcher3.accessibility.BaseAccessibilityDelegate;
+import com.android.launcher3.config.FeatureFlags;
+import com.android.launcher3.model.data.ItemInfo;
+import com.android.launcher3.model.data.WorkspaceItemInfo;
+import com.android.launcher3.notification.NotificationListener;
+import com.android.launcher3.util.ShortcutUtil;
+import com.android.quickstep.SystemUiProxy;
+import com.android.systemui.shared.system.LauncherAppsCompat;
+
+import java.util.List;
+
+/**
+ * Accessibility delegate for the Taskbar. This provides an accessible interface for taskbar
+ * features.
+ */
+public class TaskbarShortcutMenuAccessibilityDelegate
+        extends BaseAccessibilityDelegate<TaskbarActivityContext> {
+
+    public static final int MOVE_TO_TOP_OR_LEFT = R.id.action_move_to_top_or_left;
+    public static final int MOVE_TO_BOTTOM_OR_RIGHT = R.id.action_move_to_bottom_or_right;
+
+    private final LauncherApps mLauncherApps;
+
+    public TaskbarShortcutMenuAccessibilityDelegate(TaskbarActivityContext context) {
+        super(context);
+        mLauncherApps = context.getSystemService(LauncherApps.class);
+
+        mActions.put(DEEP_SHORTCUTS, new LauncherAction(DEEP_SHORTCUTS,
+                R.string.action_deep_shortcut, KeyEvent.KEYCODE_S));
+        mActions.put(SHORTCUTS_AND_NOTIFICATIONS, new LauncherAction(DEEP_SHORTCUTS,
+                R.string.shortcuts_menu_with_notifications_description, KeyEvent.KEYCODE_S));
+        mActions.put(MOVE_TO_TOP_OR_LEFT, new LauncherAction(
+                MOVE_TO_TOP_OR_LEFT, R.string.move_drop_target_top_or_left, KeyEvent.KEYCODE_L));
+        mActions.put(MOVE_TO_BOTTOM_OR_RIGHT, new LauncherAction(
+                MOVE_TO_BOTTOM_OR_RIGHT,
+                R.string.move_drop_target_bottom_or_right,
+                KeyEvent.KEYCODE_R));
+    }
+
+    @Override
+    protected void getSupportedActions(View host, ItemInfo item, List<LauncherAction> out) {
+        if (ShortcutUtil.supportsShortcuts(item) && FeatureFlags.ENABLE_TASKBAR_POPUP_MENU.get()) {
+            out.add(mActions.get(NotificationListener.getInstanceIfConnected() != null
+                    ? SHORTCUTS_AND_NOTIFICATIONS : DEEP_SHORTCUTS));
+        }
+        out.add(mActions.get(MOVE_TO_TOP_OR_LEFT));
+        out.add(mActions.get(MOVE_TO_BOTTOM_OR_RIGHT));
+    }
+
+    @Override
+    protected boolean performAction(View host, ItemInfo item, int action, boolean fromKeyboard) {
+        if (item instanceof WorkspaceItemInfo
+                && (action == MOVE_TO_TOP_OR_LEFT || action == MOVE_TO_BOTTOM_OR_RIGHT)) {
+            WorkspaceItemInfo info = (WorkspaceItemInfo) item;
+            int side = action == MOVE_TO_TOP_OR_LEFT
+                    ? SPLIT_POSITION_TOP_OR_LEFT : SPLIT_POSITION_BOTTOM_OR_RIGHT;
+
+            if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
+                SystemUiProxy.INSTANCE.get(mContext).startShortcut(
+                        info.getIntent().getPackage(),
+                        info.getDeepShortcutId(),
+                        side,
+                        /* bundleOpts= */ null,
+                        info.user);
+            } else {
+                SystemUiProxy.INSTANCE.get(mContext).startIntent(
+                        LauncherAppsCompat.getMainActivityLaunchIntent(
+                                mLauncherApps,
+                                item.getIntent().getComponent(),
+                                /* startActivityOptions= */null,
+                                item.user),
+                        new Intent(), side, null);
+            }
+            return true;
+        } else if (action == DEEP_SHORTCUTS || action == SHORTCUTS_AND_NOTIFICATIONS) {
+            mContext.showPopupMenuForIcon((BubbleTextView) host);
+
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    protected boolean beginAccessibleDrag(View item, ItemInfo info, boolean fromKeyboard) {
+        return false;
+    }
+}
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
index acb4aa8..a3ad835 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
@@ -19,6 +19,7 @@
 
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TASKBAR_LONGPRESS_HIDE;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TASKBAR_LONGPRESS_SHOW;
+import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_IME_SHOWING;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_SCREEN_PINNING;
 
 import android.animation.Animator;
@@ -48,11 +49,13 @@
     public static final int FLAG_STASHED_IN_APP_PINNED = 1 << 2; // app pinning
     public static final int FLAG_STASHED_IN_APP_EMPTY = 1 << 3; // no hotseat icons
     public static final int FLAG_STASHED_IN_APP_SETUP = 1 << 4; // setup wizard and AllSetActivity
-    public static final int FLAG_IN_STASHED_LAUNCHER_STATE = 1 << 5;
+    public static final int FLAG_STASHED_IN_APP_IME = 1 << 5; // IME is visible
+    public static final int FLAG_IN_STASHED_LAUNCHER_STATE = 1 << 6;
 
     // If we're in an app and any of these flags are enabled, taskbar should be stashed.
     public static final int FLAGS_STASHED_IN_APP = FLAG_STASHED_IN_APP_MANUAL
-            | FLAG_STASHED_IN_APP_PINNED | FLAG_STASHED_IN_APP_EMPTY | FLAG_STASHED_IN_APP_SETUP;
+            | FLAG_STASHED_IN_APP_PINNED | FLAG_STASHED_IN_APP_EMPTY | FLAG_STASHED_IN_APP_SETUP
+            | FLAG_STASHED_IN_APP_IME;
 
     /**
      * How long to stash/unstash when manually invoked via long press.
@@ -60,6 +63,11 @@
     public static final long TASKBAR_STASH_DURATION = 300;
 
     /**
+     * How long to stash/unstash when keyboard is appearing/disappearing.
+     */
+    private static final long TASKBAR_STASH_DURATION_FOR_IME = 80;
+
+    /**
      * The scale TaskbarView animates to when being stashed.
      */
     private static final float STASHED_TASKBAR_SCALE = 0.5f;
@@ -100,6 +108,7 @@
     private TaskbarControllers mControllers;
     // Taskbar background properties.
     private AnimatedFloat mTaskbarBackgroundOffset;
+    private AnimatedFloat mTaskbarImeBgAlpha;
     // TaskbarView icon properties.
     private AlphaProperty mIconAlphaForStash;
     private AnimatedFloat mIconScaleForStash;
@@ -113,6 +122,8 @@
     private int mState;
 
     private @Nullable AnimatorSet mAnimator;
+    private boolean mIsSystemGestureInProgress;
+    private boolean mIsImeShowing;
 
     // Evaluate whether the handle should be stashed
     private final StatePropertyHolder mStatePropertyHolder = new StatePropertyHolder(
@@ -137,6 +148,7 @@
 
         TaskbarDragLayerController dragLayerController = controllers.taskbarDragLayerController;
         mTaskbarBackgroundOffset = dragLayerController.getTaskbarBackgroundOffset();
+        mTaskbarImeBgAlpha = dragLayerController.getImeBgTaskbar();
 
         TaskbarViewController taskbarViewController = controllers.taskbarViewController;
         mIconAlphaForStash = taskbarViewController.getTaskbarIconAlpha().getProperty(
@@ -204,6 +216,13 @@
         return hasAnyFlag(FLAGS_STASHED_IN_APP);
     }
 
+    /**
+     * Returns whether the taskbar should be stashed in the current LauncherState.
+     */
+    public boolean isInStashedLauncherState() {
+        return hasAnyFlag(FLAG_IN_STASHED_LAUNCHER_STATE) && supportsVisualStashing();
+    }
+
     private boolean hasAnyFlag(int flagMask) {
         return hasAnyFlag(mState, flagMask);
     }
@@ -271,17 +290,27 @@
      * Create a stash animation and save to {@link #mAnimator}.
      * @param isStashed whether it's a stash animation or an unstash animation
      * @param duration duration of the animation
+     * @param startDelay how many milliseconds to delay the animation after starting it.
      */
-    private void createAnimToIsStashed(boolean isStashed, long duration) {
+    private void createAnimToIsStashed(boolean isStashed, long duration, long startDelay) {
         if (mAnimator != null) {
             mAnimator.cancel();
         }
         mAnimator = new AnimatorSet();
 
         if (!supportsVisualStashing()) {
-            // Just hide/show the icons instead of stashing into a handle.
+            // Just hide/show the icons and background instead of stashing into a handle.
             mAnimator.play(mIconAlphaForStash.animateToValue(isStashed ? 0 : 1)
                     .setDuration(duration));
+            mAnimator.play(mTaskbarImeBgAlpha.animateToValue(
+                    hasAnyFlag(FLAG_STASHED_IN_APP_IME) ? 0 : 1).setDuration(duration));
+            mAnimator.setStartDelay(startDelay);
+            mAnimator.addListener(new AnimatorListenerAdapter() {
+                @Override
+                public void onAnimationEnd(Animator animation) {
+                    mAnimator = null;
+                }
+            });
             return;
         }
 
@@ -326,11 +355,8 @@
             );
         }
 
-        Animator stashedHandleRevealAnim = mControllers.stashedHandleViewController
-                .createRevealAnimToIsStashed(isStashed);
-        if (stashedHandleRevealAnim != null) {
-            fullLengthAnimatorSet.play(stashedHandleRevealAnim);
-        }
+        fullLengthAnimatorSet.play(mControllers.stashedHandleViewController
+                .createRevealAnimToIsStashed(isStashed));
         // Return the stashed handle to its default scale in case it was changed as part of the
         // feedforward hint. Note that the reveal animation above also visually scales it.
         fullLengthAnimatorSet.play(mTaskbarStashedHandleHintScale.animateToValue(1f));
@@ -342,6 +368,7 @@
 
         mAnimator.playTogether(fullLengthAnimatorSet, firstHalfAnimatorSet,
                 secondHalfAnimatorSet);
+        mAnimator.setStartDelay(startDelay);
         mAnimator.addListener(new AnimatorListenerAdapter() {
             @Override
             public void onAnimationStart(Animator animation) {
@@ -400,6 +427,10 @@
         mStatePropertyHolder.setState(mState, duration, true);
     }
 
+    public void applyState(long duration, long startDelay) {
+        mStatePropertyHolder.setState(mState, duration, startDelay, true);
+    }
+
     public Animator applyStateWithoutStart() {
         return applyStateWithoutStart(TASKBAR_STASH_DURATION);
     }
@@ -408,11 +439,50 @@
         return mStatePropertyHolder.setState(mState, duration, false);
     }
 
+    /**
+     * Should be called when a system gesture starts and settles, so we can defer updating
+     * FLAG_STASHED_IN_APP_IME until after the gesture transition completes.
+     */
+    public void setSystemGestureInProgress(boolean inProgress) {
+        mIsSystemGestureInProgress = inProgress;
+        // Only update FLAG_STASHED_IN_APP_IME when system gesture is not in progress.
+        if (!mIsSystemGestureInProgress) {
+            updateStateForFlag(FLAG_STASHED_IN_APP_IME, mIsImeShowing);
+            applyState(TASKBAR_STASH_DURATION_FOR_IME, getTaskbarStashStartDelayForIme());
+        }
+    }
+
+    /**
+     * When hiding the IME, delay the unstash animation to align with the end of the transition.
+     */
+    private long getTaskbarStashStartDelayForIme() {
+        if (mIsImeShowing) {
+            // Only delay when IME is exiting, not entering.
+            return 0;
+        }
+        // This duration is based on input_method_extract_exit.xml.
+        long imeExitDuration = mControllers.taskbarActivityContext.getResources()
+                .getInteger(android.R.integer.config_shortAnimTime);
+        return imeExitDuration - TASKBAR_STASH_DURATION_FOR_IME;
+    }
+
     /** Called when some system ui state has changed. (See SYSUI_STATE_... in QuickstepContract) */
     public void updateStateForSysuiFlags(int systemUiStateFlags, boolean skipAnim) {
+        long animDuration = TASKBAR_STASH_DURATION;
+        long startDelay = 0;
+
         updateStateForFlag(FLAG_STASHED_IN_APP_PINNED,
                 hasAnyFlag(systemUiStateFlags, SYSUI_STATE_SCREEN_PINNING));
-        applyState(skipAnim ? 0 : TASKBAR_STASH_DURATION);
+
+        // Only update FLAG_STASHED_IN_APP_IME when system gesture is not in progress.
+        mIsImeShowing = hasAnyFlag(systemUiStateFlags, SYSUI_STATE_IME_SHOWING);
+        if (!mIsSystemGestureInProgress) {
+            updateStateForFlag(FLAG_STASHED_IN_APP_IME, mIsImeShowing);
+            animDuration = TASKBAR_STASH_DURATION_FOR_IME;
+            startDelay = getTaskbarStashStartDelayForIme();
+        }
+
+        applyState(skipAnim ? 0 : animDuration, skipAnim ? 0 : startDelay);
     }
 
     /**
@@ -468,16 +538,34 @@
             mStashCondition = stashCondition;
         }
 
+        /**
+         * @see #setState(int, long, long, boolean) with a default startDelay = 0.
+         */
         public Animator setState(int flags, long duration, boolean start) {
+            return setState(flags, duration, 0 /* startDelay */, start);
+        }
+
+        /**
+         * Applies the latest state, potentially calling onStateChangeApplied() and creating a new
+         * animation (stored in mAnimator) which is started if {@param start} is true.
+         * @param flags The latest flags to apply (see the top of this file).
+         * @param duration The length of the animation.
+         * @param startDelay How long to delay the animation after calling start().
+         * @param start Whether to start mAnimator immediately.
+         * @return mAnimator if mIsStashed changed, else null.
+         */
+        public Animator setState(int flags, long duration, long startDelay, boolean start) {
+            int changedFlags = mPrevFlags ^ flags;
             if (mPrevFlags != flags) {
-                int changedFlags = mPrevFlags ^ flags;
                 onStateChangeApplied(changedFlags);
                 mPrevFlags = flags;
             }
             boolean isStashed = mStashCondition.test(flags);
             if (mIsStashed != isStashed) {
                 mIsStashed = isStashed;
-                createAnimToIsStashed(mIsStashed, duration);
+
+                // This sets mAnimator.
+                createAnimToIsStashed(mIsStashed, duration, startDelay);
                 if (start) {
                     mAnimator.start();
                 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java
index d8360e0..f6bc785 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java
@@ -16,6 +16,9 @@
 package com.android.launcher3.taskbar;
 
 import android.graphics.Rect;
+import android.view.View;
+
+import androidx.annotation.CallSuper;
 
 import com.android.launcher3.model.data.ItemInfoWithIcon;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
@@ -29,9 +32,18 @@
 
     public static final TaskbarUIController DEFAULT = new TaskbarUIController();
 
-    protected void init(TaskbarControllers taskbarControllers) { }
+    // Initialized in init.
+    protected TaskbarControllers mControllers;
 
-    protected void onDestroy() { }
+    @CallSuper
+    protected void init(TaskbarControllers taskbarControllers) {
+        mControllers = taskbarControllers;
+    }
+
+    @CallSuper
+    protected void onDestroy() {
+        mControllers = null;
+    }
 
     protected boolean isTaskbarTouchable() {
         return true;
@@ -46,4 +58,16 @@
     }
 
     public void onTaskbarIconLaunched(WorkspaceItemInfo item) { }
+
+    public View getRootView() {
+        return mControllers.taskbarActivityContext.getDragLayer();
+    }
+
+    /**
+     * Called when swiping from the bottom nav region in fully gestural mode.
+     * @param inProgress True if the animation started, false if we just settled on an end target.
+     */
+    public void setSystemGestureInProgress(boolean inProgress) {
+        mControllers.taskbarStashController.setSystemGestureInProgress(inProgress);
+    }
 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java
index 96eac51..a4d899c 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java
@@ -46,12 +46,11 @@
     private static final Runnable NO_OP = () -> { };
 
     public static final int ALPHA_INDEX_HOME = 0;
-    public static final int ALPHA_INDEX_IME = 1;
-    public static final int ALPHA_INDEX_KEYGUARD = 2;
-    public static final int ALPHA_INDEX_STASH = 3;
-    public static final int ALPHA_INDEX_RECENTS_DISABLED = 4;
-    public static final int ALPHA_INDEX_NOTIFICATION_EXPANDED = 5;
-    private static final int NUM_ALPHA_CHANNELS = 6;
+    public static final int ALPHA_INDEX_KEYGUARD = 1;
+    public static final int ALPHA_INDEX_STASH = 2;
+    public static final int ALPHA_INDEX_RECENTS_DISABLED = 3;
+    public static final int ALPHA_INDEX_NOTIFICATION_EXPANDED = 4;
+    private static final int NUM_ALPHA_CHANNELS = 5;
 
     private final TaskbarActivityContext mActivity;
     private final TaskbarView mTaskbarView;
diff --git a/quickstep/src/com/android/launcher3/uioverrides/BaseRecentsViewStateController.java b/quickstep/src/com/android/launcher3/uioverrides/BaseRecentsViewStateController.java
index 2fa8b07..c85b256 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/BaseRecentsViewStateController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/BaseRecentsViewStateController.java
@@ -16,7 +16,6 @@
 
 package com.android.launcher3.uioverrides;
 
-import static com.android.launcher3.LauncherState.OVERVIEW_SPLIT_SELECT;
 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;
@@ -35,6 +34,7 @@
 import static com.android.quickstep.views.RecentsView.TASK_SECONDARY_TRANSLATION;
 
 import android.util.FloatProperty;
+import android.util.Pair;
 
 import androidx.annotation.NonNull;
 
@@ -73,8 +73,6 @@
         getTaskModalnessProperty().set(mRecentsView, state.getOverviewModalness());
         RECENTS_GRID_PROGRESS.set(mRecentsView,
                 state.displayOverviewTasksAsGrid(mLauncher.getDeviceProfile()) ? 1f : 0f);
-
-        applySplitScrollOffset(state);
     }
 
     @Override
@@ -104,11 +102,13 @@
                 config.getInterpolator(ANIM_OVERVIEW_TRANSLATE_Y, LINEAR));
         PagedOrientationHandler orientationHandler =
                 ((RecentsView) mLauncher.getOverviewPanel()).getPagedOrientationHandler();
-        FloatProperty taskViewsFloat = orientationHandler.getSplitSelectTaskOffset(
-                TASK_PRIMARY_SPLIT_TRANSLATION, TASK_SECONDARY_SPLIT_TRANSLATION,
-                mLauncher.getDeviceProfile());
-        setter.setFloat(mRecentsView, taskViewsFloat,
+        Pair<FloatProperty, FloatProperty> taskViewsFloat =
+                orientationHandler.getSplitSelectTaskOffset(
+                        TASK_PRIMARY_SPLIT_TRANSLATION, TASK_SECONDARY_SPLIT_TRANSLATION,
+                        mLauncher.getDeviceProfile());
+        setter.setFloat(mRecentsView, taskViewsFloat.first,
                 toState.getSplitSelectTranslation(mLauncher), LINEAR);
+        setter.setFloat(mRecentsView, taskViewsFloat.second, 0, LINEAR);
 
         setter.setFloat(mRecentsView, getContentAlphaProperty(), toState.overviewUi ? 1 : 0,
                 config.getInterpolator(ANIM_OVERVIEW_FADE, AGGRESSIVE_EASE_IN_OUT));
@@ -120,16 +120,6 @@
         boolean showAsGrid = toState.displayOverviewTasksAsGrid(mLauncher.getDeviceProfile());
         setter.setFloat(mRecentsView, RECENTS_GRID_PROGRESS, showAsGrid ? 1f : 0f,
                 showAsGrid ? INSTANT : FINAL_FRAME);
-
-        applySplitScrollOffset(toState);
-    }
-
-    private void applySplitScrollOffset(@NonNull final LauncherState state) {
-        if (state == OVERVIEW_SPLIT_SELECT) {
-            mRecentsView.applySplitPrimaryScrollOffset();
-        } else {
-            mRecentsView.resetSplitPrimaryScrollOffset();
-        }
     }
 
     abstract FloatProperty getTaskModalnessProperty();
diff --git a/quickstep/src/com/android/launcher3/uioverrides/PredictedAppIcon.java b/quickstep/src/com/android/launcher3/uioverrides/PredictedAppIcon.java
index ee6e8ce..351ec4a 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/PredictedAppIcon.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/PredictedAppIcon.java
@@ -16,6 +16,7 @@
 package com.android.launcher3.uioverrides;
 
 import static com.android.launcher3.anim.Interpolators.ACCEL_DEACCEL;
+import static com.android.launcher3.icons.BitmapInfo.FLAG_THEMED;
 
 import android.animation.Animator;
 import android.animation.AnimatorSet;
@@ -236,7 +237,7 @@
         mSlotMachineIcons = new ArrayList<>(iconsToAnimate.size() + 2);
         mSlotMachineIcons.add(getIcon());
         iconsToAnimate.stream()
-                .map(iconInfo -> iconInfo.newThemedIcon(mContext))
+                .map(iconInfo -> iconInfo.newIcon(mContext, FLAG_THEMED))
                 .forEach(mSlotMachineIcons::add);
         if (endWithOriginalIcon) {
             mSlotMachineIcons.add(getIcon());
diff --git a/quickstep/src/com/android/launcher3/uioverrides/RecentsViewStateController.java b/quickstep/src/com/android/launcher3/uioverrides/RecentsViewStateController.java
index 1f744e1..19897a1 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/RecentsViewStateController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/RecentsViewStateController.java
@@ -63,6 +63,15 @@
         }
         setAlphas(PropertySetter.NO_ANIM_PROPERTY_SETTER, new StateAnimationConfig(), state);
         mRecentsView.setFullscreenProgress(state.getOverviewFullscreenProgress());
+        // In Overview, we may be layering app surfaces behind Launcher, so we need to notify
+        // DepthController to prevent optimizations which might occlude the layers behind
+        mLauncher.getDepthController().setHasContentBehindLauncher(state.overviewUi);
+
+        if (isSplitSelectionState(state)) {
+            mRecentsView.applySplitPrimaryScrollOffset();
+        } else {
+            mRecentsView.resetSplitPrimaryScrollOffset();
+        }
     }
 
     @Override
@@ -78,13 +87,20 @@
             builder.addListener(
                     AnimatorListeners.forSuccessCallback(mRecentsView::resetTaskVisuals));
         }
+        // In Overview, we may be layering app surfaces behind Launcher, so we need to notify
+        // DepthController to prevent optimizations which might occlude the layers behind
+        builder.addListener(AnimatorListeners.forSuccessCallback(() ->
+                mLauncher.getDepthController().setHasContentBehindLauncher(toState.overviewUi)));
 
         // Create or dismiss split screen select animations
         LauncherState currentState = mLauncher.getStateManager().getState();
         if (isSplitSelectionState(toState) && !isSplitSelectionState(currentState)) {
             builder.add(mRecentsView.createSplitSelectInitAnimation().buildAnim());
-        } else if (!isSplitSelectionState(toState) && isSplitSelectionState(currentState)) {
-            builder.add(mRecentsView.cancelSplitSelect(true).buildAnim());
+        }
+        if (isSplitSelectionState(toState)) {
+            mRecentsView.applySplitPrimaryScrollOffset();
+        } else {
+            mRecentsView.resetSplitPrimaryScrollOffset();
         }
 
         setAlphas(builder, config, toState);
diff --git a/quickstep/src/com/android/launcher3/uioverrides/states/AllAppsState.java b/quickstep/src/com/android/launcher3/uioverrides/states/AllAppsState.java
index c554fd0..8f89d30 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/states/AllAppsState.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/states/AllAppsState.java
@@ -69,7 +69,7 @@
     }
 
     @Override
-    public boolean isTaskbarStashed() {
+    public boolean isTaskbarStashed(Launcher launcher) {
         return true;
     }
 
diff --git a/quickstep/src/com/android/launcher3/uioverrides/states/BackgroundAppState.java b/quickstep/src/com/android/launcher3/uioverrides/states/BackgroundAppState.java
index 4984b95..b733007 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/states/BackgroundAppState.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/states/BackgroundAppState.java
@@ -74,8 +74,7 @@
         return super.getVisibleElements(launcher)
                 & ~OVERVIEW_ACTIONS
                 & ~CLEAR_ALL_BUTTON
-                & ~VERTICAL_SWIPE_INDICATOR
-                | TASKBAR;
+                & ~VERTICAL_SWIPE_INDICATOR;
     }
 
     @Override
diff --git a/quickstep/src/com/android/launcher3/uioverrides/states/OverviewState.java b/quickstep/src/com/android/launcher3/uioverrides/states/OverviewState.java
index d396018..08d0a80 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/states/OverviewState.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/states/OverviewState.java
@@ -21,13 +21,11 @@
 import android.content.Context;
 import android.graphics.Rect;
 import android.os.SystemProperties;
-import android.view.View;
 
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.R;
-import com.android.launcher3.Workspace;
 import com.android.launcher3.util.Themes;
 import com.android.quickstep.SysUINavigationMode;
 import com.android.quickstep.util.LayoutUtils;
@@ -66,10 +64,7 @@
     @Override
     public ScaleAndTranslation getWorkspaceScaleAndTranslation(Launcher launcher) {
         RecentsView recentsView = launcher.getOverviewPanel();
-        Workspace workspace = launcher.getWorkspace();
-        View workspacePage = workspace.getPageAt(workspace.getCurrentPage());
-        float workspacePageWidth = workspacePage != null && workspacePage.getWidth() != 0
-                ? workspacePage.getWidth() : launcher.getDeviceProfile().availableWidthPx;
+        float workspacePageWidth = launcher.getDeviceProfile().getWorkspaceWidth();
         recentsView.getTaskSize(sTempRect);
         float scale = (float) sTempRect.width() / workspacePageWidth;
         float parallaxFactor = 0.5f;
@@ -97,7 +92,7 @@
     }
 
     @Override
-    public boolean isTaskbarStashed() {
+    public boolean isTaskbarStashed(Launcher launcher) {
         return true;
     }
 
diff --git a/quickstep/src/com/android/launcher3/uioverrides/states/QuickSwitchState.java b/quickstep/src/com/android/launcher3/uioverrides/states/QuickSwitchState.java
index d36e76b..969abc2 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/states/QuickSwitchState.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/states/QuickSwitchState.java
@@ -17,6 +17,7 @@
 
 import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_BACKGROUND;
 
+import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
 import com.android.launcher3.util.Themes;
@@ -42,6 +43,10 @@
 
     @Override
     public int getWorkspaceScrimColor(Launcher launcher) {
+        DeviceProfile dp = launcher.getDeviceProfile();
+        if (dp.isTaskbarPresentInApps) {
+            return launcher.getColor(R.color.taskbar_background);
+        }
         return Themes.getAttrColor(launcher, R.attr.overviewScrimColor);
     }
 
@@ -53,6 +58,16 @@
 
     @Override
     public int getVisibleElements(Launcher launcher) {
-        return TASKBAR;
+        return NONE;
+    }
+
+    @Override
+    public boolean isTaskbarStashed(Launcher launcher) {
+        return !launcher.getDeviceProfile().isTaskbarPresentInApps;
+    }
+
+    @Override
+    public boolean isTaskbarAlignedWithHotseat(Launcher launcher) {
+        return false;
     }
 }
diff --git a/quickstep/src/com/android/launcher3/uioverrides/states/SplitScreenSelectState.java b/quickstep/src/com/android/launcher3/uioverrides/states/SplitScreenSelectState.java
index 106375a..e79d56b 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/states/SplitScreenSelectState.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/states/SplitScreenSelectState.java
@@ -17,8 +17,6 @@
 package com.android.launcher3.uioverrides.states;
 
 import com.android.launcher3.Launcher;
-import com.android.launcher3.R;
-import com.android.launcher3.touch.PagedOrientationHandler;
 import com.android.quickstep.views.RecentsView;
 
 /**
@@ -31,11 +29,6 @@
     }
 
     @Override
-    public void onBackPressed(Launcher launcher) {
-        launcher.getStateManager().goToState(OVERVIEW);
-    }
-
-    @Override
     public int getVisibleElements(Launcher launcher) {
         return SPLIT_PLACHOLDER_VIEW;
     }
@@ -43,12 +36,6 @@
     @Override
     public float getSplitSelectTranslation(Launcher launcher) {
         RecentsView recentsView = launcher.getOverviewPanel();
-        int splitPosition = recentsView.getSplitPlaceholder().getActiveSplitStagePosition();
-        if (!recentsView.shouldShiftThumbnailsForSplitSelect()) {
-            return 0f;
-        }
-        PagedOrientationHandler orientationHandler = recentsView.getPagedOrientationHandler();
-        int direction = orientationHandler.getSplitTranslationDirectionFactor(splitPosition);
-        return launcher.getResources().getDimension(R.dimen.split_placeholder_size) * direction;
+        return recentsView.getSplitSelectTranslation();
     }
 }
diff --git a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonQuickSwitchTouchController.java b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonQuickSwitchTouchController.java
index ff3c517..f6148a7 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonQuickSwitchTouchController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonQuickSwitchTouchController.java
@@ -236,8 +236,10 @@
         //   - RecentsView fade (if it's empty)
         PendingAnimation xAnim = new PendingAnimation((long) (mXRange * 2));
         xAnim.setFloat(mRecentsView, ADJACENT_PAGE_HORIZONTAL_OFFSET, scaleAndOffset[1], LINEAR);
+        // Use QuickSwitchState instead of OverviewState to determine scrim color,
+        // since we need to take potential taskbar into account.
         xAnim.setViewBackgroundColor(mLauncher.getScrimView(),
-                toState.getWorkspaceScrimColor(mLauncher), LINEAR);
+                QUICK_SWITCH.getWorkspaceScrimColor(mLauncher), LINEAR);
         if (mRecentsView.getTaskViewCount() == 0) {
             xAnim.addFloat(mRecentsView, CONTENT_ALPHA, 0f, 1f, LINEAR);
         }
@@ -310,6 +312,11 @@
                 }
             });
             overviewAnim.start();
+
+            // Create an empty state transition so StateListeners get onStateTransitionStart().
+            mLauncher.getStateManager().createAnimationToNewWorkspace(
+                    OVERVIEW, config.duration, StateAnimationConfig.SKIP_ALL_ANIMATIONS)
+                    .dispatchOnStart();
             return;
         }
 
@@ -384,6 +391,7 @@
             config.animFlags = SKIP_ALL_ANIMATIONS;
             updateNonOverviewAnim(targetState, config);
             nonOverviewAnim = mNonOverviewAnim.getAnimationPlayer();
+            mNonOverviewAnim.dispatchOnStart();
 
             new WorkspaceRevealAnim(mLauncher, false /* animateOverviewScrim */).start();
         } else {
diff --git a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index 45b2081..1a901f1 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -55,6 +55,7 @@
 import android.animation.AnimatorSet;
 import android.animation.ValueAnimator;
 import android.annotation.TargetApi;
+import android.app.Activity;
 import android.app.ActivityManager;
 import android.content.Context;
 import android.content.Intent;
@@ -96,6 +97,7 @@
 import com.android.quickstep.RemoteTargetGluer.RemoteTargetHandle;
 import com.android.quickstep.util.ActiveGestureLog;
 import com.android.quickstep.util.ActivityInitListener;
+import com.android.launcher3.util.ActivityLifecycleCallbacksAdapter;
 import com.android.quickstep.util.AnimatorControllerWithResistance;
 import com.android.quickstep.util.InputConsumerProxy;
 import com.android.quickstep.util.InputProxyHandlerFactory;
@@ -121,8 +123,8 @@
 import com.android.systemui.shared.system.TaskStackChangeListeners;
 
 import java.util.ArrayList;
-import java.util.HashMap;
 import java.util.Arrays;
+import java.util.HashMap;
 import java.util.function.Consumer;
 
 /**
@@ -153,6 +155,17 @@
     protected MultiStateCallback mStateCallback;
     protected boolean mCanceled;
     private boolean mRecentsViewScrollLinked = false;
+    private final ActivityLifecycleCallbacksAdapter mLifecycleCallbacks =
+            new ActivityLifecycleCallbacksAdapter() {
+                @Override
+                public void onActivityDestroyed(Activity activity) {
+                    if (mActivity != activity) {
+                        return;
+                    }
+                    mRecentsView = null;
+                    mActivity = null;
+                }
+            };
 
     private static int getFlagForIndex(int index, String name) {
         if (DEBUG_STATES) {
@@ -416,6 +429,7 @@
         setupRecentsViewUi();
         linkRecentsViewScroll();
 
+        mActivity.registerActivityLifecycleCallbacks(mLifecycleCallbacks);
         return true;
     }
 
@@ -687,14 +701,17 @@
     }
 
     private void onAnimatorPlaybackControllerCreated(AnimatorControllerWithResistance anim) {
+        boolean isFirstCreation = mLauncherTransitionController == null;
         mLauncherTransitionController = anim;
-        mStateCallback.runOnceAtState(STATE_GESTURE_STARTED, () -> {
-            // Wait until the gesture is started (touch slop was passed) to start in sync with
-            // mWindowTransitionController. This ensures we don't hide the taskbar background when
-            // long pressing to stash it, for instance.
-            mLauncherTransitionController.getNormalController().dispatchOnStart();
-            updateLauncherTransitionProgress();
-        });
+        if (isFirstCreation) {
+            mStateCallback.runOnceAtState(STATE_GESTURE_STARTED, () -> {
+                // Wait until the gesture is started (touch slop was passed) to start in sync with
+                // mWindowTransitionController. This ensures we don't hide the taskbar background
+                // when long pressing to stash it, for instance.
+                mLauncherTransitionController.getNormalController().dispatchOnStart();
+                updateLauncherTransitionProgress();
+            });
+        }
     }
 
     public Intent getLaunchIntent() {
@@ -1539,6 +1556,9 @@
 
     private void reset() {
         mStateCallback.setStateOnUiThread(STATE_HANDLER_INVALIDATED);
+        if (mActivity != null) {
+            mActivity.unregisterActivityLifecycleCallbacks(mLifecycleCallbacks);
+        }
     }
 
     /**
diff --git a/quickstep/src/com/android/quickstep/BaseActivityInterface.java b/quickstep/src/com/android/quickstep/BaseActivityInterface.java
index e15aa92..1d4ed4c 100644
--- a/quickstep/src/com/android/quickstep/BaseActivityInterface.java
+++ b/quickstep/src/com/android/quickstep/BaseActivityInterface.java
@@ -30,6 +30,7 @@
 import static com.android.quickstep.views.RecentsView.TASK_SECONDARY_TRANSLATION;
 
 import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
 import android.animation.ObjectAnimator;
 import android.annotation.TargetApi;
 import android.content.Context;
@@ -220,6 +221,7 @@
 
             PointF taskDimension = getTaskDimension(context, dp);
             float scale = gridRect.height() / taskDimension.y;
+            scale = Math.min(scale, res.getFloat(R.dimen.overview_max_scale));
             int outWidth = Math.round(scale * taskDimension.x);
             int outHeight = Math.round(scale * taskDimension.y);
 
@@ -398,6 +400,11 @@
      * (This is a hack to ensure Taskbar draws its background first to avoid flickering.)
      */
     public @Nullable View onSettledOnEndTarget(GestureState.GestureEndTarget endTarget) {
+        TaskbarUIController taskbarUIController = getTaskbarController();
+        if (taskbarUIController != null) {
+            taskbarUIController.setSystemGestureInProgress(false);
+            return taskbarUIController.getRootView();
+        }
         return null;
     }
 
@@ -533,6 +540,16 @@
             pa.addFloat(recentsView, RECENTS_SCALE_PROPERTY,
                     recentsView.getMaxScaleForFullScreen(), 1, LINEAR);
             pa.addFloat(recentsView, FULLSCREEN_PROGRESS, 1, 0, LINEAR);
+
+            pa.addListener(new AnimatorListenerAdapter() {
+                @Override
+                public void onAnimationStart(Animator animation) {
+                    TaskbarUIController taskbarUIController = getTaskbarController();
+                    if (taskbarUIController != null) {
+                        taskbarUIController.setSystemGestureInProgress(true);
+                    }
+                }
+            });
         }
     }
 }
diff --git a/quickstep/src/com/android/quickstep/LauncherActivityInterface.java b/quickstep/src/com/android/quickstep/LauncherActivityInterface.java
index aa9435b..719c2ae 100644
--- a/quickstep/src/com/android/quickstep/LauncherActivityInterface.java
+++ b/quickstep/src/com/android/quickstep/LauncherActivityInterface.java
@@ -25,12 +25,10 @@
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 
 import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
 import android.content.Context;
 import android.graphics.Rect;
 import android.view.MotionEvent;
-import android.view.View;
 
 import androidx.annotation.Nullable;
 import androidx.annotation.UiThread;
@@ -132,19 +130,6 @@
                 pa.addFloat(getDepthController(),
                         new ClampedDepthProperty(fromDepthRatio, toDepthRatio),
                         fromDepthRatio, toDepthRatio, LINEAR);
-
-                pa.addListener(new AnimatorListenerAdapter() {
-                    @Override
-                    public void onAnimationStart(Animator animation) {
-                        LauncherTaskbarUIController taskbarUIController =
-                                activity.getTaskbarUIController();
-                        if (taskbarUIController != null) {
-                            // Launcher's ScrimView will draw the background throughout the gesture.
-                            taskbarUIController.forceHideBackground(true);
-                        }
-                    }
-                });
-
             }
         };
 
@@ -366,16 +351,4 @@
                 return NORMAL;
         }
     }
-
-    @Override
-    public View onSettledOnEndTarget(@Nullable GestureEndTarget endTarget) {
-        View superRet = super.onSettledOnEndTarget(endTarget);
-        LauncherTaskbarUIController taskbarUIController = getTaskbarController();
-        if (taskbarUIController != null) {
-            // Start drawing taskbar's background again since launcher might stop drawing.
-            taskbarUIController.forceHideBackground(false);
-            return taskbarUIController.getRootView();
-        }
-        return superRet;
-    }
 }
diff --git a/quickstep/src/com/android/quickstep/LauncherSwipeHandlerV2.java b/quickstep/src/com/android/quickstep/LauncherSwipeHandlerV2.java
index 8a30aad..a72935b 100644
--- a/quickstep/src/com/android/quickstep/LauncherSwipeHandlerV2.java
+++ b/quickstep/src/com/android/quickstep/LauncherSwipeHandlerV2.java
@@ -115,8 +115,6 @@
     }
 
     private HomeAnimationFactory createIconHomeAnimationFactory(View workspaceView) {
-        final ResourceProvider rp = DynamicResource.provider(mActivity);
-        final float transY = dpToPx(rp.getFloat(R.dimen.swipe_up_trans_y_dp));
         RectF iconLocation = new RectF();
         FloatingIconView floatingIconView = getFloatingIconView(mActivity, workspaceView,
                 true /* hideOriginal */, iconLocation, false /* isOpening */);
@@ -127,19 +125,15 @@
 
         return new FloatingViewHomeAnimationFactory(floatingIconView) {
 
-            // There is a delay in loading the icon, so we need to keep the window
-            // opaque until it is ready.
-            private boolean mIsFloatingIconReady = false;
-
             @Nullable
             @Override
             protected View getViewIgnoredInWorkspaceRevealAnimation() {
                 return workspaceView;
             }
 
+            @NonNull
             @Override
             public RectF getWindowTargetRect() {
-                super.getWindowTargetRect();
                 return iconLocation;
             }
 
@@ -152,15 +146,6 @@
             }
 
             @Override
-            public boolean keepWindowOpaque() {
-                if (mIsFloatingIconReady || floatingIconView.isVisibleToUser()) {
-                    mIsFloatingIconReady = true;
-                    return false;
-                }
-                return true;
-            }
-
-            @Override
             public void update(RectF currentRect, float progress, float radius) {
                 super.update(currentRect, progress, radius);
                 floatingIconView.update(1f /* alpha */, 255 /* fgAlpha */, currentRect, progress,
@@ -215,11 +200,6 @@
             }
 
             @Override
-            public boolean keepWindowOpaque() {
-                return false;
-            }
-
-            @Override
             public void update(RectF currentRect, float progress, float radius) {
                 super.update(currentRect, progress, radius);
                 final float fallbackBackgroundAlpha =
@@ -264,7 +244,7 @@
             }
         }
 
-        return mActivity.getWorkspace().getFirstMatchForAppClose(launchCookieItemId,
+        return mActivity.getFirstMatchForAppClose(launchCookieItemId,
                 runningTaskView.getTask().key.getComponent().getPackageName(),
                 UserHandle.of(runningTaskView.getTask().key.userId));
     }
diff --git a/quickstep/src/com/android/quickstep/RecentTasksList.java b/quickstep/src/com/android/quickstep/RecentTasksList.java
index c5f4a53..097850f 100644
--- a/quickstep/src/com/android/quickstep/RecentTasksList.java
+++ b/quickstep/src/com/android/quickstep/RecentTasksList.java
@@ -36,6 +36,7 @@
 import com.android.wm.shell.util.GroupedRecentTaskInfo;
 import com.android.wm.shell.util.StagedSplitBounds;
 
+import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.function.Consumer;
@@ -219,6 +220,26 @@
         return newTasks;
     }
 
+    public void dump(String prefix, PrintWriter writer) {
+        writer.println(prefix + "RecentTasksList:");
+        writer.println(prefix + "  mChangeId=" + mChangeId);
+        writer.println(prefix + "  mResultsUi=[id=" + mResultsUi.mRequestId + ", tasks=");
+        for (GroupTask task : mResultsUi) {
+            writer.println(prefix + "    t1=" + task.task1.key.id
+                    + " t2=" + (task.hasMultipleTasks() ? task.task2.key.id : "-1"));
+        }
+        writer.println(prefix + "  ]");
+        int currentUserId = Process.myUserHandle().getIdentifier();
+        ArrayList<GroupedRecentTaskInfo> rawTasks =
+                mSysUiProxy.getRecentTasks(Integer.MAX_VALUE, currentUserId);
+        writer.println(prefix + "  rawTasks=[");
+        for (GroupedRecentTaskInfo task : rawTasks) {
+            writer.println(prefix + "    t1=" + task.mTaskInfo1.taskId
+                    + " t2=" + (task.mTaskInfo2 != null ? task.mTaskInfo2.taskId : "-1"));
+        }
+        writer.println(prefix + "  ]");
+    }
+
     private static class TaskLoadResult extends ArrayList<GroupTask> {
 
         final int mRequestId;
diff --git a/quickstep/src/com/android/quickstep/RecentsAnimationCallbacks.java b/quickstep/src/com/android/quickstep/RecentsAnimationCallbacks.java
index dd6392c..b502676 100644
--- a/quickstep/src/com/android/quickstep/RecentsAnimationCallbacks.java
+++ b/quickstep/src/com/android/quickstep/RecentsAnimationCallbacks.java
@@ -23,6 +23,7 @@
 import android.view.RemoteAnimationTarget;
 
 import androidx.annotation.BinderThread;
+import androidx.annotation.NonNull;
 import androidx.annotation.UiThread;
 
 import com.android.launcher3.Utilities;
@@ -77,7 +78,7 @@
 
     public void notifyAnimationCanceled() {
         mCancelled = true;
-        onAnimationCanceled(null);
+        onAnimationCanceled(new HashMap<>());
     }
 
     // Called only in Q platform
@@ -167,16 +168,17 @@
          * Callback from the system when the recents animation is canceled. {@param thumbnailData}
          * is passed back for rendering screenshot to replace live tile.
          */
-        default void onRecentsAnimationCanceled(HashMap<Integer, ThumbnailData> thumbnailDatas) {}
+        default void onRecentsAnimationCanceled(
+                @NonNull HashMap<Integer, ThumbnailData> thumbnailDatas) {}
 
         /**
          * Callback made whenever the recents animation is finished.
          */
-        default void onRecentsAnimationFinished(RecentsAnimationController controller) {}
+        default void onRecentsAnimationFinished(@NonNull RecentsAnimationController controller) {}
 
         /**
          * Callback made when a task started from the recents is ready for an app transition.
          */
-        default void onTasksAppeared(RemoteAnimationTargetCompat[] appearedTaskTarget) {}
+        default void onTasksAppeared(@NonNull RemoteAnimationTargetCompat[] appearedTaskTarget) {}
     }
 }
diff --git a/quickstep/src/com/android/quickstep/RecentsModel.java b/quickstep/src/com/android/quickstep/RecentsModel.java
index e539a8c..5d77a6e 100644
--- a/quickstep/src/com/android/quickstep/RecentsModel.java
+++ b/quickstep/src/com/android/quickstep/RecentsModel.java
@@ -43,6 +43,7 @@
 import com.android.systemui.shared.system.TaskStackChangeListener;
 import com.android.systemui.shared.system.TaskStackChangeListeners;
 
+import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.Executor;
@@ -220,6 +221,11 @@
         mThumbnailChangeListeners.remove(listener);
     }
 
+    public void dump(String prefix, PrintWriter writer) {
+        writer.println(prefix + "RecentsModel:");
+        mTaskList.dump("  ", writer);
+    }
+
     /**
      * Listener for receiving various task properties changes
      */
diff --git a/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java b/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java
index b36cb0a..8e9b668 100644
--- a/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java
+++ b/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java
@@ -183,8 +183,6 @@
 
         public void setAnimation(RectFSpringAnim anim) { }
 
-        public boolean keepWindowOpaque() { return false; }
-
         public void update(RectF currentRect, float progress, float radius) { }
 
         public void onCancel() { }
@@ -338,9 +336,6 @@
             mMatrix.setRectToRect(mCropRectF, mWindowCurrentRect, ScaleToFit.FILL);
             float cornerRadius = Utilities.mapRange(progress, mStartRadius, mEndRadius);
             float alpha = mAnimationFactory.getWindowAlpha(progress);
-            if (mAnimationFactory.keepWindowOpaque()) {
-                alpha = 1f;
-            }
             mLocalTransformParams
                     .setTargetAlpha(alpha)
                     .setCornerRadius(cornerRadius);
diff --git a/quickstep/src/com/android/quickstep/SystemUiProxy.java b/quickstep/src/com/android/quickstep/SystemUiProxy.java
index 68b7558..67e7f88 100644
--- a/quickstep/src/com/android/quickstep/SystemUiProxy.java
+++ b/quickstep/src/com/android/quickstep/SystemUiProxy.java
@@ -83,14 +83,16 @@
         MAIN_EXECUTOR.execute(() -> clearProxy());
     };
 
-    // Save the listeners passed into the proxy since when set/register these listeners,
-    // setProxy may not have been called, eg. OverviewProxyService is not connected yet.
-    private IPipAnimationListener mPendingPipAnimationListener;
-    private ISplitScreenListener mPendingSplitScreenListener;
-    private IStartingWindowListener mPendingStartingWindowListener;
-    private ISmartspaceCallback mPendingSmartspaceCallback;
-    private IRecentTasksListener mPendingRecentTasksListener;
-    private final ArrayList<RemoteTransitionCompat> mPendingRemoteTransitions = new ArrayList<>();
+    // Save the listeners passed into the proxy since OverviewProxyService may not have been bound
+    // yet, and we'll need to set/register these listeners with SysUI when they do.  Note that it is
+    // up to the caller to clear the listeners to prevent leaks as these can be held indefinitely
+    // in case SysUI needs to rebind.
+    private IPipAnimationListener mPipAnimationListener;
+    private ISplitScreenListener mSplitScreenListener;
+    private IStartingWindowListener mStartingWindowListener;
+    private ISmartspaceCallback mSmartspaceCallback;
+    private IRecentTasksListener mRecentTasksListener;
+    private final ArrayList<RemoteTransitionCompat> mRemoteTransitions = new ArrayList<>();
 
     // Used to dedupe calls to SystemUI
     private int mLastShelfHeight;
@@ -167,29 +169,23 @@
         mRecentTasks = recentTasks;
         linkToDeath();
         // re-attach the listeners once missing due to setProxy has not been initialized yet.
-        if (mPendingPipAnimationListener != null && mPip != null) {
-            setPinnedStackAnimationListener(mPendingPipAnimationListener);
-            mPendingPipAnimationListener = null;
+        if (mPipAnimationListener != null && mPip != null) {
+            setPinnedStackAnimationListener(mPipAnimationListener);
         }
-        if (mPendingSplitScreenListener != null && mSplitScreen != null) {
-            registerSplitScreenListener(mPendingSplitScreenListener);
-            mPendingSplitScreenListener = null;
+        if (mSplitScreenListener != null && mSplitScreen != null) {
+            registerSplitScreenListener(mSplitScreenListener);
         }
-        if (mPendingStartingWindowListener != null && mStartingWindow != null) {
-            setStartingWindowListener(mPendingStartingWindowListener);
-            mPendingStartingWindowListener = null;
+        if (mStartingWindowListener != null && mStartingWindow != null) {
+            setStartingWindowListener(mStartingWindowListener);
         }
-        if (mPendingSmartspaceCallback != null && mSmartspaceTransitionController != null) {
-            setSmartspaceCallback(mPendingSmartspaceCallback);
-            mPendingSmartspaceCallback = null;
+        if (mSmartspaceCallback != null && mSmartspaceTransitionController != null) {
+            setSmartspaceCallback(mSmartspaceCallback);
         }
-        for (int i = mPendingRemoteTransitions.size() - 1; i >= 0; --i) {
-            registerRemoteTransition(mPendingRemoteTransitions.get(i));
+        for (int i = mRemoteTransitions.size() - 1; i >= 0; --i) {
+            registerRemoteTransition(mRemoteTransitions.get(i));
         }
-        mPendingRemoteTransitions.clear();
-        if (mPendingRecentTasksListener != null && mRecentTasks != null) {
-            registerRecentTasksListener(mPendingRecentTasksListener);
-            mPendingRecentTasksListener = null;
+        if (mRecentTasksListener != null && mRecentTasks != null) {
+            registerRecentTasksListener(mRecentTasksListener);
         }
 
         if (mPendingSetNavButtonAlpha != null) {
@@ -513,9 +509,8 @@
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call setPinnedStackAnimationListener", e);
             }
-        } else {
-            mPendingPipAnimationListener = listener;
         }
+        mPipAnimationListener = listener;
     }
 
     public Rect startSwipePipToHome(ComponentName componentName, ActivityInfo activityInfo,
@@ -553,9 +548,8 @@
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call registerSplitScreenListener");
             }
-        } else {
-            mPendingSplitScreenListener = listener;
         }
+        mSplitScreenListener = listener;
     }
 
     public void unregisterSplitScreenListener(ISplitScreenListener listener) {
@@ -566,17 +560,17 @@
                 Log.w(TAG, "Failed call unregisterSplitScreenListener");
             }
         }
-        mPendingSplitScreenListener = null;
+        mSplitScreenListener = null;
     }
 
     /** Start multiple tasks in split-screen simultaneously. */
     public void startTasks(int mainTaskId, Bundle mainOptions, int sideTaskId, Bundle sideOptions,
-            @SplitConfigurationOptions.StagePosition int sidePosition,
+            @SplitConfigurationOptions.StagePosition int sidePosition, float splitRatio,
             RemoteTransitionCompat remoteTransition) {
         if (mSystemUiProxy != null) {
             try {
                 mSplitScreen.startTasks(mainTaskId, mainOptions, sideTaskId, sideOptions,
-                        sidePosition, remoteTransition.getTransition());
+                        sidePosition, splitRatio, remoteTransition.getTransition());
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call startTask");
             }
@@ -588,22 +582,22 @@
      */
     public void startTasksWithLegacyTransition(int mainTaskId, Bundle mainOptions, int sideTaskId,
             Bundle sideOptions, @SplitConfigurationOptions.StagePosition int sidePosition,
-            RemoteAnimationAdapter adapter) {
+            float splitRatio, RemoteAnimationAdapter adapter) {
         if (mSystemUiProxy != null) {
             try {
                 mSplitScreen.startTasksWithLegacyTransition(mainTaskId, mainOptions, sideTaskId,
-                        sideOptions, sidePosition, adapter);
+                        sideOptions, sidePosition, splitRatio, adapter);
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call startTasksWithLegacyTransition");
             }
         }
     }
 
-    public void startShortcut(String packageName, String shortcutId, int stage, int position,
+    public void startShortcut(String packageName, String shortcutId, int position,
             Bundle options, UserHandle user) {
         if (mSplitScreen != null) {
             try {
-                mSplitScreen.startShortcut(packageName, shortcutId, stage, position, options,
+                mSplitScreen.startShortcut(packageName, shortcutId, position, options,
                         user);
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call startShortcut");
@@ -611,11 +605,11 @@
         }
     }
 
-    public void startIntent(PendingIntent intent, Intent fillInIntent, int stage, int position,
+    public void startIntent(PendingIntent intent, Intent fillInIntent, int position,
             Bundle options) {
         if (mSplitScreen != null) {
             try {
-                mSplitScreen.startIntent(intent, fillInIntent, stage, position, options);
+                mSplitScreen.startIntent(intent, fillInIntent, position, options);
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call startIntent");
             }
@@ -687,8 +681,9 @@
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call registerRemoteTransition");
             }
-        } else {
-            mPendingRemoteTransitions.add(remoteTransition);
+        }
+        if (!mRemoteTransitions.contains(remoteTransition)) {
+            mRemoteTransitions.add(remoteTransition);
         }
     }
 
@@ -700,7 +695,7 @@
                 Log.w(TAG, "Failed call registerRemoteTransition");
             }
         }
-        mPendingRemoteTransitions.remove(remoteTransition);
+        mRemoteTransitions.remove(remoteTransition);
     }
 
     //
@@ -717,9 +712,8 @@
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call setStartingWindowListener", e);
             }
-        } else {
-            mPendingStartingWindowListener = listener;
         }
+        mStartingWindowListener = listener;
     }
 
     //
@@ -733,9 +727,8 @@
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call setStartingWindowListener", e);
             }
-        } else {
-            mPendingSmartspaceCallback = callback;
         }
+        mSmartspaceCallback = callback;
     }
 
     //
@@ -749,9 +742,8 @@
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call registerRecentTasksListener", e);
             }
-        } else {
-            mPendingRecentTasksListener = listener;
         }
+        mRecentTasksListener = listener;
     }
 
     public void unregisterRecentTasksListener(IRecentTasksListener listener) {
@@ -762,7 +754,7 @@
                 Log.w(TAG, "Failed call unregisterRecentTasksListener");
             }
         }
-        mPendingRecentTasksListener = null;
+        mRecentTasksListener = null;
     }
 
     public ArrayList<GroupedRecentTaskInfo> getRecentTasks(int numTasks, int userId) {
diff --git a/quickstep/src/com/android/quickstep/TaskAnimationManager.java b/quickstep/src/com/android/quickstep/TaskAnimationManager.java
index e69330a..66ecf88 100644
--- a/quickstep/src/com/android/quickstep/TaskAnimationManager.java
+++ b/quickstep/src/com/android/quickstep/TaskAnimationManager.java
@@ -184,7 +184,7 @@
                     mCtx.getIApplicationThread());
             Bundle options = ActivityOptionsCompat.makeRemoteTransition(transition)
                     .setTransientLaunch().toBundle();
-            mCtx.startActivity(intent, options);
+            UI_HELPER_EXECUTOR.execute(() -> mCtx.startActivity(intent, options));
         } else {
             UI_HELPER_EXECUTOR.execute(() -> ActivityManagerWrapper.getInstance()
                     .startRecentsActivity(intent, eventTime, mCallbacks, null, null));
diff --git a/quickstep/src/com/android/quickstep/TaskIconCache.java b/quickstep/src/com/android/quickstep/TaskIconCache.java
index fa61fff..b5d6fae 100644
--- a/quickstep/src/com/android/quickstep/TaskIconCache.java
+++ b/quickstep/src/com/android/quickstep/TaskIconCache.java
@@ -26,10 +26,8 @@
 import android.graphics.Bitmap;
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
-import android.os.Build;
 import android.os.UserHandle;
 import android.text.TextUtils;
-import android.util.SparseArray;
 import android.view.accessibility.AccessibilityManager;
 
 import androidx.annotation.WorkerThread;
@@ -37,6 +35,7 @@
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.icons.BaseIconFactory;
+import com.android.launcher3.icons.BaseIconFactory.IconOptions;
 import com.android.launcher3.icons.BitmapInfo;
 import com.android.launcher3.icons.IconProvider;
 import com.android.launcher3.util.DisplayController;
@@ -63,7 +62,7 @@
 
     private final Context mContext;
     private final TaskKeyLruCache<TaskCacheEntry> mIconCache;
-    private final SparseArray<BitmapInfo> mDefaultIcons = new SparseArray<>();
+    private final BitmapInfo[] mDefaultIcons = new BitmapInfo[1];
     private final IconProvider mIconProvider;
 
     private BaseIconFactory mIconFactory;
@@ -154,7 +153,6 @@
         // TODO: Load icon resource (b/143363444)
         Bitmap icon = TaskDescriptionCompat.getIcon(desc, key.userId);
         if (icon != null) {
-            /* isInstantApp */
             entry.icon = getBitmapInfo(
                     new BitmapDrawable(mContext.getResources(), icon),
                     key.userId,
@@ -210,14 +208,12 @@
     @WorkerThread
     private Drawable getDefaultIcon(int userId) {
         synchronized (mDefaultIcons) {
-            BitmapInfo info = mDefaultIcons.get(userId);
-            if (info == null) {
+            if (mDefaultIcons[0] == null) {
                 try (BaseIconFactory bif = getIconFactory()) {
-                    info = bif.makeDefaultIcon(UserHandle.of(userId));
+                    mDefaultIcons[0] = bif.makeDefaultIcon();
                 }
-                mDefaultIcons.put(userId, info);
             }
-            return info.newIcon(mContext);
+            return mDefaultIcons[0].clone().withUser(UserHandle.of(userId)).newIcon(mContext);
         }
     }
 
@@ -229,8 +225,8 @@
             bif.setWrapperBackgroundColor(primaryColor);
 
             // User version code O, so that the icon is always wrapped in an adaptive icon container
-            return bif.createBadgedIconBitmap(drawable, UserHandle.of(userId),
-                    Build.VERSION_CODES.O, isInstantApp);
+            return bif.createBadgedIconBitmap(drawable,
+                    new IconOptions().setUser(UserHandle.of(userId)).setInstantApp(isInstantApp));
         }
     }
 
diff --git a/quickstep/src/com/android/quickstep/TaskShortcutFactory.java b/quickstep/src/com/android/quickstep/TaskShortcutFactory.java
index 8c4ba97..cbdbdb5 100644
--- a/quickstep/src/com/android/quickstep/TaskShortcutFactory.java
+++ b/quickstep/src/com/android/quickstep/TaskShortcutFactory.java
@@ -72,7 +72,13 @@
         @Override
         public SystemShortcut getShortcut(BaseDraggingActivity activity,
                 TaskIdAttributeContainer taskContainer) {
-            return new AppInfo(activity, taskContainer.getItemInfo());
+            TaskView taskView = taskContainer.getTaskView();
+            AppInfo.SplitAccessibilityInfo accessibilityInfo =
+                    new AppInfo.SplitAccessibilityInfo(taskView.containsMultipleTasks(),
+                            TaskUtils.getTitle(taskView.getContext(), taskContainer.getTask()),
+                            taskContainer.getA11yNodeId()
+                    );
+            return new AppInfo(activity, taskContainer.getItemInfo(), accessibilityInfo);
         }
 
         @Override
diff --git a/quickstep/src/com/android/quickstep/TaskViewUtils.java b/quickstep/src/com/android/quickstep/TaskViewUtils.java
index 142fafe..97fc6d7 100644
--- a/quickstep/src/com/android/quickstep/TaskViewUtils.java
+++ b/quickstep/src/com/android/quickstep/TaskViewUtils.java
@@ -196,7 +196,8 @@
         boolean showAsGrid = dp.overviewShowAsGrid;
         boolean parallaxCenterAndAdjacentTask =
                 taskIndex != recentsView.getCurrentPage() && !showAsGrid;
-        int startScroll = recentsView.getScrollOffset(taskIndex);
+        int taskRectTranslationPrimary = recentsView.getScrollOffset(taskIndex);
+        int taskRectTranslationSecondary = showAsGrid ? (int) v.getGridTranslationY() : 0;
 
         RemoteTargetHandle[] topMostSimulators = null;
 
@@ -213,9 +214,10 @@
 
                 tvsLocal.fullScreenProgress.value = 0;
                 tvsLocal.recentsViewScale.value = 1;
-                tvsLocal.setScroll(startScroll);
                 tvsLocal.setIsGridTask(v.isGridTask());
-                tvsLocal.setGridTranslationY(v.getGridTranslationY());
+                tvsLocal.getOrientationState().getOrientationHandler().set(tvsLocal,
+                        TaskViewSimulator::setTaskRectTranslation, taskRectTranslationPrimary,
+                        taskRectTranslationSecondary);
 
                 // Fade in the task during the initial 20% of the animation
                 out.addFloat(targetHandle.getTransformParams(), TransformParams.TARGET_ALPHA, 0, 1,
@@ -314,7 +316,7 @@
                 mt[i] = localMt;
 
                 Matrix localMti = new Matrix();
-                localMti.invert(localMt);
+                localMt.invert(localMti);
                 mti[i] = localMti;
             }
 
diff --git a/quickstep/src/com/android/quickstep/TouchInteractionService.java b/quickstep/src/com/android/quickstep/TouchInteractionService.java
index 4bb666e..d1f39d2 100644
--- a/quickstep/src/com/android/quickstep/TouchInteractionService.java
+++ b/quickstep/src/com/android/quickstep/TouchInteractionService.java
@@ -22,7 +22,6 @@
 
 import static com.android.launcher3.config.FeatureFlags.ASSISTANT_GIVES_LAUNCHER_FOCUS;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_QUICKSTEP_LIVE_TILE;
-import static com.android.launcher3.testing.TestProtocol.TASKBAR_WINDOW_CRASH;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.quickstep.GestureState.DEFAULT_STATE;
 import static com.android.systemui.shared.system.ActivityManagerWrapper.CLOSE_SYSTEM_WINDOWS_REASON_RECENTS;
@@ -281,6 +280,12 @@
                     .onSystemBarAttributesChanged(displayId, behavior));
         }
 
+        @Override
+        public void onNavButtonsDarkIntensityChanged(float darkIntensity) {
+            executeForTaskbarManager(() -> mTaskbarManager
+                    .onNavButtonsDarkIntensityChanged(darkIntensity));
+        }
+
         private void executeForTaskbarManager(final Runnable r) {
             MAIN_EXECUTOR.execute(() -> {
                 if (mTaskbarManager == null) {
@@ -347,7 +352,6 @@
     @Override
     public void onCreate() {
         super.onCreate();
-        Log.d(TASKBAR_WINDOW_CRASH, "TIS created");
         // Initialize anything here that is needed in direct boot mode.
         // Everything else should be initialized in onUserUnlocked() below.
         mMainChoreographer = Choreographer.getInstance();
@@ -501,7 +505,6 @@
     @Override
     public void onDestroy() {
         Log.d(TAG, "Touch service destroyed: user=" + getUserId());
-        Log.d(TASKBAR_WINDOW_CRASH, "TIS destroyed");
         sIsInitialized = false;
         if (mDeviceState.isUserUnlocked()) {
             mInputConsumer.unregisterInputConsumer();
@@ -945,6 +948,7 @@
             pw.println("  resumed=" + resumed);
             pw.println("  mConsumer=" + mConsumer.getName());
             ActiveGestureLog.INSTANCE.dump("", pw);
+            RecentsModel.INSTANCE.get(this).dump("", pw);
             pw.println("ProtoTrace:");
             pw.println("  file=" + ProtoTracer.INSTANCE.get(this).getTraceFile());
         }
diff --git a/quickstep/src/com/android/quickstep/ViewUtils.java b/quickstep/src/com/android/quickstep/ViewUtils.java
index 184ab17..e290be8 100644
--- a/quickstep/src/com/android/quickstep/ViewUtils.java
+++ b/quickstep/src/com/android/quickstep/ViewUtils.java
@@ -15,8 +15,10 @@
  */
 package com.android.quickstep;
 
+import android.graphics.HardwareRenderer;
 import android.os.Handler;
 import android.view.View;
+import android.view.ViewRootImpl;
 
 import com.android.launcher3.Utilities;
 import com.android.systemui.shared.system.ViewRootImplCompat;
@@ -45,9 +47,9 @@
         return new FrameHandler(view, onFinishRunnable, canceled).schedule();
     }
 
-    private static class FrameHandler implements LongConsumer {
+    private static class FrameHandler implements HardwareRenderer.FrameDrawingCallback {
 
-        final ViewRootImplCompat mViewRoot;
+        final ViewRootImpl mViewRoot;
         final Runnable mFinishCallback;
         final BooleanSupplier mCancelled;
         final Handler mHandler;
@@ -55,14 +57,14 @@
         int mDeferFrameCount = 1;
 
         FrameHandler(View view, Runnable finishCallback, BooleanSupplier cancelled) {
-            mViewRoot = new ViewRootImplCompat(view);
+            mViewRoot = view.getViewRootImpl();
             mFinishCallback = finishCallback;
             mCancelled = cancelled;
             mHandler = new Handler();
         }
 
         @Override
-        public void accept(long l) {
+        public void onFrameDraw(long frame) {
             Utilities.postAsyncCallback(mHandler, this::onFrame);
         }
 
@@ -83,7 +85,7 @@
         }
 
         private boolean schedule() {
-            if (mViewRoot.isValid()) {
+            if (mViewRoot.getView() != null) {
                 mViewRoot.registerRtFrameCallback(this);
                 mViewRoot.getView().invalidate();
                 return true;
diff --git a/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java b/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java
index 0ae415d..5b4eb8b 100644
--- a/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java
+++ b/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java
@@ -16,7 +16,6 @@
 package com.android.quickstep.fallback;
 
 import static com.android.quickstep.GestureState.GestureEndTarget.RECENTS;
-import static com.android.quickstep.ViewUtils.postFrameDrawn;
 import static com.android.quickstep.fallback.RecentsState.DEFAULT;
 import static com.android.quickstep.fallback.RecentsState.HOME;
 import static com.android.quickstep.fallback.RecentsState.MODAL_TASK;
@@ -32,18 +31,19 @@
 
 import androidx.annotation.Nullable;
 
+import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.statemanager.StateManager.StateListener;
 import com.android.quickstep.FallbackActivityInterface;
 import com.android.quickstep.GestureState;
 import com.android.quickstep.RecentsActivity;
+import com.android.quickstep.util.GroupTask;
 import com.android.quickstep.util.SplitSelectStateController;
 import com.android.quickstep.util.TaskViewSimulator;
 import com.android.quickstep.views.OverviewActionsView;
 import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.TaskView;
-import com.android.quickstep.util.GroupTask;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.recents.model.Task.TaskKey;
 
@@ -74,6 +74,7 @@
     @Override
     public void startHome() {
         mActivity.startHome();
+        AbstractFloatingView.closeAllOpenViews(mActivity, mActivity.isStarted());
     }
 
     /**
@@ -208,10 +209,6 @@
 
     @Override
     public void onStateTransitionStart(RecentsState toState) {
-        if (toState == HOME) {
-            // Clean-up logic that occurs when recents is no longer in use/visible.
-            reset();
-        }
         setOverviewStateEnabled(true);
         setOverviewGridEnabled(toState.displayOverviewTasksAsGrid(mActivity.getDeviceProfile()));
         setOverviewFullscreenEnabled(toState.isFullScreen());
@@ -220,13 +217,17 @@
 
     @Override
     public void onStateTransitionComplete(RecentsState finalState) {
+        if (finalState == HOME) {
+            // Clean-up logic that occurs when recents is no longer in use/visible.
+            reset();
+        }
         boolean isOverlayEnabled = finalState == DEFAULT || finalState == MODAL_TASK;
         setOverlayEnabled(isOverlayEnabled);
         setFreezeViewVisibility(false);
 
         if (isOverlayEnabled) {
-            postFrameDrawn(this, () -> runActionOnRemoteHandles(remoteTargetHandle ->
-                    remoteTargetHandle.getTaskViewSimulator().setDrawsBelowRecents(true)));
+            runActionOnRemoteHandles(remoteTargetHandle ->
+                    remoteTargetHandle.getTaskViewSimulator().setDrawsBelowRecents(true));
         }
     }
 
diff --git a/quickstep/src/com/android/quickstep/inputconsumers/AssistantInputConsumer.java b/quickstep/src/com/android/quickstep/inputconsumers/AssistantInputConsumer.java
index 510820a..162ace4 100644
--- a/quickstep/src/com/android/quickstep/inputconsumers/AssistantInputConsumer.java
+++ b/quickstep/src/com/android/quickstep/inputconsumers/AssistantInputConsumer.java
@@ -24,6 +24,8 @@
 import static android.view.MotionEvent.ACTION_POINTER_UP;
 import static android.view.MotionEvent.ACTION_UP;
 
+import static com.android.internal.app.AssistUtils.INVOCATION_TYPE_GESTURE;
+import static com.android.internal.app.AssistUtils.INVOCATION_TYPE_KEY;
 import static com.android.launcher3.Utilities.squaredHypot;
 
 import android.animation.Animator;
@@ -64,8 +66,6 @@
     private static final String OPA_BUNDLE_TRIGGER = "triggered_by";
     // From //java/com/google/android/apps/gsa/assistant/shared/proto/opa_trigger.proto.
     private static final int OPA_BUNDLE_TRIGGER_DIAG_SWIPE_GESTURE = 83;
-    private static final String INVOCATION_TYPE_KEY = "invocation_type";
-    private static final int INVOCATION_TYPE_GESTURE = 1;
 
     private final PointF mDownPos = new PointF();
     private final PointF mLastPos = new PointF();
diff --git a/quickstep/src/com/android/quickstep/util/BaseUnfoldMoveFromCenterAnimator.java b/quickstep/src/com/android/quickstep/util/BaseUnfoldMoveFromCenterAnimator.java
new file mode 100644
index 0000000..861ff96
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/util/BaseUnfoldMoveFromCenterAnimator.java
@@ -0,0 +1,93 @@
+/*
+ * 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.quickstep.util;
+
+import android.annotation.CallSuper;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.WindowManager;
+
+import com.android.systemui.shared.animation.UnfoldMoveFromCenterAnimator;
+import com.android.systemui.unfold.UnfoldTransitionProgressProvider.TransitionProgressListener;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Animation that moves launcher icons and widgets from center to the sides (final position)
+ */
+public abstract class BaseUnfoldMoveFromCenterAnimator implements TransitionProgressListener {
+
+    private final UnfoldMoveFromCenterAnimator mMoveFromCenterAnimation;
+
+    private final Map<ViewGroup, Boolean> mOriginalClipToPadding = new HashMap<>();
+    private final Map<ViewGroup, Boolean> mOriginalClipChildren = new HashMap<>();
+
+    public BaseUnfoldMoveFromCenterAnimator(WindowManager windowManager) {
+        mMoveFromCenterAnimation = new UnfoldMoveFromCenterAnimator(windowManager,
+                new LauncherViewsMoveFromCenterTranslationApplier());
+    }
+
+    @CallSuper
+    @Override
+    public void onTransitionStarted() {
+        mMoveFromCenterAnimation.updateDisplayProperties();
+        onPrepareViewsForAnimation();
+        onTransitionProgress(0f);
+    }
+
+    @CallSuper
+    @Override
+    public void onTransitionProgress(float progress) {
+        mMoveFromCenterAnimation.onTransitionProgress(progress);
+    }
+
+    @CallSuper
+    @Override
+    public void onTransitionFinished() {
+        mMoveFromCenterAnimation.onTransitionFinished();
+        mMoveFromCenterAnimation.clearRegisteredViews();
+
+        mOriginalClipChildren.clear();
+        mOriginalClipToPadding.clear();
+    }
+
+    protected void onPrepareViewsForAnimation() {
+
+    }
+
+    protected void registerViewForAnimation(View view) {
+        mMoveFromCenterAnimation.registerViewForAnimation(view);
+    }
+
+    protected void disableClipping(ViewGroup view) {
+        mOriginalClipToPadding.put(view, view.getClipToPadding());
+        mOriginalClipChildren.put(view, view.getClipChildren());
+        view.setClipToPadding(false);
+        view.setClipChildren(false);
+    }
+
+    protected void restoreClipping(ViewGroup view) {
+        final Boolean originalClipToPadding = mOriginalClipToPadding.get(view);
+        if (originalClipToPadding != null) {
+            view.setClipToPadding(originalClipToPadding);
+        }
+        final Boolean originalClipChildren = mOriginalClipChildren.get(view);
+        if (originalClipChildren != null) {
+            view.setClipChildren(originalClipChildren);
+        }
+    }
+}
diff --git a/quickstep/src/com/android/quickstep/util/LauncherUnfoldAnimationController.java b/quickstep/src/com/android/quickstep/util/LauncherUnfoldAnimationController.java
index b39412b..6b6bd6a 100644
--- a/quickstep/src/com/android/quickstep/util/LauncherUnfoldAnimationController.java
+++ b/quickstep/src/com/android/quickstep/util/LauncherUnfoldAnimationController.java
@@ -18,14 +18,17 @@
 import static com.android.launcher3.Utilities.comp;
 
 import android.annotation.Nullable;
-import android.view.ViewTreeObserver;
 import android.view.WindowManager;
+import android.view.WindowManagerGlobal;
+
+import androidx.core.view.OneShotPreDrawListener;
 
 import com.android.launcher3.Hotseat;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.util.HorizontalInsettableView;
 import com.android.systemui.unfold.UnfoldTransitionProgressProvider;
 import com.android.systemui.unfold.UnfoldTransitionProgressProvider.TransitionProgressListener;
+import com.android.systemui.unfold.util.NaturalRotationUnfoldProgressProvider;
 import com.android.systemui.unfold.util.ScopedUnfoldTransitionProgressProvider;
 
 /**
@@ -43,6 +46,7 @@
     private HorizontalInsettableView mQsbInsettable;
 
     private final ScopedUnfoldTransitionProgressProvider mProgressProvider;
+    private final NaturalRotationUnfoldProgressProvider mNaturalOrientationProgressProvider;
 
     public LauncherUnfoldAnimationController(
             Launcher launcher,
@@ -51,10 +55,19 @@
         mLauncher = launcher;
         mProgressProvider = new ScopedUnfoldTransitionProgressProvider(
                 unfoldTransitionProgressProvider);
+        mNaturalOrientationProgressProvider = new NaturalRotationUnfoldProgressProvider(launcher,
+                WindowManagerGlobal.getWindowManagerService(), mProgressProvider);
+        mNaturalOrientationProgressProvider.init();
 
+        // Animated in all orientations
         mProgressProvider.addCallback(new UnfoldMoveFromCenterWorkspaceAnimator(launcher,
                 windowManager));
-        mProgressProvider.addCallback(new QsbAnimationListener());
+
+        // Animated only in natural orientation
+        mNaturalOrientationProgressProvider
+                .addCallback(new QsbAnimationListener());
+        mNaturalOrientationProgressProvider
+                .addCallback(new UnfoldMoveFromCenterHotseatAnimator(launcher, windowManager));
     }
 
     /**
@@ -66,17 +79,8 @@
             mQsbInsettable = (HorizontalInsettableView) hotseat.getQsb();
         }
 
-        final ViewTreeObserver obs = mLauncher.getWorkspace().getViewTreeObserver();
-        obs.addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
-            @Override
-            public boolean onPreDraw() {
-                if (obs.isAlive()) {
-                    mProgressProvider.setReadyToHandleTransition(true);
-                    obs.removeOnPreDrawListener(this);
-                }
-                return true;
-            }
-        });
+        OneShotPreDrawListener.add(mLauncher.getWorkspace(),
+                () -> mProgressProvider.setReadyToHandleTransition(true));
     }
 
     /**
@@ -92,6 +96,7 @@
      */
     public void onDestroy() {
         mProgressProvider.destroy();
+        mNaturalOrientationProgressProvider.destroy();
     }
 
     private class QsbAnimationListener implements TransitionProgressListener {
diff --git a/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java b/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
index c784d82..d310893 100644
--- a/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
+++ b/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
@@ -18,6 +18,7 @@
 
 import static com.android.launcher3.Utilities.postAsyncCallback;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
+import static com.android.launcher3.util.SplitConfigurationOptions.DEFAULT_SPLIT_RATIO;
 import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_BOTTOM_OR_RIGHT;
 import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_TOP_OR_LEFT;
 
@@ -30,7 +31,6 @@
 import android.view.SurfaceControl;
 import android.window.TransitionInfo;
 
-
 import androidx.annotation.Nullable;
 
 import com.android.launcher3.statehandlers.DepthController;
@@ -95,7 +95,7 @@
     public void setSecondTaskId(Task task, Consumer<Boolean> callback) {
         mSecondTask = task;
         launchTasks(mInitialTask, mSecondTask, mStagePosition, callback,
-                false /* freezeTaskList */);
+                false /* freezeTaskList */, DEFAULT_SPLIT_RATIO);
     }
 
     /**
@@ -107,14 +107,15 @@
         TaskView.TaskIdAttributeContainer[] taskIdAttributeContainers =
                 groupedTaskView.getTaskIdAttributeContainers();
         launchTasks(taskIdAttributeContainers[0].getTask(), taskIdAttributeContainers[1].getTask(),
-                taskIdAttributeContainers[0].getStagePosition(), callback, freezeTaskList);
+                taskIdAttributeContainers[0].getStagePosition(), callback, freezeTaskList,
+                groupedTaskView.getSplitRatio());
     }
 
     /**
      * @param stagePosition representing location of task1
      */
     public void launchTasks(Task task1, Task task2, @StagePosition int stagePosition,
-            Consumer<Boolean> callback, boolean freezeTaskList) {
+            Consumer<Boolean> callback, boolean freezeTaskList, float splitRatio) {
         // Assume initial task is for top/left part of screen
         final int[] taskIds = stagePosition == STAGE_POSITION_TOP_OR_LEFT
                 ? new int[]{task1.key.id, task2.key.id}
@@ -123,7 +124,7 @@
             RemoteSplitLaunchTransitionRunner animationRunner =
                     new RemoteSplitLaunchTransitionRunner(task1, task2);
             mSystemUiProxy.startTasks(taskIds[0], null /* mainOptions */, taskIds[1],
-                    null /* sideOptions */, STAGE_POSITION_BOTTOM_OR_RIGHT,
+                    null /* sideOptions */, STAGE_POSITION_BOTTOM_OR_RIGHT, splitRatio,
                     new RemoteTransitionCompat(animationRunner, MAIN_EXECUTOR,
                             ActivityThread.currentActivityThread().getApplicationThread()));
         } else {
@@ -140,7 +141,7 @@
             }
             mSystemUiProxy.startTasksWithLegacyTransition(taskIds[0], mainOpts.toBundle(),
                     taskIds[1], null /* sideOptions */, STAGE_POSITION_BOTTOM_OR_RIGHT,
-                    adapter);
+                    splitRatio, adapter);
         }
     }
 
diff --git a/quickstep/src/com/android/quickstep/util/SurfaceTransactionApplier.java b/quickstep/src/com/android/quickstep/util/SurfaceTransactionApplier.java
index 3b4fd31..3b1c150 100644
--- a/quickstep/src/com/android/quickstep/util/SurfaceTransactionApplier.java
+++ b/quickstep/src/com/android/quickstep/util/SurfaceTransactionApplier.java
@@ -22,10 +22,10 @@
 import android.view.SurfaceControl;
 import android.view.SurfaceControl.Transaction;
 import android.view.View;
+import android.view.ViewRootImpl;
 
 import com.android.quickstep.RemoteAnimationTargets.ReleaseCheck;
 import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams;
-import com.android.systemui.shared.system.ViewRootImplCompat;
 
 import java.util.function.Consumer;
 
@@ -41,7 +41,7 @@
     private static final int MSG_UPDATE_SEQUENCE_NUMBER = 0;
 
     private final SurfaceControl mBarrierSurfaceControl;
-    private final ViewRootImplCompat mTargetViewRootImpl;
+    private final ViewRootImpl mTargetViewRootImpl;
     private final Handler mApplyHandler;
 
     private int mLastSequenceNumber = 0;
@@ -50,8 +50,8 @@
      * @param targetView The view in the surface that acts as synchronization anchor.
      */
     public SurfaceTransactionApplier(View targetView) {
-        mTargetViewRootImpl = new ViewRootImplCompat(targetView);
-        mBarrierSurfaceControl = mTargetViewRootImpl.getRenderSurfaceControl();
+        mTargetViewRootImpl = targetView.getViewRootImpl();
+        mBarrierSurfaceControl = mTargetViewRootImpl.getSurfaceControl();
         mApplyHandler = new Handler(this::onApplyMessage);
     }
 
@@ -109,7 +109,7 @@
         if (targetView == null) {
             // No target view, no applier
             callback.accept(null);
-        } else if (new ViewRootImplCompat(targetView).isValid()) {
+        } else if (targetView.isAttachedToWindow()) {
             // Already attached, we're good to go
             callback.accept(new SurfaceTransactionApplier(targetView));
         } else {
diff --git a/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java b/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
index 7d396ba..f676091 100644
--- a/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
+++ b/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
@@ -102,7 +102,8 @@
     private StagedSplitBounds mStagedSplitBounds;
     private boolean mDrawsBelowRecents;
     private boolean mIsGridTask;
-    private float mGridTranslationY;
+    private int mTaskRectTranslationX;
+    private int mTaskRectTranslationY;
 
     public TaskViewSimulator(Context context, BaseActivityInterface sizeStrategy) {
         mContext = context;
@@ -157,15 +158,11 @@
             fullTaskSize = new Rect(mTaskRect);
             mOrientationState.getOrientationHandler()
                     .setSplitTaskSwipeRect(mDp, mTaskRect, mStagedSplitBounds, mStagePosition);
-            if (mIsGridTask) {
-                mTaskRect.offset(0, (int) mGridTranslationY);
-            }
+            mTaskRect.offset(mTaskRectTranslationX, mTaskRectTranslationY);
         } else {
             fullTaskSize = mTaskRect;
         }
-        if (mIsGridTask) {
-            fullTaskSize.offset(0, (int) mGridTranslationY);
-        }
+        fullTaskSize.offset(mTaskRectTranslationX, mTaskRectTranslationY);
         return mOrientationState.getFullScreenScaleAndPivot(fullTaskSize, mDp, mPivot);
     }
 
@@ -225,10 +222,11 @@
     }
 
     /**
-     * Sets the y-translation when overview is in grid.
+     * Apply translations on TaskRect's starting location.
      */
-    public void setGridTranslationY(float gridTranslationY) {
-        mGridTranslationY = gridTranslationY;
+    public void setTaskRectTranslation(int taskRectTranslationX, int taskRectTranslationY) {
+        mTaskRectTranslationX = taskRectTranslationX;
+        mTaskRectTranslationY = taskRectTranslationY;
     }
 
     /**
@@ -336,19 +334,19 @@
 
         // Apply TaskView matrix: taskRect, translate
         mMatrix.postTranslate(mTaskRect.left, mTaskRect.top);
-        mOrientationState.getOrientationHandler().set(mMatrix, MATRIX_POST_TRANSLATE,
+        mOrientationState.getOrientationHandler().setPrimary(mMatrix, MATRIX_POST_TRANSLATE,
                 taskPrimaryTranslation.value);
         mOrientationState.getOrientationHandler().setSecondary(mMatrix, MATRIX_POST_TRANSLATE,
                 taskSecondaryTranslation.value);
+        mOrientationState.getOrientationHandler().setPrimary(
+                mMatrix, MATRIX_POST_TRANSLATE, recentsViewScroll.value);
 
         // Apply RecentsView matrix
         mMatrix.postScale(recentsViewScale.value, recentsViewScale.value, mPivot.x, mPivot.y);
         mOrientationState.getOrientationHandler().setSecondary(mMatrix, MATRIX_POST_TRANSLATE,
                 recentsViewSecondaryTranslation.value);
-        mOrientationState.getOrientationHandler().set(mMatrix, MATRIX_POST_TRANSLATE,
+        mOrientationState.getOrientationHandler().setPrimary(mMatrix, MATRIX_POST_TRANSLATE,
                 recentsViewPrimaryTranslation.value);
-        mOrientationState.getOrientationHandler().set(
-                mMatrix, MATRIX_POST_TRANSLATE, recentsViewScroll.value);
         applyWindowToHomeRotation(mMatrix);
 
         // Crop rect is the inverse of thumbnail matrix
diff --git a/quickstep/src/com/android/quickstep/util/UnfoldMoveFromCenterHotseatAnimator.java b/quickstep/src/com/android/quickstep/util/UnfoldMoveFromCenterHotseatAnimator.java
new file mode 100644
index 0000000..dc97dd6
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/util/UnfoldMoveFromCenterHotseatAnimator.java
@@ -0,0 +1,55 @@
+/*
+ * 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.quickstep.util;
+
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.WindowManager;
+
+import com.android.launcher3.Hotseat;
+import com.android.launcher3.Launcher;
+
+/**
+ * Animation that moves hotseat icons from center to the sides (final position)
+ */
+public class UnfoldMoveFromCenterHotseatAnimator extends BaseUnfoldMoveFromCenterAnimator {
+
+    private final Launcher mLauncher;
+
+    public UnfoldMoveFromCenterHotseatAnimator(Launcher launcher, WindowManager windowManager) {
+        super(windowManager);
+        mLauncher = launcher;
+    }
+
+    @Override
+    protected void onPrepareViewsForAnimation() {
+        Hotseat hotseat = mLauncher.getHotseat();
+
+        ViewGroup hotseatIcons = hotseat.getShortcutsAndWidgets();
+        disableClipping(hotseat);
+
+        for (int i = 0; i < hotseatIcons.getChildCount(); i++) {
+            View child = hotseatIcons.getChildAt(i);
+            registerViewForAnimation(child);
+        }
+    }
+
+    @Override
+    public void onTransitionFinished() {
+        restoreClipping(mLauncher.getHotseat());
+        super.onTransitionFinished();
+    }
+}
diff --git a/quickstep/src/com/android/quickstep/util/UnfoldMoveFromCenterWorkspaceAnimator.java b/quickstep/src/com/android/quickstep/util/UnfoldMoveFromCenterWorkspaceAnimator.java
index 95403b2..3d72398 100644
--- a/quickstep/src/com/android/quickstep/util/UnfoldMoveFromCenterWorkspaceAnimator.java
+++ b/quickstep/src/com/android/quickstep/util/UnfoldMoveFromCenterWorkspaceAnimator.java
@@ -16,44 +16,28 @@
 package com.android.quickstep.util;
 
 import android.view.View;
-import android.view.ViewGroup;
 import android.view.WindowManager;
 
 import com.android.launcher3.CellLayout;
-import com.android.launcher3.Hotseat;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.ShortcutAndWidgetContainer;
 import com.android.launcher3.Workspace;
-import com.android.systemui.shared.animation.UnfoldMoveFromCenterAnimator;
-import com.android.systemui.unfold.UnfoldTransitionProgressProvider;
-
-import java.util.HashMap;
-import java.util.Map;
 
 /**
  * Animation that moves launcher icons and widgets from center to the sides (final position)
  */
-public class UnfoldMoveFromCenterWorkspaceAnimator
-        implements UnfoldTransitionProgressProvider.TransitionProgressListener {
+public class UnfoldMoveFromCenterWorkspaceAnimator extends BaseUnfoldMoveFromCenterAnimator {
 
     private final Launcher mLauncher;
-    private final UnfoldMoveFromCenterAnimator mMoveFromCenterAnimation;
-
-    private final Map<ViewGroup, Boolean> mOriginalClipToPadding = new HashMap<>();
-    private final Map<ViewGroup, Boolean> mOriginalClipChildren = new HashMap<>();
 
     public UnfoldMoveFromCenterWorkspaceAnimator(Launcher launcher, WindowManager windowManager) {
+        super(windowManager);
         mLauncher = launcher;
-        mMoveFromCenterAnimation = new UnfoldMoveFromCenterAnimator(windowManager,
-                new LauncherViewsMoveFromCenterTranslationApplier());
     }
 
     @Override
-    public void onTransitionStarted() {
-        mMoveFromCenterAnimation.updateDisplayProperties();
-
+    protected void onPrepareViewsForAnimation() {
         Workspace workspace = mLauncher.getWorkspace();
-        Hotseat hotseat = mLauncher.getHotseat();
 
         // App icons and widgets
         workspace
@@ -65,57 +49,17 @@
 
                     for (int i = 0; i < itemsContainer.getChildCount(); i++) {
                         View child = itemsContainer.getChildAt(i);
-                        mMoveFromCenterAnimation.registerViewForAnimation(child);
+                        registerViewForAnimation(child);
                     }
                 });
 
         disableClipping(workspace);
-
-        // Hotseat icons
-        ViewGroup hotseatIcons = hotseat.getShortcutsAndWidgets();
-        disableClipping(hotseat);
-
-        for (int i = 0; i < hotseatIcons.getChildCount(); i++) {
-            View child = hotseatIcons.getChildAt(i);
-            mMoveFromCenterAnimation.registerViewForAnimation(child);
-        }
-
-        onTransitionProgress(0f);
-    }
-
-    @Override
-    public void onTransitionProgress(float progress) {
-        mMoveFromCenterAnimation.onTransitionProgress(progress);
     }
 
     @Override
     public void onTransitionFinished() {
-        mMoveFromCenterAnimation.onTransitionFinished();
-        mMoveFromCenterAnimation.clearRegisteredViews();
-
         restoreClipping(mLauncher.getWorkspace());
         mLauncher.getWorkspace().forEachVisiblePage(page -> restoreClipping((CellLayout) page));
-        restoreClipping(mLauncher.getHotseat());
-
-        mOriginalClipChildren.clear();
-        mOriginalClipToPadding.clear();
-    }
-
-    private void disableClipping(ViewGroup view) {
-        mOriginalClipToPadding.put(view, view.getClipToPadding());
-        mOriginalClipChildren.put(view, view.getClipChildren());
-        view.setClipToPadding(false);
-        view.setClipChildren(false);
-    }
-
-    private void restoreClipping(ViewGroup view) {
-        final Boolean originalClipToPadding = mOriginalClipToPadding.get(view);
-        if (originalClipToPadding != null) {
-            view.setClipToPadding(originalClipToPadding);
-        }
-        final Boolean originalClipChildren = mOriginalClipChildren.get(view);
-        if (originalClipChildren != null) {
-            view.setClipChildren(originalClipChildren);
-        }
+        super.onTransitionFinished();
     }
 }
diff --git a/quickstep/src/com/android/quickstep/views/FloatingTaskView.java b/quickstep/src/com/android/quickstep/views/FloatingTaskView.java
index 325ec04..0cea45e 100644
--- a/quickstep/src/com/android/quickstep/views/FloatingTaskView.java
+++ b/quickstep/src/com/android/quickstep/views/FloatingTaskView.java
@@ -129,9 +129,7 @@
     public void update(RectF position, float progress, float windowRadius) {
         MarginLayoutParams lp = (MarginLayoutParams) getLayoutParams();
 
-        float dX = mIsRtl
-                ? position.left - (lp.getMarginStart() - lp.width)
-                : position.left - lp.getMarginStart();
+        float dX = position.left - mStartingPosition.left;
         float dY = position.top - lp.topMargin;
 
         setTranslationX(dX);
@@ -152,21 +150,25 @@
         mOrientationHandler.setSecondaryScale(mSplitPlaceholderView.getIconView(), childScaleY);
     }
 
+    public void updateOrientationHandler(PagedOrientationHandler orientationHandler) {
+        mOrientationHandler = orientationHandler;
+        mSplitPlaceholderView.getIconView().setRotation(mOrientationHandler.getDegreesRotated());
+    }
+
     protected void initPosition(RectF pos, InsettableFrameLayout.LayoutParams lp) {
         mStartingPosition.set(pos);
         lp.ignoreInsets = true;
         // Position the floating view exactly on top of the original
         lp.topMargin = Math.round(pos.top);
         if (mIsRtl) {
-            lp.setMarginStart(Math.round(mLauncher.getDeviceProfile().widthPx - pos.right));
+            lp.setMarginStart(mLauncher.getDeviceProfile().widthPx - Math.round(pos.right));
         } else {
             lp.setMarginStart(Math.round(pos.left));
         }
+
         // Set the properties here already to make sure they are available when running the first
         // animation frame.
-        int left = mIsRtl
-                ? mLauncher.getDeviceProfile().widthPx - lp.getMarginStart() - lp.width
-                : lp.leftMargin;
+        int left = (int) pos.left;
         layout(left, lp.topMargin, left + lp.width, lp.topMargin + lp.height);
     }
 
diff --git a/quickstep/src/com/android/quickstep/views/FloatingWidgetBackgroundView.java b/quickstep/src/com/android/quickstep/views/FloatingWidgetBackgroundView.java
index c3b166f..adea1a4 100644
--- a/quickstep/src/com/android/quickstep/views/FloatingWidgetBackgroundView.java
+++ b/quickstep/src/com/android/quickstep/views/FloatingWidgetBackgroundView.java
@@ -136,7 +136,7 @@
     }
 
     /** Returns the maximum corner radius of {@param drawable}. */
-    private static float getMaxRadius(Drawable drawable) {
+    private static float getMaxRadius(@Nullable Drawable drawable) {
         if (!(drawable instanceof GradientDrawable)) return 0;
         float[] cornerRadii = ((GradientDrawable) drawable).getCornerRadii();
         float cornerRadius = ((GradientDrawable) drawable).getCornerRadius();
diff --git a/quickstep/src/com/android/quickstep/views/GroupedTaskView.java b/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
index 4771d1e..b215ef1 100644
--- a/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
+++ b/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
@@ -1,5 +1,6 @@
 package com.android.quickstep.views;
 
+import static com.android.launcher3.util.SplitConfigurationOptions.DEFAULT_SPLIT_RATIO;
 import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_BOTTOM_OR_RIGHT;
 import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_TOP_OR_LEFT;
 
@@ -122,6 +123,14 @@
         invalidate();
     }
 
+    public float getSplitRatio() {
+        if (mSplitBoundsConfig != null) {
+            return mSplitBoundsConfig.appsStackedVertically
+                    ? mSplitBoundsConfig.topTaskPercent : mSplitBoundsConfig.leftTaskPercent;
+        }
+        return DEFAULT_SPLIT_RATIO;
+    }
+
     @Override
     public boolean offerTouchToChildren(MotionEvent event) {
         computeAndSetIconTouchDelegate(mIconView2, mIcon2CenterCoords, mIcon2TouchDelegate);
@@ -148,16 +157,27 @@
     @Nullable
     @Override
     public RunnableList launchTaskAnimated() {
-        getRecentsView().getSplitPlaceholder().launchTasks(this /*groupedTaskView*/,
-                null /*callback*/,
+        if (mTask == null || mSecondaryTask == null) {
+            return null;
+        }
+
+        RunnableList endCallback = new RunnableList();
+        RecentsView recentsView = getRecentsView();
+        // Callbacks run from remote animation when recents animation not currently running
+        recentsView.getSplitPlaceholder().launchTasks(this /*groupedTaskView*/,
+                success -> endCallback.executeAllAndDestroy(),
                 false /* freezeTaskList */);
-        return null;
+
+        // Callbacks get run from recentsView for case when recents animation already running
+        recentsView.addSideTaskLaunchCallback(endCallback);
+        return endCallback;
     }
 
     @Override
     public void launchTask(@NonNull Consumer<Boolean> callback, boolean freezeTaskList) {
         getRecentsView().getSplitPlaceholder().launchTasks(mTask, mSecondaryTask,
-                STAGE_POSITION_TOP_OR_LEFT, callback, freezeTaskList);
+                STAGE_POSITION_TOP_OR_LEFT, callback, freezeTaskList,
+                getSplitRatio());
     }
 
     @Override
@@ -229,7 +249,7 @@
         boolean isRtl = getLayoutDirection() == LAYOUT_DIRECTION_RTL;
 
         getPagedOrientationHandler().setSplitIconParams(mIconView, mIconView2,
-                taskIconHeight, mSnapshotView.getWidth(), mSnapshotView.getHeight(),
+                taskIconHeight, mSnapshotView.getMeasuredWidth(), mSnapshotView.getMeasuredHeight(),
                 isRtl, deviceProfile, mSplitBoundsConfig);
     }
 
@@ -238,4 +258,10 @@
         super.updateSnapshotRadius();
         mSnapshotView2.setFullscreenParams(mCurrentFullscreenParams);
     }
+
+    @Override
+    protected void setIconAndDimTransitionProgress(float progress, boolean invert) {
+        super.setIconAndDimTransitionProgress(progress, invert);
+        mIconView2.setAlpha(mIconView.getAlpha());
+    }
 }
diff --git a/quickstep/src/com/android/quickstep/views/IconView.java b/quickstep/src/com/android/quickstep/views/IconView.java
index ccb1a99..5895c05 100644
--- a/quickstep/src/com/android/quickstep/views/IconView.java
+++ b/quickstep/src/com/android/quickstep/views/IconView.java
@@ -87,6 +87,14 @@
         return mDrawable;
     }
 
+    public int getDrawableWidth() {
+        return mDrawableWidth;
+    }
+
+    public int getDrawableHeight() {
+        return mDrawableHeight;
+    }
+
     @Override
     protected void onSizeChanged(int w, int h, int oldw, int oldh) {
         super.onSizeChanged(w, h, oldw, oldh);
diff --git a/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java b/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
index 3cba392..6b7d8a5 100644
--- a/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
@@ -21,11 +21,9 @@
 import static com.android.launcher3.LauncherState.OVERVIEW_MODAL_TASK;
 import static com.android.launcher3.LauncherState.OVERVIEW_SPLIT_SELECT;
 import static com.android.launcher3.LauncherState.SPRING_LOADED;
-import static com.android.quickstep.ViewUtils.postFrameDrawn;
 
 import android.annotation.TargetApi;
 import android.content.Context;
-import android.content.res.Configuration;
 import android.os.Build;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
@@ -33,6 +31,7 @@
 
 import androidx.annotation.Nullable;
 
+import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.BaseQuickstepLauncher;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.statehandlers.DepthController;
@@ -71,6 +70,7 @@
     @Override
     public void startHome() {
         mActivity.getStateManager().goToState(NORMAL);
+        AbstractFloatingView.closeAllOpenViews(mActivity, mActivity.isStarted());
     }
 
     @Override
@@ -93,10 +93,6 @@
 
     @Override
     public void onStateTransitionStart(LauncherState toState) {
-        if (toState == NORMAL || toState == SPRING_LOADED) {
-            // Clean-up logic that occurs when recents is no longer in use/visible.
-            reset();
-        }
         setOverviewStateEnabled(toState.overviewUi);
         setOverviewGridEnabled(toState.displayOverviewTasksAsGrid(mActivity.getDeviceProfile()));
         setOverviewFullscreenEnabled(toState.getOverviewFullscreenProgress() == 1);
@@ -105,13 +101,17 @@
 
     @Override
     public void onStateTransitionComplete(LauncherState finalState) {
+        if (finalState == NORMAL || finalState == SPRING_LOADED) {
+            // Clean-up logic that occurs when recents is no longer in use/visible.
+            reset();
+        }
         boolean isOverlayEnabled = finalState == OVERVIEW || finalState == OVERVIEW_MODAL_TASK;
         setOverlayEnabled(isOverlayEnabled);
         setFreezeViewVisibility(false);
 
         if (isOverlayEnabled) {
-            postFrameDrawn(this, () -> runActionOnRemoteHandles(remoteTargetHandle ->
-                    remoteTargetHandle.getTaskViewSimulator().setDrawsBelowRecents(true)));
+            runActionOnRemoteHandles(remoteTargetHandle ->
+                    remoteTargetHandle.getTaskViewSimulator().setDrawsBelowRecents(true));
         }
     }
 
@@ -170,10 +170,13 @@
     }
 
     @Override
-    protected void onConfigurationChanged(Configuration newConfig) {
-        super.onConfigurationChanged(newConfig);
+    protected void onOrientationChanged() {
+        super.onOrientationChanged();
         // If overview is in modal state when rotate, reset it to overview state without running
         // animation.
         setModalStateEnabled(false);
+        if (mActivity.isInState(OVERVIEW_SPLIT_SELECT)) {
+            onRotateInSplitSelectionState();
+        }
     }
 }
diff --git a/quickstep/src/com/android/quickstep/views/OverviewActionsView.java b/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
index b6bf59f..0294828 100644
--- a/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
+++ b/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
@@ -22,7 +22,10 @@
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.widget.Button;
 import android.widget.FrameLayout;
+import android.widget.LinearLayout;
 
 import androidx.annotation.IntDef;
 import androidx.annotation.Nullable;
@@ -80,7 +83,7 @@
     private static final int INDEX_HIDDEN_FLAGS_ALPHA = 3;
 
     private final MultiValueAlpha mMultiValueAlpha;
-    private View mSplitButton;
+    private Button mSplitButton;
 
     @ActionsHiddenFlags
     private int mHiddenFlags;
@@ -214,7 +217,18 @@
     public void setDp(DeviceProfile dp) {
         mDp = dp;
         updateVerticalMargin(SysUINavigationMode.getMode(getContext()));
+
+        LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
+                dp.isVerticalBarLayout() ? 0 : dp.overviewActionsButtonSpacing,
+                ViewGroup.LayoutParams.MATCH_PARENT);
+        params.weight = dp.isVerticalBarLayout() ? 1 : 0;
+        findViewById(R.id.action_split_space).setLayoutParams(params);
+
         requestLayout();
+
+        mSplitButton.setCompoundDrawablesWithIntrinsicBounds(
+                (dp.isLandscape ? R.drawable.ic_split_horizontal : R.drawable.ic_split_vertical),
+                0, 0, 0);
     }
 
     public void setSplitButtonVisible(boolean visible) {
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index 017a3b8..ed238d8 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -91,6 +91,7 @@
 import android.util.AttributeSet;
 import android.util.FloatProperty;
 import android.util.Log;
+import android.util.Pair;
 import android.util.SparseBooleanArray;
 import android.view.HapticFeedbackConstants;
 import android.view.KeyEvent;
@@ -107,6 +108,7 @@
 import android.widget.OverScroller;
 import android.widget.Toast;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.annotation.UiThread;
 import androidx.core.graphics.ColorUtils;
@@ -181,6 +183,7 @@
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
+import java.util.Objects;
 import java.util.function.Consumer;
 
 /**
@@ -627,7 +630,7 @@
      * this doesn't get adjusted to reflect the new child count after the taskView is dismissed/
      * removed from recentsView
      */
-    private int mSplitHiddenTaskViewIndex;
+    private int mSplitHiddenTaskViewIndex = -1;
     @Nullable
     private FloatingTaskView mFirstFloatingTaskView;
     @Nullable
@@ -747,7 +750,7 @@
 
             int primarySize = mOrientationHandler.getPrimaryValue(getWidth(), getHeight());
             int scroll = OverScroll.dampedScroll(getUndampedOverScrollShift(), primarySize);
-            mOrientationHandler.set(canvas, CANVAS_TRANSLATE, scroll);
+            mOrientationHandler.setPrimary(canvas, CANVAS_TRANSLATE, scroll);
 
             if (mOverScrollShift != scroll) {
                 mOverScrollShift = scroll;
@@ -822,7 +825,7 @@
     @Override
     public void onTaskIconChanged(String pkg, UserHandle user) {
         for (int i = 0; i < getTaskViewCount(); i++) {
-            TaskView tv = getTaskViewAt(i);
+            TaskView tv = requireTaskViewAt(i);
             Task task = tv.getTask();
             if (task != null && task.key != null && pkg.equals(task.key.getPackageName())
                     && task.key.userId == user.getIdentifier()) {
@@ -1039,6 +1042,17 @@
         }
     }
 
+    public boolean isTaskViewFullyVisible(TaskView tv) {
+        if (showAsGrid()) {
+            int screenStart = mOrientationHandler.getPrimaryScroll(this);
+            int screenEnd = screenStart + mOrientationHandler.getMeasuredSize(this);
+            return isTaskViewFullyWithinBounds(tv, screenStart, screenEnd);
+        } else {
+            // For now, just check if it's the active task
+            return indexOfChild(tv) == getNextPage();
+        }
+    }
+
     @Nullable
     private TaskView getLastGridTaskView() {
         return getLastGridTaskView(getTopRowIdArray(), getBottomRowIdArray());
@@ -1085,6 +1099,15 @@
                 && taskEnd <= end);
     }
 
+    private boolean isTaskViewFullyWithinBounds(TaskView tv, int start, int end) {
+        int taskStart = mOrientationHandler.getChildStart(tv) + (int) tv.getOffsetAdjustment(
+                showAsFullscreen(), showAsGrid());
+        int taskSize = (int) (mOrientationHandler.getMeasuredSize(tv) * tv.getSizeAdjustment(
+                showAsFullscreen()));
+        int taskEnd = taskStart + taskSize;
+        return taskStart >= start && taskEnd <= end;
+    }
+
     /**
      * Returns true if the task is in expected scroll position.
      *
@@ -1104,7 +1127,7 @@
         }
 
         for (int i = 0; i < getTaskViewCount(); i++) {
-            TaskView taskView = getTaskViewAt(i);
+            TaskView taskView = requireTaskViewAt(i);
             int[] taskIds = taskView.getTaskIds();
             if (taskIds[0] == taskId || taskIds[1] == taskId) {
                 return taskView;
@@ -1121,9 +1144,6 @@
             // Reset the running task when leaving overview since it can still have a reference to
             // its thumbnail
             mTmpRunningTasks = null;
-            if (mSplitSelectStateController.isSplitSelectActive()) {
-                cancelSplitSelect(false);
-            }
             // Remove grouped tasks and recycle once we exit overview
             int taskCount = getTaskViewCount();
             for (int i = 0; i < taskCount; i++) {
@@ -1181,7 +1201,7 @@
         if (showAsGrid()) {
             int taskCount = getTaskViewCount();
             for (int i = 0; i < taskCount; i++) {
-                TaskView taskView = getTaskViewAt(i);
+                TaskView taskView = requireTaskViewAt(i);
                 if (isTaskViewVisible(taskView) && taskView.offerTouchToChildren(ev)) {
                     // Keep consuming events to pass to delegate
                     return true;
@@ -1418,7 +1438,7 @@
             if (runningTaskId != -1) {
                 targetPage = indexOfChild(newRunningTaskView);
             } else if (getTaskViewCount() > 0) {
-                targetPage = indexOfChild(getTaskViewAt(0));
+                targetPage = indexOfChild(requireTaskViewAt(0));
             }
         } else if (currentTaskId != -1) {
             currentTaskView = getTaskViewByTaskId(currentTaskId);
@@ -1452,7 +1472,7 @@
 
     private void removeTasksViewsAndClearAllButton() {
         for (int i = getTaskViewCount() - 1; i >= 0; i--) {
-            removeView(getTaskViewAt(i));
+            removeView(requireTaskViewAt(i));
         }
         if (indexOfChild(mClearAllButton) != -1) {
             removeView(mClearAllButton);
@@ -1498,7 +1518,7 @@
 
     public void resetTaskVisuals() {
         for (int i = getTaskViewCount() - 1; i >= 0; i--) {
-            TaskView taskView = getTaskViewAt(i);
+            TaskView taskView = requireTaskViewAt(i);
             if (mIgnoreResetTaskId != taskView.getTaskIds()[0]) {
                 taskView.resetViewTransforms();
                 taskView.setIconScaleAndDim(mTaskIconScaledDown ? 0 : 1);
@@ -1508,6 +1528,16 @@
             }
         }
         if (ENABLE_QUICKSTEP_LIVE_TILE.get()) {
+            // resetTaskVisuals is called at the end of dismiss animation which could update
+            // primary and secondary translation of the live tile cut out. We will need to do so
+            // here accordingly.
+            runActionOnRemoteHandles(remoteTargetHandle -> {
+                TaskViewSimulator simulator = remoteTargetHandle.getTaskViewSimulator();
+                simulator.taskPrimaryTranslation.value = 0;
+                simulator.taskSecondaryTranslation.value = 0;
+                simulator.fullScreenProgress.value = 0;
+                simulator.recentsViewScale.value = 1;
+            });
             // Similar to setRunningTaskHidden below, reapply the state before runningTaskView is
             // null.
             if (!mRunningTaskShowScreenshot) {
@@ -1529,7 +1559,7 @@
         mFullscreenProgress = fullscreenProgress;
         int taskCount = getTaskViewCount();
         for (int i = 0; i < taskCount; i++) {
-            getTaskViewAt(i).setFullscreenProgress(mFullscreenProgress);
+            requireTaskViewAt(i).setFullscreenProgress(mFullscreenProgress);
         }
         mClearAllButton.setFullscreenProgress(fullscreenProgress);
 
@@ -1591,7 +1621,7 @@
                 || !mOrientationHandler.equals(oldOrientationHandler)) {
             // Changed orientations, update controllers so they intercept accordingly.
             mActivity.getDragLayer().recreateControllers();
-            setModalStateEnabled(false);
+            onOrientationChanged();
         }
 
         boolean isInLandscape = mOrientationState.getTouchRotation() != ROTATION_0
@@ -1610,6 +1640,9 @@
         setCurrentPage(mCurrentPage);
     }
 
+    protected void onOrientationChanged() {
+    }
+
     // Update task size and padding that are dependent on DeviceProfile and insets.
     private void updateSizeAndPadding() {
         DeviceProfile dp = mActivity.getDeviceProfile();
@@ -1656,7 +1689,7 @@
 
         float accumulatedTranslationX = 0;
         for (int i = 0; i < taskCount; i++) {
-            TaskView taskView = getTaskViewAt(i);
+            TaskView taskView = requireTaskViewAt(i);
             taskView.updateTaskSize();
             taskView.getPrimaryNonGridTranslationProperty().set(taskView, accumulatedTranslationX);
             taskView.getSecondaryNonGridTranslationProperty().set(taskView, 0f);
@@ -1802,7 +1835,7 @@
 
         // Update the task data for the in/visible children
         for (int i = 0; i < getTaskViewCount(); i++) {
-            TaskView taskView = getTaskViewAt(i);
+            TaskView taskView = requireTaskViewAt(i);
             Task task = taskView.getTask();
             int index = indexOfChild(taskView);
             boolean visible;
@@ -1945,7 +1978,7 @@
         }
 
         for (int i = 0; i < getTaskViewCount(); i++) {
-            TaskView taskView = getTaskViewAt(i);
+            TaskView taskView = requireTaskViewAt(i);
             if (taskView.getTaskViewId() == taskViewId) {
                 return taskView;
             }
@@ -2043,7 +2076,7 @@
         int runningIndex = getCurrentPage();
         AnimatorSet as = new AnimatorSet();
         for (int i = 0; i < getTaskViewCount(); i++) {
-            View taskView = getTaskViewAt(i);
+            View taskView = requireTaskViewAt(i);
             if (runningIndex == i && taskView.getAlpha() != 0) {
                 continue;
             }
@@ -2054,7 +2087,7 @@
 
     private void updateChildTaskOrientations() {
         for (int i = 0; i < getTaskViewCount(); i++) {
-            getTaskViewAt(i).setOrientationState(mOrientationState);
+            requireTaskViewAt(i).setOrientationState(mOrientationState);
         }
         TaskMenuView tv = (TaskMenuView) getTopOpenViewWithType(mActivity, TYPE_TASK_MENU);
         if (tv != null) {
@@ -2259,7 +2292,7 @@
             mTaskIconScaledDown = isScaledDown;
             int taskCount = getTaskViewCount();
             for (int i = 0; i < taskCount; i++) {
-                getTaskViewAt(i).setIconScaleAndDim(mTaskIconScaledDown ? 0 : 1);
+                requireTaskViewAt(i).setIconScaleAndDim(mTaskIconScaledDown ? 0 : 1);
             }
         }
     }
@@ -2275,7 +2308,7 @@
         mTaskIconScaledDown = false;
         int taskCount = getTaskViewCount();
         for (int i = 0; i < taskCount; i++) {
-            TaskView taskView = getTaskViewAt(i);
+            TaskView taskView = requireTaskViewAt(i);
             taskView.setIconScaleAnimStartProgress(0f);
             taskView.animateIconScaleAndDimIntoView();
         }
@@ -2347,7 +2380,7 @@
             mTopRowIdSet.clear();
         }
         for (int i = 0; i < taskCount; i++) {
-            TaskView taskView = getTaskViewAt(i);
+            TaskView taskView = requireTaskViewAt(i);
             int taskWidthAndSpacing = taskView.getLayoutParams().width + mPageSpacing;
             // Evenly distribute tasks between rows unless rearranging due to task dismissal, in
             // which case keep tasks in their respective rows. For the running task, don't join
@@ -2412,7 +2445,7 @@
                         if (j == focusedTaskIndex) {
                             continue;
                         }
-                        widthOffset += getTaskViewAt(j).getLayoutParams().width + mPageSpacing;
+                        widthOffset += requireTaskViewAt(j).getLayoutParams().width + mPageSpacing;
                     }
 
                     float currentTaskTranslationX = mIsRtl ? widthOffset : -widthOffset;
@@ -2431,7 +2464,7 @@
                         if (j == focusedTaskIndex) {
                             continue;
                         }
-                        widthOffset += getTaskViewAt(j).getLayoutParams().width + mPageSpacing;
+                        widthOffset += requireTaskViewAt(j).getLayoutParams().width + mPageSpacing;
                     }
 
                     float currentTaskTranslationX = mIsRtl ? widthOffset : -widthOffset;
@@ -2509,7 +2542,7 @@
         }
 
         for (int i = 0; i < taskCount; i++) {
-            TaskView taskView = getTaskViewAt(i);
+            TaskView taskView = requireTaskViewAt(i);
             taskView.setGridTranslationX(gridTranslations[i] - snappedTaskGridTranslationX
                     + snappedTaskNonGridScrollAdjustment);
         }
@@ -2550,7 +2583,7 @@
         mGridProgress = gridProgress;
 
         for (int i = 0; i < taskCount; i++) {
-            getTaskViewAt(i).setGridProgress(gridProgress);
+            requireTaskViewAt(i).setGridProgress(gridProgress);
         }
         mClearAllButton.setGridProgress(gridProgress);
     }
@@ -2612,10 +2645,8 @@
                         clampToProgress(FINAL_FRAME, 0, 0.5f));
             });
         }
-        boolean isTaskInBottomGridRow = showAsGrid() && !mTopRowIdSet.contains(
-                taskView.getTaskViewId()) && taskView.getTaskViewId() != mFocusedTaskViewId;
         anim.setFloat(taskView, VIEW_ALPHA, 0,
-                clampToProgress(isTaskInBottomGridRow ? ACCEL : FINAL_FRAME, 0, 0.5f));
+                clampToProgress(isOnGridBottomRow(taskView) ? ACCEL : FINAL_FRAME, 0, 0.5f));
         FloatProperty<TaskView> secondaryViewTranslate =
                 taskView.getSecondaryDissmissTranslationProperty();
         int secondaryTaskDimension = mOrientationHandler.getSecondaryDimension(taskView);
@@ -2715,7 +2746,7 @@
                         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);
+                    TaskView taskView = requireTaskViewAt(i);
                     if (taskView == dismissedTaskView) {
                         continue;
                     }
@@ -2818,7 +2849,7 @@
                                 + (taskCount - 1) * halfAdditionalDismissTranslationOffset,
                         END_DISMISS_TRANSLATION_INTERPOLATION_OFFSET, 1);
                 for (int i = 0; i < taskCount; i++) {
-                    TaskView taskView = getTaskViewAt(i);
+                    TaskView taskView = requireTaskViewAt(i);
                     anim.setFloat(taskView, TaskView.GRID_END_TRANSLATION_X, longGridRowWidthDiff,
                             clampToProgress(LINEAR, dismissTranslationInterpolationEnd, 1));
                     dismissTranslationInterpolationEnd = Utilities.boundToRange(
@@ -3120,14 +3151,10 @@
                         }
                     } else {
                         // Update focus task and its size.
-                        if (finalIsFocusedTaskDismissed) {
-                            if (finalNextFocusedTaskView != null) {
-                                mFocusedTaskViewId = finalNextFocusedTaskView.getTaskViewId();
-                                mTopRowIdSet.remove(mFocusedTaskViewId);
-                                finalNextFocusedTaskView.animateIconScaleAndDimIntoView();
-                            } else {
-                                mFocusedTaskViewId = -1;
-                            }
+                        if (finalIsFocusedTaskDismissed && finalNextFocusedTaskView != null) {
+                            mFocusedTaskViewId = finalNextFocusedTaskView.getTaskViewId();
+                            mTopRowIdSet.remove(mFocusedTaskViewId);
+                            finalNextFocusedTaskView.animateIconScaleAndDimIntoView();
                         }
                         updateTaskSize(/*isTaskDismissal=*/ true);
                         updateChildTaskOrientations();
@@ -3138,7 +3165,7 @@
                             // Rebalance tasks in the grid
                             int highestVisibleTaskIndex = getHighestVisibleTaskIndex();
                             if (highestVisibleTaskIndex < Integer.MAX_VALUE) {
-                                TaskView taskView = getTaskViewAt(highestVisibleTaskIndex);
+                                TaskView taskView = requireTaskViewAt(highestVisibleTaskIndex);
 
                                 boolean shouldRebalance;
                                 int screenStart = mOrientationHandler.getPrimaryScroll(
@@ -3191,6 +3218,7 @@
                                 }
                             }
                         }
+                        pageBeginTransition();
                         setCurrentPage(pageToSnapTo);
                         // Update various scroll-dependent UI.
                         dispatchScrollChanged();
@@ -3235,7 +3263,7 @@
         IntArray topArray = new IntArray(mTopRowIdSet.size());
         int taskViewCount = getTaskViewCount();
         for (int i = 0; i < taskViewCount; i++) {
-            int taskViewId = getTaskViewAt(i).getTaskViewId();
+            int taskViewId = requireTaskViewAt(i).getTaskViewId();
             if (mTopRowIdSet.contains(taskViewId)) {
                 topArray.add(taskViewId);
             }
@@ -3254,7 +3282,7 @@
         IntArray bottomArray = new IntArray(bottomRowIdArraySize);
         int taskViewCount = getTaskViewCount();
         for (int i = 0; i < taskViewCount; i++) {
-            int taskViewId = getTaskViewAt(i).getTaskViewId();
+            int taskViewId = requireTaskViewAt(i).getTaskViewId();
             if (!mTopRowIdSet.contains(taskViewId) && taskViewId != mFocusedTaskViewId) {
                 bottomArray.add(taskViewId);
             }
@@ -3309,7 +3337,7 @@
      * {@link #mFirstFloatingTaskView}.
      */
     public boolean shouldShiftThumbnailsForSplitSelect() {
-        return !mActivity.getDeviceProfile().isTablet;
+        return !mActivity.getDeviceProfile().isTablet || !mActivity.getDeviceProfile().isLandscape;
     }
 
     protected void onDismissAnimationEnds() {
@@ -3324,7 +3352,7 @@
 
         int count = getTaskViewCount();
         for (int i = 0; i < count; i++) {
-            addDismissedTaskAnimations(getTaskViewAt(i), duration, anim);
+            addDismissedTaskAnimations(requireTaskViewAt(i), duration, anim);
         }
 
         mPendingAnimation = anim;
@@ -3447,7 +3475,7 @@
         mContentAlpha = alpha;
         int runningTaskId = getTaskIdsForRunningTaskView()[0];
         for (int i = getTaskViewCount() - 1; i >= 0; i--) {
-            TaskView child = getTaskViewAt(i);
+            TaskView child = requireTaskViewAt(i);
             int[] childTaskIds = child.getTaskIds();
             if (!mRunningTaskTileHidden ||
                     (childTaskIds[0] != runningTaskId && childTaskIds[1] != runningTaskId)) {
@@ -3495,6 +3523,7 @@
     protected void onConfigurationChanged(Configuration newConfig) {
         super.onConfigurationChanged(newConfig);
         updateRecentsRotation();
+        onOrientationChanged();
     }
 
     /**
@@ -3548,6 +3577,14 @@
         return child instanceof TaskView ? (TaskView) child : null;
     }
 
+    /**
+     * A version of {@link #getTaskViewAt} when the caller is sure about the input index.
+     */
+    @NonNull
+    private TaskView requireTaskViewAt(int index) {
+        return Objects.requireNonNull(getTaskViewAt(index));
+    }
+
     public void setOnEmptyMessageUpdatedListener(OnEmptyMessageUpdatedListener listener) {
         mOnEmptyMessageUpdatedListener = listener;
     }
@@ -3764,7 +3801,7 @@
     protected void setTaskViewsResistanceTranslation(float translation) {
         mTaskViewsSecondaryTranslation = translation;
         for (int i = 0; i < getTaskViewCount(); i++) {
-            TaskView task = getTaskViewAt(i);
+            TaskView task = requireTaskViewAt(i);
             task.getTaskResistanceTranslationProperty().set(task, translation / getScaleY());
         }
         runActionOnRemoteHandles(
@@ -3774,14 +3811,14 @@
 
     private void updateTaskViewsSnapshotRadius() {
         for (int i = 0; i < getTaskViewCount(); i++) {
-            getTaskViewAt(i).updateSnapshotRadius();
+            requireTaskViewAt(i).updateSnapshotRadius();
         }
     }
 
     protected void setTaskViewsPrimarySplitTranslation(float translation) {
         mTaskViewsPrimarySplitTranslation = translation;
         for (int i = 0; i < getTaskViewCount(); i++) {
-            TaskView task = getTaskViewAt(i);
+            TaskView task = requireTaskViewAt(i);
             task.getPrimarySplitTranslationProperty().set(task, translation);
         }
     }
@@ -3789,7 +3826,7 @@
     protected void setTaskViewsSecondarySplitTranslation(float translation) {
         mTaskViewsSecondarySplitTranslation = translation;
         for (int i = 0; i < getTaskViewCount(); i++) {
-            TaskView taskView = getTaskViewAt(i);
+            TaskView taskView = requireTaskViewAt(i);
             if (taskView == mSplitHiddenTaskView) {
                 continue;
             }
@@ -3801,13 +3838,18 @@
      * Apply scroll offset to children of RecentsView when entering split select.
      */
     public void applySplitPrimaryScrollOffset() {
+        float taskSplitScrollOffsetPrimary = 0f;
+        float clearAllSplitScrollOffsetPrimar = 0f;
         if (isSplitPlaceholderFirstInGrid()) {
-            for (int i = 0; i < getTaskViewCount(); i++) {
-                getTaskViewAt(i).setSplitScrollOffsetPrimary(mSplitPlaceholderSize);
-            }
+            taskSplitScrollOffsetPrimary = mSplitPlaceholderSize;
         } else if (isSplitPlaceholderLastInGrid()) {
-            mClearAllButton.setSplitSelectScrollOffsetPrimary(-mSplitPlaceholderSize);
+            clearAllSplitScrollOffsetPrimar = -mSplitPlaceholderSize;
         }
+
+        for (int i = 0; i < getTaskViewCount(); i++) {
+            requireTaskViewAt(i).setSplitScrollOffsetPrimary(taskSplitScrollOffsetPrimary);
+        }
+        mClearAllButton.setSplitSelectScrollOffsetPrimary(clearAllSplitScrollOffsetPrimar);
     }
 
     /**
@@ -3845,7 +3887,7 @@
      */
     public void resetSplitPrimaryScrollOffset() {
         for (int i = 0; i < getTaskViewCount(); i++) {
-            getTaskViewAt(i).setSplitScrollOffsetPrimary(0);
+            requireTaskViewAt(i).setSplitScrollOffsetPrimary(0);
         }
         mClearAllButton.setSplitSelectScrollOffsetPrimary(0);
     }
@@ -3925,111 +3967,12 @@
         pendingAnimation.buildAnim().start();
     }
 
-    public PendingAnimation cancelSplitSelect(boolean animate) {
-        SplitSelectStateController splitController = mSplitSelectStateController;
-        @StagePosition int stagePosition = splitController.getActiveSplitStagePosition();
-        Rect initialBounds = splitController.getInitialBounds();
-        splitController.resetState();
-        int duration = mActivity.getStateManager().getState().getTransitionDuration(getContext());
-        PendingAnimation pendingAnim = new PendingAnimation(duration);
-        mSplitToast.cancel();
-        mSplitUnsupportedToast.cancel();
-        if (!animate) {
-            resetFromSplitSelectionState();
-            return pendingAnim;
-        }
-
-        addViewInLayout(mSplitHiddenTaskView, mSplitHiddenTaskViewIndex,
-                mSplitHiddenTaskView.getLayoutParams());
-        mSplitHiddenTaskView.setAlpha(0);
-        int[] oldScroll = new int[getChildCount()];
-        getPageScrolls(oldScroll, false,
-                view -> view.getVisibility() != GONE && view != mSplitHiddenTaskView);
-
-        int[] newScroll = new int[getChildCount()];
-        getPageScrolls(newScroll, false, SIMPLE_SCROLL_LOGIC);
-
-        boolean needsCurveUpdates = false;
-        for (int i = mSplitHiddenTaskViewIndex; i >= 0; i--) {
-            View child = getChildAt(i);
-            if (child == mSplitHiddenTaskView) {
-                TaskView taskView = (TaskView) child;
-
-                int dir = mOrientationHandler.getSplitTaskViewDismissDirection(stagePosition,
-                        mActivity.getDeviceProfile());
-                FloatProperty<TaskView> dismissingTaskViewTranslate;
-                Rect hiddenBounds = new Rect(taskView.getLeft(), taskView.getTop(),
-                        taskView.getRight(), taskView.getBottom());
-                int distanceDelta = 0;
-                if (dir == PagedOrientationHandler.SPLIT_TRANSLATE_SECONDARY_NEGATIVE) {
-                    dismissingTaskViewTranslate = taskView
-                            .getSecondaryDissmissTranslationProperty();
-                    distanceDelta = initialBounds.top - hiddenBounds.top;
-                    taskView.layout(initialBounds.left, hiddenBounds.top, initialBounds.right,
-                            hiddenBounds.bottom);
-                } else {
-                    dismissingTaskViewTranslate = taskView
-                            .getPrimaryDismissTranslationProperty();
-                    distanceDelta = initialBounds.left - hiddenBounds.left;
-                    taskView.layout(hiddenBounds.left, initialBounds.top, hiddenBounds.right,
-                            initialBounds.bottom);
-                    if (dir == PagedOrientationHandler.SPLIT_TRANSLATE_PRIMARY_POSITIVE) {
-                        distanceDelta *= -1;
-                    }
-                }
-                pendingAnim.add(ObjectAnimator.ofFloat(mSplitHiddenTaskView,
-                        dismissingTaskViewTranslate,
-                        distanceDelta));
-                pendingAnim.add(ObjectAnimator.ofFloat(mSplitHiddenTaskView, ALPHA, 1));
-            } else {
-                // If insertion is on last index (furthest from clear all), we directly add the view
-                // else we translate all views to the right of insertion index further right,
-                // ignore views to left
-                if (showAsGrid()) {
-                    // TODO(b/186800707) handle more elegantly for grid
-                    continue;
-                }
-                int scrollDiff = newScroll[i] - oldScroll[i];
-                if (scrollDiff != 0) {
-                    FloatProperty translationProperty = child instanceof TaskView
-                            ? ((TaskView) child).getPrimaryDismissTranslationProperty()
-                            : mOrientationHandler.getPrimaryViewTranslate();
-
-                    ResourceProvider rp = DynamicResource.provider(mActivity);
-                    SpringProperty sp = new SpringProperty(SpringProperty.FLAG_CAN_SPRING_ON_END)
-                            .setDampingRatio(
-                                    rp.getFloat(R.dimen.dismiss_task_trans_x_damping_ratio))
-                            .setStiffness(rp.getFloat(R.dimen.dismiss_task_trans_x_stiffness));
-                    pendingAnim.add(ObjectAnimator.ofFloat(child, translationProperty, scrollDiff)
-                            .setDuration(duration), ACCEL, sp);
-                    needsCurveUpdates = true;
-                }
-            }
-        }
-
-        if (needsCurveUpdates) {
-            pendingAnim.addOnFrameCallback(this::updateCurveProperties);
-        }
-
-        pendingAnim.addListener(new AnimatorListenerAdapter() {
-            @Override
-            public void onAnimationEnd(Animator animation) {
-                // TODO(b/186800707) Figure out how to undo for grid view
-                //  Need to handle cases where dismissed task is
-                //  * Top Row
-                //  * Bottom Row
-                //  * Focused Task
-                updateGridProperties();
-                resetFromSplitSelectionState();
-            }
-        });
-
-        return pendingAnim;
-    }
-
     /** TODO(b/181707736) More gracefully handle exiting split selection state */
     private void resetFromSplitSelectionState() {
-        if (!showAsGrid()) {
+        if (mSplitHiddenTaskViewIndex == -1) {
+            return;
+        }
+        if (!mActivity.getDeviceProfile().overviewShowAsGrid) {
             int pageToSnapTo = mCurrentPage;
             if (mSplitHiddenTaskViewIndex <= pageToSnapTo) {
                 pageToSnapTo += 1;
@@ -4042,7 +3985,6 @@
         resetTaskVisuals();
         mSplitHiddenTaskViewIndex = -1;
         if (mSplitHiddenTaskView != null) {
-            mSplitHiddenTaskView.setTranslationY(0);
             mSplitHiddenTaskView.setVisibility(VISIBLE);
             mSplitHiddenTaskView = null;
         }
@@ -4058,6 +4000,41 @@
         }
     }
 
+    /**
+     * Returns how much additional translation there should be for each of the child TaskViews.
+     * Note that the translation can be its primary or secondary dimension.
+     */
+    public float getSplitSelectTranslation() {
+        int splitPosition = getSplitPlaceholder().getActiveSplitStagePosition();
+        if (!shouldShiftThumbnailsForSplitSelect()) {
+            return 0f;
+        }
+        PagedOrientationHandler orientationHandler = getPagedOrientationHandler();
+        int direction = orientationHandler.getSplitTranslationDirectionFactor(
+                splitPosition, mActivity.getDeviceProfile());
+        return mActivity.getResources().getDimension(R.dimen.split_placeholder_size) * direction;
+    }
+
+    protected void onRotateInSplitSelectionState() {
+        mOrientationHandler.getInitialSplitPlaceholderBounds(mSplitPlaceholderSize,
+                mActivity.getDeviceProfile(),
+                mSplitSelectStateController.getActiveSplitStagePosition(), mTempRect);
+        mTempRectF.set(mTempRect);
+        // TODO(194414938) set correct corner radius
+        mFirstFloatingTaskView.updateOrientationHandler(mOrientationHandler);
+        mFirstFloatingTaskView.update(mTempRectF, /*progress=*/1f, /*windowRadius=*/0f);
+
+        PagedOrientationHandler orientationHandler = getPagedOrientationHandler();
+        Pair<FloatProperty, FloatProperty> taskViewsFloat =
+                orientationHandler.getSplitSelectTaskOffset(
+                        TASK_PRIMARY_SPLIT_TRANSLATION, TASK_SECONDARY_SPLIT_TRANSLATION,
+                        mActivity.getDeviceProfile());
+        taskViewsFloat.first.set(this, getSplitSelectTranslation());
+        taskViewsFloat.second.set(this, 0f);
+
+        applySplitPrimaryScrollOffset();
+    }
+
     private void updateDeadZoneRects() {
         // Get the deadzone rect surrounding the clear all button to not dismiss overview to home
         mClearAllButtonDeadZoneRect.setEmpty();
@@ -4072,8 +4049,8 @@
         mTaskViewDeadZoneRect.setEmpty();
         int count = getTaskViewCount();
         if (count > 0) {
-            final View taskView = getTaskViewAt(0);
-            getTaskViewAt(count - 1).getHitRect(mTaskViewDeadZoneRect);
+            final View taskView = requireTaskViewAt(0);
+            requireTaskViewAt(count - 1).getHitRect(mTaskViewDeadZoneRect);
             mTaskViewDeadZoneRect.union(taskView.getLeft(), taskView.getTop(), taskView.getRight(),
                     taskView.getBottom());
         }
@@ -4503,9 +4480,8 @@
     }
 
     private int getFirstViewIndex() {
-        return mShowAsGridLastOnLayout && mFocusedTaskViewId != -1
-                ? indexOfChild(getFocusedTaskView())
-                : 0;
+        TaskView focusedTaskView = mShowAsGridLastOnLayout ? getFocusedTaskView() : null;
+        return focusedTaskView != null ? indexOfChild(focusedTaskView) : 0;
     }
 
     private int getLastViewIndex() {
@@ -4555,7 +4531,7 @@
 
         final int taskCount = getTaskViewCount();
         for (int i = 0; i < taskCount; i++) {
-            TaskView taskView = getTaskViewAt(i);
+            TaskView taskView = requireTaskViewAt(i);
             float scrollDiff = taskView.getScrollAdjustment(showAsFullscreen, showAsGrid);
             int pageScroll = newPageScrolls[i] + (int) scrollDiff;
             if ((mIsRtl && pageScroll < clearAllScroll + clearAllWidth)
@@ -4681,6 +4657,15 @@
         return position != -1 ? position : bottomRowIdArray.indexOf(taskView.getTaskViewId());
     }
 
+    /**
+     * @return true if the task in on the top of the grid
+     */
+    public boolean isOnGridBottomRow(TaskView taskView) {
+        return showAsGrid()
+                && !mTopRowIdSet.contains(taskView.getTaskViewId())
+                && taskView.getTaskViewId() != mFocusedTaskViewId;
+    }
+
     public Consumer<MotionEvent> getEventDispatcher(float navbarRotation) {
         float degreesRotated;
         if (navbarRotation == 0) {
@@ -4714,7 +4699,7 @@
         int overlayEnabledPage = mOverlayEnabled ? getNextPage() : -1;
         int taskCount = getTaskViewCount();
         for (int i = 0; i < taskCount; i++) {
-            getTaskViewAt(i).setOverlayEnabled(i == overlayEnabledPage);
+            requireTaskViewAt(i).setOverlayEnabled(i == overlayEnabledPage);
         }
     }
 
@@ -4868,7 +4853,7 @@
         mColorTint = tintAmount;
 
         for (int i = 0; i < getTaskViewCount(); i++) {
-            getTaskViewAt(i).setColorTint(mColorTint, mTintingColor);
+            requireTaskViewAt(i).setColorTint(mColorTint, mTintingColor);
         }
 
         Drawable scrimBg = mActivity.getScrimView().getBackground();
@@ -4937,6 +4922,62 @@
     }
 
     @Override
+    public boolean scrollLeft() {
+        if (!showAsGrid()) {
+            return super.scrollLeft();
+        }
+
+        int targetPage = getNextPage();
+        if (targetPage >= 0) {
+            // Find the next page that is not fully visible.
+            TaskView taskView = getTaskViewAt(targetPage);
+            while ((taskView == null || isTaskViewFullyVisible(taskView)) && targetPage - 1 >= 0) {
+                taskView = getTaskViewAt(--targetPage);
+            }
+            // Target a scroll where targetPage is on left of screen but still fully visible.
+            int lastTaskEnd = (mIsRtl
+                    ? mLastComputedGridSize.left
+                    : mLastComputedGridSize.right)
+                    + (mIsRtl ? mPageSpacing : -mPageSpacing);
+            int normalTaskEnd = mIsRtl
+                    ? mLastComputedGridTaskSize.left
+                    : mLastComputedGridTaskSize.right;
+            int targetScroll = getScrollForPage(targetPage) + normalTaskEnd - lastTaskEnd;
+            // Find a page that is close to targetScroll while not over it.
+            while (targetPage - 1 >= 0
+                    && (mIsRtl
+                    ? getScrollForPage(targetPage - 1) < targetScroll
+                    : getScrollForPage(targetPage - 1) > targetScroll)) {
+                targetPage--;
+            }
+            snapToPage(targetPage);
+            return true;
+        }
+
+        return mAllowOverScroll;
+    }
+
+    @Override
+    public boolean scrollRight() {
+        if (!showAsGrid()) {
+            return super.scrollRight();
+        }
+
+        int targetPage = getNextPage();
+        if (targetPage < getChildCount()) {
+            // Find the next page that is not fully visible.
+            TaskView taskView = getTaskViewAt(targetPage);
+            while ((taskView != null && isTaskViewFullyVisible(taskView))
+                    && targetPage + 1 < getChildCount()) {
+                taskView = getTaskViewAt(++targetPage);
+            }
+            snapToPage(targetPage);
+            return true;
+        }
+        return mAllowOverScroll;
+    }
+
+    @Override
     protected void onScrollChanged(int l, int t, int oldl, int oldt) {
         super.onScrollChanged(l, t, oldl, oldt);
         dispatchScrollChanged();
diff --git a/quickstep/src/com/android/quickstep/views/TaskMenuViewWithArrow.kt b/quickstep/src/com/android/quickstep/views/TaskMenuViewWithArrow.kt
index cd1691b..06a5793 100644
--- a/quickstep/src/com/android/quickstep/views/TaskMenuViewWithArrow.kt
+++ b/quickstep/src/com/android/quickstep/views/TaskMenuViewWithArrow.kt
@@ -45,7 +45,10 @@
     companion object {
         const val TAG = "TaskMenuViewWithArrow"
 
-        fun showForTask(taskContainer: TaskIdAttributeContainer): Boolean {
+        fun showForTask(
+            taskContainer: TaskIdAttributeContainer,
+            alignSecondRow: Boolean = false
+        ): Boolean {
             val activity = BaseDraggingActivity
                 .fromContext<BaseDraggingActivity>(taskContainer.taskView.context)
             val taskMenuViewWithArrow = activity.layoutInflater
@@ -55,7 +58,7 @@
                     false
                 ) as TaskMenuViewWithArrow<*>
 
-            return taskMenuViewWithArrow.populateAndShowForTask(taskContainer)
+            return taskMenuViewWithArrow.populateAndShowForTask(taskContainer, alignSecondRow)
         }
     }
 
@@ -78,6 +81,9 @@
         CLOSE_FADE_DURATION = CLOSE_CHILD_FADE_DURATION
     }
 
+    private var alignSecondRow: Boolean = false
+    private val extraSpaceForSecondRowAlignment: Int
+        get() = if (alignSecondRow) optionMeasuredHeight else 0
     private val menuWidth = context.resources.getDimensionPixelSize(R.dimen.task_menu_width_grid)
 
     private lateinit var taskView: TaskView
@@ -91,6 +97,10 @@
         else
             0
 
+    private var iconView: IconView? = null
+    private var scrim: View? = null
+    private val scrimAlpha = 0.8f
+
     override fun isOfType(type: Int): Boolean = type and TYPE_TASK_MENU != 0
 
     override fun getTargetObjectLocation(outPos: Rect?) {
@@ -112,18 +122,35 @@
         optionLayout = findViewById(KtR.id.menu_option_layout)
     }
 
-    private fun populateAndShowForTask(taskContainer: TaskIdAttributeContainer): Boolean {
+    private fun populateAndShowForTask(
+        taskContainer: TaskIdAttributeContainer,
+        alignSecondRow: Boolean
+    ): Boolean {
         if (isAttachedToWindow) {
             return false
         }
 
         taskView = taskContainer.taskView
         this.taskContainer = taskContainer
+        this.alignSecondRow = alignSecondRow
         if (!populateMenu()) return false
+        addScrim()
         show()
         return true
     }
 
+    private fun addScrim() {
+        scrim = View(context).apply {
+            layoutParams = FrameLayout.LayoutParams(
+                FrameLayout.LayoutParams.MATCH_PARENT,
+                FrameLayout.LayoutParams.MATCH_PARENT
+            )
+            setBackgroundColor(Themes.getAttrColor(context, R.attr.overviewScrimColor))
+            alpha = 0f
+        }
+        popupContainer.addView(scrim)
+    }
+
     /** @return true if successfully able to populate task view menu, false otherwise
      */
     private fun populateMenu(): Boolean {
@@ -180,18 +207,50 @@
     }
 
     override fun onCreateOpenAnimation(anim: AnimatorSet) {
-        anim.play(
-            ObjectAnimator.ofFloat(
-                taskContainer.thumbnailView, TaskThumbnailView.DIM_ALPHA,
-                TaskView.MAX_PAGE_SCRIM_ALPHA
+        scrim?.let {
+            anim.play(
+                ObjectAnimator.ofFloat(it, View.ALPHA, 0f, scrimAlpha)
+                    .setDuration(OPEN_DURATION.toLong())
             )
-        )
+        }
     }
 
     override fun onCreateCloseAnimation(anim: AnimatorSet) {
-        anim.play(
-            ObjectAnimator.ofFloat(taskContainer.thumbnailView, TaskThumbnailView.DIM_ALPHA, 0f)
-        )
+        scrim?.let {
+            anim.play(
+                ObjectAnimator.ofFloat(it, View.ALPHA, scrimAlpha, 0f)
+                    .setDuration(CLOSE_DURATION.toLong())
+            )
+        }
+    }
+
+    override fun closeComplete() {
+        super.closeComplete()
+        popupContainer.removeView(scrim)
+        popupContainer.removeView(iconView)
+    }
+
+    /**
+     * Copy the iconView from taskView to dragLayer so it can stay on top of the scrim.
+     * It needs to be called after [getTargetObjectLocation] because [mTempRect] needs to be
+     * populated.
+     */
+    private fun copyIconToDragLayer(insets: Rect) {
+        iconView = IconView(context).apply {
+            layoutParams = FrameLayout.LayoutParams(
+                taskContainer.iconView.width,
+                taskContainer.iconView.height
+            )
+            x = mTempRect.left.toFloat() - insets.left
+            y = mTempRect.top.toFloat() - insets.top
+            drawable = taskContainer.iconView.drawable
+            setDrawableSize(
+                taskContainer.iconView.drawableWidth,
+                taskContainer.iconView.drawableHeight
+            )
+        }
+
+        popupContainer.addView(iconView)
     }
 
     /**
@@ -217,7 +276,10 @@
         val dragLayer: InsettableFrameLayout = popupContainer
         val insets = dragLayer.insets
 
-        // Put to the right of the icon if there is space, which means left aligned with the menu
+        copyIconToDragLayer(insets)
+
+        // Put this menu to the right of the icon if there is space,
+        // which means the arrow is left aligned with the menu
         val rightAlignedMenuStartX = mTempRect.left - widthWithArrow
         val leftAlignedMenuStartX = mTempRect.right + extraHorizontalSpace
         mIsLeftAligned = if (mIsRtl) {
@@ -229,18 +291,17 @@
 
         var menuStartX = if (mIsLeftAligned) leftAlignedMenuStartX else rightAlignedMenuStartX
 
-        // Offset y so that the arrow and first row are center-aligned with the original icon.
+        // Offset y so that the arrow and row are center-aligned with the original icon.
         val iconHeight = mTempRect.height()
-        val optionHeight = optionMeasuredHeight
-        val yOffset = (optionHeight - iconHeight) / 2
-        var menuStartY = mTempRect.top - yOffset
+        val yOffset = (optionMeasuredHeight - iconHeight) / 2
+        var menuStartY = mTempRect.top - yOffset - extraSpaceForSecondRowAlignment
 
         // Insets are added later, so subtract them now.
         menuStartX -= insets.left
         menuStartY -= insets.top
 
-        setX(menuStartX.toFloat())
-        setY(menuStartY.toFloat())
+        x = menuStartX.toFloat()
+        y = menuStartY.toFloat()
 
         val lp = layoutParams as FrameLayout.LayoutParams
         val arrowLp = mArrow.layoutParams as FrameLayout.LayoutParams
@@ -251,7 +312,8 @@
     override fun addArrow() {
         popupContainer.addView(mArrow)
         mArrow.x = getArrowX()
-        mArrow.y = y + (optionMeasuredHeight / 2) - (mArrowHeight / 2)
+        mArrow.y = y + (optionMeasuredHeight / 2) - (mArrowHeight / 2) +
+                extraSpaceForSecondRowAlignment
 
         updateArrowColor()
 
diff --git a/quickstep/src/com/android/quickstep/views/TaskView.java b/quickstep/src/com/android/quickstep/views/TaskView.java
index 1ff2a88..467d225 100644
--- a/quickstep/src/com/android/quickstep/views/TaskView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskView.java
@@ -30,6 +30,7 @@
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TASK_LAUNCH_TAP;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
+import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_BOTTOM_OR_RIGHT;
 import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_UNDEFINED;
 
 import static java.lang.annotation.RetentionPolicy.SOURCE;
@@ -38,6 +39,7 @@
 import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
 import android.animation.ObjectAnimator;
+import android.annotation.IdRes;
 import android.app.ActivityOptions;
 import android.content.Context;
 import android.content.Intent;
@@ -597,7 +599,9 @@
         if (confirmSecondSplitSelectApp()) {
             return;
         }
-        if (ENABLE_QUICKSTEP_LIVE_TILE.get() && isRunningTask()) {
+        RecentsView recentsView = getRecentsView();
+        RemoteTargetHandle[] remoteTargetHandles = recentsView.mRemoteTargetHandles;
+        if (ENABLE_QUICKSTEP_LIVE_TILE.get() && isRunningTask() && remoteTargetHandles != null) {
             if (!mIsClickableAsLiveTile) {
                 return;
             }
@@ -610,9 +614,7 @@
             }
 
             mIsClickableAsLiveTile = false;
-            RecentsView recentsView = getRecentsView();
             RemoteAnimationTargets targets;
-            RemoteTargetHandle[] remoteTargetHandles = recentsView.mRemoteTargetHandles;
             if (remoteTargetHandles.length == 1) {
                 targets = remoteTargetHandles[0].getTransformParams().getTargetSet();
             } else {
@@ -840,7 +842,9 @@
         TaskIdAttributeContainer menuContainer =
                 mTaskIdAttributeContainer[iconView == mIconView ? 0 : 1];
         if (mActivity.getDeviceProfile().overviewShowAsGrid) {
-            return TaskMenuViewWithArrow.Companion.showForTask(menuContainer);
+            boolean alignSecondRow = getRecentsView().isOnGridBottomRow(menuContainer.getTaskView())
+                    && mActivity.getDeviceProfile().isLandscape;
+            return TaskMenuViewWithArrow.Companion.showForTask(menuContainer, alignSecondRow);
         } else {
             return TaskMenuView.showForTask(menuContainer);
         }
@@ -908,7 +912,7 @@
         return deviceProfile.overviewShowAsGrid && !isFocusedTask();
     }
 
-    private void setIconAndDimTransitionProgress(float progress, boolean invert) {
+    protected void setIconAndDimTransitionProgress(float progress, boolean invert) {
         if (invert) {
             progress = 1 - progress;
         }
@@ -1302,10 +1306,14 @@
                         getContext().getText(R.string.accessibility_close)));
 
         final Context context = getContext();
-        // TODO(b/200609838) Determine which task to run A11y action on when in split screen
-        for (SystemShortcut s : TaskOverlayFactory.getEnabledShortcuts(this,
-                mActivity.getDeviceProfile(), mTaskIdAttributeContainer[0])) {
-            info.addAction(s.createAccessibilityAction(context));
+        for (TaskIdAttributeContainer taskContainer : mTaskIdAttributeContainer) {
+            if (taskContainer == null) {
+                continue;
+            }
+            for (SystemShortcut s : TaskOverlayFactory.getEnabledShortcuts(this,
+                    mActivity.getDeviceProfile(), taskContainer)) {
+                info.addAction(s.createAccessibilityAction(context));
+            }
         }
 
         if (mDigitalWellBeingToast.hasLimit()) {
@@ -1336,12 +1344,16 @@
             return true;
         }
 
-        // TODO(b/200609838) Determine which task to run A11y action on when in split screen
-        for (SystemShortcut s : TaskOverlayFactory.getEnabledShortcuts(this,
-                mActivity.getDeviceProfile(), mTaskIdAttributeContainer[0])) {
-            if (s.hasHandlerForAction(action)) {
-                s.onClick(this);
-                return true;
+        for (TaskIdAttributeContainer taskContainer : mTaskIdAttributeContainer) {
+            if (taskContainer == null) {
+                continue;
+            }
+            for (SystemShortcut s : TaskOverlayFactory.getEnabledShortcuts(this,
+                    mActivity.getDeviceProfile(), taskContainer)) {
+                if (s.hasHandlerForAction(action)) {
+                    s.onClick(this);
+                    return true;
+                }
             }
         }
 
@@ -1558,7 +1570,6 @@
                 mScale = previewWidth / (previewWidth + currentInsetsLeft + currentInsetsRight);
             }
         }
-
     }
 
     public class TaskIdAttributeContainer {
@@ -1567,6 +1578,8 @@
         private final IconView mIconView;
         /** Defaults to STAGE_POSITION_UNDEFINED if in not a split screen task view */
         private @SplitConfigurationOptions.StagePosition int mStagePosition;
+        @IdRes
+        private final int mA11yNodeId;
 
         public TaskIdAttributeContainer(Task task, TaskThumbnailView thumbnailView,
                 IconView iconView, int stagePosition) {
@@ -1574,6 +1587,8 @@
             this.mThumbnailView = thumbnailView;
             this.mIconView = iconView;
             this.mStagePosition = stagePosition;
+            this.mA11yNodeId = (stagePosition == STAGE_POSITION_BOTTOM_OR_RIGHT) ?
+                    R.id.split_bottomRight_appInfo : R.id.split_topLeft_appInfo;
         }
 
         public TaskThumbnailView getThumbnailView() {
@@ -1603,5 +1618,9 @@
         void setStagePosition(@SplitConfigurationOptions.StagePosition int stagePosition) {
             this.mStagePosition = stagePosition;
         }
+
+        public int getA11yNodeId() {
+            return mA11yNodeId;
+        }
     }
 }
diff --git a/quickstep/tests/src/com/android/launcher3/taskbar/TaskbarNavButtonControllerTest.java b/quickstep/tests/src/com/android/launcher3/taskbar/TaskbarNavButtonControllerTest.java
new file mode 100644
index 0000000..ba1a60d
--- /dev/null
+++ b/quickstep/tests/src/com/android/launcher3/taskbar/TaskbarNavButtonControllerTest.java
@@ -0,0 +1,159 @@
+package com.android.launcher3.taskbar;
+
+import static com.android.launcher3.taskbar.TaskbarNavButtonController.BUTTON_A11Y;
+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.TaskbarNavButtonController.SCREEN_PIN_LONG_PRESS_THRESHOLD;
+import static com.android.quickstep.OverviewCommandHelper.TYPE_HOME;
+import static com.android.quickstep.OverviewCommandHelper.TYPE_TOGGLE;
+import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_SCREEN_PINNING;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.os.Handler;
+
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.quickstep.OverviewCommandHelper;
+import com.android.quickstep.SystemUiProxy;
+import com.android.quickstep.TouchInteractionService;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class TaskbarNavButtonControllerTest {
+
+    private final static int DISPLAY_ID = 2;
+
+    @Mock
+    SystemUiProxy mockSystemUiProxy;
+    @Mock
+    TouchInteractionService mockService;
+    @Mock
+    OverviewCommandHelper mockCommandHelper;
+    @Mock
+    Handler mockHandler;
+
+    private TaskbarNavButtonController mNavButtonController;
+
+    @Before
+    public void setup() {
+        MockitoAnnotations.initMocks(this);
+        when(mockService.getDisplayId()).thenReturn(DISPLAY_ID);
+        when(mockService.getOverviewCommandHelper()).thenReturn(mockCommandHelper);
+        mNavButtonController = new TaskbarNavButtonController(mockService,
+                mockSystemUiProxy, mockHandler);
+    }
+
+    @Test
+    public void testPressBack() {
+        mNavButtonController.onButtonClick(BUTTON_BACK);
+        verify(mockSystemUiProxy, times(1)).onBackPressed();
+    }
+
+    @Test
+    public void testPressImeSwitcher() {
+        mNavButtonController.onButtonClick(BUTTON_IME_SWITCH);
+        verify(mockSystemUiProxy, times(1)).onImeSwitcherPressed();
+    }
+
+    @Test
+    public void testPressA11yShortClick() {
+        mNavButtonController.onButtonClick(BUTTON_A11Y);
+        verify(mockSystemUiProxy, times(1))
+                .notifyAccessibilityButtonClicked(DISPLAY_ID);
+    }
+
+    @Test
+    public void testPressA11yLongClick() {
+        mNavButtonController.onButtonLongClick(BUTTON_A11Y);
+        verify(mockSystemUiProxy, times(1)).notifyAccessibilityButtonLongClicked();
+    }
+
+    @Test
+    public void testLongPressHome() {
+        mNavButtonController.onButtonLongClick(BUTTON_HOME);
+        verify(mockSystemUiProxy, times(1)).startAssistant(any());
+    }
+
+    @Test
+    public void testPressHome() {
+        mNavButtonController.onButtonClick(BUTTON_HOME);
+        verify(mockCommandHelper, times(1)).addCommand(TYPE_HOME);
+    }
+
+    @Test
+    public void testPressRecents() {
+        mNavButtonController.onButtonClick(BUTTON_RECENTS);
+        verify(mockCommandHelper, times(1)).addCommand(TYPE_TOGGLE);
+    }
+
+    @Test
+    public void testPressRecentsWithScreenPinned() {
+        mNavButtonController.updateSysuiFlags(SYSUI_STATE_SCREEN_PINNING);
+        mNavButtonController.onButtonClick(BUTTON_RECENTS);
+        verify(mockCommandHelper, times(0)).addCommand(TYPE_TOGGLE);
+    }
+
+    @Test
+    public void testLongPressBackRecentsNotPinned() {
+        mNavButtonController.onButtonLongClick(BUTTON_RECENTS);
+        mNavButtonController.onButtonLongClick(BUTTON_BACK);
+        verify(mockSystemUiProxy, times(0)).stopScreenPinning();
+    }
+
+    @Test
+    public void testLongPressBackRecentsPinned() {
+        mNavButtonController.updateSysuiFlags(SYSUI_STATE_SCREEN_PINNING);
+        mNavButtonController.onButtonLongClick(BUTTON_RECENTS);
+        mNavButtonController.onButtonLongClick(BUTTON_BACK);
+        verify(mockSystemUiProxy, times(1)).stopScreenPinning();
+    }
+
+    @Test
+    public void testLongPressBackRecentsTooLongPinned() {
+        mNavButtonController.updateSysuiFlags(SYSUI_STATE_SCREEN_PINNING);
+        mNavButtonController.onButtonLongClick(BUTTON_RECENTS);
+        try {
+            Thread.sleep(SCREEN_PIN_LONG_PRESS_THRESHOLD + 5);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+        mNavButtonController.onButtonLongClick(BUTTON_BACK);
+        verify(mockSystemUiProxy, times(0)).stopScreenPinning();
+    }
+
+    @Test
+    public void testLongPressBackRecentsMultipleAttemptPinned() {
+        mNavButtonController.updateSysuiFlags(SYSUI_STATE_SCREEN_PINNING);
+        mNavButtonController.onButtonLongClick(BUTTON_RECENTS);
+        try {
+            Thread.sleep(SCREEN_PIN_LONG_PRESS_THRESHOLD + 5);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+        mNavButtonController.onButtonLongClick(BUTTON_BACK);
+        verify(mockSystemUiProxy, times(0)).stopScreenPinning();
+
+        // Try again w/in threshold
+        mNavButtonController.onButtonLongClick(BUTTON_RECENTS);
+        mNavButtonController.onButtonLongClick(BUTTON_BACK);
+        verify(mockSystemUiProxy, times(1)).stopScreenPinning();
+    }
+
+    @Test
+    public void testLongPressHomeScreenPinned() {
+        mNavButtonController.updateSysuiFlags(SYSUI_STATE_SCREEN_PINNING);
+        mNavButtonController.onButtonLongClick(BUTTON_HOME);
+        verify(mockSystemUiProxy, times(0)).startAssistant(any());
+    }
+}
diff --git a/quickstep/tests/src/com/android/quickstep/AbstractQuickStepTest.java b/quickstep/tests/src/com/android/quickstep/AbstractQuickStepTest.java
index 189dff8..fb7fda1 100644
--- a/quickstep/tests/src/com/android/quickstep/AbstractQuickStepTest.java
+++ b/quickstep/tests/src/com/android/quickstep/AbstractQuickStepTest.java
@@ -20,6 +20,8 @@
 
 import static org.junit.Assert.assertTrue;
 
+import android.os.SystemProperties;
+
 import com.android.launcher3.Launcher;
 import com.android.launcher3.tapl.LauncherInstrumentation;
 import com.android.launcher3.tapl.LauncherInstrumentation.ContainerType;
@@ -33,6 +35,8 @@
  * Base class for all instrumentation tests that deal with Quickstep.
  */
 public abstract class AbstractQuickStepTest extends AbstractLauncherUiTest {
+    static final boolean ENABLE_SHELL_TRANSITIONS =
+            SystemProperties.getBoolean("persist.debug.shell_transit", false);
     @Override
     protected TestRule getRulesInsideActivityMonitor() {
         return RuleChain.
@@ -51,7 +55,7 @@
     @Override
     protected void checkLauncherState(Launcher launcher, ContainerType expectedContainerType,
             boolean isResumed, boolean isStarted) {
-        if (!isInLiveTileMode(launcher, expectedContainerType)) {
+        if (ENABLE_SHELL_TRANSITIONS || !isInLiveTileMode(launcher, expectedContainerType)) {
             super.checkLauncherState(launcher, expectedContainerType, isResumed, isStarted);
         } else {
             assertTrue("[Live Tile] hasBeenResumed() == isStarted(), hasBeenResumed(): "
@@ -62,7 +66,7 @@
     @Override
     protected void checkLauncherStateInOverview(Launcher launcher,
             ContainerType expectedContainerType, boolean isStarted, boolean isResumed) {
-        if (!isInLiveTileMode(launcher, expectedContainerType)) {
+        if (ENABLE_SHELL_TRANSITIONS || !isInLiveTileMode(launcher, expectedContainerType)) {
             super.checkLauncherStateInOverview(launcher, expectedContainerType, isStarted,
                     isResumed);
         } else {
diff --git a/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java b/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
index 93be6fb..7c503be 100644
--- a/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
+++ b/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
@@ -324,14 +324,14 @@
         if (!mLauncher.isTablet()) {
             return;
         }
-        for (int i = 2; i <= 12; i++) {
+        for (int i = 2; i <= 14; i++) {
             startTestActivity(i);
         }
 
         Overview overview = mLauncher.pressHome().switchToOverview();
         executeOnLauncher(
-                launcher -> assertTrue("Don't have at least 11 tasks",
-                        getTaskCount(launcher) >= 11));
+                launcher -> assertTrue("Don't have at least 13 tasks",
+                        getTaskCount(launcher) >= 13));
 
         // Test scroll the first task off screen
         overview.scrollCurrentTaskOffScreen();
diff --git a/res/drawable/ic_split_horizontal.xml b/res/drawable/ic_split_horizontal.xml
new file mode 100644
index 0000000..ee710d0
--- /dev/null
+++ b/res/drawable/ic_split_horizontal.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="20dp"
+    android:height="16dp"
+    android:viewportWidth="20"
+    android:viewportHeight="16">
+  <path
+      android:pathData="M18,14L13,14L13,2L18,2L18,14ZM20,14L20,2C20,0.9 19.1,-0 18,-0L13,-0C11.9,-0 11,0.9 11,2L11,14C11,15.1 11.9,16 13,16L18,16C19.1,16 20,15.1 20,14ZM7,14L2,14L2,2L7,2L7,14ZM9,14L9,2C9,0.9 8.1,-0 7,-0L2,-0C0.9,-0 -0,0.9 -0,2L-0,14C-0,15.1 0.9,16 2,16L7,16C8.1,16 9,15.1 9,14Z"
+      android:fillColor="#000000"/>
+</vector>
diff --git a/res/drawable/ic_split_left.xml b/res/drawable/ic_split_left.xml
new file mode 100644
index 0000000..fc9f699
--- /dev/null
+++ b/res/drawable/ic_split_left.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="20dp"
+    android:height="16dp"
+    android:viewportWidth="20"
+    android:viewportHeight="16">
+  <path
+      android:pathData="M-0,2L-0,14C-0,15.1 0.9,16 2,16L7,16C8.1,16 9,15.1 9,14L9,2C9,0.9 8.1,-0 7,-0L2,-0C0.9,-0 -0,0.9 -0,2ZM13,2L18,2L18,14L13,14L13,2ZM11,2L11,14C11,15.1 11.9,16 13,16L18,16C19.1,16 20,15.1 20,14L20,2C20,0.9 19.1,-0 18,-0L13,-0C11.9,-0 11,0.9 11,2Z"
+      android:fillColor="#000000"/>
+</vector>
diff --git a/res/drawable/ic_split_right.xml b/res/drawable/ic_split_right.xml
new file mode 100644
index 0000000..cc15622
--- /dev/null
+++ b/res/drawable/ic_split_right.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="20dp"
+    android:height="16dp"
+    android:viewportWidth="20"
+    android:viewportHeight="16">
+  <path
+      android:pathData="M20,14L20,2C20,0.9 19.1,-0 18,-0L13,-0C11.9,-0 11,0.9 11,2L11,14C11,15.1 11.9,16 13,16L18,16C19.1,16 20,15.1 20,14ZM7,14L2,14L2,2L7,2L7,14ZM9,14L9,2C9,0.9 8.1,-0 7,-0L2,-0C0.9,-0 -0,0.9 -0,2L-0,14C-0,15.1 0.9,16 2,16L7,16C8.1,16 9,15.1 9,14Z"
+      android:fillColor="#000000"/>
+</vector>
diff --git a/res/drawable/ic_split_top.xml b/res/drawable/ic_split_top.xml
new file mode 100644
index 0000000..f8c15bd
--- /dev/null
+++ b/res/drawable/ic_split_top.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="16dp"
+    android:height="20dp"
+    android:viewportWidth="16"
+    android:viewportHeight="20">
+  <path
+      android:pathData="M14,0H2C0.9,0 0,0.9 0,2V7C0,8.1 0.9,9 2,9H14C15.1,9 16,8.1 16,7V2C16,0.9 15.1,0 14,0ZM14,13V18H2V13H14ZM14,11H2C0.9,11 0,11.9 0,13V18C0,19.1 0.9,20 2,20H14C15.1,20 16,19.1 16,18V13C16,11.9 15.1,11 14,11Z"
+      android:fillColor="#000000"/>
+</vector>
diff --git a/res/drawable/ic_split_vertical.xml b/res/drawable/ic_split_vertical.xml
new file mode 100644
index 0000000..9bc9785
--- /dev/null
+++ b/res/drawable/ic_split_vertical.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M18,4V9H6V4H18ZM18,2H6C4.9,2 4,2.9 4,4V9C4,10.1 4.9,11 6,11H18C19.1,11 20,10.1 20,9V4C20,2.9 19.1,2 18,2ZM18,15V20H6V15H18ZM18,13H6C4.9,13 4,13.9 4,15V20C4,21.1 4.9,22 6,22H18C19.1,22 20,21.1 20,20V15C20,13.9 19.1,13 18,13Z"
+      android:fillColor="#000000"/>
+</vector>
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index ea6ddbe..086a254 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -308,6 +308,7 @@
     <dimen name="snackbar_elevation">3dp</dimen>
     <dimen name="snackbar_min_text_size">12sp</dimen>
     <dimen name="snackbar_max_text_size">14sp</dimen>
+    <dimen name="snackbar_max_width">504dp</dimen>
 
 <!-- Developer Options -->
     <dimen name="developer_options_filter_margins">10dp</dimen>
@@ -329,6 +330,9 @@
     <!-- Size of the maximum radius for the enforced rounded rectangles. -->
     <dimen name="enforced_rounded_corner_max_radius">16dp</dimen>
 
+<!-- Base Swipe Detector, speed in dp/s -->
+    <dimen name="base_swift_detector_fling_release_velocity">1dp</dimen>
+
 <!-- Overview placeholder to compile in Launcher3 without Quickstep -->
     <dimen name="task_thumbnail_icon_size">0dp</dimen>
     <dimen name="task_thumbnail_icon_drawable_size">0dp</dimen>
@@ -336,6 +340,8 @@
     <dimen name="overview_task_margin">0dp</dimen>
     <dimen name="overview_task_margin_focused">0dp</dimen>
     <dimen name="overview_task_margin_grid">0dp</dimen>
+    <dimen name="overview_actions_button_spacing">0dp</dimen>
+    <dimen name="overview_actions_button_spacing_grid">0dp</dimen>
     <dimen name="overview_actions_margin_gesture">0dp</dimen>
     <dimen name="overview_actions_top_margin_gesture_grid_portrait">0dp</dimen>
     <dimen name="overview_actions_bottom_margin_gesture_grid_portrait">0dp</dimen>
@@ -344,10 +350,10 @@
     <dimen name="overview_actions_margin_three_button">0dp</dimen>
     <dimen name="overview_grid_side_margin_portrait">0dp</dimen>
     <dimen name="overview_grid_side_margin_landscape">0dp</dimen>
-    <dimen name="overview_grid_row_spacing_portrait">0dp</dimen>
-    <dimen name="overview_grid_row_spacing_landscape">0dp</dimen>
-    <dimen name="recents_page_spacing">0dp</dimen>
-    <dimen name="recents_page_spacing_grid">0dp</dimen>
+    <dimen name="overview_grid_row_spacing">0dp</dimen>
+    <dimen name="overview_page_spacing">0dp</dimen>
+    <dimen name="overview_page_spacing_grid_portrait">0dp</dimen>
+    <dimen name="overview_page_spacing_grid_landscape">0dp</dimen>
     <dimen name="split_placeholder_size">110dp</dimen>
     <dimen name="task_menu_width_grid">200dp</dimen>
 
diff --git a/res/values/id.xml b/res/values/id.xml
index ebc4075..508caff 100644
--- a/res/values/id.xml
+++ b/res/values/id.xml
@@ -21,6 +21,10 @@
     <item type="id" name="view_type_widgets_list" />
     <item type="id" name="view_type_widgets_header" />
     <item type="id" name="view_type_widgets_search_header" />
+    <!--  Used for A11y actions in staged split to identify each task uniquely  -->
+    <item type="id" name="split_topLeft_appInfo" />
+    <item type="id" name="split_bottomRight_appInfo" />
+
 
     <!--  Do not change, must be kept in sync with sysui navbar button IDs for tests!  -->
     <item type="id" name="home" />
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 5f53d4e..868b5f3 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -40,9 +40,10 @@
     <!-- Options for recent tasks -->
     <!-- Title for an option to enter split screen mode for a given app -->
     <string name="recent_task_option_split_screen">Split screen</string>
-    <string translatable="false" name="split_screen_position_top">Split top</string>
-    <string translatable="false" name="split_screen_position_left">Split left</string>
-    <string translatable="false" name="split_screen_position_right">Split right</string>
+    <string name="split_screen_position_top">Split top</string>
+    <string name="split_screen_position_left">Split left</string>
+    <string name="split_screen_position_right">Split right</string>
+    <string name="split_app_info_accessibility">App info for %1$s</string>
 
     <!-- Widgets -->
     <!-- Message to tell the user to press and hold on a widget to add it [CHAR_LIMIT=50] -->
diff --git a/src/com/android/launcher3/AutoInstallsLayout.java b/src/com/android/launcher3/AutoInstallsLayout.java
index 5b655a4..64666b0 100644
--- a/src/com/android/launcher3/AutoInstallsLayout.java
+++ b/src/com/android/launcher3/AutoInstallsLayout.java
@@ -27,9 +27,7 @@
 import android.database.sqlite.SQLiteDatabase;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
-import android.os.Build.VERSION;
 import android.os.Bundle;
-import android.os.Process;
 import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.util.AttributeSet;
@@ -449,7 +447,7 @@
             // Auto installs should always support the current platform version.
             LauncherIcons li = LauncherIcons.obtain(mContext);
             mValues.put(LauncherSettings.Favorites.ICON, GraphicsUtils.flattenBitmap(
-                    li.createBadgedIconBitmap(icon, Process.myUserHandle(), VERSION.SDK_INT).icon));
+                    li.createBadgedIconBitmap(icon).icon));
             li.recycle();
 
             mValues.put(Favorites.ICON_PACKAGE, mIconRes.getResourcePackageName(iconId));
diff --git a/src/com/android/launcher3/BubbleTextView.java b/src/com/android/launcher3/BubbleTextView.java
index 5a6365a..5d41741 100644
--- a/src/com/android/launcher3/BubbleTextView.java
+++ b/src/com/android/launcher3/BubbleTextView.java
@@ -18,6 +18,8 @@
 
 import static com.android.launcher3.config.FeatureFlags.ENABLE_ICON_LABEL_AUTO_SCALING;
 import static com.android.launcher3.graphics.PreloadIconDrawable.newPendingIcon;
+import static com.android.launcher3.icons.BitmapInfo.FLAG_NO_BADGE;
+import static com.android.launcher3.icons.BitmapInfo.FLAG_THEMED;
 import static com.android.launcher3.icons.GraphicsUtils.setColorAlphaBound;
 
 import android.animation.Animator;
@@ -48,7 +50,7 @@
 import androidx.annotation.Nullable;
 import androidx.annotation.UiThread;
 
-import com.android.launcher3.accessibility.LauncherAccessibilityDelegate;
+import com.android.launcher3.accessibility.BaseAccessibilityDelegate;
 import com.android.launcher3.dot.DotInfo;
 import com.android.launcher3.dragndrop.DraggableView;
 import com.android.launcher3.folder.FolderIcon;
@@ -145,6 +147,8 @@
     private final int mIconSize;
 
     @ViewDebug.ExportedProperty(category = "launcher")
+    private boolean mHideBadge = false;
+    @ViewDebug.ExportedProperty(category = "launcher")
     private boolean mIsIconVisible = true;
     @ViewDebug.ExportedProperty(category = "launcher")
     private int mTextColor;
@@ -241,6 +245,10 @@
         super.onFocusChanged(focused, direction, previouslyFocusedRect);
     }
 
+    public void setHideBadge(boolean hideBadge) {
+        mHideBadge = hideBadge;
+    }
+
     /**
      * Resets the view so it can be recycled.
      */
@@ -296,7 +304,7 @@
 
     @Override
     public void setAccessibilityDelegate(AccessibilityDelegate delegate) {
-        if (delegate instanceof LauncherAccessibilityDelegate) {
+        if (delegate instanceof BaseAccessibilityDelegate) {
             super.setAccessibilityDelegate(delegate);
         } else {
             // NO-OP
@@ -364,7 +372,11 @@
     protected void applyIconAndLabel(ItemInfoWithIcon info) {
         boolean useTheme = mDisplay == DISPLAY_WORKSPACE || mDisplay == DISPLAY_FOLDER
                 || mDisplay == DISPLAY_TASKBAR;
-        FastBitmapDrawable iconDrawable = info.newIcon(getContext(), useTheme);
+        int flags = useTheme ? FLAG_THEMED : 0;
+        if (mHideBadge) {
+            flags |= FLAG_NO_BADGE;
+        }
+        FastBitmapDrawable iconDrawable = info.newIcon(getContext(), flags);
         mDotParams.color = IconPalette.getMutedColor(iconDrawable.getIconColor(), 0.54f);
 
         setIcon(iconDrawable);
diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index 5e67bf0..f772453 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -187,6 +187,7 @@
     public final int overviewActionsMarginThreeButtonPx;
     public final int overviewActionsTopMarginGesturePx;
     public final int overviewActionsBottomMarginGesturePx;
+    public final int overviewActionsButtonSpacing;
     public int overviewPageSpacing;
     public int overviewRowSpacing;
     public int overviewGridSideMargin;
@@ -372,25 +373,29 @@
                         R.dimen.overview_actions_top_margin_gesture_grid_landscape);
                 overviewActionsBottomMarginGesturePx = res.getDimensionPixelSize(
                         R.dimen.overview_actions_bottom_margin_gesture_grid_landscape);
+                overviewPageSpacing = res.getDimensionPixelSize(
+                        R.dimen.overview_page_spacing_grid_landscape);
             } else {
                 overviewActionsTopMarginGesturePx = res.getDimensionPixelSize(
                         R.dimen.overview_actions_top_margin_gesture_grid_portrait);
                 overviewActionsBottomMarginGesturePx = res.getDimensionPixelSize(
                         R.dimen.overview_actions_bottom_margin_gesture_grid_portrait);
+                overviewPageSpacing = res.getDimensionPixelSize(
+                        R.dimen.overview_page_spacing_grid_portrait);
             }
+            overviewActionsButtonSpacing = res.getDimensionPixelSize(
+                    R.dimen.overview_actions_button_spacing_grid);
         } else {
             overviewActionsTopMarginGesturePx = res.getDimensionPixelSize(
                     R.dimen.overview_actions_margin_gesture);
             overviewActionsBottomMarginGesturePx = overviewActionsTopMarginGesturePx;
+            overviewPageSpacing = res.getDimensionPixelSize(R.dimen.overview_page_spacing);
+            overviewActionsButtonSpacing = res.getDimensionPixelSize(
+                    R.dimen.overview_actions_button_spacing);
         }
         overviewActionsMarginThreeButtonPx = res.getDimensionPixelSize(
                 R.dimen.overview_actions_margin_three_button);
-        overviewPageSpacing = overviewShowAsGrid
-                ? res.getDimensionPixelSize(R.dimen.recents_page_spacing_grid)
-                : res.getDimensionPixelSize(R.dimen.recents_page_spacing);
-        overviewRowSpacing = isLandscape
-                ? res.getDimensionPixelSize(R.dimen.overview_grid_row_spacing_landscape)
-                : res.getDimensionPixelSize(R.dimen.overview_grid_row_spacing_portrait);
+        overviewRowSpacing = res.getDimensionPixelSize(R.dimen.overview_grid_row_spacing);
         overviewGridSideMargin = isLandscape
                 ? res.getDimensionPixelSize(R.dimen.overview_grid_side_margin_landscape)
                 : res.getDimensionPixelSize(R.dimen.overview_grid_side_margin_portrait);
@@ -814,15 +819,23 @@
         Point padding = getTotalWorkspacePadding();
 
         int numColumns = isTwoPanels ? inv.numColumns * 2 : inv.numColumns;
-        int cellLayoutTotalPadding =
-                isTwoPanels ? 4 * cellLayoutPaddingLeftRightPx : 2 * cellLayoutPaddingLeftRightPx;
-        int screenWidthPx = availableWidthPx - padding.x - cellLayoutTotalPadding;
+        int screenWidthPx = getWorkspaceWidth(padding);
         result.x = calculateCellWidth(screenWidthPx, cellLayoutBorderSpacePx.x, numColumns);
         result.y = calculateCellHeight(availableHeightPx - padding.y
                 - cellLayoutBottomPaddingPx, cellLayoutBorderSpacePx.y, inv.numRows);
         return result;
     }
 
+    public int getWorkspaceWidth() {
+        return getWorkspaceWidth(getTotalWorkspacePadding());
+    }
+
+    public int getWorkspaceWidth(Point workspacePadding) {
+        int cellLayoutTotalPadding =
+                isTwoPanels ? 4 * cellLayoutPaddingLeftRightPx : 2 * cellLayoutPaddingLeftRightPx;
+        return availableWidthPx - workspacePadding.x - cellLayoutTotalPadding;
+    }
+
     public Point getTotalWorkspacePadding() {
         updateWorkspacePadding();
         return new Point(workspacePadding.left + workspacePadding.right,
diff --git a/src/com/android/launcher3/InvariantDeviceProfile.java b/src/com/android/launcher3/InvariantDeviceProfile.java
index d844b87..2ebedf7 100644
--- a/src/com/android/launcher3/InvariantDeviceProfile.java
+++ b/src/com/android/launcher3/InvariantDeviceProfile.java
@@ -286,7 +286,11 @@
         mExtraAttrs = closestProfile.extraAttrs;
 
         iconSize = displayOption.iconSizes;
-        iconBitmapSize = ResourceUtils.pxFromDp(iconSize[INDEX_DEFAULT], metrics);
+        float maxIconSize = iconSize[0];
+        for (int i = 1; i < iconSize.length; i++) {
+            maxIconSize = Math.max(maxIconSize, iconSize[i]);
+        }
+        iconBitmapSize = ResourceUtils.pxFromDp(maxIconSize, metrics);
         fillResIconDpi = getLauncherIconDensity(iconBitmapSize);
 
         iconTextSize = displayOption.textSizes;
@@ -555,13 +559,10 @@
         }
         out.multiply(1.0f / weights);
 
-        // Since the bitmaps are persisted, ensure that the default bitmap size is same as
+        // Since the bitmaps are persisted, ensure that all bitmap sizes are not larger than
         // predefined size to avoid cache invalidation
-        out.iconSizes[INDEX_DEFAULT] =
-                closestPoint.iconSizes[INDEX_DEFAULT];
-        for (int i = INDEX_DEFAULT + 1; i < COUNT_SIZES; i++) {
-            out.iconSizes[i] = Math.min(out.iconSizes[i],
-                    out.iconSizes[INDEX_DEFAULT]);
+        for (int i = INDEX_DEFAULT; i < COUNT_SIZES; i++) {
+            out.iconSizes[i] = Math.min(out.iconSizes[i], closestPoint.iconSizes[i]);
         }
 
         return out;
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 0656125..e9725cb 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -29,6 +29,7 @@
 import static com.android.launcher3.AbstractFloatingView.TYPE_SNACKBAR;
 import static com.android.launcher3.AbstractFloatingView.getTopOpenViewWithType;
 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;
 import static com.android.launcher3.LauncherState.FLAG_CLOSE_POPUPS;
 import static com.android.launcher3.LauncherState.FLAG_MULTI_PAGE;
@@ -39,6 +40,7 @@
 import static com.android.launcher3.LauncherState.SPRING_LOADED;
 import static com.android.launcher3.Utilities.postAsyncCallback;
 import static com.android.launcher3.accessibility.LauncherAccessibilityDelegate.getSupportedActions;
+import static com.android.launcher3.config.FeatureFlags.ADAPTIVE_ICON_WINDOW_ANIM;
 import static com.android.launcher3.dragndrop.DragLayer.ALPHA_INDEX_LAUNCHER_LOAD;
 import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_BACKGROUND;
 import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_HOME;
@@ -55,6 +57,7 @@
 import static com.android.launcher3.popup.SystemShortcut.WIDGETS;
 import static com.android.launcher3.states.RotationHelper.REQUEST_LOCK;
 import static com.android.launcher3.states.RotationHelper.REQUEST_NONE;
+import static com.android.launcher3.util.ItemInfoMatcher.forFolderMatch;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
@@ -90,6 +93,7 @@
 import android.os.StrictMode;
 import android.os.SystemClock;
 import android.os.Trace;
+import android.os.UserHandle;
 import android.text.TextUtils;
 import android.text.method.TextKeyListener;
 import android.util.Log;
@@ -115,8 +119,8 @@
 import androidx.annotation.VisibleForTesting;
 
 import com.android.launcher3.DropTarget.DragObject;
+import com.android.launcher3.accessibility.BaseAccessibilityDelegate.LauncherAction;
 import com.android.launcher3.accessibility.LauncherAccessibilityDelegate;
-import com.android.launcher3.accessibility.LauncherAccessibilityDelegate.LauncherAction;
 import com.android.launcher3.allapps.AllAppsContainerView;
 import com.android.launcher3.allapps.AllAppsStore;
 import com.android.launcher3.allapps.AllAppsTransitionController;
@@ -215,6 +219,7 @@
 import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
@@ -2676,6 +2681,79 @@
         }
     }
 
+    /**
+     * Similar to {@link #getFirstMatch} but optimized to finding a suitable view for the app close
+     * animation.
+     *
+     * @param preferredItemId The id of the preferred item to match to if it exists.
+     * @param packageName The package name of the app to match.
+     * @param user The user of the app to match.
+     */
+    public View getFirstMatchForAppClose(int preferredItemId, String packageName, UserHandle user) {
+        final ItemInfoMatcher preferredItem = (info, cn) ->
+                info != null && info.id == preferredItemId;
+        final ItemInfoMatcher packageAndUserAndApp = (info, cn) ->
+                info != null
+                        && info.itemType == ITEM_TYPE_APPLICATION
+                        && info.user.equals(user)
+                        && info.getTargetComponent() != null
+                        && TextUtils.equals(info.getTargetComponent().getPackageName(),
+                        packageName);
+
+        if (isInState(LauncherState.ALL_APPS)) {
+            return getFirstMatch(Collections.singletonList(mAppsView.getActiveRecyclerView()),
+                    preferredItem, packageAndUserAndApp);
+        } else {
+            List<ViewGroup> containers = new ArrayList<>(mWorkspace.getPanelCount() + 1);
+            containers.add(mWorkspace.getHotseat().getShortcutsAndWidgets());
+            mWorkspace.forEachVisiblePage(page
+                    -> containers.add(((CellLayout) page).getShortcutsAndWidgets()));
+
+            // Order: Preferred item by itself or in folder, then by matching package/user
+            if (ADAPTIVE_ICON_WINDOW_ANIM.get()) {
+                return getFirstMatch(containers, preferredItem, forFolderMatch(preferredItem),
+                        packageAndUserAndApp, forFolderMatch(packageAndUserAndApp));
+            } else {
+                // Do not use Folder as a criteria, since it'll cause a crash when trying to draw
+                // FolderAdaptiveIcon as the background.
+                return getFirstMatch(containers, preferredItem, packageAndUserAndApp);
+            }
+        }
+    }
+
+    /**
+     * Finds the first view matching the ordered operators across the given viewgroups in order.
+     * @param containers List of ViewGroups to scan, in order of preference.
+     * @param operators List of operators, in order starting from best matching operator.
+     */
+    private static View getFirstMatch(Iterable<ViewGroup> containers,
+            final ItemInfoMatcher... operators) {
+        for (ItemInfoMatcher operator : operators) {
+            for (ViewGroup container : containers) {
+                View match = mapOverViewGroup(container, operator);
+                if (match != null) {
+                    return match;
+                }
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Returns the first view matching the operator in the given ViewGroups, or null if none.
+     * Forward iteration matters.
+     */
+    private static View mapOverViewGroup(ViewGroup container, ItemInfoMatcher op) {
+        final int itemCount = container.getChildCount();
+        for (int itemIdx = 0; itemIdx < itemCount; itemIdx++) {
+            View item = container.getChildAt(itemIdx);
+            if (op.matchesInfo((ItemInfo) item.getTag())) {
+                return item;
+            }
+        }
+        return null;
+    }
+
     private ValueAnimator createNewAppBounceAnimation(View v, int i) {
         ValueAnimator bounceAnim = new PropertyListBuilder().alpha(1).scale(1).build(v)
                 .setDuration(ItemInstallQueue.NEW_SHORTCUT_BOUNCE_DURATION);
diff --git a/src/com/android/launcher3/LauncherState.java b/src/com/android/launcher3/LauncherState.java
index 15378e0..be2cd88 100644
--- a/src/com/android/launcher3/LauncherState.java
+++ b/src/com/android/launcher3/LauncherState.java
@@ -57,10 +57,9 @@
     public static final int ALL_APPS_CONTENT = 1 << 1;
     public static final int VERTICAL_SWIPE_INDICATOR = 1 << 2;
     public static final int OVERVIEW_ACTIONS = 1 << 3;
-    public static final int TASKBAR = 1 << 4;
-    public static final int CLEAR_ALL_BUTTON = 1 << 5;
-    public static final int WORKSPACE_PAGE_INDICATOR = 1 << 6;
-    public static final int SPLIT_PLACHOLDER_VIEW = 1 << 7;
+    public static final int CLEAR_ALL_BUTTON = 1 << 4;
+    public static final int WORKSPACE_PAGE_INDICATOR = 1 << 5;
+    public static final int SPLIT_PLACHOLDER_VIEW = 1 << 6;
 
     // Flag indicating workspace has multiple pages visible.
     public static final int FLAG_MULTI_PAGE = BaseState.getFlag(0);
@@ -186,7 +185,7 @@
     }
 
     public int getVisibleElements(Launcher launcher) {
-        return HOTSEAT_ICONS | WORKSPACE_PAGE_INDICATOR | VERTICAL_SWIPE_INDICATOR | TASKBAR;
+        return HOTSEAT_ICONS | WORKSPACE_PAGE_INDICATOR | VERTICAL_SWIPE_INDICATOR;
     }
 
     /**
@@ -197,10 +196,16 @@
         return (getVisibleElements(launcher) & elements) == elements;
     }
 
-    public boolean isTaskbarStashed() {
+    /** Returns whether taskbar is stashed and thus should replace hotseat with a handle */
+    public boolean isTaskbarStashed(Launcher launcher) {
         return false;
     }
 
+    /** Returns whether taskbar is aligned with the hotseat vs position inside apps */
+    public boolean isTaskbarAlignedWithHotseat(Launcher launcher) {
+        return !isTaskbarStashed(launcher);
+    }
+
     /**
      * Fraction shift in the vertical translation UI and related properties
      *
diff --git a/src/com/android/launcher3/PagedView.java b/src/com/android/launcher3/PagedView.java
index cefadf7..2c14f07 100644
--- a/src/com/android/launcher3/PagedView.java
+++ b/src/com/android/launcher3/PagedView.java
@@ -252,7 +252,7 @@
         if (0 <= mCurrentPage && mCurrentPage < getPageCount()) {
             newPosition = getScrollForPage(mCurrentPage) + mCurrentPageScrollDiff;
         }
-        mOrientationHandler.set(this, VIEW_SCROLL_TO, newPosition);
+        mOrientationHandler.setPrimary(this, VIEW_SCROLL_TO, newPosition);
         mScroller.startScroll(mScroller.getCurrX(), 0, newPosition - mScroller.getCurrX(), 0);
         forceFinishScroller();
     }
@@ -556,7 +556,7 @@
             int oldPos = mOrientationHandler.getPrimaryScroll(this);
             int newPos = mScroller.getCurrX();
             if (oldPos != newPos) {
-                mOrientationHandler.set(this, VIEW_SCROLL_TO, mScroller.getCurrX());
+                mOrientationHandler.setPrimary(this, VIEW_SCROLL_TO, mScroller.getCurrX());
             }
 
             if (mAllowOverScroll) {
@@ -1280,7 +1280,7 @@
                 mLastMotionRemainder = delta - movedDelta;
 
                 if (delta != 0) {
-                    mOrientationHandler.set(this, VIEW_SCROLL_BY, movedDelta);
+                    mOrientationHandler.setPrimary(this, VIEW_SCROLL_BY, movedDelta);
 
                     if (mAllowOverScroll) {
                         final float pulledToX = oldScroll + delta;
@@ -1749,20 +1749,23 @@
     public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
         super.onInitializeAccessibilityNodeInfo(info);
         final boolean pagesFlipped = isPageOrderFlipped();
-        int offset = (mAllowOverScroll ? 0 : 1);
-        info.setScrollable(getPageCount() > offset);
-        if (getCurrentPage() < getPageCount() - offset) {
+        info.setScrollable(getPageCount() > 0);
+        int primaryScroll = mOrientationHandler.getPrimaryScroll(this);
+        if (getCurrentPage() < getPageCount() - getPanelCount()
+                || (getCurrentPage() == getPageCount() - getPanelCount()
+                && primaryScroll != getScrollForPage(getPageCount() - getPanelCount()))) {
             info.addAction(pagesFlipped ?
-                AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_BACKWARD
-                : AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_FORWARD);
+                    AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_BACKWARD
+                    : AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_FORWARD);
             info.addAction(mIsRtl ?
                 AccessibilityNodeInfo.AccessibilityAction.ACTION_PAGE_LEFT
                 : AccessibilityNodeInfo.AccessibilityAction.ACTION_PAGE_RIGHT);
         }
-        if (getCurrentPage() >= offset) {
+        if (getCurrentPage() > 0
+                || (getCurrentPage() == 0 && primaryScroll != getScrollForPage(0))) {
             info.addAction(pagesFlipped ?
-                AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_FORWARD
-                : AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_BACKWARD);
+                    AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_FORWARD
+                    : AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_BACKWARD);
             info.addAction(mIsRtl ?
                 AccessibilityNodeInfo.AccessibilityAction.ACTION_PAGE_RIGHT
                 : AccessibilityNodeInfo.AccessibilityAction.ACTION_PAGE_LEFT);
@@ -1807,16 +1810,16 @@
             } break;
             case android.R.id.accessibilityActionPageRight: {
                 if (!mIsRtl) {
-                  return scrollRight();
+                    return scrollRight();
                 } else {
-                  return scrollLeft();
+                    return scrollLeft();
                 }
             }
             case android.R.id.accessibilityActionPageLeft: {
                 if (!mIsRtl) {
-                  return scrollLeft();
+                    return scrollLeft();
                 } else {
-                  return scrollRight();
+                    return scrollRight();
                 }
             }
         }
diff --git a/src/com/android/launcher3/Utilities.java b/src/com/android/launcher3/Utilities.java
index d2fe483..ac194d2 100644
--- a/src/com/android/launcher3/Utilities.java
+++ b/src/com/android/launcher3/Utilities.java
@@ -16,6 +16,7 @@
 
 package com.android.launcher3;
 
+import static com.android.launcher3.icons.BitmapInfo.FLAG_THEMED;
 import static com.android.launcher3.model.data.ItemInfoWithIcon.FLAG_ICON_BADGED;
 
 import android.annotation.TargetApi;
@@ -36,7 +37,6 @@
 import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.database.ContentObserver;
-import android.graphics.Bitmap;
 import android.graphics.Color;
 import android.graphics.ColorFilter;
 import android.graphics.LightingColorFilter;
@@ -48,12 +48,12 @@
 import android.graphics.drawable.AdaptiveIconDrawable;
 import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
-import android.graphics.drawable.InsetDrawable;
 import android.net.Uri;
 import android.os.Build;
 import android.os.DeadObjectException;
 import android.os.Handler;
 import android.os.Message;
+import android.os.Process;
 import android.os.TransactionTooLargeException;
 import android.provider.Settings;
 import android.text.Spannable;
@@ -78,7 +78,6 @@
 import com.android.launcher3.graphics.TintedDrawableSpan;
 import com.android.launcher3.icons.BitmapInfo;
 import com.android.launcher3.icons.FastBitmapDrawable;
-import com.android.launcher3.icons.LauncherIcons;
 import com.android.launcher3.icons.ShortcutCachingLogic;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.ItemInfoWithIcon;
@@ -110,8 +109,6 @@
     private static final Pattern sTrimPattern =
             Pattern.compile("^[\\s|\\p{javaSpaceChar}]*(.*)[\\s|\\p{javaSpaceChar}]*$");
 
-    private static final float[] sTmpFloatArray = new float[4];
-
     private static final int[] sLoc0 = new int[2];
     private static final int[] sLoc1 = new int[2];
     private static final Matrix sMatrix = new Matrix();
@@ -738,27 +735,23 @@
     @TargetApi(Build.VERSION_CODES.O)
     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)
                     && (((ItemInfoWithIcon) info).runtimeStatusFlags & FLAG_ICON_BADGED) > 0;
             if ((info.id == ItemInfo.NO_ID && !iconBadged)
                     || !(obj instanceof ShortcutInfo)) {
                 // The item is not yet added on home screen.
-                return new FixedSizeEmptyDrawable(iconSize);
+                return new ColorDrawable(Color.TRANSPARENT);
             }
             ShortcutInfo si = (ShortcutInfo) obj;
-            Bitmap badge = LauncherAppState.getInstance(appState.getContext())
-                    .getIconCache().getShortcutInfoBadge(si).icon;
-            float badgeSize = LauncherIcons.getBadgeSizeForIconSize(iconSize);
-            float insetFraction = (iconSize - badgeSize) / iconSize;
-            return new InsetDrawable(new FastBitmapDrawable(badge),
-                    insetFraction, insetFraction, 0, 0);
+            return LauncherAppState.getInstance(appState.getContext())
+                    .getIconCache().getShortcutInfoBadge(si).newIcon(context, FLAG_THEMED);
         } else if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_FOLDER) {
             return ((FolderAdaptiveIcon) obj).getBadge();
         } else {
-            return context.getPackageManager()
-                    .getUserBadgedIcon(new FixedSizeEmptyDrawable(iconSize), info.user);
+            return Process.myUserHandle().equals(info.user)
+                    ? new ColorDrawable(Color.TRANSPARENT)
+                    : context.getDrawable(R.drawable.ic_work_app_badge);
         }
     }
 
@@ -864,24 +857,4 @@
         v.getLocationOnScreen(pos);
         return new Rect(pos[0], pos[1], pos[0] + v.getWidth(), pos[1] + v.getHeight());
     }
-
-    private static class FixedSizeEmptyDrawable extends ColorDrawable {
-
-        private final int mSize;
-
-        public FixedSizeEmptyDrawable(int size) {
-            super(Color.TRANSPARENT);
-            mSize = size;
-        }
-
-        @Override
-        public int getIntrinsicHeight() {
-            return mSize;
-        }
-
-        @Override
-        public int getIntrinsicWidth() {
-            return mSize;
-        }
-    }
 }
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 203df0a..281dfea 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -26,7 +26,6 @@
 import static com.android.launcher3.LauncherState.NORMAL;
 import static com.android.launcher3.LauncherState.SPRING_LOADED;
 import static com.android.launcher3.anim.AnimatorListeners.forSuccessCallback;
-import static com.android.launcher3.config.FeatureFlags.ADAPTIVE_ICON_WINDOW_ANIM;
 import static com.android.launcher3.dragndrop.DragLayer.ALPHA_INDEX_OVERLAY;
 import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_HOME;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_SWIPELEFT;
@@ -51,7 +50,6 @@
 import android.os.Message;
 import android.os.Parcelable;
 import android.os.UserHandle;
-import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.util.Log;
 import android.util.SparseArray;
@@ -3146,62 +3144,6 @@
         return layouts;
     }
 
-    /**
-     * Similar to {@link #getFirstMatch} but optimized to finding a suitable view for the app close
-     * animation.
-     *
-     * @param preferredItemId The id of the preferred item to match to if it exists.
-     * @param packageName The package name of the app to match.
-     * @param user The user of the app to match.
-     */
-    public View getFirstMatchForAppClose(int preferredItemId, String packageName, UserHandle user) {
-        final ItemOperator preferredItem = (ItemInfo info, View view) ->
-                info != null && info.id == preferredItemId;
-        final ItemOperator preferredItemInFolder = (info, view) -> {
-            if (info instanceof FolderInfo) {
-                FolderInfo folderInfo = (FolderInfo) info;
-                for (WorkspaceItemInfo shortcutInfo : folderInfo.contents) {
-                    if (preferredItem.evaluate(shortcutInfo, view)) {
-                        return true;
-                    }
-                }
-            }
-            return false;
-        };
-        final ItemOperator packageAndUserAndApp = (ItemInfo info, View view) ->
-                info != null
-                        && info.itemType == ITEM_TYPE_APPLICATION
-                        && info.user.equals(user)
-                        && info.getTargetComponent() != null
-                        && TextUtils.equals(info.getTargetComponent().getPackageName(),
-                                packageName);
-        final ItemOperator packageAndUserAndAppInFolder = (info, view) -> {
-            if (info instanceof FolderInfo) {
-                FolderInfo folderInfo = (FolderInfo) info;
-                for (WorkspaceItemInfo shortcutInfo : folderInfo.contents) {
-                    if (packageAndUserAndApp.evaluate(shortcutInfo, view)) {
-                        return true;
-                    }
-                }
-            }
-            return false;
-        };
-
-        List<CellLayout> cellLayouts = new ArrayList<>(getPanelCount() + 1);
-        cellLayouts.add(getHotseat());
-        forEachVisiblePage(page -> cellLayouts.add((CellLayout) page));
-
-        // Order: Preferred item, App icons in hotseat/workspace, app in folder in hotseat/workspace
-        if (ADAPTIVE_ICON_WINDOW_ANIM.get()) {
-            return getFirstMatch(cellLayouts, preferredItem, preferredItemInFolder,
-                    packageAndUserAndApp, packageAndUserAndAppInFolder);
-        } else {
-            // Do not use Folder as a criteria, since it'll cause a crash when trying to draw
-            // FolderAdaptiveIcon as the background.
-            return getFirstMatch(cellLayouts, preferredItem, packageAndUserAndApp);
-        }
-    }
-
     public View getHomescreenIconByItemId(final int id) {
         return getFirstMatch((info, v) -> info != null && info.id == id);
     }
@@ -3227,23 +3169,6 @@
         return value[0];
     }
 
-    /**
-     * Finds the first view matching the ordered operators across the given cell layouts by order.
-     * @param cellLayouts List of CellLayouts to scan, in order of preference.
-     * @param operators List of operators, in order starting from best matching operator.
-     */
-    View getFirstMatch(Iterable<CellLayout> cellLayouts, final ItemOperator... operators) {
-        for (ItemOperator operator : operators) {
-            for (CellLayout cellLayout : cellLayouts) {
-                View match = mapOverCellLayout(cellLayout, operator);
-                if (match != null) {
-                    return match;
-                }
-            }
-        }
-        return null;
-    }
-
     void clearDropTargets() {
         mapOverItems(new ItemOperator() {
             @Override
diff --git a/src/com/android/launcher3/accessibility/BaseAccessibilityDelegate.java b/src/com/android/launcher3/accessibility/BaseAccessibilityDelegate.java
new file mode 100644
index 0000000..14b2431
--- /dev/null
+++ b/src/com/android/launcher3/accessibility/BaseAccessibilityDelegate.java
@@ -0,0 +1,192 @@
+/*
+ * 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.accessibility;
+
+import android.content.Context;
+import android.graphics.Rect;
+import android.os.Bundle;
+import android.text.TextUtils;
+import android.util.SparseArray;
+import android.view.View;
+import android.view.accessibility.AccessibilityNodeInfo;
+
+import com.android.launcher3.DropTarget;
+import com.android.launcher3.LauncherSettings;
+import com.android.launcher3.dragndrop.DragController;
+import com.android.launcher3.dragndrop.DragOptions;
+import com.android.launcher3.model.data.FolderInfo;
+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.popup.PopupContainerWithArrow;
+import com.android.launcher3.util.Thunk;
+import com.android.launcher3.views.ActivityContext;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public abstract class BaseAccessibilityDelegate<T extends Context & ActivityContext>
+        extends View.AccessibilityDelegate implements DragController.DragListener {
+
+    public enum DragType {
+        ICON,
+        FOLDER,
+        WIDGET
+    }
+
+    public static class DragInfo {
+        public DragType dragType;
+        public ItemInfo info;
+        public View item;
+    }
+
+    protected final SparseArray<LauncherAction> mActions = new SparseArray<>();
+    protected final T mContext;
+
+    protected DragInfo mDragInfo = null;
+
+    protected BaseAccessibilityDelegate(T context) {
+        mContext = context;
+    }
+
+    @Override
+    public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfo info) {
+        super.onInitializeAccessibilityNodeInfo(host, info);
+        if (host.getTag() instanceof ItemInfo) {
+            ItemInfo item = (ItemInfo) host.getTag();
+
+            List<LauncherAction> actions = new ArrayList<>();
+            getSupportedActions(host, item, actions);
+            actions.forEach(la -> info.addAction(la.accessibilityAction));
+
+            if (!itemSupportsLongClick(host, item)) {
+                info.setLongClickable(false);
+                info.removeAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_LONG_CLICK);
+            }
+        }
+    }
+
+    /**
+     * Adds all the accessibility actions that can be handled.
+     */
+    protected abstract void getSupportedActions(View host, ItemInfo item, List<LauncherAction> out);
+
+    private boolean itemSupportsLongClick(View host, ItemInfo info) {
+        return PopupContainerWithArrow.canShow(host, info);
+    }
+
+    protected boolean itemSupportsAccessibleDrag(ItemInfo item) {
+        if (item instanceof WorkspaceItemInfo) {
+            // Support the action unless the item is in a context menu.
+            return item.screenId >= 0
+                    && item.container != LauncherSettings.Favorites.CONTAINER_HOTSEAT_PREDICTION;
+        }
+        return (item instanceof LauncherAppWidgetInfo)
+                || (item instanceof FolderInfo);
+    }
+
+    @Override
+    public boolean performAccessibilityAction(View host, int action, Bundle args) {
+        if ((host.getTag() instanceof ItemInfo)
+                && performAction(host, (ItemInfo) host.getTag(), action, false)) {
+            return true;
+        }
+        return super.performAccessibilityAction(host, action, args);
+    }
+
+    protected abstract boolean performAction(
+            View host, ItemInfo item, int action, boolean fromKeyboard);
+
+    @Thunk
+    protected void announceConfirmation(String confirmation) {
+        mContext.getDragLayer().announceForAccessibility(confirmation);
+
+    }
+
+    public boolean isInAccessibleDrag() {
+        return mDragInfo != null;
+    }
+
+    public DragInfo getDragInfo() {
+        return mDragInfo;
+    }
+
+    /**
+     * @param clickedTarget the actual view that was clicked
+     * @param dropLocation relative to {@param clickedTarget}. If provided, its center is used
+     * as the actual drop location otherwise the views center is used.
+     */
+    public void handleAccessibleDrop(View clickedTarget, Rect dropLocation,
+            String confirmation) {
+        if (!isInAccessibleDrag()) return;
+
+        int[] loc = new int[2];
+        if (dropLocation == null) {
+            loc[0] = clickedTarget.getWidth() / 2;
+            loc[1] = clickedTarget.getHeight() / 2;
+        } else {
+            loc[0] = dropLocation.centerX();
+            loc[1] = dropLocation.centerY();
+        }
+
+        mContext.getDragLayer().getDescendantCoordRelativeToSelf(clickedTarget, loc);
+        mContext.getDragController().completeAccessibleDrag(loc);
+
+        if (!TextUtils.isEmpty(confirmation)) {
+            announceConfirmation(confirmation);
+        }
+    }
+
+    protected abstract boolean beginAccessibleDrag(View item, ItemInfo info, boolean fromKeyboard);
+
+
+    @Override
+    public void onDragEnd() {
+        mContext.getDragController().removeDragListener(this);
+        mDragInfo = null;
+    }
+
+    @Override
+    public void onDragStart(DropTarget.DragObject dragObject, DragOptions options) {
+        // No-op
+    }
+
+    public class LauncherAction {
+        public final int keyCode;
+        public final AccessibilityNodeInfo.AccessibilityAction accessibilityAction;
+
+        private final BaseAccessibilityDelegate<T> mDelegate;
+
+        public LauncherAction(int id, int labelRes, int keyCode) {
+            this.keyCode = keyCode;
+            accessibilityAction = new AccessibilityNodeInfo.AccessibilityAction(
+                    id, mContext.getString(labelRes));
+            mDelegate = BaseAccessibilityDelegate.this;
+        }
+
+        /**
+         * Invokes the action for the provided host
+         */
+        public boolean invokeFromKeyboard(View host) {
+            if (host != null && host.getTag() instanceof ItemInfo) {
+                return mDelegate.performAction(
+                        host, (ItemInfo) host.getTag(), accessibilityAction.getId(), true);
+            } else {
+                return false;
+            }
+        }
+    }
+}
diff --git a/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java b/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java
index 157df5d..18c05eb 100644
--- a/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java
+++ b/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java
@@ -10,27 +10,19 @@
 import android.graphics.Point;
 import android.graphics.Rect;
 import android.graphics.RectF;
-import android.os.Bundle;
 import android.os.Handler;
-import android.text.TextUtils;
 import android.util.Log;
-import android.util.SparseArray;
 import android.view.KeyEvent;
 import android.view.View;
-import android.view.View.AccessibilityDelegate;
-import android.view.accessibility.AccessibilityNodeInfo;
-import android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction;
 
 import com.android.launcher3.BubbleTextView;
 import com.android.launcher3.ButtonDropTarget;
 import com.android.launcher3.CellLayout;
-import com.android.launcher3.DropTarget.DragObject;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.PendingAddItemInfo;
 import com.android.launcher3.R;
 import com.android.launcher3.Workspace;
-import com.android.launcher3.dragndrop.DragController.DragListener;
 import com.android.launcher3.dragndrop.DragOptions;
 import com.android.launcher3.dragndrop.DragView;
 import com.android.launcher3.folder.Folder;
@@ -57,7 +49,7 @@
 import java.util.Collections;
 import java.util.List;
 
-public class LauncherAccessibilityDelegate extends AccessibilityDelegate implements DragListener {
+public class LauncherAccessibilityDelegate extends BaseAccessibilityDelegate<Launcher> {
 
     private static final String TAG = "LauncherAccessibilityDelegate";
 
@@ -73,25 +65,8 @@
     public static final int DEEP_SHORTCUTS = R.id.action_deep_shortcuts;
     public static final int SHORTCUTS_AND_NOTIFICATIONS = R.id.action_shortcuts_and_notifications;
 
-    public enum DragType {
-        ICON,
-        FOLDER,
-        WIDGET
-    }
-
-    public static class DragInfo {
-        public DragType dragType;
-        public ItemInfo info;
-        public View item;
-    }
-
-    protected final SparseArray<LauncherAction> mActions = new SparseArray<>();
-    protected final Launcher mLauncher;
-
-    private DragInfo mDragInfo = null;
-
     public LauncherAccessibilityDelegate(Launcher launcher) {
-        mLauncher = launcher;
+        super(launcher);
 
         mActions.put(REMOVE, new LauncherAction(
                 REMOVE, R.string.remove_drop_target_label, KeyEvent.KEYCODE_X));
@@ -116,25 +91,6 @@
     }
 
     @Override
-    public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfo info) {
-        super.onInitializeAccessibilityNodeInfo(host, info);
-        if (host.getTag() instanceof ItemInfo) {
-            ItemInfo item = (ItemInfo) host.getTag();
-
-            List<LauncherAction> actions = new ArrayList<>();
-            getSupportedActions(host, item, actions);
-            actions.forEach(la -> info.addAction(la.accessibilityAction));
-
-            if (!itemSupportsLongClick(host, item)) {
-                info.setLongClickable(false);
-                info.removeAction(AccessibilityAction.ACTION_LONG_CLICK);
-            }
-        }
-    }
-
-    /**
-     * Adds all the accessibility actions that can be handled.
-     */
     protected void getSupportedActions(View host, ItemInfo item, List<LauncherAction> out) {
         // If the request came from keyboard, do not add custom shortcuts as that is already
         // exposed as a direct shortcut
@@ -143,7 +99,7 @@
                     ? SHORTCUTS_AND_NOTIFICATIONS : DEEP_SHORTCUTS));
         }
 
-        for (ButtonDropTarget target : mLauncher.getDropTargetBar().getDropTargets()) {
+        for (ButtonDropTarget target : mContext.getDropTargetBar().getDropTargets()) {
             if (target.supportsAccessibilityDrop(item, host)) {
                 out.add(mActions.get(target.getAccessibilityAction()));
             }
@@ -183,31 +139,7 @@
         return result;
     }
 
-    private boolean itemSupportsLongClick(View host, ItemInfo info) {
-        return PopupContainerWithArrow.canShow(host, info);
-    }
-
-    private boolean itemSupportsAccessibleDrag(ItemInfo item) {
-        if (item instanceof WorkspaceItemInfo) {
-            // Support the action unless the item is in a context menu.
-            return item.screenId >= 0 && item.container != Favorites.CONTAINER_HOTSEAT_PREDICTION;
-        }
-        return (item instanceof LauncherAppWidgetInfo)
-                || (item instanceof FolderInfo);
-    }
-
     @Override
-    public boolean performAccessibilityAction(View host, int action, Bundle args) {
-        if ((host.getTag() instanceof ItemInfo)
-                && performAction(host, (ItemInfo) host.getTag(), action, false)) {
-            return true;
-        }
-        return super.performAccessibilityAction(host, action, args);
-    }
-
-    /**
-     * Performs the provided action on the host
-     */
     protected boolean performAction(final View host, final ItemInfo item, int action,
             boolean fromKeyboard) {
         if (action == ACTION_LONG_CLICK) {
@@ -226,36 +158,36 @@
             if (screenId == -1) {
                 return false;
             }
-            mLauncher.getStateManager().goToState(NORMAL, true, forSuccessCallback(() -> {
+            mContext.getStateManager().goToState(NORMAL, true, forSuccessCallback(() -> {
                 if (item instanceof AppInfo) {
                     WorkspaceItemInfo info = ((AppInfo) item).makeWorkspaceItem();
-                    mLauncher.getModelWriter().addItemToDatabase(info,
+                    mContext.getModelWriter().addItemToDatabase(info,
                             Favorites.CONTAINER_DESKTOP,
                             screenId, coordinates[0], coordinates[1]);
 
-                    mLauncher.bindItems(
+                    mContext.bindItems(
                             Collections.singletonList(info),
                             /* forceAnimateIcons= */ true,
                             /* focusFirstItemForAccessibility= */ true);
                     announceConfirmation(R.string.item_added_to_workspace);
                 } else if (item instanceof PendingAddItemInfo) {
                     PendingAddItemInfo info = (PendingAddItemInfo) item;
-                    Workspace workspace = mLauncher.getWorkspace();
+                    Workspace workspace = mContext.getWorkspace();
                     workspace.snapToPage(workspace.getPageIndexForScreenId(screenId));
-                    mLauncher.addPendingItem(info, Favorites.CONTAINER_DESKTOP,
+                    mContext.addPendingItem(info, Favorites.CONTAINER_DESKTOP,
                             screenId, coordinates, info.spanX, info.spanY);
                 }
                 else if (item instanceof WorkspaceItemInfo) {
                     WorkspaceItemInfo info = ((WorkspaceItemInfo) item).clone();
-                    mLauncher.getModelWriter().addItemToDatabase(info,
+                    mContext.getModelWriter().addItemToDatabase(info,
                             Favorites.CONTAINER_DESKTOP,
                             screenId, coordinates[0], coordinates[1]);
-                    mLauncher.bindItems(Collections.singletonList(info), true, true);
+                    mContext.bindItems(Collections.singletonList(info), true, true);
                 }
             }));
             return true;
         } else if (action == MOVE_TO_WORKSPACE) {
-            Folder folder = Folder.getOpen(mLauncher);
+            Folder folder = Folder.getOpen(mContext);
             folder.close(true);
             WorkspaceItemInfo info = (WorkspaceItemInfo) item;
             folder.getInfo().remove(info, false);
@@ -265,14 +197,14 @@
             if (screenId == -1) {
                 return false;
             }
-            mLauncher.getModelWriter().moveItemInDatabase(info,
+            mContext.getModelWriter().moveItemInDatabase(info,
                     Favorites.CONTAINER_DESKTOP,
                     screenId, coordinates[0], coordinates[1]);
 
             // Bind the item in next frame so that if a new workspace page was created,
             // it will get laid out.
             new Handler().post(() -> {
-                mLauncher.bindItems(Collections.singletonList(item), true);
+                mContext.bindItems(Collections.singletonList(item), true);
                 announceConfirmation(R.string.item_moved);
             });
             return true;
@@ -280,15 +212,15 @@
             final LauncherAppWidgetInfo info = (LauncherAppWidgetInfo) item;
             List<OptionItem> actions = getSupportedResizeActions(host, info);
             Rect pos = new Rect();
-            mLauncher.getDragLayer().getDescendantRectRelativeToSelf(host, pos);
-            ArrowPopup popup = OptionsPopupView.show(mLauncher, new RectF(pos), actions, false);
+            mContext.getDragLayer().getDescendantRectRelativeToSelf(host, pos);
+            ArrowPopup popup = OptionsPopupView.show(mContext, new RectF(pos), actions, false);
             popup.requestFocus();
             popup.setOnCloseCallback(host::requestFocus);
             return true;
         } else if (action == DEEP_SHORTCUTS || action == SHORTCUTS_AND_NOTIFICATIONS) {
             return PopupContainerWithArrow.showForIcon((BubbleTextView) host) != null;
         } else {
-            for (ButtonDropTarget dropTarget : mLauncher.getDropTargetBar().getDropTargets()) {
+            for (ButtonDropTarget dropTarget : mContext.getDropTargetBar().getDropTargets()) {
                 if (dropTarget.supportsAccessibilityDrop(item, host)
                         && action == dropTarget.getAccessibilityAction()) {
                     dropTarget.onAccessibilityDrop(host, item);
@@ -315,7 +247,7 @@
         if ((providerInfo.resizeMode & AppWidgetProviderInfo.RESIZE_HORIZONTAL) != 0) {
             if (layout.isRegionVacant(info.cellX + info.spanX, info.cellY, 1, info.spanY) ||
                     layout.isRegionVacant(info.cellX - 1, info.cellY, 1, info.spanY)) {
-                actions.add(new OptionItem(mLauncher,
+                actions.add(new OptionItem(mContext,
                         R.string.action_increase_width,
                         R.drawable.ic_widget_width_increase,
                         IGNORE,
@@ -323,7 +255,7 @@
             }
 
             if (info.spanX > info.minSpanX && info.spanX > 1) {
-                actions.add(new OptionItem(mLauncher,
+                actions.add(new OptionItem(mContext,
                         R.string.action_decrease_width,
                         R.drawable.ic_widget_width_decrease,
                         IGNORE,
@@ -334,7 +266,7 @@
         if ((providerInfo.resizeMode & AppWidgetProviderInfo.RESIZE_VERTICAL) != 0) {
             if (layout.isRegionVacant(info.cellX, info.cellY + info.spanY, info.spanX, 1) ||
                     layout.isRegionVacant(info.cellX, info.cellY - 1, info.spanX, 1)) {
-                actions.add(new OptionItem(mLauncher,
+                actions.add(new OptionItem(mContext,
                         R.string.action_increase_height,
                         R.drawable.ic_widget_height_increase,
                         IGNORE,
@@ -342,7 +274,7 @@
             }
 
             if (info.spanY > info.minSpanY && info.spanY > 1) {
-                actions.add(new OptionItem(mLauncher,
+                actions.add(new OptionItem(mContext,
                         R.string.action_decrease_height,
                         R.drawable.ic_widget_height_decrease,
                         IGNORE,
@@ -382,58 +314,20 @@
         }
 
         layout.markCellsAsOccupiedForView(host);
-        WidgetSizes.updateWidgetSizeRanges(((LauncherAppWidgetHostView) host), mLauncher,
+        WidgetSizes.updateWidgetSizeRanges(((LauncherAppWidgetHostView) host), mContext,
                 info.spanX, info.spanY);
         host.requestLayout();
-        mLauncher.getModelWriter().updateItemInDatabase(info);
-        announceConfirmation(mLauncher.getString(R.string.widget_resized, info.spanX, info.spanY));
+        mContext.getModelWriter().updateItemInDatabase(info);
+        announceConfirmation(mContext.getString(R.string.widget_resized, info.spanX, info.spanY));
         return true;
     }
 
     @Thunk void announceConfirmation(int resId) {
-        announceConfirmation(mLauncher.getResources().getString(resId));
+        announceConfirmation(mContext.getResources().getString(resId));
     }
 
-    @Thunk void announceConfirmation(String confirmation) {
-        mLauncher.getDragLayer().announceForAccessibility(confirmation);
-
-    }
-
-    public boolean isInAccessibleDrag() {
-        return mDragInfo != null;
-    }
-
-    public DragInfo getDragInfo() {
-        return mDragInfo;
-    }
-
-    /**
-     * @param clickedTarget the actual view that was clicked
-     * @param dropLocation relative to {@param clickedTarget}. If provided, its center is used
-     * as the actual drop location otherwise the views center is used.
-     */
-    public void handleAccessibleDrop(View clickedTarget, Rect dropLocation,
-            String confirmation) {
-        if (!isInAccessibleDrag()) return;
-
-        int[] loc = new int[2];
-        if (dropLocation == null) {
-            loc[0] = clickedTarget.getWidth() / 2;
-            loc[1] = clickedTarget.getHeight() / 2;
-        } else {
-            loc[0] = dropLocation.centerX();
-            loc[1] = dropLocation.centerY();
-        }
-
-        mLauncher.getDragLayer().getDescendantCoordRelativeToSelf(clickedTarget, loc);
-        mLauncher.getDragController().completeAccessibleDrag(loc);
-
-        if (!TextUtils.isEmpty(confirmation)) {
-            announceConfirmation(confirmation);
-        }
-    }
-
-    private boolean beginAccessibleDrag(View item, ItemInfo info, boolean fromKeyboard) {
+    @Override
+    protected boolean beginAccessibleDrag(View item, ItemInfo info, boolean fromKeyboard) {
         if (!itemSupportsAccessibleDrag(info)) {
             return false;
         }
@@ -449,8 +343,8 @@
         }
 
         Rect pos = new Rect();
-        mLauncher.getDragLayer().getDescendantRectRelativeToSelf(item, pos);
-        mLauncher.getDragController().addDragListener(this);
+        mContext.getDragLayer().getDescendantRectRelativeToSelf(item, pos);
+        mContext.getDragController().addDragListener(this);
 
         DragOptions options = new DragOptions();
         options.isAccessibleDrag = true;
@@ -458,31 +352,20 @@
         options.simulatedDndStartPoint = new Point(pos.centerX(), pos.centerY());
 
         if (fromKeyboard) {
-            KeyboardDragAndDropView popup = (KeyboardDragAndDropView) mLauncher.getLayoutInflater()
-                    .inflate(R.layout.keyboard_drag_and_drop, mLauncher.getDragLayer(), false);
+            KeyboardDragAndDropView popup = (KeyboardDragAndDropView) mContext.getLayoutInflater()
+                    .inflate(R.layout.keyboard_drag_and_drop, mContext.getDragLayer(), false);
             popup.showForIcon(item, info, options);
         } else {
-            ItemLongClickListener.beginDrag(item, mLauncher, info, options);
+            ItemLongClickListener.beginDrag(item, mContext, info, options);
         }
         return true;
     }
 
-    @Override
-    public void onDragStart(DragObject dragObject, DragOptions options) {
-        // No-op
-    }
-
-    @Override
-    public void onDragEnd() {
-        mLauncher.getDragController().removeDragListener(this);
-        mDragInfo = null;
-    }
-
     /**
      * Find empty space on the workspace and returns the screenId.
      */
     protected int findSpaceOnWorkspace(ItemInfo info, int[] outCoordinates) {
-        Workspace workspace = mLauncher.getWorkspace();
+        Workspace workspace = mContext.getWorkspace();
         IntArray workspaceScreens = workspace.getScreenOrder();
         int screenId;
 
@@ -520,29 +403,4 @@
         }
         return screenId;
     }
-
-    public class LauncherAction {
-        public final int keyCode;
-        public final AccessibilityAction accessibilityAction;
-
-        private final LauncherAccessibilityDelegate mDelegate;
-
-        public LauncherAction(int id, int labelRes, int keyCode) {
-            this.keyCode = keyCode;
-            accessibilityAction = new AccessibilityAction(id, mLauncher.getString(labelRes));
-            mDelegate = LauncherAccessibilityDelegate.this;
-        }
-
-        /**
-         * Invokes the action for the provided host
-         */
-        public boolean invokeFromKeyboard(View host) {
-            if (host != null && host.getTag() instanceof ItemInfo) {
-                return mDelegate.performAction(
-                        host, (ItemInfo) host.getTag(), accessibilityAction.getId(), true);
-            } else {
-                return false;
-            }
-        }
-    }
 }
diff --git a/src/com/android/launcher3/accessibility/ShortcutMenuAccessibilityDelegate.java b/src/com/android/launcher3/accessibility/ShortcutMenuAccessibilityDelegate.java
index bf5a24b..fb847ec 100644
--- a/src/com/android/launcher3/accessibility/ShortcutMenuAccessibilityDelegate.java
+++ b/src/com/android/launcher3/accessibility/ShortcutMenuAccessibilityDelegate.java
@@ -71,12 +71,12 @@
             if (screenId == -1) {
                 return false;
             }
-            mLauncher.getStateManager().goToState(NORMAL, true, forSuccessCallback(() -> {
-                mLauncher.getModelWriter().addItemToDatabase(info,
+            mContext.getStateManager().goToState(NORMAL, true, forSuccessCallback(() -> {
+                mContext.getModelWriter().addItemToDatabase(info,
                         LauncherSettings.Favorites.CONTAINER_DESKTOP,
                         screenId, coordinates[0], coordinates[1]);
-                mLauncher.bindItems(Collections.singletonList(info), true);
-                AbstractFloatingView.closeAllOpenViews(mLauncher);
+                mContext.bindItems(Collections.singletonList(info), true);
+                AbstractFloatingView.closeAllOpenViews(mContext);
                 announceConfirmation(R.string.item_added_to_workspace);
             }));
             return true;
diff --git a/src/com/android/launcher3/accessibility/WorkspaceAccessibilityHelper.java b/src/com/android/launcher3/accessibility/WorkspaceAccessibilityHelper.java
index a331924..a8624dd 100644
--- a/src/com/android/launcher3/accessibility/WorkspaceAccessibilityHelper.java
+++ b/src/com/android/launcher3/accessibility/WorkspaceAccessibilityHelper.java
@@ -22,7 +22,7 @@
 
 import com.android.launcher3.CellLayout;
 import com.android.launcher3.R;
-import com.android.launcher3.accessibility.LauncherAccessibilityDelegate.DragType;
+import com.android.launcher3.accessibility.BaseAccessibilityDelegate.DragType;
 import com.android.launcher3.model.data.AppInfo;
 import com.android.launcher3.model.data.FolderInfo;
 import com.android.launcher3.model.data.ItemInfo;
diff --git a/src/com/android/launcher3/anim/RevealOutlineAnimation.java b/src/com/android/launcher3/anim/RevealOutlineAnimation.java
index f99dabc..f5a746f 100644
--- a/src/com/android/launcher3/anim/RevealOutlineAnimation.java
+++ b/src/com/android/launcher3/anim/RevealOutlineAnimation.java
@@ -26,9 +26,27 @@
     /** Sets the progress, from 0 to 1, of the reveal animation. */
     abstract void setProgress(float progress);
 
+    /**
+     * @see #createRevealAnimator(View, boolean, float) where startProgress is set to 0.
+     */
     public ValueAnimator createRevealAnimator(final View revealView, boolean isReversed) {
-        ValueAnimator va =
-                isReversed ? ValueAnimator.ofFloat(1f, 0f) : ValueAnimator.ofFloat(0f, 1f);
+        return createRevealAnimator(revealView, isReversed, 0f /* startProgress */);
+    }
+
+    /**
+     * Animates the given View's ViewOutline according to {@link #setProgress(float)}.
+     * @param revealView The View whose outline we are animating.
+     * @param isReversed Whether we are hiding rather than revealing the View.
+     * @param startProgress The progress at which to start the newly created animation. Useful if
+     * the previous reveal animation was cancelled and we want to create a new animation where it
+     * left off. Note that if isReversed=true, we start at 1 - startProgress (and go to 0).
+     * @return The Animator, which the caller must start.
+     */
+    public ValueAnimator createRevealAnimator(final View revealView, boolean isReversed,
+            float startProgress) {
+        ValueAnimator va = isReversed
+                ? ValueAnimator.ofFloat(1f - startProgress, 0f)
+                : ValueAnimator.ofFloat(startProgress, 1f);
         final float elevation = revealView.getElevation();
 
         va.addListener(new AnimatorListenerAdapter() {
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index 98cb5ae..1fa6360 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -95,6 +95,9 @@
     public static final BooleanFlag ENABLE_ONE_SEARCH = new DeviceFlag("ENABLE_ONE_SEARCH", false,
             "Use homescreen search box to complete allApps searches");
 
+    public static final BooleanFlag COLLECT_SEARCH_HISTORY = new DeviceFlag(
+            "COLLECT_SEARCH_HISTORY", false, "Allow launcher to collect search history for log");
+
     public static final BooleanFlag ENABLE_TWOLINE_ALLAPPS = getDebugFlag(
             "ENABLE_TWOLINE_ALLAPPS", false, "Enables two line label inside all apps.");
 
diff --git a/src/com/android/launcher3/dragndrop/DragView.java b/src/com/android/launcher3/dragndrop/DragView.java
index fa65945..8313571 100644
--- a/src/com/android/launcher3/dragndrop/DragView.java
+++ b/src/com/android/launcher3/dragndrop/DragView.java
@@ -21,6 +21,7 @@
 
 import static com.android.launcher3.LauncherAnimUtils.VIEW_ALPHA;
 import static com.android.launcher3.Utilities.getBadge;
+import static com.android.launcher3.icons.FastBitmapDrawable.getDisabledColorFilter;
 import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
 
 import android.animation.Animator;
@@ -31,9 +32,9 @@
 import android.animation.ValueAnimator.AnimatorUpdateListener;
 import android.annotation.TargetApi;
 import android.content.Context;
-import android.graphics.Bitmap;
 import android.graphics.Canvas;
 import android.graphics.Color;
+import android.graphics.ColorFilter;
 import android.graphics.Path;
 import android.graphics.Picture;
 import android.graphics.Point;
@@ -225,9 +226,8 @@
                 bounds.inset(blurMargin, blurMargin);
                 // 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(mActivity, info, outObj[0]);
-                mBadge.setBounds(badgeBounds);
+                FastBitmapDrawable.setBadgeBounds(mBadge, bounds);
 
                 // Do not draw the background in case of folder as its translucent
                 final boolean shouldDrawBackground = !(dr instanceof FolderAdaptiveIcon);
@@ -280,11 +280,10 @@
                     removeAllViewsInLayout();
 
                     if (info.isDisabled()) {
-                        FastBitmapDrawable d = new FastBitmapDrawable((Bitmap) null);
-                        d.setIsDisabled(true);
-                        mBgSpringDrawable.setColorFilter(d.getColorFilter());
-                        mFgSpringDrawable.setColorFilter(d.getColorFilter());
-                        mBadge.setColorFilter(d.getColorFilter());
+                        ColorFilter filter = getDisabledColorFilter();
+                        mBgSpringDrawable.setColorFilter(filter);
+                        mFgSpringDrawable.setColorFilter(filter);
+                        mBadge.setColorFilter(filter);
                     }
                     invalidate();
                 }));
diff --git a/src/com/android/launcher3/folder/PreviewItemManager.java b/src/com/android/launcher3/folder/PreviewItemManager.java
index 8bef6ad..6355b62 100644
--- a/src/com/android/launcher3/folder/PreviewItemManager.java
+++ b/src/com/android/launcher3/folder/PreviewItemManager.java
@@ -21,6 +21,7 @@
 import static com.android.launcher3.folder.ClippedFolderIconLayoutRule.MAX_NUM_ITEMS_IN_PREVIEW;
 import static com.android.launcher3.folder.FolderIcon.DROP_IN_ANIMATION_DURATION;
 import static com.android.launcher3.graphics.PreloadIconDrawable.newPendingIcon;
+import static com.android.launcher3.icons.BitmapInfo.FLAG_THEMED;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
@@ -429,7 +430,7 @@
             drawable.setLevel(item.getProgressLevel());
             p.drawable = drawable;
         } else {
-            p.drawable = item.newIcon(mContext, true);
+            p.drawable = item.newIcon(mContext, FLAG_THEMED);
         }
         p.drawable.setBounds(0, 0, mIconSize, mIconSize);
         p.item = item;
diff --git a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
index 73e18f4..abf002f 100644
--- a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
+++ b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
@@ -43,7 +43,6 @@
 import android.os.Build;
 import android.os.Handler;
 import android.os.Looper;
-import android.os.Process;
 import android.util.AttributeSet;
 import android.util.SparseIntArray;
 import android.view.ContextThemeWrapper;
@@ -202,10 +201,10 @@
 
         BaseIconFactory iconFactory =
                 new BaseIconFactory(context, mIdp.fillResIconDpi, mIdp.iconBitmapSize) { };
-        BitmapInfo iconInfo = iconFactory.createBadgedIconBitmap(new AdaptiveIconDrawable(
-                        new ColorDrawable(Color.WHITE), new ColorDrawable(Color.WHITE)),
-                Process.myUserHandle(),
-                Build.VERSION.SDK_INT);
+        BitmapInfo iconInfo = iconFactory.createBadgedIconBitmap(
+                new AdaptiveIconDrawable(
+                        new ColorDrawable(Color.WHITE),
+                        new ColorDrawable(Color.WHITE)));
 
         mWorkspaceItemInfo = new WorkspaceItemInfo();
         mWorkspaceItemInfo.bitmap = iconInfo;
diff --git a/src/com/android/launcher3/icons/ComponentWithLabelAndIcon.java b/src/com/android/launcher3/icons/ComponentWithLabelAndIcon.java
index 248a57d..c8606b1 100644
--- a/src/com/android/launcher3/icons/ComponentWithLabelAndIcon.java
+++ b/src/com/android/launcher3/icons/ComponentWithLabelAndIcon.java
@@ -21,6 +21,7 @@
 import androidx.annotation.NonNull;
 
 import com.android.launcher3.LauncherAppState;
+import com.android.launcher3.icons.BaseIconFactory.IconOptions;
 
 /**
  * Extension of ComponentWithLabel to also support loading icons
@@ -47,7 +48,7 @@
                 return super.loadIcon(context, object);
             }
             try (LauncherIcons li = LauncherIcons.obtain(context)) {
-                return li.createBadgedIconBitmap(d, object.getUser(), 0);
+                return li.createBadgedIconBitmap(d, new IconOptions().setUser(object.getUser()));
             }
         }
     }
diff --git a/src/com/android/launcher3/icons/IconCache.java b/src/com/android/launcher3/icons/IconCache.java
index 936eeb9..f512ced 100644
--- a/src/com/android/launcher3/icons/IconCache.java
+++ b/src/com/android/launcher3/icons/IconCache.java
@@ -216,14 +216,7 @@
      * Fill in {@param info} with the icon for {@param si}
      */
     public void getShortcutIcon(ItemInfoWithIcon info, ShortcutInfo si) {
-        getShortcutIcon(info, si, true, mIsUsingFallbackOrNonDefaultIconCheck);
-    }
-
-    /**
-     * Fill in {@param info} with an unbadged icon for {@param si}
-     */
-    public void getUnbadgedShortcutIcon(ItemInfoWithIcon info, ShortcutInfo si) {
-        getShortcutIcon(info, si, false, mIsUsingFallbackOrNonDefaultIconCheck);
+        getShortcutIcon(info, si, mIsUsingFallbackOrNonDefaultIconCheck);
     }
 
     /**
@@ -232,11 +225,6 @@
      */
     public <T extends ItemInfoWithIcon> void getShortcutIcon(T info, ShortcutInfo si,
             @NonNull Predicate<T> fallbackIconCheck) {
-        getShortcutIcon(info, si, true /* use badged */, fallbackIconCheck);
-    }
-
-    private synchronized <T extends ItemInfoWithIcon> void getShortcutIcon(T info, ShortcutInfo si,
-            boolean useBadged, @NonNull Predicate<T> fallbackIconCheck) {
         BitmapInfo bitmapInfo;
         if (FeatureFlags.ENABLE_DEEP_SHORTCUT_ICON_CACHE.get()) {
             bitmapInfo = cacheLocked(ShortcutKey.fromInfo(si).componentName, si.getUserHandle(),
@@ -252,13 +240,7 @@
         if (isDefaultIcon(bitmapInfo, si.getUserHandle()) && fallbackIconCheck.test(info)) {
             return;
         }
-        info.bitmap = bitmapInfo;
-        if (useBadged) {
-            BitmapInfo badgeInfo = getShortcutInfoBadge(si);
-            try (LauncherIcons li = LauncherIcons.obtain(mContext)) {
-                info.bitmap = li.badgeBitmap(info.bitmap.icon, badgeInfo);
-            }
-        }
+        info.bitmap = bitmapInfo.withBadgeInfo(getShortcutInfoBadge(si));
     }
 
     /**
diff --git a/src/com/android/launcher3/icons/LauncherActivityCachingLogic.java b/src/com/android/launcher3/icons/LauncherActivityCachingLogic.java
index e820ac4..4b8c1ad 100644
--- a/src/com/android/launcher3/icons/LauncherActivityCachingLogic.java
+++ b/src/com/android/launcher3/icons/LauncherActivityCachingLogic.java
@@ -22,6 +22,7 @@
 
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.R;
+import com.android.launcher3.icons.BaseIconFactory.IconOptions;
 import com.android.launcher3.icons.cache.CachingLogic;
 import com.android.launcher3.util.ResourceBasedOverride;
 
@@ -59,7 +60,7 @@
         try (LauncherIcons li = LauncherIcons.obtain(context)) {
             return li.createBadgedIconBitmap(LauncherAppState.getInstance(context)
                             .getIconProvider().getIcon(object, li.mFillResIconDpi),
-                    object.getUser(), object.getApplicationInfo().targetSdkVersion);
+                    new IconOptions().setUser(object.getUser()));
         }
     }
 }
diff --git a/src/com/android/launcher3/icons/ShortcutCachingLogic.java b/src/com/android/launcher3/icons/ShortcutCachingLogic.java
index d7eed06..6a8f34a 100644
--- a/src/com/android/launcher3/icons/ShortcutCachingLogic.java
+++ b/src/com/android/launcher3/icons/ShortcutCachingLogic.java
@@ -71,8 +71,8 @@
             Drawable unbadgedDrawable = ShortcutCachingLogic.getIcon(
                     context, info, LauncherAppState.getIDP(context).fillResIconDpi);
             if (unbadgedDrawable == null) return BitmapInfo.LOW_RES_INFO;
-            return new BitmapInfo(li.createScaledBitmapWithoutShadow(
-                    unbadgedDrawable, 0), Themes.getColorAccent(context));
+            return new BitmapInfo(li.createScaledBitmapWithoutShadow(unbadgedDrawable),
+                    Themes.getColorAccent(context));
         }
     }
 
diff --git a/src/com/android/launcher3/model/BgDataModel.java b/src/com/android/launcher3/model/BgDataModel.java
index 13ad90e..84612de 100644
--- a/src/com/android/launcher3/model/BgDataModel.java
+++ b/src/com/android/launcher3/model/BgDataModel.java
@@ -31,6 +31,8 @@
 import android.util.ArraySet;
 import android.util.Log;
 
+import androidx.annotation.Nullable;
+
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.Workspace;
@@ -215,6 +217,18 @@
     }
 
     public synchronized void addItem(Context context, ItemInfo item, boolean newItem) {
+        addItem(context, item, newItem, null);
+    }
+
+    public synchronized void addItem(
+            Context context, ItemInfo item, boolean newItem, @Nullable LoaderMemoryLogger logger) {
+        if (logger != null) {
+            logger.addLog(
+                    Log.DEBUG,
+                    TAG,
+                    String.format("Adding item to ID map: %s", item.toString()),
+                    /* stackTrace= */ null);
+        }
         itemsIdMap.put(item.id, item);
         switch (item.itemType) {
             case LauncherSettings.Favorites.ITEM_TYPE_FOLDER:
diff --git a/src/com/android/launcher3/model/LoaderCursor.java b/src/com/android/launcher3/model/LoaderCursor.java
index 47df538..08b38e8 100644
--- a/src/com/android/launcher3/model/LoaderCursor.java
+++ b/src/com/android/launcher3/model/LoaderCursor.java
@@ -383,18 +383,23 @@
         info.cellY = getInt(cellYIndex);
     }
 
+    public void checkAndAddItem(ItemInfo info, BgDataModel dataModel) {
+        checkAndAddItem(info, dataModel, null);
+    }
+
     /**
      * Adds the {@param info} to {@param dataModel} if it does not overlap with any other item,
      * otherwise marks it for deletion.
      */
-    public void checkAndAddItem(ItemInfo info, BgDataModel dataModel) {
+    public void checkAndAddItem(
+            ItemInfo info, BgDataModel dataModel, LoaderMemoryLogger logger) {
         if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
             // Ensure that it is a valid intent. An exception here will
             // cause the item loading to get skipped
             ShortcutKey.fromItemInfo(info);
         }
         if (checkItemPlacement(info)) {
-            dataModel.addItem(mContext, info, false);
+            dataModel.addItem(mContext, info, false, logger);
         } else {
             markDeleted("Item position overlap");
         }
diff --git a/src/com/android/launcher3/model/LoaderMemoryLogger.java b/src/com/android/launcher3/model/LoaderMemoryLogger.java
new file mode 100644
index 0000000..f48efcb
--- /dev/null
+++ b/src/com/android/launcher3/model/LoaderMemoryLogger.java
@@ -0,0 +1,91 @@
+/*
+ * 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.model;
+
+import android.util.Log;
+
+import androidx.annotation.Nullable;
+
+import java.util.ArrayList;
+
+/**
+ * Helper logger that collects logs while {@code LoaderTask#run} executes and prints them all iff
+ * an exception is caught in {@code LoaderTask#run}.
+ */
+public class LoaderMemoryLogger {
+
+    private static final String TAG = "LoaderMemoryLogger";
+
+    private final ArrayList<LogEntry> mLogEntries = new ArrayList<>();
+
+    protected LoaderMemoryLogger() {}
+
+    protected void addLog(int logLevel, String tag, String log) {
+        addLog(logLevel, tag, log, null);
+    }
+
+    protected void addLog(
+            int logLevel, String tag, String log, Exception stackTrace) {
+        switch (logLevel) {
+            case Log.ASSERT:
+            case Log.ERROR:
+            case Log.DEBUG:
+            case Log.INFO:
+            case Log.VERBOSE:
+            case Log.WARN:
+                mLogEntries.add(new LogEntry(logLevel, tag, log, stackTrace));
+                break;
+            default:
+                throw new IllegalArgumentException("Invalid log level provided: " + logLevel);
+
+        }
+    }
+
+    protected void clearLogs() {
+        mLogEntries.clear();
+    }
+
+    protected void printLogs() {
+        for (LogEntry logEntry : mLogEntries) {
+            String tag = String.format("%s: %s", TAG, logEntry.mLogTag);
+            String logString = logEntry.mStackStrace == null
+                    ? logEntry.mLogString
+                    : String.format(
+                            "%s\n%s",
+                            logEntry.mLogString,
+                            Log.getStackTraceString(logEntry.mStackStrace));
+
+            Log.println(logEntry.mLogLevel, tag, logString);
+        }
+        clearLogs();
+    }
+
+    private static class LogEntry {
+
+        protected final int mLogLevel;
+        protected final String mLogTag;
+        protected final String mLogString;
+        @Nullable protected final Exception mStackStrace;
+
+        protected LogEntry(
+                int logLevel, String logTag, String logString, @Nullable Exception stackStrace) {
+            mLogLevel = logLevel;
+            mLogTag = logTag;
+            mLogString = logString;
+            mStackStrace = stackStrace;
+        }
+    }
+}
diff --git a/src/com/android/launcher3/model/LoaderTask.java b/src/com/android/launcher3/model/LoaderTask.java
index a4f6f7a..2a0f9a6 100644
--- a/src/com/android/launcher3/model/LoaderTask.java
+++ b/src/com/android/launcher3/model/LoaderTask.java
@@ -52,6 +52,8 @@
 import android.util.LongSparseArray;
 import android.util.TimingLogger;
 
+import androidx.annotation.Nullable;
+
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.LauncherAppState;
@@ -197,11 +199,12 @@
 
         Object traceToken = TraceHelper.INSTANCE.beginSection(TAG);
         TimingLogger logger = new TimingLogger(TAG, "run");
+        LoaderMemoryLogger memoryLogger = new LoaderMemoryLogger();
         try (LauncherModel.LoaderTransaction transaction = mApp.getModel().beginLoader(this)) {
             List<ShortcutInfo> allShortcuts = new ArrayList<>();
             Trace.beginSection("LoadWorkspace");
             try {
-                loadWorkspace(allShortcuts);
+                loadWorkspace(allShortcuts, memoryLogger);
             } finally {
                 Trace.endSection();
             }
@@ -311,9 +314,13 @@
 
             mModelDelegate.modelLoadComplete();
             transaction.commit();
+            memoryLogger.clearLogs();
         } catch (CancellationException e) {
             // Loader stopped, ignore
             logASplit(logger, "Cancelled");
+        } catch (Exception e) {
+            memoryLogger.printLogs();
+            throw e;
         } finally {
             logger.dumpToLog();
         }
@@ -325,13 +332,21 @@
         this.notify();
     }
 
-    private void loadWorkspace(List<ShortcutInfo> allDeepShortcuts) {
+    private void loadWorkspace(List<ShortcutInfo> allDeepShortcuts, LoaderMemoryLogger logger) {
         loadWorkspace(allDeepShortcuts, LauncherSettings.Favorites.CONTENT_URI,
-                null /* selection */);
+                null /* selection */, logger);
     }
 
-    protected void loadWorkspace(List<ShortcutInfo> allDeepShortcuts, Uri contentUri,
-            String selection) {
+    protected void loadWorkspace(
+            List<ShortcutInfo> allDeepShortcuts, Uri contentUri, String selection) {
+        loadWorkspace(allDeepShortcuts, contentUri, selection, null);
+    }
+
+    protected void loadWorkspace(
+            List<ShortcutInfo> allDeepShortcuts,
+            Uri contentUri,
+            String selection,
+            @Nullable LoaderMemoryLogger logger) {
         final Context context = mApp.getContext();
         final ContentResolver contentResolver = context.getContentResolver();
         final PackageManagerHelper pmHelper = new PackageManagerHelper(context);
@@ -635,7 +650,7 @@
                                         }
                                 }
 
-                                c.checkAndAddItem(info, mBgDataModel);
+                                c.checkAndAddItem(info, mBgDataModel, logger);
                             } else {
                                 throw new RuntimeException("Unexpected null WorkspaceItemInfo");
                             }
@@ -654,7 +669,7 @@
                             // no special handling required for restored folders
                             c.markRestored();
 
-                            c.checkAndAddItem(folderInfo, mBgDataModel);
+                            c.checkAndAddItem(folderInfo, mBgDataModel, logger);
                             break;
 
                         case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET:
diff --git a/src/com/android/launcher3/model/data/ItemInfo.java b/src/com/android/launcher3/model/data/ItemInfo.java
index b72f462..e30829e 100644
--- a/src/com/android/launcher3/model/data/ItemInfo.java
+++ b/src/com/android/launcher3/model/data/ItemInfo.java
@@ -25,6 +25,7 @@
 import static com.android.launcher3.LauncherSettings.Favorites.CONTAINER_SETTINGS;
 import static com.android.launcher3.LauncherSettings.Favorites.CONTAINER_SHORTCUTS;
 import static com.android.launcher3.LauncherSettings.Favorites.CONTAINER_TASKSWITCHER;
+import static com.android.launcher3.LauncherSettings.Favorites.CONTAINER_WALLPAPERS;
 import static com.android.launcher3.LauncherSettings.Favorites.CONTAINER_WIDGETS_TRAY;
 import static com.android.launcher3.LauncherSettings.Favorites.EXTENDED_CONTAINERS;
 import static com.android.launcher3.LauncherSettings.Favorites.ITEM_TYPE_APPLICATION;
@@ -55,6 +56,7 @@
 import com.android.launcher3.logger.LauncherAtom.Shortcut;
 import com.android.launcher3.logger.LauncherAtom.ShortcutsContainer;
 import com.android.launcher3.logger.LauncherAtom.TaskSwitcherContainer;
+import com.android.launcher3.logger.LauncherAtom.WallpapersContainer;
 import com.android.launcher3.logger.LauncherAtomExtensions.ExtendedContainers;
 import com.android.launcher3.model.ModelWriter;
 import com.android.launcher3.util.ContentWriter;
@@ -428,6 +430,10 @@
                 return ContainerInfo.newBuilder()
                         .setTaskSwitcherContainer(TaskSwitcherContainer.getDefaultInstance())
                         .build();
+            case CONTAINER_WALLPAPERS:
+                return ContainerInfo.newBuilder()
+                        .setWallpapersContainer(WallpapersContainer.getDefaultInstance())
+                        .build();
             case EXTENDED_CONTAINERS:
                 return ContainerInfo.newBuilder()
                         .setExtendedContainers(getExtendedContainer())
diff --git a/src/com/android/launcher3/model/data/ItemInfoWithIcon.java b/src/com/android/launcher3/model/data/ItemInfoWithIcon.java
index a74c02f..19345d7 100644
--- a/src/com/android/launcher3/model/data/ItemInfoWithIcon.java
+++ b/src/com/android/launcher3/model/data/ItemInfoWithIcon.java
@@ -23,6 +23,7 @@
 import androidx.annotation.Nullable;
 
 import com.android.launcher3.icons.BitmapInfo;
+import com.android.launcher3.icons.BitmapInfo.DrawableCreationFlags;
 import com.android.launcher3.icons.FastBitmapDrawable;
 import com.android.launcher3.logging.FileLog;
 import com.android.launcher3.pm.PackageInstallInfo;
@@ -230,15 +231,14 @@
      * Returns a FastBitmapDrawable with the icon.
      */
     public FastBitmapDrawable newIcon(Context context) {
-        return newIcon(context, false);
+        return newIcon(context, 0);
     }
 
     /**
      * Returns a FastBitmapDrawable with the icon and context theme applied
      */
-    public FastBitmapDrawable newIcon(Context context, boolean applyTheme) {
-        FastBitmapDrawable drawable = applyTheme
-                ? bitmap.newThemedIcon(context) : bitmap.newIcon(context);
+    public FastBitmapDrawable newIcon(Context context, @DrawableCreationFlags int creationFlags) {
+        FastBitmapDrawable drawable = bitmap.newIcon(context, creationFlags);
         drawable.setIsDisabled(isDisabled());
         return drawable;
     }
diff --git a/src/com/android/launcher3/model/data/SearchActionItemInfo.java b/src/com/android/launcher3/model/data/SearchActionItemInfo.java
index c6e5e8a..cc22601 100644
--- a/src/com/android/launcher3/model/data/SearchActionItemInfo.java
+++ b/src/com/android/launcher3/model/data/SearchActionItemInfo.java
@@ -28,7 +28,6 @@
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherModel;
 import com.android.launcher3.LauncherSettings;
-import com.android.launcher3.icons.LauncherIcons;
 import com.android.launcher3.logger.LauncherAtom.ItemInfo;
 import com.android.launcher3.logger.LauncherAtom.SearchActionItem;
 import com.android.launcher3.model.AllAppsList;
@@ -176,9 +175,7 @@
                 model.updateAndBindWorkspaceItem(() -> {
                     PackageItemInfo pkgInfo = new PackageItemInfo(getIntentPackageName(), user);
                     app.getIconCache().getTitleAndIconForApp(pkgInfo, false);
-                    try (LauncherIcons li = LauncherIcons.obtain(app.getContext())) {
-                        info.bitmap = li.badgeBitmap(info.bitmap.icon, pkgInfo.bitmap);
-                    }
+                    info.bitmap = info.bitmap.withBadgeInfo(pkgInfo.bitmap);
                     return info;
                 });
             }
diff --git a/src/com/android/launcher3/popup/LauncherPopupLiveUpdateHandler.java b/src/com/android/launcher3/popup/LauncherPopupLiveUpdateHandler.java
index 731f439..3e3f633 100644
--- a/src/com/android/launcher3/popup/LauncherPopupLiveUpdateHandler.java
+++ b/src/com/android/launcher3/popup/LauncherPopupLiveUpdateHandler.java
@@ -18,6 +18,7 @@
 import android.view.View;
 import android.view.ViewGroup;
 
+import com.android.launcher3.BubbleTextView;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
 import com.android.launcher3.model.data.ItemInfo;
@@ -86,4 +87,9 @@
             }
         }
     }
+
+    @Override
+    protected void showPopupContainerForIcon(BubbleTextView originalIcon) {
+        PopupContainerWithArrow.showForIcon(originalIcon);
+    }
 }
diff --git a/src/com/android/launcher3/popup/PopupContainerWithArrow.java b/src/com/android/launcher3/popup/PopupContainerWithArrow.java
index aa8c70b..0097705 100644
--- a/src/com/android/launcher3/popup/PopupContainerWithArrow.java
+++ b/src/com/android/launcher3/popup/PopupContainerWithArrow.java
@@ -152,6 +152,10 @@
         };
     }
 
+    public void setPopupItemDragHandler(PopupItemDragHandler popupItemDragHandler) {
+        mPopupItemDragHandler = popupItemDragHandler;
+    }
+
     public PopupItemDragHandler getItemDragHandler() {
         return mPopupItemDragHandler;
     }
diff --git a/src/com/android/launcher3/popup/PopupLiveUpdateHandler.java b/src/com/android/launcher3/popup/PopupLiveUpdateHandler.java
index 194c22f..c5d5452 100644
--- a/src/com/android/launcher3/popup/PopupLiveUpdateHandler.java
+++ b/src/com/android/launcher3/popup/PopupLiveUpdateHandler.java
@@ -20,6 +20,7 @@
 import android.content.Context;
 import android.view.View;
 
+import com.android.launcher3.BubbleTextView;
 import com.android.launcher3.dot.DotInfo;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.notification.NotificationContainer;
@@ -36,7 +37,7 @@
  *
  * @param <T> The activity on which the popup shows
  */
-public class PopupLiveUpdateHandler<T extends Context & ActivityContext> implements
+public abstract class PopupLiveUpdateHandler<T extends Context & ActivityContext> implements
         PopupDataProvider.PopupDataChangeListener, View.OnAttachStateChangeListener {
 
     protected final T mContext;
@@ -103,6 +104,8 @@
     @Override
     public void onSystemShortcutsUpdated() {
         mPopupContainerWithArrow.close(true);
-        PopupContainerWithArrow.showForIcon(mPopupContainerWithArrow.getOriginalIcon());
+        showPopupContainerForIcon(mPopupContainerWithArrow.getOriginalIcon());
     }
+
+    protected abstract void showPopupContainerForIcon(BubbleTextView originalIcon);
 }
diff --git a/src/com/android/launcher3/popup/PopupPopulator.java b/src/com/android/launcher3/popup/PopupPopulator.java
index 1dce1f2..8be4e6c 100644
--- a/src/com/android/launcher3/popup/PopupPopulator.java
+++ b/src/com/android/launcher3/popup/PopupPopulator.java
@@ -162,7 +162,7 @@
             for (int i = 0; i < shortcuts.size() && i < shortcutViews.size(); i++) {
                 final ShortcutInfo shortcut = shortcuts.get(i);
                 final WorkspaceItemInfo si = new WorkspaceItemInfo(shortcut, context);
-                cache.getUnbadgedShortcutIcon(si, shortcut);
+                cache.getShortcutIcon(si, shortcut);
                 si.rank = i;
                 si.container = CONTAINER_SHORTCUTS;
 
diff --git a/src/com/android/launcher3/popup/SystemShortcut.java b/src/com/android/launcher3/popup/SystemShortcut.java
index 5ebbc67..08d3779 100644
--- a/src/com/android/launcher3/popup/SystemShortcut.java
+++ b/src/com/android/launcher3/popup/SystemShortcut.java
@@ -41,8 +41,8 @@
         implements View.OnClickListener {
 
     private final int mIconResId;
-    private final int mLabelResId;
-    private final int mAccessibilityActionId;
+    protected final int mLabelResId;
+    protected int mAccessibilityActionId;
 
     protected final T mTarget;
     protected final ItemInfo mItemInfo;
@@ -142,11 +142,43 @@
 
     public static class AppInfo<T extends Context & ActivityContext> extends SystemShortcut<T> {
 
+        @Nullable
+        private SplitAccessibilityInfo mSplitA11yInfo;
+
         public AppInfo(T target, ItemInfo itemInfo) {
             super(R.drawable.ic_info_no_shadow, R.string.app_info_drop_target_label, target,
                     itemInfo);
         }
 
+        /**
+         * Constructor used by overview for staged split to provide custom A11y information.
+         *
+         * Future improvements considerations:
+         * Have the logic in {@link #createAccessibilityAction(Context)} be moved to super
+         * call in {@link SystemShortcut#createAccessibilityAction(Context)} by having
+         * SystemShortcut be aware of TaskContainers and staged split.
+         * That way it could directly create the correct node info for any shortcut that supports
+         * split, but then we'll need custom resIDs for each pair of shortcuts.
+         */
+        public AppInfo(T target, ItemInfo itemInfo, SplitAccessibilityInfo accessibilityInfo) {
+            this(target, itemInfo);
+            mSplitA11yInfo = accessibilityInfo;
+            mAccessibilityActionId = accessibilityInfo.nodeId;
+        }
+
+        @Override
+        public AccessibilityNodeInfo.AccessibilityAction createAccessibilityAction(
+                Context context) {
+            if (mSplitA11yInfo != null && mSplitA11yInfo.containsMultipleTasks) {
+                String accessibilityLabel = context.getString(R.string.split_app_info_accessibility,
+                        mSplitA11yInfo.taskTitle);
+                return new AccessibilityNodeInfo.AccessibilityAction(mAccessibilityActionId,
+                        accessibilityLabel);
+            } else {
+                return super.createAccessibilityAction(context);
+            }
+        }
+
         @Override
         public void onClick(View view) {
             dismissTaskMenuView(mTarget);
@@ -156,6 +188,19 @@
             mTarget.getStatsLogManager().logger().withItemInfo(mItemInfo)
                     .log(LAUNCHER_SYSTEM_SHORTCUT_APP_INFO_TAP);
         }
+
+        public static class SplitAccessibilityInfo {
+            public final boolean containsMultipleTasks;
+            public final CharSequence taskTitle;
+            public final int nodeId;
+
+            public SplitAccessibilityInfo(boolean containsMultipleTasks,
+                    CharSequence taskTitle, int nodeId) {
+                this.containsMultipleTasks = containsMultipleTasks;
+                this.taskTitle = taskTitle;
+                this.nodeId = nodeId;
+            }
+        }
     }
 
     public static final Factory<BaseDraggingActivity> INSTALL = (activity, itemInfo) -> {
diff --git a/src/com/android/launcher3/shortcuts/DeepShortcutView.java b/src/com/android/launcher3/shortcuts/DeepShortcutView.java
index 71d288c..2f17ce0 100644
--- a/src/com/android/launcher3/shortcuts/DeepShortcutView.java
+++ b/src/com/android/launcher3/shortcuts/DeepShortcutView.java
@@ -72,6 +72,7 @@
     protected void onFinishInflate() {
         super.onFinishInflate();
         mBubbleText = findViewById(R.id.bubble_text);
+        mBubbleText.setHideBadge(true);
         mIconView = findViewById(R.id.icon);
         tryUpdateTextBackground();
     }
diff --git a/src/com/android/launcher3/shortcuts/ShortcutDragPreviewProvider.java b/src/com/android/launcher3/shortcuts/ShortcutDragPreviewProvider.java
index cecbb0d..c166bfc 100644
--- a/src/com/android/launcher3/shortcuts/ShortcutDragPreviewProvider.java
+++ b/src/com/android/launcher3/shortcuts/ShortcutDragPreviewProvider.java
@@ -23,12 +23,12 @@
 import android.graphics.drawable.Drawable;
 import android.view.View;
 
-import com.android.launcher3.Launcher;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.graphics.DragPreviewProvider;
 import com.android.launcher3.icons.BitmapRenderer;
 import com.android.launcher3.icons.FastBitmapDrawable;
+import com.android.launcher3.views.ActivityContext;
 
 /**
  * Extension of {@link DragPreviewProvider} which generates bitmaps scaled to the default icon size.
@@ -45,7 +45,8 @@
     @Override
     public Drawable createDrawable() {
         if (FeatureFlags.ENABLE_DEEP_SHORTCUT_ICON_CACHE.get()) {
-            int size = Launcher.getLauncher(mView.getContext()).getDeviceProfile().iconSizePx;
+            int size = ActivityContext.lookupContext(mView.getContext())
+                    .getDeviceProfile().iconSizePx;
             return new FastBitmapDrawable(
                     BitmapRenderer.createHardwareBitmap(
                             size + blurSizeOutline,
@@ -59,7 +60,7 @@
     private Bitmap createDragBitmapLegacy() {
         Drawable d = mView.getBackground();
         Rect bounds = getDrawableBounds(d);
-        int size = Launcher.getLauncher(mView.getContext()).getDeviceProfile().iconSizePx;
+        int size = ActivityContext.lookupContext(mView.getContext()).getDeviceProfile().iconSizePx;
         final Bitmap b = Bitmap.createBitmap(
                 size + blurSizeOutline,
                 size + blurSizeOutline,
@@ -84,9 +85,9 @@
 
     @Override
     public float getScaleAndPosition(Drawable preview, int[] outPos) {
-        Launcher launcher = Launcher.getLauncher(mView.getContext());
+        ActivityContext context = ActivityContext.lookupContext(mView.getContext());
         int iconSize = getDrawableBounds(mView.getBackground()).width();
-        float scale = launcher.getDragLayer().getLocationInDragLayer(mView, outPos);
+        float scale = context.getDragLayer().getLocationInDragLayer(mView, outPos);
 
         int iconLeft = mView.getPaddingStart();
         if (Utilities.isRtl(mView.getResources())) {
@@ -98,7 +99,7 @@
                         + mPositionShift.x);
         outPos[1] += Math.round((scale * mView.getHeight() - preview.getIntrinsicHeight()) / 2
                 + mPositionShift.y);
-        float size = launcher.getDeviceProfile().iconSizePx;
+        float size = context.getDeviceProfile().iconSizePx;
         return scale * iconSize / size;
     }
 }
diff --git a/src/com/android/launcher3/states/SpringLoadedState.java b/src/com/android/launcher3/states/SpringLoadedState.java
index 5fe5450..d52594e 100644
--- a/src/com/android/launcher3/states/SpringLoadedState.java
+++ b/src/com/android/launcher3/states/SpringLoadedState.java
@@ -90,9 +90,4 @@
     public float getWorkspaceBackgroundAlpha(Launcher launcher) {
         return 0.2f;
     }
-
-    @Override
-    public int getVisibleElements(Launcher launcher) {
-        return (super.getVisibleElements(launcher) | HOTSEAT_ICONS) & ~TASKBAR;
-    }
 }
diff --git a/src/com/android/launcher3/testing/TestProtocol.java b/src/com/android/launcher3/testing/TestProtocol.java
index 62b8a48..673b011 100644
--- a/src/com/android/launcher3/testing/TestProtocol.java
+++ b/src/com/android/launcher3/testing/TestProtocol.java
@@ -122,7 +122,6 @@
     public static final String REQUEST_MOCK_SENSOR_ROTATION = "mock-sensor-rotation";
 
     public static final String PERMANENT_DIAG_TAG = "TaplTarget";
-    public static final String TASKBAR_WINDOW_CRASH = "b/201305599";
     public static final String TASK_VIEW_ID_CRASH = "b/195430732";
     public static final String NO_DROP_TARGET = "b/195031154";
     public static final String NULL_INT_SET = "b/200572078";
diff --git a/src/com/android/launcher3/touch/BaseSwipeDetector.java b/src/com/android/launcher3/touch/BaseSwipeDetector.java
index 1276ece..52c3581 100644
--- a/src/com/android/launcher3/touch/BaseSwipeDetector.java
+++ b/src/com/android/launcher3/touch/BaseSwipeDetector.java
@@ -17,6 +17,7 @@
 
 import static android.view.MotionEvent.INVALID_POINTER_ID;
 
+import android.content.Context;
 import android.graphics.PointF;
 import android.util.Log;
 import android.view.MotionEvent;
@@ -26,6 +27,8 @@
 import androidx.annotation.NonNull;
 import androidx.annotation.VisibleForTesting;
 
+import com.android.launcher3.R;
+
 import java.util.LinkedList;
 import java.util.Queue;
 
@@ -44,10 +47,9 @@
     private static final boolean DBG = false;
     private static final String TAG = "BaseSwipeDetector";
     private static final float ANIMATION_DURATION = 1200;
-    /** The minimum release velocity in pixels per millisecond that triggers fling.*/
-    private static final float RELEASE_VELOCITY_PX_MS = 1.0f;
     private static final PointF sTempPoint = new PointF();
 
+    private final float mReleaseVelocity;
     private final PointF mDownPos = new PointF();
     private final PointF mLastPos = new PointF();
     protected final boolean mIsRtl;
@@ -64,6 +66,7 @@
     private boolean mIsSettingState;
 
     protected boolean mIgnoreSlopWhenSettling;
+    protected Context mContext;
 
     private enum ScrollState {
         IDLE,
@@ -71,10 +74,14 @@
         SETTLING       // onDragEnd
     }
 
-    protected BaseSwipeDetector(@NonNull ViewConfiguration config, boolean isRtl) {
+    protected BaseSwipeDetector(@NonNull Context context, @NonNull ViewConfiguration config,
+            boolean isRtl) {
         mTouchSlop = config.getScaledTouchSlop();
         mMaxVelocity = config.getScaledMaximumFlingVelocity();
         mIsRtl = isRtl;
+        mContext = context;
+        mReleaseVelocity = mContext.getResources()
+                .getDimensionPixelSize(R.dimen.base_swift_detector_fling_release_velocity);
     }
 
     public static long calculateDuration(float velocity, float progressNeeded) {
@@ -120,7 +127,7 @@
     }
 
     public boolean isFling(float velocity) {
-        return Math.abs(velocity) > RELEASE_VELOCITY_PX_MS;
+        return Math.abs(velocity) > mReleaseVelocity;
     }
 
     public boolean onTouchEvent(MotionEvent ev) {
@@ -236,7 +243,7 @@
         } else {
             mSubtractDisplacement.x = mDisplacement.x > 0 ? mTouchSlop : -mTouchSlop;
             mSubtractDisplacement.y = mDisplacement.y > 0 ? mTouchSlop : -mTouchSlop;
-        } 
+        }
     }
 
     protected abstract boolean shouldScrollStart(PointF displacement);
diff --git a/src/com/android/launcher3/touch/BothAxesSwipeDetector.java b/src/com/android/launcher3/touch/BothAxesSwipeDetector.java
index 944391e..6e2f0d8 100644
--- a/src/com/android/launcher3/touch/BothAxesSwipeDetector.java
+++ b/src/com/android/launcher3/touch/BothAxesSwipeDetector.java
@@ -21,7 +21,6 @@
 import android.view.ViewConfiguration;
 
 import androidx.annotation.NonNull;
-import androidx.annotation.VisibleForTesting;
 
 import com.android.launcher3.Utilities;
 
@@ -43,13 +42,7 @@
     private int mScrollDirections;
 
     public BothAxesSwipeDetector(@NonNull Context context, @NonNull Listener l) {
-        this(ViewConfiguration.get(context), l, Utilities.isRtl(context.getResources()));
-    }
-
-    @VisibleForTesting
-    protected BothAxesSwipeDetector(@NonNull ViewConfiguration config, @NonNull Listener l,
-            boolean isRtl) {
-        super(config, isRtl);
+        super(context, ViewConfiguration.get(context), Utilities.isRtl(context.getResources()));
         mListener = l;
     }
 
diff --git a/src/com/android/launcher3/touch/LandscapePagedViewHandler.java b/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
index 498f6db..9a2d6d8 100644
--- a/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
+++ b/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
@@ -36,6 +36,7 @@
 import android.graphics.RectF;
 import android.graphics.drawable.ShapeDrawable;
 import android.util.FloatProperty;
+import android.util.Pair;
 import android.view.MotionEvent;
 import android.view.Surface;
 import android.view.VelocityTracker;
@@ -101,12 +102,12 @@
     }
 
     @Override
-    public <T> void set(T target, Int2DAction<T> action, int param) {
+    public <T> void setPrimary(T target, Int2DAction<T> action, int param) {
         action.call(target, 0, param);
     }
 
     @Override
-    public <T> void set(T target, Float2DAction<T> action, float param) {
+    public <T> void setPrimary(T target, Float2DAction<T> action, float param) {
         action.call(target, 0, param);
     }
 
@@ -116,6 +117,12 @@
     }
 
     @Override
+    public <T> void set(T target, Int2DAction<T> action, int primaryParam,
+            int secondaryParam) {
+        action.call(target, secondaryParam, primaryParam);
+    }
+
+    @Override
     public float getPrimaryDirection(MotionEvent event, int pointerIndex) {
         return event.getY(pointerIndex);
     }
@@ -248,7 +255,7 @@
     }
 
     @Override
-    public int getSplitTranslationDirectionFactor(int stagePosition) {
+    public int getSplitTranslationDirectionFactor(int stagePosition, DeviceProfile deviceProfile) {
         if (stagePosition == STAGE_POSITION_BOTTOM_OR_RIGHT) {
             return -1;
         } else {
@@ -350,7 +357,7 @@
     public List<SplitPositionOption> getSplitPositionOptions(DeviceProfile dp) {
         // Add "left" side of phone which is actually the top
         return Collections.singletonList(new SplitPositionOption(
-                R.drawable.ic_split_screen, R.string.split_screen_position_left,
+                R.drawable.ic_split_left, R.string.split_screen_position_left,
                 STAGE_POSITION_TOP_OR_LEFT, STAGE_TYPE_MAIN));
     }
 
@@ -456,8 +463,8 @@
     }
 
     @Override
-    public FloatProperty getSplitSelectTaskOffset(FloatProperty primary, FloatProperty secondary,
-            DeviceProfile deviceProfile) {
-        return primary;
+    public Pair<FloatProperty, FloatProperty> getSplitSelectTaskOffset(FloatProperty primary,
+            FloatProperty secondary, DeviceProfile deviceProfile) {
+        return new Pair<>(primary, secondary);
     }
 }
diff --git a/src/com/android/launcher3/touch/PagedOrientationHandler.java b/src/com/android/launcher3/touch/PagedOrientationHandler.java
index 95336cd..95168fb 100644
--- a/src/com/android/launcher3/touch/PagedOrientationHandler.java
+++ b/src/com/android/launcher3/touch/PagedOrientationHandler.java
@@ -24,6 +24,7 @@
 import android.graphics.RectF;
 import android.graphics.drawable.ShapeDrawable;
 import android.util.FloatProperty;
+import android.util.Pair;
 import android.view.MotionEvent;
 import android.view.VelocityTracker;
 import android.view.View;
@@ -65,9 +66,10 @@
     Float2DAction<Canvas> CANVAS_TRANSLATE = Canvas::translate;
     Float2DAction<Matrix> MATRIX_POST_TRANSLATE = Matrix::postTranslate;
 
-    <T> void set(T target, Int2DAction<T> action, int param);
-    <T> void set(T target, Float2DAction<T> action, float param);
+    <T> void setPrimary(T target, Int2DAction<T> action, int param);
+    <T> void setPrimary(T target, Float2DAction<T> action, float param);
     <T> void setSecondary(T target, Float2DAction<T> action, float param);
+    <T> void set(T target, Int2DAction<T> action, int primaryParam, int secondaryParam);
     float getPrimaryDirection(MotionEvent event, int pointerIndex);
     float getPrimaryVelocity(VelocityTracker velocityTracker, int pointerId);
     int getMeasuredSize(View view);
@@ -93,7 +95,8 @@
     int getScrollOffsetStart(View view, Rect insets);
     int getScrollOffsetEnd(View view, Rect insets);
     int getSecondaryTranslationDirectionFactor();
-    int getSplitTranslationDirectionFactor(@StagePosition int stagePosition);
+    int getSplitTranslationDirectionFactor(@StagePosition int stagePosition,
+            DeviceProfile deviceProfile);
     ChildBounds getChildBounds(View child, int childStart, int pageCenter, boolean layoutChild);
     void setMaxScroll(AccessibilityEvent event, int maxScroll);
     boolean getRecentsRtlSetting(Resources resources);
@@ -112,8 +115,8 @@
     float getSecondaryValue(float x, float y);
 
     boolean isLayoutNaturalToLauncher();
-    FloatProperty getSplitSelectTaskOffset(FloatProperty primary, FloatProperty secondary,
-            DeviceProfile deviceProfile);
+    Pair<FloatProperty, FloatProperty> getSplitSelectTaskOffset(FloatProperty primary,
+            FloatProperty secondary, DeviceProfile deviceProfile);
     int getDistanceToBottomOfRect(DeviceProfile dp, Rect rect);
     List<SplitPositionOption> getSplitPositionOptions(DeviceProfile dp);
     /**
diff --git a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
index 835c240..7d70f77 100644
--- a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
+++ b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
@@ -35,6 +35,7 @@
 import android.graphics.RectF;
 import android.graphics.drawable.ShapeDrawable;
 import android.util.FloatProperty;
+import android.util.Pair;
 import android.view.MotionEvent;
 import android.view.Surface;
 import android.view.VelocityTracker;
@@ -101,12 +102,12 @@
     }
 
     @Override
-    public <T> void set(T target, Int2DAction<T> action, int param) {
+    public <T> void setPrimary(T target, Int2DAction<T> action, int param) {
         action.call(target, param, 0);
     }
 
     @Override
-    public <T> void set(T target, Float2DAction<T> action, float param) {
+    public <T> void setPrimary(T target, Float2DAction<T> action, float param) {
         action.call(target, param, 0);
     }
 
@@ -116,6 +117,12 @@
     }
 
     @Override
+    public <T> void set(T target, Int2DAction<T> action, int primaryParam,
+            int secondaryParam) {
+        action.call(target, primaryParam, secondaryParam);
+    }
+
+    @Override
     public float getPrimaryDirection(MotionEvent event, int pointerIndex) {
         return event.getX(pointerIndex);
     }
@@ -254,8 +261,8 @@
     }
 
     @Override
-    public int getSplitTranslationDirectionFactor(int stagePosition) {
-        if (stagePosition == STAGE_POSITION_BOTTOM_OR_RIGHT) {
+    public int getSplitTranslationDirectionFactor(int stagePosition, DeviceProfile deviceProfile) {
+        if (deviceProfile.isLandscape && stagePosition == STAGE_POSITION_BOTTOM_OR_RIGHT) {
             return -1;
         } else {
             return 1;
@@ -363,28 +370,27 @@
     public List<SplitPositionOption> getSplitPositionOptions(DeviceProfile dp) {
         List<SplitPositionOption> options = new ArrayList<>(1);
         // Add both left and right options if we're in tablet mode
-        // TODO: Add in correct icons
         if (dp.isTablet && dp.isLandscape) {
             options.add(new SplitPositionOption(
-                    R.drawable.ic_split_screen, R.string.split_screen_position_right,
+                    R.drawable.ic_split_right, R.string.split_screen_position_right,
                     STAGE_POSITION_BOTTOM_OR_RIGHT, STAGE_TYPE_MAIN));
             options.add(new SplitPositionOption(
-                    R.drawable.ic_split_screen, R.string.split_screen_position_left,
+                    R.drawable.ic_split_left, R.string.split_screen_position_left,
                     STAGE_POSITION_TOP_OR_LEFT, STAGE_TYPE_MAIN));
         } else {
             if (dp.isSeascape()) {
                 // Add left/right options
                 options.add(new SplitPositionOption(
-                        R.drawable.ic_split_screen, R.string.split_screen_position_right,
+                        R.drawable.ic_split_right, R.string.split_screen_position_right,
                         STAGE_POSITION_BOTTOM_OR_RIGHT, STAGE_TYPE_MAIN));
             } else if (dp.isLandscape) {
                 options.add(new SplitPositionOption(
-                        R.drawable.ic_split_screen, R.string.split_screen_position_left,
+                        R.drawable.ic_split_left, R.string.split_screen_position_left,
                         STAGE_POSITION_TOP_OR_LEFT, STAGE_TYPE_MAIN));
             } else {
                 // Only add top option
                 options.add(new SplitPositionOption(
-                        R.drawable.ic_split_screen, R.string.split_screen_position_top,
+                        R.drawable.ic_split_top, R.string.split_screen_position_top,
                         STAGE_POSITION_TOP_OR_LEFT, STAGE_TYPE_MAIN));
             }
         }
@@ -535,17 +541,18 @@
 
         if (deviceProfile.isLandscape) {
             primaryIconParams.gravity = TOP | START;
-            primaryIconView.setTranslationX(primarySnapshotWidth - primaryIconView.getWidth());
+            primaryIconView.setTranslationX(
+                    primarySnapshotWidth - primaryIconView.getMeasuredWidth());
             primaryIconView.setTranslationY(0);
             secondaryIconParams.gravity = TOP | START;
             secondaryIconView.setTranslationX(primarySnapshotWidth + dividerBar);
         } else {
             primaryIconParams.gravity = TOP | CENTER_HORIZONTAL;
-            primaryIconView.setTranslationX(-(primaryIconView.getWidth()) / 2f);
+            primaryIconView.setTranslationX(-(primaryIconView.getMeasuredWidth()) / 2f);
             primaryIconView.setTranslationY(0);
 
             secondaryIconParams.gravity = TOP | CENTER_HORIZONTAL;
-            secondaryIconView.setTranslationX(secondaryIconView.getWidth() / 2f);
+            secondaryIconView.setTranslationX(secondaryIconView.getMeasuredWidth() / 2f);
         }
         secondaryIconView.setTranslationY(0);
         primaryIconView.setLayoutParams(primaryIconParams);
@@ -565,12 +572,12 @@
     }
 
     @Override
-    public FloatProperty getSplitSelectTaskOffset(FloatProperty primary, FloatProperty secondary,
-            DeviceProfile dp) {
-        if (dp.isLandscape) { // or seascape
-            return primary;
+    public Pair<FloatProperty, FloatProperty> getSplitSelectTaskOffset(FloatProperty primary,
+            FloatProperty secondary, DeviceProfile deviceProfile) {
+        if (deviceProfile.isLandscape) { // or seascape
+            return new Pair<>(primary, secondary);
         } else {
-            return secondary;
+            return new Pair<>(secondary, primary);
         }
     }
 }
diff --git a/src/com/android/launcher3/touch/SeascapePagedViewHandler.java b/src/com/android/launcher3/touch/SeascapePagedViewHandler.java
index 539e3f8..a921f94 100644
--- a/src/com/android/launcher3/touch/SeascapePagedViewHandler.java
+++ b/src/com/android/launcher3/touch/SeascapePagedViewHandler.java
@@ -37,7 +37,6 @@
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.util.SplitConfigurationOptions;
 import com.android.launcher3.util.SplitConfigurationOptions.SplitPositionOption;
 import com.android.launcher3.util.SplitConfigurationOptions.StagedSplitBounds;
 import com.android.launcher3.views.BaseDragLayer;
@@ -53,7 +52,7 @@
     }
 
     @Override
-    public int getSplitTranslationDirectionFactor(int stagePosition) {
+    public int getSplitTranslationDirectionFactor(int stagePosition, DeviceProfile deviceProfile) {
         if (stagePosition == STAGE_POSITION_BOTTOM_OR_RIGHT) {
             return -1;
         } else {
@@ -115,7 +114,7 @@
     public List<SplitPositionOption> getSplitPositionOptions(DeviceProfile dp) {
         // Add "right" option which is actually the top
         return Collections.singletonList(new SplitPositionOption(
-                R.drawable.ic_split_screen, R.string.split_screen_position_right,
+                R.drawable.ic_split_right, R.string.split_screen_position_right,
                 STAGE_POSITION_TOP_OR_LEFT, STAGE_TYPE_MAIN));
     }
 
diff --git a/src/com/android/launcher3/touch/SingleAxisSwipeDetector.java b/src/com/android/launcher3/touch/SingleAxisSwipeDetector.java
index f751b7d..5c599c0 100644
--- a/src/com/android/launcher3/touch/SingleAxisSwipeDetector.java
+++ b/src/com/android/launcher3/touch/SingleAxisSwipeDetector.java
@@ -106,13 +106,15 @@
 
     public SingleAxisSwipeDetector(@NonNull Context context, @NonNull Listener l,
             @NonNull Direction dir) {
-        this(ViewConfiguration.get(context), l, dir, Utilities.isRtl(context.getResources()));
+        super(context, ViewConfiguration.get(context),  Utilities.isRtl(context.getResources()));
+        mListener = l;
+        mDir = dir;
     }
 
     @VisibleForTesting
-    protected SingleAxisSwipeDetector(@NonNull ViewConfiguration config, @NonNull Listener l,
-            @NonNull Direction dir, boolean isRtl) {
-        super(config, isRtl);
+    protected SingleAxisSwipeDetector(@NonNull Context context, @NonNull ViewConfiguration config,
+            @NonNull Listener l, @NonNull Direction dir, boolean isRtl) {
+        super(context, config, isRtl);
         mListener = l;
         mDir = dir;
     }
diff --git a/src/com/android/launcher3/util/ActivityLifecycleCallbacksAdapter.java b/src/com/android/launcher3/util/ActivityLifecycleCallbacksAdapter.java
new file mode 100644
index 0000000..baa8418
--- /dev/null
+++ b/src/com/android/launcher3/util/ActivityLifecycleCallbacksAdapter.java
@@ -0,0 +1,29 @@
+package com.android.launcher3.util;
+
+import android.app.Activity;
+import android.app.Application.ActivityLifecycleCallbacks;
+import android.os.Bundle;
+
+public interface ActivityLifecycleCallbacksAdapter extends ActivityLifecycleCallbacks {
+
+    default void onActivityCreated(Activity activity, Bundle bundle) {
+    }
+
+    default void onActivityDestroyed(Activity activity) {
+    }
+
+    default void onActivityPaused(Activity activity) {
+    }
+
+    default void onActivityResumed(Activity activity) {
+    }
+
+    default void onActivitySaveInstanceState(Activity activity, Bundle bundle) {
+    }
+
+    default void onActivityStarted(Activity activity) {
+    }
+
+    default void onActivityStopped(Activity activity) {
+    }
+}
diff --git a/src/com/android/launcher3/util/DisplayController.java b/src/com/android/launcher3/util/DisplayController.java
index 2068c29..c050c6c 100644
--- a/src/com/android/launcher3/util/DisplayController.java
+++ b/src/com/android/launcher3/util/DisplayController.java
@@ -261,6 +261,13 @@
             PortraitSize realSize = new PortraitSize(newInfo.currentSize.x, newInfo.currentSize.y);
             PortraitSize expectedSize = oldInfo.mInternalDisplays.get(
                     ApiWrapper.getUniqueId(display));
+            if (newInfo.supportedBounds.size() != oldInfo.supportedBounds.size()) {
+                Log.e("b/198965093",
+                        "Inconsistent number of displays"
+                                + "\ndisplay state: " + display.getState()
+                                + "\noldInfo.supportedBounds: " + oldInfo.supportedBounds
+                                + "\nnewInfo.supportedBounds: " + newInfo.supportedBounds);
+            }
             if (!realSize.equals(expectedSize) && display.getState() == Display.STATE_OFF) {
                 Log.e("b/198965093", "Display size changed while display is off, ignoring change");
                 return;
diff --git a/src/com/android/launcher3/util/ItemInfoMatcher.java b/src/com/android/launcher3/util/ItemInfoMatcher.java
index ab3083d..7917410 100644
--- a/src/com/android/launcher3/util/ItemInfoMatcher.java
+++ b/src/com/android/launcher3/util/ItemInfoMatcher.java
@@ -20,6 +20,7 @@
 import android.os.UserHandle;
 
 import com.android.launcher3.LauncherSettings.Favorites;
+import com.android.launcher3.model.data.FolderInfo;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.shortcuts.ShortcutKey;
 
@@ -85,8 +86,16 @@
     }
 
     static ItemInfoMatcher ofShortcutKeys(Set<ShortcutKey> keys) {
-        return  (info, cn) -> info.itemType == Favorites.ITEM_TYPE_DEEP_SHORTCUT &&
-                        keys.contains(ShortcutKey.fromItemInfo(info));
+        return (info, cn) -> info.itemType == Favorites.ITEM_TYPE_DEEP_SHORTCUT
+                && keys.contains(ShortcutKey.fromItemInfo(info));
+    }
+
+    /**
+     * Returns a matcher for items within folders.
+     */
+    static ItemInfoMatcher forFolderMatch(ItemInfoMatcher childOperator) {
+        return (info, cn) -> info instanceof FolderInfo && ((FolderInfo) info).contents.stream()
+                .anyMatch(childOperator::matchesInfo);
     }
 
     /**
diff --git a/src/com/android/launcher3/util/SplitConfigurationOptions.java b/src/com/android/launcher3/util/SplitConfigurationOptions.java
index 53b1c3e..cb714b2 100644
--- a/src/com/android/launcher3/util/SplitConfigurationOptions.java
+++ b/src/com/android/launcher3/util/SplitConfigurationOptions.java
@@ -68,6 +68,11 @@
     public @interface StageType {}
     ///////////////////////////////////
 
+    /**
+     * Default split ratio for launching app pair from overview.
+     */
+    public static final float DEFAULT_SPLIT_RATIO = 0.5f;
+
     public static class SplitPositionOption {
         public final int iconResId;
         public final int textResId;
diff --git a/src/com/android/launcher3/views/FloatingIconView.java b/src/com/android/launcher3/views/FloatingIconView.java
index 8b7ad46..c0ec9d8 100644
--- a/src/com/android/launcher3/views/FloatingIconView.java
+++ b/src/com/android/launcher3/views/FloatingIconView.java
@@ -338,15 +338,13 @@
             setLayoutParams(lp);
 
             final LayoutParams clipViewLp = (LayoutParams) mClipIconView.getLayoutParams();
-            final int clipViewOgHeight = clipViewLp.height;
-            final int clipViewOgWidth = clipViewLp.width;
+            if (mBadge != null) {
+                Rect badgeBounds = new Rect(0, 0, clipViewLp.width, clipViewLp.height);
+                FastBitmapDrawable.setBadgeBounds(mBadge, badgeBounds);
+            }
             clipViewLp.width = lp.width;
             clipViewLp.height = lp.height;
             mClipIconView.setLayoutParams(clipViewLp);
-
-            if (mBadge != null) {
-                mBadge.setBounds(0, 0, clipViewOgWidth, clipViewOgHeight);
-            }
         }
 
         if (!mIsOpening && btvIcon != null) {
@@ -460,7 +458,7 @@
         if (mIconLoadResult != null && mIconLoadResult.isIconLoaded) {
             setVisibility(View.VISIBLE);
         }
-        if (!mIsOpening) {
+        if (!mIsOpening && mOriginalIcon != null) {
             // When closing an app, we want the item on the workspace to be invisible immediately
             setIconAndDotVisible(mOriginalIcon, false);
         }
diff --git a/src/com/android/launcher3/views/FloatingSurfaceView.java b/src/com/android/launcher3/views/FloatingSurfaceView.java
index e2e3be7..f32f904 100644
--- a/src/com/android/launcher3/views/FloatingSurfaceView.java
+++ b/src/com/android/launcher3/views/FloatingSurfaceView.java
@@ -158,7 +158,7 @@
         if (mContract == null) {
             return;
         }
-        View icon = mLauncher.getWorkspace().getFirstMatchForAppClose(-1,
+        View icon = mLauncher.getFirstMatchForAppClose(-1,
                 mContract.componentName.getPackageName(), mContract.user);
 
         boolean iconChanged = mIcon != icon;
@@ -182,7 +182,7 @@
                 lp.topMargin = Math.round(mIconPosition.top);
             }
         }
-        if (iconChanged && !mIconBounds.isEmpty()) {
+        if (mIcon != null && iconChanged && !mIconBounds.isEmpty()) {
             // Record the icon display
             setCurrentIconVisible(true);
             Canvas c = mPicture.beginRecording(mIconBounds.width(), mIconBounds.height());
diff --git a/src/com/android/launcher3/views/Snackbar.java b/src/com/android/launcher3/views/Snackbar.java
index 49fcd2e..e582114 100644
--- a/src/com/android/launcher3/views/Snackbar.java
+++ b/src/com/android/launcher3/views/Snackbar.java
@@ -28,8 +28,9 @@
 import android.view.MotionEvent;
 import android.widget.TextView;
 
+import androidx.annotation.Nullable;
+
 import com.android.launcher3.AbstractFloatingView;
-import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.R;
 import com.android.launcher3.anim.Interpolators;
 import com.android.launcher3.compat.AccessibilityManagerCompat;
@@ -44,7 +45,7 @@
     private static final long HIDE_DURATION_MS = 180;
     private static final int TIMEOUT_DURATION_MS = 4000;
 
-    private final BaseDraggingActivity mActivity;
+    private final ActivityContext mActivity;
     private Runnable mOnDismissed;
 
     public Snackbar(Context context, AttributeSet attrs) {
@@ -53,12 +54,19 @@
 
     public Snackbar(Context context, AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr);
-        mActivity = BaseDraggingActivity.fromContext(context);
+        mActivity = ActivityContext.lookupContext(context);
         inflate(context, R.layout.snackbar, this);
     }
 
-    public static void show(BaseDraggingActivity activity, int labelStringResId,
-            int actionStringResId, Runnable onDismissed, Runnable onActionClicked) {
+    /** Show a snackbar with just a label. */
+    public static <T extends Context & ActivityContext> void show(T activity, int labelStringRedId,
+            Runnable onDismissed) {
+        show(activity, labelStringRedId, NO_ID, onDismissed, null);
+    }
+
+    /** Show a snackbar with a label and action. */
+    public static <T extends Context & ActivityContext> void show(T activity, int labelStringResId,
+            int actionStringResId, Runnable onDismissed, @Nullable Runnable onActionClicked) {
         closeOpenViews(activity, true, TYPE_SNACKBAR);
         Snackbar snackbar = new Snackbar(activity, null);
         // Set some properties here since inflated xml only contains the children.
@@ -80,20 +88,42 @@
         int maxMarginLeftRight = res.getDimensionPixelSize(R.dimen.snackbar_max_margin_left_right);
         int minMarginLeftRight = res.getDimensionPixelSize(R.dimen.snackbar_min_margin_left_right);
         int marginBottom = res.getDimensionPixelSize(R.dimen.snackbar_margin_bottom);
+        int absoluteMaxWidth = res.getDimensionPixelSize(R.dimen.snackbar_max_width);
         Rect insets = activity.getDeviceProfile().getInsets();
-        int maxWidth = dragLayer.getWidth() - minMarginLeftRight * 2 - insets.left - insets.right;
-        int minWidth = dragLayer.getWidth() - maxMarginLeftRight * 2 - insets.left - insets.right;
+        int maxWidth = Math.min(
+                dragLayer.getWidth() - minMarginLeftRight * 2 - insets.left - insets.right,
+                absoluteMaxWidth);
+        int minWidth = Math.min(
+                dragLayer.getWidth() - maxMarginLeftRight * 2 - insets.left - insets.right,
+                absoluteMaxWidth);
         params.width = minWidth;
         params.setMargins(0, 0, 0, marginBottom + insets.bottom);
 
         TextView labelView = snackbar.findViewById(R.id.label);
-        TextView actionView = snackbar.findViewById(R.id.action);
         String labelText = res.getString(labelStringResId);
-        String actionText = res.getString(actionStringResId);
-        int totalContentWidth = (int) (labelView.getPaint().measureText(labelText)
-                + actionView.getPaint().measureText(actionText))
+        labelView.setText(labelText);
+
+        TextView actionView = snackbar.findViewById(R.id.action);
+        float actionWidth;
+        if (actionStringResId != NO_ID) {
+            String actionText = res.getString(actionStringResId);
+            actionWidth = actionView.getPaint().measureText(actionText)
+                    + actionView.getPaddingRight() + actionView.getPaddingLeft();
+            actionView.setText(actionText);
+            actionView.setOnClickListener(v -> {
+                if (onActionClicked != null) {
+                    onActionClicked.run();
+                }
+                snackbar.mOnDismissed = null;
+                snackbar.close(true);
+            });
+        } else {
+            actionWidth = 0;
+            actionView.setVisibility(GONE);
+        }
+
+        int totalContentWidth = (int) (labelView.getPaint().measureText(labelText) + actionWidth)
                 + labelView.getPaddingRight() + labelView.getPaddingLeft()
-                + actionView.getPaddingRight() + actionView.getPaddingLeft()
                 + padding * 2;
         if (totalContentWidth > params.width) {
             // The text doesn't fit in our standard width so update width to accommodate.
@@ -113,17 +143,8 @@
                 params.width = maxWidth;
             }
         }
-        labelView.setText(labelText);
-        actionView.setText(actionText);
-        actionView.setOnClickListener(v -> {
-            if (onActionClicked != null) {
-                onActionClicked.run();
-            }
-            snackbar.mOnDismissed = null;
-            snackbar.close(true);
-        });
-        snackbar.mOnDismissed = onDismissed;
 
+        snackbar.mOnDismissed = onDismissed;
         snackbar.setAlpha(0);
         snackbar.setScaleX(0.8f);
         snackbar.setScaleY(0.8f);
diff --git a/src/com/android/launcher3/widget/DatabaseWidgetPreviewLoader.java b/src/com/android/launcher3/widget/DatabaseWidgetPreviewLoader.java
index 784f4f0..7030f6d 100644
--- a/src/com/android/launcher3/widget/DatabaseWidgetPreviewLoader.java
+++ b/src/com/android/launcher3/widget/DatabaseWidgetPreviewLoader.java
@@ -25,15 +25,10 @@
 import android.graphics.Paint;
 import android.graphics.PorterDuff;
 import android.graphics.PorterDuffXfermode;
-import android.graphics.Rect;
 import android.graphics.RectF;
-import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
 import android.os.AsyncTask;
 import android.os.Handler;
-import android.os.Process;
-import android.os.UserHandle;
-import android.util.ArrayMap;
 import android.util.Log;
 import android.util.Size;
 
@@ -44,7 +39,6 @@
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.icons.BitmapRenderer;
-import com.android.launcher3.icons.FastBitmapDrawable;
 import com.android.launcher3.icons.LauncherIcons;
 import com.android.launcher3.icons.ShadowGenerator;
 import com.android.launcher3.icons.cache.HandlerRunnable;
@@ -65,9 +59,6 @@
     private final Context mContext;
     private final float mPreviewBoxCornerRadius;
 
-    private final UserHandle mMyUser = Process.myUserHandle();
-    private final ArrayMap<UserHandle, Bitmap> mUserBadges = new ArrayMap<>();
-
     public DatabaseWidgetPreviewLoader(Context context) {
         mContext = context;
         float previewCornerRadius = RoundedCornerEnforcement.computeEnforcedRadius(context);
@@ -109,52 +100,6 @@
     }
 
     /**
-     * Returns a drawable that can be used as a badge for the user or null.
-     */
-   // @UiThread
-    public Drawable getBadgeForUser(UserHandle user, int badgeSize) {
-        if (mMyUser.equals(user)) {
-            return null;
-        }
-
-        Bitmap badgeBitmap = getUserBadge(user, badgeSize);
-        FastBitmapDrawable d = new FastBitmapDrawable(badgeBitmap);
-        d.setFilterBitmap(true);
-        d.setBounds(0, 0, badgeBitmap.getWidth(), badgeBitmap.getHeight());
-        return d;
-    }
-
-    private Bitmap getUserBadge(UserHandle user, int badgeSize) {
-        synchronized (mUserBadges) {
-            Bitmap badgeBitmap = mUserBadges.get(user);
-            if (badgeBitmap != null) {
-                return badgeBitmap;
-            }
-
-            final Resources res = mContext.getResources();
-            badgeBitmap = Bitmap.createBitmap(badgeSize, badgeSize, Bitmap.Config.ARGB_8888);
-
-            Drawable drawable = mContext.getPackageManager().getUserBadgedDrawableForDensity(
-                    new BitmapDrawable(res, badgeBitmap), user,
-                    new Rect(0, 0, badgeSize, badgeSize),
-                    0);
-            if (drawable instanceof BitmapDrawable) {
-                badgeBitmap = ((BitmapDrawable) drawable).getBitmap();
-            } else {
-                badgeBitmap.eraseColor(Color.TRANSPARENT);
-                Canvas c = new Canvas(badgeBitmap);
-                drawable.setBounds(0, 0, badgeSize, badgeSize);
-                drawable.draw(c);
-                c.setBitmap(null);
-            }
-
-            mUserBadges.put(user, badgeBitmap);
-            return badgeBitmap;
-        }
-    }
-
-
-    /**
      * Generates the widget preview from either the {@link WidgetManagerHelper} or cache
      * and add badge at the bottom right corner.
      *
@@ -318,8 +263,8 @@
             LauncherIcons li = LauncherIcons.obtain(mContext);
             Drawable icon = li.createBadgedIconBitmap(
                     mutateOnMainThread(info.getFullResIcon(
-                            LauncherAppState.getInstance(mContext).getIconCache())),
-                    Process.myUserHandle(), 0).newIcon(mContext);
+                            LauncherAppState.getInstance(mContext).getIconCache())))
+                    .newIcon(mContext);
             li.recycle();
 
             icon.setBounds(padding, padding, padding + iconSize, padding + iconSize);
diff --git a/src/com/android/launcher3/widget/PendingAppWidgetHostView.java b/src/com/android/launcher3/widget/PendingAppWidgetHostView.java
index 553ba13..1f6551e 100644
--- a/src/com/android/launcher3/widget/PendingAppWidgetHostView.java
+++ b/src/com/android/launcher3/widget/PendingAppWidgetHostView.java
@@ -17,6 +17,7 @@
 package com.android.launcher3.widget;
 
 import static com.android.launcher3.graphics.PreloadIconDrawable.newPendingIcon;
+import static com.android.launcher3.icons.FastBitmapDrawable.getDisabledColorFilter;
 import static com.android.launcher3.widget.WidgetSections.getWidgetSections;
 
 import android.content.Context;
@@ -159,8 +160,7 @@
                     disabledIcon.setIsDisabled(true);
                     mCenterDrawable = disabledIcon;
                 } else {
-                    widgetCategoryIcon.setColorFilter(
-                            FastBitmapDrawable.getDisabledFColorFilter(/* disabledAlpha= */ 1f));
+                    widgetCategoryIcon.setColorFilter(getDisabledColorFilter());
                     mCenterDrawable = widgetCategoryIcon;
                 }
                 mSettingIconDrawable = null;
diff --git a/src/com/android/launcher3/widget/PendingItemDragHelper.java b/src/com/android/launcher3/widget/PendingItemDragHelper.java
index 463f4ac..46c0b99 100644
--- a/src/com/android/launcher3/widget/PendingItemDragHelper.java
+++ b/src/com/android/launcher3/widget/PendingItemDragHelper.java
@@ -181,8 +181,7 @@
             PendingAddShortcutInfo createShortcutInfo = (PendingAddShortcutInfo) mAddInfo;
             Drawable icon = createShortcutInfo.activityInfo.getFullResIcon(app.getIconCache());
             LauncherIcons li = LauncherIcons.obtain(launcher);
-            preview = new FastBitmapDrawable(
-                    li.createScaledBitmapWithoutShadow(icon, 0));
+            preview = new FastBitmapDrawable(li.createScaledBitmapWithoutShadow(icon));
             previewWidth = preview.getIntrinsicWidth();
             previewHeight = preview.getIntrinsicHeight();
             li.recycle();
diff --git a/src/com/android/launcher3/widget/WidgetCell.java b/src/com/android/launcher3/widget/WidgetCell.java
index c92fe5a..2796721 100644
--- a/src/com/android/launcher3/widget/WidgetCell.java
+++ b/src/com/android/launcher3/widget/WidgetCell.java
@@ -26,6 +26,7 @@
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.drawable.Drawable;
+import android.os.Process;
 import android.util.AttributeSet;
 import android.util.Log;
 import android.util.Size;
@@ -48,7 +49,6 @@
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
-import com.android.launcher3.icons.BaseIconFactory;
 import com.android.launcher3.icons.FastBitmapDrawable;
 import com.android.launcher3.icons.RoundDrawableWrapper;
 import com.android.launcher3.icons.cache.HandlerRunnable;
@@ -372,14 +372,11 @@
     /** Used to show the badge when the widget is in the recommended section
      */
     public void showBadge() {
-        Drawable badge = mWidgetPreviewLoader.getBadgeForUser(mItem.user,
-                BaseIconFactory.getBadgeSizeForIconSize(
-                        mActivity.getDeviceProfile().allAppsIconSizePx));
-        if (badge == null) {
+        if (Process.myUserHandle().equals(mItem.user)) {
             mWidgetBadge.setVisibility(View.GONE);
         } else {
             mWidgetBadge.setVisibility(View.VISIBLE);
-            mWidgetBadge.setImageDrawable(badge);
+            mWidgetBadge.setImageResource(R.drawable.ic_work_app_badge);
         }
     }
 
diff --git a/tests/AndroidManifest-common.xml b/tests/AndroidManifest-common.xml
index 9f2a629..e44c172 100644
--- a/tests/AndroidManifest-common.xml
+++ b/tests/AndroidManifest-common.xml
@@ -251,6 +251,22 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity-alias>
+        <activity-alias android:name="Activity13" android:exported="true"
+            android:label="TestActivity13"
+            android:targetActivity="com.android.launcher3.testcomponent.OtherBaseTestingActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity-alias>
+        <activity-alias android:name="Activity14" android:exported="true"
+            android:label="TestActivity14"
+            android:targetActivity="com.android.launcher3.testcomponent.OtherBaseTestingActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity-alias>
 
         <!-- [b/197780098] Disable eager initialization of Jetpack libraries. -->
         <provider
diff --git a/tests/src/com/android/launcher3/touch/SingleAxisSwipeDetectorTest.java b/tests/src/com/android/launcher3/touch/SingleAxisSwipeDetectorTest.java
index 472e1a1..260f556 100644
--- a/tests/src/com/android/launcher3/touch/SingleAxisSwipeDetectorTest.java
+++ b/tests/src/com/android/launcher3/touch/SingleAxisSwipeDetectorTest.java
@@ -30,6 +30,7 @@
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.verify;
 
+import android.content.Context;
 import android.util.Log;
 import android.view.MotionEvent;
 import android.view.ViewConfiguration;
@@ -58,6 +59,7 @@
     private TouchEventGenerator mGenerator;
     private SingleAxisSwipeDetector mDetector;
     private int mTouchSlop;
+    Context mContext;
 
     @Mock
     private SingleAxisSwipeDetector.Listener mMockListener;
@@ -69,12 +71,13 @@
     public void setup() {
         MockitoAnnotations.initMocks(this);
         mGenerator = new TouchEventGenerator((ev) -> mDetector.onTouchEvent(ev));
-        ViewConfiguration orgConfig = ViewConfiguration
-                .get(InstrumentationRegistry.getTargetContext());
+        mContext = InstrumentationRegistry.getTargetContext();
+        ViewConfiguration orgConfig = ViewConfiguration.get(mContext);
         doReturn(orgConfig.getScaledMaximumFlingVelocity()).when(mMockConfig)
                 .getScaledMaximumFlingVelocity();
 
-        mDetector = new SingleAxisSwipeDetector(mMockConfig, mMockListener, VERTICAL, false);
+        mDetector = new SingleAxisSwipeDetector(mContext,
+                mMockConfig, mMockListener, VERTICAL, false);
         mDetector.setDetectableScrollConditions(DIRECTION_BOTH, false);
         mTouchSlop = orgConfig.getScaledTouchSlop();
         doReturn(mTouchSlop).when(mMockConfig).getScaledTouchSlop();
@@ -84,7 +87,8 @@
 
     @Test
     public void testDragStart_verticalPositive() {
-        mDetector = new SingleAxisSwipeDetector(mMockConfig, mMockListener, VERTICAL, false);
+        mDetector = new SingleAxisSwipeDetector(mContext,
+                mMockConfig, mMockListener, VERTICAL, false);
         mDetector.setDetectableScrollConditions(DIRECTION_POSITIVE, false);
         mGenerator.put(0, 100, 100);
         mGenerator.move(0, 100, 100 - mTouchSlop);
@@ -94,7 +98,8 @@
 
     @Test
     public void testDragStart_verticalNegative() {
-        mDetector = new SingleAxisSwipeDetector(mMockConfig, mMockListener, VERTICAL, false);
+        mDetector = new SingleAxisSwipeDetector(mContext,
+                mMockConfig, mMockListener, VERTICAL, false);
         mDetector.setDetectableScrollConditions(DIRECTION_NEGATIVE, false);
         mGenerator.put(0, 100, 100);
         mGenerator.move(0, 100, 100 + mTouchSlop);
@@ -112,7 +117,8 @@
 
     @Test
     public void testDragStart_horizontalPositive() {
-        mDetector = new SingleAxisSwipeDetector(mMockConfig, mMockListener, HORIZONTAL, false);
+        mDetector = new SingleAxisSwipeDetector(mContext,
+                mMockConfig, mMockListener, HORIZONTAL, false);
         mDetector.setDetectableScrollConditions(DIRECTION_POSITIVE, false);
 
         mGenerator.put(0, 100, 100);
@@ -123,7 +129,8 @@
 
     @Test
     public void testDragStart_horizontalNegative() {
-        mDetector = new SingleAxisSwipeDetector(mMockConfig, mMockListener, HORIZONTAL, false);
+        mDetector = new SingleAxisSwipeDetector(mContext,
+                mMockConfig, mMockListener, HORIZONTAL, false);
         mDetector.setDetectableScrollConditions(DIRECTION_NEGATIVE, false);
 
         mGenerator.put(0, 100, 100);
@@ -134,7 +141,8 @@
 
     @Test
     public void testDragStart_horizontalRtlPositive() {
-        mDetector = new SingleAxisSwipeDetector(mMockConfig, mMockListener, HORIZONTAL, true);
+        mDetector = new SingleAxisSwipeDetector(mContext,
+                mMockConfig, mMockListener, HORIZONTAL, true);
         mDetector.setDetectableScrollConditions(DIRECTION_POSITIVE, false);
 
         mGenerator.put(0, 100, 100);
@@ -145,7 +153,8 @@
 
     @Test
     public void testDragStart_horizontalRtlNegative() {
-        mDetector = new SingleAxisSwipeDetector(mMockConfig, mMockListener, HORIZONTAL, true);
+        mDetector = new SingleAxisSwipeDetector(mContext,
+                mMockConfig, mMockListener, HORIZONTAL, true);
         mDetector.setDetectableScrollConditions(DIRECTION_NEGATIVE, false);
 
         mGenerator.put(0, 100, 100);
diff --git a/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java b/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
index 44f2719..19dca45 100644
--- a/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
+++ b/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
@@ -38,6 +38,7 @@
 import android.os.RemoteException;
 import android.os.UserHandle;
 import android.os.UserManager;
+import android.system.OsConstants;
 import android.util.Log;
 
 import androidx.test.InstrumentationRegistry;
@@ -83,6 +84,7 @@
 import java.util.concurrent.Callable;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
 import java.util.function.Consumer;
 import java.util.function.Function;
 import java.util.function.Supplier;
@@ -327,7 +329,12 @@
      */
     protected <T> T getOnUiThread(final Callable<T> callback) {
         try {
-            return mMainThreadExecutor.submit(callback).get();
+            return mMainThreadExecutor.submit(callback).get(DEFAULT_UI_TIMEOUT,
+                    TimeUnit.MILLISECONDS);
+        } catch (TimeoutException e) {
+            Log.e(TAG, "Timeout in getOnUiThread, sending SIGABRT", e);
+            Process.sendSignal(Process.myPid(), OsConstants.SIGABRT);
+            throw new RuntimeException(e);
         } catch (Throwable e) {
             throw new RuntimeException(e);
         }
diff --git a/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java b/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java
index c90d283..41c7c37 100644
--- a/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java
+++ b/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java
@@ -80,12 +80,8 @@
         assertTrue(message, failed);
     }
 
-    private int pagesPerScreen() {
-        return mLauncher.isTwoPanels() ? 2 : 1;
-    }
-
-    private boolean isWorkspaceScrollable(Launcher launcher) {
-        return launcher.getWorkspace().getPageCount() > pagesPerScreen();
+    public static boolean isWorkspaceScrollable(Launcher launcher) {
+        return launcher.getWorkspace().getPageCount() > launcher.getWorkspace().getPanelCount();
     }
 
     private int getCurrentWorkspacePage(Launcher launcher) {
@@ -192,7 +188,7 @@
         executeOnLauncher(
                 launcher -> assertEquals(
                         "Ensuring workspace scrollable didn't switch to next screen",
-                        pagesPerScreen(), getCurrentWorkspacePage(launcher)));
+                        workspace.pagesPerScreen(), getCurrentWorkspacePage(launcher)));
         executeOnLauncher(
                 launcher -> assertTrue("ensureScrollable didn't make workspace scrollable",
                         isWorkspaceScrollable(launcher)));
@@ -209,7 +205,7 @@
         workspace.flingForward();
         executeOnLauncher(
                 launcher -> assertEquals("Flinging forward didn't switch workspace to next screen",
-                        pagesPerScreen(), getCurrentWorkspacePage(launcher)));
+                        workspace.pagesPerScreen(), getCurrentWorkspacePage(launcher)));
         assertTrue("Launcher internal state is not Home", isInState(() -> LauncherState.NORMAL));
 
         // Test starting a workspace app.
diff --git a/tests/src/com/android/launcher3/ui/workspace/TwoPanelWorkspaceTest.java b/tests/src/com/android/launcher3/ui/workspace/TwoPanelWorkspaceTest.java
new file mode 100644
index 0000000..b048cd4
--- /dev/null
+++ b/tests/src/com/android/launcher3/ui/workspace/TwoPanelWorkspaceTest.java
@@ -0,0 +1,285 @@
+/*
+ * 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.ui.workspace;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import androidx.test.filters.LargeTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.launcher3.CellLayout;
+import com.android.launcher3.Launcher;
+import com.android.launcher3.model.data.ItemInfo;
+import com.android.launcher3.tapl.Workspace;
+import com.android.launcher3.ui.AbstractLauncherUiTest;
+import com.android.launcher3.ui.TaplTestsLauncher3;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.util.Arrays;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+/**
+ * Tests for two panel workspace.
+ *
+ * Note running these tests will clear the workspace on the device.
+ */
+@LargeTest
+@RunWith(AndroidJUnit4.class)
+public class TwoPanelWorkspaceTest extends AbstractLauncherUiTest {
+
+    Workspace mWorkspace;
+
+    @Before
+    public void setUp() throws Exception {
+        super.setUp();
+        TaplTestsLauncher3.initialize(this);
+        mWorkspace = mLauncher.getWorkspace();
+    }
+
+    @Test
+    public void testDragIconToRightPanel() {
+        if (!mLauncher.isTwoPanels()) {
+            return;
+        }
+
+        // Pre verifying the screens
+        executeOnLauncher(launcher -> {
+            assertPagesExist(launcher, 0, 1);
+            assertItemsOnPage(launcher, 0, "Play Store", "Maps");
+            assertPageEmpty(launcher, 1);
+        });
+
+        mWorkspace.dragIcon(mWorkspace.getHotseatAppIcon("Chrome"), 1);
+
+        executeOnLauncher(launcher -> {
+            assertPagesExist(launcher, 0, 1);
+            assertItemsOnPage(launcher, 0, "Maps", "Play Store");
+            assertItemsOnPage(launcher, 1, "Chrome");
+        });
+    }
+
+    @Test
+    public void testDragIconToPage2() {
+        if (!mLauncher.isTwoPanels()) {
+            return;
+        }
+
+        // Pre verifying the screens
+        executeOnLauncher(launcher -> {
+            assertPagesExist(launcher, 0, 1);
+            assertItemsOnPage(launcher, 0, "Play Store", "Maps");
+            assertPageEmpty(launcher, 1);
+        });
+
+        mWorkspace.dragIcon(mWorkspace.getWorkspaceAppIcon("Maps"), 2);
+
+        executeOnLauncher(launcher -> {
+            assertPagesExist(launcher, 0, 1, 2, 3);
+            assertItemsOnPage(launcher, 0, "Play Store");
+            assertPageEmpty(launcher, 1);
+            assertItemsOnPage(launcher, 2, "Maps");
+            assertPageEmpty(launcher, 3);
+        });
+    }
+
+    @Test
+    public void testDragIconToPage3() {
+        if (!mLauncher.isTwoPanels()) {
+            return;
+        }
+
+        // Pre verifying the screens
+        executeOnLauncher(launcher -> {
+            assertPagesExist(launcher, 0, 1);
+            assertItemsOnPage(launcher, 0, "Play Store", "Maps");
+            assertPageEmpty(launcher, 1);
+        });
+
+        mWorkspace.dragIcon(mWorkspace.getHotseatAppIcon("Phone"), 3);
+
+        executeOnLauncher(launcher -> {
+            assertPagesExist(launcher, 0, 1, 2, 3);
+            assertItemsOnPage(launcher, 0, "Play Store", "Maps");
+            assertPageEmpty(launcher, 1);
+            assertPageEmpty(launcher, 2);
+            assertItemsOnPage(launcher, 3, "Phone");
+        });
+    }
+
+
+    @Test
+    public void testEmptyPageDoesNotGetRemovedIfPagePairIsNotEmpty() {
+        if (!mLauncher.isTwoPanels()) {
+            return;
+        }
+
+        // Pre verifying the screens
+        executeOnLauncher(launcher -> {
+            assertPagesExist(launcher, 0, 1);
+            assertItemsOnPage(launcher, 0, "Play Store", "Maps");
+            assertPageEmpty(launcher, 1);
+        });
+
+        mWorkspace.dragIcon(mWorkspace.getWorkspaceAppIcon("Maps"), 3);
+        mWorkspace.dragIcon(mWorkspace.getHotseatAppIcon("Chrome"), 0);
+
+        executeOnLauncher(launcher -> {
+            assertPagesExist(launcher, 0, 1, 2, 3);
+            assertItemsOnPage(launcher, 0, "Play Store");
+            assertPageEmpty(launcher, 1);
+            assertItemsOnPage(launcher, 2, "Chrome");
+            assertItemsOnPage(launcher, 3, "Maps");
+        });
+
+        mWorkspace.dragIcon(mWorkspace.getWorkspaceAppIcon("Maps"), -1);
+
+        executeOnLauncher(launcher -> {
+            assertPagesExist(launcher, 0, 1, 2, 3);
+            assertItemsOnPage(launcher, 0, "Play Store");
+            assertItemsOnPage(launcher, 1, "Maps");
+            assertItemsOnPage(launcher, 2, "Chrome");
+            assertPageEmpty(launcher, 3);
+        });
+
+        // Move Chrome to the right panel as well, to make sure pages are not deleted whichever
+        // page is the empty one
+        mWorkspace.flingForward();
+        mWorkspace.dragIcon(mWorkspace.getWorkspaceAppIcon("Chrome"), 1);
+
+        executeOnLauncher(launcher -> {
+            assertPagesExist(launcher, 0, 1, 2, 3);
+            assertItemsOnPage(launcher, 0, "Play Store");
+            assertItemsOnPage(launcher, 1, "Maps");
+            assertPageEmpty(launcher, 2);
+            assertItemsOnPage(launcher, 3, "Chrome");
+        });
+    }
+
+
+    @Test
+    public void testEmptyPagesGetRemovedIfBothPagesAreEmpty() {
+        if (!mLauncher.isTwoPanels()) {
+            return;
+        }
+
+        // Pre verifying the screens
+        executeOnLauncher(launcher -> {
+            assertPagesExist(launcher, 0, 1);
+            assertItemsOnPage(launcher, 0, "Play Store", "Maps");
+            assertPageEmpty(launcher, 1);
+        });
+
+        mWorkspace.dragIcon(mWorkspace.getWorkspaceAppIcon("Play Store"), 2);
+        mWorkspace.dragIcon(mWorkspace.getHotseatAppIcon("Camera"), 1);
+
+        executeOnLauncher(launcher -> {
+            assertPagesExist(launcher, 0, 1, 2, 3);
+            assertItemsOnPage(launcher, 0, "Maps");
+            assertPageEmpty(launcher, 1);
+            assertItemsOnPage(launcher, 2, "Play Store");
+            assertItemsOnPage(launcher, 3, "Camera");
+        });
+
+        mWorkspace.dragIcon(mWorkspace.getWorkspaceAppIcon("Camera"), -1);
+        mWorkspace.flingForward();
+        mWorkspace.dragIcon(mWorkspace.getWorkspaceAppIcon("Play Store"), -2);
+
+        executeOnLauncher(launcher -> {
+            assertPagesExist(launcher, 0, 1);
+            assertItemsOnPage(launcher, 0, "Play Store", "Maps");
+            assertItemsOnPage(launcher, 1, "Camera");
+        });
+    }
+
+    @Test
+    public void testMiddleEmptyPagesGetRemoved() {
+        if (!mLauncher.isTwoPanels()) {
+            return;
+        }
+
+        // Pre verifying the screens
+        executeOnLauncher(launcher -> {
+            assertPagesExist(launcher, 0, 1);
+            assertItemsOnPage(launcher, 0, "Play Store", "Maps");
+            assertPageEmpty(launcher, 1);
+        });
+
+        mWorkspace.dragIcon(mWorkspace.getWorkspaceAppIcon("Maps"), 2);
+        mWorkspace.dragIcon(mWorkspace.getHotseatAppIcon("Messages"), 3);
+
+        executeOnLauncher(launcher -> {
+            assertPagesExist(launcher, 0, 1, 2, 3, 4, 5);
+            assertItemsOnPage(launcher, 0, "Play Store");
+            assertPageEmpty(launcher, 1);
+            assertItemsOnPage(launcher, 2, "Maps");
+            assertPageEmpty(launcher, 3);
+            assertPageEmpty(launcher, 4);
+            assertItemsOnPage(launcher, 5, "Messages");
+        });
+
+        mWorkspace.flingBackward();
+        mWorkspace.dragIcon(mWorkspace.getWorkspaceAppIcon("Maps"), 2);
+
+        executeOnLauncher(launcher -> {
+            assertPagesExist(launcher, 0, 1, 4, 5);
+            assertItemsOnPage(launcher, 0, "Play Store");
+            assertPageEmpty(launcher, 1);
+            assertItemsOnPage(launcher, 4, "Maps");
+            assertItemsOnPage(launcher, 5, "Messages");
+        });
+    }
+
+    private void assertPageEmpty(Launcher launcher, int pageId) {
+        CellLayout page = launcher.getWorkspace().getScreenWithId(pageId);
+        assertNotNull("Page " + pageId + " does NOT exist.", page);
+        assertEquals("Page " + pageId + " is NOT empty. Number of items on the page:", 0,
+                page.getShortcutsAndWidgets().getChildCount());
+    }
+
+    private void assertPagesExist(Launcher launcher, int... pageIds) {
+        int pageCount = launcher.getWorkspace().getPageCount();
+        assertEquals("Existing page count does NOT match.", pageIds.length, pageCount);
+        for (int i = 0; i < pageCount; i++) {
+            CellLayout page = (CellLayout) launcher.getWorkspace().getPageAt(i);
+            int pageId = launcher.getWorkspace().getIdForScreen(page);
+            assertEquals("The page's id at index " + i + " does NOT match.", pageId,
+                    pageIds[i]);
+        }
+    }
+
+    private void assertItemsOnPage(Launcher launcher, int pageId, String... itemTitles) {
+        Set<String> itemTitleSet = Arrays.stream(itemTitles).collect(Collectors.toSet());
+        CellLayout page = launcher.getWorkspace().getScreenWithId(pageId);
+        int itemCount = page.getShortcutsAndWidgets().getChildCount();
+        for (int i = 0; i < itemCount; i++) {
+            ItemInfo itemInfo = (ItemInfo) page.getShortcutsAndWidgets().getChildAt(i).getTag();
+            if (itemInfo != null) {
+                assertTrue("There was an extra item on page " + pageId + ": " + itemInfo.title,
+                        itemTitleSet.remove(itemInfo.title));
+            }
+        }
+        assertTrue("Could NOT find some of the items on page " + pageId + ": "
+                        + itemTitleSet.stream().collect(Collectors.joining(",")),
+                itemTitleSet.isEmpty());
+    }
+}
diff --git a/tests/tapl/com/android/launcher3/tapl/BaseOverview.java b/tests/tapl/com/android/launcher3/tapl/BaseOverview.java
index d5479fb..3eb8cf1 100644
--- a/tests/tapl/com/android/launcher3/tapl/BaseOverview.java
+++ b/tests/tapl/com/android/launcher3/tapl/BaseOverview.java
@@ -212,7 +212,7 @@
         try (LauncherInstrumentation.Closable c = mLauncher.addContextLayer(
                 "want to get overview actions")) {
             verifyActiveContainer();
-            UiObject2 overviewActions = mLauncher.waitForLauncherObject("action_buttons");
+            UiObject2 overviewActions = mLauncher.waitForOverviewObject("action_buttons");
             return new OverviewActions(overviewActions, mLauncher);
         }
     }
@@ -224,19 +224,16 @@
         return mLauncher.hasLauncherObject(mLauncher.getOverviewObjectSelector("clear_all"));
     }
 
-    /* TODO(b/197630182): Once b/188790554 is fixed, remove instanceof check. Currently, when
-        swiping from app to overview in Fallback Recents, taskbar remains and no action buttons
-        are visible, so we are only testing Overview for now, not BaseOverview. */
     private void verifyActionsViewVisibility() {
-        if (!(this instanceof Overview) || !hasTasks()) {
+        if (!hasTasks()) {
             return;
         }
         try (LauncherInstrumentation.Closable c = mLauncher.addContextLayer(
                 "want to assert overview actions view visibility")) {
             if (mLauncher.isTablet() && !isOverviewSnappedToFocusedTaskForTablet()) {
-                mLauncher.waitUntilLauncherObjectGone("action_buttons");
+                mLauncher.waitUntilOverviewObjectGone("action_buttons");
             } else {
-                mLauncher.waitForLauncherObject("action_buttons");
+                mLauncher.waitForOverviewObject("action_buttons");
             }
         }
     }
diff --git a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
index 2fbe460..91b1bc7 100644
--- a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
+++ b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
@@ -544,11 +544,11 @@
                     : TestHelpers.getSystemHealthMessage(getContext(), mTestStartTime);
 
             if (systemHealth != null) {
-                return message
-                        + ";\nPerhaps linked to system health problems:\n<<<<<<<<<<<<<<<<<<\n"
+                message += ";\nPerhaps linked to system health problems:\n<<<<<<<<<<<<<<<<<<\n"
                         + systemHealth + "\n>>>>>>>>>>>>>>>>>>";
             }
         }
+        Log.d(TAG, "About to throw the error: " + message, new Exception());
         return message;
     }
 
@@ -1029,6 +1029,10 @@
         waitUntilGoneBySelector(getLauncherObjectSelector(resId));
     }
 
+    void waitUntilOverviewObjectGone(String resId) {
+        waitUntilGoneBySelector(getOverviewObjectSelector(resId));
+    }
+
     void waitUntilLauncherObjectGone(BySelector selector) {
         waitUntilGoneBySelector(makeLauncherSelector(selector));
     }
diff --git a/tests/tapl/com/android/launcher3/tapl/Widgets.java b/tests/tapl/com/android/launcher3/tapl/Widgets.java
index 6e7264a..0bac2ca 100644
--- a/tests/tapl/com/android/launcher3/tapl/Widgets.java
+++ b/tests/tapl/com/android/launcher3/tapl/Widgets.java
@@ -77,7 +77,8 @@
             mLauncher.scroll(
                     widgetsContainer,
                     Direction.UP,
-                    new Rect(0, 0, mLauncher.getVisibleBounds(widgetsContainer).width(), 0),
+                    new Rect(0, 0, mLauncher.getRightGestureMarginInContainer(widgetsContainer) + 1,
+                            0),
                     FLING_STEPS, false);
             try (LauncherInstrumentation.Closable c1 = mLauncher.addContextLayer("flung back")) {
                 verifyActiveContainer();
diff --git a/tests/tapl/com/android/launcher3/tapl/Workspace.java b/tests/tapl/com/android/launcher3/tapl/Workspace.java
index 0145690..d9f5cc8 100644
--- a/tests/tapl/com/android/launcher3/tapl/Workspace.java
+++ b/tests/tapl/com/android/launcher3/tapl/Workspace.java
@@ -145,16 +145,7 @@
             if (!isWorkspaceScrollable(workspace)) {
                 try (LauncherInstrumentation.Closable c = mLauncher.addContextLayer(
                         "dragging icon to a second page of workspace to make it scrollable")) {
-                    dragIconToWorkspace(
-                            mLauncher,
-                            getHotseatAppIcon("Chrome"),
-                            new Point(mLauncher.getDevice().getDisplayWidth(),
-                                    mLauncher.getVisibleBounds(workspace).centerY()),
-                            "popup_container",
-                            false,
-                            false,
-                            () -> mLauncher.expectEvent(
-                                    TestProtocol.SEQUENCE_MAIN, LONG_CLICK_EVENT));
+                    dragIcon(workspace, getHotseatAppIcon("Chrome"), pagesPerScreen());
                     verifyActiveContainer();
                 }
             }
@@ -163,6 +154,48 @@
         }
     }
 
+    /**
+     * Returns the number of pages that are visible on the screen simultaneously.
+     */
+    public int pagesPerScreen() {
+        return mLauncher.isTwoPanels() ? 2 : 1;
+    }
+
+    /**
+     * Drags an icon to the (currentPage + pageDelta) page if the page already exists.
+     * If the target page doesn't exist, the icon will be put onto an existing page that is the
+     * closest to the target page.
+     *
+     * @param appIcon   - icon to drag.
+     * @param pageDelta - how many pages should the icon be dragged from the current page.
+     *                    It can be a negative value.
+     */
+    public void dragIcon(AppIcon appIcon, int pageDelta) {
+        try (LauncherInstrumentation.Closable e = mLauncher.eventsCheck()) {
+            final UiObject2 workspace = verifyActiveContainer();
+            try (LauncherInstrumentation.Closable c = mLauncher.addContextLayer(
+                    "dragging icon to page with delta: " + pageDelta)) {
+                dragIcon(workspace, appIcon, pageDelta);
+                verifyActiveContainer();
+            }
+        }
+    }
+
+    private void dragIcon(UiObject2 workspace, AppIcon appIcon, int pageDelta) {
+        int pageWidth = mLauncher.getDevice().getDisplayWidth() / pagesPerScreen();
+        int targetX = (pageWidth / 2) + pageWidth * pageDelta;
+        dragIconToWorkspace(
+                mLauncher,
+                appIcon,
+                new Point(targetX, mLauncher.getVisibleBounds(workspace).centerY()),
+                "popup_container",
+                false,
+                false,
+                () -> mLauncher.expectEvent(
+                        TestProtocol.SEQUENCE_MAIN, LONG_CLICK_EVENT));
+        verifyActiveContainer();
+    }
+
     private boolean isWorkspaceScrollable(UiObject2 workspace) {
         return workspace.getChildCount() > (mLauncher.isTwoPanels() ? 2 : 1);
     }
@@ -258,10 +291,26 @@
         try (LauncherInstrumentation.Closable ignored = launcher.addContextLayer(
                 "want to drag icon to workspace")) {
             final long downTime = SystemClock.uptimeMillis();
-            final Point dragStartCenter = dragIconToSpringLoaded(launcher, downTime,
+            Point dragStart = dragIconToSpringLoaded(launcher, downTime,
                     launchable.getObject(), longPressIndicator, expectLongClickEvents);
-            final Point targetDest = dest.get();
-            launcher.movePointer(dragStartCenter, targetDest, 10, downTime, true,
+            Point targetDest = dest.get();
+            int displayX = launcher.getRealDisplaySize().x;
+
+            // Since the destination can be on another page, we need to drag to the edge first
+            // until we reach the target page
+            while (targetDest.x > displayX || targetDest.x < 0) {
+                int edgeX = targetDest.x > 0 ? displayX : 0;
+                Point screenEdge = new Point(edgeX, targetDest.y);
+                launcher.movePointer(dragStart, screenEdge, 10, downTime, true,
+                        LauncherInstrumentation.GestureScope.INSIDE);
+                launcher.waitForIdle(); // Wait for the page change to happen
+                targetDest.x += displayX * (targetDest.x > 0 ? -1 : 1);
+                dragStart = screenEdge;
+            }
+
+            // targetDest.x is now between 0 and displayX so we found the target page,
+            // we just have to put move the icon to the destination and drop it
+            launcher.movePointer(dragStart, targetDest, 10, downTime, true,
                     LauncherInstrumentation.GestureScope.INSIDE);
             dropDraggedIcon(launcher, targetDest, downTime, expectDropEvents);
         }