diff --git a/Android.mk b/Android.mk
index 5def65f..3a9a2c3 100644
--- a/Android.mk
+++ b/Android.mk
@@ -94,7 +94,7 @@
 LOCAL_MIN_SDK_VERSION := 21
 LOCAL_PACKAGE_NAME := Launcher3
 LOCAL_PRIVILEGED_MODULE := true
-LOCAL_PRODUCT_MODULE := true
+LOCAL_SYSTEM_EXT_MODULE := true
 LOCAL_OVERRIDES_PACKAGES := Home Launcher2
 LOCAL_REQUIRED_MODULES := privapp_whitelist_com.android.launcher3
 
@@ -125,7 +125,7 @@
 LOCAL_MIN_SDK_VERSION := 21
 LOCAL_PACKAGE_NAME := Launcher3Go
 LOCAL_PRIVILEGED_MODULE := true
-LOCAL_PRODUCT_MODULE := true
+LOCAL_SYSTEM_EXT_MODULE := true
 LOCAL_OVERRIDES_PACKAGES := Home Launcher2 Launcher3 Launcher3QuickStep
 LOCAL_REQUIRED_MODULES := privapp_whitelist_com.android.launcher3
 
@@ -191,7 +191,7 @@
 endif
 LOCAL_PACKAGE_NAME := Launcher3QuickStep
 LOCAL_PRIVILEGED_MODULE := true
-LOCAL_PRODUCT_MODULE := true
+LOCAL_SYSTEM_EXT_MODULE := true
 LOCAL_OVERRIDES_PACKAGES := Home Launcher2 Launcher3
 LOCAL_REQUIRED_MODULES := privapp_whitelist_com.android.launcher3
 
@@ -241,54 +241,8 @@
 
 LOCAL_PACKAGE_NAME := Launcher3QuickStepGo
 LOCAL_PRIVILEGED_MODULE := true
-LOCAL_PRODUCT_MODULE := true
-LOCAL_OVERRIDES_PACKAGES := Home Launcher2 Launcher3 Launcher3QuickStep Launcher3GoIconRecents
-LOCAL_REQUIRED_MODULES := privapp_whitelist_com.android.launcher3
-
-LOCAL_FULL_LIBS_MANIFEST_FILES := \
-    $(LOCAL_PATH)/go/AndroidManifest.xml \
-    $(LOCAL_PATH)/quickstep/AndroidManifest-launcher.xml \
-    $(LOCAL_PATH)/AndroidManifest-common.xml
-
-LOCAL_MANIFEST_FILE := quickstep/AndroidManifest.xml
-LOCAL_JACK_COVERAGE_INCLUDE_FILTER := com.android.launcher3.*
-include $(BUILD_PACKAGE)
-
-#
-# Build rule for Launcher3 Go app with quickstep and Go-specific
-# version of recents for Android Go devices.
-#
-include $(CLEAR_VARS)
-LOCAL_USE_AAPT2 := true
-LOCAL_MODULE_TAGS := optional
-
-LOCAL_STATIC_JAVA_LIBRARIES := SystemUISharedLibLauncherWrapper launcherprotosnano
-ifneq (,$(wildcard frameworks/base))
-  LOCAL_PRIVATE_PLATFORM_APIS := true
-else
-  LOCAL_SDK_VERSION := system_current
-  LOCAL_MIN_SDK_VERSION := 26
-endif
-LOCAL_STATIC_ANDROID_LIBRARIES := Launcher3CommonDepsLib
-
-LOCAL_SRC_FILES := \
-    $(call all-java-files-under, src) \
-    $(call all-java-files-under, quickstep/src) \
-    $(call all-java-files-under, go/src) \
-    $(call all-java-files-under, go/quickstep/src)
-
-LOCAL_RESOURCE_DIR := \
-    $(LOCAL_PATH)/quickstep/res \
-    $(LOCAL_PATH)/go/res \
-    $(LOCAL_PATH)/go/quickstep/res
-
-LOCAL_PROGUARD_FLAG_FILES := proguard.flags
-LOCAL_PROGUARD_ENABLED := full
-
-LOCAL_PACKAGE_NAME := Launcher3GoIconRecents
-LOCAL_PRIVILEGED_MODULE := true
-LOCAL_PRODUCT_MODULE := true
-LOCAL_OVERRIDES_PACKAGES := Home Launcher2 Launcher3 Launcher3Go Launcher3QuickStep
+LOCAL_SYSTEM_EXT_MODULE := true
+LOCAL_OVERRIDES_PACKAGES := Home Launcher2 Launcher3 Launcher3QuickStep
 LOCAL_REQUIRED_MODULES := privapp_whitelist_com.android.launcher3
 
 LOCAL_FULL_LIBS_MANIFEST_FILES := \
diff --git a/CleanSpec.mk b/CleanSpec.mk
index b2c5266..f7bda94 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -53,6 +53,16 @@
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/APPS/Launcher2_intermediates)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/Launcher2.apk)
 
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/product/priv-app/Launcher3)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/product/priv-app/Launcher3Go)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/product/priv-app/Launcher3QuickStep)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/product/priv-app/Launcher3QuickStepGo)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/product/priv-app/Launcher3GoIconRecents)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/product/priv-app/Launcher3)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/product/priv-app/Launcher3Go)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/product/priv-app/Launcher3QuickStep)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/product/priv-app/Launcher3QuickStepGo)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/product/priv-app/Launcher3GoIconRecents)
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************
diff --git a/go/quickstep/res/drawable/clear_all_button.xml b/go/quickstep/res/drawable/clear_all_button.xml
deleted file mode 100644
index acac32d..0000000
--- a/go/quickstep/res/drawable/clear_all_button.xml
+++ /dev/null
@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-     Copyright (C) 2019 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-<shape
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:shape="rectangle">
-    <solid android:color="@color/clear_all_button_bg"/>
-    <corners android:radius="4dp"/>
-</shape>
diff --git a/go/quickstep/res/drawable/default_thumbnail.xml b/go/quickstep/res/drawable/default_thumbnail.xml
deleted file mode 100644
index ab22dcf..0000000
--- a/go/quickstep/res/drawable/default_thumbnail.xml
+++ /dev/null
@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-     Copyright (C) 2019 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-<shape
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:shape="rectangle">
-    <solid android:color="@android:color/darker_gray"/>
-    <corners android:radius="@dimen/task_thumbnail_corner_radius"/>
-</shape>
diff --git a/go/quickstep/res/drawable/empty_content_box.xml b/go/quickstep/res/drawable/empty_content_box.xml
deleted file mode 100644
index a488388..0000000
--- a/go/quickstep/res/drawable/empty_content_box.xml
+++ /dev/null
@@ -1,23 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-     Copyright (C) 2019 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-<shape
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:shape="rectangle">
-    <solid android:color="@android:color/transparent"/>
-    <stroke android:color="@android:color/white" android:width="4px"/>
-    <corners android:radius="2dp"/>
-</shape>
\ No newline at end of file
diff --git a/go/quickstep/res/layout/clear_all_button.xml b/go/quickstep/res/layout/clear_all_button.xml
deleted file mode 100644
index eef66ad..0000000
--- a/go/quickstep/res/layout/clear_all_button.xml
+++ /dev/null
@@ -1,34 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-     Copyright (C) 2019 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.
--->
-<FrameLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/clear_all_item_view"
-    android:layout_width="match_parent"
-    android:layout_height="@dimen/clear_all_item_view_height">
-    <Button
-        android:id="@+id/clear_all_button"
-        android:layout_width="@dimen/clear_all_button_width"
-        android:layout_height="match_parent"
-        android:layout_gravity="center_horizontal"
-        android:background="@drawable/clear_all_button"
-        android:gravity="center"
-        android:text="@string/recents_clear_all"
-        android:textAllCaps="false"
-        android:textColor="@color/clear_all_button_text"
-        android:textSize="14sp"
-        style="@style/TextTitle"/>
-</FrameLayout>
diff --git a/go/quickstep/res/layout/fallback_recents_activity.xml b/go/quickstep/res/layout/fallback_recents_activity.xml
deleted file mode 100644
index 653f463..0000000
--- a/go/quickstep/res/layout/fallback_recents_activity.xml
+++ /dev/null
@@ -1,30 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-     Copyright (C) 2019 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.
--->
-<com.android.quickstep.fallback.GoRecentsActivityRootView
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/drag_layer"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:fitsSystemWindows="true">
-
-    <include
-        android:id="@+id/overview_panel"
-        layout="@layout/overview_panel"
-        android:clipChildren="false"
-        android:clipToPadding="false"
-        android:outlineProvider="none"
-        android:theme="@style/HomeScreenElementTheme" />
-</com.android.quickstep.fallback.GoRecentsActivityRootView>
diff --git a/go/quickstep/res/layout/icon_recents_root_view.xml b/go/quickstep/res/layout/icon_recents_root_view.xml
deleted file mode 100644
index 8381ebc..0000000
--- a/go/quickstep/res/layout/icon_recents_root_view.xml
+++ /dev/null
@@ -1,41 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-     Copyright (C) 2019 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.
--->
-<com.android.quickstep.views.IconRecentsView
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical"
-    android:clipChildren="false">
-    <androidx.recyclerview.widget.RecyclerView
-        android:id="@+id/recent_task_recycler_view"
-        android:layout_width="@dimen/recents_list_width"
-        android:layout_height="match_parent"
-        android:layout_gravity="center_horizontal"
-        android:scrollbars="none"
-        android:clipToPadding="false"
-        android:clipChildren="false"/>
-    <TextView
-        android:id="@+id/recent_task_empty_view"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:gravity="center"
-        android:text="@string/recents_empty_message"
-        android:textColor="@android:color/white"
-        android:textSize="25sp"
-        style="@style/TextTitle"
-        android:visibility="gone"/>
-</com.android.quickstep.views.IconRecentsView>
\ No newline at end of file
diff --git a/go/quickstep/res/layout/overview_panel.xml b/go/quickstep/res/layout/overview_panel.xml
deleted file mode 100644
index 601edce..0000000
--- a/go/quickstep/res/layout/overview_panel.xml
+++ /dev/null
@@ -1,21 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-     Copyright (C) 2019 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.
--->
-<fragment android:name="com.android.quickstep.IconRecentsFragment"
-          xmlns:android="http://schemas.android.com/apk/res/android"
-          android:id="@+id/low_ram_recents_fragment"
-          android:layout_width="match_parent"
-          android:layout_height="match_parent"/>
diff --git a/go/quickstep/res/layout/task_item_view.xml b/go/quickstep/res/layout/task_item_view.xml
deleted file mode 100644
index aeac477..0000000
--- a/go/quickstep/res/layout/task_item_view.xml
+++ /dev/null
@@ -1,46 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-     Copyright (C) 2019 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.
--->
-<com.android.quickstep.views.TaskItemView
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="@dimen/task_item_height"
-    android:orientation="horizontal"
-    android:clipChildren="false">
-    <com.android.quickstep.views.TaskThumbnailIconView
-        android:id="@+id/task_icon_and_thumbnail"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:layout_marginHorizontal="@dimen/task_thumbnail_icon_horiz_margin">
-        <ImageView
-            android:id="@+id/task_thumbnail"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"/>
-        <ImageView
-            android:id="@+id/task_icon"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"/>
-    </com.android.quickstep.views.TaskThumbnailIconView>
-    <TextView
-        android:id="@+id/task_label"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center_vertical"
-        android:singleLine="true"
-        android:textColor="@android:color/white"
-        android:textSize="24sp"
-        style="@style/TextTitle"/>
-</com.android.quickstep.views.TaskItemView>
diff --git a/go/quickstep/res/values-sw480dp/dimens.xml b/go/quickstep/res/values-sw480dp/dimens.xml
deleted file mode 100644
index 571b8a1..0000000
--- a/go/quickstep/res/values-sw480dp/dimens.xml
+++ /dev/null
@@ -1,30 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-     Copyright (C) 2019 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="recents_list_width">480dp</dimen>
-
-    <dimen name="task_item_height">90dp</dimen>
-    <dimen name="task_item_top_margin">24dp</dimen>
-    <dimen name="task_thumbnail_icon_horiz_margin">24dp</dimen>
-
-    <dimen name="task_thumbnail_corner_radius">4dp</dimen>
-
-    <dimen name="clear_all_item_view_height">52dp</dimen>
-    <dimen name="clear_all_item_view_top_margin">28dp</dimen>
-    <dimen name="clear_all_item_view_bottom_margin">28dp</dimen>
-    <dimen name="clear_all_button_width">160dp</dimen>
-</resources>
\ No newline at end of file
diff --git a/go/quickstep/res/values/colors.xml b/go/quickstep/res/values/colors.xml
deleted file mode 100644
index ff9dc9c..0000000
--- a/go/quickstep/res/values/colors.xml
+++ /dev/null
@@ -1,20 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-     Copyright (C) 2019 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-<resources>
-    <color name="clear_all_button_bg">#FFDADCE0</color>
-    <color name="clear_all_button_text">#FF5F6368</color>
-</resources>
diff --git a/go/quickstep/res/values/dimens.xml b/go/quickstep/res/values/dimens.xml
deleted file mode 100644
index 91040f2..0000000
--- a/go/quickstep/res/values/dimens.xml
+++ /dev/null
@@ -1,30 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-     Copyright (C) 2019 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="recents_list_width">320dp</dimen>
-
-    <dimen name="task_item_height">60dp</dimen>
-    <dimen name="task_item_top_margin">16dp</dimen>
-    <dimen name="task_thumbnail_icon_horiz_margin">16dp</dimen>
-
-    <dimen name="task_thumbnail_corner_radius">3dp</dimen>
-
-    <dimen name="clear_all_item_view_height">36dp</dimen>
-    <dimen name="clear_all_item_view_top_margin">20dp</dimen>
-    <dimen name="clear_all_item_view_bottom_margin">20dp</dimen>
-    <dimen name="clear_all_button_width">106dp</dimen>
-</resources>
\ No newline at end of file
diff --git a/go/quickstep/res/values/override.xml b/go/quickstep/res/values/override.xml
deleted file mode 100644
index bb267a3..0000000
--- a/go/quickstep/res/values/override.xml
+++ /dev/null
@@ -1,28 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2018 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<!-- Class overrides for Go version of launcher with Go recents. -->
-
-<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-  <string name="app_transition_manager_class" translatable="false">com.android.launcher3.GoLauncherAppTransitionManagerImpl</string>
-
-  <string name="instant_app_resolver_class" translatable="false">com.android.quickstep.InstantAppResolverImpl</string>
-
-  <string name="main_process_initializer_class" translatable="false">com.android.quickstep.QuickstepProcessInitializer</string>
-
-  <string name="user_event_dispatcher_class" translatable="false">com.android.quickstep.logging.UserEventDispatcherExtension</string>
-</resources>
-
diff --git a/go/quickstep/src/com/android/launcher3/GoLauncherAppTransitionManagerImpl.java b/go/quickstep/src/com/android/launcher3/GoLauncherAppTransitionManagerImpl.java
deleted file mode 100644
index 3953fd0..0000000
--- a/go/quickstep/src/com/android/launcher3/GoLauncherAppTransitionManagerImpl.java
+++ /dev/null
@@ -1,98 +0,0 @@
-package com.android.launcher3;
-
-import static com.android.launcher3.Utilities.postAsyncCallback;
-import static com.android.launcher3.anim.Interpolators.AGGRESSIVE_EASE;
-import static com.android.launcher3.anim.Interpolators.LINEAR;
-import static com.android.quickstep.TaskUtils.taskIsATargetWithMode;
-import static com.android.quickstep.views.IconRecentsView.CONTENT_ALPHA;
-import static com.android.systemui.shared.system.RemoteAnimationTargetCompat.MODE_OPENING;
-
-import android.animation.AnimatorSet;
-import android.animation.ObjectAnimator;
-import android.content.Context;
-import android.os.Handler;
-import android.view.View;
-
-import com.android.quickstep.views.IconRecentsView;
-import com.android.systemui.shared.system.RemoteAnimationRunnerCompat;
-import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
-
-/**
- * A {@link QuickstepAppTransitionManagerImpl} with recents-specific app transitions based off
- * {@link com.android.quickstep.views.IconRecentsView}.
- */
-public final class GoLauncherAppTransitionManagerImpl extends QuickstepAppTransitionManagerImpl {
-
-    public GoLauncherAppTransitionManagerImpl(Context context) {
-        super(context);
-    }
-
-    @Override
-    protected boolean isLaunchingFromRecents(View v, RemoteAnimationTargetCompat[] targets) {
-        return mLauncher.getStateManager().getState().overviewUi;
-    }
-
-    @Override
-    RemoteAnimationRunnerCompat getWallpaperOpenRunner(boolean fromUnlock) {
-        return new GoWallpaperOpenLauncherAnimationRunner(mHandler,
-                false /* startAtFrontOfQueue */, fromUnlock);
-    }
-
-    @Override
-    protected void composeRecentsLaunchAnimator(AnimatorSet anim, View v,
-            RemoteAnimationTargetCompat[] appTargets,
-            RemoteAnimationTargetCompat[] wallpaperTargets,
-            boolean launcherClosing) {
-        // Stubbed. Recents launch animation will come from the recents view itself and will not
-        // use remote animations.
-    }
-
-    @Override
-    protected Runnable composeViewContentAnimator(AnimatorSet anim, float[] alphas, float[] trans) {
-        IconRecentsView overview = mLauncher.getOverviewPanel();
-        ObjectAnimator alpha = ObjectAnimator.ofFloat(overview,
-                CONTENT_ALPHA, alphas);
-        alpha.setDuration(CONTENT_ALPHA_DURATION);
-        alpha.setInterpolator(LINEAR);
-        anim.play(alpha);
-
-        ObjectAnimator transY = ObjectAnimator.ofFloat(overview, View.TRANSLATION_Y, trans);
-        transY.setInterpolator(AGGRESSIVE_EASE);
-        transY.setDuration(CONTENT_TRANSLATION_DURATION);
-        anim.play(transY);
-
-        return mLauncher.getStateManager()::reapplyState;
-    }
-
-    /**
-     * Remote animation runner for animation from app to Launcher. For Go, when going to recents,
-     * we need to ensure that the recents view is ready for remote animation before starting.
-     */
-    private final class GoWallpaperOpenLauncherAnimationRunner extends
-            WallpaperOpenLauncherAnimationRunner {
-        public GoWallpaperOpenLauncherAnimationRunner(Handler handler, boolean startAtFrontOfQueue,
-                boolean fromUnlock) {
-            super(handler, startAtFrontOfQueue, fromUnlock);
-        }
-
-        @Override
-        public void onCreateAnimation(RemoteAnimationTargetCompat[] appTargets,
-                RemoteAnimationTargetCompat[] wallpaperTargets,
-                AnimationResult result) {
-            boolean isGoingToRecents =
-                    taskIsATargetWithMode(appTargets, mLauncher.getTaskId(), MODE_OPENING)
-                    && (mLauncher.getStateManager().getState() == LauncherState.OVERVIEW);
-            if (isGoingToRecents) {
-                IconRecentsView recentsView = mLauncher.getOverviewPanel();
-                if (!recentsView.isReadyForRemoteAnim()) {
-                    recentsView.setOnReadyForRemoteAnimCallback(() ->
-                        postAsyncCallback(mHandler, () -> onCreateAnimation(appTargets,
-                                wallpaperTargets, result))
-                    );
-                    return;
-                }
-            }
-            super.onCreateAnimation(appTargets, wallpaperTargets, result);
-        }
-    }
-}
diff --git a/go/quickstep/src/com/android/launcher3/LauncherRecentsToActivityHelper.java b/go/quickstep/src/com/android/launcher3/LauncherRecentsToActivityHelper.java
deleted file mode 100644
index c12da94..0000000
--- a/go/quickstep/src/com/android/launcher3/LauncherRecentsToActivityHelper.java
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.launcher3;
-
-import static com.android.launcher3.LauncherState.NORMAL;
-
-import com.android.quickstep.RecentsToActivityHelper;
-
-/**
- * {@link RecentsToActivityHelper} for when the recents implementation is contained in
- * {@link Launcher}.
- */
-public final class LauncherRecentsToActivityHelper implements RecentsToActivityHelper {
-
-    private final Launcher mLauncher;
-
-    public LauncherRecentsToActivityHelper(Launcher launcher) {
-        mLauncher = launcher;
-    }
-
-    @Override
-    public void leaveRecents() {
-        mLauncher.getStateManager().goToState(NORMAL);
-    }
-}
diff --git a/go/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java b/go/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
deleted file mode 100644
index 0c60468..0000000
--- a/go/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
+++ /dev/null
@@ -1,46 +0,0 @@
-/**
- * Copyright (C) 2019 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.uioverrides;
-
-import com.android.launcher3.BaseQuickstepLauncher;
-import com.android.launcher3.uioverrides.touchcontrollers.LandscapeEdgeSwipeController;
-import com.android.launcher3.uioverrides.touchcontrollers.LandscapeStatesTouchController;
-import com.android.launcher3.uioverrides.touchcontrollers.PortraitStatesTouchController;
-import com.android.launcher3.util.TouchController;
-import com.android.quickstep.SysUINavigationMode;
-
-import java.util.ArrayList;
-
-public class QuickstepLauncher extends BaseQuickstepLauncher {
-
-    public static final boolean GO_LOW_RAM_RECENTS_ENABLED = true;
-
-    @Override
-    public TouchController[] createTouchControllers() {
-        ArrayList<TouchController> list = new ArrayList<>();
-        list.add(getDragController());
-
-        if (getDeviceProfile().isVerticalBarLayout()) {
-            list.add(new LandscapeStatesTouchController(this));
-            list.add(new LandscapeEdgeSwipeController(this));
-        } else {
-            boolean allowDragToOverview = SysUINavigationMode.INSTANCE.get(this)
-                    .getMode().hasGestures;
-            list.add(new PortraitStatesTouchController(this, allowDragToOverview));
-        }
-        return list.toArray(new TouchController[list.size()]);
-    }
-}
diff --git a/go/quickstep/src/com/android/launcher3/uioverrides/RecentsViewStateController.java b/go/quickstep/src/com/android/launcher3/uioverrides/RecentsViewStateController.java
deleted file mode 100644
index 0b12ab0..0000000
--- a/go/quickstep/src/com/android/launcher3/uioverrides/RecentsViewStateController.java
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Copyright (C) 2019 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.uioverrides;
-
-import static com.android.quickstep.views.IconRecentsView.CONTENT_ALPHA;
-
-import android.util.FloatProperty;
-
-import com.android.launcher3.Launcher;
-import com.android.launcher3.LauncherRecentsToActivityHelper;
-import com.android.quickstep.views.IconRecentsView;
-
-import androidx.annotation.NonNull;
-
-/**
- * State handler for Go's {@link IconRecentsView}.
- */
-public final class RecentsViewStateController extends
-        BaseRecentsViewStateController<IconRecentsView> {
-
-    public RecentsViewStateController(@NonNull Launcher launcher) {
-        super(launcher);
-        launcher.<IconRecentsView>getOverviewPanel().setRecentsToActivityHelper(
-                new LauncherRecentsToActivityHelper(launcher));
-    }
-
-    @Override
-    FloatProperty<IconRecentsView> getContentAlphaProperty() {
-        return CONTENT_ALPHA;
-    }
-}
diff --git a/go/quickstep/src/com/android/launcher3/uioverrides/states/OverviewState.java b/go/quickstep/src/com/android/launcher3/uioverrides/states/OverviewState.java
deleted file mode 100644
index 212ce9b..0000000
--- a/go/quickstep/src/com/android/launcher3/uioverrides/states/OverviewState.java
+++ /dev/null
@@ -1,159 +0,0 @@
-/*
- * Copyright (C) 2019 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.uioverrides.states;
-
-import static android.view.View.VISIBLE;
-
-import static com.android.launcher3.LauncherAnimUtils.OVERVIEW_TRANSITION_MS;
-import static com.android.launcher3.LauncherAnimUtils.SCALE_PROPERTY;
-import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_OVERVIEW_FADE;
-import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_OVERVIEW_SCALE;
-import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_OVERVIEW_TRANSLATE_X;
-import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_FADE;
-import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_SCALE;
-import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_TRANSLATE;
-import static com.android.launcher3.anim.Interpolators.ACCEL;
-import static com.android.launcher3.anim.Interpolators.DEACCEL_2;
-import static com.android.launcher3.anim.Interpolators.OVERSHOOT_1_2;
-import static com.android.launcher3.anim.Interpolators.OVERSHOOT_1_7;
-import static com.android.launcher3.states.RotationHelper.REQUEST_ROTATE;
-
-import android.content.Context;
-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.anim.AnimatorSetBuilder;
-import com.android.launcher3.userevent.nano.LauncherLogProto;
-import com.android.quickstep.SysUINavigationMode;
-import com.android.quickstep.views.IconRecentsView;
-
-/**
- * Definition for overview state
- */
-public class OverviewState extends LauncherState {
-
-    // Scale recents takes before animating in
-    private static final float RECENTS_PREPARE_SCALE = 1.33f;
-
-    private static final int STATE_FLAGS = FLAG_WORKSPACE_ICONS_CAN_BE_DRAGGED
-            | FLAG_DISABLE_RESTORE | FLAG_OVERVIEW_UI | FLAG_DISABLE_ACCESSIBILITY;
-
-    public OverviewState(int id) {
-        this(id, OVERVIEW_TRANSITION_MS, STATE_FLAGS);
-    }
-
-    protected OverviewState(int id, int transitionDuration, int stateFlags) {
-        super(id, LauncherLogProto.ContainerType.TASKSWITCHER, transitionDuration, stateFlags);
-    }
-
-    @Override
-    public ScaleAndTranslation getOverviewScaleAndTranslation(Launcher launcher) {
-        return new ScaleAndTranslation(1f, 0f, 0f);
-    }
-
-    @Override
-    public void onStateEnabled(Launcher launcher) {
-        IconRecentsView recentsView = launcher.getOverviewPanel();
-        recentsView.onBeginTransitionToOverview();
-        recentsView.setShowStatusBarForegroundScrim(true);
-        // Request orientation be set to unspecified, letting the system decide the best
-        // orientation.
-        launcher.getRotationHelper().setCurrentStateRequest(REQUEST_ROTATE);
-    }
-
-    @Override
-    public void onStateDisabled(Launcher launcher) {
-        IconRecentsView recentsView = launcher.getOverviewPanel();
-        recentsView.setShowStatusBarForegroundScrim(false);
-    }
-
-    @Override
-    public PageAlphaProvider getWorkspacePageAlphaProvider(Launcher launcher) {
-        return new PageAlphaProvider(DEACCEL_2) {
-            @Override
-            public float getPageAlpha(int pageIndex) {
-                return 0;
-            }
-        };
-    }
-
-    @Override
-    public int getVisibleElements(Launcher launcher) {
-        return NONE;
-    }
-
-    @Override
-    public float getWorkspaceScrimAlpha(Launcher launcher) {
-        return 0.5f;
-    }
-
-    @Override
-    public String getDescription(Launcher launcher) {
-        return launcher.getString(R.string.accessibility_desc_recent_apps);
-    }
-
-    @Override
-    public void onBackPressed(Launcher launcher) {
-        // TODO: Add logic to go back to task if coming from a currently running task.
-        super.onBackPressed(launcher);
-    }
-
-    public static float getDefaultSwipeHeight(Launcher launcher) {
-        return getDefaultSwipeHeight(launcher, launcher.getDeviceProfile());
-    }
-
-    public static float getDefaultSwipeHeight(Context context, DeviceProfile dp) {
-        return dp.allAppsCellHeightPx - dp.allAppsIconTextSizePx;
-    }
-
-    @Override
-    public void prepareForAtomicAnimation(Launcher launcher, LauncherState fromState,
-            AnimatorSetBuilder builder) {
-        if (fromState == NORMAL && this == OVERVIEW) {
-            if (SysUINavigationMode.getMode(launcher) == SysUINavigationMode.Mode.NO_BUTTON) {
-                builder.setInterpolator(ANIM_WORKSPACE_SCALE, ACCEL);
-                builder.setInterpolator(ANIM_WORKSPACE_TRANSLATE, ACCEL);
-            } else {
-                builder.setInterpolator(ANIM_WORKSPACE_SCALE, OVERSHOOT_1_2);
-            }
-            builder.setInterpolator(ANIM_WORKSPACE_FADE, OVERSHOOT_1_2);
-            builder.setInterpolator(ANIM_OVERVIEW_SCALE, OVERSHOOT_1_2);
-            builder.setInterpolator(ANIM_OVERVIEW_TRANSLATE_X, OVERSHOOT_1_7);
-            builder.setInterpolator(ANIM_OVERVIEW_FADE, OVERSHOOT_1_2);
-
-            View overview = launcher.getOverviewPanel();
-            if (overview.getVisibility() != VISIBLE) {
-                SCALE_PROPERTY.set(overview, RECENTS_PREPARE_SCALE);
-            }
-        }
-    }
-
-    public static OverviewState newBackgroundState(int id) {
-        return new OverviewState(id);
-    }
-
-    public static OverviewState newPeekState(int id) {
-        return new OverviewState(id);
-    }
-
-    public static OverviewState newSwitchState(int id) {
-        return new OverviewState(id);
-    }
-}
diff --git a/go/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/LandscapeStatesTouchController.java b/go/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/LandscapeStatesTouchController.java
deleted file mode 100644
index 66aec40..0000000
--- a/go/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/LandscapeStatesTouchController.java
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * Copyright (C) 2019 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.uioverrides.touchcontrollers;
-
-import static com.android.launcher3.LauncherState.ALL_APPS;
-import static com.android.launcher3.LauncherState.NORMAL;
-
-import android.view.MotionEvent;
-
-import com.android.launcher3.AbstractFloatingView;
-import com.android.launcher3.Launcher;
-import com.android.launcher3.LauncherState;
-import com.android.launcher3.userevent.nano.LauncherLogProto;
-
-/**
- * Touch controller for landscape mode.
- */
-public final class LandscapeStatesTouchController extends PortraitStatesTouchController {
-
-    public LandscapeStatesTouchController(Launcher l) {
-        super(l, true /* allowDragToOverview */);
-    }
-
-    @Override
-    protected boolean canInterceptTouch(MotionEvent ev) {
-        if (mCurrentAnimation != null) {
-            // If we are already animating from a previous state, we can intercept.
-            return true;
-        }
-        if (AbstractFloatingView.getTopOpenView(mLauncher) != null) {
-            return false;
-        }
-        if (mLauncher.isInState(ALL_APPS)) {
-            // In all-apps only listen if the container cannot scroll itself
-            return mLauncher.getAppsView().shouldContainerScroll(ev);
-        } else if (mLauncher.isInState(NORMAL)) {
-            return true;
-        } else {
-            return false;
-        }
-    }
-
-    @Override
-    protected LauncherState getTargetState(LauncherState fromState, boolean isDragTowardPositive) {
-        if (fromState == ALL_APPS && !isDragTowardPositive) {
-            return NORMAL;
-        } else if (isDragTowardPositive) {
-            return ALL_APPS;
-        }
-        return fromState;
-    }
-
-    @Override
-    protected int getLogContainerTypeForNormalState(MotionEvent ev) {
-        return LauncherLogProto.ContainerType.WORKSPACE;
-    }
-}
diff --git a/go/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/PortraitOverviewStateTouchHelper.java b/go/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/PortraitOverviewStateTouchHelper.java
deleted file mode 100644
index 011a4e7..0000000
--- a/go/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/PortraitOverviewStateTouchHelper.java
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- * Copyright (C) 2019 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.uioverrides.touchcontrollers;
-
-import android.view.MotionEvent;
-
-import com.android.launcher3.Launcher;
-import com.android.launcher3.util.PendingAnimation;
-
-/**
- * Helper class for {@link PortraitStatesTouchController} that determines swipeable regions and
- * animations on the overview state that depend on the recents implementation.
- */
-public final class PortraitOverviewStateTouchHelper {
-
-    public PortraitOverviewStateTouchHelper(Launcher launcher) {}
-
-    /**
-     * Whether or not {@link PortraitStatesTouchController} should intercept the touch when on the
-     * overview state.
-     *
-     * @param ev the motion event
-     * @return true if we should intercept the motion event
-     */
-    boolean canInterceptTouch(MotionEvent ev) {
-        // Go does not support swiping to all-apps from recents.
-        return false;
-    }
-
-    /**
-     * Whether or not swiping down to leave overview state should return to the currently running
-     * task app.
-     *
-     * @return true if going back should take the user to the currently running task
-     */
-    boolean shouldSwipeDownReturnToApp() {
-        // Go does not support swiping tasks down to launch tasks from recents.
-        return false;
-    }
-
-    /**
-     * Create the animation for going from overview to the task app via swiping.
-     *
-     * @param duration how long the animation should be
-     * @return the animation
-     */
-    PendingAnimation createSwipeDownToTaskAppAnimation(long duration) {
-        // Go does not support swiping tasks down to launch tasks from recents.
-        return null;
-    }
-}
diff --git a/go/quickstep/src/com/android/quickstep/AppToOverviewAnimationProvider.java b/go/quickstep/src/com/android/quickstep/AppToOverviewAnimationProvider.java
deleted file mode 100644
index 04753d2..0000000
--- a/go/quickstep/src/com/android/quickstep/AppToOverviewAnimationProvider.java
+++ /dev/null
@@ -1,203 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.quickstep;
-
-import static com.android.launcher3.Utilities.postAsyncCallback;
-import static com.android.launcher3.anim.Interpolators.FAST_OUT_SLOW_IN;
-import static com.android.quickstep.views.IconRecentsView.REMOTE_APP_TO_OVERVIEW_DURATION;
-import static com.android.systemui.shared.system.RemoteAnimationTargetCompat.ACTIVITY_TYPE_HOME;
-import static com.android.systemui.shared.system.RemoteAnimationTargetCompat.MODE_CLOSING;
-import static com.android.systemui.shared.system.RemoteAnimationTargetCompat.MODE_OPENING;
-
-import android.animation.AnimatorSet;
-import android.animation.ValueAnimator;
-import android.app.ActivityOptions;
-import android.content.Context;
-import android.os.Handler;
-import android.util.Log;
-
-import com.android.launcher3.BaseDraggingActivity;
-import com.android.launcher3.LauncherAnimationRunner;
-import com.android.quickstep.util.RemoteAnimationProvider;
-import com.android.quickstep.views.IconRecentsView;
-import com.android.systemui.shared.system.ActivityOptionsCompat;
-import com.android.systemui.shared.system.RemoteAnimationAdapterCompat;
-import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
-
-/**
- * Provider for the atomic remote window animation from the app to the overview.
- *
- * @param <T> activity that contains the overview
- */
-final class AppToOverviewAnimationProvider<T extends BaseDraggingActivity> implements
-        RemoteAnimationProvider {
-    private static final String TAG = "AppToOverviewAnimationProvider";
-
-    private final BaseActivityInterface<T> mActivityInterface;
-    private final int mTargetTaskId;
-    private IconRecentsView mRecentsView;
-    private AppToOverviewAnimationListener mAnimationReadyListener;
-
-    AppToOverviewAnimationProvider(BaseActivityInterface<T> activityInterface, int targetTaskId) {
-        mActivityInterface = activityInterface;
-        mTargetTaskId = targetTaskId;
-    }
-
-    /**
-     * Set listener to various points in the animation preparing to animate.
-     *
-     * @param listener listener
-     */
-    void setAnimationListener(AppToOverviewAnimationListener listener) {
-        mAnimationReadyListener = listener;
-    }
-
-    /**
-     * Callback for when the activity is ready/initialized.
-     *
-     * @param wasVisible true if it was visible before
-     */
-    boolean onActivityReady(Boolean wasVisible) {
-        T activity = mActivityInterface.getCreatedActivity();
-        if (mAnimationReadyListener != null) {
-            mAnimationReadyListener.onActivityReady(activity);
-        }
-        BaseActivityInterface.AnimationFactory factory =
-                mActivityInterface.prepareRecentsUI(wasVisible,
-                        false /* animate activity */, (controller) -> {
-                            controller.dispatchOnStart();
-                            ValueAnimator anim = controller.getAnimationPlayer()
-                                    .setDuration(getRecentsLaunchDuration());
-                            anim.setInterpolator(FAST_OUT_SLOW_IN);
-                            anim.start();
-                        });
-        factory.onRemoteAnimationReceived(null);
-        factory.createActivityInterface(getRecentsLaunchDuration());
-        mRecentsView = activity.getOverviewPanel();
-        return false;
-    }
-
-    /**
-     * Create remote window animation from the currently running app to the overview panel. Should
-     * be called after {@link #onActivityReady}.
-     *
-     * @param appTargets the target apps
-     * @return animation from app to overview
-     */
-    @Override
-    public AnimatorSet createWindowAnimation(RemoteAnimationTargetCompat[] appTargets,
-            RemoteAnimationTargetCompat[] wallpaperTargets) {
-        if (mAnimationReadyListener != null) {
-            mAnimationReadyListener.onWindowAnimationCreated();
-        }
-        AnimatorSet anim = new AnimatorSet();
-        if (mRecentsView == null) {
-            if (Log.isLoggable(TAG, Log.WARN)) {
-                Log.w(TAG, "No recents view. Using stub animation.");
-            }
-            anim.play(ValueAnimator.ofInt(0, 1).setDuration(getRecentsLaunchDuration()));
-            return anim;
-        }
-
-        RemoteAnimationTargets targets =
-                new RemoteAnimationTargets(appTargets, wallpaperTargets, MODE_CLOSING);
-        mRecentsView.setTransitionedFromApp(!targets.isAnimatingHome());
-
-        RemoteAnimationTargetCompat recentsTarget = null;
-        RemoteAnimationTargetCompat closingAppTarget = null;
-
-        for (RemoteAnimationTargetCompat target : appTargets) {
-            if (target.mode == MODE_OPENING) {
-                recentsTarget = target;
-            } else if (target.mode == MODE_CLOSING && target.taskId == mTargetTaskId) {
-                closingAppTarget = target;
-            }
-        }
-
-        if (closingAppTarget == null) {
-            if (Log.isLoggable(TAG, Log.WARN)) {
-                Log.w(TAG, "No closing app target. Using stub animation.");
-            }
-            anim.play(ValueAnimator.ofInt(0, 1).setDuration(getRecentsLaunchDuration()));
-            return anim;
-        }
-        if (recentsTarget == null) {
-            if (Log.isLoggable(TAG, Log.WARN)) {
-                Log.w(TAG, "No recents target. Using stub animation.");
-            }
-            anim.play(ValueAnimator.ofInt(0, 1).setDuration(getRecentsLaunchDuration()));
-            return anim;
-        }
-
-        if (closingAppTarget.activityType == ACTIVITY_TYPE_HOME) {
-            mRecentsView.playRemoteHomeToRecentsAnimation(anim, closingAppTarget, recentsTarget);
-        } else {
-            mRecentsView.playRemoteAppToRecentsAnimation(anim, closingAppTarget, recentsTarget);
-        }
-
-        return anim;
-    }
-
-    @Override
-    public ActivityOptions toActivityOptions(Handler handler, long duration, Context context) {
-        LauncherAnimationRunner runner = new LauncherAnimationRunner(handler,
-                false /* startAtFrontOfQueue */) {
-
-            @Override
-            public void onCreateAnimation(RemoteAnimationTargetCompat[] appTargets,
-                    RemoteAnimationTargetCompat[] wallpaperTargets,
-                    AnimationResult result) {
-                IconRecentsView recentsView = mRecentsView;
-                if (!recentsView.isReadyForRemoteAnim()) {
-                    recentsView.setOnReadyForRemoteAnimCallback(() -> postAsyncCallback(handler,
-                            () -> onCreateAnimation(appTargets, wallpaperTargets, result))
-                    );
-                    return;
-                }
-                result.setAnimation(createWindowAnimation(appTargets, wallpaperTargets), context);
-            }
-        };
-        return ActivityOptionsCompat.makeRemoteAnimation(
-                new RemoteAnimationAdapterCompat(runner, duration,
-                        0 /* statusBarTransitionDelay */));
-    }
-
-    /**
-     * Get duration of animation from app to overview.
-     *
-     * @return duration of animation
-     */
-    long getRecentsLaunchDuration() {
-        return REMOTE_APP_TO_OVERVIEW_DURATION;
-    }
-
-    /**
-     * Listener for various points in the app to overview animation preparing to animate.
-     */
-    interface AppToOverviewAnimationListener {
-        /**
-         * Logic for when activity we're animating to is ready
-         *
-         * @param activity activity to animate to
-         */
-        void onActivityReady(BaseDraggingActivity activity);
-
-        /**
-         * Logic for when we've created the app to recents animation.
-         */
-        void onWindowAnimationCreated();
-    }
-}
diff --git a/go/quickstep/src/com/android/quickstep/ClearAllHolder.java b/go/quickstep/src/com/android/quickstep/ClearAllHolder.java
deleted file mode 100644
index ce87171..0000000
--- a/go/quickstep/src/com/android/quickstep/ClearAllHolder.java
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.quickstep;
-
-import android.view.View;
-
-import androidx.annotation.NonNull;
-import androidx.recyclerview.widget.RecyclerView.ViewHolder;
-
-/**
- * Holder for clear all button view in task recycler view.
- */
-final class ClearAllHolder extends ViewHolder {
-    public ClearAllHolder(@NonNull View itemView) {
-        super(itemView);
-    }
-}
diff --git a/go/quickstep/src/com/android/quickstep/ContentFillItemAnimator.java b/go/quickstep/src/com/android/quickstep/ContentFillItemAnimator.java
deleted file mode 100644
index 808cd72..0000000
--- a/go/quickstep/src/com/android/quickstep/ContentFillItemAnimator.java
+++ /dev/null
@@ -1,281 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.quickstep;
-
-import static android.view.View.ALPHA;
-
-import static com.android.quickstep.TaskAdapter.CHANGE_EVENT_TYPE_EMPTY_TO_CONTENT;
-import static com.android.quickstep.views.TaskItemView.CONTENT_TRANSITION_PROGRESS;
-
-import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
-import android.animation.ObjectAnimator;
-import android.view.View;
-
-import androidx.annotation.NonNull;
-import androidx.recyclerview.widget.RecyclerView.ViewHolder;
-import androidx.recyclerview.widget.SimpleItemAnimator;
-
-import com.android.quickstep.views.TaskItemView;
-
-import java.util.ArrayList;
-import java.util.Comparator;
-import java.util.List;
-
-/**
- * An item animator that is only set and used for the transition from the empty loading UI to
- * the filled task content UI. The animation starts from the bottom to top, changing all valid
- * empty item views to be filled and removing all extra empty views.
- */
-public final class ContentFillItemAnimator extends SimpleItemAnimator {
-
-    private static final class PendingAnimation {
-        ViewHolder viewHolder;
-        int animType;
-
-        PendingAnimation(ViewHolder vh, int type) {
-            viewHolder = vh;
-            animType = type;
-        }
-    }
-
-    private static final int ANIM_TYPE_REMOVE = 0;
-    private static final int ANIM_TYPE_CHANGE = 1;
-
-    private static final int ITEM_BETWEEN_DELAY = 40;
-    private static final int ITEM_CHANGE_DURATION = 150;
-    private static final int ITEM_REMOVE_DURATION = 150;
-
-    /**
-     * Animations that have been registered to occur together at the next call of
-     * {@link #runPendingAnimations()} but have not started.
-     */
-    private final ArrayList<PendingAnimation> mPendingAnims = new ArrayList<>();
-
-    /**
-     * Animations that have started and are running.
-     */
-    private final ArrayList<ObjectAnimator> mRunningAnims = new ArrayList<>();
-
-    private Runnable mOnFinishRunnable;
-
-    /**
-     * Set runnable to run after the content fill animation is fully completed.
-     *
-     * @param runnable runnable to run on end
-     */
-    public void setOnAnimationFinishedRunnable(Runnable runnable) {
-        mOnFinishRunnable = runnable;
-    }
-
-    @Override
-    public void setChangeDuration(long changeDuration) {
-        throw new UnsupportedOperationException("Cascading item animator cannot have animation "
-                + "duration changed.");
-    }
-
-    @Override
-    public void setRemoveDuration(long removeDuration) {
-        throw new UnsupportedOperationException("Cascading item animator cannot have animation "
-                + "duration changed.");
-    }
-
-    @Override
-    public boolean animateRemove(ViewHolder holder) {
-        PendingAnimation pendAnim = new PendingAnimation(holder, ANIM_TYPE_REMOVE);
-        mPendingAnims.add(pendAnim);
-        return true;
-    }
-
-    private void animateRemoveImpl(ViewHolder holder, long startDelay) {
-        final View view = holder.itemView;
-        if (holder.itemView.getAlpha() == 0) {
-            // View is already visually removed. We can just get rid of it now.
-            view.setAlpha(1.0f);
-            dispatchRemoveFinished(holder);
-            dispatchFinishedWhenDone();
-            return;
-        }
-        final ObjectAnimator anim = ObjectAnimator.ofFloat(
-                holder.itemView, ALPHA, holder.itemView.getAlpha(), 0.0f);
-        anim.setDuration(ITEM_REMOVE_DURATION).setStartDelay(startDelay);
-        anim.addListener(
-                new AnimatorListenerAdapter() {
-                    @Override
-                    public void onAnimationStart(Animator animation) {
-                        dispatchRemoveStarting(holder);
-                    }
-
-                    @Override
-                    public void onAnimationEnd(Animator animation) {
-                        view.setAlpha(1);
-                        dispatchRemoveFinished(holder);
-                        mRunningAnims.remove(anim);
-                        dispatchFinishedWhenDone();
-                    }
-                }
-        );
-        anim.start();
-        mRunningAnims.add(anim);
-    }
-
-    @Override
-    public boolean animateAdd(ViewHolder holder) {
-        dispatchAddFinished(holder);
-        return false;
-    }
-
-    @Override
-    public boolean animateMove(ViewHolder holder, int fromX, int fromY, int toX,
-            int toY) {
-        dispatchMoveFinished(holder);
-        return false;
-    }
-
-    @Override
-    public boolean animateChange(ViewHolder oldHolder,
-            ViewHolder newHolder, int fromLeft, int fromTop, int toLeft, int toTop) {
-        // Only support changes where the holders are the same
-        if (oldHolder == newHolder) {
-            PendingAnimation pendAnim = new PendingAnimation(oldHolder, ANIM_TYPE_CHANGE);
-            mPendingAnims.add(pendAnim);
-            return true;
-        }
-        dispatchChangeFinished(oldHolder, true /* oldItem */);
-        dispatchChangeFinished(newHolder, false /* oldItem */);
-        return false;
-    }
-
-    private void animateChangeImpl(ViewHolder viewHolder, long startDelay) {
-        TaskItemView itemView = (TaskItemView) viewHolder.itemView;
-        if (itemView.getAlpha() == 0) {
-            // View is still not visible, so we can finish the change immediately.
-            CONTENT_TRANSITION_PROGRESS.set(itemView, 1.0f);
-            dispatchChangeFinished(viewHolder, true /* oldItem */);
-            dispatchFinishedWhenDone();
-            return;
-        }
-        final ObjectAnimator anim =
-                ObjectAnimator.ofFloat(itemView, CONTENT_TRANSITION_PROGRESS, 0.0f, 1.0f);
-        anim.setDuration(ITEM_CHANGE_DURATION).setStartDelay(startDelay);
-        anim.addListener(
-                new AnimatorListenerAdapter() {
-                    @Override
-                    public void onAnimationStart(Animator animation) {
-                        dispatchChangeStarting(viewHolder, true /* oldItem */);
-                    }
-
-                    @Override
-                    public void onAnimationEnd(Animator animation) {
-                        CONTENT_TRANSITION_PROGRESS.set(itemView, 1.0f);
-                        dispatchChangeFinished(viewHolder, true /* oldItem */);
-                        mRunningAnims.remove(anim);
-                        dispatchFinishedWhenDone();
-                    }
-                }
-        );
-        anim.start();
-        mRunningAnims.add(anim);
-    }
-
-    @Override
-    public void runPendingAnimations() {
-        // Run animations bottom to top.
-        mPendingAnims.sort(Comparator.comparingInt(o -> -o.viewHolder.itemView.getBottom()));
-        int delay = 0;
-        while (!mPendingAnims.isEmpty()) {
-            PendingAnimation curAnim = mPendingAnims.remove(0);
-            ViewHolder vh = curAnim.viewHolder;
-            switch (curAnim.animType) {
-                case ANIM_TYPE_REMOVE:
-                    animateRemoveImpl(vh, delay);
-                    break;
-                case ANIM_TYPE_CHANGE:
-                    animateChangeImpl(vh, delay);
-                    break;
-                default:
-                    break;
-            }
-            delay += ITEM_BETWEEN_DELAY;
-        }
-    }
-
-    @Override
-    public void endAnimation(@NonNull ViewHolder item) {
-        for (int i = mPendingAnims.size() - 1; i >= 0; i--) {
-            endPendingAnimation(mPendingAnims.get(i));
-            mPendingAnims.remove(i);
-        }
-        dispatchFinishedWhenDone();
-    }
-
-    @Override
-    public void endAnimations() {
-        if (!isRunning()) {
-            return;
-        }
-        for (int i = mPendingAnims.size() - 1; i >= 0; i--) {
-            endPendingAnimation(mPendingAnims.get(i));
-            mPendingAnims.remove(i);
-        }
-        for (int i = mRunningAnims.size() - 1; i >= 0; i--) {
-            ObjectAnimator anim = mRunningAnims.get(i);
-            // This calls the on end animation callback which will set values to their end target.
-            anim.cancel();
-        }
-        dispatchFinishedWhenDone();
-    }
-
-    private void endPendingAnimation(PendingAnimation pendAnim) {
-        ViewHolder item = pendAnim.viewHolder;
-        switch (pendAnim.animType) {
-            case ANIM_TYPE_REMOVE:
-                item.itemView.setAlpha(1.0f);
-                dispatchRemoveFinished(item);
-                break;
-            case ANIM_TYPE_CHANGE:
-                CONTENT_TRANSITION_PROGRESS.set(item.itemView, 1.0f);
-                dispatchChangeFinished(item, true /* oldItem */);
-                break;
-            default:
-                break;
-        }
-    }
-
-    @Override
-    public boolean isRunning() {
-        return !mPendingAnims.isEmpty() || !mRunningAnims.isEmpty();
-    }
-
-    @Override
-    public boolean canReuseUpdatedViewHolder(@NonNull ViewHolder viewHolder,
-            @NonNull List<Object> payloads) {
-        if (!payloads.isEmpty()
-                && (int) payloads.get(0) == CHANGE_EVENT_TYPE_EMPTY_TO_CONTENT) {
-            return true;
-        }
-        return super.canReuseUpdatedViewHolder(viewHolder, payloads);
-    }
-
-    private void dispatchFinishedWhenDone() {
-        if (!isRunning()) {
-            dispatchAnimationsFinished();
-            if (mOnFinishRunnable != null) {
-                mOnFinishRunnable.run();
-            }
-        }
-    }
-}
diff --git a/go/quickstep/src/com/android/quickstep/FallbackActivityInterface.java b/go/quickstep/src/com/android/quickstep/FallbackActivityInterface.java
deleted file mode 100644
index ecb9472..0000000
--- a/go/quickstep/src/com/android/quickstep/FallbackActivityInterface.java
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.quickstep;
-
-import static com.android.launcher3.anim.Interpolators.LINEAR;
-import static com.android.quickstep.views.IconRecentsView.CONTENT_ALPHA;
-
-import android.animation.AnimatorSet;
-import android.animation.ObjectAnimator;
-import android.graphics.Rect;
-
-import androidx.annotation.Nullable;
-
-import com.android.launcher3.anim.AnimatorPlaybackController;
-import com.android.launcher3.userevent.nano.LauncherLogProto;
-import com.android.quickstep.util.ActivityInitListener;
-import com.android.quickstep.views.IconRecentsView;
-
-import java.util.function.Consumer;
-import java.util.function.Predicate;
-
-/**
- * {@link BaseActivityInterface} for recents when the default launcher is different than the
- * currently running one and apps should interact with the {@link RecentsActivity} as opposed
- * to the in-launcher one.
- */
-public final class FallbackActivityInterface extends
-        GoActivityInterface<RecentsActivity> {
-
-    public FallbackActivityInterface() { }
-
-    @Override
-    public AnimationFactory prepareRecentsUI(boolean activityVisible,
-            boolean animateActivity, Consumer<AnimatorPlaybackController> callback) {
-        if (activityVisible) {
-            return (transitionLength) -> { };
-        }
-
-        RecentsActivity activity = getCreatedActivity();
-        IconRecentsView rv = activity.getOverviewPanel();
-        rv.setUsingRemoteAnimation(true);
-        rv.setAlpha(0);
-
-        return new AnimationFactory() {
-
-            boolean isAnimatingToRecents = false;
-
-            @Override
-            public void onRemoteAnimationReceived(RemoteAnimationTargets targets) {
-                isAnimatingToRecents = targets != null && targets.isAnimatingHome();
-                if (!isAnimatingToRecents) {
-                    rv.setAlpha(1);
-                }
-                createActivityInterface(getSwipeUpDestinationAndLength(
-                        activity.getDeviceProfile(), activity, new Rect()));
-            }
-
-            @Override
-            public void createActivityInterface(long transitionLength) {
-                if (!isAnimatingToRecents) {
-                    return;
-                }
-
-                ObjectAnimator anim = ObjectAnimator.ofFloat(rv, CONTENT_ALPHA, 0, 1);
-                anim.setDuration(transitionLength).setInterpolator(LINEAR);
-                AnimatorSet animatorSet = new AnimatorSet();
-                animatorSet.play(anim);
-                callback.accept(AnimatorPlaybackController.wrap(animatorSet, transitionLength));
-            }
-        };
-    }
-
-    @Override
-    public ActivityInitListener createActivityInitListener(
-            Predicate<Boolean> onInitListener) {
-        return new ActivityInitListener<>((activity, alreadyOnHome) ->
-                onInitListener.test(alreadyOnHome), RecentsActivity.ACTIVITY_TRACKER);
-    }
-
-    @Nullable
-    @Override
-    public RecentsActivity getCreatedActivity() {
-        return RecentsActivity.ACTIVITY_TRACKER.getCreatedActivity();
-    }
-
-    @Nullable
-    @Override
-    public IconRecentsView getVisibleRecentsView() {
-        RecentsActivity activity = getCreatedActivity();
-        if (activity != null && activity.hasWindowFocus()) {
-            return activity.getOverviewPanel();
-        }
-        return null;
-    }
-
-    @Override
-    public boolean switchToRecentsIfVisible(Runnable onCompleteCallback) {
-        return false;
-    }
-
-    @Override
-    public int getContainerType() {
-        return LauncherLogProto.ContainerType.SIDELOADED_LAUNCHER;
-    }
-
-    @Override
-    public void onLaunchTaskSuccess() { }
-}
diff --git a/go/quickstep/src/com/android/quickstep/FallbackRecentsToActivityHelper.java b/go/quickstep/src/com/android/quickstep/FallbackRecentsToActivityHelper.java
deleted file mode 100644
index a845f93..0000000
--- a/go/quickstep/src/com/android/quickstep/FallbackRecentsToActivityHelper.java
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (C) 2019 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;
-
-/**
- * {@link RecentsToActivityHelper} for when we are using the fallback recents in
- * {@link BaseRecentsActivity}.
- */
-public final class FallbackRecentsToActivityHelper implements RecentsToActivityHelper {
-
-    BaseRecentsActivity mActivity;
-
-    public FallbackRecentsToActivityHelper(BaseRecentsActivity activity) {
-        mActivity = activity;
-    }
-
-    @Override
-    public void leaveRecents() {
-        mActivity.startHome();
-    }
-}
diff --git a/go/quickstep/src/com/android/quickstep/GoActivityInterface.java b/go/quickstep/src/com/android/quickstep/GoActivityInterface.java
deleted file mode 100644
index b62d17c..0000000
--- a/go/quickstep/src/com/android/quickstep/GoActivityInterface.java
+++ /dev/null
@@ -1,69 +0,0 @@
-package com.android.quickstep;
-
-import android.content.Context;
-import android.graphics.Rect;
-
-import com.android.launcher3.BaseDraggingActivity;
-import com.android.launcher3.DeviceProfile;
-import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
-
-/**
- * Base activity control helper for Go that stubs out most of the functionality that is not needed
- * for Go.
- *
- * @param <T> activity that contains the overview
- */
-public abstract class GoActivityInterface<T extends BaseDraggingActivity> implements
-        BaseActivityInterface<T> {
-
-    @Override
-    public void onTransitionCancelled(boolean activityVisible) {
-        // Go transitions to overview are all atomic.
-    }
-
-    @Override
-    public int getSwipeUpDestinationAndLength(DeviceProfile dp, Context context, Rect outRect) {
-        // TODO Implement outRect depending on where the task should animate to.
-        // Go does not support swipe up gesture.
-        return 0;
-    }
-
-    @Override
-    public void onSwipeUpToRecentsComplete() {
-        // Go does not support swipe up gesture.
-    }
-
-    @Override
-    public void onAssistantVisibilityChanged(float visibility) {
-        // Go does not support assistant visibility transitions.
-    }
-
-    @Override
-    public HomeAnimationFactory prepareHomeUI() {
-        // Go does not support gestures from app to home.
-        return null;
-    }
-
-    @Override
-    public Rect getOverviewWindowBounds(Rect homeBounds, RemoteAnimationTargetCompat target) {
-        // Go does not support gestures to overview.
-        return null;
-    }
-
-    @Override
-    public boolean shouldMinimizeSplitScreen() {
-        // Go does not support split screen.
-        return true;
-    }
-
-    @Override
-    public boolean isInLiveTileMode() {
-        // Go does not support live tiles.
-        return false;
-    }
-
-    @Override
-    public void onLaunchTaskFailed() {
-        // Go does not support gestures from one task to another.
-    }
-}
diff --git a/go/quickstep/src/com/android/quickstep/IconRecentsFragment.java b/go/quickstep/src/com/android/quickstep/IconRecentsFragment.java
deleted file mode 100644
index facf0d2..0000000
--- a/go/quickstep/src/com/android/quickstep/IconRecentsFragment.java
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.quickstep;
-
-import android.app.Fragment;
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-
-import com.android.launcher3.R;
-
-public class IconRecentsFragment extends Fragment {
-    @Nullable
-    @Override
-    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
-            @Nullable Bundle savedInstanceState) {
-        return inflater.inflate(R.layout.icon_recents_root_view, container, false);
-    }
-}
\ No newline at end of file
diff --git a/go/quickstep/src/com/android/quickstep/LauncherActivityInterface.java b/go/quickstep/src/com/android/quickstep/LauncherActivityInterface.java
deleted file mode 100644
index 3e93480..0000000
--- a/go/quickstep/src/com/android/quickstep/LauncherActivityInterface.java
+++ /dev/null
@@ -1,112 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.quickstep;
-
-import static com.android.launcher3.LauncherState.OVERVIEW;
-
-import com.android.launcher3.Launcher;
-import com.android.launcher3.LauncherAppState;
-import com.android.launcher3.LauncherInitListener;
-import com.android.launcher3.LauncherState;
-import com.android.launcher3.anim.AnimatorPlaybackController;
-import com.android.launcher3.userevent.nano.LauncherLogProto;
-import com.android.quickstep.views.IconRecentsView;
-
-import java.util.function.Consumer;
-import java.util.function.Predicate;
-
-/**
- * {@link BaseActivityInterface} for the in-launcher recents.
- * TODO: Implement the app to overview animation functionality
- */
-public final class LauncherActivityInterface extends GoActivityInterface<Launcher> {
-
-    @Override
-    public AnimationFactory prepareRecentsUI(boolean activityVisible, boolean animateActivity,
-            Consumer<AnimatorPlaybackController> callback) {
-        Launcher launcher = getCreatedActivity();
-        LauncherState fromState = launcher.getStateManager().getState();
-        launcher.<IconRecentsView>getOverviewPanel().setUsingRemoteAnimation(true);
-        //TODO: Implement this based off where the recents view needs to be for app => recents anim.
-        return new AnimationFactory() {
-            public void createActivityInterface(long transitionLength) {
-                callback.accept(launcher.getStateManager().createAnimationToNewWorkspace(
-                        fromState, OVERVIEW, transitionLength));
-            }
-
-            @Override
-            public void onTransitionCancelled() {}
-        };
-    }
-
-    @Override
-    public LauncherInitListener createActivityInitListener(Predicate<Boolean> onInitListener) {
-        return new LauncherInitListener((activity, alreadyOnHome) ->
-                onInitListener.test(alreadyOnHome));
-    }
-
-    @Override
-    public Launcher getCreatedActivity() {
-        LauncherAppState app = LauncherAppState.getInstanceNoCreate();
-        if (app == null) {
-            return null;
-        }
-        return (Launcher) app.getModel().getCallback();
-    }
-
-    private Launcher getVisibleLauncher() {
-        Launcher launcher = getCreatedActivity();
-        return (launcher != null) && launcher.isStarted() && launcher.hasWindowFocus() ?
-                launcher : null;
-    }
-
-    @Override
-    public IconRecentsView getVisibleRecentsView() {
-        Launcher launcher = getVisibleLauncher();
-        return launcher != null && launcher.getStateManager().getState().overviewUi
-                ? launcher.getOverviewPanel() : null;
-    }
-
-    @Override
-    public boolean switchToRecentsIfVisible(Runnable onCompleteCallback) {
-        Launcher launcher = getVisibleLauncher();
-        if (launcher == null) {
-            return false;
-        }
-        launcher.<IconRecentsView>getOverviewPanel().setUsingRemoteAnimation(false);
-        launcher.getUserEventDispatcher().logActionCommand(
-                LauncherLogProto.Action.Command.RECENTS_BUTTON,
-                getContainerType(),
-                LauncherLogProto.ContainerType.TASKSWITCHER);
-        launcher.getStateManager().goToState(OVERVIEW,
-                launcher.getStateManager().shouldAnimateStateChange(), onCompleteCallback);
-        return true;
-    }
-
-    @Override
-    public int getContainerType() {
-        final Launcher launcher = getVisibleLauncher();
-        return launcher != null ? launcher.getStateManager().getState().containerType
-                : LauncherLogProto.ContainerType.APP;
-    }
-
-    @Override
-    public void onLaunchTaskSuccess() {
-        Launcher launcher = getCreatedActivity();
-        launcher.getStateManager().moveToRestState();
-    }
-}
diff --git a/go/quickstep/src/com/android/quickstep/OverviewCommandHelper.java b/go/quickstep/src/com/android/quickstep/OverviewCommandHelper.java
deleted file mode 100644
index a436ce7..0000000
--- a/go/quickstep/src/com/android/quickstep/OverviewCommandHelper.java
+++ /dev/null
@@ -1,180 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.quickstep;
-
-import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
-import static com.android.systemui.shared.system.ActivityManagerWrapper.CLOSE_SYSTEM_WINDOWS_REASON_RECENTS;
-
-import android.annotation.TargetApi;
-import android.content.Context;
-import android.os.Build;
-import android.os.SystemClock;
-import android.view.ViewConfiguration;
-
-import com.android.launcher3.BaseDraggingActivity;
-import com.android.launcher3.logging.UserEventDispatcher;
-import com.android.launcher3.userevent.nano.LauncherLogProto;
-import com.android.quickstep.AppToOverviewAnimationProvider.AppToOverviewAnimationListener;
-import com.android.quickstep.util.ActivityInitListener;
-import com.android.quickstep.views.IconRecentsView;
-import com.android.systemui.shared.system.ActivityManagerWrapper;
-import com.android.systemui.shared.system.LatencyTrackerCompat;
-
-/**
- * Helper class to handle various atomic commands for switching between Overview.
- */
-@TargetApi(Build.VERSION_CODES.P)
-public class OverviewCommandHelper {
-
-    private final Context mContext;
-    private final RecentsAnimationDeviceState mDeviceState;
-    private final RecentsModel mRecentsModel;
-    private final OverviewComponentObserver mOverviewComponentObserver;
-
-    private long mLastToggleTime;
-
-    public OverviewCommandHelper(Context context, RecentsAnimationDeviceState deviceState,
-            OverviewComponentObserver observer) {
-        mContext = context;
-        mDeviceState = deviceState;
-        mRecentsModel = RecentsModel.INSTANCE.get(mContext);
-        mOverviewComponentObserver = observer;
-    }
-
-    public void onOverviewToggle() {
-        // If currently screen pinning, do not enter overview
-        if (mDeviceState.isScreenPinningActive()) {
-            return;
-        }
-
-        ActivityManagerWrapper.getInstance()
-                .closeSystemWindows(CLOSE_SYSTEM_WINDOWS_REASON_RECENTS);
-        MAIN_EXECUTOR.execute(new RecentsActivityCommand<>());
-    }
-
-    public void onOverviewShown(boolean triggeredFromAltTab) {
-        MAIN_EXECUTOR.execute(new ShowRecentsCommand());
-    }
-
-    public void onOverviewHidden() {
-        MAIN_EXECUTOR.execute(new HideRecentsCommand());
-    }
-
-    public void onTip(int actionType, int viewType) {
-        MAIN_EXECUTOR.execute(() ->
-                UserEventDispatcher.newInstance(mContext).logActionTip(actionType, viewType));
-    }
-
-    private class ShowRecentsCommand extends RecentsActivityCommand {
-
-        @Override
-        protected boolean handleCommand(long elapsedTime) {
-            return mHelper.getVisibleRecentsView() != null;
-        }
-    }
-
-    private class HideRecentsCommand extends RecentsActivityCommand {
-
-        @Override
-        protected boolean handleCommand(long elapsedTime) {
-            IconRecentsView recents = (IconRecentsView) mHelper.getVisibleRecentsView();
-            if (recents == null) {
-                return false;
-            }
-            recents.handleOverviewCommand();
-            return true;
-        }
-    }
-
-    private class RecentsActivityCommand<T extends BaseDraggingActivity> implements Runnable {
-
-        protected final BaseActivityInterface<T> mHelper;
-        private final long mCreateTime;
-
-        private final long mToggleClickedTime = SystemClock.uptimeMillis();
-        private boolean mUserEventLogged;
-        private ActivityInitListener<T> mListener;
-
-        public RecentsActivityCommand() {
-            mHelper = mOverviewComponentObserver.getActivityInterface();
-            mCreateTime = SystemClock.elapsedRealtime();
-
-            // Preload the plan
-            mRecentsModel.getTasks(null);
-        }
-
-        @Override
-        public void run() {
-            long elapsedTime = mCreateTime - mLastToggleTime;
-            mLastToggleTime = mCreateTime;
-
-            if (handleCommand(elapsedTime)) {
-                // Command already handled.
-                return;
-            }
-
-            if (mHelper.switchToRecentsIfVisible(null /* onCompleteCallback */)) {
-                // If successfully switched, then return
-                return;
-            }
-
-            AppToOverviewAnimationProvider<T> provider =
-                    new AppToOverviewAnimationProvider<>(mHelper, RecentsModel.getRunningTaskId());
-            provider.setAnimationListener(
-                    new AppToOverviewAnimationListener() {
-                        @Override
-                        public void onActivityReady(BaseDraggingActivity activity) {
-                            if (!mUserEventLogged) {
-                                activity.getUserEventDispatcher().logActionCommand(
-                                        LauncherLogProto.Action.Command.RECENTS_BUTTON,
-                                        mHelper.getContainerType(),
-                                        LauncherLogProto.ContainerType.TASKSWITCHER);
-                                mUserEventLogged = true;
-                            }
-                        }
-
-                        @Override
-                        public void onWindowAnimationCreated() {
-                            if (LatencyTrackerCompat.isEnabled(mContext)) {
-                                LatencyTrackerCompat.logToggleRecents(
-                                        (int) (SystemClock.uptimeMillis() - mToggleClickedTime));
-                            }
-
-                            mListener.unregister();
-                        }
-                    });
-
-            // Otherwise, start overview.
-            mListener = mHelper.createActivityInitListener(provider::onActivityReady);
-            mListener.registerAndStartActivity(mOverviewComponentObserver.getOverviewIntent(),
-                    provider, mContext, MAIN_EXECUTOR.getHandler(),
-                    provider.getRecentsLaunchDuration());
-        }
-
-        protected boolean handleCommand(long elapsedTime) {
-            IconRecentsView recents = mHelper.getVisibleRecentsView();
-            if (recents != null) {
-                recents.handleOverviewCommand();
-                return true;
-            } else if (elapsedTime < ViewConfiguration.getDoubleTapTimeout()) {
-                // The user tried to launch back into overview too quickly, either after
-                // launching an app, or before overview has actually shown, just ignore for now
-                return true;
-            }
-            return false;
-        }
-    }
-}
diff --git a/go/quickstep/src/com/android/quickstep/RecentsActivity.java b/go/quickstep/src/com/android/quickstep/RecentsActivity.java
deleted file mode 100644
index 7f813ce..0000000
--- a/go/quickstep/src/com/android/quickstep/RecentsActivity.java
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.quickstep;
-
-import android.app.ActivityOptions;
-import android.view.View;
-
-import com.android.launcher3.R;
-import com.android.launcher3.views.BaseDragLayer;
-import com.android.quickstep.fallback.GoRecentsActivityRootView;
-import com.android.quickstep.views.IconRecentsView;
-
-/**
- * A recents activity that displays recent tasks with an icon and small snapshot.
- */
-public final class RecentsActivity extends BaseRecentsActivity {
-
-    private GoRecentsActivityRootView mRecentsRootView;
-    private IconRecentsView mIconRecentsView;
-
-    @Override
-    protected void initViews() {
-        setContentView(R.layout.fallback_recents_activity);
-        mRecentsRootView = findViewById(R.id.drag_layer);
-        mIconRecentsView = findViewById(R.id.overview_panel);
-        mIconRecentsView.setRecentsToActivityHelper(new FallbackRecentsToActivityHelper(this));
-        mIconRecentsView.setShowStatusBarForegroundScrim(true);
-    }
-
-    @Override
-    protected void reapplyUi() {
-        // No-op. Insets are automatically re-applied in the root view.
-    }
-
-    @Override
-    public BaseDragLayer getDragLayer() {
-        return mRecentsRootView;
-    }
-
-    @Override
-    public View getRootView() {
-        return mRecentsRootView;
-    }
-
-    @Override
-    public <T extends View> T getOverviewPanel() {
-        return (T) mIconRecentsView;
-    }
-
-    @Override
-    public ActivityOptions getActivityLaunchOptions(View v) {
-        // Stubbed. Recents launch animation will come from the recents view itself.
-        return null;
-    }
-
-    @Override
-    protected void onResume() {
-        mIconRecentsView.onBeginTransitionToOverview();
-        super.onResume();
-    }
-}
diff --git a/go/quickstep/src/com/android/quickstep/RecentsToActivityHelper.java b/go/quickstep/src/com/android/quickstep/RecentsToActivityHelper.java
deleted file mode 100644
index 8f3b707..0000000
--- a/go/quickstep/src/com/android/quickstep/RecentsToActivityHelper.java
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright (C) 2019 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;
-
-/**
- * Generic interface providing methods to the recents implementation that allow it to callback to
- * the containing activity.
- */
-public interface RecentsToActivityHelper {
-
-    /**
-     * The default action to take when leaving/closing recents. In general, this should be used to
-     * go to the appropriate home state.
-     */
-    void leaveRecents();
-}
diff --git a/go/quickstep/src/com/android/quickstep/TaskActionController.java b/go/quickstep/src/com/android/quickstep/TaskActionController.java
deleted file mode 100644
index f49fa3e..0000000
--- a/go/quickstep/src/com/android/quickstep/TaskActionController.java
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.quickstep;
-
-import static com.android.quickstep.TaskAdapter.TASKS_START_POSITION;
-import static com.android.quickstep.TaskUtils.getLaunchComponentKeyForTask;
-
-import android.app.ActivityOptions;
-import android.view.View;
-
-import androidx.annotation.NonNull;
-
-import com.android.launcher3.logging.StatsLogManager;
-import com.android.quickstep.views.TaskItemView;
-import com.android.systemui.shared.recents.model.Task;
-import com.android.systemui.shared.recents.model.Task.TaskKey;
-import com.android.systemui.shared.system.ActivityManagerWrapper;
-
-/**
- * Controller that provides logic for task-related commands on recents and updating the model/view
- * as appropriate.
- */
-public final class TaskActionController {
-
-    private final TaskListLoader mLoader;
-    private final TaskAdapter mAdapter;
-    private final StatsLogManager mStatsLogManager;
-
-    public TaskActionController(TaskListLoader loader, TaskAdapter adapter,
-            StatsLogManager logManager) {
-        mLoader = loader;
-        mAdapter = adapter;
-        mStatsLogManager = logManager;
-    }
-
-    /**
-     * Launch the task associated with the task holder, animating into the app from the task view.
-     *
-     * @param viewHolder the task view holder to launch
-     */
-    public void launchTaskFromView(@NonNull TaskHolder viewHolder) {
-        if (!viewHolder.getTask().isPresent()) {
-            return;
-        }
-        TaskItemView itemView = (TaskItemView) (viewHolder.itemView);
-        View v = itemView.getThumbnailView();
-        int left = 0;
-        int top = 0;
-        int width = v.getMeasuredWidth();
-        int height = v.getMeasuredHeight();
-
-        TaskKey key = viewHolder.getTask().get().key;
-        ActivityOptions opts = ActivityOptions.makeClipRevealAnimation(v, left, top, width, height);
-        ActivityManagerWrapper.getInstance().startActivityFromRecentsAsync(key, opts,
-                null /* resultCallback */, null /* resultCallbackHandler */);
-        mStatsLogManager.logTaskLaunch(null /* view */, getLaunchComponentKeyForTask(key));
-    }
-
-    /**
-     * Launch the task directly with a basic animation.
-     *
-     * @param task the task to launch
-     */
-    public void launchTask(@NonNull Task task) {
-        ActivityOptions opts = ActivityOptions.makeBasic();
-        ActivityManagerWrapper.getInstance().startActivityFromRecentsAsync(task.key, opts,
-                null /* resultCallback */, null /* resultCallbackHandler */);
-        mStatsLogManager.logTaskLaunch(null /* view */, getLaunchComponentKeyForTask(task.key));
-    }
-
-    /**
-     * Removes the task holder and the task, updating the model and the view.
-     *
-     * @param viewHolder the task view holder to remove
-     */
-    public void removeTask(TaskHolder viewHolder) {
-        if (!viewHolder.getTask().isPresent()) {
-            return;
-        }
-        int position = viewHolder.getAdapterPosition();
-        Task task = viewHolder.getTask().get();
-        ActivityManagerWrapper.getInstance().removeTask(task.key.id);
-        mLoader.removeTask(task);
-        mAdapter.notifyItemRemoved(position);
-        // TODO(b/131840601): Add logging point for removal.
-    }
-
-    /**
-     * Clears all tasks and updates the model and view.
-     */
-    public void clearAllTasks() {
-        int count = mAdapter.getItemCount();
-        ActivityManagerWrapper.getInstance().removeAllRecentTasks();
-        mLoader.clearAllTasks();
-        mAdapter.notifyItemRangeRemoved(TASKS_START_POSITION /* positionStart */, count);
-    }
-}
diff --git a/go/quickstep/src/com/android/quickstep/TaskAdapter.java b/go/quickstep/src/com/android/quickstep/TaskAdapter.java
deleted file mode 100644
index 509bf29..0000000
--- a/go/quickstep/src/com/android/quickstep/TaskAdapter.java
+++ /dev/null
@@ -1,179 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.quickstep;
-
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.View.OnClickListener;
-import android.view.ViewGroup;
-import android.widget.Button;
-
-import androidx.annotation.NonNull;
-import androidx.recyclerview.widget.RecyclerView.Adapter;
-import androidx.recyclerview.widget.RecyclerView.ViewHolder;
-
-import com.android.launcher3.R;
-import com.android.quickstep.views.TaskItemView;
-import com.android.systemui.shared.recents.model.Task;
-
-import java.util.List;
-import java.util.Objects;
-import java.util.Optional;
-
-/**
- * Recycler view adapter that dynamically inflates and binds {@link TaskHolder} instances with the
- * appropriate {@link Task} from the recents task list.
- */
-public final class TaskAdapter extends Adapter<ViewHolder> {
-
-    public static final int CHANGE_EVENT_TYPE_EMPTY_TO_CONTENT = 0;
-    public static final int MAX_TASKS_TO_DISPLAY = 6;
-    public static final int TASKS_START_POSITION = 1;
-
-    public static final int ITEM_TYPE_TASK = 0;
-    public static final int ITEM_TYPE_CLEAR_ALL = 1;
-
-    private static final String TAG = "TaskAdapter";
-    private final TaskListLoader mLoader;
-    private TaskActionController mTaskActionController;
-    private OnClickListener mClearAllListener;
-    private boolean mIsShowingLoadingUi;
-
-    public TaskAdapter(@NonNull TaskListLoader loader) {
-        mLoader = loader;
-    }
-
-    public void setActionController(TaskActionController taskActionController) {
-        mTaskActionController = taskActionController;
-    }
-
-    public void setOnClearAllClickListener(OnClickListener listener) {
-        mClearAllListener = listener;
-    }
-
-    /**
-     * Sets all positions in the task adapter to loading views, binding new views if necessary.
-     * This changes the task adapter's view of the data, so the appropriate notify events should be
-     * called in addition to this method to reflect the changes.
-     *
-     * @param isShowingLoadingUi true to bind loading task views to all positions, false to return
-     *                           to the real data
-     */
-    public void setIsShowingLoadingUi(boolean isShowingLoadingUi) {
-        mIsShowingLoadingUi = isShowingLoadingUi;
-    }
-
-    @Override
-    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
-        switch (viewType) {
-            case ITEM_TYPE_TASK:
-                TaskItemView itemView = (TaskItemView) LayoutInflater.from(parent.getContext())
-                        .inflate(R.layout.task_item_view, parent, false);
-                TaskHolder taskHolder = new TaskHolder(itemView);
-                itemView.setOnClickListener(
-                        view -> mTaskActionController.launchTaskFromView(taskHolder));
-                return taskHolder;
-            case ITEM_TYPE_CLEAR_ALL:
-                View clearView = LayoutInflater.from(parent.getContext())
-                        .inflate(R.layout.clear_all_button, parent, false);
-                ClearAllHolder clearAllHolder = new ClearAllHolder(clearView);
-                Button clearViewButton = clearView.findViewById(R.id.clear_all_button);
-                clearViewButton.setOnClickListener(mClearAllListener);
-                return clearAllHolder;
-            default:
-                throw new IllegalArgumentException("No known holder for item type: " + viewType);
-        }
-    }
-
-    @Override
-    public void onBindViewHolder(ViewHolder holder, int position) {
-        onBindViewHolderInternal(holder, position, false /* willAnimate */);
-    }
-
-    @Override
-    public void onBindViewHolder(@NonNull ViewHolder holder, int position,
-            @NonNull List<Object> payloads) {
-        if (payloads.isEmpty()) {
-            super.onBindViewHolder(holder, position, payloads);
-            return;
-        }
-        int changeType = (int) payloads.get(0);
-        if (changeType == CHANGE_EVENT_TYPE_EMPTY_TO_CONTENT) {
-            // Bind in preparation for animation
-            onBindViewHolderInternal(holder, position, true /* willAnimate */);
-        } else {
-            throw new IllegalArgumentException("Payload content is not a valid change event type: "
-                    + changeType);
-        }
-    }
-
-    private void onBindViewHolderInternal(@NonNull ViewHolder holder, int position,
-            boolean willAnimate) {
-        int itemType = getItemViewType(position);
-        switch (itemType) {
-            case ITEM_TYPE_TASK:
-                TaskHolder taskHolder = (TaskHolder) holder;
-                if (mIsShowingLoadingUi) {
-                    taskHolder.bindEmptyUi();
-                    return;
-                }
-                List<Task> tasks = mLoader.getCurrentTaskList();
-                int taskPos = position - TASKS_START_POSITION;
-                if (taskPos >= tasks.size()) {
-                    // Task list has updated.
-                    return;
-                }
-                Task task = tasks.get(taskPos);
-                taskHolder.bindTask(task, willAnimate /* willAnimate */);
-                mLoader.loadTaskIconAndLabel(task, () -> {
-                    // Ensure holder still has the same task.
-                    if (Objects.equals(Optional.of(task), taskHolder.getTask())) {
-                        taskHolder.getTaskItemView().setIcon(task.icon);
-                        taskHolder.getTaskItemView().setLabel(task.titleDescription);
-                    }
-                });
-                mLoader.loadTaskThumbnail(task, () -> {
-                    if (Objects.equals(Optional.of(task), taskHolder.getTask())) {
-                        taskHolder.getTaskItemView().setThumbnail(task.thumbnail);
-                    }
-                });
-                break;
-            case ITEM_TYPE_CLEAR_ALL:
-                // Nothing to bind.
-                break;
-            default:
-                throw new IllegalArgumentException("No known holder for item type: " + itemType);
-        }
-    }
-
-    @Override
-    public int getItemViewType(int position) {
-        // Bottom is always clear all button.
-        return (position == 0) ? ITEM_TYPE_CLEAR_ALL : ITEM_TYPE_TASK;
-    }
-
-    @Override
-    public int getItemCount() {
-        int itemCount = TASKS_START_POSITION;
-        if (mIsShowingLoadingUi) {
-            // Show loading version of all items.
-            itemCount += MAX_TASKS_TO_DISPLAY;
-        } else {
-            itemCount += Math.min(mLoader.getCurrentTaskList().size(), MAX_TASKS_TO_DISPLAY);
-        }
-        return itemCount;
-    }
-}
diff --git a/go/quickstep/src/com/android/quickstep/TaskHolder.java b/go/quickstep/src/com/android/quickstep/TaskHolder.java
deleted file mode 100644
index 49b6aaa..0000000
--- a/go/quickstep/src/com/android/quickstep/TaskHolder.java
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.quickstep;
-
-import androidx.annotation.NonNull;
-import androidx.recyclerview.widget.RecyclerView.ViewHolder;
-
-import com.android.quickstep.views.TaskItemView;
-import com.android.systemui.shared.recents.model.Task;
-
-import java.util.Optional;
-
-/**
- * A recycler view holder that holds the task view and binds {@link Task} content (app title, icon,
- * etc.) to the view.
- */
-public final class TaskHolder extends ViewHolder {
-
-    private final TaskItemView mTaskItemView;
-    private Task mTask;
-
-    public TaskHolder(TaskItemView itemView) {
-        super(itemView);
-        mTaskItemView = itemView;
-    }
-
-    public TaskItemView getTaskItemView() {
-        return mTaskItemView;
-    }
-
-    /**
-     * Bind the task model to the holder. This will take the current task content in the task
-     * object (i.e. icon, thumbnail, label) and either apply the content immediately or simply bind
-     * the content to animate to at a later time. If the task does not have all its content loaded,
-     * the view will prepare appropriate default placeholders and it is the callers responsibility
-     * to change them at a later time.
-     *
-     * Regardless of whether it is animating, input handlers will be bound immediately (see
-     * {@link TaskActionController}).
-     *
-     * @param task the task to bind to the view
-     * @param willAnimate true if UI should animate in later, false if it should apply immediately
-     */
-    public void bindTask(@NonNull Task task, boolean willAnimate) {
-        mTask = task;
-        if (willAnimate) {
-            mTaskItemView.startContentAnimation(task.icon, task.thumbnail, task.titleDescription);
-        } else {
-            mTaskItemView.setIcon(task.icon);
-            mTaskItemView.setThumbnail(task.thumbnail);
-            mTaskItemView.setLabel(task.titleDescription);
-        }
-    }
-
-    /**
-     * Bind a generic empty UI to the holder to make it clear that the item is loading/unbound and
-     * should not be expected to react to user input.
-     */
-    public void bindEmptyUi() {
-        mTask = null;
-        mTaskItemView.resetToEmptyUi();
-    }
-
-    /**
-     * Gets the task currently bound to this view. May be null if task holder is in a loading state.
-     *
-     * @return the current task
-     */
-    public Optional<Task> getTask() {
-        return Optional.ofNullable(mTask);
-    }
-}
diff --git a/go/quickstep/src/com/android/quickstep/TaskListLoader.java b/go/quickstep/src/com/android/quickstep/TaskListLoader.java
deleted file mode 100644
index 1335cac..0000000
--- a/go/quickstep/src/com/android/quickstep/TaskListLoader.java
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.quickstep;
-
-import android.content.Context;
-
-import androidx.annotation.Nullable;
-
-import com.android.systemui.shared.recents.model.Task;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-import java.util.function.Consumer;
-
-/**
- * This class is responsible for maintaining the list of tasks and the task content. The list must
- * be updated explicitly with {@link #loadTaskList} whenever the list needs to be
- * up-to-date.
- */
-public final class TaskListLoader {
-
-    private final RecentsModel mRecentsModel;
-
-    private ArrayList<Task> mTaskList = new ArrayList<>();
-    private int mTaskListChangeId;
-
-    public TaskListLoader(Context context) {
-        mRecentsModel = RecentsModel.INSTANCE.get(context);
-    }
-
-    /**
-     * Returns the current task list as of the last completed load (see {@link #loadTaskList}) as a
-     * read-only list. This list of tasks is not guaranteed to have all content loaded.
-     *
-     * @return the current list of tasks
-     */
-    public List<Task> getCurrentTaskList() {
-        return Collections.unmodifiableList(mTaskList);
-    }
-
-    /**
-     * Whether or not the loader needs to load data to be up to date. This can return true if the
-     * task list is already up to date OR there is already a load in progress for the task list to
-     * become up to date.
-     *
-     * @return true if already up to date or load in progress, false otherwise
-     */
-    public boolean needsToLoad() {
-        return !mRecentsModel.isTaskListValid(mTaskListChangeId);
-    }
-
-    /**
-     * Fetches the most recent tasks and updates the task list asynchronously. This call does not
-     * provide guarantees the task content (icon, thumbnail, label) are loaded but will fill in
-     * what it has. May run the callback immediately if there have been no changes in the task
-     * list since the start of the last load.
-     *
-     * @param onLoadedCallback callback to run when task list is loaded
-     */
-    public void loadTaskList(@Nullable Consumer<ArrayList<Task>> onLoadedCallback) {
-        if (!needsToLoad()) {
-            if (onLoadedCallback != null) {
-                onLoadedCallback.accept(mTaskList);
-            }
-            return;
-        }
-        // TODO: Look into error checking / more robust handling for when things go wrong.
-        mTaskListChangeId = mRecentsModel.getTasks(loadedTasks -> {
-            ArrayList<Task> tasks = new ArrayList<>(loadedTasks);
-            // Reverse tasks to put most recent at the bottom of the view
-            Collections.reverse(tasks);
-            // Load task content
-            for (Task task : tasks) {
-                int loadedPos = mTaskList.indexOf(task);
-                if (loadedPos == -1) {
-                    continue;
-                }
-                Task loadedTask = mTaskList.get(loadedPos);
-                task.icon = loadedTask.icon;
-                task.titleDescription = loadedTask.titleDescription;
-                task.thumbnail = loadedTask.thumbnail;
-            }
-            mTaskList = tasks;
-            onLoadedCallback.accept(tasks);
-        });
-    }
-
-    /**
-     * Load task icon and label asynchronously if it is not already loaded in the task. If the task
-     * already has an icon, this calls the callback immediately.
-     *
-     * @param task task to update with icon + label
-     * @param onLoadedCallback callback to run when task has icon and label
-     */
-    public void loadTaskIconAndLabel(Task task, @Nullable Runnable onLoadedCallback) {
-        mRecentsModel.getIconCache().updateIconInBackground(task,
-                loadedTask -> onLoadedCallback.run());
-    }
-
-    /**
-     * Load thumbnail asynchronously if not already loaded in the task. If the task already has a
-     * thumbnail or if the thumbnail is cached, this calls the callback immediately.
-     *
-     * @param task task to update with the thumbnail
-     * @param onLoadedCallback callback to run when task has thumbnail
-     */
-    public void loadTaskThumbnail(Task task, @Nullable Runnable onLoadedCallback) {
-        mRecentsModel.getThumbnailCache().updateThumbnailInBackground(task,
-                thumbnail -> onLoadedCallback.run());
-    }
-
-    /**
-     * Removes the task from the current task list.
-     */
-    void removeTask(Task task) {
-        mTaskList.remove(task);
-    }
-
-    /**
-     * Clears the current task list.
-     */
-    void clearAllTasks() {
-        mTaskList.clear();
-    }
-}
diff --git a/go/quickstep/src/com/android/quickstep/TaskSwipeCallback.java b/go/quickstep/src/com/android/quickstep/TaskSwipeCallback.java
deleted file mode 100644
index 57f49d6..0000000
--- a/go/quickstep/src/com/android/quickstep/TaskSwipeCallback.java
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.quickstep;
-
-import static androidx.recyclerview.widget.ItemTouchHelper.RIGHT;
-
-import static com.android.quickstep.TaskAdapter.ITEM_TYPE_CLEAR_ALL;
-
-import android.graphics.Canvas;
-
-import androidx.annotation.NonNull;
-import androidx.recyclerview.widget.ItemTouchHelper;
-import androidx.recyclerview.widget.RecyclerView;
-import androidx.recyclerview.widget.RecyclerView.ViewHolder;
-
-import java.util.function.Consumer;
-
-/**
- * Callback for swipe input on {@link TaskHolder} views in the recents view.
- */
-public final class TaskSwipeCallback extends ItemTouchHelper.SimpleCallback {
-
-    private final Consumer<TaskHolder> mOnTaskSwipeCallback;
-
-    public TaskSwipeCallback(Consumer<TaskHolder> onTaskSwipeCallback) {
-        super(0 /* dragDirs */, RIGHT);
-        mOnTaskSwipeCallback = onTaskSwipeCallback;
-    }
-
-    @Override
-    public boolean onMove(RecyclerView recyclerView, ViewHolder viewHolder,
-            ViewHolder target) {
-        return false;
-    }
-
-    @Override
-    public void onSwiped(ViewHolder viewHolder, int direction) {
-        if (direction == RIGHT) {
-            mOnTaskSwipeCallback.accept((TaskHolder) viewHolder);
-        }
-    }
-
-    @Override
-    public void onChildDraw(@NonNull Canvas c, @NonNull RecyclerView recyclerView,
-            @NonNull ViewHolder viewHolder, float dX, float dY, int actionState,
-            boolean isCurrentlyActive) {
-        if (actionState == ItemTouchHelper.ACTION_STATE_SWIPE) {
-            float alpha = 1.0f - dX / (float) viewHolder.itemView.getWidth();
-            viewHolder.itemView.setAlpha(alpha);
-        }
-        super.onChildDraw(c, recyclerView, viewHolder, dX, dY,
-                    actionState, isCurrentlyActive);
-    }
-
-    @Override
-    public int getSwipeDirs(@NonNull RecyclerView recyclerView,
-            @NonNull ViewHolder viewHolder) {
-        if (viewHolder.getItemViewType() == ITEM_TYPE_CLEAR_ALL) {
-            // Clear all button should not be swipable.
-            return 0;
-        }
-        return super.getSwipeDirs(recyclerView, viewHolder);
-    }
-}
diff --git a/go/quickstep/src/com/android/quickstep/ThumbnailDrawable.java b/go/quickstep/src/com/android/quickstep/ThumbnailDrawable.java
deleted file mode 100644
index 922e68a..0000000
--- a/go/quickstep/src/com/android/quickstep/ThumbnailDrawable.java
+++ /dev/null
@@ -1,145 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.quickstep;
-
-import static android.graphics.Shader.TileMode.CLAMP;
-
-import android.content.res.Resources;
-import android.graphics.Bitmap;
-import android.graphics.BitmapShader;
-import android.graphics.Canvas;
-import android.graphics.ColorFilter;
-import android.graphics.Matrix;
-import android.graphics.Paint;
-import android.graphics.PixelFormat;
-import android.graphics.Rect;
-import android.graphics.RectF;
-import android.graphics.drawable.Drawable;
-
-import androidx.annotation.NonNull;
-
-import com.android.launcher3.R;
-import com.android.systemui.shared.recents.model.ThumbnailData;
-
-/**
- * Bitmap backed drawable that supports rotating the thumbnail bitmap depending on if the
- * orientation the thumbnail was taken in matches the desired orientation. In addition, the
- * thumbnail always fills into the containing bounds.
- */
-public final class ThumbnailDrawable extends Drawable {
-
-    private final Paint mPaint = new Paint();
-    private final Matrix mMatrix = new Matrix();
-    private final ThumbnailData mThumbnailData;
-    private final BitmapShader mShader;
-    private final RectF mDestRect = new RectF();
-    private final int mCornerRadius;
-    private int mRequestedOrientation;
-
-    public ThumbnailDrawable(Resources res, @NonNull ThumbnailData thumbnailData,
-            int requestedOrientation) {
-        mThumbnailData = thumbnailData;
-        mRequestedOrientation = requestedOrientation;
-        mCornerRadius = (int) res.getDimension(R.dimen.task_thumbnail_corner_radius);
-        mShader = new BitmapShader(mThumbnailData.thumbnail, CLAMP, CLAMP);
-        mPaint.setShader(mShader);
-        mPaint.setAntiAlias(true);
-        updateMatrix();
-    }
-
-    /**
-     * Set the requested orientation.
-     *
-     * @param orientation the orientation we want the thumbnail to be in
-     */
-    public void setRequestedOrientation(int orientation) {
-        if (mRequestedOrientation != orientation) {
-            mRequestedOrientation = orientation;
-            updateMatrix();
-        }
-    }
-
-    @Override
-    public void draw(Canvas canvas) {
-        if (mThumbnailData.thumbnail == null) {
-            return;
-        }
-        canvas.drawRoundRect(mDestRect, mCornerRadius, mCornerRadius, mPaint);
-    }
-
-    @Override
-    protected void onBoundsChange(Rect bounds) {
-        super.onBoundsChange(bounds);
-        mDestRect.set(bounds);
-        updateMatrix();
-    }
-
-    @Override
-    public void setAlpha(int alpha) {
-        final int oldAlpha = mPaint.getAlpha();
-        if (alpha != oldAlpha) {
-            mPaint.setAlpha(alpha);
-            invalidateSelf();
-        }
-    }
-
-    @Override
-    public int getAlpha() {
-        return mPaint.getAlpha();
-    }
-
-    @Override
-    public void setColorFilter(ColorFilter colorFilter) {
-        mPaint.setColorFilter(colorFilter);
-        invalidateSelf();
-    }
-
-    @Override
-    public ColorFilter getColorFilter() {
-        return mPaint.getColorFilter();
-    }
-
-    @Override
-    public int getOpacity() {
-        return PixelFormat.TRANSLUCENT;
-    }
-
-    private void updateMatrix() {
-        if (mThumbnailData.thumbnail == null) {
-            return;
-        }
-        mMatrix.reset();
-        float scaleX;
-        float scaleY;
-        Rect bounds = getBounds();
-        Bitmap thumbnail = mThumbnailData.thumbnail;
-        if (mRequestedOrientation != mThumbnailData.orientation) {
-            // Rotate and translate so that top left is the same.
-            mMatrix.postRotate(90, 0, 0);
-            mMatrix.postTranslate(thumbnail.getHeight(), 0);
-
-            scaleX = (float) bounds.width() / thumbnail.getHeight();
-            scaleY = (float) bounds.height() / thumbnail.getWidth();
-        } else {
-            scaleX = (float) bounds.width() / thumbnail.getWidth();
-            scaleY = (float) bounds.height() / thumbnail.getHeight();
-        }
-        // Scale to fill.
-        mMatrix.postScale(scaleX, scaleY);
-        mShader.setLocalMatrix(mMatrix);
-    }
-}
diff --git a/go/quickstep/src/com/android/quickstep/TouchInteractionService.java b/go/quickstep/src/com/android/quickstep/TouchInteractionService.java
deleted file mode 100644
index f743663..0000000
--- a/go/quickstep/src/com/android/quickstep/TouchInteractionService.java
+++ /dev/null
@@ -1,176 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.quickstep;
-
-import static com.android.systemui.shared.system.QuickStepContract.KEY_EXTRA_SYSUI_PROXY;
-
-import android.annotation.TargetApi;
-import android.app.Service;
-import android.content.BroadcastReceiver;
-import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
-import android.graphics.Region;
-import android.os.Build;
-import android.os.Bundle;
-import android.os.IBinder;
-import android.os.Process;
-import android.os.RemoteException;
-import android.util.Log;
-import android.view.MotionEvent;
-
-import com.android.launcher3.Utilities;
-import com.android.launcher3.compat.UserManagerCompat;
-import com.android.launcher3.util.DefaultDisplay;
-import com.android.quickstep.RecentsAnimationDeviceState;
-import com.android.quickstep.SystemUiProxy;
-import com.android.systemui.shared.recents.IOverviewProxy;
-import com.android.systemui.shared.recents.ISystemUiProxy;
-
-/**
- * Service connected by system-UI for handling touch interaction.
- */
-@TargetApi(Build.VERSION_CODES.O)
-public class TouchInteractionService extends Service {
-
-    private static final String TAG = "GoTouchInteractionService";
-
-    private final IBinder mMyBinder = new IOverviewProxy.Stub() {
-
-        @Override
-        public void onActiveNavBarRegionChanges(Region region) throws RemoteException { }
-
-        @Override
-        public void onInitialize(Bundle bundle) throws RemoteException {
-            ISystemUiProxy iSystemUiProxy = ISystemUiProxy.Stub
-                    .asInterface(bundle.getBinder(KEY_EXTRA_SYSUI_PROXY));
-            SystemUiProxy.INSTANCE.get(TouchInteractionService.this).setProxy(iSystemUiProxy);
-        }
-
-        @Override
-        public void onOverviewToggle() {
-            if (mDeviceState.isUserUnlocked()) {
-                mOverviewCommandHelper.onOverviewToggle();
-            }
-        }
-
-        @Override
-        public void onOverviewShown(boolean triggeredFromAltTab) {
-            if (mDeviceState.isUserUnlocked()) {
-                mOverviewCommandHelper.onOverviewShown(triggeredFromAltTab);
-            }
-        }
-
-        @Override
-        public void onOverviewHidden(boolean triggeredFromAltTab, boolean triggeredFromHomeKey) {
-            if (mDeviceState.isUserUnlocked() && triggeredFromAltTab && !triggeredFromHomeKey) {
-                // onOverviewShownFromAltTab hides the overview and ends at the target app
-                mOverviewCommandHelper.onOverviewHidden();
-            }
-        }
-
-        @Override
-        public void onTip(int actionType, int viewType) {
-            if (mDeviceState.isUserUnlocked()) {
-                mOverviewCommandHelper.onTip(actionType, viewType);
-            }
-        }
-
-        @Override
-        public void onAssistantAvailable(boolean available) {
-            // TODO handle assistant
-        }
-
-        @Override
-        public void onAssistantVisibilityChanged(float visibility) {
-            // TODO handle assistant
-        }
-
-        public void onBackAction(boolean completed, int downX, int downY, boolean isButton,
-                boolean gestureSwipeLeft) {
-        }
-
-        public void onSystemUiStateChanged(int stateFlags) {
-            // To be implemented
-        }
-
-        /** Deprecated methods **/
-        public void onQuickStep(MotionEvent motionEvent) { }
-
-        public void onQuickScrubEnd() { }
-
-        public void onQuickScrubProgress(float progress) { }
-
-        public void onQuickScrubStart() { }
-
-        public void onPreMotionEvent(int downHitTarget) { }
-
-        public void onMotionEvent(MotionEvent ev) { }
-
-        public void onBind(ISystemUiProxy iSystemUiProxy) {
-            SystemUiProxy.INSTANCE.get(TouchInteractionService.this).setProxy(iSystemUiProxy);
-        }
-    };
-
-    private static boolean sConnected = false;;
-
-    public static boolean isConnected() {
-        return sConnected;
-    }
-
-    private RecentsModel mRecentsModel;
-    private OverviewComponentObserver mOverviewComponentObserver;
-    private OverviewCommandHelper mOverviewCommandHelper;
-    private RecentsAnimationDeviceState mDeviceState;
-
-    @Override
-    public void onCreate() {
-        super.onCreate();
-        mDeviceState = new RecentsAnimationDeviceState(this);
-        mDeviceState.runOnUserUnlocked(this::onUserUnlocked);
-
-        sConnected = true;
-    }
-
-    public void onUserUnlocked() {
-        mRecentsModel = RecentsModel.INSTANCE.get(this);
-        mOverviewComponentObserver = new OverviewComponentObserver(this, mDeviceState);
-        mOverviewCommandHelper = new OverviewCommandHelper(this, mDeviceState,
-                mOverviewComponentObserver);
-    }
-
-    @Override
-    public void onDestroy() {
-        if (mDeviceState.isUserUnlocked()) {
-            mOverviewComponentObserver.onDestroy();
-        }
-        mDeviceState.destroy();
-        sConnected = false;
-        super.onDestroy();
-    }
-
-    @Override
-    public IBinder onBind(Intent intent) {
-        if (Log.isLoggable(TAG, Log.DEBUG)) {
-            Log.d(TAG, "Touch service connected");
-        }
-        return mMyBinder;
-    }
-
-    public static boolean isInitialized() {
-        return true;
-    }
-}
diff --git a/go/quickstep/src/com/android/quickstep/fallback/GoRecentsActivityRootView.java b/go/quickstep/src/com/android/quickstep/fallback/GoRecentsActivityRootView.java
deleted file mode 100644
index b550011..0000000
--- a/go/quickstep/src/com/android/quickstep/fallback/GoRecentsActivityRootView.java
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Copyright (C) 2019 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.fallback;
-
-import android.content.Context;
-import android.graphics.Insets;
-import android.graphics.Rect;
-import android.util.AttributeSet;
-import android.view.WindowInsets;
-
-import com.android.launcher3.util.TouchController;
-import com.android.launcher3.views.BaseDragLayer;
-import com.android.quickstep.RecentsActivity;
-
-/**
- * Minimal implementation of {@link BaseDragLayer} for Go's fallback recents activity.
- */
-public final class GoRecentsActivityRootView extends BaseDragLayer<RecentsActivity> {
-    public GoRecentsActivityRootView(Context context, AttributeSet attrs) {
-        super(context, attrs, 1 /* alphaChannelCount */);
-        // Go leaves touch control to the view itself.
-        mControllers = new TouchController[0];
-        setSystemUiVisibility(SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
-                | SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
-                | SYSTEM_UI_FLAG_LAYOUT_STABLE);
-    }
-
-    @Override
-    public void setInsets(Rect insets) {
-        if (insets.equals(mInsets)) {
-            return;
-        }
-        super.setInsets(insets);
-    }
-
-    @Override
-    public WindowInsets onApplyWindowInsets(WindowInsets insets) {
-        Insets sysInsets = insets.getSystemWindowInsets();
-        setInsets(new Rect(sysInsets.left, sysInsets.top, sysInsets.right, sysInsets.bottom));
-        return insets.consumeSystemWindowInsets();
-    }
-}
diff --git a/go/quickstep/src/com/android/quickstep/util/ShelfPeekAnim.java b/go/quickstep/src/com/android/quickstep/util/ShelfPeekAnim.java
deleted file mode 100644
index 3842efb..0000000
--- a/go/quickstep/src/com/android/quickstep/util/ShelfPeekAnim.java
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Copyright (C) 2019 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 com.android.launcher3.Launcher;
-
-/** Empty class, only exists so that lowRamWithQuickstepIconRecentsDebug compiles. */
-public class ShelfPeekAnim {
-    public ShelfPeekAnim(Launcher launcher) {
-    }
-
-    public enum ShelfAnimState {
-    }
-
-    public boolean isPeeking() {
-        return false;
-    }
-}
diff --git a/go/quickstep/src/com/android/quickstep/views/IconRecentsView.java b/go/quickstep/src/com/android/quickstep/views/IconRecentsView.java
deleted file mode 100644
index e380698..0000000
--- a/go/quickstep/src/com/android/quickstep/views/IconRecentsView.java
+++ /dev/null
@@ -1,962 +0,0 @@
-/*
- * Copyright (C) 2019 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.views;
-
-import static android.content.res.Configuration.ORIENTATION_LANDSCAPE;
-
-import static androidx.recyclerview.widget.LinearLayoutManager.VERTICAL;
-
-import static com.android.launcher3.anim.Interpolators.ACCEL_2;
-import static com.android.quickstep.TaskAdapter.CHANGE_EVENT_TYPE_EMPTY_TO_CONTENT;
-import static com.android.quickstep.TaskAdapter.ITEM_TYPE_CLEAR_ALL;
-import static com.android.quickstep.TaskAdapter.ITEM_TYPE_TASK;
-import static com.android.quickstep.TaskAdapter.MAX_TASKS_TO_DISPLAY;
-import static com.android.quickstep.TaskAdapter.TASKS_START_POSITION;
-import static com.android.quickstep.util.RemoteAnimationProvider.getLayer;
-import static com.android.systemui.shared.system.RemoteAnimationTargetCompat.MODE_CLOSING;
-
-import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
-import android.animation.AnimatorSet;
-import android.animation.ObjectAnimator;
-import android.animation.PropertyValuesHolder;
-import android.animation.ValueAnimator;
-import android.content.Context;
-import android.content.res.Resources;
-import android.graphics.Matrix;
-import android.graphics.Rect;
-import android.graphics.RectF;
-import android.graphics.drawable.Drawable;
-import android.os.UserHandle;
-import android.util.ArraySet;
-import android.util.AttributeSet;
-import android.util.FloatProperty;
-import android.view.View;
-import android.view.ViewDebug;
-import android.view.ViewTreeObserver;
-import android.view.animation.PathInterpolator;
-import android.widget.FrameLayout;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.interpolator.view.animation.LinearOutSlowInInterpolator;
-import androidx.recyclerview.widget.DefaultItemAnimator;
-import androidx.recyclerview.widget.ItemTouchHelper;
-import androidx.recyclerview.widget.LinearLayoutManager;
-import androidx.recyclerview.widget.RecyclerView;
-import androidx.recyclerview.widget.RecyclerView.AdapterDataObserver;
-import androidx.recyclerview.widget.RecyclerView.ItemDecoration;
-import androidx.recyclerview.widget.RecyclerView.OnChildAttachStateChangeListener;
-
-import com.android.launcher3.BaseActivity;
-import com.android.launcher3.Insettable;
-import com.android.launcher3.R;
-import com.android.launcher3.util.Themes;
-import com.android.quickstep.ContentFillItemAnimator;
-import com.android.quickstep.RecentsModel;
-import com.android.quickstep.RecentsModel.TaskVisualsChangeListener;
-import com.android.quickstep.RecentsToActivityHelper;
-import com.android.quickstep.TaskActionController;
-import com.android.quickstep.TaskAdapter;
-import com.android.quickstep.TaskHolder;
-import com.android.quickstep.TaskListLoader;
-import com.android.quickstep.TaskSwipeCallback;
-import com.android.quickstep.util.MultiValueUpdateListener;
-import com.android.systemui.shared.recents.model.Task;
-import com.android.systemui.shared.recents.model.ThumbnailData;
-import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
-import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat;
-import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Objects;
-import java.util.Optional;
-
-/**
- * Root view for the icon recents view. Acts as the main interface to the rest of the Launcher code
- * base.
- */
-public final class IconRecentsView extends FrameLayout
-        implements Insettable, TaskVisualsChangeListener {
-
-    public static final FloatProperty<IconRecentsView> CONTENT_ALPHA =
-            new FloatProperty<IconRecentsView>("contentAlpha") {
-                @Override
-                public void setValue(IconRecentsView view, float v) {
-                    ALPHA.set(view, v);
-                    if (view.getVisibility() != VISIBLE && v > 0) {
-                        view.setVisibility(VISIBLE);
-                    } else if (view.getVisibility() != GONE && v == 0){
-                        view.setVisibility(GONE);
-                    }
-                }
-
-                @Override
-                public Float get(IconRecentsView view) {
-                    return ALPHA.get(view);
-                }
-            };
-    private static final long CROSSFADE_DURATION = 300;
-    private static final long LAYOUT_ITEM_ANIMATE_IN_DURATION = 150;
-    private static final long LAYOUT_ITEM_ANIMATE_IN_DELAY_BETWEEN = 40;
-    private static final long ITEM_ANIMATE_OUT_DURATION = 150;
-    private static final long ITEM_ANIMATE_OUT_DELAY_BETWEEN = 40;
-    private static final float ITEM_ANIMATE_OUT_TRANSLATION_X_RATIO = .25f;
-    private static final long CLEAR_ALL_FADE_DELAY = 120;
-
-    private static final long REMOTE_TO_RECENTS_APP_SCALE_DOWN_DURATION = 300;
-    private static final long REMOTE_TO_RECENTS_VERTICAL_EASE_IN_DURATION = 400;
-    private static final long REMOTE_TO_RECENTS_ITEM_FADE_START_DELAY = 200;
-    private static final long REMOTE_TO_RECENTS_ITEM_FADE_DURATION = 217;
-    private static final long REMOTE_TO_RECENTS_ITEM_FADE_BETWEEN_DELAY = 33;
-
-    private static final PathInterpolator FAST_OUT_SLOW_IN_1 =
-            new PathInterpolator(.4f, 0f, 0f, 1f);
-    private static final PathInterpolator FAST_OUT_SLOW_IN_2 =
-            new PathInterpolator(.5f, 0f, 0f, 1f);
-    private static final LinearOutSlowInInterpolator OUT_SLOW_IN =
-            new LinearOutSlowInInterpolator();
-
-    public static final long REMOTE_APP_TO_OVERVIEW_DURATION =
-            REMOTE_TO_RECENTS_VERTICAL_EASE_IN_DURATION;
-
-    /**
-     * A ratio representing the view's relative placement within its padded space. For example, 0
-     * is top aligned and 0.5 is centered vertically.
-     */
-    @ViewDebug.ExportedProperty(category = "launcher")
-
-    private final Context mContext;
-    private final TaskListLoader mTaskLoader;
-    private final TaskAdapter mTaskAdapter;
-    private final LinearLayoutManager mTaskLayoutManager;
-    private final TaskActionController mTaskActionController;
-    private final DefaultItemAnimator mDefaultItemAnimator = new DefaultItemAnimator();
-    private final ContentFillItemAnimator mLoadingContentItemAnimator =
-            new ContentFillItemAnimator();
-    private final BaseActivity mActivity;
-    private final Drawable mStatusBarForegroundScrim;
-
-    private RecentsToActivityHelper mActivityHelper;
-    private RecyclerView mTaskRecyclerView;
-    private View mShowingContentView;
-    private View mEmptyView;
-    private View mContentView;
-    private boolean mTransitionedFromApp;
-    private boolean mUsingRemoteAnimation;
-    private boolean mStartedEnterAnimation;
-    private boolean mShowStatusBarForegroundScrim;
-    private AnimatorSet mLayoutAnimation;
-    private final ArraySet<View> mLayingOutViews = new ArraySet<>();
-    private Rect mInsets;
-
-    public IconRecentsView(Context context, AttributeSet attrs) {
-        super(context, attrs);
-        mActivity = BaseActivity.fromContext(context);
-        mContext = context;
-        mStatusBarForegroundScrim  =
-                Themes.getAttrDrawable(mContext, R.attr.workspaceStatusBarScrim);
-        mTaskLoader = new TaskListLoader(mContext);
-        mTaskAdapter = new TaskAdapter(mTaskLoader);
-        mTaskAdapter.setOnClearAllClickListener(view -> animateClearAllTasks());
-        mTaskActionController = new TaskActionController(mTaskLoader, mTaskAdapter,
-                mActivity.getStatsLogManager());
-        mTaskAdapter.setActionController(mTaskActionController);
-        mTaskLayoutManager = new LinearLayoutManager(mContext, VERTICAL, true /* reverseLayout */);
-    }
-
-    @Override
-    public Task onTaskThumbnailChanged(int taskId, ThumbnailData thumbnailData) {
-        ArrayList<TaskItemView> itemViews = getTaskViews();
-        for (int i = 0, size = itemViews.size(); i < size; i++) {
-            TaskItemView taskView = itemViews.get(i);
-            TaskHolder taskHolder = (TaskHolder) mTaskRecyclerView.getChildViewHolder(taskView);
-            Optional<Task> optTask = taskHolder.getTask();
-            if (optTask.filter(task -> task.key.id == taskId).isPresent()) {
-                Task task = optTask.get();
-                // Update thumbnail on the task.
-                task.thumbnail = thumbnailData;
-                taskView.setThumbnail(thumbnailData);
-                return task;
-            }
-        }
-        return null;
-    }
-
-    @Override
-    public void onTaskIconChanged(String pkg, UserHandle user) { }
-
-    @Override
-    protected void onFinishInflate() {
-        super.onFinishInflate();
-        if (mTaskRecyclerView == null) {
-            mTaskRecyclerView = findViewById(R.id.recent_task_recycler_view);
-            mTaskRecyclerView.setAdapter(mTaskAdapter);
-            mTaskRecyclerView.setLayoutManager(mTaskLayoutManager);
-            ItemTouchHelper helper = new ItemTouchHelper(
-                    new TaskSwipeCallback(holder -> {
-                        mTaskActionController.removeTask(holder);
-                        if (mTaskLoader.getCurrentTaskList().isEmpty()) {
-                            mActivityHelper.leaveRecents();
-                        }
-                    }));
-            helper.attachToRecyclerView(mTaskRecyclerView);
-            mTaskRecyclerView.addOnChildAttachStateChangeListener(
-                    new OnChildAttachStateChangeListener() {
-                        @Override
-                        public void onChildViewAttachedToWindow(@NonNull View view) {
-                            if (mLayoutAnimation != null && !mLayingOutViews.contains(view)) {
-                                // Child view was added that is not part of current layout animation
-                                // so restart the animation.
-                                animateFadeInLayoutAnimation();
-                            }
-                        }
-
-                        @Override
-                        public void onChildViewDetachedFromWindow(@NonNull View view) { }
-                    });
-            mTaskRecyclerView.setItemAnimator(mDefaultItemAnimator);
-            mLoadingContentItemAnimator.setOnAnimationFinishedRunnable(
-                    () -> mTaskRecyclerView.setItemAnimator(new DefaultItemAnimator()));
-            ItemDecoration marginDecorator = new ItemDecoration() {
-                @Override
-                public void getItemOffsets(@NonNull Rect outRect, @NonNull View view,
-                        @NonNull RecyclerView parent, @NonNull RecyclerView.State state) {
-                    // TODO: Determine if current margins cause off screen item to be fully off
-                    // screen and if so, modify them so that it is partially off screen.
-                    int itemType = parent.getChildViewHolder(view).getItemViewType();
-                    Resources res = getResources();
-                    switch (itemType) {
-                        case ITEM_TYPE_CLEAR_ALL:
-                            outRect.top = (int) res.getDimension(
-                                    R.dimen.clear_all_item_view_top_margin);
-                            outRect.bottom = (int) res.getDimension(
-                                    R.dimen.clear_all_item_view_bottom_margin);
-                            break;
-                        case ITEM_TYPE_TASK:
-                            int desiredTopMargin = (int) res.getDimension(
-                                    R.dimen.task_item_top_margin);
-                            if (mTaskRecyclerView.getChildAdapterPosition(view) ==
-                                    state.getItemCount() - 1) {
-                                // Only add top margin to top task view if insets aren't enough.
-                                if (mInsets.top < desiredTopMargin) {
-                                    outRect.top = desiredTopMargin - mInsets.bottom;
-                                }
-                                return;
-                            }
-                            outRect.top = desiredTopMargin;
-                            break;
-                        default:
-                    }
-                }
-            };
-            mTaskRecyclerView.addItemDecoration(marginDecorator);
-
-            mEmptyView = findViewById(R.id.recent_task_empty_view);
-            mContentView = mTaskRecyclerView;
-            mTaskAdapter.registerAdapterDataObserver(new AdapterDataObserver() {
-                @Override
-                public void onChanged() {
-                    updateContentViewVisibility();
-                }
-
-                @Override
-                public void onItemRangeRemoved(int positionStart, int itemCount) {
-                    updateContentViewVisibility();
-                }
-            });
-        }
-    }
-
-    @Override
-    protected void onAttachedToWindow() {
-        super.onAttachedToWindow();
-        RecentsModel.INSTANCE.get(getContext()).addThumbnailChangeListener(this);
-    }
-
-    @Override
-    protected void onDetachedFromWindow() {
-        super.onDetachedFromWindow();
-        RecentsModel.INSTANCE.get(getContext()).removeThumbnailChangeListener(this);
-    }
-
-    @Override
-    public void setEnabled(boolean enabled) {
-        super.setEnabled(enabled);
-        int childCount = mTaskRecyclerView.getChildCount();
-        for (int i = 0; i < childCount; i++) {
-            mTaskRecyclerView.getChildAt(i).setEnabled(enabled);
-        }
-    }
-
-    /**
-     * Set activity helper for the view to callback to.
-     *
-     * @param helper the activity helper
-     */
-    public void setRecentsToActivityHelper(@NonNull RecentsToActivityHelper helper) {
-        mActivityHelper = helper;
-    }
-
-    /**
-     * Logic for when we know we are going to overview/recents and will be putting up the recents
-     * view. This should be used to prepare recents (e.g. load any task data, etc.) before it
-     * becomes visible.
-     */
-    public void onBeginTransitionToOverview() {
-        mStartedEnterAnimation = false;
-        if (mContext.getResources().getConfiguration().orientation == ORIENTATION_LANDSCAPE) {
-            // Scroll to bottom of task in landscape mode. This is a non-issue in portrait mode as
-            // all tasks should be visible to fill up the screen in portrait mode and the view will
-            // not be scrollable.
-            mTaskLayoutManager.scrollToPositionWithOffset(TASKS_START_POSITION, 0 /* offset */);
-        }
-        if (!mUsingRemoteAnimation) {
-            scheduleFadeInLayoutAnimation();
-        }
-        // Load any task changes
-        if (!mTaskLoader.needsToLoad()) {
-            return;
-        }
-        mTaskAdapter.setIsShowingLoadingUi(true);
-        mTaskAdapter.notifyDataSetChanged();
-        mTaskLoader.loadTaskList(tasks -> {
-            int numEmptyItems = mTaskAdapter.getItemCount() - TASKS_START_POSITION;
-            mTaskAdapter.setIsShowingLoadingUi(false);
-            int numActualItems = mTaskAdapter.getItemCount() - TASKS_START_POSITION;
-            if (numEmptyItems < numActualItems) {
-                throw new IllegalStateException("There are less empty item views than the number "
-                        + "of items to animate to.");
-            }
-            // Possible that task list loads faster than adapter changes propagate to layout so
-            // only start content fill animation if there aren't any pending adapter changes and
-            // we've started the on enter layout animation.
-            boolean needsContentFillAnimation =
-                    !mTaskRecyclerView.hasPendingAdapterUpdates() && mStartedEnterAnimation;
-            if (needsContentFillAnimation) {
-                // Set item animator for content filling animation. The item animator will switch
-                // back to the default on completion
-                mTaskRecyclerView.setItemAnimator(mLoadingContentItemAnimator);
-                mTaskAdapter.notifyItemRangeRemoved(TASKS_START_POSITION + numActualItems,
-                        numEmptyItems - numActualItems);
-                mTaskAdapter.notifyItemRangeChanged(TASKS_START_POSITION, numActualItems,
-                        CHANGE_EVENT_TYPE_EMPTY_TO_CONTENT);
-            } else {
-                // Notify change without animating.
-                mTaskAdapter.notifyDataSetChanged();
-            }
-        });
-    }
-
-    /**
-     * Set whether we transitioned to recents from the most recent app.
-     *
-     * @param transitionedFromApp true if transitioned from the most recent app, false otherwise
-     */
-    public void setTransitionedFromApp(boolean transitionedFromApp) {
-        mTransitionedFromApp = transitionedFromApp;
-    }
-
-    /**
-     * Set whether we're using a custom remote animation. If so, we will not do the default layout
-     * animation when entering recents and instead wait for the remote app surface to be ready to
-     * use.
-     *
-     * @param usingRemoteAnimation true if doing a remote animation, false o/w
-     */
-    public void setUsingRemoteAnimation(boolean usingRemoteAnimation) {
-        mUsingRemoteAnimation = usingRemoteAnimation;
-    }
-
-    /**
-     * Handles input from the overview button. Launch the most recent task unless we just came from
-     * the app. In that case, we launch the next most recent.
-     */
-    public void handleOverviewCommand() {
-        List<Task> tasks = mTaskLoader.getCurrentTaskList();
-        int tasksSize = tasks.size();
-        if (tasksSize == 0) {
-            // Do nothing
-            return;
-        }
-        Task taskToLaunch;
-        if (mTransitionedFromApp && tasksSize > 1) {
-            // Launch the next most recent app
-            taskToLaunch = tasks.get(1);
-        } else {
-            // Launch the most recent app
-            taskToLaunch = tasks.get(0);
-        }
-
-        // See if view for this task is attached, and if so, animate launch from that view.
-        ArrayList<TaskItemView> itemViews = getTaskViews();
-        for (int i = 0, size = itemViews.size(); i < size; i++) {
-            TaskItemView taskView = itemViews.get(i);
-            TaskHolder holder = (TaskHolder) mTaskRecyclerView.getChildViewHolder(taskView);
-            if (Objects.equals(holder.getTask(), Optional.of(taskToLaunch))) {
-                mTaskActionController.launchTaskFromView(holder);
-                return;
-            }
-        }
-
-        // Otherwise, just use a basic launch animation.
-        mTaskActionController.launchTask(taskToLaunch);
-    }
-
-    /**
-     * Set whether or not to show the scrim in between the view and the top insets. This only works
-     * if the view is being insetted in the first place.
-     *
-     * The scrim is added to the activity's root view to prevent animations on this view
-     * affecting the scrim. As a result, it is the activity's responsibility to show/hide this
-     * scrim as appropriate.
-     *
-     * @param showStatusBarForegroundScrim true to show the scrim, false to hide
-     */
-    public void setShowStatusBarForegroundScrim(boolean showStatusBarForegroundScrim) {
-        mShowStatusBarForegroundScrim = showStatusBarForegroundScrim;
-        if (mShowStatusBarForegroundScrim != showStatusBarForegroundScrim) {
-            updateStatusBarScrim();
-        }
-    }
-
-    private void updateStatusBarScrim() {
-        boolean shouldShow = mInsets.top != 0 && mShowStatusBarForegroundScrim;
-        mActivity.getDragLayer().setForeground(shouldShow ? mStatusBarForegroundScrim : null);
-    }
-
-    /**
-     * Get the bottom most task view to animate to.
-     *
-     * @return the task view
-     */
-    private @Nullable TaskItemView getBottomTaskView() {
-        int childCount = mTaskRecyclerView.getChildCount();
-        for (int i = 0; i < childCount; i++) {
-            View view = mTaskRecyclerView.getChildAt(i);
-            if (mTaskRecyclerView.getChildViewHolder(view).getItemViewType() == ITEM_TYPE_TASK) {
-                return (TaskItemView) view;
-            }
-        }
-        return null;
-    }
-
-    /**
-     * Whether this view has processed all data changes and is ready to animate from the app to
-     * the overview.
-     *
-     * @return true if ready to animate app to overview, false otherwise
-     */
-    public boolean isReadyForRemoteAnim() {
-        return !mTaskRecyclerView.hasPendingAdapterUpdates();
-    }
-
-    /**
-     * Set a callback for whenever this view is ready to do a remote animation from the app to
-     * overview. See {@link #isReadyForRemoteAnim()}.
-     *
-     * @param callback callback to run when view is ready to animate
-     */
-    public void setOnReadyForRemoteAnimCallback(onReadyForRemoteAnimCallback callback) {
-        mTaskRecyclerView.getViewTreeObserver().addOnGlobalLayoutListener(
-                new ViewTreeObserver.OnGlobalLayoutListener() {
-                    @Override
-                    public void onGlobalLayout() {
-                        if (isReadyForRemoteAnim()) {
-                            callback.onReadyForRemoteAnim();
-                            mTaskRecyclerView.getViewTreeObserver().
-                                    removeOnGlobalLayoutListener(this);
-                        }
-                    }
-                });
-    }
-
-    /**
-     * Clear all tasks and animate out.
-     */
-    private void animateClearAllTasks() {
-        setEnabled(false);
-        ArrayList<TaskItemView> itemViews = getTaskViews();
-
-        AnimatorSet clearAnim = new AnimatorSet();
-        long currentDelay = 0;
-
-        // Animate each item view to the right and fade out.
-        for (int i = 0, size = itemViews.size(); i < size; i++) {
-            TaskItemView itemView = itemViews.get(i);
-            PropertyValuesHolder transXproperty = PropertyValuesHolder.ofFloat(TRANSLATION_X,
-                    0, itemView.getWidth() * ITEM_ANIMATE_OUT_TRANSLATION_X_RATIO);
-            PropertyValuesHolder alphaProperty = PropertyValuesHolder.ofFloat(ALPHA, 1.0f, 0f);
-            ObjectAnimator itemAnim = ObjectAnimator.ofPropertyValuesHolder(itemView,
-                    transXproperty, alphaProperty);
-            itemAnim.setDuration(ITEM_ANIMATE_OUT_DURATION);
-            itemAnim.setStartDelay(currentDelay);
-
-            clearAnim.play(itemAnim);
-            currentDelay += ITEM_ANIMATE_OUT_DELAY_BETWEEN;
-        }
-
-        // Animate view fading and leave recents when faded enough.
-        ValueAnimator contentAlpha = ValueAnimator.ofFloat(1.0f, 0f)
-                .setDuration(CROSSFADE_DURATION);
-        contentAlpha.setStartDelay(CLEAR_ALL_FADE_DELAY);
-        contentAlpha.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
-            private boolean mLeftRecents = false;
-
-            @Override
-            public void onAnimationUpdate(ValueAnimator valueAnimator) {
-                mContentView.setAlpha((float) valueAnimator.getAnimatedValue());
-                // Leave recents while fading out.
-                if ((float) valueAnimator.getAnimatedValue() < .5f && !mLeftRecents) {
-                    mActivityHelper.leaveRecents();
-                    mLeftRecents = true;
-                }
-            }
-        });
-
-        clearAnim.play(contentAlpha);
-        clearAnim.addListener(new AnimatorListenerAdapter() {
-            @Override
-            public void onAnimationEnd(Animator animation) {
-                for (int i = 0, size = itemViews.size(); i < size; i++) {
-                    TaskItemView itemView = itemViews.get(i);
-                    itemView.setTranslationX(0);
-                    itemView.setAlpha(1.0f);
-                }
-                setEnabled(true);
-                mContentView.setVisibility(GONE);
-                mTaskActionController.clearAllTasks();
-            }
-        });
-        clearAnim.start();
-    }
-
-    /**
-     * Get attached task item views ordered by most recent.
-     *
-     * @return array list of attached task item views
-     */
-    private ArrayList<TaskItemView> getTaskViews() {
-        int taskCount = mTaskRecyclerView.getChildCount();
-        ArrayList<TaskItemView> itemViews = new ArrayList<>();
-        for (int i = 0; i < taskCount; i ++) {
-            View child = mTaskRecyclerView.getChildAt(i);
-            if (child instanceof TaskItemView) {
-                itemViews.add((TaskItemView) child);
-            }
-        }
-        return itemViews;
-    }
-
-    /**
-     * Update the content view so that the appropriate view is shown based off the current list
-     * of tasks.
-     */
-    private void updateContentViewVisibility() {
-        int taskListSize = mTaskAdapter.getItemCount() - TASKS_START_POSITION;
-        if (mShowingContentView != mEmptyView && taskListSize == 0) {
-            mShowingContentView = mEmptyView;
-            crossfadeViews(mEmptyView, mContentView);
-        }
-        if (mShowingContentView != mContentView && taskListSize > 0) {
-            mShowingContentView = mContentView;
-            crossfadeViews(mContentView, mEmptyView);
-        }
-    }
-
-    /**
-     * Animate views so that one view fades in while the other fades out.
-     *
-     * @param fadeInView view that should fade in
-     * @param fadeOutView view that should fade out
-     */
-    private void crossfadeViews(View fadeInView, View fadeOutView) {
-        fadeInView.animate().cancel();
-        fadeInView.setVisibility(VISIBLE);
-        fadeInView.setAlpha(0f);
-        fadeInView.animate()
-                .alpha(1f)
-                .setDuration(CROSSFADE_DURATION)
-                .setListener(null);
-
-        fadeOutView.animate().cancel();
-        fadeOutView.animate()
-                .alpha(0f)
-                .setDuration(CROSSFADE_DURATION)
-                .setListener(new AnimatorListenerAdapter() {
-                    @Override
-                    public void onAnimationEnd(Animator animation) {
-                        fadeOutView.setVisibility(GONE);
-                    }
-                });
-    }
-
-    /**
-     * Schedule a one-shot layout animation on the next layout. Separate from
-     * {@link #scheduleLayoutAnimation()} as the animation is {@link Animator} based and acts on the
-     * view properties themselves, allowing more controllable behavior and making it easier to
-     * manage when the animation conflicts with another animation.
-     */
-    private void scheduleFadeInLayoutAnimation() {
-        mTaskRecyclerView.getViewTreeObserver().addOnGlobalLayoutListener(
-                new ViewTreeObserver.OnGlobalLayoutListener() {
-                    @Override
-                    public void onGlobalLayout() {
-                        animateFadeInLayoutAnimation();
-                        mTaskRecyclerView.getViewTreeObserver().removeOnGlobalLayoutListener(this);
-                    }
-                });
-    }
-
-    /**
-     * Start animating the layout animation where items fade in.
-     */
-    private void animateFadeInLayoutAnimation() {
-        if (mLayoutAnimation != null) {
-            // If layout animation still in progress, cancel and restart.
-            mLayoutAnimation.cancel();
-        }
-        ArrayList<TaskItemView> views = getTaskViews();
-        int delay = 0;
-        mLayoutAnimation = new AnimatorSet();
-        for (int i = 0, size = views.size(); i < size; i++) {
-            TaskItemView view = views.get(i);
-            view.setAlpha(0.0f);
-            Animator alphaAnim = ObjectAnimator.ofFloat(view, ALPHA, 0.0f, 1.0f);
-            alphaAnim.setDuration(LAYOUT_ITEM_ANIMATE_IN_DURATION).setStartDelay(delay);
-            alphaAnim.addListener(new AnimatorListenerAdapter() {
-                @Override
-                public void onAnimationEnd(Animator animation) {
-                    view.setAlpha(1.0f);
-                    mLayingOutViews.remove(view);
-                }
-            });
-            delay += LAYOUT_ITEM_ANIMATE_IN_DELAY_BETWEEN;
-            mLayoutAnimation.play(alphaAnim);
-            mLayingOutViews.add(view);
-        }
-        mLayoutAnimation.addListener(new AnimatorListenerAdapter() {
-            @Override
-            public void onAnimationEnd(Animator animation) {
-                mLayoutAnimation = null;
-            }
-        });
-        mLayoutAnimation.start();
-        mStartedEnterAnimation = true;
-    }
-
-    /**
-     * Play remote app to recents animation when the app is the home activity. We use a simple
-     * cross-fade here. Note this is only used if the home activity is a separate app than the
-     * recents activity.
-     *
-     * @param anim animator set
-     * @param homeTarget the home surface thats closing
-     * @param recentsTarget the surface containing recents
-     */
-    public void playRemoteHomeToRecentsAnimation(@NonNull AnimatorSet anim,
-            @NonNull RemoteAnimationTargetCompat homeTarget,
-            @NonNull RemoteAnimationTargetCompat recentsTarget) {
-        SyncRtSurfaceTransactionApplierCompat surfaceApplier =
-                new SyncRtSurfaceTransactionApplierCompat(this);
-
-        SurfaceParams[] params = new SurfaceParams[2];
-        int boostedMode = MODE_CLOSING;
-
-        ValueAnimator remoteHomeAnim = ValueAnimator.ofFloat(0, 1);
-        remoteHomeAnim.setDuration(REMOTE_APP_TO_OVERVIEW_DURATION);
-
-        remoteHomeAnim.addUpdateListener(valueAnimator -> {
-            float val = (float) valueAnimator.getAnimatedValue();
-            float alpha;
-            RemoteAnimationTargetCompat visibleTarget;
-            RemoteAnimationTargetCompat invisibleTarget;
-            if (val < .5f) {
-                visibleTarget = homeTarget;
-                invisibleTarget = recentsTarget;
-                alpha = 1 - (val * 2);
-            } else {
-                visibleTarget = recentsTarget;
-                invisibleTarget = homeTarget;
-                alpha = (val - .5f) * 2;
-            }
-            params[0] = new SurfaceParams(visibleTarget.leash, alpha, null /* matrix */,
-                    null /* windowCrop */, getLayer(visibleTarget, boostedMode),
-                    0 /* cornerRadius */);
-            params[1] = new SurfaceParams(invisibleTarget.leash, 0.0f, null /* matrix */,
-                    null /* windowCrop */, getLayer(invisibleTarget, boostedMode),
-                    0 /* cornerRadius */);
-            surfaceApplier.scheduleApply(params);
-        });
-        anim.play(remoteHomeAnim);
-        animateFadeInLayoutAnimation();
-    }
-
-    /**
-     * Play remote animation from app to recents. This should scale the currently closing app down
-     * to the recents thumbnail.
-     *
-     * @param anim animator set
-     * @param appTarget the app surface thats closing
-     * @param recentsTarget the surface containing recents
-     */
-    public void playRemoteAppToRecentsAnimation(@NonNull AnimatorSet anim,
-            @NonNull RemoteAnimationTargetCompat appTarget,
-            @NonNull RemoteAnimationTargetCompat recentsTarget) {
-        TaskItemView bottomView = getBottomTaskView();
-        if (bottomView == null) {
-            // This can be null if there were previously 0 tasks and the recycler view has not had
-            // enough time to take in the data change, bind a new view, and lay out the new view.
-            // TODO: Have a fallback to animate to
-            anim.play(ValueAnimator.ofInt(0, 1).setDuration(REMOTE_APP_TO_OVERVIEW_DURATION));
-            return;
-        }
-        final Matrix appMatrix = new Matrix();
-        playRemoteTransYAnim(anim, appMatrix);
-        playRemoteAppScaleDownAnim(anim, appMatrix, appTarget, recentsTarget,
-                bottomView.getThumbnailView());
-        playRemoteTaskListFadeIn(anim, bottomView);
-        mStartedEnterAnimation = true;
-    }
-
-    /**
-     * Play translation Y animation for the remote app to recents animation. Animates over all task
-     * views as well as the closing app, easing them into their final vertical positions.
-     *
-     * @param anim animator set to play on
-     * @param appMatrix transformation matrix for the closing app surface
-     */
-    private void playRemoteTransYAnim(@NonNull AnimatorSet anim, @NonNull Matrix appMatrix) {
-        final ArrayList<TaskItemView> views = getTaskViews();
-
-        // Start Y translation from about halfway through the tasks list to the bottom thumbnail.
-        float taskHeight = getResources().getDimension(R.dimen.task_item_height);
-        float totalTransY = -(MAX_TASKS_TO_DISPLAY / 2.0f - 1) * taskHeight;
-        for (int i = 0, size = views.size(); i < size; i++) {
-            views.get(i).setTranslationY(totalTransY);
-        }
-
-        ValueAnimator transYAnim = ValueAnimator.ofFloat(totalTransY, 0);
-        transYAnim.setDuration(REMOTE_TO_RECENTS_VERTICAL_EASE_IN_DURATION);
-        transYAnim.setInterpolator(FAST_OUT_SLOW_IN_2);
-        transYAnim.addUpdateListener(valueAnimator -> {
-            float transY = (float) valueAnimator.getAnimatedValue();
-            for (int i = 0, size = views.size(); i < size; i++) {
-                views.get(i).setTranslationY(transY);
-            }
-            appMatrix.postTranslate(0, transY - totalTransY);
-        });
-        transYAnim.addListener(new AnimatorListenerAdapter() {
-            @Override
-            public void onAnimationEnd(Animator animation) {
-                for (int i = 0, size = views.size(); i < size; i++) {
-                    views.get(i).setTranslationY(0);
-                }
-            }
-        });
-        anim.play(transYAnim);
-    }
-
-    /**
-     * Play the scale down animation for the remote app to recents animation where the app surface
-     * scales down to where the thumbnail is.
-     *
-     * @param anim animator set to play on
-     * @param appMatrix transformation matrix for the app surface
-     * @param appTarget closing app target
-     * @param recentsTarget opening recents target
-     * @param thumbnailView thumbnail view to animate to
-     */
-    private void playRemoteAppScaleDownAnim(@NonNull AnimatorSet anim, @NonNull Matrix appMatrix,
-            @NonNull RemoteAnimationTargetCompat appTarget,
-            @NonNull RemoteAnimationTargetCompat recentsTarget,
-            @NonNull View thumbnailView) {
-        // Identify where the entering remote app should animate to.
-        Rect endRect = new Rect();
-        thumbnailView.getGlobalVisibleRect(endRect);
-        Rect appBounds = appTarget.sourceContainerBounds;
-        RectF currentAppRect = new RectF();
-
-        SyncRtSurfaceTransactionApplierCompat surfaceApplier =
-                new SyncRtSurfaceTransactionApplierCompat(this);
-
-        // Keep recents visible throughout the animation.
-        SurfaceParams[] params = new SurfaceParams[2];
-        // Closing app should stay on top.
-        int boostedMode = MODE_CLOSING;
-        params[0] = new SurfaceParams(recentsTarget.leash, 1f, null /* matrix */,
-                null /* windowCrop */, getLayer(recentsTarget, boostedMode), 0 /* cornerRadius */);
-
-        ValueAnimator remoteAppAnim = ValueAnimator.ofInt(0, 1);
-        remoteAppAnim.setDuration(REMOTE_TO_RECENTS_VERTICAL_EASE_IN_DURATION);
-        remoteAppAnim.addUpdateListener(new MultiValueUpdateListener() {
-            private final FloatProp mScaleX;
-            private final FloatProp mScaleY;
-            private final FloatProp mTranslationX;
-            private final FloatProp mTranslationY;
-            private final FloatProp mAlpha;
-
-            {
-                // Scale down and move to view location.
-                float endScaleX = ((float) endRect.width()) / appBounds.width();
-                mScaleX = new FloatProp(1f, endScaleX, 0, REMOTE_TO_RECENTS_APP_SCALE_DOWN_DURATION,
-                        FAST_OUT_SLOW_IN_1);
-                float endScaleY = ((float) endRect.height()) / appBounds.height();
-                mScaleY = new FloatProp(1f, endScaleY, 0, REMOTE_TO_RECENTS_APP_SCALE_DOWN_DURATION,
-                        FAST_OUT_SLOW_IN_1);
-                float endTranslationX = endRect.left -
-                        (appBounds.width() - thumbnailView.getWidth()) / 2.0f;
-                mTranslationX = new FloatProp(0, endTranslationX, 0,
-                        REMOTE_TO_RECENTS_APP_SCALE_DOWN_DURATION, FAST_OUT_SLOW_IN_1);
-                float endTranslationY = endRect.top -
-                        (appBounds.height() - thumbnailView.getHeight()) / 2.0f;
-                mTranslationY = new FloatProp(0, endTranslationY, 0,
-                        REMOTE_TO_RECENTS_APP_SCALE_DOWN_DURATION, FAST_OUT_SLOW_IN_2);
-                mAlpha = new FloatProp(1.0f, 0, 0, REMOTE_TO_RECENTS_APP_SCALE_DOWN_DURATION,
-                        ACCEL_2);
-            }
-
-            @Override
-            public void onUpdate(float percent) {
-                Matrix m = new Matrix();
-                m.preScale(mScaleX.value, mScaleY.value,
-                        appBounds.width() / 2.0f, appBounds.height() / 2.0f);
-                m.postTranslate(mTranslationX.value, mTranslationY.value);
-                appMatrix.preConcat(m);
-                params[1] = new SurfaceParams(appTarget.leash, mAlpha.value, appMatrix,
-                        null /* windowCrop */, getLayer(appTarget, boostedMode),
-                        0 /* cornerRadius */);
-                surfaceApplier.scheduleApply(params);
-
-                m.mapRect(currentAppRect, new RectF(appBounds));
-                setViewToRect(thumbnailView, new RectF(endRect), currentAppRect);
-                appMatrix.reset();
-            }
-        });
-        remoteAppAnim.addListener(new AnimatorListenerAdapter() {
-            @Override
-            public void onAnimationEnd(Animator animation) {
-                thumbnailView.setTranslationY(0);
-                thumbnailView.setTranslationX(0);
-                thumbnailView.setScaleX(1);
-                thumbnailView.setScaleY(1);
-            }
-        });
-        anim.play(remoteAppAnim);
-    }
-
-    /**
-     * Play task list fade in animation as part of remote app to recents animation. This animation
-     * ensures that the task views in the recents list fade in from bottom to top.
-     *
-     * @param anim animator set to play on
-     * @param appTaskView the task view associated with the remote app closing
-     */
-    private void playRemoteTaskListFadeIn(@NonNull AnimatorSet anim,
-            @NonNull TaskItemView appTaskView) {
-        long delay = REMOTE_TO_RECENTS_ITEM_FADE_START_DELAY;
-        int childCount = mTaskRecyclerView.getChildCount();
-        for (int i = 0; i < childCount; i++) {
-            ValueAnimator fadeAnim = ValueAnimator.ofFloat(0, 1.0f);
-            fadeAnim.setDuration(REMOTE_TO_RECENTS_ITEM_FADE_DURATION).setInterpolator(OUT_SLOW_IN);
-            fadeAnim.setStartDelay(delay);
-            View view = mTaskRecyclerView.getChildAt(i);
-            if (Objects.equals(view, appTaskView)) {
-                // Only animate icon and text for the view with snapshot animating in
-                final View icon = appTaskView.getIconView();
-                final View label = appTaskView.getLabelView();
-
-                icon.setAlpha(0.0f);
-                label.setAlpha(0.0f);
-
-                fadeAnim.addUpdateListener(alphaVal -> {
-                    float val = alphaVal.getAnimatedFraction();
-
-                    icon.setAlpha(val);
-                    label.setAlpha(val);
-                });
-                fadeAnim.addListener(new AnimatorListenerAdapter() {
-                    @Override
-                    public void onAnimationEnd(Animator animation) {
-                        icon.setAlpha(1.0f);
-                        label.setAlpha(1.0f);
-                    }
-                });
-            } else {
-                // Otherwise, fade in the entire view.
-                view.setAlpha(0.0f);
-                fadeAnim.addUpdateListener(alphaVal -> {
-                    float val = alphaVal.getAnimatedFraction();
-                    view.setAlpha(val);
-                });
-                fadeAnim.addListener(new AnimatorListenerAdapter() {
-                    @Override
-                    public void onAnimationEnd(Animator animation) {
-                        view.setAlpha(1.0f);
-                    }
-                });
-            }
-            anim.play(fadeAnim);
-
-            int itemType = mTaskRecyclerView.getChildViewHolder(view).getItemViewType();
-            if (itemType == ITEM_TYPE_CLEAR_ALL) {
-                // Don't add delay. Clear all should animate at same time as next view.
-                continue;
-            }
-            delay += REMOTE_TO_RECENTS_ITEM_FADE_BETWEEN_DELAY;
-        }
-    }
-
-    /**
-     * Set view properties so that the view fits to the target rect.
-     *
-     * @param view view to set
-     * @param origRect original rect that view was located
-     * @param targetRect rect to set to
-     */
-    private void setViewToRect(View view, RectF origRect, RectF targetRect) {
-        float dX = targetRect.left - origRect.left;
-        float dY = targetRect.top - origRect.top;
-        view.setTranslationX(dX);
-        view.setTranslationY(dY);
-
-        float scaleX = targetRect.width() / origRect.width();
-        float scaleY = targetRect.height() / origRect.height();
-        view.setPivotX(0);
-        view.setPivotY(0);
-        view.setScaleX(scaleX);
-        view.setScaleY(scaleY);
-    }
-
-    @Override
-    public void setInsets(Rect insets) {
-        mInsets = insets;
-        mTaskRecyclerView.setPadding(insets.left, insets.top, insets.right, insets.bottom);
-        mTaskRecyclerView.invalidateItemDecorations();
-        if (mInsets.top != 0) {
-            updateStatusBarScrim();
-        }
-    }
-
-    /**
-     * Callback for when this view is ready for a remote animation from app to overview.
-     */
-    public interface onReadyForRemoteAnimCallback {
-
-        void onReadyForRemoteAnim();
-    }
-}
diff --git a/go/quickstep/src/com/android/quickstep/views/TaskItemView.java b/go/quickstep/src/com/android/quickstep/views/TaskItemView.java
deleted file mode 100644
index f184ad0..0000000
--- a/go/quickstep/src/com/android/quickstep/views/TaskItemView.java
+++ /dev/null
@@ -1,216 +0,0 @@
-/*
- * Copyright (C) 2019 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.views;
-
-import android.content.Context;
-import android.content.res.Configuration;
-import android.content.res.Resources;
-import android.graphics.drawable.Drawable;
-import android.util.AttributeSet;
-import android.util.FloatProperty;
-import android.view.View;
-import android.widget.ImageView;
-import android.widget.LinearLayout;
-import android.widget.TextView;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-
-import com.android.launcher3.R;
-import com.android.quickstep.ThumbnailDrawable;
-import com.android.systemui.shared.recents.model.ThumbnailData;
-
-/**
- * View representing an individual task item with the icon + thumbnail adjacent to the task label.
- */
-public final class TaskItemView extends LinearLayout {
-
-    private static final String EMPTY_LABEL = "";
-    private static final String DEFAULT_LABEL = "...";
-    private final Drawable mDefaultIcon;
-    private final Drawable mDefaultThumbnail;
-    private final TaskLayerDrawable mIconDrawable;
-    private final TaskLayerDrawable mThumbnailDrawable;
-    private View mTaskIconThumbnailView;
-    private TextView mLabelView;
-    private ImageView mIconView;
-    private ImageView mThumbnailView;
-    private float mContentTransitionProgress;
-    private int mDisplayedOrientation;
-
-    /**
-     * Property representing the content transition progress of the view. 1.0f represents that the
-     * currently bound icon, thumbnail, and label are fully animated in and visible.
-     */
-    public static FloatProperty CONTENT_TRANSITION_PROGRESS =
-            new FloatProperty<TaskItemView>("taskContentTransitionProgress") {
-                @Override
-                public void setValue(TaskItemView view, float progress) {
-                    view.setContentTransitionProgress(progress);
-                }
-
-                @Override
-                public Float get(TaskItemView view) {
-                    return view.mContentTransitionProgress;
-                }
-            };
-
-    public TaskItemView(Context context, AttributeSet attrs) {
-        super(context, attrs);
-        Resources res = context.getResources();
-        mDefaultIcon = res.getDrawable(android.R.drawable.sym_def_app_icon, context.getTheme());
-        mDefaultThumbnail = res.getDrawable(R.drawable.default_thumbnail, context.getTheme());
-        mIconDrawable = new TaskLayerDrawable(context);
-        mThumbnailDrawable = new TaskLayerDrawable(context);
-    }
-
-    @Override
-    protected void onFinishInflate() {
-        super.onFinishInflate();
-        mLabelView = findViewById(R.id.task_label);
-        mTaskIconThumbnailView = findViewById(R.id.task_icon_and_thumbnail);
-        mThumbnailView = findViewById(R.id.task_thumbnail);
-        mIconView = findViewById(R.id.task_icon);
-
-        mThumbnailView.setImageDrawable(mThumbnailDrawable);
-        mIconView.setImageDrawable(mIconDrawable);
-
-        resetToEmptyUi();
-        CONTENT_TRANSITION_PROGRESS.setValue(this, 1.0f);
-    }
-
-    /**
-     * Resets task item view to empty, loading UI.
-     */
-    public void resetToEmptyUi() {
-        mIconDrawable.resetDrawable();
-        mThumbnailDrawable.resetDrawable();
-        setLabel(EMPTY_LABEL);
-    }
-
-    /**
-     * Set the label for the task item. Sets to a default label if null.
-     *
-     * @param label task label
-     */
-    public void setLabel(@Nullable String label) {
-        mLabelView.setText(getSafeLabel(label));
-        // TODO: Animation for label
-    }
-
-    /**
-     * Set the icon for the task item. Sets to a default icon if null.
-     *
-     * @param icon task icon
-     */
-    public void setIcon(@Nullable Drawable icon) {
-        // TODO: Scale the icon up based off the padding on the side
-        // The icon proper is actually smaller than the drawable and has "padding" on the side for
-        // the purpose of drawing the shadow, allowing the icon to pop up, so we need to scale the
-        // view if we want the icon to be flush with the bottom of the thumbnail.
-        mIconDrawable.setCurrentDrawable(getSafeIcon(icon));
-    }
-
-    /**
-     * Set the task thumbnail for the task. Sets to a default thumbnail if null.
-     *
-     * @param thumbnailData task thumbnail data for the task
-     */
-    public void setThumbnail(@Nullable ThumbnailData thumbnailData) {
-        mThumbnailDrawable.setCurrentDrawable(getSafeThumbnail(thumbnailData));
-    }
-
-    public View getThumbnailView() {
-        return mThumbnailView;
-    }
-
-    public View getIconView() {
-        return mIconView;
-    }
-
-    public View getLabelView() {
-        return mLabelView;
-    }
-
-    /**
-     * Start a new animation from the current task content to the specified new content. The caller
-     * is responsible for the actual animation control via the property
-     * {@link #CONTENT_TRANSITION_PROGRESS}.
-     *
-     * @param endIcon the icon to animate to
-     * @param endThumbnail the thumbnail to animate to
-     * @param endLabel the label to animate to
-     */
-    public void startContentAnimation(@Nullable Drawable endIcon,
-            @Nullable ThumbnailData endThumbnail, @Nullable String endLabel) {
-        mIconDrawable.startNewTransition(getSafeIcon(endIcon));
-        mThumbnailDrawable.startNewTransition(getSafeThumbnail(endThumbnail));
-        // TODO: Animation for label
-
-        setContentTransitionProgress(0.0f);
-    }
-
-    private void setContentTransitionProgress(float progress) {
-        mContentTransitionProgress = progress;
-        mIconDrawable.setTransitionProgress(progress);
-        mThumbnailDrawable.setTransitionProgress(progress);
-        // TODO: Animation for label
-    }
-
-    private @NonNull Drawable getSafeIcon(@Nullable Drawable icon) {
-        return (icon != null) ? icon : mDefaultIcon;
-    }
-
-    private @NonNull Drawable getSafeThumbnail(@Nullable ThumbnailData thumbnailData) {
-        if (thumbnailData == null || thumbnailData.thumbnail == null) {
-            return mDefaultThumbnail;
-        }
-        int orientation = getResources().getConfiguration().orientation;
-        return new ThumbnailDrawable(getResources(), thumbnailData,
-                orientation /* requestedOrientation */);
-    }
-
-    private @NonNull String getSafeLabel(@Nullable String label) {
-        return (label != null) ? label : DEFAULT_LABEL;
-    }
-
-    @Override
-    protected void onAttachedToWindow() {
-        super.onAttachedToWindow();
-        onOrientationChanged(getResources().getConfiguration().orientation);
-    }
-
-    @Override
-    protected void onConfigurationChanged(Configuration newConfig) {
-        super.onConfigurationChanged(newConfig);
-        onOrientationChanged(newConfig.orientation);
-    }
-
-    private void onOrientationChanged(int newOrientation) {
-        if (mDisplayedOrientation == newOrientation) {
-            return;
-        }
-        mDisplayedOrientation = newOrientation;
-        int layerCount = mThumbnailDrawable.getNumberOfLayers();
-        for (int i = 0; i < layerCount; i++) {
-            Drawable drawable = mThumbnailDrawable.getDrawable(i);
-            if (drawable instanceof ThumbnailDrawable) {
-                ((ThumbnailDrawable) drawable).setRequestedOrientation(newOrientation);
-            }
-        }
-        mTaskIconThumbnailView.forceLayout();
-    }
-}
diff --git a/go/quickstep/src/com/android/quickstep/views/TaskLayerDrawable.java b/go/quickstep/src/com/android/quickstep/views/TaskLayerDrawable.java
deleted file mode 100644
index 98b66b9..0000000
--- a/go/quickstep/src/com/android/quickstep/views/TaskLayerDrawable.java
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * Copyright (C) 2019 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.views;
-
-import android.content.Context;
-import android.graphics.drawable.Drawable;
-import android.graphics.drawable.LayerDrawable;
-
-import androidx.annotation.NonNull;
-
-import com.android.launcher3.R;
-
-/**
- * A layer drawable for task content that transitions between two drawables by crossfading. Similar
- * to {@link android.graphics.drawable.TransitionDrawable} but allows callers to control transition
- * progress and provides a default, empty drawable.
- */
-public final class TaskLayerDrawable extends LayerDrawable {
-    private final Drawable mEmptyDrawable;
-    private float mProgress;
-
-    public TaskLayerDrawable(Context context) {
-        super(new Drawable[0]);
-
-        // Use empty drawable for both layers initially.
-        mEmptyDrawable = context.getResources().getDrawable(
-                R.drawable.empty_content_box, context.getTheme());
-        addLayer(mEmptyDrawable);
-        addLayer(mEmptyDrawable);
-        setTransitionProgress(1.0f);
-    }
-
-    /**
-     * Immediately set the front-most drawable layer.
-     *
-     * @param drawable drawable to set
-     */
-    public void setCurrentDrawable(@NonNull Drawable drawable) {
-        setDrawable(0, drawable);
-        applyTransitionProgress(mProgress);
-    }
-
-    /**
-     * Immediately reset the drawable to showing the empty drawable.
-     */
-    public void resetDrawable() {
-        setCurrentDrawable(mEmptyDrawable);
-    }
-
-    /**
-     * Prepare to start animating the transition by pushing the current drawable to the back and
-     * setting a new drawable to the front layer and making it invisible.
-     *
-     * @param endDrawable drawable to animate to
-     */
-    public void startNewTransition(@NonNull Drawable endDrawable) {
-        Drawable oldDrawable = getDrawable(0);
-        setDrawable(1, oldDrawable);
-        setDrawable(0, endDrawable);
-        setTransitionProgress(0.0f);
-    }
-
-    /**
-     * Set the progress of the transition animation to crossfade the two drawables.
-     *
-     * @param progress current transition progress between 0 (front view invisible) and 1
-     *                 (front view visible)
-     */
-    public void setTransitionProgress(float progress) {
-        if (progress > 1 || progress < 0) {
-            throw new IllegalArgumentException("Transition progress should be between 0 and 1");
-        }
-        mProgress = progress;
-        applyTransitionProgress(progress);
-    }
-
-    private void applyTransitionProgress(float progress) {
-        int drawableAlpha = (int) (progress * 255);
-        getDrawable(0).setAlpha(drawableAlpha);
-        if (getDrawable(0) != getDrawable(1)) {
-            // Only do this if it's a different drawable so that it fades out.
-            // Otherwise, we'd just be overwriting the front drawable's alpha.
-            getDrawable(1).setAlpha(255 - drawableAlpha);
-        }
-        invalidateSelf();
-    }
-}
diff --git a/go/quickstep/src/com/android/quickstep/views/TaskThumbnailIconView.java b/go/quickstep/src/com/android/quickstep/views/TaskThumbnailIconView.java
deleted file mode 100644
index eaefa21..0000000
--- a/go/quickstep/src/com/android/quickstep/views/TaskThumbnailIconView.java
+++ /dev/null
@@ -1,107 +0,0 @@
-/*
- * Copyright (C) 2019 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.views;
-
-import static android.content.res.Configuration.ORIENTATION_PORTRAIT;
-import static android.view.View.MeasureSpec.makeMeasureSpec;
-
-import android.content.Context;
-import android.graphics.Rect;
-import android.util.AttributeSet;
-import android.view.Gravity;
-import android.view.View;
-import android.view.ViewGroup;
-
-import com.android.launcher3.R;
-
-/**
- * Square view that holds thumbnail and icon and shrinks them appropriately so that both fit nicely
- * within the view. Side length is determined by height.
- */
-final class TaskThumbnailIconView extends ViewGroup {
-    private final Rect mTmpFrameRect = new Rect();
-    private final Rect mTmpChildRect = new Rect();
-    private View mThumbnailView;
-    private View mIconView;
-    private static final float SUBITEM_FRAME_RATIO = .6f;
-
-    public TaskThumbnailIconView(Context context, AttributeSet attrs) {
-        super(context, attrs);
-    }
-
-    @Override
-    protected void onFinishInflate() {
-        super.onFinishInflate();
-        mThumbnailView = findViewById(R.id.task_thumbnail);
-        mIconView = findViewById(R.id.task_icon);
-    }
-
-    @Override
-    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
-        int height = getDefaultSize(getSuggestedMinimumHeight(), heightMeasureSpec);
-        int width = height;
-        setMeasuredDimension(width, height);
-
-        int subItemSize = (int) (SUBITEM_FRAME_RATIO * height);
-        if (mThumbnailView.getVisibility() != GONE) {
-            boolean isPortrait =
-                    (getResources().getConfiguration().orientation == ORIENTATION_PORTRAIT);
-            int thumbnailHeightSpec =
-                    makeMeasureSpec(isPortrait ? height : subItemSize, MeasureSpec.EXACTLY);
-            int thumbnailWidthSpec =
-                    makeMeasureSpec(isPortrait ? subItemSize : width, MeasureSpec.EXACTLY);
-            measureChild(mThumbnailView, thumbnailWidthSpec, thumbnailHeightSpec);
-        }
-        if (mIconView.getVisibility() != GONE) {
-            int iconHeightSpec = makeMeasureSpec(subItemSize, MeasureSpec.EXACTLY);
-            int iconWidthSpec = makeMeasureSpec(subItemSize, MeasureSpec.EXACTLY);
-            measureChild(mIconView, iconWidthSpec, iconHeightSpec);
-        }
-    }
-
-    @Override
-    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
-        mTmpFrameRect.left = getPaddingLeft();
-        mTmpFrameRect.right = right - left - getPaddingRight();
-        mTmpFrameRect.top = getPaddingTop();
-        mTmpFrameRect.bottom = bottom - top - getPaddingBottom();
-
-        // Layout the thumbnail to the top-start corner of the view
-        if (mThumbnailView.getVisibility() != GONE) {
-            final int width = mThumbnailView.getMeasuredWidth();
-            final int height = mThumbnailView.getMeasuredHeight();
-
-            final int thumbnailGravity = Gravity.TOP | Gravity.START;
-            Gravity.apply(thumbnailGravity, width, height, mTmpFrameRect, mTmpChildRect);
-
-            mThumbnailView.layout(mTmpChildRect.left, mTmpChildRect.top,
-                    mTmpChildRect.right, mTmpChildRect.bottom);
-        }
-
-        // Layout the icon to the bottom-end corner of the view
-        if (mIconView.getVisibility() != GONE) {
-            final int width = mIconView.getMeasuredWidth();
-            final int height = mIconView.getMeasuredHeight();
-
-            int thumbnailGravity = Gravity.BOTTOM | Gravity.END;
-            Gravity.apply(thumbnailGravity, width, height, mTmpFrameRect, mTmpChildRect);
-
-            mIconView.layout(mTmpChildRect.left, mTmpChildRect.top,
-                    mTmpChildRect.right, mTmpChildRect.bottom);
-        }
-    }
-}
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/AllAppsTipView.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/AllAppsTipView.java
index d3042cf..0ae7435 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/AllAppsTipView.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/AllAppsTipView.java
@@ -24,6 +24,7 @@
 import android.graphics.Paint;
 import android.graphics.drawable.ShapeDrawable;
 import android.os.Handler;
+import android.os.UserManager;
 import android.util.AttributeSet;
 import android.util.TypedValue;
 import android.view.Gravity;
@@ -33,6 +34,8 @@
 import android.widget.LinearLayout;
 import android.widget.TextView;
 
+import androidx.core.content.ContextCompat;
+
 import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherState;
@@ -41,13 +44,10 @@
 import com.android.launcher3.Utilities;
 import com.android.launcher3.allapps.FloatingHeaderView;
 import com.android.launcher3.anim.Interpolators;
-import com.android.launcher3.compat.UserManagerCompat;
 import com.android.launcher3.dragndrop.DragLayer;
 import com.android.launcher3.graphics.TriangleShape;
 import com.android.systemui.shared.system.LauncherEventUtil;
 
-import androidx.core.content.ContextCompat;
-
 /**
  * All apps tip view aligned just above prediction apps, shown to users that enter all apps for the
  * first time.
@@ -151,7 +151,7 @@
                 TYPE_ON_BOARD_POPUP | TYPE_DISCOVERY_BOUNCE) != null
                 || !launcher.isInState(ALL_APPS)
                 || hasSeenAllAppsTip(launcher)
-                || UserManagerCompat.getInstance(launcher).isDemoUser()
+                || launcher.getSystemService(UserManager.class).isDemoUser()
                 || Utilities.IS_RUNNING_IN_TEST_HARNESS) {
             return false;
         }
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
index 6aaae4c..37a3929 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
@@ -63,7 +63,7 @@
      */
     public static final AsyncCommand SET_SHELF_HEIGHT = (context, arg1, arg2) ->
             SystemUiProxy.INSTANCE.get(context).setShelfHeight(arg1 != 0, arg2);
-    public static RotationMode ROTATION_LANDSCAPE = new RotationMode(-90) {
+    public static final RotationMode ROTATION_LANDSCAPE = new RotationMode(-90) {
         @Override
         public void mapRect(int left, int top, int right, int bottom, Rect out) {
             out.left = top;
@@ -89,7 +89,7 @@
             }
         }
     };
-    public static RotationMode ROTATION_SEASCAPE = new RotationMode(90) {
+    public static final RotationMode ROTATION_SEASCAPE = new RotationMode(90) {
         @Override
         public void mapRect(int left, int top, int right, int bottom, Rect out) {
             out.left = bottom;
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/FallbackSwipeHandler.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/FallbackSwipeHandler.java
index 40235d7..888ea9c 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/FallbackSwipeHandler.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/FallbackSwipeHandler.java
@@ -89,7 +89,7 @@
             mLauncherAlpha = launcherAlpha;
         }
     }
-    private static ArrayMap<GestureEndTarget, EndTargetAnimationParams>
+    private final ArrayMap<GestureEndTarget, EndTargetAnimationParams>
             mEndTargetAnimationParams = new ArrayMap();
 
     private final AnimatedFloat mLauncherAlpha = new AnimatedFloat(this::onLauncherAlphaChanged);
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherSwipeHandler.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherSwipeHandler.java
index c28bf28..8f75c79 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherSwipeHandler.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherSwipeHandler.java
@@ -544,7 +544,7 @@
 
         if (ENABLE_QUICKSTEP_LIVE_TILE.get()) {
             if (mRecentsAnimationTargets != null) {
-                LiveTileOverlay.getInstance().update(
+                LiveTileOverlay.INSTANCE.update(
                         mAppWindowAnimationHelper.getCurrentRectWithInsets(),
                         mAppWindowAnimationHelper.getCurrentCornerRadius());
             }
@@ -829,7 +829,7 @@
             setShelfState(ShelfAnimState.CANCEL, LINEAR, 0);
             duration = Math.max(MIN_OVERSHOOT_DURATION, duration);
         } else if (endTarget == RECENTS) {
-            LiveTileOverlay.getInstance().startIconAnimation();
+            LiveTileOverlay.INSTANCE.startIconAnimation();
             if (mRecentsView != null) {
                 int nearestPage = mRecentsView.getPageNearestToCenterOfScreen();
                 if (mRecentsView.getNextPage() != nearestPage) {
@@ -1231,13 +1231,13 @@
     }
 
     private void addLiveTileOverlay() {
-        if (LiveTileOverlay.getInstance().attach(mActivity.getRootView().getOverlay())) {
+        if (LiveTileOverlay.INSTANCE.attach(mActivity.getRootView().getOverlay())) {
             mRecentsView.setLiveTileOverlayAttached(true);
         }
     }
 
     private void removeLiveTileOverlay() {
-        LiveTileOverlay.getInstance().detach(mActivity.getRootView().getOverlay());
+        LiveTileOverlay.INSTANCE.detach(mActivity.getRootView().getOverlay());
         mRecentsView.setLiveTileOverlayAttached(false);
     }
 
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/LiveTileOverlay.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/LiveTileOverlay.java
index 18eda60..30c9f77 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/LiveTileOverlay.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/LiveTileOverlay.java
@@ -37,18 +37,11 @@
                 }
             };
 
-    private static LiveTileOverlay sInstance;
-
-    public static LiveTileOverlay getInstance() {
-        if (sInstance == null) {
-            sInstance = new LiveTileOverlay();
-        }
-        return sInstance;
-    }
+    public static final LiveTileOverlay INSTANCE = new LiveTileOverlay();
 
     private final Paint mPaint = new Paint();
+    private final Rect mBoundsRect = new Rect();
 
-    private Rect mBoundsRect = new Rect();
     private RectF mCurrentRect;
     private float mCornerRadius;
     private Drawable mIcon;
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java
index a8d88b9..0f0fda9 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java
@@ -886,7 +886,7 @@
     public void onSwipeUpAnimationSuccess() {
         if (getRunningTaskView() != null) {
             float startProgress = ENABLE_QUICKSTEP_LIVE_TILE.get() && mLiveTileOverlayAttached
-                    ? LiveTileOverlay.getInstance().cancelIconAnimation()
+                    ? LiveTileOverlay.INSTANCE.cancelIconAnimation()
                     : 0f;
             animateUpRunningTaskIconScale(startProgress);
         }
@@ -1739,7 +1739,7 @@
 
     public void updateLiveTileIcon(Drawable icon) {
         if (mLiveTileOverlayAttached) {
-            LiveTileOverlay.getInstance().setIcon(icon);
+            LiveTileOverlay.INSTANCE.setIcon(icon);
         }
     }
 
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/TaskThumbnailView.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/TaskThumbnailView.java
index adeb974..4e0fdea 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/TaskThumbnailView.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/TaskThumbnailView.java
@@ -61,9 +61,9 @@
  */
 public class TaskThumbnailView extends View implements PluginListener<OverviewScreenshotActions> {
 
-    private final static ColorMatrix COLOR_MATRIX = new ColorMatrix();
-    private final static ColorMatrix SATURATION_COLOR_MATRIX = new ColorMatrix();
-    private final static RectF EMPTY_RECT_F = new RectF();
+    private static final ColorMatrix COLOR_MATRIX = new ColorMatrix();
+    private static final ColorMatrix SATURATION_COLOR_MATRIX = new ColorMatrix();
+    private static final RectF EMPTY_RECT_F = new RectF();
 
     public static final Property<TaskThumbnailView, Float> DIM_ALPHA =
             new FloatProperty<TaskThumbnailView>("dimAlpha") {
diff --git a/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java b/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
index 9ea13c6..ee53386 100644
--- a/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
+++ b/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
@@ -265,7 +265,7 @@
         // Instantiate and initialize WellbeingModel now that its loading won't interfere with
         // populating workspace.
         // TODO: Find a better place for this
-        WellbeingModel.get(this);
+        WellbeingModel.INSTANCE.get(this);
     }
 
     @Override
diff --git a/quickstep/src/com/android/launcher3/model/WellbeingModel.java b/quickstep/src/com/android/launcher3/model/WellbeingModel.java
index c86139b..92c8573 100644
--- a/quickstep/src/com/android/launcher3/model/WellbeingModel.java
+++ b/quickstep/src/com/android/launcher3/model/WellbeingModel.java
@@ -43,13 +43,13 @@
 import android.util.Log;
 
 import androidx.annotation.MainThread;
-import androidx.annotation.NonNull;
 
 import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.ItemInfo;
 import com.android.launcher3.R;
 import com.android.launcher3.popup.RemoteActionShortcut;
 import com.android.launcher3.popup.SystemShortcut;
+import com.android.launcher3.util.MainThreadInitializedObject;
 import com.android.launcher3.util.PackageManagerHelper;
 import com.android.launcher3.util.Preconditions;
 import com.android.launcher3.util.SimpleBroadcastReceiver;
@@ -78,7 +78,8 @@
     private static final String EXTRA_MAX_NUM_ACTIONS_SHOWN = "max_num_actions_shown";
     private static final String EXTRA_PACKAGES = "packages";
 
-    private static WellbeingModel sInstance;
+    public static final MainThreadInitializedObject<WellbeingModel> INSTANCE =
+            new MainThreadInitializedObject<>(WellbeingModel::new);
 
     private final Context mContext;
     private final String mWellbeingProviderPkg;
@@ -156,15 +157,6 @@
     }
 
     @MainThread
-    public static WellbeingModel get(@NonNull Context context) {
-        Preconditions.assertUIThread();
-        if (sInstance == null) {
-            sInstance = new WellbeingModel(context.getApplicationContext());
-        }
-        return sInstance;
-    }
-
-    @MainThread
     private SystemShortcut getShortcutForApp(String packageName, int userId,
             BaseDraggingActivity activity, ItemInfo info) {
         Preconditions.assertUIThread();
@@ -334,8 +326,8 @@
     /**
      * Shortcut factory for generating wellbeing action
      */
-    public static final SystemShortcut.Factory SHORTCUT_FACTORY = (activity, info) ->
-            (info.getTargetComponent() == null) ? null : WellbeingModel.get(activity)
+    public static final SystemShortcut.Factory SHORTCUT_FACTORY =
+            (activity, info) -> (info.getTargetComponent() == null) ? null : INSTANCE.get(activity)
                     .getShortcutForApp(
                             info.getTargetComponent().getPackageName(), info.user.getIdentifier(),
                             activity, info);
diff --git a/quickstep/src/com/android/launcher3/uioverrides/WallpaperColorInfo.java b/quickstep/src/com/android/launcher3/uioverrides/WallpaperColorInfo.java
index 711e59a..36c0e34 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/WallpaperColorInfo.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/WallpaperColorInfo.java
@@ -27,6 +27,7 @@
 import android.os.Handler;
 import android.os.Looper;
 
+import com.android.launcher3.util.MainThreadInitializedObject;
 import com.android.systemui.shared.system.TonalCompat;
 import com.android.systemui.shared.system.TonalCompat.ExtractionInfo;
 
@@ -39,17 +40,8 @@
     private static final int MAIN_COLOR_DARK = 0xff202124;
     private static final int MAIN_COLOR_REGULAR = 0xff000000;
 
-    private static final Object sInstanceLock = new Object();
-    private static WallpaperColorInfo sInstance;
-
-    public static WallpaperColorInfo getInstance(Context context) {
-        synchronized (sInstanceLock) {
-            if (sInstance == null) {
-                sInstance = new WallpaperColorInfo(context.getApplicationContext());
-            }
-            return sInstance;
-        }
-    }
+    public static final MainThreadInitializedObject<WallpaperColorInfo> INSTANCE =
+            new MainThreadInitializedObject<>(WallpaperColorInfo::new);
 
     private final ArrayList<OnChangeListener> mListeners = new ArrayList<>();
     private final WallpaperManager mWallpaperManager;
diff --git a/quickstep/src/com/android/quickstep/AnimatedFloat.java b/quickstep/src/com/android/quickstep/AnimatedFloat.java
index 84dfdbd..c3b90e3 100644
--- a/quickstep/src/com/android/quickstep/AnimatedFloat.java
+++ b/quickstep/src/com/android/quickstep/AnimatedFloat.java
@@ -25,17 +25,18 @@
  */
 public class AnimatedFloat {
 
-    public static FloatProperty<AnimatedFloat> VALUE = new FloatProperty<AnimatedFloat>("value") {
-        @Override
-        public void setValue(AnimatedFloat obj, float v) {
-            obj.updateValue(v);
-        }
+    public static final FloatProperty<AnimatedFloat> VALUE =
+            new FloatProperty<AnimatedFloat>("value") {
+                @Override
+                public void setValue(AnimatedFloat obj, float v) {
+                    obj.updateValue(v);
+                }
 
-        @Override
-        public Float get(AnimatedFloat obj) {
-            return obj.value;
-        }
-    };
+                @Override
+                public Float get(AnimatedFloat obj) {
+                    return obj.value;
+                }
+            };
 
     private final Runnable mUpdateCallback;
     private ObjectAnimator mValueAnimator;
diff --git a/quickstep/src/com/android/quickstep/BaseRecentsActivity.java b/quickstep/src/com/android/quickstep/BaseRecentsActivity.java
index 5fcdc19..1b9158b 100644
--- a/quickstep/src/com/android/quickstep/BaseRecentsActivity.java
+++ b/quickstep/src/com/android/quickstep/BaseRecentsActivity.java
@@ -43,7 +43,8 @@
  */
 public abstract class BaseRecentsActivity extends BaseDraggingActivity {
 
-    public static ActivityTracker<BaseRecentsActivity> ACTIVITY_TRACKER = new ActivityTracker<>();
+    public static final ActivityTracker<BaseRecentsActivity> ACTIVITY_TRACKER =
+            new ActivityTracker<>();
     private Configuration mOldConfig;
 
     @Override
@@ -56,7 +57,7 @@
 
         getSystemUiController().updateUiState(SystemUiController.UI_STATE_BASE_WINDOW,
                 Themes.getAttrBoolean(this, R.attr.isWorkspaceDarkText));
-        ACTIVITY_TRACKER.handleCreate((RecentsActivity) this);
+        ACTIVITY_TRACKER.handleCreate(this);
     }
 
     /**
diff --git a/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java b/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java
index 81f411e..d0afb21 100644
--- a/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java
+++ b/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java
@@ -17,10 +17,8 @@
 
 import static android.content.Intent.ACTION_USER_UNLOCKED;
 
-import static android.provider.Settings.System.HAPTIC_FEEDBACK_ENABLED;
 import static com.android.launcher3.ResourceUtils.NAVBAR_BOTTOM_GESTURE_SIZE;
 import static com.android.launcher3.ResourceUtils.NAVBAR_LANDSCAPE_LEFT_RIGHT_SIZE;
-import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.quickstep.SysUINavigationMode.Mode.NO_BUTTON;
 import static com.android.quickstep.SysUINavigationMode.Mode.THREE_BUTTONS;
 import static com.android.quickstep.SysUINavigationMode.Mode.TWO_BUTTONS;
@@ -42,12 +40,11 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.res.Resources;
-import android.database.ContentObserver;
 import android.graphics.Point;
 import android.graphics.RectF;
 import android.graphics.Region;
 import android.os.Process;
-import android.provider.Settings;
+import android.os.UserManager;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.MotionEvent;
@@ -58,7 +55,6 @@
 import com.android.launcher3.R;
 import com.android.launcher3.ResourceUtils;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.compat.UserManagerCompat;
 import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.util.DefaultDisplay;
 import com.android.quickstep.SysUINavigationMode.NavigationModeChangeListener;
@@ -79,7 +75,6 @@
         DefaultDisplay.DisplayInfoChangeListener {
 
     private final Context mContext;
-    private final UserManagerCompat mUserManager;
     private final SysUINavigationMode mSysUiNavMode;
     private final DefaultDisplay mDefaultDisplay;
     private final int mDisplayId;
@@ -117,14 +112,14 @@
     public RecentsAnimationDeviceState(Context context) {
         final ContentResolver resolver = context.getContentResolver();
         mContext = context;
-        mUserManager = UserManagerCompat.getInstance(context);
         mSysUiNavMode = SysUINavigationMode.INSTANCE.get(context);
         mDefaultDisplay = DefaultDisplay.INSTANCE.get(context);
         mDisplayId = mDefaultDisplay.getInfo().id;
         runOnDestroy(() -> mDefaultDisplay.removeChangeListener(this));
 
         // Register for user unlocked if necessary
-        mIsUserUnlocked = mUserManager.isUserUnlocked(Process.myUserHandle());
+        mIsUserUnlocked = context.getSystemService(UserManager.class)
+                .isUserUnlocked(Process.myUserHandle());
         if (!mIsUserUnlocked) {
             mContext.registerReceiver(mUserUnlockedReceiver,
                     new IntentFilter(ACTION_USER_UNLOCKED));
diff --git a/quickstep/src/com/android/quickstep/SysUINavigationMode.java b/quickstep/src/com/android/quickstep/SysUINavigationMode.java
index 5902672..388b323 100644
--- a/quickstep/src/com/android/quickstep/SysUINavigationMode.java
+++ b/quickstep/src/com/android/quickstep/SysUINavigationMode.java
@@ -52,7 +52,7 @@
         return INSTANCE.get(context).getMode();
     }
 
-    public static MainThreadInitializedObject<SysUINavigationMode> INSTANCE =
+    public static final MainThreadInitializedObject<SysUINavigationMode> INSTANCE =
             new MainThreadInitializedObject<>(SysUINavigationMode::new);
 
     private static final String TAG = "SysUINavigationMode";
diff --git a/quickstep/src/com/android/quickstep/TaskIconCache.java b/quickstep/src/com/android/quickstep/TaskIconCache.java
index e590aea..7ff799e 100644
--- a/quickstep/src/com/android/quickstep/TaskIconCache.java
+++ b/quickstep/src/com/android/quickstep/TaskIconCache.java
@@ -48,6 +48,7 @@
 import com.android.systemui.shared.recents.model.Task.TaskKey;
 import com.android.systemui.shared.system.ActivityManagerWrapper;
 import com.android.systemui.shared.system.PackageManagerWrapper;
+import com.android.systemui.shared.system.TaskDescriptionCompat;
 
 import java.util.function.Consumer;
 
@@ -140,7 +141,7 @@
 
         // Load icon
         // TODO: Load icon resource (b/143363444)
-        Bitmap icon = desc.getIcon();
+        Bitmap icon = TaskDescriptionCompat.getIcon(desc, key.userId);
         if (icon != null) {
             entry.icon = new FastBitmapDrawable(getBitmapInfo(
                     new BitmapDrawable(mContext.getResources(), icon),
diff --git a/quickstep/src/com/android/quickstep/TaskUtils.java b/quickstep/src/com/android/quickstep/TaskUtils.java
index 230a22a..04b488d 100644
--- a/quickstep/src/com/android/quickstep/TaskUtils.java
+++ b/quickstep/src/com/android/quickstep/TaskUtils.java
@@ -23,7 +23,7 @@
 import android.os.UserHandle;
 import android.util.Log;
 
-import com.android.launcher3.compat.UserManagerCompat;
+import com.android.launcher3.pm.UserCache;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.PackageManagerHelper;
 import com.android.systemui.shared.recents.model.Task;
@@ -78,7 +78,7 @@
         if (currentUserId == UserHandle.myUserId()) {
             return true;
         }
-        List<UserHandle> allUsers = UserManagerCompat.getInstance(context).getUserProfiles();
+        List<UserHandle> allUsers = UserCache.INSTANCE.get(context).getUserProfiles();
         for (int i = allUsers.size() - 1; i >= 0; i--) {
             if (currentUserId == allUsers.get(i).getIdentifier()) {
                 return true;
diff --git a/quickstep/src/com/android/quickstep/util/NavBarPosition.java b/quickstep/src/com/android/quickstep/util/NavBarPosition.java
index a4614de..8dc19dc 100644
--- a/quickstep/src/com/android/quickstep/util/NavBarPosition.java
+++ b/quickstep/src/com/android/quickstep/util/NavBarPosition.java
@@ -31,7 +31,7 @@
  */
 public class NavBarPosition {
 
-    public static RotationMode ROTATION_LANDSCAPE = new RotationMode(-90) {
+    public static final RotationMode ROTATION_LANDSCAPE = new RotationMode(-90) {
         @Override
         public void mapRect(int left, int top, int right, int bottom, Rect out) {
             out.left = top;
@@ -58,7 +58,7 @@
         }
     };
 
-    public static RotationMode ROTATION_SEASCAPE = new RotationMode(90) {
+    public static final RotationMode ROTATION_SEASCAPE = new RotationMode(90) {
         @Override
         public void mapRect(int left, int top, int right, int bottom, Rect out) {
             out.left = bottom;
diff --git a/robolectric_tests/src/com/android/launcher3/model/BaseModelUpdateTaskTestCase.java b/robolectric_tests/src/com/android/launcher3/model/BaseModelUpdateTaskTestCase.java
index f7e05a4..012258d 100644
--- a/robolectric_tests/src/com/android/launcher3/model/BaseModelUpdateTaskTestCase.java
+++ b/robolectric_tests/src/com/android/launcher3/model/BaseModelUpdateTaskTestCase.java
@@ -7,7 +7,6 @@
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
-import static org.robolectric.util.ReflectionHelpers.setField;
 
 import android.content.ComponentName;
 import android.content.Context;
@@ -32,7 +31,7 @@
 import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.icons.cache.CachingLogic;
 import com.android.launcher3.model.BgDataModel.Callbacks;
-import com.android.launcher3.pm.PackageInstallerCompat;
+import com.android.launcher3.pm.InstallSessionHelper;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.TestLauncherProvider;
 
@@ -76,7 +75,7 @@
     public void setUp() throws Exception {
         ShadowLog.stream = System.out;
         reinitializeStaticExecutors();
-        setField(PackageInstallerCompat.class, null, "sInstance", null);
+        InstallSessionHelper.INSTANCE.initializeForTesting(null);
 
         provider = Robolectric.setupContentProvider(TestLauncherProvider.class);
         ShadowContentResolver.registerProviderInternal(LauncherProvider.AUTHORITY, provider);
diff --git a/robolectric_tests/src/com/android/launcher3/model/DefaultLayoutProviderTest.java b/robolectric_tests/src/com/android/launcher3/model/DefaultLayoutProviderTest.java
index 9e4a43c..68713d8 100644
--- a/robolectric_tests/src/com/android/launcher3/model/DefaultLayoutProviderTest.java
+++ b/robolectric_tests/src/com/android/launcher3/model/DefaultLayoutProviderTest.java
@@ -34,6 +34,7 @@
 import com.android.launcher3.LauncherProvider;
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.icons.BitmapInfo;
+import com.android.launcher3.pm.InstallSessionHelper;
 import com.android.launcher3.shadows.LShadowLauncherApps;
 import com.android.launcher3.shadows.LShadowUserManager;
 import com.android.launcher3.shadows.ShadowLooperExecutor;
@@ -95,6 +96,7 @@
     public void cleanup() {
         InvariantDeviceProfile.INSTANCE.initializeForTesting(null);
         CustomWidgetManager.INSTANCE.initializeForTesting(null);
+        InstallSessionHelper.INSTANCE.initializeForTesting(null);
     }
 
     @Test
diff --git a/src/com/android/launcher3/AppInfo.java b/src/com/android/launcher3/AppInfo.java
index c8e7619..af219ba 100644
--- a/src/com/android/launcher3/AppInfo.java
+++ b/src/com/android/launcher3/AppInfo.java
@@ -24,8 +24,8 @@
 import android.os.Build;
 import android.os.Process;
 import android.os.UserHandle;
+import android.os.UserManager;
 
-import com.android.launcher3.compat.UserManagerCompat;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.PackageManagerHelper;
 
@@ -36,8 +36,8 @@
  */
 public class AppInfo extends ItemInfoWithIcon {
 
-    public static AppInfo[] EMPTY_ARRAY = new AppInfo[0];
-    public static Comparator<AppInfo> COMPONENT_KEY_COMPARATOR = (a, b) -> {
+    public static final AppInfo[] EMPTY_ARRAY = new AppInfo[0];
+    public static final Comparator<AppInfo> COMPONENT_KEY_COMPARATOR = (a, b) -> {
         int uc = a.user.hashCode() - b.user.hashCode();
         return uc != 0 ? uc : a.componentName.compareTo(b.componentName);
     };
@@ -65,7 +65,7 @@
      * Must not hold the Context.
      */
     public AppInfo(Context context, LauncherActivityInfo info, UserHandle user) {
-        this(info, user, UserManagerCompat.getInstance(context).isQuietModeEnabled(user));
+        this(info, user, context.getSystemService(UserManager.class).isQuietModeEnabled(user));
     }
 
     public AppInfo(LauncherActivityInfo info, UserHandle user, boolean quietModeEnabled) {
diff --git a/src/com/android/launcher3/AppWidgetResizeFrame.java b/src/com/android/launcher3/AppWidgetResizeFrame.java
index f9a8d1b..73d8a88 100644
--- a/src/com/android/launcher3/AppWidgetResizeFrame.java
+++ b/src/com/android/launcher3/AppWidgetResizeFrame.java
@@ -22,6 +22,7 @@
 import com.android.launcher3.accessibility.DragViewStateAnnouncer;
 import com.android.launcher3.dragndrop.DragLayer;
 import com.android.launcher3.util.FocusLogic;
+import com.android.launcher3.util.MainThreadInitializedObject;
 import com.android.launcher3.widget.LauncherAppWidgetHostView;
 
 import java.util.ArrayList;
@@ -35,7 +36,12 @@
     private static final Rect sTmpRect = new Rect();
 
     // Represents the cell size on the grid in the two orientations.
-    private static Point[] sCellSize;
+    private static final MainThreadInitializedObject<Point[]> CELL_SIZE =
+            new MainThreadInitializedObject<>(c -> {
+                InvariantDeviceProfile inv = LauncherAppState.getIDP(c);
+                return new Point[] {inv.landscapeProfile.getCellSize(),
+                        inv.portraitProfile.getCellSize()};
+            });
 
     private static final int HANDLE_COUNT = 4;
     private static final int INDEX_LEFT = 0;
@@ -352,27 +358,19 @@
     }
 
     public static Rect getWidgetSizeRanges(Context context, int spanX, int spanY, Rect rect) {
-        if (sCellSize == null) {
-            InvariantDeviceProfile inv = LauncherAppState.getIDP(context);
-
-            // Initiate cell sizes.
-            sCellSize = new Point[2];
-            sCellSize[0] = inv.landscapeProfile.getCellSize();
-            sCellSize[1] = inv.portraitProfile.getCellSize();
-        }
-
         if (rect == null) {
             rect = new Rect();
         }
         final float density = context.getResources().getDisplayMetrics().density;
+        final Point[] cellSize = CELL_SIZE.get(context);
 
         // Compute landscape size
-        int landWidth = (int) ((spanX * sCellSize[0].x) / density);
-        int landHeight = (int) ((spanY * sCellSize[0].y) / density);
+        int landWidth = (int) ((spanX * cellSize[0].x) / density);
+        int landHeight = (int) ((spanY * cellSize[0].y) / density);
 
         // Compute portrait size
-        int portWidth = (int) ((spanX * sCellSize[1].x) / density);
-        int portHeight = (int) ((spanY * sCellSize[1].y) / density);
+        int portWidth = (int) ((spanX * cellSize[1].x) / density);
+        int portHeight = (int) ((spanY * cellSize[1].y) / density);
         rect.set(portWidth, landHeight, landWidth, portHeight);
         return rect;
     }
diff --git a/src/com/android/launcher3/AppWidgetsRestoredReceiver.java b/src/com/android/launcher3/AppWidgetsRestoredReceiver.java
index 5f1be94..71b7206 100644
--- a/src/com/android/launcher3/AppWidgetsRestoredReceiver.java
+++ b/src/com/android/launcher3/AppWidgetsRestoredReceiver.java
@@ -12,15 +12,15 @@
 import android.database.Cursor;
 import android.util.Log;
 
+import androidx.annotation.WorkerThread;
+
 import com.android.launcher3.LauncherSettings.Favorites;
-import com.android.launcher3.compat.UserManagerCompat;
 import com.android.launcher3.model.LoaderTask;
 import com.android.launcher3.model.WidgetsModel;
+import com.android.launcher3.pm.UserCache;
 import com.android.launcher3.provider.RestoreDbTask;
 import com.android.launcher3.util.ContentWriter;
 
-import androidx.annotation.WorkerThread;
-
 public class AppWidgetsRestoredReceiver extends BroadcastReceiver {
 
     private static final String TAG = "AWRestoredReceiver";
@@ -82,7 +82,7 @@
 
             // b/135926478: Work profile widget restore is broken in platform. This forces us to
             // recreate the widget during loading with the correct host provider.
-            long mainProfileId = UserManagerCompat.getInstance(context)
+            long mainProfileId = UserCache.INSTANCE.get(context)
                     .getSerialNumberForUser(myUserHandle());
             String oldWidgetId = Integer.toString(oldWidgetIds[i]);
             int result = new ContentWriter(context, new ContentWriter.CommitParams(
diff --git a/src/com/android/launcher3/BaseDraggingActivity.java b/src/com/android/launcher3/BaseDraggingActivity.java
index 1043dc9..21c819a 100644
--- a/src/com/android/launcher3/BaseDraggingActivity.java
+++ b/src/com/android/launcher3/BaseDraggingActivity.java
@@ -73,8 +73,7 @@
         mRotationListener = new DisplayRotationListener(this, this::onDeviceRotationChanged);
 
         // Update theme
-        WallpaperColorInfo wallpaperColorInfo = WallpaperColorInfo.getInstance(this);
-        wallpaperColorInfo.addOnChangeListener(this);
+        WallpaperColorInfo.INSTANCE.get(this).addOnChangeListener(this);
         int themeRes = Themes.getActivityThemeRes(this);
         if (themeRes != mThemeRes) {
             mThemeRes = themeRes;
@@ -234,7 +233,7 @@
     @Override
     protected void onDestroy() {
         super.onDestroy();
-        WallpaperColorInfo.getInstance(this).removeOnChangeListener(this);
+        WallpaperColorInfo.INSTANCE.get(this).removeOnChangeListener(this);
         mRotationListener.disable();
     }
 
diff --git a/src/com/android/launcher3/CellLayout.java b/src/com/android/launcher3/CellLayout.java
index 89bec98..ac61c49 100644
--- a/src/com/android/launcher3/CellLayout.java
+++ b/src/com/android/launcher3/CellLayout.java
@@ -179,7 +179,7 @@
 
     private final Rect mTempRect = new Rect();
 
-    private final static Paint sPaint = new Paint();
+    private static final Paint sPaint = new Paint();
 
     // Related to accessible drag and drop
     private DragAndDropAccessibilityDelegate mTouchHelper;
diff --git a/src/com/android/launcher3/InstallShortcutReceiver.java b/src/com/android/launcher3/InstallShortcutReceiver.java
index 21359f1..df03027 100644
--- a/src/com/android/launcher3/InstallShortcutReceiver.java
+++ b/src/com/android/launcher3/InstallShortcutReceiver.java
@@ -44,11 +44,11 @@
 import androidx.annotation.Nullable;
 import androidx.annotation.WorkerThread;
 
-import com.android.launcher3.compat.UserManagerCompat;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.icons.BitmapInfo;
 import com.android.launcher3.icons.GraphicsUtils;
 import com.android.launcher3.icons.LauncherIcons;
+import com.android.launcher3.pm.UserCache;
 import com.android.launcher3.shortcuts.DeepShortcutManager;
 import com.android.launcher3.shortcuts.ShortcutKey;
 import com.android.launcher3.util.PackageManagerHelper;
@@ -422,7 +422,7 @@
                             .object()
                             .key(LAUNCH_INTENT_KEY).value(launchIntent.toUri(0))
                             .key(DEEPSHORTCUT_TYPE_KEY).value(true)
-                            .key(USER_HANDLE_KEY).value(UserManagerCompat.getInstance(mContext)
+                            .key(USER_HANDLE_KEY).value(UserCache.INSTANCE.get(mContext)
                                     .getSerialNumberForUser(user))
                             .endObject().toString();
                 } else if (providerInfo != null) {
@@ -432,7 +432,7 @@
                             .object()
                             .key(LAUNCH_INTENT_KEY).value(launchIntent.toUri(0))
                             .key(APP_WIDGET_TYPE_KEY).value(true)
-                            .key(USER_HANDLE_KEY).value(UserManagerCompat.getInstance(mContext)
+                            .key(USER_HANDLE_KEY).value(UserCache.INSTANCE.get(mContext)
                                     .getSerialNumberForUser(user))
                             .endObject().toString();
                 }
@@ -460,7 +460,7 @@
                     .key(LAUNCH_INTENT_KEY).value(launchIntent.toUri(0))
                     .key(NAME_KEY).value(name)
                     .key(USER_HANDLE_KEY).value(
-                            UserManagerCompat.getInstance(mContext).getSerialNumberForUser(user))
+                            UserCache.INSTANCE.get(mContext).getSerialNumberForUser(user))
                     .key(APP_SHORTCUT_TYPE_KEY).value(isActivity);
                 if (icon != null) {
                     byte[] iconByteArray = GraphicsUtils.flattenBitmap(icon);
@@ -598,7 +598,7 @@
         private Decoder(String encoded, Context context) throws JSONException, URISyntaxException {
             super(encoded);
             launcherIntent = Intent.parseUri(getString(LAUNCH_INTENT_KEY), 0);
-            user = has(USER_HANDLE_KEY) ? UserManagerCompat.getInstance(context)
+            user = has(USER_HANDLE_KEY) ? UserCache.INSTANCE.get(context)
                     .getUserForSerialNumber(getLong(USER_HANDLE_KEY))
                     : Process.myUserHandle();
             if (user == null) {
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index cb8fe05..7265a1a 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -95,7 +95,6 @@
 import com.android.launcher3.allapps.AllAppsTransitionController;
 import com.android.launcher3.allapps.DiscoveryBounce;
 import com.android.launcher3.anim.PropertyListBuilder;
-import com.android.launcher3.compat.AppWidgetManagerCompat;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.dot.DotInfo;
 import com.android.launcher3.dragndrop.DragController;
@@ -122,6 +121,7 @@
 import com.android.launcher3.popup.SystemShortcut;
 import com.android.launcher3.qsb.QsbContainerView;
 import com.android.launcher3.states.RotationHelper;
+import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.touch.AllAppsSwipeController;
 import com.android.launcher3.touch.ItemClickHandler;
 import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
@@ -157,6 +157,7 @@
 import com.android.launcher3.widget.WidgetAddFlowHandler;
 import com.android.launcher3.widget.WidgetHostViewLoader;
 import com.android.launcher3.widget.WidgetListRowEntry;
+import com.android.launcher3.widget.WidgetManagerHelper;
 import com.android.launcher3.widget.WidgetsFullSheet;
 import com.android.launcher3.widget.custom.CustomWidgetManager;
 import com.android.systemui.plugins.OverlayPlugin;
@@ -250,7 +251,7 @@
     DragLayer mDragLayer;
     private DragController mDragController;
 
-    private AppWidgetManagerCompat mAppWidgetManager;
+    private WidgetManagerHelper mAppWidgetManager;
     private LauncherAppWidgetHost mAppWidgetHost;
 
     private final int[] mTmpAddItemCellCoordinates = new int[2];
@@ -360,7 +361,7 @@
         mAllAppsController = new AllAppsTransitionController(this);
         mStateManager = new LauncherStateManager(this);
 
-        mAppWidgetManager = AppWidgetManagerCompat.getInstance(this);
+        mAppWidgetManager = new WidgetManagerHelper(this);
         mAppWidgetHost = new LauncherAppWidgetHost(this,
                 appWidgetId -> getWorkspace().removeWidget(appWidgetId));
         mAppWidgetHost.startListening();
@@ -2636,6 +2637,9 @@
 
                 // Setting the touch point to (-1, -1) will show the options popup in the center of
                 // the screen.
+                if (Utilities.IS_RUNNING_IN_TEST_HARNESS) {
+                    Log.d(TestProtocol.PERMANENT_DIAG_TAG, "Opening options popup on key up");
+                }
                 OptionsPopupView.showDefaultOptions(this, -1, -1);
             }
             return true;
diff --git a/src/com/android/launcher3/LauncherAppState.java b/src/com/android/launcher3/LauncherAppState.java
index 79f4821..c6946ca 100644
--- a/src/com/android/launcher3/LauncherAppState.java
+++ b/src/com/android/launcher3/LauncherAppState.java
@@ -27,14 +27,14 @@
 import android.os.Handler;
 import android.util.Log;
 
-import com.android.launcher3.compat.UserManagerCompat;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.icons.IconProvider;
 import com.android.launcher3.icons.LauncherIcons;
 import com.android.launcher3.notification.NotificationListener;
+import com.android.launcher3.pm.InstallSessionHelper;
 import com.android.launcher3.pm.InstallSessionTracker;
-import com.android.launcher3.pm.PackageInstallerCompat;
+import com.android.launcher3.pm.UserCache;
 import com.android.launcher3.util.MainThreadInitializedObject;
 import com.android.launcher3.util.Preconditions;
 import com.android.launcher3.util.SafeCloseable;
@@ -60,6 +60,7 @@
     private final InstallSessionTracker mInstallSessionTracker;
     private final SimpleBroadcastReceiver mModelChangeReceiver;
     private final SafeCloseable mCalendarChangeTracker;
+    private final SafeCloseable mUserChangeListener;
 
     public static LauncherAppState getInstance(final Context context) {
         return INSTANCE.get(context);
@@ -87,8 +88,6 @@
 
         mContext.getSystemService(LauncherApps.class).registerCallback(mModel);
         mModelChangeReceiver.register(mContext, Intent.ACTION_LOCALE_CHANGED,
-                Intent.ACTION_MANAGED_PROFILE_ADDED,
-                Intent.ACTION_MANAGED_PROFILE_REMOVED,
                 Intent.ACTION_MANAGED_PROFILE_AVAILABLE,
                 Intent.ACTION_MANAGED_PROFILE_UNAVAILABLE,
                 Intent.ACTION_MANAGED_PROFILE_UNLOCKED);
@@ -104,11 +103,13 @@
         CustomWidgetManager.INSTANCE.get(mContext)
                 .setWidgetRefreshCallback(mModel::refreshAndBindWidgetsAndShortcuts);
 
-        UserManagerCompat.getInstance(mContext).enableAndResetCache();
+        mUserChangeListener = UserCache.INSTANCE.get(mContext)
+                .addUserChangeListener(mModel::forceReload);
+
         mInvariantDeviceProfile.addOnChangeListener(this::onIdpChanged);
         new Handler().post( () -> mInvariantDeviceProfile.verifyConfigChangedInBackground(context));
 
-        mInstallSessionTracker = PackageInstallerCompat.getInstance(context)
+        mInstallSessionTracker = InstallSessionHelper.INSTANCE.get(context)
                 .registerInstallTracker(mModel, MODEL_EXECUTOR);
 
         if (!mContext.getResources().getBoolean(R.bool.notification_dots_enabled)) {
@@ -151,6 +152,7 @@
         mContext.getSystemService(LauncherApps.class).unregisterCallback(mModel);
         mInstallSessionTracker.unregister();
         mCalendarChangeTracker.close();
+        mUserChangeListener.close();
         CustomWidgetManager.INSTANCE.get(mContext).setWidgetRefreshCallback(null);
 
         if (mNotificationDotsObserver != null) {
diff --git a/src/com/android/launcher3/LauncherModel.java b/src/com/android/launcher3/LauncherModel.java
index 1e25c0c..67fd7db 100644
--- a/src/com/android/launcher3/LauncherModel.java
+++ b/src/com/android/launcher3/LauncherModel.java
@@ -34,7 +34,6 @@
 import androidx.annotation.Nullable;
 import androidx.annotation.WorkerThread;
 
-import com.android.launcher3.compat.UserManagerCompat;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.icons.LauncherIcons;
@@ -54,6 +53,7 @@
 import com.android.launcher3.model.UserLockStateChangedTask;
 import com.android.launcher3.pm.InstallSessionTracker;
 import com.android.launcher3.pm.PackageInstallInfo;
+import com.android.launcher3.pm.UserCache;
 import com.android.launcher3.shortcuts.DeepShortcutManager;
 import com.android.launcher3.util.IntSparseArrayMap;
 import com.android.launcher3.util.ItemInfoMatcher;
@@ -234,10 +234,6 @@
         if (Intent.ACTION_LOCALE_CHANGED.equals(action)) {
             // If we have changed locale we need to clear out the labels in all apps/workspace.
             forceReload();
-        } else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action)
-                || Intent.ACTION_MANAGED_PROFILE_REMOVED.equals(action)) {
-            UserManagerCompat.getInstance(mApp.getContext()).enableAndResetCache();
-            forceReload();
         } else if (Intent.ACTION_MANAGED_PROFILE_AVAILABLE.equals(action) ||
                 Intent.ACTION_MANAGED_PROFILE_UNAVAILABLE.equals(action) ||
                 Intent.ACTION_MANAGED_PROFILE_UNLOCKED.equals(action)) {
@@ -462,7 +458,7 @@
     /**
      * Refreshes the cached shortcuts if the shortcut permission has changed.
      * Current implementation simply reloads the workspace, but it can be optimized to
-     * use partial updates similar to {@link UserManagerCompat}
+     * use partial updates similar to {@link UserCache}
      */
     public void refreshShortcutsIfRequired() {
         MODEL_EXECUTOR.getHandler().removeCallbacks(mShortcutPermissionCheckRunnable);
diff --git a/src/com/android/launcher3/LauncherProvider.java b/src/com/android/launcher3/LauncherProvider.java
index 67fe038..900c966 100644
--- a/src/com/android/launcher3/LauncherProvider.java
+++ b/src/com/android/launcher3/LauncherProvider.java
@@ -47,6 +47,7 @@
 import android.os.Bundle;
 import android.os.Process;
 import android.os.UserHandle;
+import android.os.UserManager;
 import android.provider.BaseColumns;
 import android.provider.Settings;
 import android.text.TextUtils;
@@ -55,10 +56,10 @@
 
 import com.android.launcher3.AutoInstallsLayout.LayoutParserCallback;
 import com.android.launcher3.LauncherSettings.Favorites;
-import com.android.launcher3.compat.UserManagerCompat;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.logging.FileLog;
 import com.android.launcher3.model.DbDowngradeHelper;
+import com.android.launcher3.pm.UserCache;
 import com.android.launcher3.provider.LauncherDbUtils;
 import com.android.launcher3.provider.LauncherDbUtils.SQLiteTransaction;
 import com.android.launcher3.provider.RestoreDbTask;
@@ -526,8 +527,8 @@
         InvariantDeviceProfile idp = LauncherAppState.getIDP(getContext());
         int defaultLayout = idp.defaultLayoutId;
 
-        UserManagerCompat um = UserManagerCompat.getInstance(getContext());
-        if (um.isDemoUser() && idp.demoModeLayoutId != 0) {
+        if (getContext().getSystemService(UserManager.class).isDemoUser()
+                && idp.demoModeLayoutId != 0) {
             defaultLayout = idp.demoModeLayoutId;
         }
 
@@ -608,7 +609,7 @@
         }
 
         public long getSerialNumberForUser(UserHandle user) {
-            return UserManagerCompat.getInstance(mContext).getSerialNumberForUser(user);
+            return UserCache.INSTANCE.get(mContext).getSerialNumberForUser(user);
         }
 
         public long getDefaultUserSerial() {
@@ -639,7 +640,7 @@
          */
         protected void handleOneTimeDataUpgrade(SQLiteDatabase db) {
             // Remove "profile extra"
-            UserManagerCompat um = UserManagerCompat.getInstance(mContext);
+            UserCache um = UserCache.INSTANCE.get(mContext);
             for (UserHandle user : um.getUserProfiles()) {
                 long serial = um.getSerialNumberForUser(user);
                 String sql = "update favorites set intent = replace(intent, "
diff --git a/src/com/android/launcher3/Partner.java b/src/com/android/launcher3/Partner.java
index af5402a..d79f62d 100644
--- a/src/com/android/launcher3/Partner.java
+++ b/src/com/android/launcher3/Partner.java
@@ -53,21 +53,12 @@
     public static final String RES_GRID_NUM_COLUMNS = "grid_num_columns";
     public static final String RES_GRID_ICON_SIZE_DP = "grid_icon_size_dp";
 
-    private static boolean sSearched = false;
-    private static Partner sPartner;
-
     /**
      * Find and return partner details, or {@code null} if none exists.
      */
     public static synchronized Partner get(PackageManager pm) {
-        if (!sSearched) {
-            Pair<String, Resources> apkInfo = findSystemApk(ACTION_PARTNER_CUSTOMIZATION, pm);
-            if (apkInfo != null) {
-                sPartner = new Partner(apkInfo.first, apkInfo.second);
-            }
-            sSearched = true;
-        }
-        return sPartner;
+        Pair<String, Resources> apkInfo = findSystemApk(ACTION_PARTNER_CUSTOMIZATION, pm);
+        return apkInfo != null ? new Partner(apkInfo.first, apkInfo.second) : null;
     }
 
     private final String mPackageName;
diff --git a/src/com/android/launcher3/ResourceUtils.java b/src/com/android/launcher3/ResourceUtils.java
index 73e705b..7f327a5 100644
--- a/src/com/android/launcher3/ResourceUtils.java
+++ b/src/com/android/launcher3/ResourceUtils.java
@@ -29,7 +29,7 @@
         return getDimenByName(resName, res, 48);
     }
 
-    private static int getDimenByName(String resName, Resources res, int defaultValue) {
+    public static int getDimenByName(String resName, Resources res, int defaultValue) {
         final int frameSize;
         final int frameSizeResID = res.getIdentifier(resName, "dimen", "android");
         if (frameSizeResID != 0) {
@@ -40,6 +40,17 @@
         return frameSize;
     }
 
+    public static boolean getBoolByName(String resName, Resources res, boolean defaultValue) {
+        final boolean val;
+        final int resId = res.getIdentifier(resName, "bool", "android");
+        if (resId != 0) {
+            val = res.getBoolean(resId);
+        } else {
+            val = defaultValue;
+        }
+        return val;
+    }
+
     public static int pxFromDp(float size, DisplayMetrics metrics) {
         return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, size, metrics));
     }
diff --git a/src/com/android/launcher3/SessionCommitReceiver.java b/src/com/android/launcher3/SessionCommitReceiver.java
index e0c50e2..f0bae02 100644
--- a/src/com/android/launcher3/SessionCommitReceiver.java
+++ b/src/com/android/launcher3/SessionCommitReceiver.java
@@ -16,7 +16,7 @@
 
 package com.android.launcher3;
 
-import static com.android.launcher3.pm.PackageInstallerCompat.getUserHandle;
+import static com.android.launcher3.pm.InstallSessionHelper.getUserHandle;
 
 import android.annotation.TargetApi;
 import android.content.BroadcastReceiver;
@@ -40,7 +40,7 @@
 import android.text.TextUtils;
 import android.util.Log;
 
-import com.android.launcher3.pm.PackageInstallerCompat;
+import com.android.launcher3.pm.InstallSessionHelper;
 import com.android.launcher3.util.Executors;
 
 import java.util.List;
@@ -77,7 +77,7 @@
             return;
         }
 
-        PackageInstallerCompat packageInstallerCompat = PackageInstallerCompat.getInstance(context);
+        InstallSessionHelper packageInstallerCompat = InstallSessionHelper.INSTANCE.get(context);
         if (TextUtils.isEmpty(info.getAppPackageName())
                 || info.getInstallReason() != PackageManager.INSTALL_REASON_USER
                 || packageInstallerCompat.promiseIconAddedForId(info.getSessionId())) {
diff --git a/src/com/android/launcher3/WidgetPreviewLoader.java b/src/com/android/launcher3/WidgetPreviewLoader.java
index 37b58d3..2c45c77 100644
--- a/src/com/android/launcher3/WidgetPreviewLoader.java
+++ b/src/com/android/launcher3/WidgetPreviewLoader.java
@@ -37,14 +37,13 @@
 import androidx.annotation.Nullable;
 import androidx.annotation.UiThread;
 
-import com.android.launcher3.compat.AppWidgetManagerCompat;
-import com.android.launcher3.compat.UserManagerCompat;
 import com.android.launcher3.icons.GraphicsUtils;
 import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.icons.LauncherIcons;
 import com.android.launcher3.icons.ShadowGenerator;
 import com.android.launcher3.model.WidgetItem;
 import com.android.launcher3.pm.ShortcutConfigActivityInfo;
+import com.android.launcher3.pm.UserCache;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.Executors;
 import com.android.launcher3.util.PackageUserKey;
@@ -52,6 +51,7 @@
 import com.android.launcher3.util.SQLiteCacheHelper;
 import com.android.launcher3.util.Thunk;
 import com.android.launcher3.widget.WidgetCell;
+import com.android.launcher3.widget.WidgetManagerHelper;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -78,7 +78,7 @@
 
     private final Context mContext;
     private final IconCache mIconCache;
-    private final UserManagerCompat mUserManager;
+    private final UserCache mUserCache;
     private final CacheDb mDb;
 
     private final UserHandle mMyUser = Process.myUserHandle();
@@ -87,7 +87,7 @@
     public WidgetPreviewLoader(Context context, IconCache iconCache) {
         mContext = context;
         mIconCache = iconCache;
-        mUserManager = UserManagerCompat.getInstance(context);
+        mUserCache = UserCache.INSTANCE.get(context);
         mDb = new CacheDb(context);
     }
 
@@ -197,7 +197,7 @@
     @Thunk void writeToDb(WidgetCacheKey key, long[] versions, Bitmap preview) {
         ContentValues values = new ContentValues();
         values.put(CacheDb.COLUMN_COMPONENT, key.componentName.flattenToShortString());
-        values.put(CacheDb.COLUMN_USER, mUserManager.getSerialNumberForUser(key.user));
+        values.put(CacheDb.COLUMN_USER, mUserCache.getSerialNumberForUser(key.user));
         values.put(CacheDb.COLUMN_SIZE, key.size);
         values.put(CacheDb.COLUMN_PACKAGE, key.componentName.getPackageName());
         values.put(CacheDb.COLUMN_VERSION, versions[0]);
@@ -207,7 +207,7 @@
     }
 
     public void removePackage(String packageName, UserHandle user) {
-        removePackage(packageName, user, mUserManager.getSerialNumberForUser(user));
+        removePackage(packageName, user, mUserCache.getSerialNumberForUser(user));
     }
 
     private void removePackage(String packageName, UserHandle user, long userSerial) {
@@ -236,7 +236,7 @@
         LongSparseArray<HashSet<String>> validPackages = new LongSparseArray<>();
 
         for (ComponentKey key : list) {
-            final long userId = mUserManager.getSerialNumberForUser(key.user);
+            final long userId = mUserCache.getSerialNumberForUser(key.user);
             HashSet<String> packages = validPackages.get(userId);
             if (packages == null) {
                 packages = new HashSet<>();
@@ -247,7 +247,7 @@
 
         LongSparseArray<HashSet<String>> packagesToDelete = new LongSparseArray<>();
         long passedUserId = packageUser == null ? 0
-                : mUserManager.getSerialNumberForUser(packageUser.mUser);
+                : mUserCache.getSerialNumberForUser(packageUser.mUser);
         Cursor c = null;
         try {
             c = mDb.query(
@@ -286,7 +286,7 @@
 
             for (int i = 0; i < packagesToDelete.size(); i++) {
                 long userId = packagesToDelete.keyAt(i);
-                UserHandle user = mUserManager.getUserForSerialNumber(userId);
+                UserHandle user = mUserCache.getUserForSerialNumber(userId);
                 for (String pkg : packagesToDelete.valueAt(i)) {
                     removePackage(pkg, user, userId);
                 }
@@ -312,7 +312,7 @@
                             + CacheDb.COLUMN_SIZE + " = ?",
                     new String[]{
                             key.componentName.flattenToShortString(),
-                            Long.toString(mUserManager.getSerialNumberForUser(key.user)),
+                            Long.toString(mUserCache.getSerialNumberForUser(key.user)),
                             key.size
                     });
             // If cancelled, skip getting the blob and decoding it into a bitmap
@@ -364,7 +364,7 @@
     }
 
     /**
-     * Generates the widget preview from either the {@link AppWidgetManagerCompat} or cache
+     * Generates the widget preview from either the {@link WidgetManagerHelper} or cache
      * and add badge at the bottom right corner.
      *
      * @param launcher
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 816d710..7af979c 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -66,7 +66,6 @@
 import com.android.launcher3.accessibility.WorkspaceAccessibilityHelper;
 import com.android.launcher3.anim.AnimatorSetBuilder;
 import com.android.launcher3.anim.Interpolators;
-import com.android.launcher3.compat.AppWidgetManagerCompat;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.dot.FolderDotInfo;
 import com.android.launcher3.dragndrop.DragController;
@@ -100,6 +99,7 @@
 import com.android.launcher3.widget.PendingAddShortcutInfo;
 import com.android.launcher3.widget.PendingAddWidgetInfo;
 import com.android.launcher3.widget.PendingAppWidgetHostView;
+import com.android.launcher3.widget.WidgetManagerHelper;
 import com.android.systemui.plugins.shared.LauncherOverlayManager.LauncherOverlay;
 
 import java.util.ArrayList;
@@ -3233,12 +3233,11 @@
 
             LauncherAppWidgetInfo item = changedInfo.get(0);
             final AppWidgetProviderInfo widgetInfo;
+            WidgetManagerHelper widgetHelper = new WidgetManagerHelper(getContext());
             if (item.hasRestoreFlag(LauncherAppWidgetInfo.FLAG_ID_NOT_VALID)) {
-                widgetInfo = AppWidgetManagerCompat
-                        .getInstance(mLauncher).findProvider(item.providerName, item.user);
+                widgetInfo = widgetHelper.findProvider(item.providerName, item.user);
             } else {
-                widgetInfo = AppWidgetManagerCompat.getInstance(mLauncher)
-                        .getLauncherAppWidgetInfo(item.appWidgetId);
+                widgetInfo = widgetHelper.getLauncherAppWidgetInfo(item.appWidgetId);
             }
 
             if (widgetInfo != null) {
diff --git a/src/com/android/launcher3/allapps/AllAppsGridAdapter.java b/src/com/android/launcher3/allapps/AllAppsGridAdapter.java
index bb21268..80ea1eb 100644
--- a/src/com/android/launcher3/allapps/AllAppsGridAdapter.java
+++ b/src/com/android/launcher3/allapps/AllAppsGridAdapter.java
@@ -26,25 +26,25 @@
 import android.view.accessibility.AccessibilityEvent;
 import android.widget.TextView;
 
-import com.android.launcher3.AppInfo;
-import com.android.launcher3.BubbleTextView;
-import com.android.launcher3.Launcher;
-import com.android.launcher3.R;
-import com.android.launcher3.allapps.AlphabeticalAppsList.AdapterItem;
-import com.android.launcher3.compat.UserManagerCompat;
-import com.android.launcher3.model.AppLaunchTracker;
-import com.android.launcher3.touch.ItemClickHandler;
-import com.android.launcher3.touch.ItemLongClickListener;
-import com.android.launcher3.util.PackageManagerHelper;
-
-import java.util.List;
-
 import androidx.core.view.accessibility.AccessibilityEventCompat;
 import androidx.core.view.accessibility.AccessibilityNodeInfoCompat;
 import androidx.core.view.accessibility.AccessibilityRecordCompat;
 import androidx.recyclerview.widget.GridLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
+import com.android.launcher3.AppInfo;
+import com.android.launcher3.BubbleTextView;
+import com.android.launcher3.Launcher;
+import com.android.launcher3.R;
+import com.android.launcher3.allapps.AlphabeticalAppsList.AdapterItem;
+import com.android.launcher3.model.AppLaunchTracker;
+import com.android.launcher3.pm.UserCache;
+import com.android.launcher3.touch.ItemClickHandler;
+import com.android.launcher3.touch.ItemLongClickListener;
+import com.android.launcher3.util.PackageManagerHelper;
+
+import java.util.List;
+
 /**
  * The grid view adapter of all the apps.
  */
@@ -312,7 +312,7 @@
                 WorkModeSwitch workModeToggle = holder.itemView.findViewById(R.id.work_mode_toggle);
                 workModeToggle.refresh();
                 TextView managedByLabel = holder.itemView.findViewById(R.id.managed_by_label);
-                boolean anyProfileQuietModeEnabled = UserManagerCompat.getInstance(
+                boolean anyProfileQuietModeEnabled = UserCache.INSTANCE.get(
                         managedByLabel.getContext()).isAnyProfileQuietModeEnabled();
                 managedByLabel.setText(anyProfileQuietModeEnabled
                         ? R.string.work_mode_off_label : R.string.work_mode_on_label);
diff --git a/src/com/android/launcher3/allapps/AppInfoComparator.java b/src/com/android/launcher3/allapps/AppInfoComparator.java
index 80577a7..8baf56c 100644
--- a/src/com/android/launcher3/allapps/AppInfoComparator.java
+++ b/src/com/android/launcher3/allapps/AppInfoComparator.java
@@ -20,7 +20,7 @@
 import android.os.UserHandle;
 
 import com.android.launcher3.AppInfo;
-import com.android.launcher3.compat.UserManagerCompat;
+import com.android.launcher3.pm.UserCache;
 import com.android.launcher3.util.LabelComparator;
 
 import java.util.Comparator;
@@ -30,12 +30,12 @@
  */
 public class AppInfoComparator implements Comparator<AppInfo> {
 
-    private final UserManagerCompat mUserManager;
+    private final UserCache mUserManager;
     private final UserHandle mMyUser;
     private final LabelComparator mLabelComparator;
 
     public AppInfoComparator(Context context) {
-        mUserManager = UserManagerCompat.getInstance(context);
+        mUserManager = UserCache.INSTANCE.get(context);
         mMyUser = Process.myUserHandle();
         mLabelComparator = new LabelComparator();
     }
diff --git a/src/com/android/launcher3/allapps/DiscoveryBounce.java b/src/com/android/launcher3/allapps/DiscoveryBounce.java
index dc2f7bd..e8035eb 100644
--- a/src/com/android/launcher3/allapps/DiscoveryBounce.java
+++ b/src/com/android/launcher3/allapps/DiscoveryBounce.java
@@ -26,6 +26,7 @@
 import android.animation.AnimatorListenerAdapter;
 import android.content.SharedPreferences;
 import android.os.Handler;
+import android.os.UserManager;
 import android.view.MotionEvent;
 
 import com.android.launcher3.AbstractFloatingView;
@@ -34,7 +35,7 @@
 import com.android.launcher3.LauncherStateManager.StateListener;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.compat.UserManagerCompat;
+import com.android.launcher3.pm.UserCache;
 
 /**
  * Abstract base class of floating view responsible for showing discovery bounce animation
@@ -146,7 +147,7 @@
                 || (launcher.getSharedPrefs().getBoolean(HOME_BOUNCE_SEEN, false)
                 && !shouldShowForWorkProfile(launcher))
                 || AbstractFloatingView.getTopOpenView(launcher) != null
-                || UserManagerCompat.getInstance(launcher).isDemoUser()
+                || launcher.getSystemService(UserManager.class).isDemoUser()
                 || Utilities.IS_RUNNING_IN_TEST_HARNESS) {
             return;
         }
@@ -171,7 +172,7 @@
                 || launcher.getDeviceProfile().isVerticalBarLayout()
                 || (launcher.getSharedPrefs().getBoolean(SHELF_BOUNCE_SEEN, false)
                 && !shouldShowForWorkProfile(launcher))
-                || UserManagerCompat.getInstance(launcher).isDemoUser()
+                || launcher.getSystemService(UserManager.class).isDemoUser()
                 || Utilities.IS_RUNNING_IN_TEST_HARNESS) {
             return;
         }
@@ -215,7 +216,7 @@
     private static boolean shouldShowForWorkProfile(Launcher launcher) {
         return !launcher.getSharedPrefs().getBoolean(
                 PersonalWorkSlidingTabStrip.KEY_SHOWED_PEEK_WORK_TAB, false)
-                && UserManagerCompat.getInstance(launcher).hasWorkProfile();
+                && UserCache.INSTANCE.get(launcher).hasWorkProfile();
     }
 
     private static void incrementShelfBounceCount(Launcher launcher) {
diff --git a/src/com/android/launcher3/allapps/WorkModeSwitch.java b/src/com/android/launcher3/allapps/WorkModeSwitch.java
index 717bbd4..aadb297 100644
--- a/src/com/android/launcher3/allapps/WorkModeSwitch.java
+++ b/src/com/android/launcher3/allapps/WorkModeSwitch.java
@@ -19,14 +19,15 @@
 import android.os.AsyncTask;
 import android.os.Process;
 import android.os.UserHandle;
+import android.os.UserManager;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
 import android.widget.Switch;
 
-import com.android.launcher3.compat.UserManagerCompat;
+import com.android.launcher3.Utilities;
+import com.android.launcher3.pm.UserCache;
 
 import java.lang.ref.WeakReference;
-import java.util.List;
 
 public class WorkModeSwitch extends Switch {
 
@@ -57,7 +58,7 @@
     }
 
     public void refresh() {
-        UserManagerCompat userManager = UserManagerCompat.getInstance(getContext());
+        UserCache userManager = UserCache.INSTANCE.get(getContext());
         setCheckedInternal(!userManager.isAnyProfileQuietModeEnabled());
         setEnabled(true);
     }
@@ -95,14 +96,14 @@
         @Override
         protected Boolean doInBackground(Void... voids) {
             WorkModeSwitch workModeSwitch = switchWeakReference.get();
-            if (workModeSwitch == null) {
+            if (workModeSwitch == null || !Utilities.ATLEAST_P) {
                 return false;
             }
-            UserManagerCompat userManager =
-                    UserManagerCompat.getInstance(workModeSwitch.getContext());
-            List<UserHandle> userProfiles = userManager.getUserProfiles();
+
+            Context context = workModeSwitch.getContext();
+            UserManager userManager = context.getSystemService(UserManager.class);
             boolean showConfirm = false;
-            for (UserHandle userProfile : userProfiles) {
+            for (UserHandle userProfile : UserCache.INSTANCE.get(context).getUserProfiles()) {
                 if (Process.myUserHandle().equals(userProfile)) {
                     continue;
                 }
diff --git a/src/com/android/launcher3/compat/AppWidgetManagerCompat.java b/src/com/android/launcher3/compat/AppWidgetManagerCompat.java
deleted file mode 100644
index fc5d11c..0000000
--- a/src/com/android/launcher3/compat/AppWidgetManagerCompat.java
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * Copyright (C) 2014 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.compat;
-
-import android.appwidget.AppWidgetManager;
-import android.appwidget.AppWidgetProviderInfo;
-import android.content.ComponentName;
-import android.content.Context;
-import android.os.Bundle;
-import android.os.UserHandle;
-
-import androidx.annotation.Nullable;
-
-import com.android.launcher3.LauncherAppWidgetInfo;
-import com.android.launcher3.LauncherAppWidgetProviderInfo;
-import com.android.launcher3.Utilities;
-import com.android.launcher3.util.ComponentKey;
-import com.android.launcher3.util.PackageUserKey;
-import com.android.launcher3.widget.custom.CustomWidgetManager;
-
-import java.util.HashMap;
-import java.util.List;
-
-public abstract class AppWidgetManagerCompat {
-
-    private static final Object sInstanceLock = new Object();
-    private static AppWidgetManagerCompat sInstance;
-
-    public static AppWidgetManagerCompat getInstance(Context context) {
-        synchronized (sInstanceLock) {
-            if (sInstance == null) {
-                if (Utilities.ATLEAST_OREO) {
-                    sInstance = new AppWidgetManagerCompatVO(context.getApplicationContext());
-                } else {
-                    sInstance = new AppWidgetManagerCompatVL(context.getApplicationContext());
-                }
-            }
-            return sInstance;
-        }
-    }
-
-    final AppWidgetManager mAppWidgetManager;
-    final Context mContext;
-
-    AppWidgetManagerCompat(Context context) {
-        mContext = context;
-        mAppWidgetManager = AppWidgetManager.getInstance(context);
-    }
-
-    public LauncherAppWidgetProviderInfo getLauncherAppWidgetInfo(int appWidgetId) {
-        if (appWidgetId <= LauncherAppWidgetInfo.CUSTOM_WIDGET_ID) {
-            return CustomWidgetManager.INSTANCE.get(mContext).getWidgetProvider(appWidgetId);
-        }
-        AppWidgetProviderInfo info = mAppWidgetManager.getAppWidgetInfo(appWidgetId);
-        return info == null ? null : LauncherAppWidgetProviderInfo.fromProviderInfo(mContext, info);
-    }
-
-    public abstract List<AppWidgetProviderInfo> getAllProviders(
-            @Nullable PackageUserKey packageUser);
-
-    public abstract boolean bindAppWidgetIdIfAllowed(
-            int appWidgetId, AppWidgetProviderInfo info, Bundle options);
-
-    public abstract LauncherAppWidgetProviderInfo findProvider(
-            ComponentName provider, UserHandle user);
-
-    public abstract HashMap<ComponentKey, AppWidgetProviderInfo> getAllProvidersMap();
-}
diff --git a/src/com/android/launcher3/compat/AppWidgetManagerCompatVL.java b/src/com/android/launcher3/compat/AppWidgetManagerCompatVL.java
deleted file mode 100644
index 8f6500b..0000000
--- a/src/com/android/launcher3/compat/AppWidgetManagerCompatVL.java
+++ /dev/null
@@ -1,138 +0,0 @@
-/*
- * Copyright (C) 2014 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.compat;
-
-import android.appwidget.AppWidgetProviderInfo;
-import android.content.ComponentName;
-import android.content.Context;
-import android.os.Bundle;
-import android.os.Process;
-import android.os.UserHandle;
-import android.os.UserManager;
-
-import androidx.annotation.Nullable;
-
-import com.android.launcher3.LauncherAppWidgetInfo;
-import com.android.launcher3.LauncherAppWidgetProviderInfo;
-import com.android.launcher3.model.WidgetsModel;
-import com.android.launcher3.util.ComponentKey;
-import com.android.launcher3.util.PackageUserKey;
-import com.android.launcher3.widget.custom.CustomAppWidgetProviderInfo;
-import com.android.launcher3.widget.custom.CustomWidgetManager;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
-
-class AppWidgetManagerCompatVL extends AppWidgetManagerCompat {
-
-    private final UserManager mUserManager;
-
-    AppWidgetManagerCompatVL(Context context) {
-        super(context);
-        mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
-    }
-
-    @Override
-    public List<AppWidgetProviderInfo> getAllProviders(@Nullable PackageUserKey packageUser) {
-        if (WidgetsModel.GO_DISABLE_WIDGETS) {
-            return Collections.emptyList();
-        }
-        if (packageUser == null) {
-            ArrayList<AppWidgetProviderInfo> providers = new ArrayList<>();
-            for (UserHandle user : mUserManager.getUserProfiles()) {
-                providers.addAll(mAppWidgetManager.getInstalledProvidersForProfile(user));
-            }
-            providers.addAll(getCustomWidgets());
-            return providers;
-        }
-        // Only get providers for the given package/user.
-        List<AppWidgetProviderInfo> providers = new ArrayList<>(mAppWidgetManager
-                .getInstalledProvidersForProfile(packageUser.mUser));
-        Iterator<AppWidgetProviderInfo> iterator = providers.iterator();
-        while (iterator.hasNext()) {
-            if (!iterator.next().provider.getPackageName().equals(packageUser.mPackageName)) {
-                iterator.remove();
-            }
-        }
-
-        if (Process.myUserHandle().equals(packageUser.mUser)
-                && mContext.getPackageName().equals(packageUser.mPackageName)) {
-            providers.addAll(getCustomWidgets());
-        }
-        return providers;
-    }
-
-    @Override
-    public boolean bindAppWidgetIdIfAllowed(int appWidgetId, AppWidgetProviderInfo info,
-            Bundle options) {
-        if (WidgetsModel.GO_DISABLE_WIDGETS) {
-            return false;
-        }
-        if (appWidgetId <= LauncherAppWidgetInfo.CUSTOM_WIDGET_ID) {
-            return true;
-        }
-        return mAppWidgetManager.bindAppWidgetIdIfAllowed(
-                appWidgetId, info.getProfile(), info.provider, options);
-    }
-
-    @Override
-    public LauncherAppWidgetProviderInfo findProvider(ComponentName provider, UserHandle user) {
-        if (WidgetsModel.GO_DISABLE_WIDGETS) {
-            return null;
-        }
-        for (AppWidgetProviderInfo info :
-                getAllProviders(new PackageUserKey(provider.getPackageName(), user))) {
-            if (info.provider.equals(provider)) {
-                return LauncherAppWidgetProviderInfo.fromProviderInfo(mContext, info);
-            }
-        }
-
-        if (Process.myUserHandle().equals(user)) {
-            for (LauncherAppWidgetProviderInfo info : getCustomWidgets()) {
-                if (info.provider.equals(provider)) {
-                    return info;
-                }
-            }
-        }
-        return null;
-    }
-
-    @Override
-    public HashMap<ComponentKey, AppWidgetProviderInfo> getAllProvidersMap() {
-        HashMap<ComponentKey, AppWidgetProviderInfo> result = new HashMap<>();
-        if (WidgetsModel.GO_DISABLE_WIDGETS) {
-            return result;
-        }
-        for (UserHandle user : mUserManager.getUserProfiles()) {
-            for (AppWidgetProviderInfo info :
-                    mAppWidgetManager.getInstalledProvidersForProfile(user)) {
-                result.put(new ComponentKey(info.provider, user), info);
-            }
-        }
-        for (LauncherAppWidgetProviderInfo info : getCustomWidgets()) {
-            result.put(new ComponentKey(info.provider, info.getProfile()), info);
-        }
-        return result;
-    }
-
-    List<CustomAppWidgetProviderInfo> getCustomWidgets() {
-        return CustomWidgetManager.INSTANCE.get(mContext).getCustomWidgets();
-    }
-}
diff --git a/src/com/android/launcher3/compat/AppWidgetManagerCompatVO.java b/src/com/android/launcher3/compat/AppWidgetManagerCompatVO.java
deleted file mode 100644
index 2814afc..0000000
--- a/src/com/android/launcher3/compat/AppWidgetManagerCompatVO.java
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * Copyright (C) 2017 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.compat;
-
-import android.appwidget.AppWidgetProviderInfo;
-import android.content.Context;
-
-import androidx.annotation.Nullable;
-
-import com.android.launcher3.model.WidgetsModel;
-import com.android.launcher3.util.PackageUserKey;
-
-import java.util.Collections;
-import java.util.List;
-
-class AppWidgetManagerCompatVO extends AppWidgetManagerCompatVL {
-
-    AppWidgetManagerCompatVO(Context context) {
-        super(context);
-    }
-
-    @Override
-    public List<AppWidgetProviderInfo> getAllProviders(@Nullable PackageUserKey packageUser) {
-        if (WidgetsModel.GO_DISABLE_WIDGETS) {
-            return Collections.emptyList();
-        }
-        if (packageUser == null) {
-            return super.getAllProviders(null);
-        }
-        return mAppWidgetManager.getInstalledProvidersForPackage(packageUser.mPackageName,
-                packageUser.mUser);
-    }
-}
diff --git a/src/com/android/launcher3/compat/UserManagerCompat.java b/src/com/android/launcher3/compat/UserManagerCompat.java
deleted file mode 100644
index 2c0088e..0000000
--- a/src/com/android/launcher3/compat/UserManagerCompat.java
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * Copyright (C) 2014 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.compat;
-
-import android.content.Context;
-import android.os.UserHandle;
-
-import com.android.launcher3.Utilities;
-
-import java.util.List;
-
-public abstract class UserManagerCompat {
-    protected UserManagerCompat() {
-    }
-
-    private static final Object sInstanceLock = new Object();
-    private static UserManagerCompat sInstance;
-
-    public static UserManagerCompat getInstance(Context context) {
-        synchronized (sInstanceLock) {
-            if (sInstance == null) {
-                if (Utilities.ATLEAST_P) {
-                    sInstance = new UserManagerCompatVP(context.getApplicationContext());
-                } else {
-                    sInstance = new UserManagerCompatVNMr1(context.getApplicationContext());
-                }
-            }
-            return sInstance;
-        }
-    }
-
-    /**
-     * Creates a cache for users.
-     */
-    public abstract void enableAndResetCache();
-
-    public abstract List<UserHandle> getUserProfiles();
-    public abstract long getSerialNumberForUser(UserHandle user);
-    public abstract UserHandle getUserForSerialNumber(long serialNumber);
-    public abstract boolean isQuietModeEnabled(UserHandle user);
-    public abstract boolean isUserUnlocked(UserHandle user);
-
-    public abstract boolean isDemoUser();
-    public abstract boolean requestQuietModeEnabled(boolean enableQuietMode, UserHandle user);
-    public abstract boolean isAnyProfileQuietModeEnabled();
-
-    public abstract boolean hasWorkProfile();
-}
diff --git a/src/com/android/launcher3/compat/UserManagerCompatVNMr1.java b/src/com/android/launcher3/compat/UserManagerCompatVNMr1.java
deleted file mode 100644
index 18d9053..0000000
--- a/src/com/android/launcher3/compat/UserManagerCompatVNMr1.java
+++ /dev/null
@@ -1,138 +0,0 @@
-/*
- * Copyright (C) 2016 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.compat;
-
-import android.annotation.TargetApi;
-import android.content.Context;
-import android.os.Build;
-import android.os.Process;
-import android.os.UserHandle;
-import android.os.UserManager;
-import android.util.ArrayMap;
-import android.util.LongSparseArray;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-
-@TargetApi(Build.VERSION_CODES.N_MR1)
-public class UserManagerCompatVNMr1 extends UserManagerCompat {
-
-    protected final UserManager mUserManager;
-
-    protected LongSparseArray<UserHandle> mUsers;
-    // Create a separate reverse map as LongSparseArray.indexOfValue checks if objects are same
-    // and not {@link Object#equals}
-    protected ArrayMap<UserHandle, Long> mUserToSerialMap;
-
-    UserManagerCompatVNMr1(Context context) {
-        mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
-    }
-
-    @Override
-    public boolean isQuietModeEnabled(UserHandle user) {
-        return mUserManager.isQuietModeEnabled(user);
-    }
-
-    @Override
-    public boolean isUserUnlocked(UserHandle user) {
-        return mUserManager.isUserUnlocked(user);
-    }
-
-    @Override
-    public boolean isAnyProfileQuietModeEnabled() {
-        List<UserHandle> userProfiles = getUserProfiles();
-        for (UserHandle userProfile : userProfiles) {
-            if (Process.myUserHandle().equals(userProfile)) {
-                continue;
-            }
-            if (isQuietModeEnabled(userProfile)) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    @Override
-    public long getSerialNumberForUser(UserHandle user) {
-        synchronized (this) {
-            if (mUserToSerialMap != null) {
-                Long serial = mUserToSerialMap.get(user);
-                return serial == null ? 0 : serial;
-            }
-        }
-        return mUserManager.getSerialNumberForUser(user);
-    }
-
-    @Override
-    public UserHandle getUserForSerialNumber(long serialNumber) {
-        synchronized (this) {
-            if (mUsers != null) {
-                return mUsers.get(serialNumber);
-            }
-        }
-        return mUserManager.getUserForSerialNumber(serialNumber);
-    }
-
-    @Override
-    public boolean isDemoUser() {
-        return mUserManager.isDemoUser();
-    }
-
-    @Override
-    public boolean requestQuietModeEnabled(boolean enableQuietMode, UserHandle user) {
-        return false;
-    }
-
-    @Override
-    public void enableAndResetCache() {
-        synchronized (this) {
-            mUsers = new LongSparseArray<>();
-            mUserToSerialMap = new ArrayMap<>();
-            List<UserHandle> users = mUserManager.getUserProfiles();
-            if (users != null) {
-                for (UserHandle user : users) {
-                    long serial = mUserManager.getSerialNumberForUser(user);
-                    mUsers.put(serial, user);
-                    mUserToSerialMap.put(user, serial);
-                }
-            }
-        }
-    }
-
-    @Override
-    public List<UserHandle> getUserProfiles() {
-        synchronized (this) {
-            if (mUsers != null) {
-                return new ArrayList<>(mUserToSerialMap.keySet());
-            }
-        }
-
-        List<UserHandle> users = mUserManager.getUserProfiles();
-        return users == null ? Collections.<UserHandle>emptyList() : users;
-    }
-
-    @Override
-    public boolean hasWorkProfile() {
-        synchronized (this) {
-            if (mUsers != null) {
-                return mUsers.size() > 1;
-            }
-        }
-        return getUserProfiles().size() > 1;
-    }
-}
diff --git a/src/com/android/launcher3/compat/UserManagerCompatVP.java b/src/com/android/launcher3/compat/UserManagerCompatVP.java
deleted file mode 100644
index fa3902b..0000000
--- a/src/com/android/launcher3/compat/UserManagerCompatVP.java
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.launcher3.compat;
-
-import android.annotation.TargetApi;
-import android.content.Context;
-import android.os.Build;
-import android.os.UserHandle;
-
-@TargetApi(Build.VERSION_CODES.P)
-public class UserManagerCompatVP extends UserManagerCompatVNMr1 {
-
-    UserManagerCompatVP(Context context) {
-        super(context);
-    }
-
-    @Override
-    public boolean requestQuietModeEnabled(boolean enableQuietMode, UserHandle user) {
-        return mUserManager.requestQuietModeEnabled(enableQuietMode, user);
-    }
-}
diff --git a/src/com/android/launcher3/dragndrop/AddItemActivity.java b/src/com/android/launcher3/dragndrop/AddItemActivity.java
index 1b0567f..6c40b8a 100644
--- a/src/com/android/launcher3/dragndrop/AddItemActivity.java
+++ b/src/com/android/launcher3/dragndrop/AddItemActivity.java
@@ -50,7 +50,6 @@
 import com.android.launcher3.LauncherAppWidgetHost;
 import com.android.launcher3.LauncherAppWidgetProviderInfo;
 import com.android.launcher3.R;
-import com.android.launcher3.compat.AppWidgetManagerCompat;
 import com.android.launcher3.model.WidgetItem;
 import com.android.launcher3.pm.PinRequestHelper;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Action;
@@ -61,6 +60,7 @@
 import com.android.launcher3.widget.PendingAddWidgetInfo;
 import com.android.launcher3.widget.WidgetHostViewLoader;
 import com.android.launcher3.widget.WidgetImageView;
+import com.android.launcher3.widget.WidgetManagerHelper;
 
 import java.util.function.Supplier;
 
@@ -82,7 +82,7 @@
 
     // Widget request specific options.
     private LauncherAppWidgetHost mAppWidgetHost;
-    private AppWidgetManagerCompat mAppWidgetManager;
+    private WidgetManagerHelper mAppWidgetManager;
     private int mPendingBindWidgetId;
     private Bundle mWidgetOptions;
 
@@ -209,7 +209,7 @@
         }
         mWidgetCell.setPreview(PinItemDragListener.getPreview(mRequest));
 
-        mAppWidgetManager = AppWidgetManagerCompat.getInstance(this);
+        mAppWidgetManager = new WidgetManagerHelper(this);
         mAppWidgetHost = new LauncherAppWidgetHost(this);
 
         PendingAddWidgetInfo pendingInfo = new PendingAddWidgetInfo(widgetInfo);
diff --git a/src/com/android/launcher3/folder/FolderPreviewItemAnim.java b/src/com/android/launcher3/folder/FolderPreviewItemAnim.java
index 1e56f7d..22f7333 100644
--- a/src/com/android/launcher3/folder/FolderPreviewItemAnim.java
+++ b/src/com/android/launcher3/folder/FolderPreviewItemAnim.java
@@ -44,7 +44,8 @@
                 }
             };
 
-    private static PreviewItemDrawingParams sTmpParams = new PreviewItemDrawingParams(0, 0, 0, 0);
+    private static final PreviewItemDrawingParams sTmpParams =
+            new PreviewItemDrawingParams(0, 0, 0, 0);
     private static final float[] sTempParamsArray = new float[3];
 
     private final ObjectAnimator mAnimator;
diff --git a/src/com/android/launcher3/graphics/RotationMode.java b/src/com/android/launcher3/graphics/RotationMode.java
index b06305f..6dd356a 100644
--- a/src/com/android/launcher3/graphics/RotationMode.java
+++ b/src/com/android/launcher3/graphics/RotationMode.java
@@ -20,7 +20,7 @@
 
 public abstract class RotationMode {
 
-    public static RotationMode NORMAL = new RotationMode(0) { };
+    public static final RotationMode NORMAL = new RotationMode(0) { };
 
     public final float surfaceRotation;
     public final boolean isTransposed;
diff --git a/src/com/android/launcher3/graphics/Scrim.java b/src/com/android/launcher3/graphics/Scrim.java
index 5c14f8d..67b2b6d 100644
--- a/src/com/android/launcher3/graphics/Scrim.java
+++ b/src/com/android/launcher3/graphics/Scrim.java
@@ -31,7 +31,7 @@
 public class Scrim implements View.OnAttachStateChangeListener,
         WallpaperColorInfo.OnChangeListener {
 
-    public static Property<Scrim, Float> SCRIM_PROGRESS =
+    public static final Property<Scrim, Float> SCRIM_PROGRESS =
             new Property<Scrim, Float>(Float.TYPE, "scrimProgress") {
                 @Override
                 public Float get(Scrim scrim) {
@@ -55,7 +55,7 @@
     public Scrim(View view) {
         mRoot = view;
         mLauncher = Launcher.getLauncher(view.getContext());
-        mWallpaperColorInfo = WallpaperColorInfo.getInstance(mLauncher);
+        mWallpaperColorInfo = WallpaperColorInfo.INSTANCE.get(mLauncher);
 
         view.addOnAttachStateChangeListener(this);
     }
diff --git a/src/com/android/launcher3/graphics/WorkspaceAndHotseatScrim.java b/src/com/android/launcher3/graphics/WorkspaceAndHotseatScrim.java
index 6740fa1..8020f15 100644
--- a/src/com/android/launcher3/graphics/WorkspaceAndHotseatScrim.java
+++ b/src/com/android/launcher3/graphics/WorkspaceAndHotseatScrim.java
@@ -54,7 +54,7 @@
  */
 public class WorkspaceAndHotseatScrim extends Scrim {
 
-    public static Property<WorkspaceAndHotseatScrim, Float> SYSUI_PROGRESS =
+    public static final Property<WorkspaceAndHotseatScrim, Float> SYSUI_PROGRESS =
             new Property<WorkspaceAndHotseatScrim, Float>(Float.TYPE, "sysUiProgress") {
                 @Override
                 public Float get(WorkspaceAndHotseatScrim scrim) {
@@ -67,7 +67,7 @@
                 }
             };
 
-    private static Property<WorkspaceAndHotseatScrim, Float> SYSUI_ANIM_MULTIPLIER =
+    private static final Property<WorkspaceAndHotseatScrim, Float> SYSUI_ANIM_MULTIPLIER =
             new Property<WorkspaceAndHotseatScrim, Float>(Float.TYPE, "sysUiAnimMultiplier") {
                 @Override
                 public Float get(WorkspaceAndHotseatScrim scrim) {
diff --git a/src/com/android/launcher3/icons/IconCache.java b/src/com/android/launcher3/icons/IconCache.java
index 4ac6ff4..69b8125 100644
--- a/src/com/android/launcher3/icons/IconCache.java
+++ b/src/com/android/launcher3/icons/IconCache.java
@@ -43,13 +43,13 @@
 import com.android.launcher3.LauncherFiles;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.WorkspaceItemInfo;
-import com.android.launcher3.compat.UserManagerCompat;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.icons.ComponentWithLabel.ComponentCachingLogic;
 import com.android.launcher3.icons.cache.BaseIconCache;
 import com.android.launcher3.icons.cache.CachingLogic;
 import com.android.launcher3.icons.cache.HandlerRunnable;
 import com.android.launcher3.model.PackageItemInfo;
+import com.android.launcher3.pm.UserCache;
 import com.android.launcher3.shortcuts.ShortcutKey;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.InstantAppResolver;
@@ -70,7 +70,7 @@
     private final CachingLogic<ShortcutInfo> mShortcutCachingLogic;
 
     private final LauncherApps mLauncherApps;
-    private final UserManagerCompat mUserManager;
+    private final UserCache mUserManager;
     private final InstantAppResolver mInstantAppResolver;
     private final IconProvider mIconProvider;
 
@@ -83,7 +83,7 @@
         mLauncherActivityInfoCachingLogic = LauncherActivityCachingLogic.newInstance(context);
         mShortcutCachingLogic = new ShortcutCachingLogic();
         mLauncherApps = mContext.getSystemService(LauncherApps.class);
-        mUserManager = UserManagerCompat.getInstance(mContext);
+        mUserManager = UserCache.INSTANCE.get(mContext);
         mInstantAppResolver = InstantAppResolver.newInstance(mContext);
         mIconProvider = new IconProvider(context);
     }
diff --git a/src/com/android/launcher3/icons/IconProvider.java b/src/com/android/launcher3/icons/IconProvider.java
index 26b7eae..1468b27 100644
--- a/src/com/android/launcher3/icons/IconProvider.java
+++ b/src/com/android/launcher3/icons/IconProvider.java
@@ -34,8 +34,8 @@
 import android.util.Log;
 
 import com.android.launcher3.R;
-import com.android.launcher3.compat.UserManagerCompat;
 import com.android.launcher3.icons.BitmapInfo.Extender;
+import com.android.launcher3.pm.UserCache;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.SafeCloseable;
 
@@ -235,7 +235,7 @@
             ComponentName calendar =
                     parseComponentOrNull(context, R.string.calendar_component_name);
             if (calendar != null) {
-                for (UserHandle user : UserManagerCompat.getInstance(context).getUserProfiles()) {
+                for (UserHandle user : UserCache.INSTANCE.get(context).getUserProfiles()) {
                     mCallback.accept(calendar.getPackageName(), user);
                 }
             }
diff --git a/src/com/android/launcher3/model/AddWorkspaceItemsTask.java b/src/com/android/launcher3/model/AddWorkspaceItemsTask.java
index fa0fe1b..eb95395 100644
--- a/src/com/android/launcher3/model/AddWorkspaceItemsTask.java
+++ b/src/com/android/launcher3/model/AddWorkspaceItemsTask.java
@@ -33,7 +33,7 @@
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.WorkspaceItemInfo;
 import com.android.launcher3.model.BgDataModel.Callbacks;
-import com.android.launcher3.pm.PackageInstallerCompat;
+import com.android.launcher3.pm.InstallSessionHelper;
 import com.android.launcher3.util.GridOccupancy;
 import com.android.launcher3.util.IntArray;
 import com.android.launcher3.util.PackageManagerHelper;
@@ -93,8 +93,8 @@
                 }
             }
 
-            PackageInstallerCompat packageInstaller =
-                    PackageInstallerCompat.getInstance(app.getContext());
+            InstallSessionHelper packageInstaller =
+                    InstallSessionHelper.INSTANCE.get(app.getContext());
             LauncherApps launcherApps = app.getContext().getSystemService(LauncherApps.class);
 
             for (ItemInfo item : filteredItems) {
diff --git a/src/com/android/launcher3/model/GridBackupTable.java b/src/com/android/launcher3/model/GridBackupTable.java
index 804a040..11d4edd 100644
--- a/src/com/android/launcher3/model/GridBackupTable.java
+++ b/src/com/android/launcher3/model/GridBackupTable.java
@@ -29,7 +29,7 @@
 
 import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.LauncherSettings.Settings;
-import com.android.launcher3.compat.UserManagerCompat;
+import com.android.launcher3.pm.UserCache;
 
 /**
  * Helper class to backup and restore Favorites table into a separate table
@@ -94,7 +94,7 @@
     }
 
     private void copyTable(String from, String to) {
-        long userSerial = UserManagerCompat.getInstance(mContext).getSerialNumberForUser(
+        long userSerial = UserCache.INSTANCE.get(mContext).getSerialNumberForUser(
                 Process.myUserHandle());
         dropTable(mDb, to);
         Favorites.addTableToDb(mDb, userSerial, false, to);
diff --git a/src/com/android/launcher3/model/GridSizeMigrationTask.java b/src/com/android/launcher3/model/GridSizeMigrationTask.java
index ac44b0e..c35c4b9 100644
--- a/src/com/android/launcher3/model/GridSizeMigrationTask.java
+++ b/src/com/android/launcher3/model/GridSizeMigrationTask.java
@@ -28,14 +28,14 @@
 import com.android.launcher3.LauncherSettings.Settings;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.Workspace;
-import com.android.launcher3.compat.AppWidgetManagerCompat;
 import com.android.launcher3.config.FeatureFlags;
-import com.android.launcher3.pm.PackageInstallerCompat;
+import com.android.launcher3.pm.InstallSessionHelper;
 import com.android.launcher3.provider.LauncherDbUtils;
 import com.android.launcher3.provider.LauncherDbUtils.SQLiteTransaction;
 import com.android.launcher3.util.GridOccupancy;
 import com.android.launcher3.util.IntArray;
 import com.android.launcher3.util.IntSparseArrayMap;
+import com.android.launcher3.widget.WidgetManagerHelper;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -692,6 +692,7 @@
         final int indexAppWidgetId = c.getColumnIndexOrThrow(Favorites.APPWIDGET_ID);
 
         ArrayList<DbEntry> entries = new ArrayList<>();
+        WidgetManagerHelper widgetManagerHelper = new WidgetManagerHelper(mContext);
         while (c.moveToNext()) {
             DbEntry entry = new DbEntry();
             entry.id = c.getInt(indexId);
@@ -721,8 +722,8 @@
                                 * entry.spanX * entry.spanY);
 
                         int widgetId = c.getInt(indexAppWidgetId);
-                        LauncherAppWidgetProviderInfo pInfo = AppWidgetManagerCompat.getInstance(
-                                mContext).getLauncherAppWidgetInfo(widgetId);
+                        LauncherAppWidgetProviderInfo pInfo =
+                                widgetManagerHelper.getLauncherAppWidgetInfo(widgetId);
                         Point spans = null;
                         if (pInfo != null) {
                             spans = pInfo.getMinSpans();
@@ -970,7 +971,7 @@
                 .getInstalledPackages(PackageManager.GET_UNINSTALLED_PACKAGES)) {
             validPackages.add(info.packageName);
         }
-        PackageInstallerCompat.getInstance(context)
+        InstallSessionHelper.INSTANCE.get(context)
                 .getActiveSessions().keySet()
                 .forEach(packageUserKey -> validPackages.add(packageUserKey.mPackageName));
         return validPackages;
diff --git a/src/com/android/launcher3/model/LoaderTask.java b/src/com/android/launcher3/model/LoaderTask.java
index cc994df..605bb75 100644
--- a/src/com/android/launcher3/model/LoaderTask.java
+++ b/src/com/android/launcher3/model/LoaderTask.java
@@ -36,6 +36,7 @@
 import android.content.pm.ShortcutInfo;
 import android.os.Process;
 import android.os.UserHandle;
+import android.os.UserManager;
 import android.text.TextUtils;
 import android.util.Log;
 import android.util.LongSparseArray;
@@ -55,8 +56,6 @@
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.WorkspaceItemInfo;
-import com.android.launcher3.compat.AppWidgetManagerCompat;
-import com.android.launcher3.compat.UserManagerCompat;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.folder.Folder;
 import com.android.launcher3.folder.FolderGridOrganizer;
@@ -68,8 +67,9 @@
 import com.android.launcher3.icons.ShortcutCachingLogic;
 import com.android.launcher3.icons.cache.IconCacheUpdateHandler;
 import com.android.launcher3.logging.FileLog;
+import com.android.launcher3.pm.InstallSessionHelper;
 import com.android.launcher3.pm.PackageInstallInfo;
-import com.android.launcher3.pm.PackageInstallerCompat;
+import com.android.launcher3.pm.UserCache;
 import com.android.launcher3.provider.ImportDataTask;
 import com.android.launcher3.qsb.QsbContainerView;
 import com.android.launcher3.shortcuts.DeepShortcutManager;
@@ -81,6 +81,7 @@
 import com.android.launcher3.util.PackageManagerHelper;
 import com.android.launcher3.util.PackageUserKey;
 import com.android.launcher3.util.TraceHelper;
+import com.android.launcher3.widget.WidgetManagerHelper;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -110,10 +111,11 @@
     private final LoaderResults mResults;
 
     private final LauncherApps mLauncherApps;
-    private final UserManagerCompat mUserManager;
+    private final UserManager mUserManager;
+    private final UserCache mUserCache;
+
     private final DeepShortcutManager mShortcutManager;
-    private final PackageInstallerCompat mPackageInstaller;
-    private final AppWidgetManagerCompat mAppWidgetManager;
+    private final InstallSessionHelper mSessionHelper;
     private final IconCache mIconCache;
 
     private boolean mStopped;
@@ -126,10 +128,10 @@
         mResults = results;
 
         mLauncherApps = mApp.getContext().getSystemService(LauncherApps.class);
-        mUserManager = UserManagerCompat.getInstance(mApp.getContext());
+        mUserManager = mApp.getContext().getSystemService(UserManager.class);
+        mUserCache = UserCache.INSTANCE.get(mApp.getContext());
         mShortcutManager = DeepShortcutManager.getInstance(mApp.getContext());
-        mPackageInstaller = PackageInstallerCompat.getInstance(mApp.getContext());
-        mAppWidgetManager = AppWidgetManagerCompat.getInstance(mApp.getContext());
+        mSessionHelper = InstallSessionHelper.INSTANCE.get(mApp.getContext());
         mIconCache = mApp.getIconCache();
     }
 
@@ -309,7 +311,7 @@
             mBgDataModel.clear();
 
             final HashMap<PackageUserKey, SessionInfo> installingPkgs =
-                    mPackageInstaller.getActiveSessions();
+                    mSessionHelper.getActiveSessions();
             installingPkgs.forEach(mApp.getIconCache()::updateSessionCache);
 
             final PackageUserKey tempPackageKey = new PackageUserKey(null, null);
@@ -319,7 +321,7 @@
             final LoaderCursor c = new LoaderCursor(contentResolver.query(
                     LauncherSettings.Favorites.CONTENT_URI, null, null, null, null), mApp);
 
-            HashMap<ComponentKey, AppWidgetProviderInfo> widgetProvidersMap = null;
+            Map<ComponentKey, AppWidgetProviderInfo> widgetProvidersMap = null;
 
             try {
                 final int appWidgetIdIndex = c.getColumnIndexOrThrow(
@@ -338,8 +340,8 @@
                 final LongSparseArray<UserHandle> allUsers = c.allUsers;
                 final LongSparseArray<Boolean> quietMode = new LongSparseArray<>();
                 final LongSparseArray<Boolean> unlockedUsers = new LongSparseArray<>();
-                for (UserHandle user : mUserManager.getUserProfiles()) {
-                    long serialNo = mUserManager.getSerialNumberForUser(user);
+                for (UserHandle user : mUserCache.getUserProfiles()) {
+                    long serialNo = mUserCache.getSerialNumberForUser(user);
                     allUsers.put(serialNo, user);
                     quietMode.put(serialNo, mUserManager.isQuietModeEnabled(user));
 
@@ -634,7 +636,7 @@
                                     LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY);
 
                             if (widgetProvidersMap == null) {
-                                widgetProvidersMap = mAppWidgetManager.getAllProvidersMap();
+                                widgetProvidersMap = WidgetManagerHelper.getAllProvidersMap(context);
                             }
                             final AppWidgetProviderInfo provider = widgetProvidersMap.get(
                                     new ComponentKey(component, c.user));
@@ -844,7 +846,7 @@
     }
 
     private List<LauncherActivityInfo> loadAllApps() {
-        final List<UserHandle> profiles = mUserManager.getUserProfiles();
+        final List<UserHandle> profiles = mUserCache.getUserProfiles();
         List<LauncherActivityInfo> allActivityList = new ArrayList<>();
         // Clear the list of apps
         mBgAllAppsList.clear();
@@ -869,7 +871,7 @@
         if (FeatureFlags.PROMISE_APPS_IN_ALL_APPS.get()) {
             // get all active sessions and add them to the all apps list
             for (PackageInstaller.SessionInfo info :
-                    mPackageInstaller.getAllVerifiedSessions()) {
+                    mSessionHelper.getAllVerifiedSessions()) {
                 mBgAllAppsList.addPromiseApp(mApp.getContext(),
                         PackageInstallInfo.fromInstallingState(info));
             }
@@ -884,7 +886,7 @@
         mBgDataModel.deepShortcutMap.clear();
         mBgDataModel.hasShortcutHostPermission = mShortcutManager.hasHostPermission();
         if (mBgDataModel.hasShortcutHostPermission) {
-            for (UserHandle user : mUserManager.getUserProfiles()) {
+            for (UserHandle user : mUserCache.getUserProfiles()) {
                 if (mUserManager.isUserUnlocked(user)) {
                     List<ShortcutInfo> shortcuts =
                             mShortcutManager.queryForAllShortcuts(user);
diff --git a/src/com/android/launcher3/model/PackageUpdatedTask.java b/src/com/android/launcher3/model/PackageUpdatedTask.java
index 1e614bd..3361ff0 100644
--- a/src/com/android/launcher3/model/PackageUpdatedTask.java
+++ b/src/com/android/launcher3/model/PackageUpdatedTask.java
@@ -25,6 +25,7 @@
 import android.content.pm.ShortcutInfo;
 import android.os.Process;
 import android.os.UserHandle;
+import android.os.UserManager;
 import android.util.Log;
 
 import com.android.launcher3.InstallShortcutReceiver;
@@ -35,7 +36,6 @@
 import com.android.launcher3.SessionCommitReceiver;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.WorkspaceItemInfo;
-import com.android.launcher3.compat.UserManagerCompat;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.icons.BitmapInfo;
 import com.android.launcher3.icons.IconCache;
@@ -155,7 +155,7 @@
                 appsList.updateDisabledFlags(matcher, flagOp);
                 break;
             case OP_USER_AVAILABILITY_CHANGE:
-                flagOp = UserManagerCompat.getInstance(context).isQuietModeEnabled(mUser)
+                flagOp = context.getSystemService(UserManager.class).isQuietModeEnabled(mUser)
                         ? FlagOp.addFlag(WorkspaceItemInfo.FLAG_DISABLED_QUIET_USER)
                         : FlagOp.removeFlag(WorkspaceItemInfo.FLAG_DISABLED_QUIET_USER);
                 // We want to update all packages for this user.
diff --git a/src/com/android/launcher3/model/UserLockStateChangedTask.java b/src/com/android/launcher3/model/UserLockStateChangedTask.java
index db1c307..694ae1a 100644
--- a/src/com/android/launcher3/model/UserLockStateChangedTask.java
+++ b/src/com/android/launcher3/model/UserLockStateChangedTask.java
@@ -20,12 +20,12 @@
 import android.content.Context;
 import android.content.pm.ShortcutInfo;
 import android.os.UserHandle;
+import android.os.UserManager;
 
 import com.android.launcher3.ItemInfo;
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.WorkspaceItemInfo;
-import com.android.launcher3.compat.UserManagerCompat;
 import com.android.launcher3.icons.LauncherIcons;
 import com.android.launcher3.shortcuts.DeepShortcutManager;
 import com.android.launcher3.shortcuts.ShortcutKey;
@@ -51,7 +51,7 @@
     @Override
     public void execute(LauncherAppState app, BgDataModel dataModel, AllAppsList apps) {
         Context context = app.getContext();
-        boolean isUserUnlocked = UserManagerCompat.getInstance(context).isUserUnlocked(mUser);
+        boolean isUserUnlocked = context.getSystemService(UserManager.class).isUserUnlocked(mUser);
         DeepShortcutManager deepShortcutManager = DeepShortcutManager.getInstance(context);
 
         HashMap<ShortcutKey, ShortcutInfo> pinnedShortcuts = new HashMap<>();
diff --git a/src/com/android/launcher3/model/WidgetItem.java b/src/com/android/launcher3/model/WidgetItem.java
index b442c42..37c089e 100644
--- a/src/com/android/launcher3/model/WidgetItem.java
+++ b/src/com/android/launcher3/model/WidgetItem.java
@@ -2,8 +2,6 @@
 
 import android.content.pm.ActivityInfo;
 import android.content.pm.PackageManager;
-import android.os.Process;
-import android.os.UserHandle;
 
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.LauncherAppWidgetProviderInfo;
@@ -12,17 +10,12 @@
 import com.android.launcher3.pm.ShortcutConfigActivityInfo;
 import com.android.launcher3.util.ComponentKey;
 
-import java.text.Collator;
-
 /**
  * An wrapper over various items displayed in a widget picker,
  * {@link LauncherAppWidgetProviderInfo} & {@link ActivityInfo}. This provides easier access to
  * common attributes like spanX and spanY.
  */
-public class WidgetItem extends ComponentKey implements Comparable<WidgetItem> {
-
-    private static UserHandle sMyUserHandle;
-    private static Collator sCollator;
+public class WidgetItem extends ComponentKey {
 
     public final LauncherAppWidgetProviderInfo widgetInfo;
     public final ShortcutConfigActivityInfo activityInfo;
@@ -50,34 +43,4 @@
         activityInfo = info;
         spanX = spanY = 1;
     }
-
-    @Override
-    public int compareTo(WidgetItem another) {
-        if (sMyUserHandle == null) {
-            // Delay these object creation until required.
-            sMyUserHandle = Process.myUserHandle();
-            sCollator = Collator.getInstance();
-        }
-
-        // Independent of how the labels compare, if only one of the two widget info belongs to
-        // work profile, put that one in the back.
-        boolean thisWorkProfile = !sMyUserHandle.equals(user);
-        boolean otherWorkProfile = !sMyUserHandle.equals(another.user);
-        if (thisWorkProfile ^ otherWorkProfile) {
-            return thisWorkProfile ? 1 : -1;
-        }
-
-        int labelCompare = sCollator.compare(label, another.label);
-        if (labelCompare != 0) {
-            return labelCompare;
-        }
-
-        // If the label is same, put the smaller widget before the larger widget. If the area is
-        // also same, put the widget with smaller height before.
-        int thisArea = spanX * spanY;
-        int otherArea = another.spanX * another.spanY;
-        return thisArea == otherArea
-                ? Integer.compare(spanY, another.spanY)
-                : Integer.compare(thisArea, otherArea);
-    }
 }
diff --git a/src/com/android/launcher3/notification/NotificationMainView.java b/src/com/android/launcher3/notification/NotificationMainView.java
index b67adbb..812268a 100644
--- a/src/com/android/launcher3/notification/NotificationMainView.java
+++ b/src/com/android/launcher3/notification/NotificationMainView.java
@@ -51,7 +51,7 @@
 @TargetApi(Build.VERSION_CODES.N)
 public class NotificationMainView extends FrameLayout implements SingleAxisSwipeDetector.Listener {
 
-    private static FloatProperty<NotificationMainView> CONTENT_TRANSLATION =
+    private static final FloatProperty<NotificationMainView> CONTENT_TRANSLATION =
             new FloatProperty<NotificationMainView>("contentTranslation") {
         @Override
         public void setValue(NotificationMainView view, float v) {
diff --git a/src/com/android/launcher3/pageindicators/WorkspacePageIndicator.java b/src/com/android/launcher3/pageindicators/WorkspacePageIndicator.java
index 654e593..0f2ca72 100644
--- a/src/com/android/launcher3/pageindicators/WorkspacePageIndicator.java
+++ b/src/com/android/launcher3/pageindicators/WorkspacePageIndicator.java
@@ -123,7 +123,7 @@
         mLauncher = Launcher.getLauncher(context);
         mLineHeight = res.getDimensionPixelSize(R.dimen.dynamic_grid_page_indicator_line_height);
 
-        boolean darkText = WallpaperColorInfo.getInstance(context).supportsDarkText();
+        boolean darkText = WallpaperColorInfo.INSTANCE.get(context).supportsDarkText();
         mActiveAlpha = darkText ? BLACK_ALPHA : WHITE_ALPHA;
         mLinePaint.setColor(darkText ? Color.BLACK : Color.WHITE);
     }
diff --git a/src/com/android/launcher3/pm/PackageInstallerCompat.java b/src/com/android/launcher3/pm/InstallSessionHelper.java
similarity index 94%
rename from src/com/android/launcher3/pm/PackageInstallerCompat.java
rename to src/com/android/launcher3/pm/InstallSessionHelper.java
index c7b27d9..186293f 100644
--- a/src/com/android/launcher3/pm/PackageInstallerCompat.java
+++ b/src/com/android/launcher3/pm/InstallSessionHelper.java
@@ -35,6 +35,7 @@
 import com.android.launcher3.util.IntArray;
 import com.android.launcher3.util.IntSet;
 import com.android.launcher3.util.LooperExecutor;
+import com.android.launcher3.util.MainThreadInitializedObject;
 import com.android.launcher3.util.PackageManagerHelper;
 import com.android.launcher3.util.PackageUserKey;
 
@@ -43,15 +44,20 @@
 import java.util.Iterator;
 import java.util.List;
 
-public class PackageInstallerCompat {
+/**
+ * Utility class to tracking install sessions
+ */
+public class InstallSessionHelper {
 
     // Set<String> of session ids of promise icons that have been added to the home screen
     // as FLAG_PROMISE_NEW_INSTALLS.
     protected static final String PROMISE_ICON_IDS = "promise_icon_ids";
 
-    private static final Object sInstanceLock = new Object();
     private static final boolean DEBUG = false;
-    private static PackageInstallerCompat sInstance;
+
+    public static final MainThreadInitializedObject<InstallSessionHelper> INSTANCE =
+            new MainThreadInitializedObject<>(InstallSessionHelper::new);
+
     private final LauncherApps mLauncherApps;
     private final Context mAppContext;
     private final IntSet mPromiseIconIds;
@@ -59,7 +65,7 @@
     private final PackageInstaller mInstaller;
     private final HashMap<String, Boolean> mSessionVerifiedMap = new HashMap<>();
 
-    public PackageInstallerCompat(Context context) {
+    public InstallSessionHelper(Context context) {
         mInstaller = context.getPackageManager().getPackageInstaller();
         mAppContext = context.getApplicationContext();
         mLauncherApps = context.getSystemService(LauncherApps.class);
@@ -70,15 +76,6 @@
         cleanUpPromiseIconIds();
     }
 
-    public static PackageInstallerCompat getInstance(Context context) {
-        synchronized (sInstanceLock) {
-            if (sInstance == null) {
-                sInstance = new PackageInstallerCompat(context);
-            }
-            return sInstance;
-        }
-    }
-
     public static UserHandle getUserHandle(SessionInfo info) {
         return Utilities.ATLEAST_Q ? info.getUser() : Process.myUserHandle();
     }
diff --git a/src/com/android/launcher3/pm/InstallSessionTracker.java b/src/com/android/launcher3/pm/InstallSessionTracker.java
index f157603..eb3ca73 100644
--- a/src/com/android/launcher3/pm/InstallSessionTracker.java
+++ b/src/com/android/launcher3/pm/InstallSessionTracker.java
@@ -15,9 +15,9 @@
  */
 package com.android.launcher3.pm;
 
+import static com.android.launcher3.pm.InstallSessionHelper.getUserHandle;
 import static com.android.launcher3.pm.PackageInstallInfo.STATUS_FAILED;
 import static com.android.launcher3.pm.PackageInstallInfo.STATUS_INSTALLED;
-import static com.android.launcher3.pm.PackageInstallerCompat.getUserHandle;
 
 import android.content.pm.PackageInstaller;
 import android.content.pm.PackageInstaller.SessionInfo;
@@ -31,10 +31,10 @@
     // Lazily initialized
     private SparseArray<PackageUserKey> mActiveSessions = null;
 
-    private final PackageInstallerCompat mInstallerCompat;
+    private final InstallSessionHelper mInstallerCompat;
     private final Callback mCallback;
 
-    InstallSessionTracker(PackageInstallerCompat installerCompat, Callback callback) {
+    InstallSessionTracker(InstallSessionHelper installerCompat, Callback callback) {
         mInstallerCompat = installerCompat;
         mCallback = callback;
     }
diff --git a/src/com/android/launcher3/pm/PackageInstallInfo.java b/src/com/android/launcher3/pm/PackageInstallInfo.java
index 6776ec4..7997d16 100644
--- a/src/com/android/launcher3/pm/PackageInstallInfo.java
+++ b/src/com/android/launcher3/pm/PackageInstallInfo.java
@@ -38,7 +38,7 @@
         this.packageName = info.getAppPackageName();
         this.componentName = new ComponentName(packageName, "");
         this.progress = (int) (info.getProgress() * 100f);
-        this.user = PackageInstallerCompat.getUserHandle(info);
+        this.user = InstallSessionHelper.getUserHandle(info);
     }
 
     public PackageInstallInfo(String packageName, int state, int progress, UserHandle user) {
diff --git a/src/com/android/launcher3/pm/ShortcutConfigActivityInfo.java b/src/com/android/launcher3/pm/ShortcutConfigActivityInfo.java
index 0922e41..b563171 100644
--- a/src/com/android/launcher3/pm/ShortcutConfigActivityInfo.java
+++ b/src/com/android/launcher3/pm/ShortcutConfigActivityInfo.java
@@ -41,7 +41,6 @@
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.WorkspaceItemInfo;
-import com.android.launcher3.compat.UserManagerCompat;
 import com.android.launcher3.icons.ComponentWithLabel;
 import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.util.PackageUserKey;
@@ -179,7 +178,7 @@
             final List<UserHandle> users;
             final String packageName;
             if (packageUser == null) {
-                users = UserManagerCompat.getInstance(context).getUserProfiles();
+                users = UserCache.INSTANCE.get(context).getUserProfiles();
                 packageName = null;
             } else {
                 users = new ArrayList<>(1);
diff --git a/src/com/android/launcher3/pm/UserCache.java b/src/com/android/launcher3/pm/UserCache.java
new file mode 100644
index 0000000..678b647
--- /dev/null
+++ b/src/com/android/launcher3/pm/UserCache.java
@@ -0,0 +1,175 @@
+/*
+ * Copyright (C) 2014 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.pm;
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.Process;
+import android.os.UserHandle;
+import android.os.UserManager;
+import android.util.ArrayMap;
+import android.util.LongSparseArray;
+
+import com.android.launcher3.util.MainThreadInitializedObject;
+import com.android.launcher3.util.SafeCloseable;
+import com.android.launcher3.util.SimpleBroadcastReceiver;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * Class which manages a local cache of user handles to avoid system rpc
+ */
+public class UserCache {
+
+    public static final MainThreadInitializedObject<UserCache> INSTANCE =
+            new MainThreadInitializedObject<>(UserCache::new);
+
+    private final Context mContext;
+    private final UserManager mUserManager;
+    private final ArrayList<Runnable> mUserChangeListeners = new ArrayList<>();
+    private final SimpleBroadcastReceiver mUserChangeReceiver =
+            new SimpleBroadcastReceiver(this::onUsersChanged);
+
+    private LongSparseArray<UserHandle> mUsers;
+    // Create a separate reverse map as LongSparseArray.indexOfValue checks if objects are same
+    // and not {@link Object#equals}
+    private ArrayMap<UserHandle, Long> mUserToSerialMap;
+
+    private UserCache(Context context) {
+        mContext = context;
+        mUserManager = context.getSystemService(UserManager.class);
+    }
+
+    private void onUsersChanged(Intent intent) {
+        enableAndResetCache();
+        mUserChangeListeners.forEach(Runnable::run);
+    }
+
+    /**
+     * Adds a listener for user additions and removals
+     */
+    public SafeCloseable addUserChangeListener(Runnable command) {
+        synchronized (this) {
+            if (mUserChangeListeners.isEmpty()) {
+                // Enable caching and start listening for user broadcast
+                mUserChangeReceiver.register(mContext,
+                        Intent.ACTION_MANAGED_PROFILE_ADDED,
+                        Intent.ACTION_MANAGED_PROFILE_REMOVED);
+                enableAndResetCache();
+            }
+            mUserChangeListeners.add(command);
+            return () -> removeUserChangeListener(command);
+        }
+    }
+
+    private void enableAndResetCache() {
+        synchronized (this) {
+            mUsers = new LongSparseArray<>();
+            mUserToSerialMap = new ArrayMap<>();
+            List<UserHandle> users = mUserManager.getUserProfiles();
+            if (users != null) {
+                for (UserHandle user : users) {
+                    long serial = mUserManager.getSerialNumberForUser(user);
+                    mUsers.put(serial, user);
+                    mUserToSerialMap.put(user, serial);
+                }
+            }
+        }
+    }
+
+    private void removeUserChangeListener(Runnable command) {
+        synchronized (this) {
+            mUserChangeListeners.add(command);
+            if (mUserChangeListeners.isEmpty()) {
+                // Disable cache and stop listening
+                mContext.unregisterReceiver(mUserChangeReceiver);
+
+                mUsers = null;
+                mUserToSerialMap = null;
+            }
+        }
+    }
+
+    /**
+     * Returns true if any user profile has quiet mode enabled.
+     */
+    public boolean isAnyProfileQuietModeEnabled() {
+        List<UserHandle> userProfiles = getUserProfiles();
+        for (UserHandle userProfile : userProfiles) {
+            if (Process.myUserHandle().equals(userProfile)) {
+                continue;
+            }
+            if (mUserManager.isQuietModeEnabled(userProfile)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * @see UserManager#getSerialNumberForUser(UserHandle)
+     */
+    public long getSerialNumberForUser(UserHandle user) {
+        synchronized (this) {
+            if (mUserToSerialMap != null) {
+                Long serial = mUserToSerialMap.get(user);
+                return serial == null ? 0 : serial;
+            }
+        }
+        return mUserManager.getSerialNumberForUser(user);
+    }
+
+    /**
+     * @see UserManager#getUserForSerialNumber(long)
+     */
+    public UserHandle getUserForSerialNumber(long serialNumber) {
+        synchronized (this) {
+            if (mUsers != null) {
+                return mUsers.get(serialNumber);
+            }
+        }
+        return mUserManager.getUserForSerialNumber(serialNumber);
+    }
+
+    /**
+     * @see UserManager#getUserProfiles()
+     */
+    public List<UserHandle> getUserProfiles() {
+        synchronized (this) {
+            if (mUsers != null) {
+                return new ArrayList<>(mUserToSerialMap.keySet());
+            }
+        }
+
+        List<UserHandle> users = mUserManager.getUserProfiles();
+        return users == null ? Collections.emptyList() : users;
+    }
+
+    /**
+     * Returns true is there is at least one user profile enabled
+     */
+    public boolean hasWorkProfile() {
+        synchronized (this) {
+            if (mUsers != null) {
+                return mUsers.size() > 1;
+            }
+        }
+        return getUserProfiles().size() > 1;
+    }
+}
diff --git a/src/com/android/launcher3/popup/SystemShortcut.java b/src/com/android/launcher3/popup/SystemShortcut.java
index 222c6c9..b580bd6 100644
--- a/src/com/android/launcher3/popup/SystemShortcut.java
+++ b/src/com/android/launcher3/popup/SystemShortcut.java
@@ -144,7 +144,7 @@
         }
     }
 
-    public static Factory<BaseDraggingActivity> INSTALL = (activity, itemInfo) -> {
+    public static final Factory<BaseDraggingActivity> INSTALL = (activity, itemInfo) -> {
         boolean supportsWebUI = (itemInfo instanceof WorkspaceItemInfo)
                 && ((WorkspaceItemInfo) itemInfo).hasStatusFlag(
                         WorkspaceItemInfo.FLAG_SUPPORTS_WEB_UI);
@@ -176,7 +176,7 @@
         }
     }
 
-    public static Factory<Launcher> DISMISS_PREDICTION = (launcher, itemInfo) -> {
+    public static final Factory<Launcher> DISMISS_PREDICTION = (launcher, itemInfo) -> {
         if (!FeatureFlags.ENABLE_PREDICTION_DISMISS.get()) return null;
         if (itemInfo.container != LauncherSettings.Favorites.CONTAINER_PREDICTION) return null;
         return new DismissPrediction(launcher, itemInfo);
diff --git a/src/com/android/launcher3/provider/ImportDataTask.java b/src/com/android/launcher3/provider/ImportDataTask.java
index 970a03e..732fb0b 100644
--- a/src/com/android/launcher3/provider/ImportDataTask.java
+++ b/src/com/android/launcher3/provider/ImportDataTask.java
@@ -43,10 +43,10 @@
 import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.LauncherSettings.Settings;
 import com.android.launcher3.Workspace;
-import com.android.launcher3.compat.UserManagerCompat;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.logging.FileLog;
 import com.android.launcher3.model.GridSizeMigrationTask;
+import com.android.launcher3.pm.UserCache;
 import com.android.launcher3.util.IntArray;
 import com.android.launcher3.util.IntSparseArrayMap;
 import com.android.launcher3.util.PackageManagerHelper;
@@ -100,7 +100,7 @@
      * 3) In the end fills any holes in hotseat with items from default hotseat layout.
      */
     private void importWorkspaceItems() throws Exception {
-        String profileId = Long.toString(UserManagerCompat.getInstance(mContext)
+        String profileId = Long.toString(UserCache.INSTANCE.get(mContext)
                 .getSerialNumberForUser(Process.myUserHandle()));
 
         boolean createEmptyRowOnFirstScreen;
diff --git a/src/com/android/launcher3/qsb/QsbContainerView.java b/src/com/android/launcher3/qsb/QsbContainerView.java
index 0eb4285..289e0d8 100644
--- a/src/com/android/launcher3/qsb/QsbContainerView.java
+++ b/src/com/android/launcher3/qsb/QsbContainerView.java
@@ -54,7 +54,7 @@
  * A frame layout which contains a QSB. This internally uses fragment to bind the view, which
  * allows it to contain the logic for {@link Fragment#startActivityForResult(Intent, int)}.
  *
- * Note: AppWidgetManagerCompat can be disabled using FeatureFlags. In QSB, we should use
+ * Note: WidgetManagerHelper can be disabled using FeatureFlags. In QSB, we should use
  * AppWidgetManager directly, so that it keeps working in that case.
  */
 public class QsbContainerView extends FrameLayout {
diff --git a/src/com/android/launcher3/testing/TestProtocol.java b/src/com/android/launcher3/testing/TestProtocol.java
index 832f7f0..5aae841 100644
--- a/src/com/android/launcher3/testing/TestProtocol.java
+++ b/src/com/android/launcher3/testing/TestProtocol.java
@@ -83,6 +83,8 @@
     public static final String REQUEST_ENABLE_DEBUG_TRACING = "enable-debug-tracing";
     public static final String REQUEST_DISABLE_DEBUG_TRACING = "disable-debug-tracing";
 
+    public static final String PERMANENT_DIAG_TAG = "TaplTarget";
+
     public static final String NO_BACKGROUND_TO_OVERVIEW_TAG = "b/138251824";
     public static final String NO_DRAG_TO_WORKSPACE = "b/138729456";
     public static final String APP_NOT_DISABLED = "b/139891609";
diff --git a/src/com/android/launcher3/touch/ItemClickHandler.java b/src/com/android/launcher3/touch/ItemClickHandler.java
index 455af5a..f7ce160 100644
--- a/src/com/android/launcher3/touch/ItemClickHandler.java
+++ b/src/com/android/launcher3/touch/ItemClickHandler.java
@@ -49,14 +49,14 @@
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.WorkspaceItemInfo;
-import com.android.launcher3.compat.AppWidgetManagerCompat;
 import com.android.launcher3.folder.Folder;
 import com.android.launcher3.folder.FolderIcon;
-import com.android.launcher3.pm.PackageInstallerCompat;
+import com.android.launcher3.pm.InstallSessionHelper;
 import com.android.launcher3.util.PackageManagerHelper;
 import com.android.launcher3.views.FloatingIconView;
 import com.android.launcher3.widget.PendingAppWidgetHostView;
 import com.android.launcher3.widget.WidgetAddFlowHandler;
+import com.android.launcher3.widget.WidgetManagerHelper;
 
 /**
  * Class for handling clicks on workspace and all-apps items
@@ -123,8 +123,8 @@
 
         final LauncherAppWidgetInfo info = (LauncherAppWidgetInfo) v.getTag();
         if (v.isReadyForClickSetup()) {
-            LauncherAppWidgetProviderInfo appWidgetInfo = AppWidgetManagerCompat
-                    .getInstance(launcher).findProvider(info.providerName, info.user);
+            LauncherAppWidgetProviderInfo appWidgetInfo = new WidgetManagerHelper(launcher)
+                    .findProvider(info.providerName, info.user);
             if (appWidgetInfo == null) {
                 return;
             }
@@ -169,8 +169,8 @@
     private static void startMarketIntentForPackage(View v, Launcher launcher, String packageName) {
         ItemInfo item = (ItemInfo) v.getTag();
         if (Utilities.ATLEAST_Q) {
-            PackageInstallerCompat pkgInstaller = PackageInstallerCompat.getInstance(launcher);
-            SessionInfo sessionInfo = pkgInstaller.getActiveSessionInfo(item.user, packageName);
+            SessionInfo sessionInfo = InstallSessionHelper.INSTANCE.get(launcher)
+                    .getActiveSessionInfo(item.user, packageName);
             if (sessionInfo != null) {
                 LauncherApps launcherApps = launcher.getSystemService(LauncherApps.class);
                 try {
diff --git a/src/com/android/launcher3/touch/ItemLongClickListener.java b/src/com/android/launcher3/touch/ItemLongClickListener.java
index aa02d0a..ba1bfa5 100644
--- a/src/com/android/launcher3/touch/ItemLongClickListener.java
+++ b/src/com/android/launcher3/touch/ItemLongClickListener.java
@@ -22,7 +22,6 @@
 import static com.android.launcher3.LauncherState.NORMAL;
 import static com.android.launcher3.LauncherState.OVERVIEW;
 
-import android.util.Log;
 import android.view.View;
 import android.view.View.OnLongClickListener;
 
@@ -34,19 +33,16 @@
 import com.android.launcher3.dragndrop.DragController;
 import com.android.launcher3.dragndrop.DragOptions;
 import com.android.launcher3.folder.Folder;
-import com.android.launcher3.testing.TestProtocol;
-
-import java.util.Arrays;
 
 /**
  * Class to handle long-clicks on workspace items and start drag as a result.
  */
 public class ItemLongClickListener {
 
-    public static OnLongClickListener INSTANCE_WORKSPACE =
+    public static final OnLongClickListener INSTANCE_WORKSPACE =
             ItemLongClickListener::onWorkspaceItemLongClick;
 
-    public static OnLongClickListener INSTANCE_ALL_APPS =
+    public static final OnLongClickListener INSTANCE_ALL_APPS =
             ItemLongClickListener::onAllAppsItemLongClick;
 
     private static boolean onWorkspaceItemLongClick(View v) {
diff --git a/src/com/android/launcher3/touch/WorkspaceTouchListener.java b/src/com/android/launcher3/touch/WorkspaceTouchListener.java
index 310d598..66fdc94 100644
--- a/src/com/android/launcher3/touch/WorkspaceTouchListener.java
+++ b/src/com/android/launcher3/touch/WorkspaceTouchListener.java
@@ -25,6 +25,7 @@
 
 import android.graphics.PointF;
 import android.graphics.Rect;
+import android.util.Log;
 import android.view.GestureDetector;
 import android.view.HapticFeedbackConstants;
 import android.view.MotionEvent;
@@ -36,8 +37,10 @@
 import com.android.launcher3.CellLayout;
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Launcher;
+import com.android.launcher3.Utilities;
 import com.android.launcher3.Workspace;
 import com.android.launcher3.dragndrop.DragLayer;
+import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.views.OptionsPopupView;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Action;
 import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
@@ -175,6 +178,9 @@
                 mLauncher.getUserEventDispatcher().logActionOnContainer(Action.Touch.LONGPRESS,
                         Action.Direction.NONE, ContainerType.WORKSPACE,
                         mWorkspace.getCurrentPage());
+                if (Utilities.IS_RUNNING_IN_TEST_HARNESS) {
+                    Log.d(TestProtocol.PERMANENT_DIAG_TAG, "Opening options popup on long press");
+                }
                 OptionsPopupView.showDefaultOptions(mLauncher, mTouchDownPoint.x, mTouchDownPoint.y);
             } else {
                 cancelLongPress();
diff --git a/src/com/android/launcher3/util/ContentWriter.java b/src/com/android/launcher3/util/ContentWriter.java
index 2d64353..30c9ff9 100644
--- a/src/com/android/launcher3/util/ContentWriter.java
+++ b/src/com/android/launcher3/util/ContentWriter.java
@@ -19,15 +19,14 @@
 import android.content.ContentValues;
 import android.content.Context;
 import android.content.Intent;
-import android.graphics.Bitmap;
 import android.net.Uri;
 import android.os.UserHandle;
 
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherSettings;
-import com.android.launcher3.compat.UserManagerCompat;
 import com.android.launcher3.icons.BitmapInfo;
 import com.android.launcher3.icons.GraphicsUtils;
+import com.android.launcher3.pm.UserCache;
 
 /**
  * A wrapper around {@link ContentValues} with some utility methods.
@@ -87,7 +86,7 @@
     }
 
     public ContentWriter put(String key, UserHandle user) {
-        return put(key, UserManagerCompat.getInstance(mContext).getSerialNumberForUser(user));
+        return put(key, UserCache.INSTANCE.get(mContext).getSerialNumberForUser(user));
     }
 
     /**
diff --git a/src/com/android/launcher3/util/PackageManagerHelper.java b/src/com/android/launcher3/util/PackageManagerHelper.java
index 91f687e..2d56ce7 100644
--- a/src/com/android/launcher3/util/PackageManagerHelper.java
+++ b/src/com/android/launcher3/util/PackageManagerHelper.java
@@ -16,6 +16,8 @@
 
 package com.android.launcher3.util;
 
+import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY;
+
 import android.app.AppOpsManager;
 import android.content.ActivityNotFoundException;
 import android.content.ComponentName;
@@ -297,16 +299,13 @@
      */
     public static Pair<String, Resources> findSystemApk(String action, PackageManager pm) {
         final Intent intent = new Intent(action);
-        for (ResolveInfo info : pm.queryBroadcastReceivers(intent, 0)) {
-            if (info.activityInfo != null &&
-                    (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) {
-                final String packageName = info.activityInfo.packageName;
-                try {
-                    final Resources res = pm.getResourcesForApplication(packageName);
-                    return Pair.create(packageName, res);
-                } catch (NameNotFoundException e) {
-                    Log.w(TAG, "Failed to find resources for " + packageName);
-                }
+        for (ResolveInfo info : pm.queryBroadcastReceivers(intent, MATCH_SYSTEM_ONLY)) {
+            final String packageName = info.activityInfo.packageName;
+            try {
+                final Resources res = pm.getResourcesForApplication(packageName);
+                return Pair.create(packageName, res);
+            } catch (NameNotFoundException e) {
+                Log.w(TAG, "Failed to find resources for " + packageName);
             }
         }
         return null;
diff --git a/src/com/android/launcher3/util/Themes.java b/src/com/android/launcher3/util/Themes.java
index 0d02715..da59afe 100644
--- a/src/com/android/launcher3/util/Themes.java
+++ b/src/com/android/launcher3/util/Themes.java
@@ -36,7 +36,7 @@
 public class Themes {
 
     public static int getActivityThemeRes(Context context) {
-        WallpaperColorInfo wallpaperColorInfo = WallpaperColorInfo.getInstance(context);
+        WallpaperColorInfo wallpaperColorInfo = WallpaperColorInfo.INSTANCE.get(context);
         boolean darkTheme;
         if (Utilities.ATLEAST_Q) {
             Configuration configuration = context.getResources().getConfiguration();
diff --git a/src/com/android/launcher3/util/UiThreadHelper.java b/src/com/android/launcher3/util/UiThreadHelper.java
index ec87e79..0498052 100644
--- a/src/com/android/launcher3/util/UiThreadHelper.java
+++ b/src/com/android/launcher3/util/UiThreadHelper.java
@@ -29,26 +29,20 @@
  */
 public class UiThreadHelper {
 
-    private static Handler sHandler;
+    private static final MainThreadInitializedObject<Handler> HANDLER =
+            new MainThreadInitializedObject<>(
+                    c -> new Handler(UI_HELPER_EXECUTOR.getLooper(), new UiCallbacks(c)));
 
     private static final int MSG_HIDE_KEYBOARD = 1;
     private static final int MSG_SET_ORIENTATION = 2;
     private static final int MSG_RUN_COMMAND = 3;
 
-    private static Handler getHandler(Context context) {
-        if (sHandler == null) {
-            sHandler = new Handler(UI_HELPER_EXECUTOR.getLooper(),
-                    new UiCallbacks(context.getApplicationContext()));
-        }
-        return sHandler;
-    }
-
     public static void hideKeyboardAsync(Context context, IBinder token) {
-        Message.obtain(getHandler(context), MSG_HIDE_KEYBOARD, token).sendToTarget();
+        Message.obtain(HANDLER.get(context), MSG_HIDE_KEYBOARD, token).sendToTarget();
     }
 
     public static void setOrientationAsync(Activity activity, int orientation) {
-        Message.obtain(getHandler(activity), MSG_SET_ORIENTATION, orientation, 0, activity)
+        Message.obtain(HANDLER.get(activity), MSG_SET_ORIENTATION, orientation, 0, activity)
                 .sendToTarget();
     }
 
@@ -58,7 +52,7 @@
     }
 
     public static void runAsyncCommand(Context context, AsyncCommand command, int arg1, int arg2) {
-        Message.obtain(getHandler(context), MSG_RUN_COMMAND, arg1, arg2, command).sendToTarget();
+        Message.obtain(HANDLER.get(context), MSG_RUN_COMMAND, arg1, arg2, command).sendToTarget();
     }
 
     private static class UiCallbacks implements Handler.Callback {
diff --git a/src/com/android/launcher3/views/AbstractSlideInView.java b/src/com/android/launcher3/views/AbstractSlideInView.java
index 195a77a..9334c46 100644
--- a/src/com/android/launcher3/views/AbstractSlideInView.java
+++ b/src/com/android/launcher3/views/AbstractSlideInView.java
@@ -41,7 +41,7 @@
 public abstract class AbstractSlideInView extends AbstractFloatingView
         implements SingleAxisSwipeDetector.Listener {
 
-    protected static Property<AbstractSlideInView, Float> TRANSLATION_SHIFT =
+    protected static final Property<AbstractSlideInView, Float> TRANSLATION_SHIFT =
             new Property<AbstractSlideInView, Float>(Float.class, "translationShift") {
 
                 @Override
diff --git a/src/com/android/launcher3/views/ScrimView.java b/src/com/android/launcher3/views/ScrimView.java
index e64b2fb..8ce98f2 100644
--- a/src/com/android/launcher3/views/ScrimView.java
+++ b/src/com/android/launcher3/views/ScrimView.java
@@ -131,7 +131,7 @@
     public ScrimView(Context context, AttributeSet attrs) {
         super(context, attrs);
         mLauncher = Launcher.cast(Launcher.getLauncher(context));
-        mWallpaperColorInfo = WallpaperColorInfo.getInstance(context);
+        mWallpaperColorInfo = WallpaperColorInfo.INSTANCE.get(context);
         mEndScrim = Themes.getAttrColor(context, R.attr.allAppsScrimColor);
 
         mMaxScrimAlpha = 0.7f;
diff --git a/src/com/android/launcher3/widget/BaseWidgetSheet.java b/src/com/android/launcher3/widget/BaseWidgetSheet.java
index 72cddc7..6cae43d 100644
--- a/src/com/android/launcher3/widget/BaseWidgetSheet.java
+++ b/src/com/android/launcher3/widget/BaseWidgetSheet.java
@@ -182,7 +182,7 @@
         View view = new View(context);
         view.forceHasOverlappingRendering(false);
 
-        WallpaperColorInfo colors = WallpaperColorInfo.getInstance(context);
+        WallpaperColorInfo colors = WallpaperColorInfo.INSTANCE.get(context);
         int alpha = context.getResources().getInteger(R.integer.extracted_color_gradient_alpha);
         view.setBackgroundColor(setColorAlphaBound(colors.getSecondaryColor(), alpha));
 
diff --git a/src/com/android/launcher3/widget/WidgetHostViewLoader.java b/src/com/android/launcher3/widget/WidgetHostViewLoader.java
index 8dcdd44..c022374 100644
--- a/src/com/android/launcher3/widget/WidgetHostViewLoader.java
+++ b/src/com/android/launcher3/widget/WidgetHostViewLoader.java
@@ -13,7 +13,6 @@
 import com.android.launcher3.DropTarget;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherAppWidgetProviderInfo;
-import com.android.launcher3.compat.AppWidgetManagerCompat;
 import com.android.launcher3.dragndrop.DragController;
 import com.android.launcher3.dragndrop.DragLayer;
 import com.android.launcher3.dragndrop.DragOptions;
@@ -103,7 +102,7 @@
                 if (LOGD) {
                     Log.d(TAG, "Binding widget, id: " + mWidgetLoadingId);
                 }
-                if(AppWidgetManagerCompat.getInstance(mLauncher).bindAppWidgetIdIfAllowed(
+                if (new WidgetManagerHelper(mLauncher).bindAppWidgetIdIfAllowed(
                         mWidgetLoadingId, pInfo, options)) {
 
                     // Widget id bound. Inflate the widget.
diff --git a/src/com/android/launcher3/widget/WidgetManagerHelper.java b/src/com/android/launcher3/widget/WidgetManagerHelper.java
new file mode 100644
index 0000000..8b08d77
--- /dev/null
+++ b/src/com/android/launcher3/widget/WidgetManagerHelper.java
@@ -0,0 +1,148 @@
+/*
+ * Copyright (C) 2014 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.widget;
+
+import android.annotation.TargetApi;
+import android.appwidget.AppWidgetManager;
+import android.appwidget.AppWidgetProviderInfo;
+import android.content.ComponentName;
+import android.content.Context;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.Process;
+import android.os.UserHandle;
+
+import androidx.annotation.Nullable;
+
+import com.android.launcher3.LauncherAppWidgetInfo;
+import com.android.launcher3.LauncherAppWidgetProviderInfo;
+import com.android.launcher3.Utilities;
+import com.android.launcher3.model.WidgetsModel;
+import com.android.launcher3.pm.UserCache;
+import com.android.launcher3.util.ComponentKey;
+import com.android.launcher3.util.PackageUserKey;
+import com.android.launcher3.widget.custom.CustomWidgetManager;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+/**
+ * Utility class to working with {@link AppWidgetManager}
+ */
+public class WidgetManagerHelper {
+
+    final AppWidgetManager mAppWidgetManager;
+    final Context mContext;
+
+    public WidgetManagerHelper(Context context) {
+        mContext = context;
+        mAppWidgetManager = AppWidgetManager.getInstance(context);
+    }
+
+    /**
+     * @see AppWidgetManager#getAppWidgetInfo(int)
+     */
+    public LauncherAppWidgetProviderInfo getLauncherAppWidgetInfo(int appWidgetId) {
+        if (appWidgetId <= LauncherAppWidgetInfo.CUSTOM_WIDGET_ID) {
+            return CustomWidgetManager.INSTANCE.get(mContext).getWidgetProvider(appWidgetId);
+        }
+        AppWidgetProviderInfo info = mAppWidgetManager.getAppWidgetInfo(appWidgetId);
+        return info == null ? null : LauncherAppWidgetProviderInfo.fromProviderInfo(mContext, info);
+    }
+
+    /**
+     * @see AppWidgetManager#getInstalledProvidersForPackage(String, UserHandle)
+     */
+    @TargetApi(Build.VERSION_CODES.O)
+    public List<AppWidgetProviderInfo> getAllProviders(@Nullable PackageUserKey packageUser) {
+        if (WidgetsModel.GO_DISABLE_WIDGETS) {
+            return Collections.emptyList();
+        }
+
+        if (packageUser == null) {
+            return allWidgetsSteam(mContext).collect(Collectors.toList());
+        }
+
+        if (Utilities.ATLEAST_OREO) {
+            return mAppWidgetManager.getInstalledProvidersForPackage(
+                    packageUser.mPackageName, packageUser.mUser);
+        }
+
+        String pkg = packageUser.mPackageName;
+        return Stream.concat(
+                // Only get providers for the given package/user.
+                mAppWidgetManager.getInstalledProvidersForProfile(packageUser.mUser)
+                        .stream()
+                        .filter(w -> w.provider.equals(pkg)),
+                Process.myUserHandle().equals(packageUser.mUser)
+                        && mContext.getPackageName().equals(pkg)
+                        ? CustomWidgetManager.INSTANCE.get(mContext).stream()
+                        : Stream.empty())
+                .collect(Collectors.toList());
+    }
+
+    /**
+     * @see AppWidgetManager#bindAppWidgetIdIfAllowed(int, UserHandle, ComponentName, Bundle)
+     */
+    public boolean bindAppWidgetIdIfAllowed(int appWidgetId, AppWidgetProviderInfo info,
+            Bundle options) {
+        if (WidgetsModel.GO_DISABLE_WIDGETS) {
+            return false;
+        }
+        if (appWidgetId <= LauncherAppWidgetInfo.CUSTOM_WIDGET_ID) {
+            return true;
+        }
+        return mAppWidgetManager.bindAppWidgetIdIfAllowed(
+                appWidgetId, info.getProfile(), info.provider, options);
+    }
+
+    public LauncherAppWidgetProviderInfo findProvider(ComponentName provider, UserHandle user) {
+        if (WidgetsModel.GO_DISABLE_WIDGETS) {
+            return null;
+        }
+        for (AppWidgetProviderInfo info :
+                getAllProviders(new PackageUserKey(provider.getPackageName(), user))) {
+            if (info.provider.equals(provider)) {
+                return LauncherAppWidgetProviderInfo.fromProviderInfo(mContext, info);
+            }
+        }
+        return null;
+    }
+
+    public static Map<ComponentKey, AppWidgetProviderInfo> getAllProvidersMap(Context context) {
+        if (WidgetsModel.GO_DISABLE_WIDGETS) {
+            return Collections.emptyMap();
+        }
+        return allWidgetsSteam(context).collect(
+                        Collectors.toMap(info -> new ComponentKey(info.provider, info.getProfile()),
+                        Function.identity()));
+    }
+
+    private static Stream<AppWidgetProviderInfo> allWidgetsSteam(Context context) {
+        AppWidgetManager awm = context.getSystemService(AppWidgetManager.class);
+        return Stream.concat(
+                UserCache.INSTANCE.get(context)
+                        .getUserProfiles()
+                        .stream()
+                        .flatMap(u -> awm.getInstalledProvidersForProfile(u).stream()),
+                CustomWidgetManager.INSTANCE.get(context).stream());
+    }
+}
diff --git a/src/com/android/launcher3/widget/WidgetsFullSheet.java b/src/com/android/launcher3/widget/WidgetsFullSheet.java
index 521f511..2a102d2 100644
--- a/src/com/android/launcher3/widget/WidgetsFullSheet.java
+++ b/src/com/android/launcher3/widget/WidgetsFullSheet.java
@@ -15,6 +15,8 @@
  */
 package com.android.launcher3.widget;
 
+import static com.android.launcher3.testing.TestProtocol.NORMAL_STATE_ORDINAL;
+
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
@@ -37,6 +39,7 @@
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherAppWidgetHost.ProviderChangedListener;
 import com.android.launcher3.R;
+import com.android.launcher3.compat.AccessibilityManagerCompat;
 import com.android.launcher3.views.RecyclerViewFastScroller;
 import com.android.launcher3.views.TopRoundedCornerView;
 
@@ -247,4 +250,10 @@
         anim.play(ObjectAnimator.ofFloat(mRecyclerView, ALPHA, 0.5f));
         return anim;
     }
+
+    @Override
+    protected void onCloseComplete() {
+        super.onCloseComplete();
+        AccessibilityManagerCompat.sendStateEventToTest(getContext(), NORMAL_STATE_ORDINAL);
+    }
 }
diff --git a/src/com/android/launcher3/widget/custom/CustomWidgetManager.java b/src/com/android/launcher3/widget/custom/CustomWidgetManager.java
index b3569f2..2aed936 100644
--- a/src/com/android/launcher3/widget/custom/CustomWidgetManager.java
+++ b/src/com/android/launcher3/widget/custom/CustomWidgetManager.java
@@ -41,6 +41,7 @@
 import java.util.ArrayList;
 import java.util.List;
 import java.util.function.Consumer;
+import java.util.stream.Stream;
 
 /**
  * CustomWidgetManager handles custom widgets implemented as a plugin.
@@ -112,11 +113,11 @@
     }
 
     /**
-     * Returns the list of custom widgets.
+     * Returns the stream of custom widgets.
      */
     @NonNull
-    public List<CustomAppWidgetProviderInfo> getCustomWidgets() {
-        return mCustomWidgets;
+    public Stream<CustomAppWidgetProviderInfo> stream() {
+        return mCustomWidgets.stream();
     }
 
     /**
diff --git a/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java b/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java
index b8af8ed..22c0874 100644
--- a/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java
+++ b/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java
@@ -20,7 +20,6 @@
 import com.android.launcher3.LauncherAppWidgetProviderInfo;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.compat.AlphabeticIndexCompat;
-import com.android.launcher3.compat.AppWidgetManagerCompat;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.icons.ComponentWithLabel;
 import com.android.launcher3.icons.IconCache;
@@ -30,6 +29,7 @@
 import com.android.launcher3.util.Preconditions;
 import com.android.launcher3.widget.WidgetItemComparator;
 import com.android.launcher3.widget.WidgetListRowEntry;
+import com.android.launcher3.widget.WidgetManagerHelper;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -96,7 +96,7 @@
             PackageManager pm = app.getContext().getPackageManager();
 
             // Widgets
-            AppWidgetManagerCompat widgetManager = AppWidgetManagerCompat.getInstance(context);
+            WidgetManagerHelper widgetManager = new WidgetManagerHelper(context);
             for (AppWidgetProviderInfo widgetInfo : widgetManager.getAllProviders(packageUser)) {
                 LauncherAppWidgetProviderInfo launcherWidgetInfo =
                         LauncherAppWidgetProviderInfo.fromProviderInfo(context, widgetInfo);
diff --git a/src_ui_overrides/com/android/launcher3/uioverrides/WallpaperColorInfo.java b/src_ui_overrides/com/android/launcher3/uioverrides/WallpaperColorInfo.java
index b05e125..b3aa365 100644
--- a/src_ui_overrides/com/android/launcher3/uioverrides/WallpaperColorInfo.java
+++ b/src_ui_overrides/com/android/launcher3/uioverrides/WallpaperColorInfo.java
@@ -16,18 +16,19 @@
 
 package com.android.launcher3.uioverrides;
 
+import static android.app.WallpaperManager.FLAG_SYSTEM;
+
 import android.content.Context;
 import android.graphics.Color;
 import android.util.Pair;
 
+import com.android.launcher3.uioverrides.dynamicui.ColorExtractionAlgorithm;
 import com.android.launcher3.uioverrides.dynamicui.WallpaperColorsCompat;
 import com.android.launcher3.uioverrides.dynamicui.WallpaperManagerCompat;
-import com.android.launcher3.uioverrides.dynamicui.ColorExtractionAlgorithm;
+import com.android.launcher3.util.MainThreadInitializedObject;
 
 import java.util.ArrayList;
 
-import static android.app.WallpaperManager.FLAG_SYSTEM;
-
 public class WallpaperColorInfo implements WallpaperManagerCompat.OnColorsChangedListenerCompat {
 
     private static final int MAIN_COLOR_LIGHT = 0xffdadce0;
@@ -35,17 +36,9 @@
     private static final int MAIN_COLOR_REGULAR = 0xff000000;
 
     private static final int FALLBACK_COLOR = Color.WHITE;
-    private static final Object sInstanceLock = new Object();
-    private static WallpaperColorInfo sInstance;
 
-    public static WallpaperColorInfo getInstance(Context context) {
-        synchronized (sInstanceLock) {
-            if (sInstance == null) {
-                sInstance = new WallpaperColorInfo(context.getApplicationContext());
-            }
-            return sInstance;
-        }
-    }
+    public static final MainThreadInitializedObject<WallpaperColorInfo> INSTANCE =
+            new MainThreadInitializedObject<>(WallpaperColorInfo::new);
 
     private final ArrayList<OnChangeListener> mListeners = new ArrayList<>();
     private final WallpaperManagerCompat mWallpaperManager;
diff --git a/tests/src/com/android/launcher3/ui/TestViewHelpers.java b/tests/src/com/android/launcher3/ui/TestViewHelpers.java
index d0df664..eceff34 100644
--- a/tests/src/com/android/launcher3/ui/TestViewHelpers.java
+++ b/tests/src/com/android/launcher3/ui/TestViewHelpers.java
@@ -24,12 +24,10 @@
 import android.view.View;
 import android.view.ViewGroup;
 
-import androidx.test.uiautomator.UiDevice;
-
 import com.android.launcher3.LauncherAppWidgetProviderInfo;
-import com.android.launcher3.compat.AppWidgetManagerCompat;
 import com.android.launcher3.testcomponent.AppWidgetNoConfig;
 import com.android.launcher3.testcomponent.AppWidgetWithConfig;
+import com.android.launcher3.widget.WidgetManagerHelper;
 
 import java.util.concurrent.Callable;
 import java.util.function.Function;
@@ -53,7 +51,7 @@
                                 hasConfigureScreen ? AppWidgetWithConfig.class
                                         : AppWidgetNoConfig.class);
                         Log.d(TAG, "findWidgetProvider componentName=" + cn.flattenToString());
-                        return AppWidgetManagerCompat.getInstance(getTargetContext())
+                        return new WidgetManagerHelper(getTargetContext())
                                 .findProvider(cn, Process.myUserHandle());
                     }
                 });
diff --git a/tests/src/com/android/launcher3/ui/widget/BindWidgetTest.java b/tests/src/com/android/launcher3/ui/widget/BindWidgetTest.java
index 3d691da..21a654f 100644
--- a/tests/src/com/android/launcher3/ui/widget/BindWidgetTest.java
+++ b/tests/src/com/android/launcher3/ui/widget/BindWidgetTest.java
@@ -41,13 +41,13 @@
 import com.android.launcher3.LauncherAppWidgetInfo;
 import com.android.launcher3.LauncherAppWidgetProviderInfo;
 import com.android.launcher3.LauncherSettings;
-import com.android.launcher3.compat.AppWidgetManagerCompat;
-import com.android.launcher3.pm.PackageInstallerCompat;
+import com.android.launcher3.pm.InstallSessionHelper;
 import com.android.launcher3.tapl.Workspace;
 import com.android.launcher3.ui.AbstractLauncherUiTest;
 import com.android.launcher3.ui.TestViewHelpers;
 import com.android.launcher3.util.rule.ShellCommandRule;
 import com.android.launcher3.widget.PendingAddWidgetInfo;
+import com.android.launcher3.widget.WidgetManagerHelper;
 
 import org.junit.After;
 import org.junit.Before;
@@ -282,7 +282,7 @@
 
             AppWidgetHost host = new LauncherAppWidgetHost(targetContext);
             int widgetId = host.allocateAppWidgetId();
-            if (!AppWidgetManagerCompat.getInstance(targetContext)
+            if (!new WidgetManagerHelper(targetContext)
                     .bindAppWidgetIdIfAllowed(widgetId, info, options)) {
                 host.deleteAppWidgetId(widgetId);
                 throw new IllegalArgumentException("Unable to bind widget id");
@@ -302,7 +302,7 @@
 
         Set<String> activePackage = getOnUiThread(() -> {
             Set<String> packages = new HashSet<>();
-            PackageInstallerCompat.getInstance(mTargetContext).getActiveSessions()
+            InstallSessionHelper.INSTANCE.get(mTargetContext).getActiveSessions()
                     .keySet().forEach(packageUserKey -> packages.add(packageUserKey.mPackageName));
             return packages;
         });
diff --git a/tests/src/com/android/launcher3/util/rule/TestStabilityRule.java b/tests/src/com/android/launcher3/util/rule/TestStabilityRule.java
index 858cb38..f98957e 100644
--- a/tests/src/com/android/launcher3/util/rule/TestStabilityRule.java
+++ b/tests/src/com/android/launcher3/util/rule/TestStabilityRule.java
@@ -114,21 +114,20 @@
             throw new RuntimeException(e);
         }
 
-        final Matcher launcherBuildMatcher = LAUNCHER_BUILD.matcher(launcherVersion);
+        final String platformVersion = Build.VERSION.INCREMENTAL;
 
+        Log.d(TAG, "Launcher: " + launcherVersion + ", platform: " + platformVersion);
+
+        final Matcher launcherBuildMatcher = LAUNCHER_BUILD.matcher(launcherVersion);
         if (!launcherBuildMatcher.find()) {
             throw new AssertionError("Launcher build match not found");
         }
 
-        final String platformVersion = Build.VERSION.INCREMENTAL;
         final Matcher platformBuildMatcher = PLATFORM_BUILD.matcher(platformVersion);
-
         if (!platformBuildMatcher.find()) {
             throw new AssertionError("Platform build match not found");
         }
 
-        Log.d(TAG, "Launcher: " + launcherVersion + ", platform: " + platformVersion);
-
         final int runFlavor;
 
         if (launcherBuildMatcher.group("local") != null && (
diff --git a/tests/src/com/android/launcher3/widget/WidgetsListAdapterTest.java b/tests/src/com/android/launcher3/widget/WidgetsListAdapterTest.java
index c7f7cd6..57b0b09 100644
--- a/tests/src/com/android/launcher3/widget/WidgetsListAdapterTest.java
+++ b/tests/src/com/android/launcher3/widget/WidgetsListAdapterTest.java
@@ -33,7 +33,6 @@
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.LauncherAppWidgetProviderInfo;
 import com.android.launcher3.WidgetPreviewLoader;
-import com.android.launcher3.compat.AppWidgetManagerCompat;
 import com.android.launcher3.icons.BitmapInfo;
 import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.model.PackageItemInfo;
@@ -129,7 +128,7 @@
         if (num <= 0) return result;
 
         MultiHashMap<PackageItemInfo, WidgetItem> newMap = new MultiHashMap();
-        AppWidgetManagerCompat widgetManager = AppWidgetManagerCompat.getInstance(mContext);
+        WidgetManagerHelper widgetManager = new WidgetManagerHelper(mContext);
         for (AppWidgetProviderInfo widgetInfo : widgetManager.getAllProviders(null)) {
             WidgetItem wi = new WidgetItem(LauncherAppWidgetProviderInfo
                     .fromProviderInfo(mContext, widgetInfo), mTestProfile, mIconCache);
diff --git a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
index 2fea1b7..9c550cc 100644
--- a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
+++ b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
@@ -130,6 +130,7 @@
     private static final String APPS_RES_ID = "apps_view";
     private static final String OVERVIEW_RES_ID = "overview_panel";
     private static final String WIDGETS_RES_ID = "widgets_list_view";
+    private static final String CONTEXT_MENU_RES_ID = "deep_shortcuts_container";
     public static final int WAIT_TIME_MS = 10000;
     private static final String SYSTEMUI_PACKAGE = "com.android.systemui";
 
@@ -308,6 +309,7 @@
     }
 
     private String getVisibleStateMessage() {
+        if (hasLauncherObject(CONTEXT_MENU_RES_ID)) return "Context Menu";
         if (hasLauncherObject(WIDGETS_RES_ID)) return "Widgets";
         if (hasLauncherObject(OVERVIEW_RES_ID)) return "Overview";
         if (hasLauncherObject(WORKSPACE_RES_ID)) return "Workspace";
@@ -517,7 +519,9 @@
                     mInstrumentation.getUiAutomation().executeAndWaitForEvent(
                             command, eventFilter, WAIT_TIME_MS);
             assertNotNull("executeAndWaitForEvent returned null (this can't happen)", event);
-            return event.getParcelableData();
+            final Parcelable parcelableData = event.getParcelableData();
+            event.recycle();
+            return parcelableData;
         } catch (TimeoutException e) {
             fail(message.get());
             return null;
@@ -541,7 +545,7 @@
 
             final Point displaySize = getRealDisplaySize();
 
-            if (hasLauncherObject("deep_shortcuts_container")) {
+            if (hasLauncherObject(CONTEXT_MENU_RES_ID)) {
                 linearGesture(
                         displaySize.x / 2, displaySize.y - 1,
                         displaySize.x / 2, 0,
@@ -549,7 +553,7 @@
                         false);
                 try (LauncherInstrumentation.Closable c = addContextLayer(
                         "Swiped up from context menu to home")) {
-                    waitUntilGone("deep_shortcuts_container");
+                    waitUntilGone(CONTEXT_MENU_RES_ID);
                 }
             }
             if (hasLauncherObject(WORKSPACE_RES_ID)) {
diff --git a/tests/tapl/com/android/launcher3/tapl/Workspace.java b/tests/tapl/com/android/launcher3/tapl/Workspace.java
index 8a53ef1..3299d5d 100644
--- a/tests/tapl/com/android/launcher3/tapl/Workspace.java
+++ b/tests/tapl/com/android/launcher3/tapl/Workspace.java
@@ -22,6 +22,7 @@
 
 import static junit.framework.TestCase.assertTrue;
 
+import android.content.res.Resources;
 import android.graphics.Point;
 import android.graphics.Rect;
 import android.os.SystemClock;
@@ -49,6 +50,34 @@
         mHotseat = launcher.waitForLauncherObject("hotseat");
     }
 
+    private static boolean supportsRoundedCornersOnWindows(Resources resources) {
+        return ResourceUtils.getBoolByName(
+                "config_supportsRoundedCornersOnWindows", resources, false);
+    }
+
+    private static float getWindowCornerRadius(Resources resources) {
+        if (!supportsRoundedCornersOnWindows(resources)) {
+            return 0f;
+        }
+
+        // Radius that should be used in case top or bottom aren't defined.
+        float defaultRadius = ResourceUtils.getDimenByName("rounded_corner_radius", resources, 0);
+
+        float topRadius = ResourceUtils.getDimenByName("rounded_corner_radius_top", resources, 0);
+        if (topRadius == 0f) {
+            topRadius = defaultRadius;
+        }
+        float bottomRadius = ResourceUtils.getDimenByName(
+                "rounded_corner_radius_bottom", resources, 0);
+        if (bottomRadius == 0f) {
+            bottomRadius = defaultRadius;
+        }
+
+        // Always use the smallest radius to make sure the rounded corners will
+        // completely cover the display.
+        return Math.min(topRadius, bottomRadius);
+    }
+
     /**
      * Swipes up to All Apps.
      *
@@ -59,13 +88,12 @@
         try (LauncherInstrumentation.Closable c =
                      mLauncher.addContextLayer("want to switch from workspace to all apps")) {
             verifyActiveContainer();
-            final UiObject2 hotseat = mHotseat;
-            final Point start = hotseat.getVisibleCenter();
-            int deviceHeight = mLauncher.getDevice().getDisplayHeight();
-            int bottomGestureMargin = ResourceUtils.getNavbarSize(
+            final int deviceHeight = mLauncher.getDevice().getDisplayHeight();
+            final int bottomGestureMargin = ResourceUtils.getNavbarSize(
                     ResourceUtils.NAVBAR_BOTTOM_GESTURE_SIZE, mLauncher.getResources());
-            int displayBottom = deviceHeight - bottomGestureMargin;
-            start.y = displayBottom - 1;
+            final int windowCornerRadius = (int) Math.ceil(getWindowCornerRadius(
+                    mLauncher.getResources()));
+            final int startY = deviceHeight - Math.max(bottomGestureMargin, windowCornerRadius) - 1;
             final int swipeHeight = mLauncher.getTestInfo(
                     TestProtocol.REQUEST_HOME_TO_ALL_APPS_SWIPE_HEIGHT).
                     getInt(TestProtocol.TEST_INFO_RESPONSE_FIELD);
@@ -74,10 +102,10 @@
                             + mLauncher.getTouchSlop());
 
             mLauncher.swipeToState(
-                    start.x,
-                    start.y,
-                    start.x,
-                    start.y - swipeHeight - mLauncher.getTouchSlop(),
+                    0,
+                    startY,
+                    0,
+                    startY - swipeHeight - mLauncher.getTouchSlop(),
                     12,
                     ALL_APPS_STATE_ORDINAL);