diff --git a/Android.mk b/Android.mk
index 78ea02a..3d1d996 100644
--- a/Android.mk
+++ b/Android.mk
@@ -84,8 +84,7 @@
 LOCAL_SRC_FILES := \
     $(call all-java-files-under, src) \
     $(call all-java-files-under, src_shortcuts_overrides) \
-    $(call all-java-files-under, src_ui_overrides) \
-    $(call all-java-files-under, src_flags)
+    $(call all-java-files-under, src_ui_overrides)
 
 LOCAL_PROGUARD_FLAG_FILES := proguard.flags
 # Proguard is disable for testing. Derivarive prjects to keep proguard enabled
@@ -146,7 +145,7 @@
 LOCAL_AAPT2_ONLY := true
 LOCAL_MODULE_TAGS := optional
 
-LOCAL_STATIC_JAVA_LIBRARIES := SystemUISharedLib launcherprotosnano
+LOCAL_STATIC_JAVA_LIBRARIES := SystemUISharedLibLauncherWrapper launcherprotosnano
 ifneq (,$(wildcard frameworks/base))
   LOCAL_PRIVATE_PLATFORM_APIS := true
 else
@@ -163,7 +162,6 @@
     $(call all-java-files-under, src) \
     $(call all-java-files-under, quickstep/src) \
     $(call all-java-files-under, quickstep/recents_ui_overrides/src) \
-    $(call all-java-files-under, src_flags) \
     $(call all-java-files-under, src_shortcuts_overrides)
 
 LOCAL_RESOURCE_DIR := \
@@ -218,7 +216,7 @@
 LOCAL_USE_AAPT2 := true
 LOCAL_MODULE_TAGS := optional
 
-LOCAL_STATIC_JAVA_LIBRARIES := SystemUISharedLib launcherprotosnano
+LOCAL_STATIC_JAVA_LIBRARIES := SystemUISharedLibLauncherWrapper launcherprotosnano
 ifneq (,$(wildcard frameworks/base))
   LOCAL_PRIVATE_PLATFORM_APIS := true
 else
@@ -264,7 +262,7 @@
 LOCAL_USE_AAPT2 := true
 LOCAL_MODULE_TAGS := optional
 
-LOCAL_STATIC_JAVA_LIBRARIES := SystemUISharedLib launcherprotosnano
+LOCAL_STATIC_JAVA_LIBRARIES := SystemUISharedLibLauncherWrapper launcherprotosnano
 ifneq (,$(wildcard frameworks/base))
   LOCAL_PRIVATE_PLATFORM_APIS := true
 else
diff --git a/go/quickstep/src/com/android/launcher3/GoLauncherAppTransitionManagerImpl.java b/go/quickstep/src/com/android/launcher3/GoLauncherAppTransitionManagerImpl.java
index bcb1f5c..3953fd0 100644
--- a/go/quickstep/src/com/android/launcher3/GoLauncherAppTransitionManagerImpl.java
+++ b/go/quickstep/src/com/android/launcher3/GoLauncherAppTransitionManagerImpl.java
@@ -40,7 +40,9 @@
 
     @Override
     protected void composeRecentsLaunchAnimator(AnimatorSet anim, View v,
-            RemoteAnimationTargetCompat[] targets, boolean launcherClosing) {
+            RemoteAnimationTargetCompat[] appTargets,
+            RemoteAnimationTargetCompat[] wallpaperTargets,
+            boolean launcherClosing) {
         // Stubbed. Recents launch animation will come from the recents view itself and will not
         // use remote animations.
     }
@@ -74,21 +76,23 @@
         }
 
         @Override
-        public void onCreateAnimation(RemoteAnimationTargetCompat[] targetCompats,
+        public void onCreateAnimation(RemoteAnimationTargetCompat[] appTargets,
+                RemoteAnimationTargetCompat[] wallpaperTargets,
                 AnimationResult result) {
             boolean isGoingToRecents =
-                    taskIsATargetWithMode(targetCompats, mLauncher.getTaskId(), MODE_OPENING)
+                    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(targetCompats, result))
+                        postAsyncCallback(mHandler, () -> onCreateAnimation(appTargets,
+                                wallpaperTargets, result))
                     );
                     return;
                 }
             }
-            super.onCreateAnimation(targetCompats, result);
+            super.onCreateAnimation(appTargets, wallpaperTargets, result);
         }
     }
 }
diff --git a/go/quickstep/src/com/android/launcher3/uioverrides/RecentsUiFactory.java b/go/quickstep/src/com/android/launcher3/uioverrides/RecentsUiFactory.java
index cbc77d2..ae8fd82 100644
--- a/go/quickstep/src/com/android/launcher3/uioverrides/RecentsUiFactory.java
+++ b/go/quickstep/src/com/android/launcher3/uioverrides/RecentsUiFactory.java
@@ -20,7 +20,6 @@
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherStateManager.StateHandler;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.graphics.RotationMode;
 import com.android.launcher3.uioverrides.touchcontrollers.LandscapeEdgeSwipeController;
 import com.android.launcher3.uioverrides.touchcontrollers.LandscapeStatesTouchController;
@@ -51,7 +50,7 @@
                     .getMode().hasGestures;
             list.add(new PortraitStatesTouchController(launcher, allowDragToOverview));
         }
-        if (FeatureFlags.PULL_DOWN_STATUS_BAR && Utilities.IS_DEBUG_DEVICE
+        if (Utilities.IS_DEBUG_DEVICE
                 && !launcher.getDeviceProfile().isMultiWindowMode
                 && !launcher.getDeviceProfile().isVerticalBarLayout()) {
             list.add(new StatusBarTouchController(launcher));
diff --git a/go/quickstep/src/com/android/quickstep/AppToOverviewAnimationProvider.java b/go/quickstep/src/com/android/quickstep/AppToOverviewAnimationProvider.java
index 92900f2..ddf0fff 100644
--- a/go/quickstep/src/com/android/quickstep/AppToOverviewAnimationProvider.java
+++ b/go/quickstep/src/com/android/quickstep/AppToOverviewAnimationProvider.java
@@ -95,11 +95,12 @@
      * Create remote window animation from the currently running app to the overview panel. Should
      * be called after {@link #onActivityReady}.
      *
-     * @param targetCompats the target apps
+     * @param appTargets the target apps
      * @return animation from app to overview
      */
     @Override
-    public AnimatorSet createWindowAnimation(RemoteAnimationTargetCompat[] targetCompats) {
+    public AnimatorSet createWindowAnimation(RemoteAnimationTargetCompat[] appTargets,
+            RemoteAnimationTargetCompat[] wallpaperTargets) {
         if (mAnimationReadyListener != null) {
             mAnimationReadyListener.onWindowAnimationCreated();
         }
@@ -113,13 +114,13 @@
         }
 
         RemoteAnimationTargetSet targetSet =
-                new RemoteAnimationTargetSet(targetCompats, MODE_CLOSING);
+                new RemoteAnimationTargetSet(appTargets, wallpaperTargets, MODE_CLOSING);
         mRecentsView.setTransitionedFromApp(!targetSet.isAnimatingHome());
 
         RemoteAnimationTargetCompat recentsTarget = null;
         RemoteAnimationTargetCompat closingAppTarget = null;
 
-        for (RemoteAnimationTargetCompat target : targetCompats) {
+        for (RemoteAnimationTargetCompat target : appTargets) {
             if (target.mode == MODE_OPENING) {
                 recentsTarget = target;
             } else if (target.mode == MODE_CLOSING && target.taskId == mTargetTaskId) {
@@ -157,16 +158,17 @@
                 false /* startAtFrontOfQueue */) {
 
             @Override
-            public void onCreateAnimation(RemoteAnimationTargetCompat[] targetCompats,
+            public void onCreateAnimation(RemoteAnimationTargetCompat[] appTargets,
+                    RemoteAnimationTargetCompat[] wallpaperTargets,
                     AnimationResult result) {
                 IconRecentsView recentsView = mRecentsView;
                 if (!recentsView.isReadyForRemoteAnim()) {
                     recentsView.setOnReadyForRemoteAnimCallback(() -> postAsyncCallback(handler,
-                            () -> onCreateAnimation(targetCompats, result))
+                            () -> onCreateAnimation(appTargets, wallpaperTargets, result))
                     );
                     return;
                 }
-                result.setAnimation(createWindowAnimation(targetCompats), context);
+                result.setAnimation(createWindowAnimation(appTargets, wallpaperTargets), context);
             }
         };
         return ActivityOptionsCompat.makeRemoteAnimation(
diff --git a/go/quickstep/src/com/android/quickstep/FallbackActivityControllerHelper.java b/go/quickstep/src/com/android/quickstep/FallbackActivityControllerHelper.java
index 057b48b..4994526 100644
--- a/go/quickstep/src/com/android/quickstep/FallbackActivityControllerHelper.java
+++ b/go/quickstep/src/com/android/quickstep/FallbackActivityControllerHelper.java
@@ -26,6 +26,7 @@
 
 import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.userevent.nano.LauncherLogProto;
+import com.android.quickstep.util.ActivityInitListener;
 import com.android.quickstep.util.RemoteAnimationTargetSet;
 import com.android.quickstep.views.IconRecentsView;
 
@@ -85,13 +86,13 @@
     @Override
     public ActivityInitListener createActivityInitListener(
             BiPredicate<RecentsActivity, Boolean> onInitListener) {
-        return new RecentsActivityTracker(onInitListener);
+        return new ActivityInitListener(onInitListener, RecentsActivity.ACTIVITY_TRACKER);
     }
 
     @Nullable
     @Override
     public RecentsActivity getCreatedActivity() {
-        return RecentsActivityTracker.getCurrentActivity();
+        return RecentsActivity.ACTIVITY_TRACKER.getCreatedActivity();
     }
 
     @Nullable
diff --git a/go/quickstep/src/com/android/quickstep/LauncherActivityControllerHelper.java b/go/quickstep/src/com/android/quickstep/LauncherActivityControllerHelper.java
index b0d9cda..8993b67 100644
--- a/go/quickstep/src/com/android/quickstep/LauncherActivityControllerHelper.java
+++ b/go/quickstep/src/com/android/quickstep/LauncherActivityControllerHelper.java
@@ -55,7 +55,7 @@
     }
 
     @Override
-    public ActivityInitListener createActivityInitListener(
+    public LauncherInitListener createActivityInitListener(
             BiPredicate<Launcher, Boolean> onInitListener) {
         return new LauncherInitListener(onInitListener);
     }
diff --git a/go/quickstep/src/com/android/quickstep/OverviewCommandHelper.java b/go/quickstep/src/com/android/quickstep/OverviewCommandHelper.java
index 216972c..9c409cc 100644
--- a/go/quickstep/src/com/android/quickstep/OverviewCommandHelper.java
+++ b/go/quickstep/src/com/android/quickstep/OverviewCommandHelper.java
@@ -27,8 +27,8 @@
 import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.logging.UserEventDispatcher;
 import com.android.launcher3.userevent.nano.LauncherLogProto;
-import com.android.quickstep.ActivityControlHelper.ActivityInitListener;
 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;
@@ -104,7 +104,7 @@
 
         private final long mToggleClickedTime = SystemClock.uptimeMillis();
         private boolean mUserEventLogged;
-        private ActivityInitListener mListener;
+        private ActivityInitListener<T> mListener;
 
         public RecentsActivityCommand() {
             mHelper = mOverviewComponentObserver.getActivityControlHelper();
diff --git a/go/src/com/android/launcher3/config/FeatureFlags.java b/go/src/com/android/launcher3/config/FeatureFlags.java
deleted file mode 100644
index a90808c..0000000
--- a/go/src/com/android/launcher3/config/FeatureFlags.java
+++ /dev/null
@@ -1,32 +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.config;
-
-import android.content.Context;
-
-/**
- * Defines a set of flags used to control various launcher behaviors
- */
-public final class FeatureFlags extends BaseFlags {
-    private FeatureFlags() {
-        // Prevent instantiation
-    }
-
-    // Features to control Launcher3Go behavior
-    public static final boolean GO_DISABLE_WIDGETS = true;
-    public static final boolean LAUNCHER3_SPRING_ICONS = false;
-}
diff --git a/go/src/com/android/launcher3/model/WidgetsModel.java b/go/src/com/android/launcher3/model/WidgetsModel.java
index 18f3f9d..7b8f4e6 100644
--- a/go/src/com/android/launcher3/model/WidgetsModel.java
+++ b/go/src/com/android/launcher3/model/WidgetsModel.java
@@ -37,6 +37,10 @@
  * <p> The widgets and shortcuts are organized using package name as its index.
  */
 public class WidgetsModel {
+
+    // True is the widget support is disabled.
+    public static final boolean GO_DISABLE_WIDGETS = false;
+
     private static final ArrayList<WidgetListRowEntry> EMPTY_WIDGET_LIST = new ArrayList<>();
 
     /**
diff --git a/gradle.properties b/gradle.properties
index 5b90f08..a77f52a 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -10,4 +10,4 @@
 PROTOBUF_DEPENDENCY=com.google.protobuf.nano:protobuf-javanano:3.0.0-alpha-7
 
 BUILD_TOOLS_VERSION=28.0.3
-COMPILE_SDK=android-Q
\ No newline at end of file
+COMPILE_SDK=android-R
diff --git a/iconloaderlib/src/com/android/launcher3/icons/cache/BaseIconCache.java b/iconloaderlib/src/com/android/launcher3/icons/cache/BaseIconCache.java
index a886c0a..93f0538 100644
--- a/iconloaderlib/src/com/android/launcher3/icons/cache/BaseIconCache.java
+++ b/iconloaderlib/src/com/android/launcher3/icons/cache/BaseIconCache.java
@@ -374,7 +374,7 @@
      * Adds a default package entry in the cache. This entry is not persisted and will be removed
      * when the cache is flushed.
      */
-    public synchronized void cachePackageInstallInfo(String packageName, UserHandle user,
+    protected synchronized void cachePackageInstallInfo(String packageName, UserHandle user,
             Bitmap icon, CharSequence title) {
         removeFromMemCacheLocked(packageName, user);
 
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java
index 7115943..3384397 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java
@@ -30,6 +30,9 @@
 import android.content.Context;
 import android.view.View;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
 import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.anim.Interpolators;
 import com.android.launcher3.anim.SpringAnimationBuilder;
@@ -38,9 +41,6 @@
 import com.android.quickstep.views.TaskView;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
 
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-
 /**
  * A {@link QuickstepAppTransitionManagerImpl} that also implements recents transitions from
  * {@link RecentsView}.
@@ -64,15 +64,16 @@
 
     @Override
     protected void composeRecentsLaunchAnimator(@NonNull AnimatorSet anim, @NonNull View v,
-            @NonNull RemoteAnimationTargetCompat[] targets, boolean launcherClosing) {
+            @NonNull RemoteAnimationTargetCompat[] appTargets,
+            @NonNull RemoteAnimationTargetCompat[] wallpaperTargets, boolean launcherClosing) {
         RecentsView recentsView = mLauncher.getOverviewPanel();
         boolean skipLauncherChanges = !launcherClosing;
 
-        TaskView taskView = findTaskViewToLaunch(mLauncher, v, targets);
+        TaskView taskView = findTaskViewToLaunch(mLauncher, v, appTargets);
 
         ClipAnimationHelper helper = new ClipAnimationHelper(mLauncher);
-        anim.play(getRecentsWindowAnimator(taskView, skipLauncherChanges, targets, helper)
-                .setDuration(RECENTS_LAUNCH_DURATION));
+        anim.play(getRecentsWindowAnimator(taskView, skipLauncherChanges, appTargets,
+                wallpaperTargets, helper).setDuration(RECENTS_LAUNCH_DURATION));
 
         Animator childStateAnimation = null;
         // Found a visible recents task that matches the opening app, lets launch the app from there
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/LauncherInitListenerEx.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/LauncherInitListenerEx.java
index c5c4add..76050d5 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/LauncherInitListenerEx.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/LauncherInitListenerEx.java
@@ -27,7 +27,7 @@
     }
 
     @Override
-    protected boolean init(Launcher launcher, boolean alreadyOnHome) {
+    public boolean init(Launcher launcher, boolean alreadyOnHome) {
         PredictionUiStateManager.INSTANCE.get(launcher).switchClient(Client.OVERVIEW);
         return super.init(launcher, alreadyOnHome);
     }
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/RecentsUiFactory.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/RecentsUiFactory.java
index 596bc4f..46e883a 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/RecentsUiFactory.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/RecentsUiFactory.java
@@ -22,33 +22,35 @@
 
 import android.content.Context;
 import android.graphics.Rect;
+import android.os.RemoteException;
+import android.util.Log;
 import android.view.Gravity;
 
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.LauncherStateManager.StateHandler;
-import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.AnimatorPlaybackController;
-import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.graphics.RotationMode;
 import com.android.launcher3.uioverrides.touchcontrollers.FlingAndHoldTouchController;
 import com.android.launcher3.uioverrides.touchcontrollers.LandscapeEdgeSwipeController;
 import com.android.launcher3.uioverrides.touchcontrollers.NavBarToHomeTouchController;
 import com.android.launcher3.uioverrides.touchcontrollers.OverviewToAllAppsTouchController;
 import com.android.launcher3.uioverrides.touchcontrollers.PortraitStatesTouchController;
-import com.android.launcher3.uioverrides.touchcontrollers.StatusBarTouchController;
 import com.android.launcher3.uioverrides.touchcontrollers.QuickSwitchTouchController;
+import com.android.launcher3.uioverrides.touchcontrollers.StatusBarTouchController;
 import com.android.launcher3.uioverrides.touchcontrollers.TaskViewTouchController;
 import com.android.launcher3.uioverrides.touchcontrollers.TransposedQuickSwitchTouchController;
 import com.android.launcher3.util.TouchController;
 import com.android.launcher3.util.UiThreadHelper;
 import com.android.launcher3.util.UiThreadHelper.AsyncCommand;
+import com.android.quickstep.RecentsModel;
 import com.android.quickstep.SysUINavigationMode;
 import com.android.quickstep.SysUINavigationMode.Mode;
 import com.android.quickstep.TouchInteractionService;
+import com.android.quickstep.util.SharedApiCompat;
 import com.android.quickstep.views.RecentsView;
-import com.android.systemui.shared.system.WindowManagerWrapper;
+import com.android.systemui.shared.recents.ISystemUiProxy;
 
 import java.util.ArrayList;
 
@@ -58,8 +60,20 @@
 public abstract class RecentsUiFactory {
 
     public static final boolean GO_LOW_RAM_RECENTS_ENABLED = false;
-    private static final AsyncCommand SET_SHELF_HEIGHT_CMD = (visible, height) ->
-            WindowManagerWrapper.getInstance().setShelfHeight(visible != 0, height);
+
+    private static final String TAG = RecentsUiFactory.class.getSimpleName();
+
+    private static AsyncCommand newSetShelfHeightCmd(Context context) {
+        return (visible, height) -> {
+            ISystemUiProxy sysUiProxy = RecentsModel.INSTANCE.get(context).getSystemUiProxy();
+            if (sysUiProxy == null) return;
+            try {
+                SharedApiCompat.setShelfHeight(sysUiProxy, visible != 0, height);
+            } catch (RemoteException e) {
+                Log.e(TAG, "Error setShelfHeight", e);
+            }
+        };
+    }
 
     public static RotationMode ROTATION_LANDSCAPE = new RotationMode(-90) {
         @Override
@@ -164,8 +178,7 @@
             }
         }
 
-        if (FeatureFlags.PULL_DOWN_STATUS_BAR
-                && !launcher.getDeviceProfile().isMultiWindowMode) {
+        if (!launcher.getDeviceProfile().isMultiWindowMode) {
             list.add(new StatusBarTouchController(launcher));
         }
 
@@ -200,7 +213,7 @@
         DeviceProfile profile = launcher.getDeviceProfile();
         boolean visible = (state == NORMAL || state == OVERVIEW) && launcher.isUserActive()
                 && !profile.isVerticalBarLayout();
-        UiThreadHelper.runAsyncCommand(launcher, SET_SHELF_HEIGHT_CMD,
+        UiThreadHelper.runAsyncCommand(launcher, newSetShelfHeightCmd(launcher),
                 visible ? 1 : 0, profile.hotseatBarSizePx);
 
         if (state == NORMAL) {
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/AppToOverviewAnimationProvider.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/AppToOverviewAnimationProvider.java
index ad90e16..b939898 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/AppToOverviewAnimationProvider.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/AppToOverviewAnimationProvider.java
@@ -90,11 +90,12 @@
     /**
      * Create remote window animation from the currently running app to the overview panel.
      *
-     * @param targetCompats the target apps
+     * @param appTargets the target apps
      * @return animation from app to overview
      */
     @Override
-    public AnimatorSet createWindowAnimation(RemoteAnimationTargetCompat[] targetCompats) {
+    public AnimatorSet createWindowAnimation(RemoteAnimationTargetCompat[] appTargets,
+            RemoteAnimationTargetCompat[] wallpaperTargets) {
         if (mRecentsView != null) {
             mRecentsView.setRunningTaskIconScaledDown(true);
         }
@@ -114,8 +115,8 @@
             return anim;
         }
 
-        RemoteAnimationTargetSet targetSet =
-                new RemoteAnimationTargetSet(targetCompats, MODE_CLOSING);
+        RemoteAnimationTargetSet targetSet = new RemoteAnimationTargetSet(appTargets,
+                wallpaperTargets, MODE_CLOSING);
 
         // Use the top closing app to determine the insets for the animation
         RemoteAnimationTargetCompat runningTaskTarget = targetSet.findTask(mTargetTaskId);
@@ -153,8 +154,8 @@
 
         if (targetSet.isAnimatingHome()) {
             // If we are animating home, fade in the opening targets
-            RemoteAnimationTargetSet openingSet =
-                    new RemoteAnimationTargetSet(targetCompats, MODE_OPENING);
+            RemoteAnimationTargetSet openingSet = new RemoteAnimationTargetSet(appTargets,
+                    wallpaperTargets, MODE_OPENING);
 
             TransactionCompat transaction = new TransactionCompat();
             valueAnimator.addUpdateListener((v) -> {
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/BaseSwipeUpHandler.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/BaseSwipeUpHandler.java
index 7196f7c..d524b5d 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/BaseSwipeUpHandler.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/BaseSwipeUpHandler.java
@@ -57,10 +57,10 @@
 import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.graphics.RotationMode;
 import com.android.launcher3.views.FloatingIconView;
-import com.android.quickstep.ActivityControlHelper.ActivityInitListener;
 import com.android.quickstep.ActivityControlHelper.HomeAnimationFactory;
 import com.android.quickstep.SysUINavigationMode.Mode;
 import com.android.quickstep.inputconsumers.InputConsumer;
+import com.android.quickstep.util.ActivityInitListener;
 import com.android.quickstep.util.ClipAnimationHelper;
 import com.android.quickstep.util.ClipAnimationHelper.TransformParams;
 import com.android.quickstep.util.RectFSpringAnim;
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/FallbackActivityControllerHelper.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/FallbackActivityControllerHelper.java
index 8c5a788..33180a9 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/FallbackActivityControllerHelper.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/FallbackActivityControllerHelper.java
@@ -35,6 +35,7 @@
 import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.userevent.nano.LauncherLogProto;
 import com.android.quickstep.fallback.FallbackRecentsView;
+import com.android.quickstep.util.ActivityInitListener;
 import com.android.quickstep.util.LayoutUtils;
 import com.android.quickstep.util.RemoteAnimationTargetSet;
 import com.android.quickstep.views.RecentsView;
@@ -177,13 +178,13 @@
     @Override
     public ActivityInitListener createActivityInitListener(
             BiPredicate<RecentsActivity, Boolean> onInitListener) {
-        return new RecentsActivityTracker(onInitListener);
+        return new ActivityInitListener(onInitListener, RecentsActivity.ACTIVITY_TRACKER);
     }
 
     @Nullable
     @Override
     public RecentsActivity getCreatedActivity() {
-        return RecentsActivityTracker.getCurrentActivity();
+        return BaseRecentsActivity.ACTIVITY_TRACKER.getCreatedActivity();
     }
 
     @Nullable
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherActivityControllerHelper.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherActivityControllerHelper.java
index 57e6d96..e7005a6 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherActivityControllerHelper.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherActivityControllerHelper.java
@@ -50,7 +50,6 @@
 
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Launcher;
-import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherInitListenerEx;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.LauncherStateManager;
@@ -61,11 +60,13 @@
 import com.android.launcher3.userevent.nano.LauncherLogProto;
 import com.android.launcher3.views.FloatingIconView;
 import com.android.quickstep.SysUINavigationMode.Mode;
+import com.android.quickstep.util.ActivityInitListener;
 import com.android.quickstep.util.LayoutUtils;
 import com.android.quickstep.util.StaggeredWorkspaceAnim;
 import com.android.quickstep.views.LauncherRecentsView;
 import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.TaskView;
+import com.android.systemui.plugins.shared.LauncherOverlayManager;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
 
 import java.util.function.BiPredicate;
@@ -108,6 +109,14 @@
         // Ensure recents is at the correct position for NORMAL state. For example, when we detach
         // recents, we assume the first task is invisible, making translation off by one task.
         activity.getStateManager().reapplyState();
+        setLauncherHideBackArrow(false);
+    }
+
+    private void setLauncherHideBackArrow(boolean hideBackArrow) {
+        Launcher launcher = getCreatedActivity();
+        if (launcher != null) {
+            launcher.getRootView().setForceHideBackArrow(hideBackArrow);
+        }
     }
 
     @Override
@@ -138,7 +147,7 @@
                 ? FloatingIconView.getFloatingIconView(activity, workspaceView,
                         true /* hideOriginal */, iconLocation, false /* isOpening */)
                 : null;
-
+        setLauncherHideBackArrow(true);
         return new HomeAnimationFactory() {
             @Nullable
             @Override
@@ -395,11 +404,7 @@
     @Nullable
     @Override
     public Launcher getCreatedActivity() {
-        LauncherAppState app = LauncherAppState.getInstanceNoCreate();
-        if (app == null) {
-            return null;
-        }
-        return (Launcher) app.getModel().getCallback();
+        return Launcher.ACTIVITY_TRACKER.getCreatedActivity();
     }
 
     @Nullable
@@ -472,4 +477,18 @@
     public void onLaunchTaskSuccess(Launcher launcher) {
         launcher.getStateManager().moveToRestState();
     }
+
+    @Override
+    public void closeOverlay() {
+        Launcher launcher = getCreatedActivity();
+        if (launcher == null) {
+            return;
+        }
+        LauncherOverlayManager om = launcher.getOverlayManager();
+        if (!launcher.isStarted() || launcher.isForceInvisible()) {
+            om.hideOverlay(false /* animate */);
+        } else {
+            om.hideOverlay(150);
+        }
+    }
 }
\ No newline at end of file
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/OverviewCommandHelper.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/OverviewCommandHelper.java
index a8d402e..6df9ce5 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/OverviewCommandHelper.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/OverviewCommandHelper.java
@@ -25,14 +25,12 @@
 import android.content.Context;
 import android.os.Build;
 import android.os.SystemClock;
-import android.util.Log;
 import android.view.ViewConfiguration;
 
 import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.logging.UserEventDispatcher;
-import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.userevent.nano.LauncherLogProto;
-import com.android.quickstep.ActivityControlHelper.ActivityInitListener;
+import com.android.quickstep.util.ActivityInitListener;
 import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.TaskView;
 import com.android.systemui.shared.system.ActivityManagerWrapper;
@@ -209,7 +207,8 @@
             return mAnimationProvider.onActivityReady(activity, wasVisible);
         }
 
-        private AnimatorSet createWindowAnimation(RemoteAnimationTargetCompat[] targetCompats) {
+        private AnimatorSet createWindowAnimation(RemoteAnimationTargetCompat[] appTargets,
+                RemoteAnimationTargetCompat[] wallpaperTargets) {
             if (LatencyTrackerCompat.isEnabled(mContext)) {
                 LatencyTrackerCompat.logToggleRecents(
                         (int) (SystemClock.uptimeMillis() - mToggleClickedTime));
@@ -217,7 +216,8 @@
 
             mListener.unregister();
 
-            AnimatorSet animatorSet = mAnimationProvider.createWindowAnimation(targetCompats);
+            AnimatorSet animatorSet = mAnimationProvider.createWindowAnimation(appTargets,
+                    wallpaperTargets);
             animatorSet.addListener(new AnimatorListenerAdapter() {
                 @Override
                 public void onAnimationEnd(Animator animation) {
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/QuickstepTestInformationHandler.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/QuickstepTestInformationHandler.java
index 72a14b5..c4f375a 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/QuickstepTestInformationHandler.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/QuickstepTestInformationHandler.java
@@ -16,7 +16,9 @@
 
 public class QuickstepTestInformationHandler extends TestInformationHandler {
 
+    private final Context mContext;
     public QuickstepTestInformationHandler(Context context) {
+        mContext = context;
     }
 
     @Override
@@ -37,12 +39,6 @@
                 return response;
             }
 
-            case TestProtocol.REQUEST_IS_LAUNCHER_INITIALIZED: {
-                response.putBoolean(TestProtocol.TEST_INFO_RESPONSE_FIELD,
-                        TouchInteractionService.isInitialized());
-                return response;
-            }
-
             case TestProtocol.REQUEST_HOTSEAT_TOP: {
                 if (mLauncher == null) return null;
 
@@ -54,7 +50,7 @@
             case TestProtocol.REQUEST_OVERVIEW_LEFT_GESTURE_MARGIN: {
                 try {
                     final int leftMargin = MAIN_EXECUTOR.submit(() ->
-                            mLauncher.<RecentsView>getOverviewPanel().getLeftGestureMargin()).get();
+                            getRecentsView().getLeftGestureMargin()).get();
                     response.putInt(TestProtocol.TEST_INFO_RESPONSE_FIELD, leftMargin);
                 } catch (ExecutionException e) {
                     e.printStackTrace();
@@ -67,8 +63,7 @@
             case TestProtocol.REQUEST_OVERVIEW_RIGHT_GESTURE_MARGIN: {
                 try {
                     final int rightMargin = MAIN_EXECUTOR.submit(() ->
-                            mLauncher.<RecentsView>getOverviewPanel().getRightGestureMargin()).
-                            get();
+                            getRecentsView().getRightGestureMargin()).get();
                     response.putInt(TestProtocol.TEST_INFO_RESPONSE_FIELD, rightMargin);
                 } catch (ExecutionException e) {
                     e.printStackTrace();
@@ -81,4 +76,18 @@
 
         return super.call(method);
     }
+
+    private RecentsView getRecentsView() {
+        OverviewComponentObserver observer = new OverviewComponentObserver(mContext);
+        try {
+            return observer.getActivityControlHelper().getCreatedActivity().getOverviewPanel();
+        } finally {
+            observer.onDestroy();
+        }
+    }
+
+    @Override
+    protected boolean isLauncherInitialized() {
+        return super.isLauncherInitialized() && TouchInteractionService.isInitialized();
+    }
 }
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/RecentsActivity.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/RecentsActivity.java
index 9bdc98b..4a9aa2d 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/RecentsActivity.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/RecentsActivity.java
@@ -16,12 +16,10 @@
 package com.android.quickstep;
 
 import static com.android.launcher3.QuickstepAppTransitionManagerImpl.RECENTS_LAUNCH_DURATION;
-import static com.android.launcher3.QuickstepAppTransitionManagerImpl
-        .STATUS_BAR_TRANSITION_DURATION;
-import static com.android.launcher3.QuickstepAppTransitionManagerImpl
-        .STATUS_BAR_TRANSITION_PRE_DELAY;
-import static com.android.quickstep.TaskViewUtils.getRecentsWindowAnimator;
+import static com.android.launcher3.QuickstepAppTransitionManagerImpl.STATUS_BAR_TRANSITION_DURATION;
+import static com.android.launcher3.QuickstepAppTransitionManagerImpl.STATUS_BAR_TRANSITION_PRE_DELAY;
 import static com.android.quickstep.TaskUtils.taskIsATargetWithMode;
+import static com.android.quickstep.TaskViewUtils.getRecentsWindowAnimator;
 import static com.android.systemui.shared.system.RemoteAnimationTargetCompat.MODE_CLOSING;
 
 import android.animation.Animator;
@@ -40,11 +38,11 @@
 import com.android.launcher3.LauncherAnimationRunner;
 import com.android.launcher3.R;
 import com.android.launcher3.anim.Interpolators;
+import com.android.launcher3.util.ObjectWrapper;
 import com.android.launcher3.views.BaseDragLayer;
 import com.android.quickstep.fallback.FallbackRecentsView;
 import com.android.quickstep.fallback.RecentsRootView;
 import com.android.quickstep.util.ClipAnimationHelper;
-import com.android.quickstep.util.ObjectWrapper;
 import com.android.quickstep.views.TaskView;
 import com.android.systemui.shared.recents.model.ThumbnailData;
 import com.android.systemui.shared.system.ActivityOptionsCompat;
@@ -152,9 +150,10 @@
                 true /* startAtFrontOfQueue */) {
 
             @Override
-            public void onCreateAnimation(RemoteAnimationTargetCompat[] targetCompats,
-                    AnimationResult result) {
-                AnimatorSet anim = composeRecentsLaunchAnimator(taskView, targetCompats);
+            public void onCreateAnimation(RemoteAnimationTargetCompat[] appTargets,
+                    RemoteAnimationTargetCompat[] wallpaperTargets, AnimationResult result) {
+                AnimatorSet anim = composeRecentsLaunchAnimator(taskView, appTargets,
+                        wallpaperTargets);
                 anim.addListener(new AnimatorListenerAdapter() {
                     @Override
                     public void onAnimationEnd(Animator animation) {
@@ -174,12 +173,13 @@
      * Composes the animations for a launch from the recents list if possible.
      */
     private AnimatorSet composeRecentsLaunchAnimator(TaskView taskView,
-            RemoteAnimationTargetCompat[] targets) {
+            RemoteAnimationTargetCompat[] appTargets,
+            RemoteAnimationTargetCompat[] wallpaperTargets) {
         AnimatorSet target = new AnimatorSet();
-        boolean activityClosing = taskIsATargetWithMode(targets, getTaskId(), MODE_CLOSING);
+        boolean activityClosing = taskIsATargetWithMode(appTargets, getTaskId(), MODE_CLOSING);
         ClipAnimationHelper helper = new ClipAnimationHelper(this);
-        target.play(getRecentsWindowAnimator(taskView, !activityClosing, targets, helper)
-                .setDuration(RECENTS_LAUNCH_DURATION));
+        target.play(getRecentsWindowAnimator(taskView, !activityClosing, appTargets,
+                wallpaperTargets, helper).setDuration(RECENTS_LAUNCH_DURATION));
 
         // Found a visible recents task that matches the opening app, lets launch the app from there
         if (activityClosing) {
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/TaskViewUtils.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/TaskViewUtils.java
index 6897c1e..00fa0f2 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/TaskViewUtils.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/TaskViewUtils.java
@@ -111,14 +111,15 @@
      * animation.
      */
     public static ValueAnimator getRecentsWindowAnimator(TaskView v, boolean skipViewChanges,
-            RemoteAnimationTargetCompat[] targets, final ClipAnimationHelper inOutHelper) {
+            RemoteAnimationTargetCompat[] appTargets,
+            RemoteAnimationTargetCompat[] wallpaperTargets, final ClipAnimationHelper inOutHelper) {
         SyncRtSurfaceTransactionApplierCompat applier =
                 new SyncRtSurfaceTransactionApplierCompat(v);
         ClipAnimationHelper.TransformParams params = new ClipAnimationHelper.TransformParams()
                 .setSyncTransactionApplier(applier);
 
         final RemoteAnimationTargetSet targetSet =
-                new RemoteAnimationTargetSet(targets, MODE_OPENING);
+                new RemoteAnimationTargetSet(appTargets, wallpaperTargets, MODE_OPENING);
         targetSet.addDependentTransactionApplier(applier);
 
         final RecentsView recentsView = v.getRecentsView();
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java
index 729287c..7c1bc4e 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java
@@ -79,6 +79,7 @@
 import com.android.launcher3.model.AppLaunchTracker;
 import com.android.launcher3.provider.RestoreDbTask;
 import com.android.launcher3.testing.TestProtocol;
+import com.android.launcher3.uioverrides.DejankBinderTracker;
 import com.android.launcher3.util.DefaultDisplay;
 import com.android.quickstep.SysUINavigationMode.Mode;
 import com.android.quickstep.SysUINavigationMode.NavigationModeChangeListener;
@@ -271,7 +272,6 @@
     private OverviewCommandHelper mOverviewCommandHelper;
     private OverviewComponentObserver mOverviewComponentObserver;
     private OverviewInteractionState mOverviewInteractionState;
-    private OverviewCallbacks mOverviewCallbacks;
     private TaskOverlayFactory mTaskOverlayFactory;
     private InputConsumerController mInputConsumer;
     private boolean mAssistantAvailable;
@@ -468,7 +468,6 @@
 
         mOverviewCommandHelper = new OverviewCommandHelper(this, mOverviewComponentObserver);
         mOverviewInteractionState = OverviewInteractionState.INSTANCE.get(this);
-        mOverviewCallbacks = OverviewCallbacks.get(this);
         mTaskOverlayFactory = TaskOverlayFactory.INSTANCE.get(this);
         mInputConsumer = InputConsumerController.getRecentsAnimationInputConsumer();
         mIsUserUnlocked = true;
@@ -538,6 +537,7 @@
     }
 
     private void onInputEvent(InputEvent ev) {
+        DejankBinderTracker.allowBinderTrackingInTests();
         if (TestProtocol.sDebugTracing) {
             Log.d(TestProtocol.NO_BACKGROUND_TO_OVERVIEW_TAG, "onInputEvent " + ev);
         }
@@ -573,6 +573,7 @@
 
         TOUCH_INTERACTION_LOG.addLog("onMotionEvent", event.getActionMasked());
         mUncheckedConsumer.onMotionEvent(event);
+        DejankBinderTracker.disallowBinderTrackingInTests();
     }
 
     private boolean validSystemUiFlags() {
@@ -636,7 +637,8 @@
     }
 
     private InputConsumer newBaseConsumer(boolean useSharedState, MotionEvent event) {
-        RunningTaskInfo runningTaskInfo = mAM.getRunningTask(0);
+        RunningTaskInfo runningTaskInfo = DejankBinderTracker.whitelistIpcs(
+                () -> mAM.getRunningTask(0));
         if (!useSharedState) {
             sSwipeSharedState.clearAllState(false /* finishAnimation */);
         }
@@ -652,7 +654,8 @@
         if (isExcludedAssistant(runningTaskInfo)) {
             // In the case where we are in the excluded assistant state, ignore it and treat the
             // running activity as the task behind the assistant
-            runningTaskInfo = mAM.getRunningTask(ACTIVITY_TYPE_ASSISTANT);
+            runningTaskInfo = DejankBinderTracker.whitelistIpcs(
+                    () -> mAM.getRunningTask(ACTIVITY_TYPE_ASSISTANT));
             if (!ActivityManagerWrapper.isHomeTask(runningTaskInfo)) {
                 final ComponentName homeComponent =
                     mOverviewComponentObserver.getHomeIntent().getComponent();
@@ -701,20 +704,20 @@
 
         final boolean shouldDefer;
         final BaseSwipeUpHandler.Factory factory;
+        ActivityControlHelper activityControlHelper =
+                mOverviewComponentObserver.getActivityControlHelper();
 
         if (mMode == Mode.NO_BUTTON && !mOverviewComponentObserver.isHomeAndOverviewSame()) {
             shouldDefer = !sSwipeSharedState.recentsAnimationFinishInterrupted;
             factory = mFallbackNoButtonFactory;
         } else {
-            shouldDefer = mOverviewComponentObserver.getActivityControlHelper()
-                    .deferStartingActivity(mActiveNavBarRegion, event);
+            shouldDefer = activityControlHelper.deferStartingActivity(mActiveNavBarRegion, event);
             factory = mWindowTreansformFactory;
         }
 
-        return new OtherActivityInputConsumer(this, runningTaskInfo,
-                shouldDefer, mOverviewCallbacks, this::onConsumerInactive,
-                sSwipeSharedState, mInputMonitorCompat, mSwipeTouchRegion,
-                disableHorizontalSwipe(event), factory, mLogId);
+        return new OtherActivityInputConsumer(this, runningTaskInfo, shouldDefer,
+                this::onConsumerInactive, sSwipeSharedState, mInputMonitorCompat, mSwipeTouchRegion,
+                disableHorizontalSwipe(event), activityControlHelper, factory, mLogId);
     }
 
     private InputConsumer createDeviceLockedInputConsumer(RunningTaskInfo taskInfo) {
@@ -736,10 +739,10 @@
 
         if (activity.getRootView().hasWindowFocus() || sSwipeSharedState.goingToLauncher) {
             return new OverviewInputConsumer(activity, mInputMonitorCompat,
-                    false /* startingInActivityBounds */);
+                    false /* startingInActivityBounds */, activityControl);
         } else {
             return new OverviewWithoutFocusInputConsumer(activity, mInputMonitorCompat,
-                    disableHorizontalSwipe(event));
+                    activityControl, disableHorizontalSwipe(event));
         }
     }
 
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/WindowTransformSwipeHandler.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/WindowTransformSwipeHandler.java
index 411a808..db8eb27 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/WindowTransformSwipeHandler.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/WindowTransformSwipeHandler.java
@@ -68,6 +68,7 @@
 import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.anim.Interpolators;
 import com.android.launcher3.logging.UserEventDispatcher;
+import com.android.launcher3.uioverrides.DejankBinderTracker;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Action.Direction;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Action.Touch;
 import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
@@ -423,9 +424,13 @@
     private void initializeLauncherAnimationController() {
         buildAnimationController();
 
-        if (LatencyTrackerCompat.isEnabled(mContext)) {
-            LatencyTrackerCompat.logToggleRecents((int) (mLauncherFrameDrawnTime - mTouchTimeMs));
-        }
+        DejankBinderTracker.whitelistIpcs(() -> {
+            // Only used in debug builds
+            if (LatencyTrackerCompat.isEnabled(mContext)) {
+                LatencyTrackerCompat.logToggleRecents(
+                        (int) (mLauncherFrameDrawnTime - mTouchTimeMs));
+            }
+        });
 
         // This method is only called when STATE_GESTURE_STARTED is set, so we can enable the
         // high-res thumbnail loader here once we are sure that we will end up in an overview state
@@ -684,8 +689,8 @@
         }
 
         BaseDraggingActivity activity = mActivityControlHelper.getCreatedActivity();
-        return activity == null
-                ? InputConsumer.NO_OP : new OverviewInputConsumer(activity, null, true);
+        return activity == null ? InputConsumer.NO_OP
+                : new OverviewInputConsumer(activity, null, true, mActivityControlHelper);
     }
 
     private void endRunningWindowAnim(boolean cancel) {
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/FallbackNoButtonInputConsumer.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/FallbackNoButtonInputConsumer.java
index e0ff8af..6275d21 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/FallbackNoButtonInputConsumer.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/FallbackNoButtonInputConsumer.java
@@ -38,6 +38,7 @@
 import com.android.launcher3.R;
 import com.android.launcher3.anim.AnimationSuccessListener;
 import com.android.launcher3.anim.AnimatorPlaybackController;
+import com.android.launcher3.util.ObjectWrapper;
 import com.android.quickstep.ActivityControlHelper.HomeAnimationFactory;
 import com.android.quickstep.AnimatedFloat;
 import com.android.quickstep.BaseSwipeUpHandler;
@@ -47,7 +48,6 @@
 import com.android.quickstep.RecentsModel;
 import com.android.quickstep.SwipeSharedState;
 import com.android.quickstep.fallback.FallbackRecentsView;
-import com.android.quickstep.util.ObjectWrapper;
 import com.android.quickstep.util.RectFSpringAnim;
 import com.android.quickstep.util.SwipeAnimationTargetSet;
 import com.android.quickstep.views.TaskView;
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OtherActivityInputConsumer.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OtherActivityInputConsumer.java
index e41880d..f06702d 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OtherActivityInputConsumer.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OtherActivityInputConsumer.java
@@ -22,6 +22,7 @@
 import static android.view.MotionEvent.ACTION_POINTER_UP;
 import static android.view.MotionEvent.ACTION_UP;
 import static android.view.MotionEvent.INVALID_POINTER_ID;
+
 import static com.android.launcher3.Utilities.EDGE_NAV_BAR;
 import static com.android.launcher3.Utilities.squaredHypot;
 import static com.android.launcher3.util.RaceConditionTracker.ENTER;
@@ -44,14 +45,16 @@
 import android.view.MotionEvent;
 import android.view.VelocityTracker;
 import android.view.ViewConfiguration;
+
 import androidx.annotation.UiThread;
+
 import com.android.launcher3.R;
 import com.android.launcher3.util.Preconditions;
 import com.android.launcher3.util.RaceConditionTracker;
 import com.android.launcher3.util.TraceHelper;
+import com.android.quickstep.ActivityControlHelper;
 import com.android.quickstep.BaseSwipeUpHandler;
 import com.android.quickstep.BaseSwipeUpHandler.Factory;
-import com.android.quickstep.OverviewCallbacks;
 import com.android.quickstep.SwipeSharedState;
 import com.android.quickstep.SysUINavigationMode;
 import com.android.quickstep.SysUINavigationMode.Mode;
@@ -61,6 +64,7 @@
 import com.android.quickstep.util.RecentsAnimationListenerSet;
 import com.android.systemui.shared.system.ActivityManagerWrapper;
 import com.android.systemui.shared.system.InputMonitorCompat;
+
 import java.util.function.Consumer;
 
 /**
@@ -77,11 +81,11 @@
 
     private final CachedEventDispatcher mRecentsViewDispatcher = new CachedEventDispatcher();
     private final RunningTaskInfo mRunningTask;
-    private final OverviewCallbacks mOverviewCallbacks;
     private final SwipeSharedState mSwipeSharedState;
     private final InputMonitorCompat mInputMonitorCompat;
     private final SysUINavigationMode.Mode mMode;
     private final RectF mSwipeTouchRegion;
+    private final ActivityControlHelper mActivityControlHelper;
 
     private final BaseSwipeUpHandler.Factory mHandlerFactory;
 
@@ -121,10 +125,10 @@
     private int mLogId;
 
     public OtherActivityInputConsumer(Context base, RunningTaskInfo runningTaskInfo,
-            boolean isDeferredDownTarget, OverviewCallbacks overviewCallbacks,
-            Consumer<OtherActivityInputConsumer> onCompleteCallback,
+            boolean isDeferredDownTarget, Consumer<OtherActivityInputConsumer> onCompleteCallback,
             SwipeSharedState swipeSharedState, InputMonitorCompat inputMonitorCompat,
             RectF swipeTouchRegion, boolean disableHorizontalSwipe,
+            ActivityControlHelper activityControlHelper,
             Factory handlerFactory, int logId) {
         super(base);
         mLogId = logId;
@@ -134,6 +138,7 @@
         mMode = SysUINavigationMode.getMode(base);
         mSwipeTouchRegion = swipeTouchRegion;
         mHandlerFactory = handlerFactory;
+        mActivityControlHelper = activityControlHelper;
 
         mMotionPauseDetector = new MotionPauseDetector(base);
         mMotionPauseMinDisplacement = base.getResources().getDimension(
@@ -144,7 +149,6 @@
 
         boolean continuingPreviousGesture = swipeSharedState.getActiveListener() != null;
         mIsDeferredDownTarget = !continuingPreviousGesture && isDeferredDownTarget;
-        mOverviewCallbacks = overviewCallbacks;
         mSwipeSharedState = swipeSharedState;
 
         mNavBarPosition = new NavBarPosition(base);
@@ -313,7 +317,7 @@
         }
         mInputMonitorCompat.pilferPointers();
 
-        mOverviewCallbacks.closeAllWindows();
+        mActivityControlHelper.closeOverlay();
         ActivityManagerWrapper.getInstance().closeSystemWindows(
                 CLOSE_SYSTEM_WINDOWS_REASON_RECENTS);
 
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OverviewInputConsumer.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OverviewInputConsumer.java
index e553891..4857d00 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OverviewInputConsumer.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OverviewInputConsumer.java
@@ -19,7 +19,6 @@
 import static com.android.quickstep.TouchInteractionService.TOUCH_INTERACTION_LOG;
 import static com.android.systemui.shared.system.ActivityManagerWrapper.CLOSE_SYSTEM_WINDOWS_REASON_RECENTS;
 
-import android.util.Log;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
 
@@ -27,9 +26,8 @@
 
 import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.views.BaseDragLayer;
-import com.android.quickstep.OverviewCallbacks;
+import com.android.quickstep.ActivityControlHelper;
 import com.android.systemui.shared.system.ActivityManagerWrapper;
 import com.android.systemui.shared.system.InputMonitorCompat;
 
@@ -42,6 +40,7 @@
         implements InputConsumer {
 
     private final T mActivity;
+    private final ActivityControlHelper<T> mActivityControlHelper;
     private final BaseDragLayer mTarget;
     private final InputMonitorCompat mInputMonitor;
 
@@ -53,10 +52,12 @@
     private boolean mTargetHandledTouch;
 
     public OverviewInputConsumer(T activity, @Nullable InputMonitorCompat inputMonitor,
-            boolean startingInActivityBounds) {
+            boolean startingInActivityBounds,
+            ActivityControlHelper<T> activityControlHelper) {
         mActivity = activity;
         mInputMonitor = inputMonitor;
         mStartingInActivityBounds = startingInActivityBounds;
+        mActivityControlHelper = activityControlHelper;
 
         mTarget = activity.getDragLayer();
         if (startingInActivityBounds) {
@@ -98,7 +99,7 @@
         if (!mTargetHandledTouch && handled) {
             mTargetHandledTouch = true;
             if (!mStartingInActivityBounds) {
-                OverviewCallbacks.get(mActivity).closeAllWindows();
+                mActivityControlHelper.closeOverlay();
                 ActivityManagerWrapper.getInstance()
                         .closeSystemWindows(CLOSE_SYSTEM_WINDOWS_REASON_RECENTS);
                 TOUCH_INTERACTION_LOG.addLog("startQuickstep");
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OverviewWithoutFocusInputConsumer.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OverviewWithoutFocusInputConsumer.java
index 05cbb78..e11d492 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OverviewWithoutFocusInputConsumer.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OverviewWithoutFocusInputConsumer.java
@@ -34,10 +34,9 @@
 import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.logging.StatsLogUtils;
-import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Action.Direction;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Action.Touch;
-import com.android.quickstep.OverviewCallbacks;
+import com.android.quickstep.ActivityControlHelper;
 import com.android.quickstep.util.NavBarPosition;
 import com.android.systemui.shared.system.ActivityManagerWrapper;
 import com.android.systemui.shared.system.InputMonitorCompat;
@@ -50,16 +49,17 @@
     private final float mSquaredTouchSlop;
     private final Context mContext;
     private final NavBarPosition mNavBarPosition;
+    private final ActivityControlHelper mActivityControlHelper;
 
     private boolean mInterceptedTouch;
     private VelocityTracker mVelocityTracker;
 
-
     public OverviewWithoutFocusInputConsumer(Context context, InputMonitorCompat inputMonitor,
-            boolean disableHorizontalSwipe) {
+            ActivityControlHelper activityControlHelper, boolean disableHorizontalSwipe) {
         mInputMonitor = inputMonitor;
         mDisableHorizontalSwipe = disableHorizontalSwipe;
         mContext = context;
+        mActivityControlHelper = activityControlHelper;
         mSquaredTouchSlop = Utilities.squaredTouchSlop(context);
         mNavBarPosition = new NavBarPosition(context);
 
@@ -148,7 +148,7 @@
         }
 
         if (triggerQuickstep) {
-            OverviewCallbacks.get(mContext).closeAllWindows();
+            mActivityControlHelper.closeOverlay();
             ActivityManagerWrapper.getInstance()
                     .closeSystemWindows(CLOSE_SYSTEM_WINDOWS_REASON_RECENTS);
             TOUCH_INTERACTION_LOG.addLog("startQuickstep");
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/util/RecentsAnimationListenerSet.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/util/RecentsAnimationListenerSet.java
index b1999d7..71ad8ba 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/util/RecentsAnimationListenerSet.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/util/RecentsAnimationListenerSet.java
@@ -20,6 +20,7 @@
 import android.graphics.Rect;
 import android.util.ArraySet;
 
+import androidx.annotation.BinderThread;
 import androidx.annotation.UiThread;
 
 import com.android.launcher3.Utilities;
@@ -70,14 +71,16 @@
         mListeners.remove(listener);
     }
 
-    @Override
+    // Called only in R+ platform
+    @BinderThread
     public final void onAnimationStart(RecentsAnimationControllerCompat controller,
-            RemoteAnimationTargetCompat[] targets, Rect homeContentInsets,
-            Rect minimizedHomeBounds) {
+            RemoteAnimationTargetCompat[] appTargets,
+            RemoteAnimationTargetCompat[] wallpaperTargets,
+            Rect homeContentInsets, Rect minimizedHomeBounds) {
         mController = controller;
-        SwipeAnimationTargetSet targetSet = new SwipeAnimationTargetSet(controller, targets,
-                homeContentInsets, minimizedHomeBounds, mShouldMinimizeSplitScreen,
-                mOnFinishListener);
+        SwipeAnimationTargetSet targetSet = new SwipeAnimationTargetSet(controller, appTargets,
+                wallpaperTargets, homeContentInsets, minimizedHomeBounds,
+                mShouldMinimizeSplitScreen, mOnFinishListener);
 
         if (mCancelled) {
             targetSet.cancelAnimation();
@@ -90,6 +93,17 @@
         }
     }
 
+    // Called only in Q platform
+    @BinderThread
+    @Deprecated
+    public final void onAnimationStart(RecentsAnimationControllerCompat controller,
+            RemoteAnimationTargetCompat[] appTargets, Rect homeContentInsets,
+            Rect minimizedHomeBounds) {
+        onAnimationStart(controller, appTargets, new RemoteAnimationTargetCompat[0],
+                homeContentInsets, minimizedHomeBounds);
+    }
+
+    @BinderThread
     @Override
     public final void onAnimationCanceled(ThumbnailData thumbnailData) {
         Utilities.postAsyncCallback(MAIN_EXECUTOR.getHandler(), () -> {
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/util/SwipeAnimationTargetSet.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/util/SwipeAnimationTargetSet.java
index 3619d3a..3da6b78 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/util/SwipeAnimationTargetSet.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/util/SwipeAnimationTargetSet.java
@@ -41,10 +41,10 @@
     public final Rect minimizedHomeBounds;
 
     public SwipeAnimationTargetSet(RecentsAnimationControllerCompat controller,
-            RemoteAnimationTargetCompat[] targets, Rect homeContentInsets,
-            Rect minimizedHomeBounds, boolean shouldMinimizeSplitScreen,
+            RemoteAnimationTargetCompat[] apps, RemoteAnimationTargetCompat[] wallpapers,
+            Rect homeContentInsets, Rect minimizedHomeBounds, boolean shouldMinimizeSplitScreen,
             Consumer<SwipeAnimationTargetSet> onFinishListener) {
-        super(targets, MODE_CLOSING);
+        super(apps, wallpapers, MODE_CLOSING);
         this.controller = controller;
         this.homeContentInsets = homeContentInsets;
         this.minimizedHomeBounds = minimizedHomeBounds;
@@ -62,8 +62,8 @@
      */
     public SwipeAnimationTargetSet cloneWithoutTargets() {
         return new SwipeAnimationTargetSet(controller, new RemoteAnimationTargetCompat[0],
-                homeContentInsets, minimizedHomeBounds, mShouldMinimizeSplitScreen,
-                mOnFinishListener);
+                new RemoteAnimationTargetCompat[0], homeContentInsets, minimizedHomeBounds,
+                mShouldMinimizeSplitScreen, mOnFinishListener);
     }
 
     public void finishController(boolean toRecents, Runnable callback, boolean sendUserLeaveHint) {
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/LauncherRecentsView.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/LauncherRecentsView.java
index b601834..0f9fc17 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/LauncherRecentsView.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/LauncherRecentsView.java
@@ -45,6 +45,7 @@
 import com.android.launcher3.anim.Interpolators;
 import com.android.launcher3.appprediction.PredictionUiStateManager;
 import com.android.launcher3.appprediction.PredictionUiStateManager.Client;
+import com.android.launcher3.uioverrides.DejankBinderTracker;
 import com.android.launcher3.views.ScrimView;
 import com.android.quickstep.SysUINavigationMode;
 import com.android.quickstep.util.ClipAnimationHelper;
@@ -193,7 +194,7 @@
 
     @Override
     public boolean shouldUseMultiWindowTaskSizeStrategy() {
-        return mActivity.isInMultiWindowMode();
+        return DejankBinderTracker.whitelistIpcs(() -> mActivity.isInMultiWindowMode());
     }
 
     @Override
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 044292a..5799c01 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
@@ -45,7 +45,6 @@
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
 import com.android.launcher3.util.SystemUiController;
 import com.android.launcher3.util.Themes;
@@ -152,7 +151,6 @@
             mPaint.setShader(null);
             mOverlay.reset();
         }
-
         if (mOverviewScreenshotActionsPlugin != null) {
             mOverviewScreenshotActionsPlugin
                 .setupActions((ViewGroup) getTaskView(), getThumbnail(), mActivity);
@@ -345,8 +343,7 @@
                 final Configuration configuration =
                         getContext().getResources().getConfiguration();
                 // Rotate the screenshot if not in multi-window mode
-                isRotated = FeatureFlags.OVERVIEW_USE_SCREENSHOT_ORIENTATION &&
-                        configuration.orientation != mThumbnailData.orientation &&
+                isRotated = configuration.orientation != mThumbnailData.orientation &&
                         !mActivity.isInMultiWindowMode() &&
                         mThumbnailData.windowingMode == WINDOWING_MODE_FULLSCREEN;
                 // Scale the screenshot to always fit the width of the card.
diff --git a/quickstep/res/values/config.xml b/quickstep/res/values/config.xml
index 5c4d6d8..98aaceb 100644
--- a/quickstep/res/values/config.xml
+++ b/quickstep/res/values/config.xml
@@ -16,8 +16,6 @@
 <resources>
     <string name="task_overlay_factory_class" translatable="false"></string>
 
-    <string name="overview_callbacks_class" translatable="false"></string>
-
     <!-- Activity which blocks home gesture -->
     <string name="gesture_blocking_activity" translatable="false"></string>
 
diff --git a/quickstep/src/com/android/launcher3/LauncherAnimationRunner.java b/quickstep/src/com/android/launcher3/LauncherAnimationRunner.java
index a8e2956..96ac489 100644
--- a/quickstep/src/com/android/launcher3/LauncherAnimationRunner.java
+++ b/quickstep/src/com/android/launcher3/LauncherAnimationRunner.java
@@ -17,8 +17,7 @@
 
 import static com.android.launcher3.Utilities.postAsyncCallback;
 import static com.android.launcher3.util.DefaultDisplay.getSingleFrameMs;
-import static com.android.systemui.shared.recents.utilities.Utilities
-        .postAtFrontOfQueueAsynchronously;
+import static com.android.systemui.shared.recents.utilities.Utilities.postAtFrontOfQueueAsynchronously;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
@@ -28,12 +27,12 @@
 import android.os.Build;
 import android.os.Handler;
 
-import com.android.systemui.shared.system.RemoteAnimationRunnerCompat;
-import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
-
 import androidx.annotation.BinderThread;
 import androidx.annotation.UiThread;
 
+import com.android.systemui.shared.system.RemoteAnimationRunnerCompat;
+import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
+
 @TargetApi(Build.VERSION_CODES.P)
 public abstract class LauncherAnimationRunner implements RemoteAnimationRunnerCompat {
 
@@ -50,13 +49,14 @@
         mStartAtFrontOfQueue = startAtFrontOfQueue;
     }
 
+    // Called only in R+ platform
     @BinderThread
-    @Override
-    public void onAnimationStart(RemoteAnimationTargetCompat[] targetCompats, Runnable runnable) {
+    public void onAnimationStart(RemoteAnimationTargetCompat[] appTargets,
+            RemoteAnimationTargetCompat[] wallpaperTargets, Runnable runnable) {
         Runnable r = () -> {
             finishExistingAnimation();
             mAnimationResult = new AnimationResult(runnable);
-            onCreateAnimation(targetCompats, mAnimationResult);
+            onCreateAnimation(appTargets, wallpaperTargets, mAnimationResult);
         };
         if (mStartAtFrontOfQueue) {
             postAtFrontOfQueueAsynchronously(mHandler, r);
@@ -65,13 +65,21 @@
         }
     }
 
+    // Called only in Q platform
+    @BinderThread
+    @Deprecated
+    public void onAnimationStart(RemoteAnimationTargetCompat[] appTargets, Runnable runnable) {
+        onAnimationStart(appTargets, new RemoteAnimationTargetCompat[0], runnable);
+    }
+
     /**
      * Called on the UI thread when the animation targets are received. The implementation must
      * call {@link AnimationResult#setAnimation} with the target animation to be run.
      */
     @UiThread
     public abstract void onCreateAnimation(
-            RemoteAnimationTargetCompat[] targetCompats, AnimationResult result);
+            RemoteAnimationTargetCompat[] appTargets,
+            RemoteAnimationTargetCompat[] wallpaperTargets, AnimationResult result);
 
     @UiThread
     private void finishExistingAnimation() {
diff --git a/quickstep/src/com/android/launcher3/LauncherInitListener.java b/quickstep/src/com/android/launcher3/LauncherInitListener.java
index b9ce1ce..663b125 100644
--- a/quickstep/src/com/android/launcher3/LauncherInitListener.java
+++ b/quickstep/src/com/android/launcher3/LauncherInitListener.java
@@ -19,30 +19,25 @@
 import android.content.Context;
 import android.content.Intent;
 import android.os.Build;
-import android.os.Bundle;
 import android.os.CancellationSignal;
 import android.os.Handler;
 
-import com.android.launcher3.states.InternalStateHandler;
-import com.android.quickstep.ActivityControlHelper.ActivityInitListener;
-import com.android.quickstep.OverviewCallbacks;
+import com.android.quickstep.util.ActivityInitListener;
 import com.android.quickstep.util.RemoteAnimationProvider;
 
 import java.util.function.BiPredicate;
 
 @TargetApi(Build.VERSION_CODES.P)
-public class LauncherInitListener extends InternalStateHandler implements ActivityInitListener {
-
-    private final BiPredicate<Launcher, Boolean> mOnInitListener;
+public class LauncherInitListener extends ActivityInitListener<Launcher> {
 
     private RemoteAnimationProvider mRemoteAnimationProvider;
 
     public LauncherInitListener(BiPredicate<Launcher, Boolean> onInitListener) {
-        mOnInitListener = onInitListener;
+        super(onInitListener, Launcher.ACTIVITY_TRACKER);
     }
 
     @Override
-    protected boolean init(Launcher launcher, boolean alreadyOnHome) {
+    public boolean init(Launcher launcher, boolean alreadyOnHome) {
         if (mRemoteAnimationProvider != null) {
             QuickstepAppTransitionManagerImpl appTransitionManager =
                     (QuickstepAppTransitionManagerImpl) launcher.getAppTransitionManager();
@@ -50,7 +45,7 @@
             // Set a one-time animation provider. After the first call, this will get cleared.
             // TODO: Probably also check the intended target id.
             CancellationSignal cancellationSignal = new CancellationSignal();
-            appTransitionManager.setRemoteAnimationProvider((targets) -> {
+            appTransitionManager.setRemoteAnimationProvider((appTargets, wallpaperTargets) -> {
 
                 // On the first call clear the reference.
                 cancellationSignal.cancel();
@@ -58,34 +53,25 @@
                 mRemoteAnimationProvider = null;
 
                 if (provider != null && launcher.getStateManager().getState().overviewUi) {
-                    return provider.createWindowAnimation(targets);
+                    return provider.createWindowAnimation(appTargets, wallpaperTargets);
                 }
                 return null;
             }, cancellationSignal);
         }
-        OverviewCallbacks.get(launcher).onInitOverviewTransition();
-        return mOnInitListener.test(launcher, alreadyOnHome);
-    }
-
-    @Override
-    public void register() {
-        initWhenReady();
+        launcher.deferOverlayCallbacksUntilNextResumeOrStop();
+        return super.init(launcher, alreadyOnHome);
     }
 
     @Override
     public void unregister() {
         mRemoteAnimationProvider = null;
-        clearReference();
+        super.unregister();
     }
 
     @Override
     public void registerAndStartActivity(Intent intent, RemoteAnimationProvider animProvider,
             Context context, Handler handler, long duration) {
         mRemoteAnimationProvider = animProvider;
-
-        register();
-
-        Bundle options = animProvider.toActivityOptions(handler, duration, context).toBundle();
-        context.startActivity(addToIntent(new Intent((intent))), options);
+        super.registerAndStartActivity(intent, animProvider, context, handler, duration);
     }
 }
diff --git a/quickstep/src/com/android/launcher3/QuickstepAppTransitionManagerImpl.java b/quickstep/src/com/android/launcher3/QuickstepAppTransitionManagerImpl.java
index 991408c..7cd8786 100644
--- a/quickstep/src/com/android/launcher3/QuickstepAppTransitionManagerImpl.java
+++ b/quickstep/src/com/android/launcher3/QuickstepAppTransitionManagerImpl.java
@@ -57,6 +57,9 @@
 import android.util.Pair;
 import android.view.View;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
 import com.android.launcher3.DeviceProfile.OnDeviceProfileChangeListener;
 import com.android.launcher3.allapps.AllAppsTransitionController;
 import com.android.launcher3.anim.Interpolators;
@@ -80,9 +83,6 @@
 import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams;
 import com.android.systemui.shared.system.WindowManagerWrapper;
 
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-
 /**
  * {@link LauncherAppTransitionManager} with Quickstep-specific app transitions for launching from
  * home and/or all-apps.
@@ -202,17 +202,19 @@
                     true /* startAtFrontOfQueue */) {
 
                 @Override
-                public void onCreateAnimation(RemoteAnimationTargetCompat[] targetCompats,
-                        AnimationResult result) {
+                public void onCreateAnimation(RemoteAnimationTargetCompat[] appTargets,
+                        RemoteAnimationTargetCompat[] wallpaperTargets, AnimationResult result) {
                     AnimatorSet anim = new AnimatorSet();
 
                     boolean launcherClosing =
-                            launcherIsATargetWithMode(targetCompats, MODE_CLOSING);
+                            launcherIsATargetWithMode(appTargets, MODE_CLOSING);
 
-                    if (isLaunchingFromRecents(v, targetCompats)) {
-                        composeRecentsLaunchAnimator(anim, v, targetCompats, launcherClosing);
+                    if (isLaunchingFromRecents(v, appTargets)) {
+                        composeRecentsLaunchAnimator(anim, v, appTargets, wallpaperTargets,
+                                launcherClosing);
                     } else {
-                        composeIconLaunchAnimator(anim, v, targetCompats, launcherClosing);
+                        composeIconLaunchAnimator(anim, v, appTargets, wallpaperTargets,
+                                launcherClosing);
                     }
 
                     if (launcherClosing) {
@@ -255,36 +257,39 @@
      *
      * @param anim the animator set to add to
      * @param v the launching view
-     * @param targets the apps that are opening/closing
+     * @param appTargets the apps that are opening/closing
      * @param launcherClosing true if the launcher app is closing
      */
     protected abstract void composeRecentsLaunchAnimator(@NonNull AnimatorSet anim, @NonNull View v,
-            @NonNull RemoteAnimationTargetCompat[] targets, boolean launcherClosing);
+            @NonNull RemoteAnimationTargetCompat[] appTargets,
+            @NonNull RemoteAnimationTargetCompat[] wallpaperTargets, boolean launcherClosing);
 
     /**
      * Compose the animations for a launch from the app icon.
      *
      * @param anim the animation to add to
      * @param v the launching view with the icon
-     * @param targets the list of opening/closing apps
+     * @param appTargets the list of opening/closing apps
      * @param launcherClosing true if launcher is closing
      */
     private void composeIconLaunchAnimator(@NonNull AnimatorSet anim, @NonNull View v,
-            @NonNull RemoteAnimationTargetCompat[] targets, boolean launcherClosing) {
+            @NonNull RemoteAnimationTargetCompat[] appTargets,
+            @NonNull RemoteAnimationTargetCompat[] wallpaperTargets,
+            boolean launcherClosing) {
         // Set the state animation first so that any state listeners are called
         // before our internal listeners.
         mLauncher.getStateManager().setCurrentAnimation(anim);
 
-        Rect windowTargetBounds = getWindowTargetBounds(targets);
+        Rect windowTargetBounds = getWindowTargetBounds(appTargets);
         boolean isAllOpeningTargetTrs = true;
-        for (int i = 0; i < targets.length; i++) {
-            RemoteAnimationTargetCompat target = targets[i];
+        for (int i = 0; i < appTargets.length; i++) {
+            RemoteAnimationTargetCompat target = appTargets[i];
             if (target.mode == MODE_OPENING) {
                 isAllOpeningTargetTrs &= target.isTranslucent;
             }
             if (!isAllOpeningTargetTrs) break;
         }
-        anim.play(getOpeningWindowAnimators(v, targets, windowTargetBounds,
+        anim.play(getOpeningWindowAnimators(v, appTargets, wallpaperTargets, windowTargetBounds,
                 !isAllOpeningTargetTrs));
         if (launcherClosing) {
             Pair<AnimatorSet, Runnable> launcherContentAnimator =
@@ -305,10 +310,10 @@
      * In multiwindow mode, we need to get the final size of the opening app window target to help
      * figure out where the floating view should animate to.
      */
-    private Rect getWindowTargetBounds(RemoteAnimationTargetCompat[] targets) {
+    private Rect getWindowTargetBounds(RemoteAnimationTargetCompat[] appTargets) {
         Rect bounds = new Rect(0, 0, mDeviceProfile.widthPx, mDeviceProfile.heightPx);
         if (mLauncher.isInMultiWindowMode()) {
-            for (RemoteAnimationTargetCompat target : targets) {
+            for (RemoteAnimationTargetCompat target : appTargets) {
                 if (target.mode == MODE_OPENING) {
                     bounds.set(target.sourceContainerBounds);
                     bounds.offsetTo(target.position.x, target.position.y);
@@ -418,7 +423,9 @@
     /**
      * @return Animator that controls the window of the opening targets.
      */
-    private ValueAnimator getOpeningWindowAnimators(View v, RemoteAnimationTargetCompat[] targets,
+    private ValueAnimator getOpeningWindowAnimators(View v,
+            RemoteAnimationTargetCompat[] appTargets,
+            RemoteAnimationTargetCompat[] wallpaperTargets,
             Rect windowTargetBounds, boolean toggleVisibility) {
         RectF bounds = new RectF();
         FloatingIconView floatingView = FloatingIconView.getFloatingIconView(mLauncher, v,
@@ -426,8 +433,8 @@
         Rect crop = new Rect();
         Matrix matrix = new Matrix();
 
-        RemoteAnimationTargetSet openingTargets = new RemoteAnimationTargetSet(targets,
-                MODE_OPENING);
+        RemoteAnimationTargetSet openingTargets = new RemoteAnimationTargetSet(appTargets,
+                wallpaperTargets, MODE_OPENING);
         SyncRtSurfaceTransactionApplierCompat surfaceApplier =
                 new SyncRtSurfaceTransactionApplierCompat(floatingView);
         openingTargets.addDependentTransactionApplier(surfaceApplier);
@@ -551,9 +558,9 @@
 
                 float croppedHeight = (windowTargetBounds.height() - crop.height()) * scale;
                 float croppedWidth = (windowTargetBounds.width() - crop.width()) * scale;
-                SurfaceParams[] params = new SurfaceParams[targets.length];
-                for (int i = targets.length - 1; i >= 0; i--) {
-                    RemoteAnimationTargetCompat target = targets[i];
+                SurfaceParams[] params = new SurfaceParams[appTargets.length];
+                for (int i = appTargets.length - 1; i >= 0; i--) {
+                    RemoteAnimationTargetCompat target = appTargets[i];
                     Rect targetCrop;
                     final float alpha;
                     final float cornerRadius;
@@ -619,7 +626,8 @@
     /**
      * Animator that controls the transformations of the windows when unlocking the device.
      */
-    private Animator getUnlockWindowAnimator(RemoteAnimationTargetCompat[] targets) {
+    private Animator getUnlockWindowAnimator(RemoteAnimationTargetCompat[] appTargets,
+            RemoteAnimationTargetCompat[] wallpaperTargets) {
         SyncRtSurfaceTransactionApplierCompat surfaceApplier =
                 new SyncRtSurfaceTransactionApplierCompat(mDragLayer);
         ValueAnimator unlockAnimator = ValueAnimator.ofFloat(0, 1);
@@ -629,9 +637,9 @@
         unlockAnimator.addListener(new AnimatorListenerAdapter() {
             @Override
             public void onAnimationStart(Animator animation) {
-                SurfaceParams[] params = new SurfaceParams[targets.length];
-                for (int i = targets.length - 1; i >= 0; i--) {
-                    RemoteAnimationTargetCompat target = targets[i];
+                SurfaceParams[] params = new SurfaceParams[appTargets.length];
+                for (int i = appTargets.length - 1; i >= 0; i--) {
+                    RemoteAnimationTargetCompat target = appTargets[i];
                     params[i] = new SurfaceParams(target.leash, 1f, null,
                             target.sourceContainerBounds,
                             RemoteAnimationProvider.getLayer(target, MODE_OPENING), cornerRadius);
@@ -645,7 +653,8 @@
     /**
      * Animator that controls the transformations of the windows the targets that are closing.
      */
-    private Animator getClosingWindowAnimators(RemoteAnimationTargetCompat[] targets) {
+    private Animator getClosingWindowAnimators(RemoteAnimationTargetCompat[] appTargets,
+            RemoteAnimationTargetCompat[] wallpaperTargets) {
         SyncRtSurfaceTransactionApplierCompat surfaceApplier =
                 new SyncRtSurfaceTransactionApplierCompat(mDragLayer);
         Matrix matrix = new Matrix();
@@ -661,9 +670,9 @@
 
             @Override
             public void onUpdate(float percent) {
-                SurfaceParams[] params = new SurfaceParams[targets.length];
-                for (int i = targets.length - 1; i >= 0; i--) {
-                    RemoteAnimationTargetCompat target = targets[i];
+                SurfaceParams[] params = new SurfaceParams[appTargets.length];
+                for (int i = appTargets.length - 1; i >= 0; i--) {
+                    RemoteAnimationTargetCompat target = appTargets[i];
                     final float alpha;
                     final float cornerRadius;
                     if (target.mode == MODE_CLOSING) {
@@ -764,13 +773,21 @@
         }
 
         @Override
-        public void onCreateAnimation(RemoteAnimationTargetCompat[] targetCompats,
+        public void onCreateAnimation(RemoteAnimationTargetCompat[] appTargets,
+                RemoteAnimationTargetCompat[] wallpaperTargets,
                 LauncherAnimationRunner.AnimationResult result) {
+            if (mLauncher.isDestroyed()) {
+                AnimatorSet anim = new AnimatorSet();
+                anim.play(getClosingWindowAnimators(appTargets, wallpaperTargets));
+                result.setAnimation(anim, mLauncher.getApplicationContext());
+                return;
+            }
+
             if (!mLauncher.hasBeenResumed()) {
                 // If launcher is not resumed, wait until new async-frame after resume
                 mLauncher.addOnResumeCallback(() ->
                         postAsyncCallback(mHandler, () ->
-                                onCreateAnimation(targetCompats, result)));
+                                onCreateAnimation(appTargets, wallpaperTargets, result)));
                 return;
             }
 
@@ -782,14 +799,14 @@
             AnimatorSet anim = null;
             RemoteAnimationProvider provider = mRemoteAnimationProvider;
             if (provider != null) {
-                anim = provider.createWindowAnimation(targetCompats);
+                anim = provider.createWindowAnimation(appTargets, wallpaperTargets);
             }
 
             if (anim == null) {
                 anim = new AnimatorSet();
                 anim.play(mFromUnlock
-                        ? getUnlockWindowAnimator(targetCompats)
-                        : getClosingWindowAnimators(targetCompats));
+                        ? getUnlockWindowAnimator(appTargets, wallpaperTargets)
+                        : getClosingWindowAnimators(appTargets, wallpaperTargets));
 
                 // Normally, we run the launcher content animation when we are transitioning
                 // home, but if home is already visible, then we don't want to animate the
@@ -799,7 +816,7 @@
                 // targets list because it is already visible). In that case, we force
                 // invisibility on touch down, and only reset it after the animation to home
                 // is initialized.
-                if (launcherIsATargetWithMode(targetCompats, MODE_OPENING)
+                if (launcherIsATargetWithMode(appTargets, MODE_OPENING)
                         || mLauncher.isForceInvisible()) {
                     // Only register the content animation for cancellation when state changes
                     mLauncher.getStateManager().setCurrentAnimation(anim);
diff --git a/quickstep/src/com/android/launcher3/uioverrides/DejankBinderTracker.java b/quickstep/src/com/android/launcher3/uioverrides/DejankBinderTracker.java
new file mode 100644
index 0000000..d8aa235
--- /dev/null
+++ b/quickstep/src/com/android/launcher3/uioverrides/DejankBinderTracker.java
@@ -0,0 +1,159 @@
+/**
+ * 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 android.os.IBinder.FLAG_ONEWAY;
+
+import android.os.Binder;
+import android.os.Build;
+import android.os.IBinder;
+import android.os.Looper;
+import android.os.RemoteException;
+import android.util.Log;
+
+import androidx.annotation.MainThread;
+
+import java.util.HashSet;
+import java.util.Locale;
+import java.util.function.BiConsumer;
+import java.util.function.Supplier;
+
+/**
+ * A binder proxy transaction listener for tracking non-whitelisted binder calls.
+ */
+public class DejankBinderTracker implements Binder.ProxyTransactListener {
+    private static final String TAG = "DejankBinderTracker";
+
+    private static final Object sLock = new Object();
+    private static final HashSet<String> sWhitelistedFrameworkClasses = new HashSet<>();
+    static {
+        // Common IPCs that are ok to block the main thread.
+        sWhitelistedFrameworkClasses.add("android.view.IWindowSession");
+        sWhitelistedFrameworkClasses.add("android.os.IPowerManager");
+    }
+    private static boolean sTemporarilyIgnoreTracking = false;
+
+    // Used by the client to limit binder tracking to specific regions
+    private static boolean sTrackingAllowed = false;
+
+    private BiConsumer<String, Integer> mUnexpectedTransactionCallback;
+    private boolean mIsTracking = false;
+
+    /**
+     * Temporarily ignore blocking binder calls for the duration of this {@link Runnable}.
+     */
+    @MainThread
+    public static void whitelistIpcs(Runnable runnable) {
+        sTemporarilyIgnoreTracking = true;
+        runnable.run();
+        sTemporarilyIgnoreTracking = false;
+    }
+
+    /**
+     * Temporarily ignore blocking binder calls for the duration of this {@link Supplier}.
+     */
+    @MainThread
+    public static <T> T whitelistIpcs(Supplier<T> supplier) {
+        sTemporarilyIgnoreTracking = true;
+        T value = supplier.get();
+        sTemporarilyIgnoreTracking = false;
+        return value;
+    }
+
+    /**
+     * Enables binder tracking during a test.
+     */
+    @MainThread
+    public static void allowBinderTrackingInTests() {
+        sTrackingAllowed = true;
+    }
+
+    /**
+     * Disables binder tracking during a test.
+     */
+    @MainThread
+    public static void disallowBinderTrackingInTests() {
+        sTrackingAllowed = false;
+    }
+
+    public DejankBinderTracker(BiConsumer<String, Integer> unexpectedTransactionCallback) {
+        mUnexpectedTransactionCallback = unexpectedTransactionCallback;
+    }
+
+    @MainThread
+    public void startTracking() {
+        if (!Build.TYPE.toLowerCase(Locale.ROOT).contains("debug")
+                && !Build.TYPE.toLowerCase(Locale.ROOT).equals("eng")) {
+            Log.wtf(TAG, "Unexpected use of binder tracker in non-debug build", new Exception());
+            return;
+        }
+        if (mIsTracking) {
+            return;
+        }
+        mIsTracking = true;
+        Binder.setProxyTransactListener(this);
+    }
+
+    @MainThread
+    public void stopTracking() {
+        if (!mIsTracking) {
+            return;
+        }
+        mIsTracking = false;
+        Binder.setProxyTransactListener(null);
+    }
+
+    // Override the hidden Binder#onTransactStarted method
+    public synchronized Object onTransactStarted(IBinder binder, int transactionCode, int flags) {
+        if (!mIsTracking
+                || !sTrackingAllowed
+                || sTemporarilyIgnoreTracking
+                || (flags & FLAG_ONEWAY) == FLAG_ONEWAY
+                || !isMainThread()) {
+            return null;
+        }
+
+        String descriptor;
+        try {
+            descriptor = binder.getInterfaceDescriptor();
+            if (sWhitelistedFrameworkClasses.contains(descriptor)) {
+                return null;
+            }
+        } catch (RemoteException e) {
+            e.printStackTrace();
+            descriptor = binder.getClass().getSimpleName();
+        }
+
+        mUnexpectedTransactionCallback.accept(descriptor, transactionCode);
+        return null;
+    }
+
+    @Override
+    public Object onTransactStarted(IBinder binder, int transactionCode) {
+        // Do nothing
+        return null;
+    }
+
+    @Override
+    public void onTransactEnded(Object session) {
+        // Do nothing
+    }
+
+    public static boolean isMainThread() {
+        return Thread.currentThread() == Looper.getMainLooper().getThread();
+    }
+}
diff --git a/quickstep/src/com/android/launcher3/uioverrides/TogglableFlag.java b/quickstep/src/com/android/launcher3/uioverrides/TogglableFlag.java
index 853a1c6..27d81ef 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/TogglableFlag.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/TogglableFlag.java
@@ -18,7 +18,8 @@
 
 import android.content.Context;
 import android.provider.DeviceConfig;
-import com.android.launcher3.config.BaseFlags.BaseTogglableFlag;
+
+import com.android.launcher3.config.FeatureFlags.BaseTogglableFlag;
 
 public class TogglableFlag extends BaseTogglableFlag {
     public static final String NAMESPACE_LAUNCHER = "launcher";
@@ -36,14 +37,14 @@
     @Override
     public void addChangeListener(Context context, Runnable r) {
         DeviceConfig.addOnPropertiesChangedListener(
-            NAMESPACE_LAUNCHER,
-            context.getMainExecutor(),
-            (properties) -> {
-                if (!NAMESPACE_LAUNCHER.equals(properties.getNamespace())) {
-                    return;
-                }
-                initialize(context);
-                r.run();
-            });
+                NAMESPACE_LAUNCHER,
+                context.getMainExecutor(),
+                (properties) -> {
+                    if (!NAMESPACE_LAUNCHER.equals(properties.getNamespace())) {
+                        return;
+                    }
+                    initialize(context);
+                    r.run();
+                });
     }
 }
diff --git a/quickstep/src/com/android/launcher3/uioverrides/UiFactory.java b/quickstep/src/com/android/launcher3/uioverrides/UiFactory.java
index c02df93..b0b5dcf 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/UiFactory.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/UiFactory.java
@@ -165,13 +165,14 @@
             CancellationSignal cancellationSignal) {
         QuickstepAppTransitionManagerImpl appTransitionManager =
                 (QuickstepAppTransitionManagerImpl) launcher.getAppTransitionManager();
-        appTransitionManager.setRemoteAnimationProvider((targets) -> {
+        appTransitionManager.setRemoteAnimationProvider((appTargets, wallpaperTargets) -> {
 
             // On the first call clear the reference.
             cancellationSignal.cancel();
 
             ValueAnimator fadeAnimation = ValueAnimator.ofFloat(1, 0);
-            fadeAnimation.addUpdateListener(new RemoteFadeOutAnimationListener(targets));
+            fadeAnimation.addUpdateListener(new RemoteFadeOutAnimationListener(appTargets,
+                    wallpaperTargets));
             AnimatorSet anim = new AnimatorSet();
             anim.play(fadeAnimation);
             return anim;
diff --git a/quickstep/src/com/android/quickstep/ActivityControlHelper.java b/quickstep/src/com/android/quickstep/ActivityControlHelper.java
index 5c9c7d4..2d4b136 100644
--- a/quickstep/src/com/android/quickstep/ActivityControlHelper.java
+++ b/quickstep/src/com/android/quickstep/ActivityControlHelper.java
@@ -17,12 +17,10 @@
 
 import android.annotation.TargetApi;
 import android.content.Context;
-import android.content.Intent;
 import android.graphics.Rect;
 import android.graphics.RectF;
 import android.graphics.Region;
 import android.os.Build;
-import android.os.Handler;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.animation.Interpolator;
@@ -34,7 +32,7 @@
 import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.anim.AnimatorPlaybackController;
-import com.android.quickstep.util.RemoteAnimationProvider;
+import com.android.quickstep.util.ActivityInitListener;
 import com.android.quickstep.util.RemoteAnimationTargetSet;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
 
@@ -97,15 +95,7 @@
 
     void onLaunchTaskSuccess(T activity);
 
-    interface ActivityInitListener {
-
-        void register();
-
-        void unregister();
-
-        void registerAndStartActivity(Intent intent, RemoteAnimationProvider animProvider,
-                Context context, Handler handler, long duration);
-    }
+    default void closeOverlay() { }
 
     interface AnimationFactory {
 
diff --git a/quickstep/src/com/android/quickstep/BaseRecentsActivity.java b/quickstep/src/com/android/quickstep/BaseRecentsActivity.java
index 1ac7ed4..71833ad 100644
--- a/quickstep/src/com/android/quickstep/BaseRecentsActivity.java
+++ b/quickstep/src/com/android/quickstep/BaseRecentsActivity.java
@@ -28,6 +28,7 @@
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.R;
 import com.android.launcher3.uioverrides.UiFactory;
+import com.android.launcher3.util.ActivityTracker;
 import com.android.launcher3.util.SystemUiController;
 import com.android.launcher3.util.Themes;
 
@@ -43,6 +44,7 @@
  */
 public abstract class BaseRecentsActivity extends BaseDraggingActivity {
 
+    public static ActivityTracker<BaseRecentsActivity> ACTIVITY_TRACKER = new ActivityTracker<>();
     private Configuration mOldConfig;
 
     @Override
@@ -55,7 +57,7 @@
 
         getSystemUiController().updateUiState(SystemUiController.UI_STATE_BASE_WINDOW,
                 Themes.getAttrBoolean(this, R.attr.isWorkspaceDarkText));
-        RecentsActivityTracker.onRecentsActivityCreate(this);
+        ACTIVITY_TRACKER.handleCreate((RecentsActivity) this);
     }
 
     /**
@@ -132,13 +134,13 @@
     @Override
     protected void onNewIntent(Intent intent) {
         super.onNewIntent(intent);
-        RecentsActivityTracker.onRecentsActivityNewIntent(this);
+        ACTIVITY_TRACKER.handleNewIntent(this, intent);
     }
 
     @Override
     protected void onDestroy() {
         super.onDestroy();
-        RecentsActivityTracker.onRecentsActivityDestroy(this);
+        ACTIVITY_TRACKER.onActivityDestroyed(this);
     }
 
     @Override
diff --git a/quickstep/src/com/android/quickstep/OverviewCallbacks.java b/quickstep/src/com/android/quickstep/OverviewCallbacks.java
deleted file mode 100644
index f5573ba..0000000
--- a/quickstep/src/com/android/quickstep/OverviewCallbacks.java
+++ /dev/null
@@ -1,43 +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.quickstep;
-
-import android.content.Context;
-
-import com.android.launcher3.R;
-import com.android.launcher3.util.Preconditions;
-import com.android.launcher3.util.ResourceBasedOverride;
-
-/**
- * Callbacks related to overview/quicksteps.
- */
-public class OverviewCallbacks implements ResourceBasedOverride {
-
-    private static OverviewCallbacks sInstance;
-
-    public static OverviewCallbacks get(Context context) {
-        Preconditions.assertUIThread();
-        if (sInstance == null) {
-            sInstance = Overrides.getObject(OverviewCallbacks.class,
-                    context.getApplicationContext(), R.string.overview_callbacks_class);
-        }
-        return sInstance;
-    }
-
-    public void onInitOverviewTransition() { }
-
-    public void closeAllWindows() { }
-}
diff --git a/quickstep/src/com/android/quickstep/RecentsActivityTracker.java b/quickstep/src/com/android/quickstep/RecentsActivityTracker.java
deleted file mode 100644
index 4d1d9ef..0000000
--- a/quickstep/src/com/android/quickstep/RecentsActivityTracker.java
+++ /dev/null
@@ -1,130 +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.quickstep;
-
-import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
-
-import android.annotation.TargetApi;
-import android.content.Context;
-import android.content.Intent;
-import android.os.Build;
-import android.os.Bundle;
-import android.os.Handler;
-
-import com.android.quickstep.ActivityControlHelper.ActivityInitListener;
-import com.android.quickstep.util.RemoteAnimationProvider;
-
-import java.lang.ref.WeakReference;
-import java.util.function.BiPredicate;
-
-/**
- * Utility class to track create/destroy for some {@link BaseRecentsActivity}.
- */
-@TargetApi(Build.VERSION_CODES.P)
-public class RecentsActivityTracker<T extends BaseRecentsActivity> implements ActivityInitListener {
-
-    private static WeakReference<BaseRecentsActivity> sCurrentActivity =
-            new WeakReference<>(null);
-    private static final Scheduler sScheduler = new Scheduler();
-
-    private final BiPredicate<T, Boolean> mOnInitListener;
-
-    public RecentsActivityTracker(BiPredicate<T, Boolean> onInitListener) {
-        mOnInitListener = onInitListener;
-    }
-
-    @Override
-    public void register() {
-        sScheduler.schedule(this);
-    }
-
-    @Override
-    public void unregister() {
-        sScheduler.clearReference(this);
-    }
-
-    private boolean init(T activity, boolean visible) {
-        return mOnInitListener.test(activity, visible);
-    }
-
-    public static <T extends BaseRecentsActivity> T getCurrentActivity() {
-        return (T) sCurrentActivity.get();
-    }
-
-    @Override
-    public void registerAndStartActivity(Intent intent, RemoteAnimationProvider animProvider,
-            Context context, Handler handler, long duration) {
-        register();
-
-        Bundle options = animProvider.toActivityOptions(handler, duration, context).toBundle();
-        context.startActivity(intent, options);
-    }
-
-    public static void onRecentsActivityCreate(BaseRecentsActivity activity) {
-        sCurrentActivity = new WeakReference<>(activity);
-        sScheduler.initIfPending(activity, false);
-    }
-
-
-    public static void onRecentsActivityNewIntent(BaseRecentsActivity activity) {
-        sScheduler.initIfPending(activity, activity.isStarted());
-    }
-
-    public static void onRecentsActivityDestroy(BaseRecentsActivity activity) {
-        if (sCurrentActivity.get() == activity) {
-            sCurrentActivity.clear();
-        }
-    }
-
-
-    private static class Scheduler implements Runnable {
-
-        private WeakReference<RecentsActivityTracker> mPendingTracker = new WeakReference<>(null);
-
-        public synchronized void schedule(RecentsActivityTracker tracker) {
-            mPendingTracker = new WeakReference<>(tracker);
-            MAIN_EXECUTOR.execute(this);
-        }
-
-        @Override
-        public void run() {
-            BaseRecentsActivity activity = sCurrentActivity.get();
-            if (activity != null) {
-                initIfPending(activity, activity.isStarted());
-            }
-        }
-
-        public synchronized boolean initIfPending(BaseRecentsActivity activity,
-                boolean alreadyOnHome) {
-            RecentsActivityTracker tracker = mPendingTracker.get();
-            if (tracker != null) {
-                if (!tracker.init(activity, alreadyOnHome)) {
-                    mPendingTracker.clear();
-                }
-                return true;
-            }
-            return false;
-        }
-
-        public synchronized boolean clearReference(RecentsActivityTracker tracker) {
-            if (mPendingTracker.get() == tracker) {
-                mPendingTracker.clear();
-                return true;
-            }
-            return false;
-        }
-    }
-}
diff --git a/quickstep/src/com/android/quickstep/util/ActivityInitListener.java b/quickstep/src/com/android/quickstep/util/ActivityInitListener.java
new file mode 100644
index 0000000..fe37d60
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/util/ActivityInitListener.java
@@ -0,0 +1,60 @@
+/*
+ * 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 android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.Handler;
+
+import com.android.launcher3.BaseActivity;
+import com.android.launcher3.util.ActivityTracker;
+import com.android.launcher3.util.ActivityTracker.SchedulerCallback;
+
+import java.util.function.BiPredicate;
+
+public class ActivityInitListener<T extends BaseActivity> implements SchedulerCallback<T> {
+
+    private final BiPredicate<T, Boolean> mOnInitListener;
+    private final ActivityTracker<T> mActivityTracker;
+
+    public ActivityInitListener(BiPredicate<T, Boolean> onInitListener,
+            ActivityTracker<T> tracker) {
+        mOnInitListener = onInitListener;
+        mActivityTracker = tracker;
+    }
+
+    @Override
+    public boolean init(T activity, boolean alreadyOnHome) {
+        return mOnInitListener.test(activity, alreadyOnHome);
+    }
+
+    public void register() {
+        mActivityTracker.schedule(this);
+    }
+
+    public void unregister() {
+        mActivityTracker.clearReference(this);
+    }
+
+    public void registerAndStartActivity(Intent intent, RemoteAnimationProvider animProvider,
+            Context context, Handler handler, long duration) {
+        register();
+
+        Bundle options = animProvider.toActivityOptions(handler, duration, context).toBundle();
+        context.startActivity(addToIntent(new Intent((intent))), options);
+    }
+}
diff --git a/quickstep/src/com/android/quickstep/util/RemoteAnimationProvider.java b/quickstep/src/com/android/quickstep/util/RemoteAnimationProvider.java
index 4503a43..6210fc2 100644
--- a/quickstep/src/com/android/quickstep/util/RemoteAnimationProvider.java
+++ b/quickstep/src/com/android/quickstep/util/RemoteAnimationProvider.java
@@ -31,16 +31,17 @@
 
     static final int Z_BOOST_BASE = 800570000;
 
-    AnimatorSet createWindowAnimation(RemoteAnimationTargetCompat[] targets);
+    AnimatorSet createWindowAnimation(RemoteAnimationTargetCompat[] appTargets,
+            RemoteAnimationTargetCompat[] wallpaperTargets);
 
     default ActivityOptions toActivityOptions(Handler handler, long duration, Context context) {
         LauncherAnimationRunner runner = new LauncherAnimationRunner(handler,
                 false /* startAtFrontOfQueue */) {
 
             @Override
-            public void onCreateAnimation(RemoteAnimationTargetCompat[] targetCompats,
-                    AnimationResult result) {
-                result.setAnimation(createWindowAnimation(targetCompats), context);
+            public void onCreateAnimation(RemoteAnimationTargetCompat[] appTargets,
+                    RemoteAnimationTargetCompat[] wallpaperTargets, AnimationResult result) {
+                result.setAnimation(createWindowAnimation(appTargets, wallpaperTargets), context);
             }
         };
         return ActivityOptionsCompat.makeRemoteAnimation(
diff --git a/quickstep/src/com/android/quickstep/util/RemoteAnimationTargetSet.java b/quickstep/src/com/android/quickstep/util/RemoteAnimationTargetSet.java
index 1229293..d769248 100644
--- a/quickstep/src/com/android/quickstep/util/RemoteAnimationTargetSet.java
+++ b/quickstep/src/com/android/quickstep/util/RemoteAnimationTargetSet.java
@@ -32,10 +32,12 @@
 
     public final RemoteAnimationTargetCompat[] unfilteredApps;
     public final RemoteAnimationTargetCompat[] apps;
+    public final RemoteAnimationTargetCompat[] wallpapers;
     public final int targetMode;
     public final boolean hasRecents;
 
-    public RemoteAnimationTargetSet(RemoteAnimationTargetCompat[] apps, int targetMode) {
+    public RemoteAnimationTargetSet(RemoteAnimationTargetCompat[] apps,
+            RemoteAnimationTargetCompat[] wallpapers, int targetMode) {
         ArrayList<RemoteAnimationTargetCompat> filteredApps = new ArrayList<>();
         boolean hasRecents = false;
         if (apps != null) {
@@ -51,6 +53,7 @@
 
         this.unfilteredApps = apps;
         this.apps = filteredApps.toArray(new RemoteAnimationTargetCompat[filteredApps.size()]);
+        this.wallpapers = wallpapers;
         this.targetMode = targetMode;
         this.hasRecents = hasRecents;
     }
diff --git a/quickstep/src/com/android/quickstep/util/RemoteFadeOutAnimationListener.java b/quickstep/src/com/android/quickstep/util/RemoteFadeOutAnimationListener.java
index 40dd74b..1d0851c 100644
--- a/quickstep/src/com/android/quickstep/util/RemoteFadeOutAnimationListener.java
+++ b/quickstep/src/com/android/quickstep/util/RemoteFadeOutAnimationListener.java
@@ -32,8 +32,9 @@
     private final RemoteAnimationTargetSet mTarget;
     private boolean mFirstFrame = true;
 
-    public RemoteFadeOutAnimationListener(RemoteAnimationTargetCompat[] targets) {
-        mTarget = new RemoteAnimationTargetSet(targets, MODE_CLOSING);
+    public RemoteFadeOutAnimationListener(RemoteAnimationTargetCompat[] appTargets,
+            RemoteAnimationTargetCompat[] wallpaperTargets) {
+        mTarget = new RemoteAnimationTargetSet(appTargets, wallpaperTargets, MODE_CLOSING);
     }
 
     @Override
diff --git a/quickstep/tests/src/com/android/quickstep/FallbackRecentsTest.java b/quickstep/tests/src/com/android/quickstep/FallbackRecentsTest.java
index 8c11c1c..fcbc314 100644
--- a/quickstep/tests/src/com/android/quickstep/FallbackRecentsTest.java
+++ b/quickstep/tests/src/com/android/quickstep/FallbackRecentsTest.java
@@ -22,11 +22,17 @@
 import static com.android.launcher3.tapl.LauncherInstrumentation.WAIT_TIME_MS;
 import static com.android.launcher3.tapl.TestHelpers.getHomeIntentInPackage;
 import static com.android.launcher3.tapl.TestHelpers.getLauncherInMyProcess;
+import static com.android.launcher3.ui.AbstractLauncherUiTest.DEFAULT_UI_TIMEOUT;
 import static com.android.launcher3.ui.AbstractLauncherUiTest.resolveSystemApp;
+import static com.android.launcher3.ui.AbstractLauncherUiTest.startAppFast;
+import static com.android.launcher3.ui.AbstractLauncherUiTest.startTestActivity;
+import static com.android.launcher3.ui.TaplTestsLauncher3.getAppPackageName;
+import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.launcher3.util.rule.ShellCommandRule.disableHeadsUpNotification;
 import static com.android.launcher3.util.rule.ShellCommandRule.getLauncherCommand;
-import static com.android.quickstep.NavigationModeSwitchRule.Mode.THREE_BUTTON;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 
 import android.app.Instrumentation;
@@ -41,11 +47,17 @@
 import androidx.test.uiautomator.UiDevice;
 import androidx.test.uiautomator.Until;
 
+import com.android.launcher3.Utilities;
+import com.android.launcher3.tapl.BaseOverview;
 import com.android.launcher3.tapl.LauncherInstrumentation;
+import com.android.launcher3.tapl.OverviewTask;
 import com.android.launcher3.tapl.TestHelpers;
 import com.android.launcher3.testcomponent.TestCommandReceiver;
+import com.android.launcher3.util.Wait;
 import com.android.launcher3.util.rule.FailureWatcher;
+import com.android.launcher3.util.rule.SimpleActivityRule;
 import com.android.quickstep.NavigationModeSwitchRule.NavigationModeSwitch;
+import com.android.quickstep.views.RecentsView;
 
 import org.junit.Rule;
 import org.junit.Test;
@@ -54,11 +66,11 @@
 import org.junit.runner.RunWith;
 import org.junit.runners.model.Statement;
 
+import java.util.function.Consumer;
+import java.util.function.Function;
+
 @LargeTest
 @RunWith(AndroidJUnit4.class)
-/**
- * TODO: Fix fallback when quickstep is enabled
- */
 public class FallbackRecentsTest {
 
     private final UiDevice mDevice;
@@ -74,6 +86,10 @@
     @Rule
     public final TestRule mOrderSensitiveRules;
 
+    @Rule
+    public final SimpleActivityRule<RecentsActivity> mActivityMonitor =
+            new SimpleActivityRule(RecentsActivity.class);
+
     public FallbackRecentsTest() throws RemoteException {
         Instrumentation instrumentation = getInstrumentation();
         Context context = instrumentation.getContext();
@@ -81,9 +97,12 @@
         mDevice.setOrientationNatural();
         mLauncher = new LauncherInstrumentation();
 
-        mOrderSensitiveRules = RuleChain.
-                outerRule(new NavigationModeSwitchRule(mLauncher)).
-                around(new FailureWatcher(mDevice));
+        if (TestHelpers.isInLauncherProcess()) {
+            Utilities.enableRunningInTestHarnessForTests();
+        }
+
+        mOrderSensitiveRules = RuleChain.outerRule(new NavigationModeSwitchRule(mLauncher))
+                        .around(new FailureWatcher(mDevice));
 
         mOtherLauncherActivity = context.getPackageManager().queryIntentActivities(
                 getHomeIntentInPackage(context),
@@ -111,7 +130,7 @@
         }
     }
 
-    @NavigationModeSwitch(mode = THREE_BUTTON)
+    @NavigationModeSwitch
     @Test
     public void goToOverviewFromHome() {
         mDevice.pressHome();
@@ -121,7 +140,7 @@
         mLauncher.getBackground().switchToOverview();
     }
 
-    @NavigationModeSwitch(mode = THREE_BUTTON)
+    @NavigationModeSwitch
     @Test
     public void goToOverviewFromApp() {
         startAppFast(resolveSystemApp(Intent.CATEGORY_APP_CALCULATOR));
@@ -129,15 +148,85 @@
         mLauncher.getBackground().switchToOverview();
     }
 
-    private void startAppFast(String packageName) {
-        final Instrumentation instrumentation = getInstrumentation();
-        final Intent intent = instrumentation.getContext().getPackageManager().
-                getLaunchIntentForPackage(packageName);
-        intent.addCategory(Intent.CATEGORY_LAUNCHER);
-        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-        instrumentation.getTargetContext().startActivity(intent);
-        assertTrue(packageName + " didn't start",
-                mDevice.wait(Until.hasObject(By.pkg(packageName).depth(0)), WAIT_TIME_MS));
+    protected void executeOnRecents(Consumer<RecentsActivity> f) {
+        getFromRecents(r -> {
+            f.accept(r);
+            return true;
+        });
     }
 
+    protected <T> T getFromRecents(Function<RecentsActivity, T> f) {
+        if (!TestHelpers.isInLauncherProcess()) return null;
+        Object[] result = new Object[1];
+        Wait.atMost("Failed to get from recents", () -> MAIN_EXECUTOR.submit(() -> {
+            RecentsActivity activity = mActivityMonitor.getActivity();
+            if (activity == null) {
+                return false;
+            }
+            result[0] = f.apply(activity);
+            return true;
+        }).get(), DEFAULT_UI_TIMEOUT);
+        return (T) result[0];
+    }
+
+    private BaseOverview pressHomeAndGoToOverview() {
+        mDevice.pressHome();
+        return mLauncher.getBackground().switchToOverview();
+    }
+
+    @NavigationModeSwitch
+    @Test
+    public void testOverview() {
+        startAppFast(getAppPackageName());
+        startAppFast(resolveSystemApp(Intent.CATEGORY_APP_CALCULATOR));
+        startTestActivity(2);
+
+        BaseOverview overview = mLauncher.getBackground().switchToOverview();
+        executeOnRecents(
+                recents -> assertTrue("Don't have at least 3 tasks", getTaskCount(recents) >= 3));
+
+        // Test flinging forward and backward.
+        overview.flingForward();
+        final Integer currentTaskAfterFlingForward = getFromRecents(this::getCurrentOverviewPage);
+        executeOnRecents(recents -> assertTrue("Current task in Overview is still 0",
+                currentTaskAfterFlingForward > 0));
+
+        overview.flingBackward();
+        executeOnRecents(recents -> assertTrue("Flinging back in Overview did nothing",
+                getCurrentOverviewPage(recents) < currentTaskAfterFlingForward));
+
+        // Test opening a task.
+        overview = pressHomeAndGoToOverview();
+
+        OverviewTask task = overview.getCurrentTask();
+        assertNotNull("overview.getCurrentTask() returned null (1)", task);
+        assertNotNull("OverviewTask.open returned null", task.open());
+        assertTrue("Test activity didn't open from Overview", mDevice.wait(Until.hasObject(
+                By.pkg(getAppPackageName()).text("TestActivity2")),
+                DEFAULT_UI_TIMEOUT));
+
+
+        // Test dismissing a task.
+        overview = pressHomeAndGoToOverview();
+        final Integer numTasks = getFromRecents(this::getTaskCount);
+        task = overview.getCurrentTask();
+        assertNotNull("overview.getCurrentTask() returned null (2)", task);
+        task.dismiss();
+        executeOnRecents(
+                recents -> assertEquals("Dismissing a task didn't remove 1 task from Overview",
+                        numTasks - 1, getTaskCount(recents)));
+
+        // Test dismissing all tasks.
+        pressHomeAndGoToOverview().dismissAllTasks();
+        assertTrue("Fallback Launcher not visible", mDevice.wait(Until.hasObject(By.pkg(
+                mOtherLauncherActivity.packageName)), WAIT_TIME_MS));
+    }
+
+    private int getCurrentOverviewPage(RecentsActivity recents) {
+        return recents.<RecentsView>getOverviewPanel().getCurrentPage();
+    }
+
+    private int getTaskCount(RecentsActivity recents) {
+        return recents.<RecentsView>getOverviewPanel().getTaskViewCount();
+    }
 }
diff --git a/quickstep/tests/src/com/android/quickstep/ViewInflationDuringSwipeUp.java b/quickstep/tests/src/com/android/quickstep/ViewInflationDuringSwipeUp.java
new file mode 100644
index 0000000..6726179
--- /dev/null
+++ b/quickstep/tests/src/com/android/quickstep/ViewInflationDuringSwipeUp.java
@@ -0,0 +1,268 @@
+/*
+ * 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.test.InstrumentationRegistry.getContext;
+import static androidx.test.InstrumentationRegistry.getInstrumentation;
+
+import static com.android.launcher3.testcomponent.TestCommandReceiver.EXTRA_VALUE;
+import static com.android.launcher3.testcomponent.TestCommandReceiver.SET_LIST_VIEW_SERVICE_BINDER;
+import static com.android.launcher3.ui.widget.BindWidgetTest.createWidgetInfo;
+import static com.android.quickstep.NavigationModeSwitchRule.Mode.ZERO_BUTTON;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.spy;
+
+import android.appwidget.AppWidgetManager;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.util.Log;
+import android.util.SparseArray;
+import android.view.View;
+import android.view.ViewConfiguration;
+import android.widget.RemoteViews;
+
+import androidx.test.filters.LargeTest;
+import androidx.test.runner.AndroidJUnit4;
+import androidx.test.uiautomator.By;
+import androidx.test.uiautomator.UiDevice;
+import androidx.test.uiautomator.Until;
+
+import com.android.launcher3.LauncherAppWidgetInfo;
+import com.android.launcher3.LauncherAppWidgetProviderInfo;
+import com.android.launcher3.LauncherSettings;
+import com.android.launcher3.tapl.Background;
+import com.android.launcher3.testcomponent.ListViewService;
+import com.android.launcher3.testcomponent.ListViewService.SimpleViewsFactory;
+import com.android.launcher3.testcomponent.TestCommandReceiver;
+import com.android.launcher3.ui.TaplTestsLauncher3;
+import com.android.launcher3.ui.TestViewHelpers;
+import com.android.quickstep.NavigationModeSwitchRule.NavigationModeSwitch;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.invocation.InvocationOnMock;
+import org.mockito.stubbing.Answer;
+
+import java.lang.reflect.Field;
+import java.util.function.IntConsumer;
+
+/**
+ * Test to verify view inflation does not happen during swipe up.
+ * To verify view inflation, we setup a dummy ViewConfiguration and check if any call to that class
+ * does from a View.init method or not.
+ *
+ * Alternative approaches considered:
+ *    Overriding LayoutInflater: This does not cover views initialized
+ *        directly (ex: new LinearLayout)
+ *    Using ExtendedMockito: Mocking static methods from platform classes (loaded in zygote) makes
+ *        the main thread extremely slow and untestable
+ */
+@LargeTest
+@RunWith(AndroidJUnit4.class)
+public class ViewInflationDuringSwipeUp extends AbstractQuickStepTest {
+
+    private ContentResolver mResolver;
+    private SparseArray<ViewConfiguration> mConfigMap;
+    private InitTracker mInitTracker;
+
+    @Before
+    public void setUp() throws Exception {
+        super.setUp();
+        TaplTestsLauncher3.initialize(this);
+
+        mResolver = mTargetContext.getContentResolver();
+        LauncherSettings.Settings.call(mResolver, LauncherSettings.Settings.METHOD_CREATE_EMPTY_DB);
+
+        // Get static configuration map
+        Field field = ViewConfiguration.class.getDeclaredField("sConfigurations");
+        field.setAccessible(true);
+        mConfigMap = (SparseArray<ViewConfiguration>) field.get(null);
+
+        mInitTracker = new InitTracker();
+    }
+
+    @Test
+    @NavigationModeSwitch(mode = ZERO_BUTTON)
+    public void testSwipeUpFromApp() throws Exception {
+        try {
+            // Go to overview once so that all views are initialized and cached
+            startAppFast(resolveSystemApp(Intent.CATEGORY_APP_CALCULATOR));
+            mLauncher.getBackground().switchToOverview().dismissAllTasks();
+
+            // Track view creations
+            mInitTracker.startTracking();
+
+            startTestActivity(2);
+            mLauncher.getBackground().switchToOverview();
+
+            assertEquals("Views inflated during swipe up", 0, mInitTracker.viewInitCount);
+        } finally {
+            mConfigMap.clear();
+        }
+    }
+
+    @Test
+    @NavigationModeSwitch(mode = ZERO_BUTTON)
+    public void testSwipeUpFromApp_widget_update() {
+        String dummyText = "Some random dummy text";
+
+        executeSwipeUpTestWithWidget(
+                widgetId -> { },
+                widgetId -> AppWidgetManager.getInstance(getContext())
+                        .updateAppWidget(widgetId, createMainWidgetViews(dummyText)),
+                dummyText);
+    }
+
+    @Test
+    @NavigationModeSwitch(mode = ZERO_BUTTON)
+    public void testSwipeUp_with_list_widgets() {
+        SimpleViewsFactory viewFactory = new SimpleViewsFactory();
+        viewFactory.viewCount = 1;
+        Bundle args = new Bundle();
+        args.putBinder(EXTRA_VALUE, viewFactory.toBinder());
+        TestCommandReceiver.callCommand(SET_LIST_VIEW_SERVICE_BINDER, null, args);
+
+        try {
+            executeSwipeUpTestWithWidget(
+                    widgetId -> {
+                        // Initialize widget
+                        RemoteViews views = createMainWidgetViews("List widget title");
+                        views.setRemoteAdapter(android.R.id.list,
+                                new Intent(getContext(), ListViewService.class));
+                        AppWidgetManager.getInstance(getContext()).updateAppWidget(widgetId, views);
+                        verifyWidget(viewFactory.getLabel(0));
+                    },
+                    widgetId -> {
+                        // Update widget
+                        viewFactory.viewCount = 2;
+                        AppWidgetManager.getInstance(getContext())
+                                .notifyAppWidgetViewDataChanged(widgetId, android.R.id.list);
+                    },
+                    viewFactory.getLabel(1)
+            );
+        } finally {
+            TestCommandReceiver.callCommand(SET_LIST_VIEW_SERVICE_BINDER, null, new Bundle());
+        }
+    }
+
+    private void executeSwipeUpTestWithWidget(IntConsumer widgetIdCreationCallback,
+            IntConsumer updateBeforeSwipeUp, String finalWidgetText) {
+        try {
+            // Clear all existing data
+            LauncherSettings.Settings.call(mResolver,
+                    LauncherSettings.Settings.METHOD_CREATE_EMPTY_DB);
+            LauncherSettings.Settings.call(mResolver,
+                    LauncherSettings.Settings.METHOD_CLEAR_EMPTY_DB_FLAG);
+            LauncherAppWidgetProviderInfo info = TestViewHelpers.findWidgetProvider(this, false);
+            LauncherAppWidgetInfo item = createWidgetInfo(info, true);
+
+            addItemToScreen(item);
+            assertTrue("Widget is not present",
+                    mLauncher.pressHome().tryGetWidget(info.label, DEFAULT_UI_TIMEOUT) != null);
+            int widgetId = item.appWidgetId;
+
+            // Verify widget id
+            widgetIdCreationCallback.accept(widgetId);
+
+            // Go to overview once so that all views are initialized and cached
+            startAppFast(resolveSystemApp(Intent.CATEGORY_APP_CALCULATOR));
+            mLauncher.getBackground().switchToOverview().dismissAllTasks();
+
+            // Track view creations
+            mInitTracker.startTracking();
+
+            startTestActivity(2);
+            Background background = mLauncher.getBackground();
+
+            // Update widget
+            updateBeforeSwipeUp.accept(widgetId);
+
+            background.switchToOverview();
+            assertEquals("Views inflated during swipe up", 0, mInitTracker.viewInitCount);
+
+            // Widget is updated when going home
+            mInitTracker.disableLog();
+            mLauncher.pressHome();
+            verifyWidget(finalWidgetText);
+            assertNotEquals(1, mInitTracker.viewInitCount);
+        } finally {
+            mConfigMap.clear();
+        }
+    }
+
+    private void verifyWidget(String text) {
+        assertNotNull("Widget not updated",
+                UiDevice.getInstance(getInstrumentation())
+                        .wait(Until.findObject(By.text(text)), DEFAULT_UI_TIMEOUT));
+    }
+
+    private RemoteViews createMainWidgetViews(String title) {
+        Context c = getContext();
+        int layoutId = c.getResources().getIdentifier(
+                "test_layout_widget_list", "layout", c.getPackageName());
+        RemoteViews views = new RemoteViews(c.getPackageName(), layoutId);
+        views.setTextViewText(android.R.id.text1, title);
+        return views;
+    }
+
+    private class InitTracker implements Answer {
+
+        public int viewInitCount = 0;
+
+        public boolean log = true;
+
+        @Override
+        public Object answer(InvocationOnMock invocation) throws Throwable {
+            Exception ex = new Exception();
+
+            boolean found = false;
+            for (StackTraceElement ste : ex.getStackTrace()) {
+                if ("<init>".equals(ste.getMethodName())
+                        && View.class.getName().equals(ste.getClassName())) {
+                    found = true;
+                    break;
+                }
+            }
+            if (found) {
+                viewInitCount++;
+                if (log) {
+                    Log.d("InitTracker", "New view inflated", ex);
+                }
+
+            }
+            return invocation.callRealMethod();
+        }
+
+        public void disableLog() {
+            log = false;
+        }
+
+        public void startTracking() {
+            ViewConfiguration vc = ViewConfiguration.get(mTargetContext);
+            ViewConfiguration spyVC = spy(vc);
+            mConfigMap.put(mConfigMap.keyAt(mConfigMap.indexOfValue(vc)), spyVC);
+            doAnswer(this).when(spyVC).getScaledTouchSlop();
+        }
+    }
+}
diff --git a/res/values-af/strings.xml b/res/values-af/strings.xml
index ba16dd3..ca59afa 100644
--- a/res/values-af/strings.xml
+++ b/res/values-af/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Werk"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"Program is nie geïnstalleer nie."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"Program is nie beskikbaar nie"</string>
diff --git a/res/values-ar/strings.xml b/res/values-ar/strings.xml
index 2fbdae1..a80ecb0 100644
--- a/res/values-ar/strings.xml
+++ b/res/values-ar/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"العمل"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"لم يتم تثبيت التطبيق."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"التطبيق ليس متاحًا"</string>
diff --git a/res/values-as/strings.xml b/res/values-as/strings.xml
index 221921f..2984603 100644
--- a/res/values-as/strings.xml
+++ b/res/values-as/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"কৰ্মস্থান"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"এপটো ইনষ্টল কৰা নহ\'ল।"</string>
     <string name="activity_not_available" msgid="7456344436509528827">"এপটো নাই"</string>
diff --git a/res/values-b+sr+Latn/strings.xml b/res/values-b+sr+Latn/strings.xml
index e6fe3bd..883003c 100644
--- a/res/values-b+sr+Latn/strings.xml
+++ b/res/values-b+sr+Latn/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Work"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"Aplikacija nije instalirana."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"Aplikacija nije dostupna"</string>
diff --git a/res/values-be/strings.xml b/res/values-be/strings.xml
index 2ccd34f..b4cf913 100644
--- a/res/values-be/strings.xml
+++ b/res/values-be/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Працоўная"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"Праграма не ўсталявана."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"Праграма недаступная"</string>
diff --git a/res/values-bg/strings.xml b/res/values-bg/strings.xml
index f7d1d0f..408f205 100644
--- a/res/values-bg/strings.xml
+++ b/res/values-bg/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Работа"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"Приложението не е инсталирано."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"Приложението не е налично"</string>
diff --git a/res/values-cs/strings.xml b/res/values-cs/strings.xml
index 57c5072..692b57d 100644
--- a/res/values-cs/strings.xml
+++ b/res/values-cs/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Práce"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"Aplikace není nainstalována."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"Aplikace není k dispozici."</string>
diff --git a/res/values-da/strings.xml b/res/values-da/strings.xml
index 9097ffd..dc17516 100644
--- a/res/values-da/strings.xml
+++ b/res/values-da/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Arbejde"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"Appen er ikke installeret."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"Appen er ikke tilgængelig"</string>
diff --git a/res/values-de/strings.xml b/res/values-de/strings.xml
index 1602a53..a345bab 100644
--- a/res/values-de/strings.xml
+++ b/res/values-de/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Arbeit"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"App ist nicht installiert."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"App nicht verfügbar"</string>
diff --git a/res/values-es-rUS/strings.xml b/res/values-es-rUS/strings.xml
index 960ef93..d10c84b 100644
--- a/res/values-es-rUS/strings.xml
+++ b/res/values-es-rUS/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Trabajo"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"No se instaló la aplicación."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"La aplicación no está disponible."</string>
diff --git a/res/values-es/strings.xml b/res/values-es/strings.xml
index 01f60e4..09b1239 100644
--- a/res/values-es/strings.xml
+++ b/res/values-es/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Trabajo"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"La aplicación no está instalada."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"La aplicación no está disponible"</string>
diff --git a/res/values-et/strings.xml b/res/values-et/strings.xml
index ff121fa..1e470e1 100644
--- a/res/values-et/strings.xml
+++ b/res/values-et/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Töö"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"Rakendus pole installitud."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"Rakendus ei ole saadaval"</string>
diff --git a/res/values-fa/strings.xml b/res/values-fa/strings.xml
index 913ff48..926cdb9 100644
--- a/res/values-fa/strings.xml
+++ b/res/values-fa/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"کاری"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"برنامه نصب نشده است."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"برنامه در دسترس نیست"</string>
diff --git a/res/values-fi/strings.xml b/res/values-fi/strings.xml
index e0930b6..f87441f 100644
--- a/res/values-fi/strings.xml
+++ b/res/values-fi/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Työ"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"Sovellusta ei ole asennettu."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"Sovellus ei ole käytettävissä"</string>
diff --git a/res/values-fr-rCA/strings.xml b/res/values-fr-rCA/strings.xml
index 50d6a06..5ac514d 100644
--- a/res/values-fr-rCA/strings.xml
+++ b/res/values-fr-rCA/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Lanceur3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Travail"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"L\'application n\'est pas installée."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"Application indisponible"</string>
diff --git a/res/values-hu/strings.xml b/res/values-hu/strings.xml
index 7e26ca4..3327590 100644
--- a/res/values-hu/strings.xml
+++ b/res/values-hu/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Munka"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"Az alkalmazás nincs telepítve."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"Az alkalmazás nem érhető el"</string>
diff --git a/res/values-is/strings.xml b/res/values-is/strings.xml
index 9d26c8c..d66ca32 100644
--- a/res/values-is/strings.xml
+++ b/res/values-is/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Vinna"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"Forritið er ekki uppsett."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"Forritið er ekki í boði"</string>
diff --git a/res/values-it/strings.xml b/res/values-it/strings.xml
index aaceb53..8c4e3c5 100644
--- a/res/values-it/strings.xml
+++ b/res/values-it/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Lavoro"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"App non installata."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"App non disponibile"</string>
diff --git a/res/values-iw/strings.xml b/res/values-iw/strings.xml
index 3525699..c25e879 100644
--- a/res/values-iw/strings.xml
+++ b/res/values-iw/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"עבודה"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"האפליקציה לא מותקנת."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"האפליקציה אינה זמינה"</string>
diff --git a/res/values-ja/strings.xml b/res/values-ja/strings.xml
index dad4879..354f020 100644
--- a/res/values-ja/strings.xml
+++ b/res/values-ja/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"仕事用"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"このアプリはインストールされていません。"</string>
     <string name="activity_not_available" msgid="7456344436509528827">"このアプリは使用できません"</string>
diff --git a/res/values-ka/strings.xml b/res/values-ka/strings.xml
index b348afb..e9afef9 100644
--- a/res/values-ka/strings.xml
+++ b/res/values-ka/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"სამუშაო"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"აპი არ არის დაყენებული."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"აპი მიუწვდომელია"</string>
diff --git a/res/values-kk/strings.xml b/res/values-kk/strings.xml
index bd25ac9..1cd9045 100644
--- a/res/values-kk/strings.xml
+++ b/res/values-kk/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Жұмыс"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"Қолданба орнатылмаған."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"Қолданба қол жетімді емес"</string>
diff --git a/res/values-ko/strings.xml b/res/values-ko/strings.xml
index e2767f9..58b65da 100644
--- a/res/values-ko/strings.xml
+++ b/res/values-ko/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"업무"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"앱이 설치되지 않았습니다."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"앱을 사용할 수 없음"</string>
diff --git a/res/values-lo/strings.xml b/res/values-lo/strings.xml
index e764347..afe7664 100644
--- a/res/values-lo/strings.xml
+++ b/res/values-lo/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"ວຽກ"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"ແອັບຯບໍ່ໄດ້ຖືກຕິດຕັ້ງ."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"ແອັບຯ​ໃຊ້​ບໍ່​ໄດ້"</string>
diff --git a/res/values-lt/strings.xml b/res/values-lt/strings.xml
index 7f93ac8..6571582 100644
--- a/res/values-lt/strings.xml
+++ b/res/values-lt/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Darbas"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"Programa neįdiegta."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"Programa nepasiekiama"</string>
diff --git a/res/values-lv/strings.xml b/res/values-lv/strings.xml
index 13d88fe..3da0fbb 100644
--- a/res/values-lv/strings.xml
+++ b/res/values-lv/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Darbs"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"Lietotne nav instalēta."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"Lietotne nav pieejama."</string>
diff --git a/res/values-ml/strings.xml b/res/values-ml/strings.xml
index a118368..4362e7c 100644
--- a/res/values-ml/strings.xml
+++ b/res/values-ml/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"ലോഞ്ചർ3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"ഔദ്യോഗികം"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"അപ്ലിക്കേഷൻ ഇൻസ്‌റ്റാളുചെ‌യ്‌തിട്ടില്ല."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"അപ്ലിക്കേഷൻ ലഭ്യമല്ല"</string>
diff --git a/res/values-mn/strings.xml b/res/values-mn/strings.xml
index 1b0e753..ab02ac6 100644
--- a/res/values-mn/strings.xml
+++ b/res/values-mn/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Ажил"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"Апп суугаагүй байна."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"Апп-г ашиглах боломжгүй"</string>
diff --git a/res/values-mr/strings.xml b/res/values-mr/strings.xml
index f71bbd9..49e3898 100644
--- a/res/values-mr/strings.xml
+++ b/res/values-mr/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"कार्य"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"अ‍ॅप इंस्टॉल केलेला नाही."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"अ‍ॅप उपलब्ध नाही"</string>
@@ -82,7 +83,7 @@
     <string name="styles_wallpaper_button_text" msgid="4342122323125579619">"शैली आणि वॉलपेपर"</string>
     <string name="settings_button_text" msgid="8873672322605444408">"होम सेटिंग्‍ज"</string>
     <string name="msg_disabled_by_admin" msgid="6898038085516271325">"आपल्या प्रशासकाने अक्षम केले"</string>
-    <string name="allow_rotation_title" msgid="7728578836261442095">"मुख्य स्क्रीन फिरविण्‍यास अनुमती द्या"</string>
+    <string name="allow_rotation_title" msgid="7728578836261442095">"मुख्यस्क्रीन फिरविण्‍यास अनुमती द्या"</string>
     <string name="allow_rotation_desc" msgid="8662546029078692509">"फोन फिरविला जातो तेव्हा"</string>
     <string name="notification_dots_title" msgid="9062440428204120317">"सूचना बिंदू"</string>
     <string name="notification_dots_desc_on" msgid="1679848116452218908">"सुरू"</string>
diff --git a/res/values-ms/strings.xml b/res/values-ms/strings.xml
index 492e6b6..7d05412 100644
--- a/res/values-ms/strings.xml
+++ b/res/values-ms/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Kerja"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"Apl tidak dipasang."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"Apl tidak tersedia"</string>
diff --git a/res/values-nb/strings.xml b/res/values-nb/strings.xml
index 356ed03..2257367 100644
--- a/res/values-nb/strings.xml
+++ b/res/values-nb/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Jobb"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"Appen er ikke installert."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"Appen er ikke tilgjengelig"</string>
diff --git a/res/values-ne/strings.xml b/res/values-ne/strings.xml
index 58d61f9..1e7aee9 100644
--- a/res/values-ne/strings.xml
+++ b/res/values-ne/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"कार्य"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"अनुप्रयोग स्थापित छैन।"</string>
     <string name="activity_not_available" msgid="7456344436509528827">"अनुप्रयोग उपलब्ध छैन"</string>
diff --git a/res/values-nl/strings.xml b/res/values-nl/strings.xml
index c2dfb71..ec30d8c 100644
--- a/res/values-nl/strings.xml
+++ b/res/values-nl/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Werk"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"App is niet geïnstalleerd."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"App is niet beschikbaar"</string>
diff --git a/res/values-or/strings.xml b/res/values-or/strings.xml
index cc8d664..4ddc903 100644
--- a/res/values-or/strings.xml
+++ b/res/values-or/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"ଲଞ୍ଚର୍3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"କାମ"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"ଆପ୍‌ ଇନଷ୍ଟଲ୍‌ ହୋଇନାହିଁ"</string>
     <string name="activity_not_available" msgid="7456344436509528827">"ଆପ୍‌ ଉପଲବ୍ଧ ନାହିଁ"</string>
diff --git a/res/values-pa/strings.xml b/res/values-pa/strings.xml
index 24686c4..d4cd5be 100644
--- a/res/values-pa/strings.xml
+++ b/res/values-pa/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"ਦਫ਼ਤਰ"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"ਐਪ ਇੰਸਟੌਲ ਨਹੀਂ ਕੀਤਾ ਹੋਇਆ ਹੈ।"</string>
     <string name="activity_not_available" msgid="7456344436509528827">"ਐਪ ਉਪਲਬਧ ਨਹੀਂ ਹੈ"</string>
diff --git a/res/values-pl/strings.xml b/res/values-pl/strings.xml
index 5d9b50e..6885960 100644
--- a/res/values-pl/strings.xml
+++ b/res/values-pl/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Praca"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"Aplikacja nie jest zainstalowana."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"Aplikacja niedostępna"</string>
diff --git a/res/values-ru/strings.xml b/res/values-ru/strings.xml
index 1cc699f..23b00d0 100644
--- a/res/values-ru/strings.xml
+++ b/res/values-ru/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Работа"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"Приложение удалено"</string>
     <string name="activity_not_available" msgid="7456344436509528827">"Приложение недоступно"</string>
diff --git a/res/values-si/strings.xml b/res/values-si/strings.xml
index 2f9dc42..ef99a59 100644
--- a/res/values-si/strings.xml
+++ b/res/values-si/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"කාර්යාලය"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"යෙදුම ස්ථාපනය කර නැත."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"යෙදුම නොතිබේ"</string>
diff --git a/res/values-sl/strings.xml b/res/values-sl/strings.xml
index 417151b..044a4b4 100644
--- a/res/values-sl/strings.xml
+++ b/res/values-sl/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Služba"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"Aplikacija ni nameščena."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"Aplikacija ni na voljo"</string>
diff --git a/res/values-sr/strings.xml b/res/values-sr/strings.xml
index 5e2c954..4e52592 100644
--- a/res/values-sr/strings.xml
+++ b/res/values-sr/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Work"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"Апликација није инсталирана."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"Апликација није доступна"</string>
diff --git a/res/values-sv/strings.xml b/res/values-sv/strings.xml
index 7df507b..e7400a6 100644
--- a/res/values-sv/strings.xml
+++ b/res/values-sv/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Arbete"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"Appen är inte installerad."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"Appen är inte tillgänglig"</string>
diff --git a/res/values-tl/strings.xml b/res/values-tl/strings.xml
index de4863a..0df94c7 100644
--- a/res/values-tl/strings.xml
+++ b/res/values-tl/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Trabaho"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"Hindi naka-install ang app."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"Hindi available ang app"</string>
diff --git a/res/values-tr/strings.xml b/res/values-tr/strings.xml
index 1b2b3d1..56f8447 100644
--- a/res/values-tr/strings.xml
+++ b/res/values-tr/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"İş"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"Uygulama yüklü değil."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"Uygulama kullanılamıyor"</string>
diff --git a/res/values-uk/strings.xml b/res/values-uk/strings.xml
index 622cdcc..13ba701 100644
--- a/res/values-uk/strings.xml
+++ b/res/values-uk/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Робоча папка"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"Додаток видалено."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"Додаток недоступний"</string>
diff --git a/res/values-ur/strings.xml b/res/values-ur/strings.xml
index 74b5eaa..4f77670 100644
--- a/res/values-ur/strings.xml
+++ b/res/values-ur/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"دفتری"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"ایپ انسٹال نہیں ہے۔"</string>
     <string name="activity_not_available" msgid="7456344436509528827">"ایپ دستیاب نہیں ہے"</string>
diff --git a/res/values-uz/strings.xml b/res/values-uz/strings.xml
index dac1ac9..69084d7 100644
--- a/res/values-uz/strings.xml
+++ b/res/values-uz/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Ishga oid"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"Ilova o‘rnatilmadi."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"Ilova mavjud emas"</string>
diff --git a/res/values-vi/strings.xml b/res/values-vi/strings.xml
index 4dc58b9..71decfc 100644
--- a/res/values-vi/strings.xml
+++ b/res/values-vi/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Trình chạy 3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Work"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"Ứng dụng chưa được cài đặt."</string>
     <string name="activity_not_available" msgid="7456344436509528827">"Ứng dụng không có sẵn"</string>
@@ -85,7 +86,7 @@
     <string name="allow_rotation_title" msgid="7728578836261442095">"Cho phép xoay Màn hình chính"</string>
     <string name="allow_rotation_desc" msgid="8662546029078692509">"Khi xoay điện thoại"</string>
     <string name="notification_dots_title" msgid="9062440428204120317">"Dấu chấm thông báo"</string>
-    <string name="notification_dots_desc_on" msgid="1679848116452218908">"Đang bật"</string>
+    <string name="notification_dots_desc_on" msgid="1679848116452218908">"Bật"</string>
     <string name="notification_dots_desc_off" msgid="1760796511504341095">"Tắt"</string>
     <string name="title_missing_notification_access" msgid="7503287056163941064">"Cần quyền truy cập thông báo"</string>
     <string name="msg_missing_notification_access" msgid="281113995110910548">"Để hiển thị Dấu chấm thông báo, hãy bật thông báo ứng dụng cho <xliff:g id="NAME">%1$s</xliff:g>"</string>
diff --git a/res/values-zh-rCN/strings.xml b/res/values-zh-rCN/strings.xml
index 0478627..9804af1 100644
--- a/res/values-zh-rCN/strings.xml
+++ b/res/values-zh-rCN/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"Work"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"未安装该应用。"</string>
     <string name="activity_not_available" msgid="7456344436509528827">"应用不可用"</string>
diff --git a/res/values-zh-rHK/strings.xml b/res/values-zh-rHK/strings.xml
index ed53c32..e737744 100644
--- a/res/values-zh-rHK/strings.xml
+++ b/res/values-zh-rHK/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"工作"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"尚未安裝應用程式。"</string>
     <string name="activity_not_available" msgid="7456344436509528827">"目前無法使用這個應用程式"</string>
diff --git a/res/values-zh-rTW/strings.xml b/res/values-zh-rTW/strings.xml
index 14f2e06..e971b69 100644
--- a/res/values-zh-rTW/strings.xml
+++ b/res/values-zh-rTW/strings.xml
@@ -20,6 +20,7 @@
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="649227358658669779">"Launcher3"</string>
+    <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="work_folder_name" msgid="3753320833950115786">"公司"</string>
     <string name="activity_not_found" msgid="8071924732094499514">"應用程式未安裝。"</string>
     <string name="activity_not_available" msgid="7456344436509528827">"應用程式目前無法使用"</string>
diff --git a/robolectric_tests/src/com/android/launcher3/config/FlagOverrideRule.java b/robolectric_tests/src/com/android/launcher3/config/FlagOverrideRule.java
index a3d1216..4bb9a53 100644
--- a/robolectric_tests/src/com/android/launcher3/config/FlagOverrideRule.java
+++ b/robolectric_tests/src/com/android/launcher3/config/FlagOverrideRule.java
@@ -1,12 +1,12 @@
 package com.android.launcher3.config;
 
 
-import com.android.launcher3.config.BaseFlags.BaseTogglableFlag;
+import com.android.launcher3.config.FeatureFlags.BaseTogglableFlag;
 import com.android.launcher3.uioverrides.TogglableFlag;
+
 import org.junit.rules.TestRule;
 import org.junit.runner.Description;
 import org.junit.runners.model.Statement;
-import org.robolectric.RuntimeEnvironment;
 
 import java.lang.annotation.Annotation;
 import java.lang.annotation.ElementType;
@@ -14,6 +14,10 @@
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.function.Function;
+import java.util.stream.Collectors;
 
 /**
  * Test rule that makes overriding flags in Robolectric tests easier. This rule clears all flags
@@ -51,68 +55,48 @@
         boolean value();
     }
 
-    private boolean ruleInProgress;
-
     @Override
     public Statement apply(Statement base, Description description) {
-        return new Statement() {
-            @Override
-            public void evaluate() throws Throwable {
-                FeatureFlags.initialize(RuntimeEnvironment.application.getApplicationContext());
-                ruleInProgress = true;
-                try {
-                    clearOverrides();
-                    applyAnnotationOverrides(description);
-                    base.evaluate();
-                } finally {
-                    ruleInProgress = false;
-                    clearOverrides();
+        return new MyStatement(base, description);
+    }
+
+    private class MyStatement extends Statement {
+
+        private final Statement mBase;
+        private final Description mDescription;
+
+
+        MyStatement(Statement base, Description description) {
+            mBase = base;
+            mDescription = description;
+        }
+
+        @Override
+        public void evaluate() throws Throwable {
+            Map<String, BaseTogglableFlag> allFlags = FeatureFlags.getTogglableFlags().stream()
+                    .collect(Collectors.toMap(TogglableFlag::getKey, Function.identity()));
+
+            HashMap<BaseTogglableFlag, Boolean> changedValues = new HashMap<>();
+            FlagOverride[] overrides = new FlagOverride[0];
+            try {
+                for (Annotation annotation : mDescription.getAnnotations()) {
+                    if (annotation.annotationType() == FlagOverride.class) {
+                        overrides = new FlagOverride[] { (FlagOverride) annotation };
+                    } else if (annotation.annotationType() == FlagOverrides.class) {
+                        // Note: this branch is hit if the annotation is repeated
+                        overrides = ((FlagOverrides) annotation).value();
+                    }
                 }
-            }
-        };
-    }
-
-    private void override(BaseTogglableFlag flag, boolean newValue) {
-        if (!ruleInProgress) {
-            throw new IllegalStateException(
-                    "Rule isn't in progress. Did you remember to mark it with @Rule?");
-        }
-        flag.setForTests(newValue);
-    }
-
-    private void applyAnnotationOverrides(Description description) {
-        for (Annotation annotation : description.getAnnotations()) {
-            if (annotation.annotationType() == FlagOverride.class) {
-                applyAnnotation((FlagOverride) annotation);
-            } else if (annotation.annotationType() == FlagOverrides.class) {
-                // Note: this branch is hit if the annotation is repeated
-                for (FlagOverride flagOverride : ((FlagOverrides) annotation).value()) {
-                    applyAnnotation(flagOverride);
+                for (FlagOverride override : overrides) {
+                    BaseTogglableFlag flag = allFlags.get(override.key());
+                    changedValues.put(flag, flag.get());
+                    flag.setForTests(override.value());
                 }
+                mBase.evaluate();
+            } finally {
+                // Clear the values
+                changedValues.forEach(BaseTogglableFlag::setForTests);
             }
         }
     }
-
-    private void applyAnnotation(FlagOverride flagOverride) {
-        boolean found = false;
-        for (TogglableFlag flag : FeatureFlags.getTogglableFlags()) {
-            if (flag.getKey().equals(flagOverride.key())) {
-                override(flag, flagOverride.value());
-                found = true;
-                break;
-            }
-        }
-        if (!found) {
-            throw new IllegalStateException("Flag " + flagOverride.key() + " not found");
-        }
-    }
-
-    /**
-     * Resets all flags to their default values.
-     */
-    private void clearOverrides() {
-        for (BaseTogglableFlag flag : FeatureFlags.getTogglableFlags()) {
-            flag.setForTests(flag.getDefaultValue());
-        }
-    }
 }
diff --git a/robolectric_tests/src/com/android/launcher3/config/FlagOverrideSampleTest.java b/robolectric_tests/src/com/android/launcher3/config/FlagOverrideSampleTest.java
index 1351348..31a037b 100644
--- a/robolectric_tests/src/com/android/launcher3/config/FlagOverrideSampleTest.java
+++ b/robolectric_tests/src/com/android/launcher3/config/FlagOverrideSampleTest.java
@@ -1,5 +1,8 @@
 package com.android.launcher3.config;
 
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
 import com.android.launcher3.config.FlagOverrideRule.FlagOverride;
 
 import org.junit.Rule;
@@ -7,9 +10,6 @@
 import org.junit.runner.RunWith;
 import org.robolectric.RobolectricTestRunner;
 
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-
 /**
  * Sample Robolectric test that demonstrates flag-overriding.
  */
@@ -21,16 +21,21 @@
     @Rule
     public final FlagOverrideRule flags = new FlagOverrideRule();
 
-    @FlagOverride(key = "EXAMPLE_FLAG", value = true)
+    /**
+     * Test if flag can be overriden to true via annoation.
+     */
+    @FlagOverride(key = "FAKE_LANDSCAPE_UI", value = true)
     @Test
     public void withFlagOn() {
-        assertTrue(FeatureFlags.EXAMPLE_FLAG.get());
+        assertTrue(FeatureFlags.FAKE_LANDSCAPE_UI.get());
     }
 
-
-    @FlagOverride(key = "EXAMPLE_FLAG", value = false)
+    /**
+     * Test if flag can be overriden to false via annoation.
+     */
+    @FlagOverride(key = "FAKE_LANDSCAPE_UI", value = false)
     @Test
     public void withFlagOff() {
-        assertFalse(FeatureFlags.EXAMPLE_FLAG.get());
+        assertFalse(FeatureFlags.FAKE_LANDSCAPE_UI.get());
     }
 }
diff --git a/robolectric_tests/src/com/android/launcher3/logging/FileLogTest.java b/robolectric_tests/src/com/android/launcher3/logging/FileLogTest.java
index 096db57..410a077 100644
--- a/robolectric_tests/src/com/android/launcher3/logging/FileLogTest.java
+++ b/robolectric_tests/src/com/android/launcher3/logging/FileLogTest.java
@@ -1,20 +1,22 @@
 package com.android.launcher3.logging;
 
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.robolectric.RobolectricTestRunner;
 import org.robolectric.RuntimeEnvironment;
+import org.robolectric.Shadows;
+import org.robolectric.util.Scheduler;
 
 import java.io.File;
 import java.io.PrintWriter;
 import java.io.StringWriter;
 import java.util.Calendar;
 
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-
 /**
  * Tests for {@link FileLog}
  */
@@ -22,9 +24,10 @@
 public class FileLogTest {
 
     private File mTempDir;
+    private boolean mTestActive;
 
     @Before
-    public void setUp() throws Exception {
+    public void setUp() {
         int count = 0;
         do {
             mTempDir = new File(RuntimeEnvironment.application.getCacheDir(),
@@ -32,14 +35,24 @@
         } while (!mTempDir.mkdir());
 
         FileLog.setDir(mTempDir);
+
+        mTestActive = true;
+        Scheduler scheduler = Shadows.shadowOf(FileLog.getHandler().getLooper()).getScheduler();
+        new Thread(() -> {
+            while (mTestActive) {
+                scheduler.advanceToLastPostedRunnable();
+            }
+        }).start();
     }
 
     @After
-    public void tearDown() throws Exception {
+    public void tearDown() {
         // Clear existing logs
         new File(mTempDir, "log-0").delete();
         new File(mTempDir, "log-1").delete();
         mTempDir.delete();
+
+        mTestActive = false;
     }
 
     @Test
@@ -49,12 +62,12 @@
         }
         FileLog.print("Testing", "hoolalala");
         StringWriter writer = new StringWriter();
-        FileLog.flushAll(new PrintWriter(writer));
+        assertTrue(FileLog.flushAll(new PrintWriter(writer)));
         assertTrue(writer.toString().contains("hoolalala"));
 
         FileLog.print("Testing", "abracadabra", new Exception("cat! cat!"));
         writer = new StringWriter();
-        FileLog.flushAll(new PrintWriter(writer));
+        assertTrue(FileLog.flushAll(new PrintWriter(writer)));
         assertTrue(writer.toString().contains("abracadabra"));
         // Exception is also printed
         assertTrue(writer.toString().contains("cat! cat!"));
@@ -70,7 +83,7 @@
         }
         FileLog.print("Testing", "hoolalala");
         StringWriter writer = new StringWriter();
-        FileLog.flushAll(new PrintWriter(writer));
+        assertTrue(FileLog.flushAll(new PrintWriter(writer)));
         assertTrue(writer.toString().contains("hoolalala"));
 
         Calendar threeDaysAgo = Calendar.getInstance();
@@ -80,7 +93,7 @@
 
         FileLog.print("Testing", "abracadabra", new Exception("cat! cat!"));
         writer = new StringWriter();
-        FileLog.flushAll(new PrintWriter(writer));
+        assertTrue(FileLog.flushAll(new PrintWriter(writer)));
         assertTrue(writer.toString().contains("abracadabra"));
         // Exception is also printed
         assertTrue(writer.toString().contains("cat! cat!"));
diff --git a/robolectric_tests/src/com/android/launcher3/model/BaseModelUpdateTaskTestCase.java b/robolectric_tests/src/com/android/launcher3/model/BaseModelUpdateTaskTestCase.java
index bc936b7..32eb2ec 100644
--- a/robolectric_tests/src/com/android/launcher3/model/BaseModelUpdateTaskTestCase.java
+++ b/robolectric_tests/src/com/android/launcher3/model/BaseModelUpdateTaskTestCase.java
@@ -15,17 +15,20 @@
 import android.os.Process;
 import android.os.UserHandle;
 
+import androidx.annotation.NonNull;
+
 import com.android.launcher3.AppFilter;
 import com.android.launcher3.AppInfo;
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.ItemInfo;
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherModel;
-import com.android.launcher3.model.BgDataModel.Callbacks;
 import com.android.launcher3.LauncherModel.ModelUpdateTask;
 import com.android.launcher3.LauncherProvider;
+import com.android.launcher3.icons.BitmapInfo;
 import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.icons.cache.CachingLogic;
+import com.android.launcher3.model.BgDataModel.Callbacks;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.TestLauncherProvider;
 
@@ -44,8 +47,6 @@
 import java.util.concurrent.Executor;
 import java.util.function.Supplier;
 
-import androidx.annotation.NonNull;
-
 /**
  * Base class for writing tests for Model update tasks.
  */
@@ -79,6 +80,7 @@
         model = mock(LauncherModel.class);
         modelWriter = mock(ModelWriter.class);
 
+        LauncherAppState.INSTANCE.initializeForTesting(appState);
         when(appState.getModel()).thenReturn(model);
         when(model.getWriter(anyBoolean(), anyBoolean())).thenReturn(modelWriter);
         when(model.getCallback()).thenReturn(callbacks);
@@ -216,5 +218,10 @@
         public Bitmap newIcon() {
             return Bitmap.createBitmap(1, 1, Config.ARGB_8888);
         }
+
+        @Override
+        public synchronized BitmapInfo getDefaultIcon(UserHandle user) {
+            return BitmapInfo.fromBitmap(newIcon());
+        }
     }
 }
diff --git a/robolectric_tests/src/com/android/launcher3/model/CacheDataUpdatedTaskTest.java b/robolectric_tests/src/com/android/launcher3/model/CacheDataUpdatedTaskTest.java
index 42848f4..81b9043 100644
--- a/robolectric_tests/src/com/android/launcher3/model/CacheDataUpdatedTaskTest.java
+++ b/robolectric_tests/src/com/android/launcher3/model/CacheDataUpdatedTaskTest.java
@@ -11,7 +11,6 @@
 import com.android.launcher3.WorkspaceItemInfo;
 
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.robolectric.RobolectricTestRunner;
@@ -41,7 +40,6 @@
     }
 
     @Test
-    @Ignore("This test fails with resource errors") // b/131115553
     public void testCacheUpdate_update_apps() throws Exception {
         // Clear all icons from apps list so that its easy to check what was updated
         for (AppInfo info : allAppsList.data) {
@@ -66,7 +64,6 @@
     }
 
     @Test
-    @Ignore("This test fails with resource errors") // b/131115553
     public void testSessionUpdate_ignores_normal_apps() throws Exception {
         executeTaskForTest(newTask(CacheDataUpdatedTask.OP_SESSION_UPDATE, "app1"));
 
@@ -75,7 +72,6 @@
     }
 
     @Test
-    @Ignore("This test fails with resource errors") // b/131115553
     public void testSessionUpdate_updates_pending_apps() throws Exception {
         executeTaskForTest(newTask(CacheDataUpdatedTask.OP_SESSION_UPDATE, "app3"));
 
diff --git a/robolectric_tests/src/com/android/launcher3/model/PackageInstallStateChangedTaskTest.java b/robolectric_tests/src/com/android/launcher3/model/PackageInstallStateChangedTaskTest.java
index 42a4f5c..a1a4561 100644
--- a/robolectric_tests/src/com/android/launcher3/model/PackageInstallStateChangedTaskTest.java
+++ b/robolectric_tests/src/com/android/launcher3/model/PackageInstallStateChangedTaskTest.java
@@ -5,8 +5,7 @@
 import com.android.launcher3.ItemInfo;
 import com.android.launcher3.LauncherAppWidgetInfo;
 import com.android.launcher3.WorkspaceItemInfo;
-import com.android.launcher3.compat.PackageInstallerCompat;
-import com.android.launcher3.compat.PackageInstallerCompat.PackageInstallInfo;
+import com.android.launcher3.pm.PackageInstallInfo;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -28,7 +27,7 @@
     }
 
     private PackageInstallStateChangedTask newTask(String pkg, int progress) {
-        int state = PackageInstallerCompat.STATUS_INSTALLING;
+        int state = PackageInstallInfo.STATUS_INSTALLING;
         PackageInstallInfo installInfo = new PackageInstallInfo(pkg, state, progress,
                 android.os.Process.myUserHandle());
         return new PackageInstallStateChangedTask(installInfo);
diff --git a/robolectric_tests/src/com/android/launcher3/util/TestLauncherProvider.java b/robolectric_tests/src/com/android/launcher3/util/TestLauncherProvider.java
index 31e303e..9f833b1 100644
--- a/robolectric_tests/src/com/android/launcher3/util/TestLauncherProvider.java
+++ b/robolectric_tests/src/com/android/launcher3/util/TestLauncherProvider.java
@@ -2,7 +2,6 @@
 
 import android.content.Context;
 import android.database.sqlite.SQLiteDatabase;
-import android.database.sqlite.SQLiteOpenHelper;
 
 import com.android.launcher3.LauncherProvider;
 
@@ -28,9 +27,6 @@
         return mOpenHelper.getWritableDatabase();
     }
 
-    @Override
-    protected void notifyListeners() { }
-
     private static class MyDatabaseHelper extends DatabaseHelper {
         public MyDatabaseHelper(Context context) {
             super(context, null, null);
diff --git a/src/com/android/launcher3/AppWidgetsRestoredReceiver.java b/src/com/android/launcher3/AppWidgetsRestoredReceiver.java
index e3ef5d6..5f1be94 100644
--- a/src/com/android/launcher3/AppWidgetsRestoredReceiver.java
+++ b/src/com/android/launcher3/AppWidgetsRestoredReceiver.java
@@ -1,5 +1,7 @@
 package com.android.launcher3;
 
+import static android.os.Process.myUserHandle;
+
 import android.appwidget.AppWidgetHost;
 import android.appwidget.AppWidgetManager;
 import android.appwidget.AppWidgetProviderInfo;
@@ -12,15 +14,13 @@
 
 import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.compat.UserManagerCompat;
-import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.model.LoaderTask;
+import com.android.launcher3.model.WidgetsModel;
 import com.android.launcher3.provider.RestoreDbTask;
 import com.android.launcher3.util.ContentWriter;
 
 import androidx.annotation.WorkerThread;
 
-import static android.os.Process.myUserHandle;
-
 public class AppWidgetsRestoredReceiver extends BroadcastReceiver {
 
     private static final String TAG = "AWRestoredReceiver";
@@ -50,7 +50,7 @@
     @WorkerThread
     public static void restoreAppWidgetIds(Context context, int[] oldWidgetIds, int[] newWidgetIds) {
         AppWidgetHost appWidgetHost = new LauncherAppWidgetHost(context);
-        if (FeatureFlags.GO_DISABLE_WIDGETS) {
+        if (WidgetsModel.GO_DISABLE_WIDGETS) {
             Log.e(TAG, "Skipping widget ID remap as widgets not supported");
             appWidgetHost.deleteHost();
             return;
diff --git a/src/com/android/launcher3/BaseDraggingActivity.java b/src/com/android/launcher3/BaseDraggingActivity.java
index 994ba65..e2ef337 100644
--- a/src/com/android/launcher3/BaseDraggingActivity.java
+++ b/src/com/android/launcher3/BaseDraggingActivity.java
@@ -36,6 +36,7 @@
 import com.android.launcher3.compat.LauncherAppsCompat;
 import com.android.launcher3.model.AppLaunchTracker;
 import com.android.launcher3.shortcuts.DeepShortcutManager;
+import com.android.launcher3.uioverrides.DejankBinderTracker;
 import com.android.launcher3.uioverrides.DisplayRotationListener;
 import com.android.launcher3.uioverrides.WallpaperColorInfo;
 import com.android.launcher3.util.PackageManagerHelper;
@@ -65,7 +66,8 @@
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        mIsSafeModeEnabled = getPackageManager().isSafeMode();
+        mIsSafeModeEnabled = DejankBinderTracker.whitelistIpcs(() ->
+                getPackageManager().isSafeMode());
         mRotationListener = new DisplayRotationListener(this, this::onDeviceRotationChanged);
 
         // Update theme
diff --git a/src/com/android/launcher3/InstallShortcutReceiver.java b/src/com/android/launcher3/InstallShortcutReceiver.java
index 17fbb79..aa975bd 100644
--- a/src/com/android/launcher3/InstallShortcutReceiver.java
+++ b/src/com/android/launcher3/InstallShortcutReceiver.java
@@ -133,7 +133,8 @@
 
             String pkg = getIntentPackage(info.launchIntent);
             if (!TextUtils.isEmpty(pkg)
-                    && !launcherApps.isPackageEnabledForProfile(pkg, info.user)) {
+                    && !launcherApps.isPackageEnabledForProfile(pkg, info.user)
+                    && !info.isActivity) {
                 if (DBG) {
                     Log.d(TAG, "Ignoring shortcut for absent package: " + info.launchIntent);
                 }
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 7bb618d..9326e95 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -27,6 +27,7 @@
 import static com.android.launcher3.LauncherState.NORMAL;
 import static com.android.launcher3.LauncherState.OVERVIEW;
 import static com.android.launcher3.LauncherState.OVERVIEW_PEEK;
+import static com.android.launcher3.Utilities.postAsyncCallback;
 import static com.android.launcher3.dragndrop.DragLayer.ALPHA_INDEX_LAUNCHER_LOAD;
 import static com.android.launcher3.logging.LoggerUtils.newContainerTarget;
 import static com.android.launcher3.logging.LoggerUtils.newTarget;
@@ -112,15 +113,17 @@
 import com.android.launcher3.popup.PopupContainerWithArrow;
 import com.android.launcher3.popup.PopupDataProvider;
 import com.android.launcher3.qsb.QsbContainerView;
-import com.android.launcher3.states.InternalStateHandler;
 import com.android.launcher3.states.RotationHelper;
 import com.android.launcher3.touch.ItemClickHandler;
+import com.android.launcher3.uioverrides.DejankBinderTracker;
 import com.android.launcher3.uioverrides.UiFactory;
+import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
 import com.android.launcher3.userevent.nano.LauncherLogProto;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Action;
 import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
 import com.android.launcher3.util.ActivityResultInfo;
+import com.android.launcher3.util.ActivityTracker;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.IntArray;
 import com.android.launcher3.util.ItemInfoMatcher;
@@ -149,6 +152,12 @@
 import com.android.launcher3.widget.WidgetListRowEntry;
 import com.android.launcher3.widget.WidgetsFullSheet;
 import com.android.launcher3.widget.custom.CustomWidgetManager;
+import com.android.systemui.plugins.OverlayPlugin;
+import com.android.systemui.plugins.PluginListener;
+import com.android.systemui.plugins.shared.LauncherExterns;
+import com.android.systemui.plugins.shared.LauncherOverlayManager;
+import com.android.systemui.plugins.shared.LauncherOverlayManager.LauncherOverlay;
+import com.android.systemui.plugins.shared.LauncherOverlayManager.LauncherOverlayCallbacks;
 
 import java.io.FileDescriptor;
 import java.io.PrintWriter;
@@ -158,14 +167,18 @@
 import java.util.HashSet;
 import java.util.List;
 import java.util.function.Predicate;
+import java.util.function.Supplier;
 
 /**
  * Default launcher application.
  */
 public class Launcher extends BaseDraggingActivity implements LauncherExterns,
         Callbacks, LauncherProviderChangeListener, UserEventDelegate,
-        InvariantDeviceProfile.OnIDPChangeListener {
+        InvariantDeviceProfile.OnIDPChangeListener, PluginListener<OverlayPlugin> {
     public static final String TAG = "Launcher";
+
+    public static final ActivityTracker<Launcher> ACTIVITY_TRACKER = new ActivityTracker<>();
+
     static final boolean LOGD = false;
 
     static final boolean DEBUG_STRICT_MODE = false;
@@ -293,8 +306,14 @@
     private DeviceProfile mStableDeviceProfile;
     private RotationMode mRotationMode = RotationMode.NORMAL;
 
+    protected LauncherOverlayManager mOverlayManager;
+    // If true, overlay callbacks are deferred
+    private boolean mDeferOverlayCallbacks;
+    private final Runnable mDeferredOverlayCallbacks = this::checkIfOverlayStillDeferred;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
+        DejankBinderTracker.allowBinderTrackingInTests();
         RaceConditionTracker.onEvent(ON_CREATE_EVT, ENTER);
         if (DEBUG_STRICT_MODE) {
             StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder()
@@ -343,7 +362,7 @@
 
         mAppTransitionManager = LauncherAppTransitionManager.newInstance(this);
 
-        boolean internalStateHandled = InternalStateHandler.handleCreate(this, getIntent());
+        boolean internalStateHandled = ACTIVITY_TRACKER.handleCreate(this);
         if (internalStateHandled) {
             if (savedInstanceState != null) {
                 // InternalStateHandler has already set the appropriate state.
@@ -389,6 +408,10 @@
         if (mLauncherCallbacks != null) {
             mLauncherCallbacks.onCreate(savedInstanceState);
         }
+        mOverlayManager = getDefaultOverlay();
+        PluginManagerWrapper.INSTANCE.get(this).addPluginListener(this,
+                OverlayPlugin.class, false /* allowedMultiple */);
+
         mRotationHelper.initialize();
 
         TraceHelper.endSection("Launcher-onCreate");
@@ -412,6 +435,39 @@
                 }
             }
         });
+        DejankBinderTracker.disallowBinderTrackingInTests();
+    }
+
+    protected LauncherOverlayManager getDefaultOverlay() {
+        return new LauncherOverlayManager() { };
+    }
+
+    @Override
+    public void onPluginConnected(OverlayPlugin overlayManager, Context context) {
+        switchOverlay(() -> overlayManager.createOverlayManager(this, this));
+    }
+
+    @Override
+    public void onPluginDisconnected(OverlayPlugin plugin) {
+        switchOverlay(this::getDefaultOverlay);
+    }
+
+    private void switchOverlay(Supplier<LauncherOverlayManager> overlaySupplier) {
+        if (mOverlayManager != null) {
+            mOverlayManager.onActivityDestroyed(this);
+        }
+        mOverlayManager = overlaySupplier.get();
+        if (getRootView().isAttachedToWindow()) {
+            mOverlayManager.onAttachedToWindow();
+        }
+        mDeferOverlayCallbacks = true;
+        checkIfOverlayStillDeferred();
+    }
+
+    @Override
+    protected void dispatchDeviceProfileChanged() {
+        super.dispatchDeviceProfileChanged();
+        mOverlayManager.onDeviceProvideChanged();
     }
 
     @Override
@@ -570,6 +626,7 @@
     /**
      * Call this after onCreate to set or clear overlay.
      */
+    @Override
     public void setLauncherOverlay(LauncherOverlay overlay) {
         if (overlay != null) {
             overlay.setOverlayCallbacks(new LauncherOverlayCallbacksImpl());
@@ -577,18 +634,16 @@
         mWorkspace.setLauncherOverlay(overlay);
     }
 
+    @Override
+    public void runOnOverlayHidden(Runnable runnable) {
+        getWorkspace().runOnOverlayHidden(runnable);
+    }
+
     public boolean setLauncherCallbacks(LauncherCallbacks callbacks) {
         mLauncherCallbacks = callbacks;
         return true;
     }
 
-    @Override
-    public void onLauncherProviderChanged() {
-        if (mLauncherCallbacks != null) {
-            mLauncherCallbacks.onLauncherProviderChange();
-        }
-    }
-
     public boolean isDraggingEnabled() {
         // We prevent dragging when we are loading the workspace as it is possible to pick up a view
         // that is subsequently removed from the workspace in startBinding().
@@ -787,9 +842,6 @@
             final int requestCode, final int resultCode, final Intent data) {
         mPendingActivityRequestCode = -1;
         handleActivityResult(requestCode, resultCode, data);
-        if (mLauncherCallbacks != null) {
-            mLauncherCallbacks.onActivityResult(requestCode, resultCode, data);
-        }
     }
 
     @Override
@@ -816,10 +868,6 @@
                         getString(R.string.derived_app_name)), Toast.LENGTH_SHORT).show();
             }
         }
-        if (mLauncherCallbacks != null) {
-            mLauncherCallbacks.onRequestPermissionsResult(requestCode, permissions,
-                    grantResults);
-        }
     }
 
     /**
@@ -878,9 +926,12 @@
     protected void onStop() {
         super.onStop();
 
-        if (mLauncherCallbacks != null) {
-            mLauncherCallbacks.onStop();
+        if (mDeferOverlayCallbacks) {
+            checkIfOverlayStillDeferred();
+        } else {
+            mOverlayManager.onActivityStopped(this);
         }
+
         logStopAndResume(Action.Command.STOP);
 
         mAppWidgetHost.setListenIfResumed(false);
@@ -896,13 +947,16 @@
 
     @Override
     protected void onStart() {
+        DejankBinderTracker.allowBinderTrackingInTests();
         RaceConditionTracker.onEvent(ON_START_EVT, ENTER);
         super.onStart();
-        if (mLauncherCallbacks != null) {
-            mLauncherCallbacks.onStart();
+        if (!mDeferOverlayCallbacks) {
+            mOverlayManager.onActivityStarted(this);
         }
+
         mAppWidgetHost.setListenIfResumed(true);
         RaceConditionTracker.onEvent(ON_START_EVT, EXIT);
+        DejankBinderTracker.disallowBinderTrackingInTests();
     }
 
     private void handleDeferredResume() {
@@ -942,15 +996,50 @@
         } else {
             getUserEventDispatcher().logActionCommand(command, containerType, -1);
         }
+    }
 
+    private void scheduleDeferredCheck() {
+        mHandler.removeCallbacks(mDeferredOverlayCallbacks);
+        postAsyncCallback(mHandler, mDeferredOverlayCallbacks);
+    }
+
+    private void checkIfOverlayStillDeferred() {
+        if (!mDeferOverlayCallbacks) {
+            return;
+        }
+        if (isStarted() && (!hasBeenResumed() || mStateManager.getState().disableInteraction)) {
+            return;
+        }
+        mDeferOverlayCallbacks = false;
+
+        // Move the client to the correct state. Calling the same method twice is no-op.
+        if (isStarted()) {
+            mOverlayManager.onActivityStarted(this);
+        }
+        if (hasBeenResumed()) {
+            mOverlayManager.onActivityResumed(this);
+        } else {
+            mOverlayManager.onActivityPaused(this);
+        }
+        if (!isStarted()) {
+            mOverlayManager.onActivityStopped(this);
+        }
+    }
+
+    public void deferOverlayCallbacksUntilNextResumeOrStop() {
+        mDeferOverlayCallbacks = true;
+    }
+
+    public LauncherOverlayManager getOverlayManager() {
+        return mOverlayManager;
     }
 
     public void onStateSetStart(LauncherState state) {
         if (mDeferredResumePending) {
             handleDeferredResume();
         }
-        if (mLauncherCallbacks != null) {
-            mLauncherCallbacks.onStateChanged();
+        if (mDeferOverlayCallbacks) {
+            scheduleDeferredCheck();
         }
     }
 
@@ -962,6 +1051,7 @@
 
     @Override
     protected void onResume() {
+        DejankBinderTracker.allowBinderTrackingInTests();
         RaceConditionTracker.onEvent(ON_RESUME_EVT, ENTER);
         TraceHelper.beginSection("ON_RESUME");
         super.onResume();
@@ -979,12 +1069,15 @@
             resumeCallbacks.clear();
         }
 
-        if (mLauncherCallbacks != null) {
-            mLauncherCallbacks.onResume();
+        if (mDeferOverlayCallbacks) {
+            scheduleDeferredCheck();
+        } else {
+            mOverlayManager.onActivityResumed(this);
         }
 
         TraceHelper.endSection("ON_RESUME");
         RaceConditionTracker.onEvent(ON_RESUME_EVT, EXIT);
+        DejankBinderTracker.disallowBinderTrackingInTests();
     }
 
     @Override
@@ -996,8 +1089,9 @@
         mDragController.cancelDrag();
         mDragController.resetLastGestureUpTime();
         mDropTargetBar.animateToVisibility(false);
-        if (mLauncherCallbacks != null) {
-            mLauncherCallbacks.onPause();
+
+        if (!mDeferOverlayCallbacks) {
+            mOverlayManager.onActivityPaused(this);
         }
     }
 
@@ -1013,35 +1107,6 @@
         mStateManager.onWindowFocusChanged();
     }
 
-    public interface LauncherOverlay {
-
-        /**
-         * Touch interaction leading to overscroll has begun
-         */
-        void onScrollInteractionBegin();
-
-        /**
-         * Touch interaction related to overscroll has ended
-         */
-        void onScrollInteractionEnd();
-
-        /**
-         * Scroll progress, between 0 and 100, when the user scrolls beyond the leftmost
-         * screen (or in the case of RTL, the rightmost screen).
-         */
-        void onScrollChange(float progress, boolean rtl);
-
-        /**
-         * Called when the launcher is ready to use the overlay
-         * @param callbacks A set of callbacks provided by Launcher in relation to the overlay
-         */
-        void setOverlayCallbacks(LauncherOverlayCallbacks callbacks);
-    }
-
-    public interface LauncherOverlayCallbacks {
-        void onScrollChanged(float progress);
-    }
-
     class LauncherOverlayCallbacksImpl implements LauncherOverlayCallbacks {
 
         public void onScrollChanged(float progress) {
@@ -1299,19 +1364,14 @@
     @Override
     public void onAttachedToWindow() {
         super.onAttachedToWindow();
-
-        if (mLauncherCallbacks != null) {
-            mLauncherCallbacks.onAttachedToWindow();
-        }
+        mOverlayManager.onAttachedToWindow();
     }
 
     @Override
     public void onDetachedFromWindow() {
         super.onDetachedFromWindow();
-
-        if (mLauncherCallbacks != null) {
-            mLauncherCallbacks.onDetachedFromWindow();
-        }
+        mOverlayManager.onDetachedFromWindow();
+        closeContextMenu();
     }
 
     public AllAppsTransitionController getAllAppsController() {
@@ -1360,10 +1420,16 @@
         return mModelWriter;
     }
 
+    @Override
     public SharedPreferences getSharedPrefs() {
         return mSharedPrefs;
     }
 
+    @Override
+    public SharedPreferences getDevicePrefs() {
+        return Utilities.getDevicePrefs(this);
+    }
+
     public int getOrientation() {
         return mOldConfig.orientation;
     }
@@ -1381,8 +1447,7 @@
         boolean shouldMoveToDefaultScreen = alreadyOnHome && isInState(NORMAL)
                 && AbstractFloatingView.getTopOpenView(this) == null;
         boolean isActionMain = Intent.ACTION_MAIN.equals(intent.getAction());
-        boolean internalStateHandled = InternalStateHandler
-                .handleNewIntent(this, intent, isStarted());
+        boolean internalStateHandled = ACTIVITY_TRACKER.handleNewIntent(this, intent);
 
         if (isActionMain) {
             if (!internalStateHandled) {
@@ -1420,6 +1485,7 @@
             if (mLauncherCallbacks != null) {
                 mLauncherCallbacks.onHomeIntent(internalStateHandled);
             }
+            mOverlayManager.hideOverlay(isStarted() && !isForceInvisible());
         }
 
         TraceHelper.endSection("NEW_INTENT");
@@ -1465,18 +1531,17 @@
         }
 
         super.onSaveInstanceState(outState);
-
-        if (mLauncherCallbacks != null) {
-            mLauncherCallbacks.onSaveInstanceState(outState);
-        }
+        mOverlayManager.onActivitySaveInstanceState(this, outState);
     }
 
     @Override
     public void onDestroy() {
         super.onDestroy();
+        ACTIVITY_TRACKER.onActivityDestroyed(this);
 
         unregisterReceiver(mScreenOffReceiver);
         mWorkspace.removeFolderListeners();
+        PluginManagerWrapper.INSTANCE.get(this).removePluginListener(this);
 
         if (mCancelTouchController != null) {
             mCancelTouchController.run();
@@ -1501,9 +1566,8 @@
         TextKeyListener.getInstance().release();
         clearPendingBinds();
         LauncherAppState.getIDP(this).removeOnChangeListener(this);
-        if (mLauncherCallbacks != null) {
-            mLauncherCallbacks.onDestroy();
-        }
+
+        mOverlayManager.onActivityDestroyed(this);
     }
 
     public LauncherAccessibilityDelegate getAccessibilityDelegate() {
@@ -1749,9 +1813,6 @@
         if (finishAutoCancelActionMode()) {
             return;
         }
-        if (mLauncherCallbacks != null && mLauncherCallbacks.handleBackPressed()) {
-            return;
-        }
 
         if (mDragController.isDragging()) {
             mDragController.cancelDrag();
@@ -1876,9 +1937,6 @@
             // This clears all widget bitmaps from the widget tray
             // TODO(hyunyoungs)
         }
-        if (mLauncherCallbacks != null) {
-            mLauncherCallbacks.onTrimMemory(level);
-        }
         UiFactory.onTrimMemory(this, level);
     }
 
@@ -2498,6 +2556,7 @@
         if (mLauncherCallbacks != null) {
             mLauncherCallbacks.dump(prefix, fd, writer, args);
         }
+        mOverlayManager.dump(prefix, writer);
     }
 
     @Override
diff --git a/src/com/android/launcher3/LauncherAppState.java b/src/com/android/launcher3/LauncherAppState.java
index d70abc2..efb3d36 100644
--- a/src/com/android/launcher3/LauncherAppState.java
+++ b/src/com/android/launcher3/LauncherAppState.java
@@ -17,6 +17,7 @@
 package com.android.launcher3;
 
 import static com.android.launcher3.InvariantDeviceProfile.CHANGE_FLAG_ICON_PARAMS;
+import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
 import static com.android.launcher3.util.SecureSettingsObserver.newNotificationSettingsObserver;
 
 import android.content.ComponentName;
@@ -28,12 +29,13 @@
 import android.util.Log;
 
 import com.android.launcher3.compat.LauncherAppsCompat;
-import com.android.launcher3.compat.PackageInstallerCompat;
 import com.android.launcher3.compat.UserManagerCompat;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.icons.LauncherIcons;
 import com.android.launcher3.notification.NotificationListener;
+import com.android.launcher3.pm.InstallSessionTracker;
+import com.android.launcher3.pm.PackageInstallerCompat;
 import com.android.launcher3.util.MainThreadInitializedObject;
 import com.android.launcher3.util.Preconditions;
 import com.android.launcher3.util.SecureSettingsObserver;
@@ -44,7 +46,7 @@
     public static final String ACTION_FORCE_ROLOAD = "force-reload-launcher";
 
     // We do not need any synchronization for this variable as its only written on UI thread.
-    private static final MainThreadInitializedObject<LauncherAppState> INSTANCE =
+    public static final MainThreadInitializedObject<LauncherAppState> INSTANCE =
             new MainThreadInitializedObject<>(LauncherAppState::new);
 
     private final Context mContext;
@@ -54,6 +56,8 @@
     private final InvariantDeviceProfile mInvariantDeviceProfile;
     private final SecureSettingsObserver mNotificationDotsObserver;
 
+    private final InstallSessionTracker mInstallSessionTracker;
+
     public static LauncherAppState getInstance(final Context context) {
         return INSTANCE.get(context);
     }
@@ -102,6 +106,9 @@
         mInvariantDeviceProfile.addOnChangeListener(this::onIdpChanged);
         new Handler().post( () -> mInvariantDeviceProfile.verifyConfigChangedInBackground(context));
 
+        mInstallSessionTracker = PackageInstallerCompat.getInstance(context)
+                .registerInstallTracker(mModel, MODEL_EXECUTOR);
+
         if (!mContext.getResources().getBoolean(R.bool.notification_dots_enabled)) {
             mNotificationDotsObserver = null;
         } else {
@@ -141,7 +148,7 @@
         mContext.unregisterReceiver(mModel);
         final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(mContext);
         launcherApps.removeOnAppsChangedCallback(mModel);
-        PackageInstallerCompat.getInstance(mContext).onStop();
+        mInstallSessionTracker.unregister();
         if (mNotificationDotsObserver != null) {
             mNotificationDotsObserver.unregister();
         }
diff --git a/src/com/android/launcher3/LauncherAppWidgetHost.java b/src/com/android/launcher3/LauncherAppWidgetHost.java
index 1215d43..4e29a95 100644
--- a/src/com/android/launcher3/LauncherAppWidgetHost.java
+++ b/src/com/android/launcher3/LauncherAppWidgetHost.java
@@ -29,7 +29,7 @@
 import android.util.SparseArray;
 import android.widget.Toast;
 
-import com.android.launcher3.config.FeatureFlags;
+import com.android.launcher3.model.WidgetsModel;
 import com.android.launcher3.widget.DeferredAppWidgetHostView;
 import com.android.launcher3.widget.LauncherAppWidgetHostView;
 import com.android.launcher3.widget.custom.CustomWidgetManager;
@@ -80,7 +80,7 @@
 
     @Override
     public void startListening() {
-        if (FeatureFlags.GO_DISABLE_WIDGETS) {
+        if (WidgetsModel.GO_DISABLE_WIDGETS) {
             return;
         }
         mFlags |= FLAG_LISTENING;
@@ -107,7 +107,7 @@
 
     @Override
     public void stopListening() {
-        if (FeatureFlags.GO_DISABLE_WIDGETS) {
+        if (WidgetsModel.GO_DISABLE_WIDGETS) {
             return;
         }
         mFlags &= ~FLAG_LISTENING;
@@ -166,7 +166,7 @@
 
     @Override
     public int allocateAppWidgetId() {
-        if (FeatureFlags.GO_DISABLE_WIDGETS) {
+        if (WidgetsModel.GO_DISABLE_WIDGETS) {
             return AppWidgetManager.INVALID_APPWIDGET_ID;
         }
 
@@ -263,7 +263,7 @@
     public void startBindFlow(BaseActivity activity,
             int appWidgetId, AppWidgetProviderInfo info, int requestCode) {
 
-        if (FeatureFlags.GO_DISABLE_WIDGETS) {
+        if (WidgetsModel.GO_DISABLE_WIDGETS) {
             sendActionCancelled(activity, requestCode);
             return;
         }
@@ -279,7 +279,7 @@
 
 
     public void startConfigActivity(BaseActivity activity, int widgetId, int requestCode) {
-        if (FeatureFlags.GO_DISABLE_WIDGETS) {
+        if (WidgetsModel.GO_DISABLE_WIDGETS) {
             sendActionCancelled(activity, requestCode);
             return;
         }
diff --git a/src/com/android/launcher3/LauncherCallbacks.java b/src/com/android/launcher3/LauncherCallbacks.java
index dfe75ec..0e529bd 100644
--- a/src/com/android/launcher3/LauncherCallbacks.java
+++ b/src/com/android/launcher3/LauncherCallbacks.java
@@ -16,7 +16,6 @@
 
 package com.android.launcher3;
 
-import android.content.Intent;
 import android.os.Bundle;
 
 import java.io.FileDescriptor;
@@ -36,31 +35,8 @@
      * the code in the corresponding Launcher method is executed.
      */
     void onCreate(Bundle savedInstanceState);
-    void onResume();
-    void onStart();
-    void onStop();
-    void onPause();
-    void onDestroy();
-    void onSaveInstanceState(Bundle outState);
-    void onActivityResult(int requestCode, int resultCode, Intent data);
-    void onRequestPermissionsResult(int requestCode, String[] permissions,
-            int[] grantResults);
-    void onAttachedToWindow();
-    void onDetachedFromWindow();
     void dump(String prefix, FileDescriptor fd, PrintWriter w, String[] args);
     void onHomeIntent(boolean internalStateHandled);
-    boolean handleBackPressed();
-    void onTrimMemory(int level);
-
-    /**
-     * Called when the launcher state changed
-     */
-    default void onStateChanged() { }
-
-    /*
-     * Extension points for providing custom behavior on certain user interactions.
-     */
-    void onLauncherProviderChange();
 
     /**
      * Starts a search with {@param initialQuery}. Return false if search was not started.
diff --git a/src/com/android/launcher3/LauncherModel.java b/src/com/android/launcher3/LauncherModel.java
index c0cf135..f360325 100644
--- a/src/com/android/launcher3/LauncherModel.java
+++ b/src/com/android/launcher3/LauncherModel.java
@@ -24,8 +24,8 @@
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.PackageInstaller;
 import android.content.pm.ShortcutInfo;
-import android.os.Process;
 import android.os.UserHandle;
 import android.text.TextUtils;
 import android.util.Log;
@@ -34,8 +34,8 @@
 import androidx.annotation.Nullable;
 
 import com.android.launcher3.compat.LauncherAppsCompat;
-import com.android.launcher3.compat.PackageInstallerCompat.PackageInstallInfo;
 import com.android.launcher3.compat.UserManagerCompat;
+import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.icons.LauncherIcons;
 import com.android.launcher3.logging.FileLog;
@@ -52,6 +52,8 @@
 import com.android.launcher3.model.PackageUpdatedTask;
 import com.android.launcher3.model.ShortcutsChangedTask;
 import com.android.launcher3.model.UserLockStateChangedTask;
+import com.android.launcher3.pm.InstallSessionTracker;
+import com.android.launcher3.pm.PackageInstallInfo;
 import com.android.launcher3.shortcuts.DeepShortcutManager;
 import com.android.launcher3.util.IntSparseArrayMap;
 import com.android.launcher3.util.ItemInfoMatcher;
@@ -75,7 +77,7 @@
  * for the Launcher.
  */
 public class LauncherModel extends BroadcastReceiver
-        implements LauncherAppsCompat.OnAppsChangedCallbackCompat {
+        implements LauncherAppsCompat.OnAppsChangedCallbackCompat, InstallSessionTracker.Callback {
     private static final boolean DEBUG_RECEIVER = false;
 
     static final String TAG = "Launcher.Model";
@@ -127,20 +129,6 @@
         mBgAllAppsList = new AllAppsList(iconCache, appFilter);
     }
 
-    public void setPackageState(PackageInstallInfo installInfo) {
-        enqueueModelUpdateTask(new PackageInstallStateChangedTask(installInfo));
-    }
-
-    /**
-     * Updates the icons and label of all pending icons for the provided package name.
-     */
-    public void updateSessionDisplayInfo(final String packageName) {
-        HashSet<String> packages = new HashSet<>();
-        packages.add(packageName);
-        enqueueModelUpdateTask(new CacheDataUpdatedTask(
-                CacheDataUpdatedTask.OP_SESSION_UPDATE, Process.myUserHandle(), packages));
-    }
-
     /**
      * Adds the provided items to the workspace.
      */
@@ -173,30 +161,6 @@
         enqueueModelUpdateTask(new PackageUpdatedTask(op, user, packageName));
     }
 
-    public void onSessionFailure(String packageName, UserHandle user) {
-        enqueueModelUpdateTask(new BaseModelUpdateTask() {
-            @Override
-            public void execute(LauncherAppState app, BgDataModel dataModel, AllAppsList apps) {
-                final IntSparseArrayMap<Boolean> removedIds = new IntSparseArrayMap<>();
-                synchronized (dataModel) {
-                    for (ItemInfo info : dataModel.itemsIdMap) {
-                        if (info instanceof WorkspaceItemInfo
-                                && ((WorkspaceItemInfo) info).hasPromiseIconUi()
-                                && user.equals(info.user)
-                                && info.getIntent() != null
-                                && TextUtils.equals(packageName, info.getIntent().getPackage())) {
-                            removedIds.put(info.id, true /* remove */);
-                        }
-                    }
-                }
-
-                if (!removedIds.isEmpty()) {
-                    deleteAndBindComponentsRemoved(ItemInfoMatcher.ofItemIds(removedIds, false));
-                }
-            }
-        });
-    }
-
     @Override
     public void onPackageRemoved(String packageName, UserHandle user) {
         onPackagesRemoved(user, packageName);
@@ -392,16 +356,65 @@
         }
     }
 
+    @Override
     public void onInstallSessionCreated(final PackageInstallInfo sessionInfo) {
+        if (FeatureFlags.PROMISE_APPS_IN_ALL_APPS.get()) {
+            enqueueModelUpdateTask(new BaseModelUpdateTask() {
+                @Override
+                public void execute(LauncherAppState app, BgDataModel dataModel, AllAppsList apps) {
+                    apps.addPromiseApp(app.getContext(), sessionInfo);
+                    bindApplicationsIfNeeded();
+                }
+            });
+        }
+    }
+
+    @Override
+    public void onSessionFailure(String packageName, UserHandle user) {
+        if (!FeatureFlags.PROMISE_APPS_NEW_INSTALLS.get()) {
+            return;
+        }
         enqueueModelUpdateTask(new BaseModelUpdateTask() {
             @Override
             public void execute(LauncherAppState app, BgDataModel dataModel, AllAppsList apps) {
-                apps.addPromiseApp(app.getContext(), sessionInfo);
-                bindApplicationsIfNeeded();
+                final IntSparseArrayMap<Boolean> removedIds = new IntSparseArrayMap<>();
+                synchronized (dataModel) {
+                    for (ItemInfo info : dataModel.itemsIdMap) {
+                        if (info instanceof WorkspaceItemInfo
+                                && ((WorkspaceItemInfo) info).hasPromiseIconUi()
+                                && user.equals(info.user)
+                                && info.getIntent() != null
+                                && TextUtils.equals(packageName, info.getIntent().getPackage())) {
+                            removedIds.put(info.id, true /* remove */);
+                        }
+                    }
+                }
+
+                if (!removedIds.isEmpty()) {
+                    deleteAndBindComponentsRemoved(ItemInfoMatcher.ofItemIds(removedIds, false));
+                }
             }
         });
     }
 
+    @Override
+    public void onPackageStateChanged(PackageInstallInfo installInfo) {
+        enqueueModelUpdateTask(new PackageInstallStateChangedTask(installInfo));
+    }
+
+    /**
+     * Updates the icons and label of all pending icons for the provided package name.
+     */
+    @Override
+    public void onUpdateSessionDisplay(PackageUserKey key, PackageInstaller.SessionInfo info) {
+        mApp.getIconCache().updateSessionCache(key, info);
+
+        HashSet<String> packages = new HashSet<>();
+        packages.add(key.mPackageName);
+        enqueueModelUpdateTask(new CacheDataUpdatedTask(
+                CacheDataUpdatedTask.OP_SESSION_UPDATE, key.mUser, packages));
+    }
+
     public class LoaderTransaction implements AutoCloseable {
 
         private final LoaderTask mTask;
diff --git a/src/com/android/launcher3/LauncherProvider.java b/src/com/android/launcher3/LauncherProvider.java
index 6081300..d78c1b3 100644
--- a/src/com/android/launcher3/LauncherProvider.java
+++ b/src/com/android/launcher3/LauncherProvider.java
@@ -223,7 +223,6 @@
         mOpenHelper.onAddOrDeleteOp(db);
 
         uri = ContentUris.withAppendedId(uri, rowId);
-        notifyListeners();
         reloadLauncherIfExternal();
         return uri;
     }
@@ -283,7 +282,6 @@
             t.commit();
         }
 
-        notifyListeners();
         reloadLauncherIfExternal();
         return values.length;
     }
@@ -329,7 +327,6 @@
         int count = db.delete(args.table, args.where, args.args);
         if (count > 0) {
             mOpenHelper.onAddOrDeleteOp(db);
-            notifyListeners();
             reloadLauncherIfExternal();
         }
         return count;
@@ -343,8 +340,6 @@
         addModifiedTime(values);
         SQLiteDatabase db = mOpenHelper.getWritableDatabase();
         int count = db.update(args.table, values, args.where, args.args);
-        if (count > 0) notifyListeners();
-
         reloadLauncherIfExternal();
         return count;
     }
@@ -438,13 +433,6 @@
         }
     }
 
-    /**
-     * Overridden in tests
-     */
-    protected void notifyListeners() {
-        mListenerHandler.sendEmptyMessage(ChangeListenerWrapper.MSG_LAUNCHER_PROVIDER_CHANGED);
-    }
-
     @Thunk static void addModifiedTime(ContentValues values) {
         values.put(LauncherSettings.Favorites.MODIFIED, System.currentTimeMillis());
     }
@@ -1042,7 +1030,6 @@
 
     private static class ChangeListenerWrapper implements Handler.Callback {
 
-        private static final int MSG_LAUNCHER_PROVIDER_CHANGED = 1;
         private static final int MSG_APP_WIDGET_HOST_RESET = 2;
 
         private LauncherProviderChangeListener mListener;
@@ -1051,9 +1038,6 @@
         public boolean handleMessage(Message msg) {
             if (mListener != null) {
                 switch (msg.what) {
-                    case MSG_LAUNCHER_PROVIDER_CHANGED:
-                        mListener.onLauncherProviderChanged();
-                        break;
                     case MSG_APP_WIDGET_HOST_RESET:
                         mListener.onAppWidgetHostReset();
                         break;
diff --git a/src/com/android/launcher3/LauncherProviderChangeListener.java b/src/com/android/launcher3/LauncherProviderChangeListener.java
index 0243088..6afe885 100644
--- a/src/com/android/launcher3/LauncherProviderChangeListener.java
+++ b/src/com/android/launcher3/LauncherProviderChangeListener.java
@@ -7,7 +7,5 @@
  */
 public interface LauncherProviderChangeListener {
 
-    void onLauncherProviderChanged();
-
     void onAppWidgetHostReset();
 }
diff --git a/src/com/android/launcher3/LauncherRootView.java b/src/com/android/launcher3/LauncherRootView.java
index f964b8d..ce1795a 100644
--- a/src/com/android/launcher3/LauncherRootView.java
+++ b/src/com/android/launcher3/LauncherRootView.java
@@ -39,6 +39,8 @@
     private WindowStateListener mWindowStateListener;
     @ViewDebug.ExportedProperty(category = "launcher")
     private boolean mDisallowBackGesture;
+    @ViewDebug.ExportedProperty(category = "launcher")
+    private boolean mForceHideBackArrow;
 
     public LauncherRootView(Context context, AttributeSet attrs) {
         super(context, attrs);
@@ -176,12 +178,18 @@
     }
 
     @TargetApi(Build.VERSION_CODES.Q)
+    public void setForceHideBackArrow(boolean forceHideBackArrow) {
+        this.mForceHideBackArrow = forceHideBackArrow;
+        setDisallowBackGesture(mDisallowBackGesture);
+    }
+
+    @TargetApi(Build.VERSION_CODES.Q)
     public void setDisallowBackGesture(boolean disallowBackGesture) {
         if (!Utilities.ATLEAST_Q) {
             return;
         }
         mDisallowBackGesture = disallowBackGesture;
-        setSystemGestureExclusionRects(mDisallowBackGesture
+        setSystemGestureExclusionRects((mForceHideBackArrow || mDisallowBackGesture)
                 ? SYSTEM_GESTURE_EXCLUSION_RECT
                 : Collections.emptyList());
     }
diff --git a/src/com/android/launcher3/PromiseAppInfo.java b/src/com/android/launcher3/PromiseAppInfo.java
index 4ad0b3d..e55e4bd 100644
--- a/src/com/android/launcher3/PromiseAppInfo.java
+++ b/src/com/android/launcher3/PromiseAppInfo.java
@@ -19,16 +19,16 @@
 import android.content.Context;
 import android.content.Intent;
 
-import com.android.launcher3.compat.PackageInstallerCompat;
-import com.android.launcher3.util.PackageManagerHelper;
-
 import androidx.annotation.NonNull;
 
+import com.android.launcher3.pm.PackageInstallInfo;
+import com.android.launcher3.util.PackageManagerHelper;
+
 public class PromiseAppInfo extends AppInfo {
 
     public int level = 0;
 
-    public PromiseAppInfo(@NonNull PackageInstallerCompat.PackageInstallInfo installInfo) {
+    public PromiseAppInfo(@NonNull PackageInstallInfo installInfo) {
         componentName = installInfo.componentName;
         intent = new Intent(Intent.ACTION_MAIN)
                 .addCategory(Intent.CATEGORY_LAUNCHER)
diff --git a/src/com/android/launcher3/SessionCommitReceiver.java b/src/com/android/launcher3/SessionCommitReceiver.java
index 6853bf6..55402dd 100644
--- a/src/com/android/launcher3/SessionCommitReceiver.java
+++ b/src/com/android/launcher3/SessionCommitReceiver.java
@@ -16,6 +16,8 @@
 
 package com.android.launcher3;
 
+import static com.android.launcher3.pm.PackageInstallerCompat.getUserHandle;
+
 import android.annotation.TargetApi;
 import android.content.BroadcastReceiver;
 import android.content.ComponentName;
@@ -38,13 +40,11 @@
 import android.util.Log;
 
 import com.android.launcher3.compat.LauncherAppsCompat;
+import com.android.launcher3.pm.PackageInstallerCompat;
 import com.android.launcher3.util.Executors;
-import com.android.launcher3.compat.PackageInstallerCompat;
 
 import java.util.List;
 
-import static com.android.launcher3.compat.PackageInstallerCompat.getUserHandle;
-
 /**
  * BroadcastReceiver to handle session commit intent.
  */
diff --git a/src/com/android/launcher3/WidgetPreviewLoader.java b/src/com/android/launcher3/WidgetPreviewLoader.java
index 003bcc1..abf6cbd 100644
--- a/src/com/android/launcher3/WidgetPreviewLoader.java
+++ b/src/com/android/launcher3/WidgetPreviewLoader.java
@@ -30,6 +30,7 @@
 import android.os.UserHandle;
 import android.util.Log;
 import android.util.LongSparseArray;
+import android.util.Pair;
 
 import androidx.annotation.Nullable;
 
@@ -289,14 +290,25 @@
         return null;
     }
 
-    private Bitmap generatePreview(BaseActivity launcher, WidgetItem item, Bitmap recycle,
+    /**
+     * Returns generatedPreview for a widget and if the preview should be saved in persistent
+     * storage.
+     * @param launcher
+     * @param item
+     * @param recycle
+     * @param previewWidth
+     * @param previewHeight
+     * @return Pair<Bitmap, Boolean>
+     */
+    private Pair<Bitmap, Boolean> generatePreview(BaseActivity launcher, WidgetItem item,
+            Bitmap recycle,
             int previewWidth, int previewHeight) {
         if (item.widgetInfo != null) {
             return generateWidgetPreview(launcher, item.widgetInfo,
                     previewWidth, recycle, null);
         } else {
-            return generateShortcutPreview(launcher, item.activityInfo,
-                    previewWidth, previewHeight, recycle);
+            return new Pair<>(generateShortcutPreview(launcher, item.activityInfo,
+                    previewWidth, previewHeight, recycle), false);
         }
     }
 
@@ -309,9 +321,10 @@
      * @param maxPreviewWidth             width of the preview on either workspace or tray
      * @param preview                     bitmap that can be recycled
      * @param preScaledWidthOut           return the width of the returned bitmap
-     * @return
+     * @return Pair<Bitmap (the preview) , Boolean (should be stored in db)>
      */
-    public Bitmap generateWidgetPreview(BaseActivity launcher, LauncherAppWidgetProviderInfo info,
+    public Pair<Bitmap, Boolean> generateWidgetPreview(BaseActivity launcher,
+            LauncherAppWidgetProviderInfo info,
             int maxPreviewWidth, Bitmap preview, int[] preScaledWidthOut) {
         // Load the preview image if possible
         if (maxPreviewWidth < 0) maxPreviewWidth = Integer.MAX_VALUE;
@@ -341,6 +354,8 @@
         int previewWidth;
         int previewHeight;
 
+        boolean savePreviewImage = widgetPreviewExists || info.previewImage == 0;
+
         if (widgetPreviewExists && drawable.getIntrinsicWidth() > 0
                 && drawable.getIntrinsicHeight() > 0) {
             previewWidth = drawable.getIntrinsicWidth();
@@ -427,10 +442,12 @@
                     icon.setBounds(hoffset, yoffset, hoffset + iconSize, yoffset + iconSize);
                     icon.draw(c);
                 }
-            } catch (Resources.NotFoundException e) { }
+            } catch (Resources.NotFoundException e) {
+                savePreviewImage = false;
+            }
             c.setBitmap(null);
         }
-        return preview;
+        return new Pair<>(preview, savePreviewImage);
     }
 
     private RectF drawBoxWithShadow(Canvas c, int width, int height) {
@@ -533,6 +550,8 @@
         @Thunk long[] mVersions;
         @Thunk Bitmap mBitmapToRecycle;
 
+        private boolean mSaveToDB = false;
+
         PreviewLoadTask(WidgetCacheKey key, WidgetItem info, int previewWidth,
                 int previewHeight, WidgetCell caller) {
             mKey = key;
@@ -588,7 +607,10 @@
                         : null;
 
                 // it's not in the db... we need to generate it
-                preview = generatePreview(mActivity, mInfo, unusedBitmap, mPreviewWidth, mPreviewHeight);
+                Pair<Bitmap, Boolean> pair = generatePreview(mActivity, mInfo, unusedBitmap,
+                        mPreviewWidth, mPreviewHeight);
+                preview = pair.first;
+                this.mSaveToDB = pair.second;
             }
             return preview;
         }
@@ -602,7 +624,7 @@
                 MODEL_EXECUTOR.post(new Runnable() {
                     @Override
                     public void run() {
-                        if (!isCancelled()) {
+                        if (!isCancelled() && mSaveToDB) {
                             // If we are still using this preview, then write it to the DB and then
                             // let the normal clear mechanism recycle the bitmap
                             writeToDb(mKey, mVersions, preview);
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 474c59d..eca5d12 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -60,7 +60,6 @@
 import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.Toast;
 
-import com.android.launcher3.Launcher.LauncherOverlay;
 import com.android.launcher3.LauncherAppWidgetHost.ProviderChangedListener;
 import com.android.launcher3.LauncherStateManager.AnimationConfig;
 import com.android.launcher3.accessibility.AccessibleDragListenerAdapter;
@@ -101,6 +100,7 @@
 import com.android.launcher3.widget.PendingAddShortcutInfo;
 import com.android.launcher3.widget.PendingAddWidgetInfo;
 import com.android.launcher3.widget.PendingAppWidgetHostView;
+import com.android.systemui.plugins.shared.LauncherOverlayManager.LauncherOverlay;
 
 import java.util.ArrayList;
 import java.util.HashSet;
@@ -965,6 +965,9 @@
         onOverlayScrollChanged(0);
     }
 
+    public boolean hasOverlay() {
+        return mLauncherOverlay != null;
+    }
 
     private boolean isScrollingOverlay() {
         return mLauncherOverlay != null &&
diff --git a/src/com/android/launcher3/allapps/AllAppsContainerView.java b/src/com/android/launcher3/allapps/AllAppsContainerView.java
index 37ee248..13b7b54 100644
--- a/src/com/android/launcher3/allapps/AllAppsContainerView.java
+++ b/src/com/android/launcher3/allapps/AllAppsContainerView.java
@@ -21,12 +21,10 @@
 import android.graphics.Paint;
 import android.graphics.Point;
 import android.graphics.Rect;
-import android.os.Bundle;
 import android.os.Process;
 import android.text.Selection;
 import android.text.SpannableStringBuilder;
 import android.util.AttributeSet;
-import android.util.Log;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.MotionEvent;
@@ -34,6 +32,13 @@
 import android.view.ViewGroup;
 import android.view.WindowInsets;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.annotation.StringRes;
+import androidx.dynamicanimation.animation.DynamicAnimation;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
 import com.android.launcher3.AppInfo;
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.DeviceProfile.OnDeviceProfileChangeListener;
@@ -45,10 +50,7 @@
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.R;
-import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.compat.AccessibilityManagerCompat;
-import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.keyboard.FocusedItemDecorator;
 import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
@@ -60,13 +62,6 @@
 import com.android.launcher3.views.RecyclerViewFastScroller;
 import com.android.launcher3.views.SpringRelativeLayout;
 
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.annotation.StringRes;
-import androidx.dynamicanimation.animation.DynamicAnimation;
-import androidx.recyclerview.widget.LinearLayoutManager;
-import androidx.recyclerview.widget.RecyclerView;
-
 /**
  * The all apps view container.
  */
@@ -163,16 +158,14 @@
     }
 
     private void onAppsUpdated() {
-        if (FeatureFlags.ALL_APPS_TABS_ENABLED) {
-            boolean hasWorkApps = false;
-            for (AppInfo app : mAllAppsStore.getApps()) {
-                if (mWorkMatcher.matches(app, null)) {
-                    hasWorkApps = true;
-                    break;
-                }
+        boolean hasWorkApps = false;
+        for (AppInfo app : mAllAppsStore.getApps()) {
+            if (mWorkMatcher.matches(app, null)) {
+                hasWorkApps = true;
+                break;
             }
-            rebindAdapters(hasWorkApps);
         }
+        rebindAdapters(hasWorkApps);
     }
 
     /**
@@ -616,17 +609,4 @@
                     && verticalFadingEdge);
         }
     }
-
-    @Override
-    public boolean performAccessibilityAction(int action, Bundle arguments) {
-        if (AccessibilityManagerCompat.processTestRequest(
-                mLauncher, TestProtocol.GET_SCROLL_MESSAGE, action, arguments,
-                response ->
-                        response.putInt(TestProtocol.SCROLL_Y_FIELD,
-                                getActiveRecyclerView().getCurrentScrollY()))) {
-            return true;
-        }
-
-        return super.performAccessibilityAction(action, arguments);
-    }
 }
diff --git a/src/com/android/launcher3/allapps/DiscoveryBounce.java b/src/com/android/launcher3/allapps/DiscoveryBounce.java
index 8c59626..dc2f7bd 100644
--- a/src/com/android/launcher3/allapps/DiscoveryBounce.java
+++ b/src/com/android/launcher3/allapps/DiscoveryBounce.java
@@ -31,12 +31,10 @@
 import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherState;
-import com.android.launcher3.LauncherStateManager;
 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.states.InternalStateHandler;
 
 /**
  * Abstract base class of floating view responsible for showing discovery bounce animation
@@ -181,7 +179,7 @@
         if (withDelay) {
             new Handler().postDelayed(() -> showForOverviewIfNeeded(launcher, false), DELAY_MS);
             return;
-        } else if (InternalStateHandler.hasPending()
+        } else if (Launcher.ACTIVITY_TRACKER.hasPending()
                 || AbstractFloatingView.getTopOpenView(launcher) != null) {
             // TODO: Move these checks to the top and call this method after invalidate handler.
             return;
diff --git a/src/com/android/launcher3/compat/AccessibilityManagerCompat.java b/src/com/android/launcher3/compat/AccessibilityManagerCompat.java
index 81c95cb..d47a40e 100644
--- a/src/com/android/launcher3/compat/AccessibilityManagerCompat.java
+++ b/src/com/android/launcher3/compat/AccessibilityManagerCompat.java
@@ -21,12 +21,9 @@
 import android.view.View;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityManager;
-import android.view.accessibility.AccessibilityNodeInfo;
 
-import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.Utilities;
-
-import java.util.function.Consumer;
+import com.android.launcher3.testing.TestProtocol;
 
 public class AccessibilityManagerCompat {
 
@@ -103,24 +100,6 @@
         return accessibilityManager;
     }
 
-    public static boolean processTestRequest(Context context, String eventTag, int action,
-            Bundle request, Consumer<Bundle> responseFiller) {
-        final AccessibilityManager accessibilityManager = getAccessibilityManagerForTest(context);
-        if (accessibilityManager == null) return false;
-
-        // The test sends a request via a ACTION_SET_TEXT.
-        if (action == AccessibilityNodeInfo.ACTION_SET_TEXT &&
-                eventTag.equals(request.getCharSequence(
-                        AccessibilityNodeInfo.ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE))) {
-            final Bundle response = new Bundle();
-            responseFiller.accept(response);
-            AccessibilityManagerCompat.sendEventToTest(
-                    accessibilityManager, eventTag + TestProtocol.RESPONSE_MESSAGE_POSTFIX, response);
-            return true;
-        }
-        return false;
-    }
-
     public static int getRecommendedTimeoutMillis(Context context, int originalTimeout, int flags) {
         if (Utilities.ATLEAST_Q) {
             return getManager(context).getRecommendedTimeoutMillis(originalTimeout, flags);
diff --git a/src/com/android/launcher3/compat/AppWidgetManagerCompatVL.java b/src/com/android/launcher3/compat/AppWidgetManagerCompatVL.java
index c8b1f67..8f6500b 100644
--- a/src/com/android/launcher3/compat/AppWidgetManagerCompatVL.java
+++ b/src/com/android/launcher3/compat/AppWidgetManagerCompatVL.java
@@ -28,7 +28,7 @@
 
 import com.android.launcher3.LauncherAppWidgetInfo;
 import com.android.launcher3.LauncherAppWidgetProviderInfo;
-import com.android.launcher3.config.FeatureFlags;
+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;
@@ -51,7 +51,7 @@
 
     @Override
     public List<AppWidgetProviderInfo> getAllProviders(@Nullable PackageUserKey packageUser) {
-        if (FeatureFlags.GO_DISABLE_WIDGETS) {
+        if (WidgetsModel.GO_DISABLE_WIDGETS) {
             return Collections.emptyList();
         }
         if (packageUser == null) {
@@ -82,7 +82,7 @@
     @Override
     public boolean bindAppWidgetIdIfAllowed(int appWidgetId, AppWidgetProviderInfo info,
             Bundle options) {
-        if (FeatureFlags.GO_DISABLE_WIDGETS) {
+        if (WidgetsModel.GO_DISABLE_WIDGETS) {
             return false;
         }
         if (appWidgetId <= LauncherAppWidgetInfo.CUSTOM_WIDGET_ID) {
@@ -94,7 +94,7 @@
 
     @Override
     public LauncherAppWidgetProviderInfo findProvider(ComponentName provider, UserHandle user) {
-        if (FeatureFlags.GO_DISABLE_WIDGETS) {
+        if (WidgetsModel.GO_DISABLE_WIDGETS) {
             return null;
         }
         for (AppWidgetProviderInfo info :
@@ -117,7 +117,7 @@
     @Override
     public HashMap<ComponentKey, AppWidgetProviderInfo> getAllProvidersMap() {
         HashMap<ComponentKey, AppWidgetProviderInfo> result = new HashMap<>();
-        if (FeatureFlags.GO_DISABLE_WIDGETS) {
+        if (WidgetsModel.GO_DISABLE_WIDGETS) {
             return result;
         }
         for (UserHandle user : mUserManager.getUserProfiles()) {
diff --git a/src/com/android/launcher3/compat/AppWidgetManagerCompatVO.java b/src/com/android/launcher3/compat/AppWidgetManagerCompatVO.java
index 11ec333..2814afc 100644
--- a/src/com/android/launcher3/compat/AppWidgetManagerCompatVO.java
+++ b/src/com/android/launcher3/compat/AppWidgetManagerCompatVO.java
@@ -21,7 +21,7 @@
 
 import androidx.annotation.Nullable;
 
-import com.android.launcher3.config.FeatureFlags;
+import com.android.launcher3.model.WidgetsModel;
 import com.android.launcher3.util.PackageUserKey;
 
 import java.util.Collections;
@@ -35,7 +35,7 @@
 
     @Override
     public List<AppWidgetProviderInfo> getAllProviders(@Nullable PackageUserKey packageUser) {
-        if (FeatureFlags.GO_DISABLE_WIDGETS) {
+        if (WidgetsModel.GO_DISABLE_WIDGETS) {
             return Collections.emptyList();
         }
         if (packageUser == null) {
diff --git a/src/com/android/launcher3/compat/LauncherAppsCompat.java b/src/com/android/launcher3/compat/LauncherAppsCompat.java
index cdb5c4d..047346d 100644
--- a/src/com/android/launcher3/compat/LauncherAppsCompat.java
+++ b/src/com/android/launcher3/compat/LauncherAppsCompat.java
@@ -21,7 +21,6 @@
 import android.content.Intent;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.LauncherActivityInfo;
-import android.content.pm.PackageInstaller;
 import android.content.pm.ShortcutInfo;
 import android.graphics.Rect;
 import android.os.Bundle;
@@ -59,9 +58,7 @@
     public static LauncherAppsCompat getInstance(Context context) {
         synchronized (sInstanceLock) {
             if (sInstance == null) {
-                if (Utilities.ATLEAST_Q) {
-                    sInstance = new LauncherAppsCompatVQ(context.getApplicationContext());
-                } else if (Utilities.ATLEAST_OREO) {
+                if (Utilities.ATLEAST_OREO) {
                     sInstance = new LauncherAppsCompatVO(context.getApplicationContext());
                 } else {
                     sInstance = new LauncherAppsCompatVL(context.getApplicationContext());
@@ -88,6 +85,4 @@
             UserHandle user);
     public abstract List<ShortcutConfigActivityInfo> getCustomShortcutActivityList(
             @Nullable PackageUserKey packageUser);
-
-    public abstract List<PackageInstaller.SessionInfo> getAllPackageInstallerSessions();
 }
diff --git a/src/com/android/launcher3/compat/LauncherAppsCompatVL.java b/src/com/android/launcher3/compat/LauncherAppsCompatVL.java
index 1885d8f..f1b9756 100644
--- a/src/com/android/launcher3/compat/LauncherAppsCompatVL.java
+++ b/src/com/android/launcher3/compat/LauncherAppsCompatVL.java
@@ -22,7 +22,6 @@
 import android.content.pm.ApplicationInfo;
 import android.content.pm.LauncherActivityInfo;
 import android.content.pm.LauncherApps;
-import android.content.pm.PackageInstaller;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.content.pm.ShortcutInfo;
@@ -33,6 +32,9 @@
 import android.util.ArrayMap;
 import android.util.Log;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
 import com.android.launcher3.compat.ShortcutConfigActivityInfo.ShortcutConfigActivityInfoVL;
 import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.util.PackageUserKey;
@@ -41,9 +43,6 @@
 import java.util.Arrays;
 import java.util.List;
 
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-
 public class LauncherAppsCompatVL extends LauncherAppsCompat {
 
     protected final LauncherApps mLauncherApps;
@@ -207,10 +206,5 @@
         }
         return result;
     }
-
-    @Override
-    public List<PackageInstaller.SessionInfo> getAllPackageInstallerSessions() {
-        return mContext.getPackageManager().getPackageInstaller().getAllSessions();
-    }
 }
 
diff --git a/src/com/android/launcher3/compat/LauncherAppsCompatVQ.java b/src/com/android/launcher3/compat/LauncherAppsCompatVQ.java
deleted file mode 100644
index 0a1811e..0000000
--- a/src/com/android/launcher3/compat/LauncherAppsCompatVQ.java
+++ /dev/null
@@ -1,36 +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.compat;
-
-import android.annotation.TargetApi;
-import android.content.Context;
-import android.content.Intent;
-import android.content.pm.PackageInstaller;
-
-import java.util.List;
-
-@TargetApi(29)
-public class LauncherAppsCompatVQ extends LauncherAppsCompatVO {
-
-    LauncherAppsCompatVQ(Context context) {
-        super(context);
-    }
-
-    public List<PackageInstaller.SessionInfo> getAllPackageInstallerSessions() {
-        return mLauncherApps.getAllPackageInstallerSessions();
-    }
-}
diff --git a/src/com/android/launcher3/compat/PackageInstallerCompat.java b/src/com/android/launcher3/compat/PackageInstallerCompat.java
deleted file mode 100644
index 55df98b..0000000
--- a/src/com/android/launcher3/compat/PackageInstallerCompat.java
+++ /dev/null
@@ -1,118 +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.ComponentName;
-import android.content.Context;
-import android.content.pm.PackageInstaller;
-import android.content.pm.PackageInstaller.SessionInfo;
-import android.os.Process;
-import android.os.UserHandle;
-
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.List;
-
-import androidx.annotation.NonNull;
-
-import com.android.launcher3.Utilities;
-import com.android.launcher3.util.PackageUserKey;
-
-public abstract class PackageInstallerCompat {
-
-    // 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";
-
-    public static final int STATUS_INSTALLED = 0;
-    public static final int STATUS_INSTALLING = 1;
-    public static final int STATUS_FAILED = 2;
-
-    private static final Object sInstanceLock = new Object();
-    private static PackageInstallerCompat sInstance;
-
-    public static PackageInstallerCompat getInstance(Context context) {
-        synchronized (sInstanceLock) {
-            if (sInstance == null) {
-                sInstance = new PackageInstallerCompatVL(context);
-            }
-            return sInstance;
-        }
-    }
-
-    public static UserHandle getUserHandle(SessionInfo info) {
-        return Utilities.ATLEAST_Q ? info.getUser() : Process.myUserHandle();
-    }
-
-    /**
-     * @return a map of active installs to their progress
-     */
-    public abstract HashMap<PackageUserKey, SessionInfo> updateAndGetActiveSessionCache();
-
-    /**
-     * @return an active SessionInfo for {@param pkg} or null if none exists.
-     */
-    public abstract SessionInfo getActiveSessionInfo(UserHandle user, String pkg);
-
-    public abstract void onStop();
-
-    public static final class PackageInstallInfo {
-        public final ComponentName componentName;
-        public final String packageName;
-        public final int state;
-        public final int progress;
-        public final UserHandle user;
-
-        private PackageInstallInfo(@NonNull SessionInfo info) {
-            this.state = STATUS_INSTALLING;
-            this.packageName = info.getAppPackageName();
-            this.componentName = new ComponentName(packageName, "");
-            this.progress = (int) (info.getProgress() * 100f);
-            this.user = getUserHandle(info);
-        }
-
-        public PackageInstallInfo(String packageName, int state, int progress, UserHandle user) {
-            this.state = state;
-            this.packageName = packageName;
-            this.componentName = new ComponentName(packageName, "");
-            this.progress = progress;
-            this.user = user;
-        }
-
-        public static PackageInstallInfo fromInstallingState(SessionInfo info) {
-            return new PackageInstallInfo(info);
-        }
-
-        public static PackageInstallInfo fromState(int state, String packageName, UserHandle user) {
-            return new PackageInstallInfo(packageName, state, 0 /* progress */, user);
-        }
-
-    }
-
-    public abstract List<SessionInfo> getAllVerifiedSessions();
-
-    /**
-     * Returns true if a promise icon was already added to the home screen for {@param sessionId}.
-     * Applicable only for icons with flag FLAG_PROMISE_NEW_INSTALLS.
-     */
-    public abstract boolean promiseIconAddedForId(int sessionId);
-
-    /**
-     * Applicable only for icons with flag FLAG_PROMISE_NEW_INSTALLS.
-     */
-    public abstract void removePromiseIconId(int sessionId);
-}
diff --git a/src/com/android/launcher3/compat/PackageInstallerCompatVL.java b/src/com/android/launcher3/compat/PackageInstallerCompatVL.java
deleted file mode 100644
index 9c57e8a..0000000
--- a/src/com/android/launcher3/compat/PackageInstallerCompatVL.java
+++ /dev/null
@@ -1,288 +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 static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
-
-import android.content.Context;
-import android.content.pm.ApplicationInfo;
-import android.content.pm.PackageInstaller;
-import android.content.pm.PackageInstaller.SessionCallback;
-import android.content.pm.PackageInstaller.SessionInfo;
-import android.content.pm.PackageManager;
-import android.os.UserHandle;
-import android.text.TextUtils;
-import android.util.SparseArray;
-
-import com.android.launcher3.LauncherModel;
-import com.android.launcher3.SessionCommitReceiver;
-import com.android.launcher3.Utilities;
-import com.android.launcher3.icons.IconCache;
-import com.android.launcher3.LauncherAppState;
-import com.android.launcher3.config.FeatureFlags;
-import com.android.launcher3.util.IntArray;
-import com.android.launcher3.util.IntSet;
-import com.android.launcher3.util.PackageUserKey;
-import com.android.launcher3.util.Thunk;
-
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
-
-import static com.android.launcher3.Utilities.getPrefs;
-
-public class PackageInstallerCompatVL extends PackageInstallerCompat {
-
-    private static final boolean DEBUG = false;
-
-    @Thunk final SparseArray<PackageUserKey> mActiveSessions = new SparseArray<>();
-
-    @Thunk final PackageInstaller mInstaller;
-    private final IconCache mCache;
-    private final Context mAppContext;
-    private final HashMap<String,Boolean> mSessionVerifiedMap = new HashMap<>();
-    private final LauncherAppsCompat mLauncherApps;
-    private final IntSet mPromiseIconIds;
-
-    PackageInstallerCompatVL(Context context) {
-        mAppContext = context.getApplicationContext();
-        mInstaller = context.getPackageManager().getPackageInstaller();
-        mCache = LauncherAppState.getInstance(context).getIconCache();
-        mInstaller.registerSessionCallback(mCallback, MODEL_EXECUTOR.getHandler());
-        mLauncherApps = LauncherAppsCompat.getInstance(context);
-        mPromiseIconIds = IntSet.wrap(IntArray.fromConcatString(
-                getPrefs(context).getString(PROMISE_ICON_IDS, "")));
-
-        cleanUpPromiseIconIds();
-    }
-
-    private void cleanUpPromiseIconIds() {
-        IntArray existingIds = new IntArray();
-        for (SessionInfo info : updateAndGetActiveSessionCache().values()) {
-            existingIds.add(info.getSessionId());
-        }
-        IntArray idsToRemove = new IntArray();
-
-        for (int i = mPromiseIconIds.size() - 1; i >= 0; --i) {
-            if (!existingIds.contains(mPromiseIconIds.getArray().get(i))) {
-                idsToRemove.add(mPromiseIconIds.getArray().get(i));
-            }
-        }
-        for (int i = idsToRemove.size() - 1; i >= 0; --i) {
-            mPromiseIconIds.getArray().removeValue(idsToRemove.get(i));
-        }
-    }
-
-    @Override
-    public HashMap<PackageUserKey, SessionInfo> updateAndGetActiveSessionCache() {
-        HashMap<PackageUserKey, SessionInfo> activePackages = new HashMap<>();
-        for (SessionInfo info : getAllVerifiedSessions()) {
-            addSessionInfoToCache(info, getUserHandle(info));
-            if (info.getAppPackageName() != null) {
-                activePackages.put(new PackageUserKey(info.getAppPackageName(),
-                        getUserHandle(info)), info);
-                mActiveSessions.put(info.getSessionId(),
-                        new PackageUserKey(info.getAppPackageName(), getUserHandle(info)));
-            }
-        }
-        return activePackages;
-    }
-
-    public SessionInfo getActiveSessionInfo(UserHandle user, String pkg) {
-        for (SessionInfo info : getAllVerifiedSessions()) {
-            boolean match = pkg.equals(info.getAppPackageName());
-            if (Utilities.ATLEAST_Q && !user.equals(getUserHandle(info))) {
-                match = false;
-            }
-            if (match) {
-                return info;
-            }
-        }
-        return null;
-    }
-
-    @Thunk void addSessionInfoToCache(SessionInfo info, UserHandle user) {
-        String packageName = info.getAppPackageName();
-        if (packageName != null) {
-            mCache.cachePackageInstallInfo(packageName, user, info.getAppIcon(),
-                    info.getAppLabel());
-        }
-    }
-
-    @Override
-    public void onStop() {
-        mInstaller.unregisterSessionCallback(mCallback);
-    }
-
-    @Thunk void sendUpdate(PackageInstallInfo info) {
-        LauncherAppState app = LauncherAppState.getInstanceNoCreate();
-        if (app != null) {
-            app.getModel().setPackageState(info);
-        }
-    }
-
-    /**
-     * Add a promise app icon to the workspace iff:
-     * - The settings for it are enabled
-     * - The user installed the app
-     * - There is an app icon and label (For apps with no launching activity, no icon is provided).
-     * - The app is not already installed
-     * - A promise icon for the session has not already been created
-     */
-    private void tryQueuePromiseAppIcon(SessionInfo sessionInfo) {
-        if (Utilities.ATLEAST_OREO && FeatureFlags.PROMISE_APPS_NEW_INSTALLS.get()
-                && SessionCommitReceiver.isEnabled(mAppContext)
-                && verify(sessionInfo) != null
-                && sessionInfo.getInstallReason() == PackageManager.INSTALL_REASON_USER
-                && sessionInfo.getAppIcon() != null
-                && !TextUtils.isEmpty(sessionInfo.getAppLabel())
-                && !mPromiseIconIds.contains(sessionInfo.getSessionId())
-                && mLauncherApps.getApplicationInfo(sessionInfo.getAppPackageName(), 0,
-                        getUserHandle(sessionInfo)) == null) {
-            SessionCommitReceiver.queuePromiseAppIconAddition(mAppContext, sessionInfo);
-            mPromiseIconIds.add(sessionInfo.getSessionId());
-            updatePromiseIconPrefs();
-        }
-    }
-
-    private final SessionCallback mCallback = new SessionCallback() {
-
-        @Override
-        public void onCreated(int sessionId) {
-            SessionInfo sessionInfo = pushSessionDisplayToLauncher(sessionId);
-            if (FeatureFlags.LAUNCHER3_PROMISE_APPS_IN_ALL_APPS && sessionInfo != null) {
-                LauncherAppState app = LauncherAppState.getInstanceNoCreate();
-                if (app != null) {
-                    app.getModel().onInstallSessionCreated(
-                            PackageInstallInfo.fromInstallingState(sessionInfo));
-                }
-            }
-
-            tryQueuePromiseAppIcon(sessionInfo);
-        }
-
-        @Override
-        public void onFinished(int sessionId, boolean success) {
-            // For a finished session, we can't get the session info. So use the
-            // packageName from our local cache.
-            PackageUserKey key = mActiveSessions.get(sessionId);
-            mActiveSessions.remove(sessionId);
-
-            if (key != null && key.mPackageName != null) {
-                String packageName = key.mPackageName;
-                sendUpdate(PackageInstallInfo.fromState(success ? STATUS_INSTALLED : STATUS_FAILED,
-                        packageName, key.mUser));
-
-                if (!success && FeatureFlags.PROMISE_APPS_NEW_INSTALLS.get()
-                        && mPromiseIconIds.contains(sessionId)) {
-                    LauncherAppState appState = LauncherAppState.getInstanceNoCreate();
-                    if (appState != null) {
-                        appState.getModel().onSessionFailure(packageName, key.mUser);
-                    }
-                    // If it is successful, the id is removed in the the package added flow.
-                    removePromiseIconId(sessionId);
-                }
-            }
-        }
-
-        @Override
-        public void onProgressChanged(int sessionId, float progress) {
-            SessionInfo session = verify(mInstaller.getSessionInfo(sessionId));
-            if (session != null && session.getAppPackageName() != null) {
-                sendUpdate(PackageInstallInfo.fromInstallingState(session));
-            }
-        }
-
-        @Override
-        public void onActiveChanged(int sessionId, boolean active) { }
-
-        @Override
-        public void onBadgingChanged(int sessionId) {
-            SessionInfo sessionInfo = pushSessionDisplayToLauncher(sessionId);
-            if (sessionInfo != null) {
-                tryQueuePromiseAppIcon(sessionInfo);
-            }
-        }
-
-        private SessionInfo pushSessionDisplayToLauncher(int sessionId) {
-            SessionInfo session = verify(mInstaller.getSessionInfo(sessionId));
-            if (session != null && session.getAppPackageName() != null) {
-                mActiveSessions.put(session.getSessionId(),
-                        new PackageUserKey(session.getAppPackageName(), getUserHandle(session)));
-                addSessionInfoToCache(session, getUserHandle(session));
-                LauncherAppState app = LauncherAppState.getInstanceNoCreate();
-                if (app != null) {
-                    app.getModel().updateSessionDisplayInfo(session.getAppPackageName());
-                }
-                return session;
-            }
-            return null;
-        }
-    };
-
-    private PackageInstaller.SessionInfo verify(PackageInstaller.SessionInfo sessionInfo) {
-        if (sessionInfo == null
-                || sessionInfo.getInstallerPackageName() == null
-                || TextUtils.isEmpty(sessionInfo.getAppPackageName())) {
-            return null;
-        }
-        String pkg = sessionInfo.getInstallerPackageName();
-        synchronized (mSessionVerifiedMap) {
-            if (!mSessionVerifiedMap.containsKey(pkg)) {
-                LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(mAppContext);
-                boolean hasSystemFlag = launcherApps.getApplicationInfo(pkg,
-                        ApplicationInfo.FLAG_SYSTEM, getUserHandle(sessionInfo)) != null;
-                mSessionVerifiedMap.put(pkg, DEBUG || hasSystemFlag);
-            }
-        }
-        return mSessionVerifiedMap.get(pkg) ? sessionInfo : null;
-    }
-
-    @Override
-    public List<SessionInfo> getAllVerifiedSessions() {
-        List<SessionInfo> list = new ArrayList<>(Utilities.ATLEAST_Q
-                ? mLauncherApps.getAllPackageInstallerSessions()
-                : mInstaller.getAllSessions());
-        Iterator<SessionInfo> it = list.iterator();
-        while (it.hasNext()) {
-            if (verify(it.next()) == null) {
-                it.remove();
-            }
-        }
-        return list;
-    }
-
-    @Override
-    public boolean promiseIconAddedForId(int sessionId) {
-        return mPromiseIconIds.contains(sessionId);
-    }
-
-    @Override
-    public void removePromiseIconId(int sessionId) {
-        if (mPromiseIconIds.contains(sessionId)) {
-            mPromiseIconIds.getArray().removeValue(sessionId);
-            updatePromiseIconPrefs();
-        }
-    }
-
-    private void updatePromiseIconPrefs() {
-        getPrefs(mAppContext).edit()
-                .putString(PROMISE_ICON_IDS, mPromiseIconIds.getArray().toConcatString())
-                .apply();
-    }
-}
diff --git a/src/com/android/launcher3/config/BaseFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
similarity index 83%
rename from src/com/android/launcher3/config/BaseFlags.java
rename to src/com/android/launcher3/config/FeatureFlags.java
index 7c8fe16..c502dd7 100644
--- a/src/com/android/launcher3/config/BaseFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -25,6 +25,7 @@
 import androidx.annotation.Keep;
 import androidx.annotation.VisibleForTesting;
 
+import com.android.launcher3.BuildConfig;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.uioverrides.TogglableFlag;
 
@@ -39,7 +40,7 @@
  * <p>All the flags should be defined here with appropriate default values.
  */
 @Keep
-public abstract class BaseFlags {
+public final class FeatureFlags {
 
     private static final Object sLock = new Object();
     @GuardedBy("sLock")
@@ -47,46 +48,47 @@
 
     static final String FLAGS_PREF_NAME = "featureFlags";
 
-    BaseFlags() {
-        throw new UnsupportedOperationException("Don't instantiate BaseFlags");
-    }
+    private FeatureFlags() { }
 
     public static boolean showFlagTogglerUi(Context context) {
         return Utilities.IS_DEBUG_DEVICE && Utilities.isDevelopersOptionsEnabled(context);
     }
 
-    public static final boolean IS_DOGFOOD_BUILD = false;
+    public static final boolean IS_DOGFOOD_BUILD = BuildConfig.DEBUG;
 
+    /**
+     * Enable moving the QSB on the 0th screen of the workspace. This is not a configuration feature
+     * and should be modified at a project level.
+     */
+    public static final boolean QSB_ON_FIRST_SCREEN = true;
+
+
+    /**
+     * Feature flag to handle define config changes dynamically instead of killing the process.
+     *
+     *
+     * To add a new flag that can be toggled through the flags UI:
+     *
+     * 1. Declare a new ToggleableFlag below. Give it a unique key (e.g. "QSB_ON_FIRST_SCREEN"),
+     *    and set a default value for the flag. This will be the default value on Debug builds.
+     *
+     * 2. Add your flag to mTogglableFlags.
+     *
+     * 3. Create a getter method (an 'is' method) for the flag by copying an existing one.
+     *
+     * 4. Create a getter method with the same name in the release flags copy of FeatureFlags.java.
+     *    This should returns a constant (true/false). This will be the value of the flag used on
+     *    release builds.
+     */
     // When enabled the promise icon is visible in all apps while installation an app.
-    public static final boolean LAUNCHER3_PROMISE_APPS_IN_ALL_APPS = false;
+    public static final TogglableFlag PROMISE_APPS_IN_ALL_APPS = new TogglableFlag(
+            "PROMISE_APPS_IN_ALL_APPS", false, "Add promise icon in all-apps");
 
     // When enabled a promise icon is added to the home screen when install session is active.
     public static final TogglableFlag PROMISE_APPS_NEW_INSTALLS =
             new TogglableFlag("PROMISE_APPS_NEW_INSTALLS", true,
                     "Adds a promise icon to the home screen for new install sessions.");
 
-    // Enable moving the QSB on the 0th screen of the workspace
-    public static final boolean QSB_ON_FIRST_SCREEN = true;
-
-    public static final TogglableFlag EXAMPLE_FLAG = new TogglableFlag("EXAMPLE_FLAG", true,
-            "An example flag that doesn't do anything. Useful for testing");
-
-    //Feature flag to enable pulling down navigation shade from workspace.
-    public static final boolean PULL_DOWN_STATUS_BAR = true;
-
-    // Features to control Launcher3Go behavior
-    public static final boolean GO_DISABLE_WIDGETS = false;
-
-    // When enabled shows a work profile tab in all apps
-    public static final boolean ALL_APPS_TABS_ENABLED = true;
-
-    // When true, overview shows screenshots in the orientation they were taken rather than
-    // trying to make them fit the orientation the device is in.
-    public static final boolean OVERVIEW_USE_SCREENSHOT_ORIENTATION = true;
-
-    /**
-     * Feature flag to handle define config changes dynamically instead of killing the process.
-     */
     public static final TogglableFlag APPLY_CONFIG_AT_RUNTIME = new TogglableFlag(
             "APPLY_CONFIG_AT_RUNTIME", true, "Apply display changes dynamically");
 
@@ -130,13 +132,13 @@
     static List<TogglableFlag> getTogglableFlags() {
         // By Java Language Spec 12.4.2
         // https://docs.oracle.com/javase/specs/jls/se7/html/jls-12.html#jls-12.4.2, the
-        // TogglableFlag instances on BaseFlags will be created before those on the FeatureFlags
+        // TogglableFlag instances on FeatureFlags will be created before those on the FeatureFlags
         // subclass. This code handles flags that are redeclared in FeatureFlags, ensuring the
         // FeatureFlags one takes priority.
         SortedMap<String, TogglableFlag> flagsByKey = new TreeMap<>();
         synchronized (sLock) {
             for (TogglableFlag flag : sFlags) {
-                flagsByKey.put(((BaseTogglableFlag) flag).getKey(), flag);
+                flagsByKey.put(flag.getKey(), flag);
             }
         }
         return new ArrayList<>(flagsByKey.values());
@@ -236,14 +238,7 @@
 
         @Override
         public int hashCode() {
-            int h$ = 1;
-            h$ *= 1000003;
-            h$ ^= key.hashCode();
-            h$ *= 1000003;
-            h$ ^= getDefaultValue() ? 1231 : 1237;
-            h$ *= 1000003;
-            h$ ^= description.hashCode();
-            return h$;
+            return key.hashCode();
         }
     }
 }
diff --git a/src/com/android/launcher3/config/FlagTogglerPrefUi.java b/src/com/android/launcher3/config/FlagTogglerPrefUi.java
index 54e5322..200938d 100644
--- a/src/com/android/launcher3/config/FlagTogglerPrefUi.java
+++ b/src/com/android/launcher3/config/FlagTogglerPrefUi.java
@@ -26,13 +26,13 @@
 import android.widget.Toast;
 
 import com.android.launcher3.R;
+import com.android.launcher3.config.FeatureFlags.BaseTogglableFlag;
+import com.android.launcher3.uioverrides.TogglableFlag;
 
 import androidx.preference.PreferenceDataStore;
 import androidx.preference.PreferenceFragment;
 import androidx.preference.PreferenceGroup;
 import androidx.preference.SwitchPreference;
-import com.android.launcher3.config.BaseFlags.BaseTogglableFlag;
-import com.android.launcher3.uioverrides.TogglableFlag;
 
 /**
  * Dev-build only UI allowing developers to toggle flag settings. See {@link FeatureFlags}.
diff --git a/src/com/android/launcher3/dragndrop/AddItemActivity.java b/src/com/android/launcher3/dragndrop/AddItemActivity.java
index 9fb1090..b8981b6 100644
--- a/src/com/android/launcher3/dragndrop/AddItemActivity.java
+++ b/src/com/android/launcher3/dragndrop/AddItemActivity.java
@@ -45,6 +45,7 @@
 import com.android.launcher3.BaseActivity;
 import com.android.launcher3.InstallShortcutReceiver;
 import com.android.launcher3.InvariantDeviceProfile;
+import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherAppWidgetHost;
 import com.android.launcher3.LauncherAppWidgetProviderInfo;
@@ -176,7 +177,7 @@
                         .setPackage(getPackageName())
                         .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK));
 
-        listener.initWhenReady();
+        Launcher.ACTIVITY_TRACKER.schedule(listener);
         startActivity(homeIntent,
                 ActivityOptions.makeCustomAnimation(this, 0, android.R.anim.fade_out).toBundle());
         mFinishOnPause = true;
diff --git a/src/com/android/launcher3/dragndrop/BaseItemDragListener.java b/src/com/android/launcher3/dragndrop/BaseItemDragListener.java
index 1b08723..75693c6 100644
--- a/src/com/android/launcher3/dragndrop/BaseItemDragListener.java
+++ b/src/com/android/launcher3/dragndrop/BaseItemDragListener.java
@@ -36,8 +36,7 @@
 import com.android.launcher3.DropTarget.DragObject;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
-import com.android.launcher3.states.InternalStateHandler;
-import com.android.launcher3.testing.TestProtocol;
+import com.android.launcher3.util.ActivityTracker.SchedulerCallback;
 import com.android.launcher3.widget.PendingItemDragHelper;
 
 import java.util.UUID;
@@ -45,8 +44,8 @@
 /**
  * {@link DragSource} for handling drop from a different window.
  */
-public abstract class BaseItemDragListener extends InternalStateHandler implements
-        View.OnDragListener, DragSource, DragOptions.PreDragCondition {
+public abstract class BaseItemDragListener implements View.OnDragListener, DragSource,
+        DragOptions.PreDragCondition, SchedulerCallback<Launcher> {
 
     private static final String TAG = "BaseItemDragListener";
 
@@ -165,7 +164,7 @@
     }
 
     protected void postCleanup() {
-        clearReference();
+        Launcher.ACTIVITY_TRACKER.clearReference(this);
         if (mLauncher != null) {
             // Remove any drag params from the launcher intent since the drag operation is complete.
             Intent newIntent = new Intent(mLauncher.getIntent());
diff --git a/src/com/android/launcher3/icons/IconCache.java b/src/com/android/launcher3/icons/IconCache.java
index 9c46260..b1818a0 100644
--- a/src/com/android/launcher3/icons/IconCache.java
+++ b/src/com/android/launcher3/icons/IconCache.java
@@ -24,6 +24,7 @@
 import android.content.pm.ApplicationInfo;
 import android.content.pm.LauncherActivityInfo;
 import android.content.pm.PackageInfo;
+import android.content.pm.PackageInstaller;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.graphics.drawable.Drawable;
@@ -50,6 +51,7 @@
 import com.android.launcher3.icons.cache.HandlerRunnable;
 import com.android.launcher3.model.PackageItemInfo;
 import com.android.launcher3.util.InstantAppResolver;
+import com.android.launcher3.util.PackageUserKey;
 import com.android.launcher3.util.Preconditions;
 
 import java.util.function.Supplier;
@@ -235,6 +237,10 @@
         return mIconProvider.getIcon(info, mIconDpi, flattenDrawable);
     }
 
+    public void updateSessionCache(PackageUserKey key, PackageInstaller.SessionInfo info) {
+        cachePackageInstallInfo(key.mPackageName, key.mUser, info.getAppIcon(), info.getAppLabel());
+    }
+
     @Override
     protected String getIconSystemState(String packageName) {
         return mIconProvider.getSystemStateForPackage(mSystemState, packageName)
diff --git a/src/com/android/launcher3/logging/FileLog.java b/src/com/android/launcher3/logging/FileLog.java
index 923a89b..04cf20a 100644
--- a/src/com/android/launcher3/logging/FileLog.java
+++ b/src/com/android/launcher3/logging/FileLog.java
@@ -8,6 +8,8 @@
 import android.util.Log;
 import android.util.Pair;
 
+import androidx.annotation.VisibleForTesting;
+
 import com.android.launcher3.util.IOUtils;
 
 import java.io.BufferedReader;
@@ -88,7 +90,8 @@
         Message.obtain(getHandler(), LogWriterCallback.MSG_WRITE, out).sendToTarget();
     }
 
-    private static Handler getHandler() {
+    @VisibleForTesting
+    static Handler getHandler() {
         synchronized (DATE_FORMAT) {
             if (sHandler == null) {
                 sHandler = new Handler(createAndStartNewLooper("file-logger"),
@@ -102,15 +105,16 @@
      * Blocks until all the pending logs are written to the disk
      * @param out if not null, all the persisted logs are copied to the writer.
      */
-    public static void flushAll(PrintWriter out) throws InterruptedException {
+    public static boolean flushAll(PrintWriter out) throws InterruptedException {
         if (!ENABLED) {
-            return;
+            return false;
         }
         CountDownLatch latch = new CountDownLatch(1);
         Message.obtain(getHandler(), LogWriterCallback.MSG_FLUSH,
                 Pair.create(out, latch)).sendToTarget();
 
         latch.await(2, TimeUnit.SECONDS);
+        return latch.getCount() == 0;
     }
 
     /**
diff --git a/src/com/android/launcher3/model/AddWorkspaceItemsTask.java b/src/com/android/launcher3/model/AddWorkspaceItemsTask.java
index dfd5a70..844a2a6 100644
--- a/src/com/android/launcher3/model/AddWorkspaceItemsTask.java
+++ b/src/com/android/launcher3/model/AddWorkspaceItemsTask.java
@@ -29,11 +29,11 @@
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherAppWidgetInfo;
 import com.android.launcher3.LauncherModel.CallbackTask;
-import com.android.launcher3.model.BgDataModel.Callbacks;
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.WorkspaceItemInfo;
 import com.android.launcher3.compat.LauncherAppsCompat;
-import com.android.launcher3.compat.PackageInstallerCompat;
+import com.android.launcher3.model.BgDataModel.Callbacks;
+import com.android.launcher3.pm.PackageInstallerCompat;
 import com.android.launcher3.util.GridOccupancy;
 import com.android.launcher3.util.IntArray;
 import com.android.launcher3.util.PackageManagerHelper;
diff --git a/src/com/android/launcher3/model/AllAppsList.java b/src/com/android/launcher3/model/AllAppsList.java
index 3873a17..1e1df88 100644
--- a/src/com/android/launcher3/model/AllAppsList.java
+++ b/src/com/android/launcher3/model/AllAppsList.java
@@ -28,14 +28,16 @@
 import android.os.UserHandle;
 import android.util.Log;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
 import com.android.launcher3.AppFilter;
 import com.android.launcher3.AppInfo;
 import com.android.launcher3.PromiseAppInfo;
 import com.android.launcher3.compat.AlphabeticIndexCompat;
 import com.android.launcher3.compat.LauncherAppsCompat;
-import com.android.launcher3.compat.PackageInstallerCompat;
-import com.android.launcher3.compat.PackageInstallerCompat.PackageInstallInfo;
 import com.android.launcher3.icons.IconCache;
+import com.android.launcher3.pm.PackageInstallInfo;
 import com.android.launcher3.util.FlagOp;
 import com.android.launcher3.util.ItemInfoMatcher;
 import com.android.launcher3.util.SafeCloseable;
@@ -46,9 +48,6 @@
 import java.util.List;
 import java.util.function.Consumer;
 
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-
 
 /**
  * Stores the list of all applications for the all apps view.
@@ -110,8 +109,7 @@
         mDataChanged = true;
     }
 
-    public void addPromiseApp(Context context,
-                              PackageInstallerCompat.PackageInstallInfo installInfo) {
+    public void addPromiseApp(Context context, PackageInstallInfo installInfo) {
         ApplicationInfo applicationInfo = LauncherAppsCompat.getInstance(context)
                 .getApplicationInfo(installInfo.packageName, 0, installInfo.user);
         // only if not yet installed
@@ -134,10 +132,10 @@
                     && appInfo.user.equals(user)
                     && appInfo instanceof PromiseAppInfo) {
                 final PromiseAppInfo promiseAppInfo = (PromiseAppInfo) appInfo;
-                if (installInfo.state == PackageInstallerCompat.STATUS_INSTALLING) {
+                if (installInfo.state == PackageInstallInfo.STATUS_INSTALLING) {
                     promiseAppInfo.level = installInfo.progress;
                     return promiseAppInfo;
-                } else if (installInfo.state == PackageInstallerCompat.STATUS_FAILED) {
+                } else if (installInfo.state == PackageInstallInfo.STATUS_FAILED) {
                     removeApp(i);
                 }
             }
diff --git a/src/com/android/launcher3/model/GridSizeMigrationTask.java b/src/com/android/launcher3/model/GridSizeMigrationTask.java
index 783e908..ac44b0e 100644
--- a/src/com/android/launcher3/model/GridSizeMigrationTask.java
+++ b/src/com/android/launcher3/model/GridSizeMigrationTask.java
@@ -17,6 +17,8 @@
 import android.util.Log;
 import android.util.SparseArray;
 
+import androidx.annotation.VisibleForTesting;
+
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.ItemInfo;
 import com.android.launcher3.LauncherAppState;
@@ -27,21 +29,17 @@
 import com.android.launcher3.Utilities;
 import com.android.launcher3.Workspace;
 import com.android.launcher3.compat.AppWidgetManagerCompat;
-import com.android.launcher3.compat.PackageInstallerCompat;
 import com.android.launcher3.config.FeatureFlags;
+import com.android.launcher3.pm.PackageInstallerCompat;
 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.util.PackageUserKey;
 
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashSet;
-import java.util.function.Consumer;
-
-import androidx.annotation.VisibleForTesting;
 
 /**
  * This class takes care of shrinking the workspace (by maximum of one row and one column), as a
@@ -973,7 +971,7 @@
             validPackages.add(info.packageName);
         }
         PackageInstallerCompat.getInstance(context)
-                .updateAndGetActiveSessionCache().keySet()
+                .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 50e1d56..97cf846 100644
--- a/src/com/android/launcher3/model/LoaderTask.java
+++ b/src/com/android/launcher3/model/LoaderTask.java
@@ -53,7 +53,6 @@
 import com.android.launcher3.WorkspaceItemInfo;
 import com.android.launcher3.compat.AppWidgetManagerCompat;
 import com.android.launcher3.compat.LauncherAppsCompat;
-import com.android.launcher3.compat.PackageInstallerCompat;
 import com.android.launcher3.compat.UserManagerCompat;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.folder.Folder;
@@ -65,6 +64,8 @@
 import com.android.launcher3.icons.LauncherIcons;
 import com.android.launcher3.icons.cache.IconCacheUpdateHandler;
 import com.android.launcher3.logging.FileLog;
+import com.android.launcher3.pm.PackageInstallInfo;
+import com.android.launcher3.pm.PackageInstallerCompat;
 import com.android.launcher3.provider.ImportDataTask;
 import com.android.launcher3.qsb.QsbContainerView;
 import com.android.launcher3.shortcuts.DeepShortcutManager;
@@ -286,7 +287,9 @@
             mBgDataModel.clear();
 
             final HashMap<PackageUserKey, SessionInfo> installingPkgs =
-                    mPackageInstaller.updateAndGetActiveSessionCache();
+                    mPackageInstaller.getActiveSessions();
+            installingPkgs.forEach(mApp.getIconCache()::updateSessionCache);
+
             final PackageUserKey tempPackageKey = new PackageUserKey(null, null);
             mFirstScreenBroadcast = new FirstScreenBroadcast(installingPkgs);
 
@@ -576,7 +579,7 @@
                             break;
 
                         case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET:
-                            if (FeatureFlags.GO_DISABLE_WIDGETS) {
+                            if (WidgetsModel.GO_DISABLE_WIDGETS) {
                                 c.markDeleted("Only legacy shortcuts can have null package");
                                 continue;
                             }
@@ -839,12 +842,12 @@
             allActivityList.addAll(apps);
         }
 
-        if (FeatureFlags.LAUNCHER3_PROMISE_APPS_IN_ALL_APPS) {
+        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()) {
                 mBgAllAppsList.addPromiseApp(mApp.getContext(),
-                        PackageInstallerCompat.PackageInstallInfo.fromInstallingState(info));
+                        PackageInstallInfo.fromInstallingState(info));
             }
         }
 
diff --git a/src/com/android/launcher3/model/PackageInstallStateChangedTask.java b/src/com/android/launcher3/model/PackageInstallStateChangedTask.java
index 802cbc7..2832150 100644
--- a/src/com/android/launcher3/model/PackageInstallStateChangedTask.java
+++ b/src/com/android/launcher3/model/PackageInstallStateChangedTask.java
@@ -19,16 +19,14 @@
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 
-import com.android.launcher3.AppInfo;
 import com.android.launcher3.ItemInfo;
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherAppWidgetInfo;
 import com.android.launcher3.LauncherModel.CallbackTask;
-import com.android.launcher3.model.BgDataModel.Callbacks;
 import com.android.launcher3.PromiseAppInfo;
 import com.android.launcher3.WorkspaceItemInfo;
-import com.android.launcher3.compat.PackageInstallerCompat;
-import com.android.launcher3.compat.PackageInstallerCompat.PackageInstallInfo;
+import com.android.launcher3.model.BgDataModel.Callbacks;
+import com.android.launcher3.pm.PackageInstallInfo;
 import com.android.launcher3.util.InstantAppResolver;
 
 import java.util.HashSet;
@@ -46,7 +44,7 @@
 
     @Override
     public void execute(LauncherAppState app, BgDataModel dataModel, AllAppsList apps) {
-        if (mInstallInfo.state == PackageInstallerCompat.STATUS_INSTALLED) {
+        if (mInstallInfo.state == PackageInstallInfo.STATUS_INSTALLED) {
             try {
                 // For instant apps we do not get package-add. Use setting events to update
                 // any pinned icons.
@@ -79,7 +77,7 @@
                     if (si.hasPromiseIconUi() && (cn != null)
                             && mInstallInfo.packageName.equals(cn.getPackageName())) {
                         si.setInstallProgress(mInstallInfo.progress);
-                        if (mInstallInfo.state == PackageInstallerCompat.STATUS_FAILED) {
+                        if (mInstallInfo.state == PackageInstallInfo.STATUS_FAILED) {
                             // Mark this info as broken.
                             si.status &= ~WorkspaceItemInfo.FLAG_INSTALL_SESSION_ACTIVE;
                         }
diff --git a/src/com/android/launcher3/model/PackageUpdatedTask.java b/src/com/android/launcher3/model/PackageUpdatedTask.java
index d6ebaaf..7ea310c 100644
--- a/src/com/android/launcher3/model/PackageUpdatedTask.java
+++ b/src/com/android/launcher3/model/PackageUpdatedTask.java
@@ -107,7 +107,7 @@
                 for (int i = 0; i < N; i++) {
                     if (DEBUG) Log.d(TAG, "mAllAppsList.addPackage " + packages[i]);
                     iconCache.updateIconsForPkg(packages[i], mUser);
-                    if (FeatureFlags.LAUNCHER3_PROMISE_APPS_IN_ALL_APPS) {
+                    if (FeatureFlags.PROMISE_APPS_IN_ALL_APPS.get()) {
                         appsList.removePackage(packages[i], mUser);
                     }
                     appsList.addPackage(context, packages[i], mUser);
diff --git a/src/com/android/launcher3/pm/InstallSessionTracker.java b/src/com/android/launcher3/pm/InstallSessionTracker.java
new file mode 100644
index 0000000..f157603
--- /dev/null
+++ b/src/com/android/launcher3/pm/InstallSessionTracker.java
@@ -0,0 +1,129 @@
+/*
+ * 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.pm;
+
+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;
+import android.os.UserHandle;
+import android.util.SparseArray;
+
+import com.android.launcher3.util.PackageUserKey;
+
+public class InstallSessionTracker extends PackageInstaller.SessionCallback {
+
+    // Lazily initialized
+    private SparseArray<PackageUserKey> mActiveSessions = null;
+
+    private final PackageInstallerCompat mInstallerCompat;
+    private final Callback mCallback;
+
+    InstallSessionTracker(PackageInstallerCompat installerCompat, Callback callback) {
+        mInstallerCompat = installerCompat;
+        mCallback = callback;
+    }
+
+    @Override
+    public void onCreated(int sessionId) {
+        SessionInfo sessionInfo = pushSessionDisplayToLauncher(sessionId);
+        if (sessionInfo != null) {
+            mCallback.onInstallSessionCreated(PackageInstallInfo.fromInstallingState(sessionInfo));
+        }
+
+        mInstallerCompat.tryQueuePromiseAppIcon(sessionInfo);
+    }
+
+    @Override
+    public void onFinished(int sessionId, boolean success) {
+        // For a finished session, we can't get the session info. So use the
+        // packageName from our local cache.
+        SparseArray<PackageUserKey> activeSessions = getActiveSessionMap();
+        PackageUserKey key = activeSessions.get(sessionId);
+        activeSessions.remove(sessionId);
+
+        if (key != null && key.mPackageName != null) {
+            String packageName = key.mPackageName;
+            PackageInstallInfo info = PackageInstallInfo.fromState(
+                    success ? STATUS_INSTALLED : STATUS_FAILED,
+                    packageName, key.mUser);
+            mCallback.onPackageStateChanged(info);
+
+            if (!success && mInstallerCompat.promiseIconAddedForId(sessionId)) {
+                mCallback.onSessionFailure(packageName, key.mUser);
+                // If it is successful, the id is removed in the the package added flow.
+                mInstallerCompat.removePromiseIconId(sessionId);
+            }
+        }
+    }
+
+    @Override
+    public void onProgressChanged(int sessionId, float progress) {
+        SessionInfo session = mInstallerCompat.getVerifiedSessionInfo(sessionId);
+        if (session != null && session.getAppPackageName() != null) {
+            mCallback.onPackageStateChanged(PackageInstallInfo.fromInstallingState(session));
+        }
+    }
+
+    @Override
+    public void onActiveChanged(int sessionId, boolean active) { }
+
+    @Override
+    public void onBadgingChanged(int sessionId) {
+        SessionInfo sessionInfo = pushSessionDisplayToLauncher(sessionId);
+        if (sessionInfo != null) {
+            mInstallerCompat.tryQueuePromiseAppIcon(sessionInfo);
+        }
+    }
+
+    private SessionInfo pushSessionDisplayToLauncher(int sessionId) {
+        SessionInfo session = mInstallerCompat.getVerifiedSessionInfo(sessionId);
+        if (session != null && session.getAppPackageName() != null) {
+            PackageUserKey key =
+                    new PackageUserKey(session.getAppPackageName(), getUserHandle(session));
+            getActiveSessionMap().put(session.getSessionId(), key);
+            mCallback.onUpdateSessionDisplay(key, session);
+            return session;
+        }
+        return null;
+    }
+
+    private SparseArray<PackageUserKey> getActiveSessionMap() {
+        if (mActiveSessions == null) {
+            mActiveSessions = new SparseArray<>();
+            mInstallerCompat.getActiveSessions().forEach(
+                    (key, si) -> mActiveSessions.put(si.getSessionId(), key));
+        }
+        return mActiveSessions;
+    }
+
+    public void unregister() {
+        mInstallerCompat.unregister(this);
+    }
+
+    public interface Callback {
+
+        void onSessionFailure(String packageName, UserHandle user);
+
+        void onUpdateSessionDisplay(PackageUserKey key, SessionInfo info);
+
+        void onPackageStateChanged(PackageInstallInfo info);
+
+        void onInstallSessionCreated(PackageInstallInfo info);
+    }
+}
diff --git a/src/com/android/launcher3/pm/PackageInstallInfo.java b/src/com/android/launcher3/pm/PackageInstallInfo.java
new file mode 100644
index 0000000..6776ec4
--- /dev/null
+++ b/src/com/android/launcher3/pm/PackageInstallInfo.java
@@ -0,0 +1,60 @@
+/*
+ * 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.pm;
+
+import android.content.ComponentName;
+import android.content.pm.PackageInstaller;
+import android.os.UserHandle;
+
+import androidx.annotation.NonNull;
+
+public final class PackageInstallInfo {
+
+    public static final int STATUS_INSTALLED = 0;
+    public static final int STATUS_INSTALLING = 1;
+    public static final int STATUS_FAILED = 2;
+
+    public final ComponentName componentName;
+    public final String packageName;
+    public final int state;
+    public final int progress;
+    public final UserHandle user;
+
+    private PackageInstallInfo(@NonNull PackageInstaller.SessionInfo info) {
+        this.state = STATUS_INSTALLING;
+        this.packageName = info.getAppPackageName();
+        this.componentName = new ComponentName(packageName, "");
+        this.progress = (int) (info.getProgress() * 100f);
+        this.user = PackageInstallerCompat.getUserHandle(info);
+    }
+
+    public PackageInstallInfo(String packageName, int state, int progress, UserHandle user) {
+        this.state = state;
+        this.packageName = packageName;
+        this.componentName = new ComponentName(packageName, "");
+        this.progress = progress;
+        this.user = user;
+    }
+
+    public static PackageInstallInfo fromInstallingState(PackageInstaller.SessionInfo info) {
+        return new PackageInstallInfo(info);
+    }
+
+    public static PackageInstallInfo fromState(int state, String packageName, UserHandle user) {
+        return new PackageInstallInfo(packageName, state, 0 /* progress */, user);
+    }
+
+}
diff --git a/src/com/android/launcher3/pm/PackageInstallerCompat.java b/src/com/android/launcher3/pm/PackageInstallerCompat.java
new file mode 100644
index 0000000..520c207
--- /dev/null
+++ b/src/com/android/launcher3/pm/PackageInstallerCompat.java
@@ -0,0 +1,220 @@
+/*
+ * 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 static com.android.launcher3.Utilities.getPrefs;
+
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.LauncherApps;
+import android.content.pm.PackageInstaller;
+import android.content.pm.PackageInstaller.SessionInfo;
+import android.content.pm.PackageManager;
+import android.os.Build;
+import android.os.Process;
+import android.os.UserHandle;
+import android.text.TextUtils;
+
+import com.android.launcher3.SessionCommitReceiver;
+import com.android.launcher3.Utilities;
+import com.android.launcher3.compat.LauncherAppsCompat;
+import com.android.launcher3.config.FeatureFlags;
+import com.android.launcher3.util.IntArray;
+import com.android.launcher3.util.IntSet;
+import com.android.launcher3.util.LooperExecutor;
+import com.android.launcher3.util.PackageUserKey;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+
+public class PackageInstallerCompat {
+
+    // 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;
+    private final LauncherApps mLauncherApps;
+    private final Context mAppContext;
+    private final IntSet mPromiseIconIds;
+
+    private final PackageInstaller mInstaller;
+    private final HashMap<String, Boolean> mSessionVerifiedMap = new HashMap<>();
+
+    public PackageInstallerCompat(Context context) {
+        mInstaller = context.getPackageManager().getPackageInstaller();
+        mAppContext = context.getApplicationContext();
+        mLauncherApps = context.getSystemService(LauncherApps.class);
+
+        mPromiseIconIds = IntSet.wrap(IntArray.fromConcatString(
+                getPrefs(context).getString(PROMISE_ICON_IDS, "")));
+
+        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();
+    }
+
+    protected void cleanUpPromiseIconIds() {
+        IntArray existingIds = new IntArray();
+        for (SessionInfo info : getActiveSessions().values()) {
+            existingIds.add(info.getSessionId());
+        }
+        IntArray idsToRemove = new IntArray();
+
+        for (int i = mPromiseIconIds.size() - 1; i >= 0; --i) {
+            if (!existingIds.contains(mPromiseIconIds.getArray().get(i))) {
+                idsToRemove.add(mPromiseIconIds.getArray().get(i));
+            }
+        }
+        for (int i = idsToRemove.size() - 1; i >= 0; --i) {
+            mPromiseIconIds.getArray().removeValue(idsToRemove.get(i));
+        }
+    }
+
+    public HashMap<PackageUserKey, SessionInfo> getActiveSessions() {
+        HashMap<PackageUserKey, SessionInfo> activePackages = new HashMap<>();
+        for (SessionInfo info : getAllVerifiedSessions()) {
+            activePackages.put(
+                    new PackageUserKey(info.getAppPackageName(), getUserHandle(info)), info);
+        }
+        return activePackages;
+    }
+
+    public SessionInfo getActiveSessionInfo(UserHandle user, String pkg) {
+        for (SessionInfo info : getAllVerifiedSessions()) {
+            boolean match = pkg.equals(info.getAppPackageName());
+            if (Utilities.ATLEAST_Q && !user.equals(getUserHandle(info))) {
+                match = false;
+            }
+            if (match) {
+                return info;
+            }
+        }
+        return null;
+    }
+
+    private void updatePromiseIconPrefs() {
+        getPrefs(mAppContext).edit()
+                .putString(PROMISE_ICON_IDS, mPromiseIconIds.getArray().toConcatString())
+                .apply();
+    }
+
+    SessionInfo getVerifiedSessionInfo(int sessionId) {
+        return verify(mInstaller.getSessionInfo(sessionId));
+    }
+
+    private SessionInfo verify(SessionInfo sessionInfo) {
+        if (sessionInfo == null
+                || sessionInfo.getInstallerPackageName() == null
+                || TextUtils.isEmpty(sessionInfo.getAppPackageName())) {
+            return null;
+        }
+        String pkg = sessionInfo.getInstallerPackageName();
+        synchronized (mSessionVerifiedMap) {
+            if (!mSessionVerifiedMap.containsKey(pkg)) {
+                LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(mAppContext);
+                boolean hasSystemFlag = launcherApps.getApplicationInfo(pkg,
+                        ApplicationInfo.FLAG_SYSTEM, getUserHandle(sessionInfo)) != null;
+                mSessionVerifiedMap.put(pkg, DEBUG || hasSystemFlag);
+            }
+        }
+        return mSessionVerifiedMap.get(pkg) ? sessionInfo : null;
+    }
+
+    public List<SessionInfo> getAllVerifiedSessions() {
+        List<SessionInfo> list = new ArrayList<>(Utilities.ATLEAST_Q
+                ? mLauncherApps.getAllPackageInstallerSessions()
+                : mInstaller.getAllSessions());
+        Iterator<SessionInfo> it = list.iterator();
+        while (it.hasNext()) {
+            if (verify(it.next()) == null) {
+                it.remove();
+            }
+        }
+        return list;
+    }
+
+    public boolean promiseIconAddedForId(int sessionId) {
+        return mPromiseIconIds.contains(sessionId);
+    }
+
+    public void removePromiseIconId(int sessionId) {
+        if (mPromiseIconIds.contains(sessionId)) {
+            mPromiseIconIds.getArray().removeValue(sessionId);
+            updatePromiseIconPrefs();
+        }
+    }
+
+    /**
+     * Add a promise app icon to the workspace iff:
+     * - The settings for it are enabled
+     * - The user installed the app
+     * - There is an app icon and label (For apps with no launching activity, no icon is provided).
+     * - The app is not already installed
+     * - A promise icon for the session has not already been created
+     */
+    void tryQueuePromiseAppIcon(PackageInstaller.SessionInfo sessionInfo) {
+        if (Utilities.ATLEAST_OREO && FeatureFlags.PROMISE_APPS_NEW_INSTALLS.get()
+                && SessionCommitReceiver.isEnabled(mAppContext)
+                && verify(sessionInfo) != null
+                && sessionInfo.getInstallReason() == PackageManager.INSTALL_REASON_USER
+                && sessionInfo.getAppIcon() != null
+                && !TextUtils.isEmpty(sessionInfo.getAppLabel())
+                && !mPromiseIconIds.contains(sessionInfo.getSessionId())
+                && LauncherAppsCompat.getInstance(mAppContext).getApplicationInfo(
+                        sessionInfo.getAppPackageName(), 0, getUserHandle(sessionInfo)) == null) {
+            SessionCommitReceiver.queuePromiseAppIconAddition(mAppContext, sessionInfo);
+            mPromiseIconIds.add(sessionInfo.getSessionId());
+            updatePromiseIconPrefs();
+        }
+    }
+
+    public InstallSessionTracker registerInstallTracker(
+            InstallSessionTracker.Callback callback, LooperExecutor executor) {
+        InstallSessionTracker tracker = new InstallSessionTracker(this, callback);
+
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
+            mInstaller.registerSessionCallback(tracker, executor.getHandler());
+        } else {
+            mLauncherApps.registerPackageInstallerSessionCallback(executor, tracker);
+        }
+        return tracker;
+    }
+
+    void unregister(InstallSessionTracker tracker) {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
+            mInstaller.unregisterSessionCallback(tracker);
+        } else {
+            mLauncherApps.unregisterPackageInstallerSessionCallback(tracker);
+        }
+    }
+}
diff --git a/src/com/android/launcher3/states/InternalStateHandler.java b/src/com/android/launcher3/states/InternalStateHandler.java
deleted file mode 100644
index a23cd6d..0000000
--- a/src/com/android/launcher3/states/InternalStateHandler.java
+++ /dev/null
@@ -1,145 +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.states;
-
-import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
-
-import android.content.Intent;
-import android.os.Binder;
-import android.os.Bundle;
-import android.os.IBinder;
-
-import com.android.launcher3.Launcher;
-import com.android.launcher3.LauncherAppState;
-import com.android.launcher3.model.BgDataModel.Callbacks;
-
-import java.lang.ref.WeakReference;
-
-/**
- * Utility class to sending state handling logic to Launcher from within the same process.
- *
- * Extending {@link Binder} ensures that the platform maintains a single instance of each object
- * which allows this object to safely navigate the system process.
- */
-public abstract class InternalStateHandler extends Binder {
-
-    public static final String EXTRA_STATE_HANDLER = "launcher.state_handler";
-
-    private static final Scheduler sScheduler = new Scheduler();
-
-    /**
-     * Initializes the handler when the launcher is ready.
-     * @return true if the handler wants to stay alive.
-     */
-    protected abstract boolean init(Launcher launcher, boolean alreadyOnHome);
-
-    public final Intent addToIntent(Intent intent) {
-        Bundle extras = new Bundle();
-        extras.putBinder(EXTRA_STATE_HANDLER, this);
-        intent.putExtras(extras);
-        return intent;
-    }
-
-    public final void initWhenReady() {
-        sScheduler.schedule(this);
-    }
-
-    public boolean clearReference() {
-        return sScheduler.clearReference(this);
-    }
-
-    public static boolean hasPending() {
-        return sScheduler.hasPending();
-    }
-
-    public static boolean handleCreate(Launcher launcher, Intent intent) {
-        return handleIntent(launcher, intent, false, false);
-    }
-
-    public static boolean handleNewIntent(Launcher launcher, Intent intent, boolean alreadyOnHome) {
-        return handleIntent(launcher, intent, alreadyOnHome, true);
-    }
-
-    private static boolean handleIntent(
-            Launcher launcher, Intent intent, boolean alreadyOnHome, boolean explicitIntent) {
-        boolean result = false;
-        if (intent != null && intent.getExtras() != null) {
-            IBinder stateBinder = intent.getExtras().getBinder(EXTRA_STATE_HANDLER);
-            if (stateBinder instanceof InternalStateHandler) {
-                InternalStateHandler handler = (InternalStateHandler) stateBinder;
-                if (!handler.init(launcher, alreadyOnHome)) {
-                    intent.getExtras().remove(EXTRA_STATE_HANDLER);
-                }
-                result = true;
-            }
-        }
-        if (!result && !explicitIntent) {
-            result = sScheduler.initIfPending(launcher, alreadyOnHome);
-        }
-        return result;
-    }
-
-    private static class Scheduler implements Runnable {
-
-        private WeakReference<InternalStateHandler> mPendingHandler = new WeakReference<>(null);
-
-        public void schedule(InternalStateHandler handler) {
-            synchronized (this) {
-                mPendingHandler = new WeakReference<>(handler);
-            }
-            MAIN_EXECUTOR.execute(this);
-        }
-
-        @Override
-        public void run() {
-            LauncherAppState app = LauncherAppState.getInstanceNoCreate();
-            if (app == null) {
-                return;
-            }
-            Callbacks cb = app.getModel().getCallback();
-            if (!(cb instanceof Launcher)) {
-                return;
-            }
-            Launcher launcher = (Launcher) cb;
-            initIfPending(launcher, launcher.isStarted());
-        }
-
-        public boolean initIfPending(Launcher launcher, boolean alreadyOnHome) {
-            InternalStateHandler pendingHandler = mPendingHandler.get();
-            if (pendingHandler != null) {
-                if (!pendingHandler.init(launcher, alreadyOnHome)) {
-                    clearReference(pendingHandler);
-                }
-                return true;
-            }
-            return false;
-        }
-
-        public boolean clearReference(InternalStateHandler handler) {
-            synchronized (this) {
-                if (mPendingHandler.get() == handler) {
-                    mPendingHandler.clear();
-                    return true;
-                }
-                return false;
-            }
-        }
-
-        public boolean hasPending() {
-            return mPendingHandler.get() != null;
-        }
-    }
-}
\ No newline at end of file
diff --git a/src/com/android/launcher3/states/RotationHelper.java b/src/com/android/launcher3/states/RotationHelper.java
index abf90e2..852928b 100644
--- a/src/com/android/launcher3/states/RotationHelper.java
+++ b/src/com/android/launcher3/states/RotationHelper.java
@@ -24,7 +24,6 @@
 import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
 import android.content.res.Resources;
 import android.view.WindowManager;
-import android.view.WindowManager.LayoutParams;
 
 import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
@@ -59,7 +58,9 @@
     private boolean mAutoRotateEnabled;
 
     /**
-     * Rotation request made by {@link InternalStateHandler}. This supersedes any other request.
+     * Rotation request made by
+     * {@link com.android.launcher3.util.ActivityTracker.SchedulerCallback}.
+     * This supersedes any other request.
      */
     private int mStateHandlerRequest = REQUEST_NONE;
     /**
diff --git a/src/com/android/launcher3/testing/TestInformationHandler.java b/src/com/android/launcher3/testing/TestInformationHandler.java
index d3ec83b..619293b 100644
--- a/src/com/android/launcher3/testing/TestInformationHandler.java
+++ b/src/com/android/launcher3/testing/TestInformationHandler.java
@@ -29,6 +29,7 @@
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherAppState;
+import com.android.launcher3.LauncherModel;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.R;
 import com.android.launcher3.allapps.AllAppsStore;
@@ -55,8 +56,7 @@
         mDeviceProfile = InvariantDeviceProfile.INSTANCE.
                 get(context).getDeviceProfile(context);
         mLauncherAppState = LauncherAppState.getInstanceNoCreate();
-        mLauncher = mLauncherAppState != null ?
-                (Launcher) mLauncherAppState.getModel().getCallback() : null;
+        mLauncher = Launcher.ACTIVITY_TRACKER.getCreatedActivity();
     }
 
     public Bundle call(String method) {
@@ -83,7 +83,7 @@
             }
 
             case TestProtocol.REQUEST_IS_LAUNCHER_INITIALIZED: {
-                response.putBoolean(TestProtocol.TEST_INFO_RESPONSE_FIELD, true);
+                response.putBoolean(TestProtocol.TEST_INFO_RESPONSE_FIELD, isLauncherInitialized());
                 break;
             }
 
@@ -121,6 +121,21 @@
                 break;
             }
 
+            case TestProtocol.REQUEST_APPS_LIST_SCROLL_Y: {
+                try {
+                    final int deferUpdatesFlags = MAIN_EXECUTOR.submit(() ->
+                            mLauncher.getAppsView().getActiveRecyclerView().getCurrentScrollY())
+                            .get();
+                    response.putInt(TestProtocol.TEST_INFO_RESPONSE_FIELD,
+                            deferUpdatesFlags);
+                } catch (ExecutionException e) {
+                    throw new RuntimeException(e);
+                } catch (InterruptedException e) {
+                    throw new RuntimeException(e);
+                }
+                break;
+            }
+
             case TestProtocol.REQUEST_TOTAL_PSS_KB: {
                 Debug.MemoryInfo mem = new Debug.MemoryInfo();
                 Debug.getMemoryInfo(mem);
@@ -153,4 +168,9 @@
         }
         return response;
     }
+
+    protected boolean isLauncherInitialized() {
+        final LauncherModel model = LauncherAppState.getInstance(mContext).getModel();
+        return model.getCallback() == null || model.isModelLoaded();
+    }
 }
diff --git a/src/com/android/launcher3/testing/TestProtocol.java b/src/com/android/launcher3/testing/TestProtocol.java
index 62bb564..ac080c2 100644
--- a/src/com/android/launcher3/testing/TestProtocol.java
+++ b/src/com/android/launcher3/testing/TestProtocol.java
@@ -20,13 +20,10 @@
  * Protocol for custom accessibility events for communication with UI Automation tests.
  */
 public final class TestProtocol {
-    public static final String GET_SCROLL_MESSAGE = "TAPL_GET_SCROLL";
-    public static final String SCROLL_Y_FIELD = "scrollY";
     public static final String STATE_FIELD = "state";
     public static final String SWITCHED_TO_STATE_MESSAGE = "TAPL_SWITCHED_TO_STATE";
     public static final String SCROLL_FINISHED_MESSAGE = "TAPL_SCROLL_FINISHED";
     public static final String PAUSE_DETECTED_MESSAGE = "TAPL_PAUSE_DETECTED";
-    public static final String RESPONSE_MESSAGE_POSTFIX = "_RESPONSE";
     public static final int NORMAL_STATE_ORDINAL = 0;
     public static final int SPRING_LOADED_STATE_ORDINAL = 1;
     public static final int OVERVIEW_STATE_ORDINAL = 2;
@@ -71,6 +68,7 @@
     public static final String REQUEST_FREEZE_APP_LIST = "freeze-app-list";
     public static final String REQUEST_UNFREEZE_APP_LIST = "unfreeze-app-list";
     public static final String REQUEST_APP_LIST_FREEZE_FLAGS = "app-list-freeze-flags";
+    public static final String REQUEST_APPS_LIST_SCROLL_Y = "apps-list-scroll-y";
     public static final String REQUEST_OVERVIEW_LEFT_GESTURE_MARGIN = "overview-left-margin";
     public static final String REQUEST_OVERVIEW_RIGHT_GESTURE_MARGIN = "overview-right-margin";
     public static final String REQUEST_TOTAL_PSS_KB = "total_pss";
diff --git a/src/com/android/launcher3/touch/ItemClickHandler.java b/src/com/android/launcher3/touch/ItemClickHandler.java
index 03493a5..455af5a 100644
--- a/src/com/android/launcher3/touch/ItemClickHandler.java
+++ b/src/com/android/launcher3/touch/ItemClickHandler.java
@@ -25,8 +25,6 @@
 import static com.android.launcher3.model.AppLaunchTracker.CONTAINER_ALL_APPS;
 
 import android.app.AlertDialog;
-import android.content.ActivityNotFoundException;
-import android.content.Context;
 import android.content.Intent;
 import android.content.pm.LauncherApps;
 import android.content.pm.PackageInstaller.SessionInfo;
@@ -52,9 +50,9 @@
 import com.android.launcher3.Utilities;
 import com.android.launcher3.WorkspaceItemInfo;
 import com.android.launcher3.compat.AppWidgetManagerCompat;
-import com.android.launcher3.compat.PackageInstallerCompat;
 import com.android.launcher3.folder.Folder;
 import com.android.launcher3.folder.FolderIcon;
+import com.android.launcher3.pm.PackageInstallerCompat;
 import com.android.launcher3.util.PackageManagerHelper;
 import com.android.launcher3.views.FloatingIconView;
 import com.android.launcher3.widget.PendingAppWidgetHostView;
diff --git a/src/com/android/launcher3/util/ActivityTracker.java b/src/com/android/launcher3/util/ActivityTracker.java
new file mode 100644
index 0000000..e85a4e8
--- /dev/null
+++ b/src/com/android/launcher3/util/ActivityTracker.java
@@ -0,0 +1,131 @@
+/*
+ * 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.util;
+
+import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.IBinder;
+
+import androidx.annotation.Nullable;
+
+import com.android.launcher3.BaseActivity;
+
+import java.lang.ref.WeakReference;
+
+/**
+ * Helper class to statically track activity creation
+ */
+public final class ActivityTracker<T extends BaseActivity> implements Runnable {
+
+    private WeakReference<T> mCurrentActivity = new WeakReference<>(null);
+    private WeakReference<SchedulerCallback<T>> mPendingCallback = new WeakReference<>(null);
+
+    private static final String EXTRA_SCHEDULER_CALLBACK = "launcher.scheduler_callback";
+
+    @Nullable
+    public <R extends T> R getCreatedActivity() {
+        return (R) mCurrentActivity.get();
+    }
+
+    public void onActivityDestroyed(T activity) {
+        if (mCurrentActivity.get() == activity) {
+            mCurrentActivity.clear();
+        }
+    }
+
+    public void schedule(SchedulerCallback<? extends T> callback) {
+        synchronized (this) {
+            mPendingCallback = new WeakReference<>((SchedulerCallback<T>) callback);
+        }
+        MAIN_EXECUTOR.execute(this);
+    }
+
+    @Override
+    public void run() {
+        T activity = mCurrentActivity.get();
+        if (activity != null) {
+            initIfPending(activity, activity.isStarted());
+        }
+    }
+
+    public boolean initIfPending(T activity, boolean alreadyOnHome) {
+        SchedulerCallback<T> pendingCallback = mPendingCallback.get();
+        if (pendingCallback != null) {
+            if (!pendingCallback.init(activity, alreadyOnHome)) {
+                clearReference(pendingCallback);
+            }
+            return true;
+        }
+        return false;
+    }
+
+    public boolean clearReference(SchedulerCallback<? extends T> handler) {
+        synchronized (this) {
+            if (mPendingCallback.get() == handler) {
+                mPendingCallback.clear();
+                return true;
+            }
+            return false;
+        }
+    }
+
+    public boolean hasPending() {
+        return mPendingCallback.get() != null;
+    }
+
+    public boolean handleCreate(T activity) {
+        mCurrentActivity = new WeakReference<>(activity);
+        return handleIntent(activity, activity.getIntent(), false, false);
+    }
+
+    public boolean handleNewIntent(T activity, Intent intent) {
+        return handleIntent(activity, intent, activity.isStarted(), true);
+    }
+
+    private boolean handleIntent(
+            T activity, Intent intent, boolean alreadyOnHome, boolean explicitIntent) {
+        boolean result = false;
+        if (intent != null && intent.getExtras() != null) {
+            IBinder stateBinder = intent.getExtras().getBinder(EXTRA_SCHEDULER_CALLBACK);
+            if (stateBinder instanceof ObjectWrapper) {
+                SchedulerCallback<T> handler =
+                        ((ObjectWrapper<SchedulerCallback>) stateBinder).get();
+                if (!handler.init(activity, alreadyOnHome)) {
+                    intent.getExtras().remove(EXTRA_SCHEDULER_CALLBACK);
+                }
+                result = true;
+            }
+        }
+        if (!result && !explicitIntent) {
+            result = initIfPending(activity, alreadyOnHome);
+        }
+        return result;
+    }
+
+    public interface SchedulerCallback<T extends BaseActivity> {
+
+        boolean init(T activity, boolean alreadyOnHome);
+
+        default Intent addToIntent(Intent intent) {
+            Bundle extras = new Bundle();
+            extras.putBinder(EXTRA_SCHEDULER_CALLBACK, ObjectWrapper.wrap(this));
+            intent.putExtras(extras);
+            return intent;
+        }
+    }
+}
diff --git a/src/com/android/launcher3/util/MainThreadInitializedObject.java b/src/com/android/launcher3/util/MainThreadInitializedObject.java
index fe9c2c4..cf4e8c7 100644
--- a/src/com/android/launcher3/util/MainThreadInitializedObject.java
+++ b/src/com/android/launcher3/util/MainThreadInitializedObject.java
@@ -22,6 +22,7 @@
 
 import androidx.annotation.VisibleForTesting;
 
+import com.android.launcher3.uioverrides.DejankBinderTracker;
 import com.android.launcher3.util.ResourceBasedOverride.Overrides;
 
 import java.util.concurrent.ExecutionException;
@@ -41,7 +42,8 @@
     public T get(Context context) {
         if (mValue == null) {
             if (Looper.myLooper() == Looper.getMainLooper()) {
-                mValue = mProvider.get(context.getApplicationContext());
+                mValue = DejankBinderTracker.whitelistIpcs(() ->
+                        mProvider.get(context.getApplicationContext()));
             } else {
                 try {
                     return MAIN_EXECUTOR.submit(() -> get(context)).get();
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/util/ObjectWrapper.java b/src/com/android/launcher3/util/ObjectWrapper.java
similarity index 96%
rename from quickstep/recents_ui_overrides/src/com/android/quickstep/util/ObjectWrapper.java
rename to src/com/android/launcher3/util/ObjectWrapper.java
index abfe3ad..b692431 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/util/ObjectWrapper.java
+++ b/src/com/android/launcher3/util/ObjectWrapper.java
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.android.quickstep.util;
+package com.android.launcher3.util;
 
 import android.os.Binder;
 import android.os.IBinder;
diff --git a/src/com/android/launcher3/util/ShortcutUtil.java b/src/com/android/launcher3/util/ShortcutUtil.java
index af99713..49c97da 100644
--- a/src/com/android/launcher3/util/ShortcutUtil.java
+++ b/src/com/android/launcher3/util/ShortcutUtil.java
@@ -19,7 +19,7 @@
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.WorkspaceItemInfo;
-import com.android.launcher3.config.FeatureFlags;
+import com.android.launcher3.model.WidgetsModel;
 import com.android.launcher3.shortcuts.ShortcutKey;
 
 public class ShortcutUtil {
@@ -64,7 +64,7 @@
     private static boolean isActive(ItemInfo info) {
         boolean isLoading = info instanceof WorkspaceItemInfo
                 && ((WorkspaceItemInfo) info).hasPromiseIconUi();
-        return !isLoading && !info.isDisabled() && !FeatureFlags.GO_DISABLE_WIDGETS;
+        return !isLoading && !info.isDisabled() && !WidgetsModel.GO_DISABLE_WIDGETS;
     }
 
     private static boolean isApp(ItemInfo info) {
@@ -76,4 +76,4 @@
                 && info.container != ItemInfo.NO_ID
                 && info instanceof WorkspaceItemInfo;
     }
-}
\ No newline at end of file
+}
diff --git a/src/com/android/launcher3/views/OptionsPopupView.java b/src/com/android/launcher3/views/OptionsPopupView.java
index 465df44..88d34da 100644
--- a/src/com/android/launcher3/views/OptionsPopupView.java
+++ b/src/com/android/launcher3/views/OptionsPopupView.java
@@ -37,7 +37,7 @@
 import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.config.FeatureFlags;
+import com.android.launcher3.model.WidgetsModel;
 import com.android.launcher3.popup.ArrowPopup;
 import com.android.launcher3.shortcuts.DeepShortcutView;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Action;
@@ -158,7 +158,7 @@
                 R.drawable.ic_palette : R.drawable.ic_wallpaper;
         options.add(new OptionItem(resString, resDrawable,
                 ControlType.WALLPAPER_BUTTON, OptionsPopupView::startWallpaperPicker));
-        if (!FeatureFlags.GO_DISABLE_WIDGETS) {
+        if (!WidgetsModel.GO_DISABLE_WIDGETS) {
             options.add(new OptionItem(R.string.widget_button_text, R.drawable.ic_widget,
                     ControlType.WIDGETS_BUTTON, OptionsPopupView::onWidgetsClicked));
         }
diff --git a/src/com/android/launcher3/widget/PendingItemDragHelper.java b/src/com/android/launcher3/widget/PendingItemDragHelper.java
index 8ea9bd4..662e627 100644
--- a/src/com/android/launcher3/widget/PendingItemDragHelper.java
+++ b/src/com/android/launcher3/widget/PendingItemDragHelper.java
@@ -91,8 +91,8 @@
                         createWidgetInfo.info, maxWidth, previewSizeBeforeScale);
             }
             if (preview == null) {
-                preview = app.getWidgetCache().generateWidgetPreview(
-                        launcher, createWidgetInfo.info, maxWidth, null, previewSizeBeforeScale);
+                preview = app.getWidgetCache().generateWidgetPreview(launcher,
+                        createWidgetInfo.info, maxWidth, null, previewSizeBeforeScale).first;
             }
 
             if (previewSizeBeforeScale[0] < previewBitmapWidth) {
diff --git a/src/com/android/launcher3/widget/custom/CustomWidgetManager.java b/src/com/android/launcher3/widget/custom/CustomWidgetManager.java
index f20c83d..b3569f2 100644
--- a/src/com/android/launcher3/widget/custom/CustomWidgetManager.java
+++ b/src/com/android/launcher3/widget/custom/CustomWidgetManager.java
@@ -38,7 +38,6 @@
 import com.android.systemui.plugins.CustomWidgetPlugin;
 import com.android.systemui.plugins.PluginListener;
 
-import java.lang.ref.WeakReference;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.function.Consumer;
@@ -57,14 +56,12 @@
      */
     private int mAutoProviderId = 0;
     private final SparseArray<CustomWidgetPlugin> mPlugins;
-    private final SparseArray<WeakReference<Context>> mContexts;
     private final List<CustomAppWidgetProviderInfo> mCustomWidgets;
     private final SparseArray<ComponentName> mWidgetsIdMap;
     private Consumer<PackageUserKey> mWidgetRefreshCallback;
 
     private CustomWidgetManager(Context context) {
         mPlugins = new SparseArray<>();
-        mContexts = new SparseArray<>();
         mCustomWidgets = new ArrayList<>();
         mWidgetsIdMap = new SparseArray<>();
         PluginManagerWrapper.INSTANCE.get(context)
@@ -74,7 +71,6 @@
     @Override
     public void onPluginConnected(CustomWidgetPlugin plugin, Context context) {
         mPlugins.put(mAutoProviderId, plugin);
-        mContexts.put(mAutoProviderId, new WeakReference<>(context));
         List<AppWidgetProviderInfo> providers = AppWidgetManager.getInstance(context)
                 .getInstalledProvidersForProfile(Process.myUserHandle());
         if (providers.isEmpty()) return;
@@ -94,7 +90,6 @@
         int providerId = findProviderId(plugin);
         if (providerId == -1) return;
         mPlugins.remove(providerId);
-        mContexts.remove(providerId);
         mCustomWidgets.remove(getWidgetProvider(providerId));
         mWidgetsIdMap.remove(providerId);
     }
@@ -112,9 +107,8 @@
     public void onViewCreated(LauncherAppWidgetHostView view) {
         CustomAppWidgetProviderInfo info = (CustomAppWidgetProviderInfo) view.getAppWidgetInfo();
         CustomWidgetPlugin plugin = mPlugins.get(info.providerId);
-        WeakReference<Context> context = mContexts.get(info.providerId);
         if (plugin == null) return;
-        plugin.onViewCreated(context == null ? null : context.get(), view);
+        plugin.onViewCreated(view);
     }
 
     /**
@@ -156,13 +150,13 @@
         info.provider = new ComponentName(
                 context.getPackageName(), CLS_CUSTOM_WIDGET_PREFIX + providerId);
 
-        info.label = plugin.getLabel(context);
-        info.resizeMode = plugin.getResizeMode(context);
+        info.label = plugin.getLabel();
+        info.resizeMode = plugin.getResizeMode();
 
-        info.spanX = plugin.getSpanX(context);
-        info.spanY = plugin.getSpanY(context);
-        info.minSpanX = plugin.getMinSpanX(context);
-        info.minSpanY = plugin.getMinSpanY(context);
+        info.spanX = plugin.getSpanX();
+        info.spanY = plugin.getSpanY();
+        info.minSpanX = plugin.getMinSpanX();
+        info.minSpanY = plugin.getMinSpanY();
         return info;
     }
 
diff --git a/src_build_config/BuildConfig.java b/src_build_config/BuildConfig.java
index 36d7f4b..49aadf6 100644
--- a/src_build_config/BuildConfig.java
+++ b/src_build_config/BuildConfig.java
@@ -18,4 +18,5 @@
 
 public final class BuildConfig {
   public static final String APPLICATION_ID = "com.android.launcher3";
+  public static final boolean DEBUG = false;
 }
diff --git a/src_flags/com/android/launcher3/config/FeatureFlags.java b/src_flags/com/android/launcher3/config/FeatureFlags.java
deleted file mode 100644
index 73c6996..0000000
--- a/src_flags/com/android/launcher3/config/FeatureFlags.java
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2015 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.config;
-
-import android.content.Context;
-
-/**
- * Defines a set of flags used to control various launcher behaviors
- */
-public final class FeatureFlags extends BaseFlags {
-    private FeatureFlags() {
-        // Prevent instantiation
-    }
-}
diff --git a/src_plugins/com/android/systemui/plugins/CustomWidgetPlugin.java b/src_plugins/com/android/systemui/plugins/CustomWidgetPlugin.java
index 47aa94b..56ebcc5 100644
--- a/src_plugins/com/android/systemui/plugins/CustomWidgetPlugin.java
+++ b/src_plugins/com/android/systemui/plugins/CustomWidgetPlugin.java
@@ -17,7 +17,6 @@
 package com.android.systemui.plugins;
 
 import android.appwidget.AppWidgetHostView;
-import android.content.Context;
 
 import com.android.systemui.plugins.annotations.ProvidesInterface;
 
@@ -33,40 +32,40 @@
     /**
      * The label to display to the user in the AppWidget picker.
      */
-    String getLabel(Context context);
+    String getLabel();
 
     /**
      * The default width of the widget when added to a host, in dp. The widget will get
      * at least this width, and will often be given more, depending on the host.
      */
-    int getSpanX(Context context);
+    int getSpanX();
 
     /**
      * The default height of the widget when added to a host, in dp. The widget will get
      * at least this height, and will often be given more, depending on the host.
      */
-    int getSpanY(Context context);
+    int getSpanY();
 
     /**
      * Minimum width (in dp) which the widget can be resized to. This field has no effect if it
      * is greater than minWidth or if horizontal resizing isn't enabled.
      */
-    int getMinSpanX(Context context);
+    int getMinSpanX();
 
     /**
      * Minimum height (in dp) which the widget can be resized to. This field has no effect if it
      * is greater than minHeight or if vertical resizing isn't enabled.
      */
-    int getMinSpanY(Context context);
+    int getMinSpanY();
 
     /**
      * The rules by which a widget can be resized.
      */
-    int getResizeMode(Context context);
+    int getResizeMode();
 
     /**
      * Notify the plugin that container of the widget has been rendered, where the custom widget
      * can be attached to.
      */
-    void onViewCreated(Context context, AppWidgetHostView parent);
+    void onViewCreated(AppWidgetHostView parent);
 }
diff --git a/src_plugins/com/android/systemui/plugins/OverlayPlugin.java b/src_plugins/com/android/systemui/plugins/OverlayPlugin.java
new file mode 100644
index 0000000..1edb692
--- /dev/null
+++ b/src_plugins/com/android/systemui/plugins/OverlayPlugin.java
@@ -0,0 +1,34 @@
+/*
+ * 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.systemui.plugins;
+
+import android.app.Activity;
+
+import com.android.systemui.plugins.annotations.ProvidesInterface;
+import com.android.systemui.plugins.shared.LauncherExterns;
+import com.android.systemui.plugins.shared.LauncherOverlayManager;
+
+/**
+ * Implement this interface to add a -1 content on the home screen.
+ */
+@ProvidesInterface(action = OverlayPlugin.ACTION, version = OverlayPlugin.VERSION)
+public interface OverlayPlugin extends Plugin {
+    String ACTION = "com.android.systemui.action.PLUGIN_LAUNCHER_OVERLAY";
+    int VERSION = 1;
+
+    LauncherOverlayManager createOverlayManager(Activity activity, LauncherExterns externs);
+
+}
diff --git a/src/com/android/launcher3/LauncherExterns.java b/src_plugins/com/android/systemui/plugins/shared/LauncherExterns.java
similarity index 63%
rename from src/com/android/launcher3/LauncherExterns.java
rename to src_plugins/com/android/systemui/plugins/shared/LauncherExterns.java
index 272bbf6..13e4999 100644
--- a/src/com/android/launcher3/LauncherExterns.java
+++ b/src_plugins/com/android/systemui/plugins/shared/LauncherExterns.java
@@ -14,19 +14,36 @@
  * limitations under the License.
  */
 
-package com.android.launcher3;
+package com.android.systemui.plugins.shared;
 
 import android.content.SharedPreferences;
 
+import com.android.systemui.plugins.shared.LauncherOverlayManager.LauncherOverlay;
+
 /**
  * This interface defines the set of methods that the Launcher activity exposes. Methods
  * here should be safe to call from classes outside of com.android.launcher3.*
  */
 public interface LauncherExterns {
 
-    boolean setLauncherCallbacks(LauncherCallbacks callbacks);
-
+    /**
+     * Returns the shared main preference
+     */
     SharedPreferences getSharedPrefs();
 
-    void setLauncherOverlay(Launcher.LauncherOverlay overlay);
+    /**
+     * Returns the device specific preference
+     */
+    SharedPreferences getDevicePrefs();
+
+    /**
+     * Sets the overlay on the target activity
+     */
+    void setLauncherOverlay(LauncherOverlay overlay);
+
+    /**
+     * Executes the command, next time the overlay is hidden
+     */
+    void runOnOverlayHidden(Runnable runnable);
+
 }
diff --git a/src_plugins/com/android/systemui/plugins/shared/LauncherOverlayManager.java b/src_plugins/com/android/systemui/plugins/shared/LauncherOverlayManager.java
new file mode 100644
index 0000000..ac02ba4
--- /dev/null
+++ b/src_plugins/com/android/systemui/plugins/shared/LauncherOverlayManager.java
@@ -0,0 +1,98 @@
+/*
+ * 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.systemui.plugins.shared;
+
+import android.app.Activity;
+import android.app.Application;
+import android.os.Bundle;
+
+import java.io.PrintWriter;
+
+/**
+ * Interface to control the overlay on Launcher
+ */
+public interface LauncherOverlayManager extends Application.ActivityLifecycleCallbacks {
+
+    default void onDeviceProvideChanged() { }
+
+    default void onAttachedToWindow() { }
+    default void onDetachedFromWindow() { }
+
+    default void dump(String prefix, PrintWriter w) { }
+
+    default void openOverlay() { }
+
+    default void hideOverlay(boolean animate) {
+        hideOverlay(animate ? 200 : 0);
+    }
+
+    default void hideOverlay(int duration) { }
+
+    default boolean startSearch(byte[] config, Bundle extras) {
+        return false;
+    }
+
+    @Override
+    default void onActivityCreated(Activity activity, Bundle bundle) { }
+
+    @Override
+    default void onActivityStarted(Activity activity) { }
+
+    @Override
+    default void onActivityResumed(Activity activity) { }
+
+    @Override
+    default void onActivityPaused(Activity activity) { }
+
+    @Override
+    default void onActivityStopped(Activity activity) { }
+
+    @Override
+    default void onActivitySaveInstanceState(Activity activity, Bundle bundle) { }
+
+    @Override
+    default void onActivityDestroyed(Activity activity) { }
+
+    interface LauncherOverlay {
+
+        /**
+         * Touch interaction leading to overscroll has begun
+         */
+        void onScrollInteractionBegin();
+
+        /**
+         * Touch interaction related to overscroll has ended
+         */
+        void onScrollInteractionEnd();
+
+        /**
+         * Scroll progress, between 0 and 100, when the user scrolls beyond the leftmost
+         * screen (or in the case of RTL, the rightmost screen).
+         */
+        void onScrollChange(float progress, boolean rtl);
+
+        /**
+         * Called when the launcher is ready to use the overlay
+         * @param callbacks A set of callbacks provided by Launcher in relation to the overlay
+         */
+        void setOverlayCallbacks(LauncherOverlayCallbacks callbacks);
+    }
+
+    interface LauncherOverlayCallbacks {
+
+        void onScrollChanged(float progress);
+    }
+}
diff --git a/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java b/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java
index 7a7f828..0f6ad27 100644
--- a/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java
+++ b/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java
@@ -11,8 +11,6 @@
 import android.util.Log;
 
 import com.android.launcher3.AppFilter;
-import com.android.launcher3.icons.ComponentWithLabel;
-import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherAppWidgetProviderInfo;
@@ -22,6 +20,8 @@
 import com.android.launcher3.compat.LauncherAppsCompat;
 import com.android.launcher3.compat.ShortcutConfigActivityInfo;
 import com.android.launcher3.config.FeatureFlags;
+import com.android.launcher3.icons.ComponentWithLabel;
+import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.util.MultiHashMap;
 import com.android.launcher3.util.PackageUserKey;
 import com.android.launcher3.util.Preconditions;
@@ -46,6 +46,9 @@
  */
 public class WidgetsModel {
 
+    // True is the widget support is disabled.
+    public static final boolean GO_DISABLE_WIDGETS = false;
+
     private static final String TAG = "WidgetsModel";
     private static final boolean DEBUG = false;
 
diff --git a/src_ui_overrides/com/android/launcher3/uioverrides/DejankBinderTracker.java b/src_ui_overrides/com/android/launcher3/uioverrides/DejankBinderTracker.java
new file mode 100644
index 0000000..47f6ac6
--- /dev/null
+++ b/src_ui_overrides/com/android/launcher3/uioverrides/DejankBinderTracker.java
@@ -0,0 +1,57 @@
+/**
+ * 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 android.os.IBinder;
+
+import java.util.function.BiConsumer;
+import java.util.function.Supplier;
+
+/**
+ * A binder proxy transaction listener for tracking non-whitelisted binder calls.
+ */
+public class DejankBinderTracker {
+    public static void whitelistIpcs(Runnable runnable) {}
+
+    public static <T> T whitelistIpcs(Supplier<T> supplier) {
+        return  null;
+    }
+
+    public static void allowBinderTrackingInTests() {}
+
+    public static void disallowBinderTrackingInTests() {}
+
+    public DejankBinderTracker(BiConsumer<String, Integer> unexpectedTransactionCallback) {    }
+
+    public void startTracking() {}
+
+    public void stopTracking() {}
+
+    public Object onTransactStarted(IBinder binder, int transactionCode, int flags) {
+        return null;
+    }
+
+    public Object onTransactStarted(IBinder binder, int transactionCode) {
+        return null;
+    }
+
+    public void onTransactEnded(Object session) {}
+
+    public static boolean isMainThread() {
+        return true;
+    }
+}
diff --git a/src_ui_overrides/com/android/launcher3/uioverrides/TogglableFlag.java b/src_ui_overrides/com/android/launcher3/uioverrides/TogglableFlag.java
index 60f12d8..d7bb293 100644
--- a/src_ui_overrides/com/android/launcher3/uioverrides/TogglableFlag.java
+++ b/src_ui_overrides/com/android/launcher3/uioverrides/TogglableFlag.java
@@ -17,7 +17,8 @@
 package com.android.launcher3.uioverrides;
 
 import android.content.Context;
-import com.android.launcher3.config.BaseFlags.BaseTogglableFlag;
+
+import com.android.launcher3.config.FeatureFlags.BaseTogglableFlag;
 
 public class TogglableFlag extends BaseTogglableFlag {
 
diff --git a/tests/Android.mk b/tests/Android.mk
index 02ead4e..b5c1dae 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -30,13 +30,14 @@
     LOCAL_STATIC_JAVA_LIBRARIES += SystemUISharedLib
 
     LOCAL_SRC_FILES := $(call all-java-files-under, tapl) \
+        ../quickstep/src/com/android/launcher3/uioverrides/DejankBinderTracker.java \
         ../src/com/android/launcher3/ResourceUtils.java \
         ../src/com/android/launcher3/util/SecureSettingsObserver.java \
         ../src/com/android/launcher3/testing/TestProtocol.java
 endif
 
 LOCAL_MODULE := ub-launcher-aosp-tapl
-LOCAL_SDK_VERSION := current
+LOCAL_SDK_VERSION := system_current
 
 include $(BUILD_STATIC_JAVA_LIBRARY)
 
diff --git a/tests/AndroidManifest-common.xml b/tests/AndroidManifest-common.xml
index c6f55a7..0b74dc4 100644
--- a/tests/AndroidManifest-common.xml
+++ b/tests/AndroidManifest-common.xml
@@ -73,8 +73,12 @@
             </intent-filter>
         </activity>
 
+        <service
+            android:name="com.android.launcher3.testcomponent.ListViewService"
+            android:permission="android.permission.BIND_REMOTEVIEWS" />
+
         <provider
-            android:name="com.android.launcher3.testcomponent.TestCommandReceiver"
+            android:name="com.android.launcher3.testcomponent.TestCommandProvider"
             android:authorities="${packageName}.commands"
             android:exported="true"/>
 
diff --git a/tests/res/layout/test_layout_widget_list.xml b/tests/res/layout/test_layout_widget_list.xml
new file mode 100644
index 0000000..0152040
--- /dev/null
+++ b/tests/res/layout/test_layout_widget_list.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="#FFFFFF">
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="#FF0000FF"
+        android:id="@android:id/text1"
+        android:padding="10dp" />
+
+    <ListView
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1"
+        android:id="@android:id/list" />
+</LinearLayout>
\ No newline at end of file
diff --git a/tests/src/com/android/launcher3/compat/PromiseIconUiTest.java b/tests/src/com/android/launcher3/compat/PromiseIconUiTest.java
index efbd9c9..7ef946d 100644
--- a/tests/src/com/android/launcher3/compat/PromiseIconUiTest.java
+++ b/tests/src/com/android/launcher3/compat/PromiseIconUiTest.java
@@ -48,7 +48,6 @@
     public void setUp() throws Exception {
         super.setUp();
         mDevice.pressHome();
-        waitForLauncherCondition("Launcher didn't start", launcher -> launcher != null);
         waitForState("Launcher internal state didn't switch to Home", LauncherState.NORMAL);
         mSessionId = -1;
     }
diff --git a/tests/src/com/android/launcher3/testcomponent/ListViewService.java b/tests/src/com/android/launcher3/testcomponent/ListViewService.java
new file mode 100644
index 0000000..3da20e0
--- /dev/null
+++ b/tests/src/com/android/launcher3/testcomponent/ListViewService.java
@@ -0,0 +1,95 @@
+/*
+ * 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.testcomponent;
+
+import android.content.Intent;
+import android.os.IBinder;
+import android.widget.RemoteViews;
+import android.widget.RemoteViewsService;
+
+public class ListViewService extends RemoteViewsService {
+
+    public static IBinder sBinderForTest;
+
+    @Override
+    public RemoteViewsFactory onGetViewFactory(Intent intent) {
+        return new SimpleViewsFactory();
+    }
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        return sBinderForTest != null ? sBinderForTest : super.onBind(intent);
+    }
+
+    public static class SimpleViewsFactory implements RemoteViewsFactory {
+
+        public int viewCount = 0;
+
+        @Override
+        public void onCreate() { }
+
+        @Override
+        public void onDataSetChanged() { }
+
+        @Override
+        public void onDestroy() { }
+
+        @Override
+        public int getCount() {
+            return viewCount;
+        }
+
+        @Override
+        public RemoteViews getViewAt(int i) {
+            RemoteViews views = new RemoteViews("android", android.R.layout.simple_list_item_1);
+            views.setTextViewText(android.R.id.text1, getLabel(i));
+            return views;
+        }
+
+        public String getLabel(int i) {
+            return "Item " + i;
+        }
+
+        @Override
+        public RemoteViews getLoadingView() {
+            return null;
+        }
+
+        @Override
+        public int getViewTypeCount() {
+            return 1;
+        }
+
+        @Override
+        public long getItemId(int i) {
+            return i;
+        }
+
+        @Override
+        public boolean hasStableIds() {
+            return false;
+        }
+
+        public IBinder toBinder() {
+            return new RemoteViewsService() {
+                @Override
+                public RemoteViewsFactory onGetViewFactory(Intent intent) {
+                    return SimpleViewsFactory.this;
+                }
+            }.onBind(new Intent("dummy_intent"));
+        }
+    }
+}
diff --git a/tests/src/com/android/launcher3/testcomponent/TestCommandProvider.java b/tests/src/com/android/launcher3/testcomponent/TestCommandProvider.java
new file mode 100644
index 0000000..f9981a9
--- /dev/null
+++ b/tests/src/com/android/launcher3/testcomponent/TestCommandProvider.java
@@ -0,0 +1,131 @@
+/*
+ * 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.testcomponent;
+
+import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
+import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED;
+import static android.content.pm.PackageManager.DONT_KILL_APP;
+import static android.os.ParcelFileDescriptor.MODE_READ_WRITE;
+
+import static com.android.launcher3.testcomponent.TestCommandReceiver.DISABLE_TEST_LAUNCHER;
+import static com.android.launcher3.testcomponent.TestCommandReceiver.ENABLE_TEST_LAUNCHER;
+import static com.android.launcher3.testcomponent.TestCommandReceiver.EXTRA_VALUE;
+import static com.android.launcher3.testcomponent.TestCommandReceiver.GET_SYSTEM_HEALTH_MESSAGE;
+import static com.android.launcher3.testcomponent.TestCommandReceiver.KILL_PROCESS;
+import static com.android.launcher3.testcomponent.TestCommandReceiver.SET_LIST_VIEW_SERVICE_BINDER;
+
+import android.app.Activity;
+import android.app.ActivityManager;
+import android.content.ComponentName;
+import android.content.ContentProvider;
+import android.content.ContentValues;
+import android.database.Cursor;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.ParcelFileDescriptor;
+import android.util.Base64;
+
+import com.android.launcher3.tapl.TestHelpers;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+
+public class TestCommandProvider extends ContentProvider {
+
+    @Override
+    public boolean onCreate() {
+        return true;
+    }
+
+    @Override
+    public int delete(Uri uri, String selection, String[] selectionArgs) {
+        throw new UnsupportedOperationException("unimplemented mock method");
+    }
+
+    @Override
+    public String getType(Uri uri) {
+        throw new UnsupportedOperationException("unimplemented mock method");
+    }
+
+    @Override
+    public Uri insert(Uri uri, ContentValues values) {
+        throw new UnsupportedOperationException("unimplemented mock method");
+    }
+
+    @Override
+    public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
+            String sortOrder) {
+        throw new UnsupportedOperationException("unimplemented mock method");
+    }
+
+    @Override
+    public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
+        throw new UnsupportedOperationException("unimplemented mock method");
+    }
+
+    @Override
+    public Bundle call(String method, String arg, Bundle extras) {
+        switch (method) {
+            case ENABLE_TEST_LAUNCHER: {
+                getContext().getPackageManager().setComponentEnabledSetting(
+                        new ComponentName(getContext(), TestLauncherActivity.class),
+                        COMPONENT_ENABLED_STATE_ENABLED, DONT_KILL_APP);
+                return null;
+            }
+            case DISABLE_TEST_LAUNCHER: {
+                getContext().getPackageManager().setComponentEnabledSetting(
+                        new ComponentName(getContext(), TestLauncherActivity.class),
+                        COMPONENT_ENABLED_STATE_DISABLED, DONT_KILL_APP);
+                return null;
+            }
+            case KILL_PROCESS: {
+                ((ActivityManager) getContext().getSystemService(Activity.ACTIVITY_SERVICE))
+                        .killBackgroundProcesses(arg);
+                return null;
+            }
+
+            case GET_SYSTEM_HEALTH_MESSAGE: {
+                final Bundle response = new Bundle();
+                response.putString("result",
+                        TestHelpers.getSystemHealthMessage(getContext(), Long.parseLong(arg)));
+                return response;
+            }
+
+            case SET_LIST_VIEW_SERVICE_BINDER: {
+                ListViewService.sBinderForTest = extras.getBinder(EXTRA_VALUE);
+                return null;
+            }
+        }
+        return super.call(method, arg, extras);
+    }
+
+    @Override
+    public ParcelFileDescriptor openFile(Uri uri, String mode) throws FileNotFoundException {
+        String path = Base64.encodeToString(uri.getPath().getBytes(),
+                Base64.NO_CLOSE | Base64.NO_PADDING | Base64.NO_WRAP);
+        File file = new File(getContext().getCacheDir(), path);
+        if (!file.exists()) {
+            // Create an empty file so that we can pass its descriptor
+            try {
+                file.createNewFile();
+            } catch (IOException e) {
+            }
+        }
+
+        return ParcelFileDescriptor.open(file, MODE_READ_WRITE);
+    }
+}
diff --git a/tests/src/com/android/launcher3/testcomponent/TestCommandReceiver.java b/tests/src/com/android/launcher3/testcomponent/TestCommandReceiver.java
index 4246096..eb6c3ed 100644
--- a/tests/src/com/android/launcher3/testcomponent/TestCommandReceiver.java
+++ b/tests/src/com/android/launcher3/testcomponent/TestCommandReceiver.java
@@ -15,126 +15,36 @@
  */
 package com.android.launcher3.testcomponent;
 
-import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
-import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED;
-import static android.content.pm.PackageManager.DONT_KILL_APP;
-import static android.os.ParcelFileDescriptor.MODE_READ_WRITE;
-
-import android.app.Activity;
-import android.app.ActivityManager;
 import android.app.Instrumentation;
-import android.content.ComponentName;
-import android.content.ContentProvider;
-import android.content.ContentValues;
-import android.database.Cursor;
 import android.net.Uri;
 import android.os.Bundle;
-import android.os.ParcelFileDescriptor;
-import android.util.Base64;
 
 import androidx.test.InstrumentationRegistry;
 
-import com.android.launcher3.tapl.TestHelpers;
-
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-
 /**
  * Content provider to receive commands from tests
  */
-public class TestCommandReceiver extends ContentProvider {
+public class TestCommandReceiver {
 
     public static final String ENABLE_TEST_LAUNCHER = "enable-test-launcher";
     public static final String DISABLE_TEST_LAUNCHER = "disable-test-launcher";
     public static final String KILL_PROCESS = "kill-process";
     public static final String GET_SYSTEM_HEALTH_MESSAGE = "get-system-health-message";
+    public static final String SET_LIST_VIEW_SERVICE_BINDER = "set-list-view-service-binder";
 
-    @Override
-    public boolean onCreate() {
-        return true;
-    }
-
-    @Override
-    public int delete(Uri uri, String selection, String[] selectionArgs) {
-        throw new UnsupportedOperationException("unimplemented mock method");
-    }
-
-    @Override
-    public String getType(Uri uri) {
-        throw new UnsupportedOperationException("unimplemented mock method");
-    }
-
-    @Override
-    public Uri insert(Uri uri, ContentValues values) {
-        throw new UnsupportedOperationException("unimplemented mock method");
-    }
-
-    @Override
-    public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
-            String sortOrder) {
-        throw new UnsupportedOperationException("unimplemented mock method");
-    }
-
-    @Override
-    public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
-        throw new UnsupportedOperationException("unimplemented mock method");
-    }
-
-    @Override
-    public Bundle call(String method, String arg, Bundle extras) {
-        switch (method) {
-            case ENABLE_TEST_LAUNCHER: {
-                getContext().getPackageManager().setComponentEnabledSetting(
-                        new ComponentName(getContext(), TestLauncherActivity.class),
-                        COMPONENT_ENABLED_STATE_ENABLED, DONT_KILL_APP);
-                return null;
-            }
-            case DISABLE_TEST_LAUNCHER: {
-                getContext().getPackageManager().setComponentEnabledSetting(
-                        new ComponentName(getContext(), TestLauncherActivity.class),
-                        COMPONENT_ENABLED_STATE_DISABLED, DONT_KILL_APP);
-                return null;
-            }
-            case KILL_PROCESS: {
-                ((ActivityManager) getContext().getSystemService(Activity.ACTIVITY_SERVICE)).
-                        killBackgroundProcesses(arg);
-                return null;
-            }
-
-            case GET_SYSTEM_HEALTH_MESSAGE: {
-                final Bundle response = new Bundle();
-                response.putString("result",
-                        TestHelpers.getSystemHealthMessage(getContext(), Long.parseLong(arg)));
-                return response;
-            }
-        }
-        return super.call(method, arg, extras);
-    }
+    public static final String EXTRA_VALUE = "value";
 
     public static Bundle callCommand(String command) {
         return callCommand(command, null);
     }
 
     public static Bundle callCommand(String command, String arg) {
-        Instrumentation inst = InstrumentationRegistry.getInstrumentation();
-        Uri uri = Uri.parse("content://" + inst.getContext().getPackageName() + ".commands");
-        return inst.getTargetContext().getContentResolver().call(uri, command, arg, null);
+        return callCommand(command, arg, null);
     }
 
-    @Override
-    public ParcelFileDescriptor openFile(Uri uri, String mode) throws FileNotFoundException {
-        String path = Base64.encodeToString(uri.getPath().getBytes(),
-                Base64.NO_CLOSE | Base64.NO_PADDING | Base64.NO_WRAP);
-        File file = new File(getContext().getCacheDir(), path);
-        if (!file.exists()) {
-            // Create an empty file so that we can pass its descriptor
-            try {
-                file.createNewFile();
-            } catch (IOException e) {
-            }
-        }
-
-        return ParcelFileDescriptor.open(file, MODE_READ_WRITE);
+    public static Bundle callCommand(String command, String arg, Bundle extras) {
+        Instrumentation inst = InstrumentationRegistry.getInstrumentation();
+        Uri uri = Uri.parse("content://" + inst.getContext().getPackageName() + ".commands");
+        return inst.getTargetContext().getContentResolver().call(uri, command, arg, extras);
     }
 }
diff --git a/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java b/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
index 0f50009..63657dd 100644
--- a/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
+++ b/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
@@ -17,6 +17,7 @@
 
 import static androidx.test.InstrumentationRegistry.getInstrumentation;
 
+import static com.android.launcher3.WorkspaceLayoutManager.FIRST_SCREEN_ID;
 import static com.android.launcher3.tapl.LauncherInstrumentation.ContainerType;
 import static com.android.launcher3.ui.TaplTestsLauncher3.getAppPackageName;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
@@ -27,9 +28,11 @@
 
 import android.content.BroadcastReceiver;
 import android.content.ComponentName;
+import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.content.pm.ActivityInfo;
 import android.content.pm.LauncherActivityInfo;
 import android.content.pm.PackageManager;
 import android.os.Process;
@@ -42,6 +45,7 @@
 import androidx.test.uiautomator.UiDevice;
 import androidx.test.uiautomator.Until;
 
+import com.android.launcher3.ItemInfo;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherModel;
@@ -55,6 +59,7 @@
 import com.android.launcher3.tapl.TestHelpers;
 import com.android.launcher3.testcomponent.TestCommandReceiver;
 import com.android.launcher3.testing.TestProtocol;
+import com.android.launcher3.util.ContentWriter;
 import com.android.launcher3.util.LooperExecutor;
 import com.android.launcher3.util.PackageManagerHelper;
 import com.android.launcher3.util.Wait;
@@ -228,6 +233,35 @@
     }
 
     /**
+     * Adds {@param item} on the homescreen on the 0th screen
+     */
+    protected void addItemToScreen(ItemInfo item) {
+        ContentResolver resolver = mTargetContext.getContentResolver();
+        int screenId = FIRST_SCREEN_ID;
+        // Update the screen id counter for the provider.
+        LauncherSettings.Settings.call(resolver, LauncherSettings.Settings.METHOD_NEW_SCREEN_ID);
+
+        if (screenId > FIRST_SCREEN_ID) {
+            screenId = FIRST_SCREEN_ID;
+        }
+
+        // Insert the item
+        ContentWriter writer = new ContentWriter(mTargetContext);
+        item.id = LauncherSettings.Settings.call(
+                resolver, LauncherSettings.Settings.METHOD_NEW_ITEM_ID)
+                .getInt(LauncherSettings.Settings.EXTRA_VALUE);
+        item.screenId = screenId;
+        item.onAddToDatabase(writer);
+        writer.put(LauncherSettings.Favorites._ID, item.id);
+        resolver.insert(LauncherSettings.Favorites.CONTENT_URI, writer.getValues(mTargetContext));
+        resetLoaderState();
+
+        // Launch the home activity
+        mDevice.pressHome();
+        waitForModelLoaded();
+    }
+
+    /**
      * Runs the callback on the UI thread and returns the result.
      */
     protected <T> T getOnUiThread(final Callable<T> callback) {
@@ -344,14 +378,14 @@
         }
     }
 
-    protected void startAppFast(String packageName) {
+    public static void startAppFast(String packageName) {
         startIntent(
                 getInstrumentation().getContext().getPackageManager().getLaunchIntentForPackage(
                         packageName),
                 By.pkg(packageName).depth(0));
     }
 
-    protected void startTestActivity(int activityNumber) {
+    public static void startTestActivity(int activityNumber) {
         final String packageName = getAppPackageName();
         final Intent intent = getInstrumentation().getContext().getPackageManager().
                 getLaunchIntentForPackage(packageName);
@@ -360,19 +394,25 @@
         startIntent(intent, By.pkg(packageName).text("TestActivity" + activityNumber));
     }
 
-    private void startIntent(Intent intent, BySelector selector) {
+    private static void startIntent(Intent intent, BySelector selector) {
         intent.addCategory(Intent.CATEGORY_LAUNCHER);
         intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
         getInstrumentation().getTargetContext().startActivity(intent);
         assertTrue("App didn't start: " + selector,
-                mDevice.wait(Until.hasObject(selector), DEFAULT_UI_TIMEOUT));
+                UiDevice.getInstance(getInstrumentation())
+                        .wait(Until.hasObject(selector), DEFAULT_UI_TIMEOUT));
     }
 
-    public static String resolveSystemApp(String category) {
+    public static ActivityInfo resolveSystemAppInfo(String category) {
         return getInstrumentation().getContext().getPackageManager().resolveActivity(
                 new Intent(Intent.ACTION_MAIN).addCategory(category),
                 PackageManager.MATCH_SYSTEM_ONLY).
-                activityInfo.packageName;
+                activityInfo;
+    }
+
+
+    public static String resolveSystemApp(String category) {
+        return resolveSystemAppInfo(category).packageName;
     }
 
     protected void closeLauncherActivity() {
diff --git a/tests/src/com/android/launcher3/ui/DefaultLayoutProviderTest.java b/tests/src/com/android/launcher3/ui/DefaultLayoutProviderTest.java
index a76b4a4..1d89d6e 100644
--- a/tests/src/com/android/launcher3/ui/DefaultLayoutProviderTest.java
+++ b/tests/src/com/android/launcher3/ui/DefaultLayoutProviderTest.java
@@ -30,7 +30,7 @@
 import androidx.test.runner.AndroidJUnit4;
 
 import com.android.launcher3.LauncherAppWidgetProviderInfo;
-import com.android.launcher3.testcomponent.TestCommandReceiver;
+import com.android.launcher3.testcomponent.TestCommandProvider;
 import com.android.launcher3.util.LauncherLayoutBuilder;
 import com.android.launcher3.util.rule.ShellCommandRule;
 
@@ -63,7 +63,7 @@
 
         PackageManager pm = mTargetContext.getPackageManager();
         ProviderInfo pi = pm.getProviderInfo(new ComponentName(mContext,
-                TestCommandReceiver.class), 0);
+                TestCommandProvider.class), 0);
         mAuthority = pi.authority;
     }
 
@@ -73,7 +73,6 @@
 
         // Launch the home activity
         mDevice.pressHome();
-        waitForModelLoaded();
 
         mLauncher.getWorkspace().getHotseatAppIcon(getSettingsApp().getLabel().toString());
     }
@@ -89,7 +88,6 @@
 
         // Launch the home activity
         mDevice.pressHome();
-        waitForModelLoaded();
 
         // Verify widget present
         assertTrue("Widget is not present",
@@ -106,7 +104,6 @@
 
         // Launch the home activity
         mDevice.pressHome();
-        waitForModelLoaded();
 
         mLauncher.getWorkspace().getHotseatFolder("Folder: Copy");
     }
diff --git a/tests/src/com/android/launcher3/ui/widget/BindWidgetTest.java b/tests/src/com/android/launcher3/ui/widget/BindWidgetTest.java
index e6348d9..3d691da 100644
--- a/tests/src/com/android/launcher3/ui/widget/BindWidgetTest.java
+++ b/tests/src/com/android/launcher3/ui/widget/BindWidgetTest.java
@@ -15,7 +15,9 @@
  */
 package com.android.launcher3.ui.widget;
 
-import static com.android.launcher3.WorkspaceLayoutManager.FIRST_SCREEN_ID;
+import static androidx.test.InstrumentationRegistry.getTargetContext;
+
+import static com.android.launcher3.widget.WidgetHostViewLoader.getDefaultOptionsForWidget;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
@@ -25,6 +27,7 @@
 import android.appwidget.AppWidgetManager;
 import android.content.ComponentName;
 import android.content.ContentResolver;
+import android.content.Context;
 import android.content.pm.PackageInstaller;
 import android.content.pm.PackageInstaller.SessionParams;
 import android.content.pm.PackageManager;
@@ -39,15 +42,12 @@
 import com.android.launcher3.LauncherAppWidgetProviderInfo;
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.compat.AppWidgetManagerCompat;
-import com.android.launcher3.compat.PackageInstallerCompat;
+import com.android.launcher3.pm.PackageInstallerCompat;
 import com.android.launcher3.tapl.Workspace;
 import com.android.launcher3.ui.AbstractLauncherUiTest;
 import com.android.launcher3.ui.TestViewHelpers;
-import com.android.launcher3.util.ContentWriter;
-import com.android.launcher3.util.PackageUserKey;
 import com.android.launcher3.util.rule.ShellCommandRule;
 import com.android.launcher3.widget.PendingAddWidgetInfo;
-import com.android.launcher3.widget.WidgetHostViewLoader;
 
 import org.junit.After;
 import org.junit.Before;
@@ -57,7 +57,6 @@
 
 import java.util.HashSet;
 import java.util.Set;
-import java.util.function.Consumer;
 
 /**
  * Tests for bind widget flow.
@@ -72,7 +71,6 @@
     public ShellCommandRule mGrantWidgetRule = ShellCommandRule.grantWidgetBind();
 
     private ContentResolver mResolver;
-    private AppWidgetManagerCompat mWidgetManager;
 
     // Objects created during test, which should be cleaned up in the end.
     private Cursor mCursor;
@@ -85,7 +83,6 @@
         super.setUp();
 
         mResolver = mTargetContext.getContentResolver();
-        mWidgetManager = AppWidgetManagerCompat.getInstance(mTargetContext);
 
         // Clear all existing data
         LauncherSettings.Settings.call(mResolver, LauncherSettings.Settings.METHOD_CREATE_EMPTY_DB);
@@ -108,7 +105,7 @@
         LauncherAppWidgetProviderInfo info = TestViewHelpers.findWidgetProvider(this, true);
         LauncherAppWidgetInfo item = createWidgetInfo(info, true);
 
-        setupContents(item);
+        addItemToScreen(item);
         verifyWidgetPresent(info);
     }
 
@@ -117,7 +114,7 @@
         LauncherAppWidgetProviderInfo info = TestViewHelpers.findWidgetProvider(this, false);
         LauncherAppWidgetInfo item = createWidgetInfo(info, true);
 
-        setupContents(item);
+        addItemToScreen(item);
         verifyWidgetPresent(info);
     }
 
@@ -127,7 +124,7 @@
         LauncherAppWidgetInfo item = createWidgetInfo(info, false);
         item.appWidgetId = -33;
 
-        setupContents(item);
+        addItemToScreen(item);
 
         final Workspace workspace = mLauncher.getWorkspace();
         // Item deleted from db
@@ -148,7 +145,7 @@
         LauncherAppWidgetInfo item = createWidgetInfo(info, false);
         item.restoreStatus = LauncherAppWidgetInfo.FLAG_ID_NOT_VALID;
 
-        setupContents(item);
+        addItemToScreen(item);
         verifyWidgetPresent(info);
     }
 
@@ -161,7 +158,7 @@
         LauncherAppWidgetInfo item = createWidgetInfo(info, false);
         item.restoreStatus = LauncherAppWidgetInfo.FLAG_ID_NOT_VALID;
 
-        setupContents(item);
+        addItemToScreen(item);
         verifyPendingWidgetPresent();
 
         // Item deleted from db
@@ -183,7 +180,7 @@
         item.restoreStatus = LauncherAppWidgetInfo.FLAG_ID_NOT_VALID
                 | LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY;
 
-        setupContents(item);
+        addItemToScreen(item);
 
         assertTrue("Pending widget exists",
                 mLauncher.getWorkspace().tryGetPendingWidget(0) == null);
@@ -202,7 +199,7 @@
                 | LauncherAppWidgetInfo.FLAG_RESTORE_STARTED
                 | LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY;
 
-        setupContents(item);
+        addItemToScreen(item);
         verifyPendingWidgetPresent();
 
         // Verify item still exists in db
@@ -230,7 +227,7 @@
         PackageInstaller installer = mTargetContext.getPackageManager().getPackageInstaller();
         mSessionId = installer.createSession(params);
 
-        setupContents(item);
+        addItemToScreen(item);
         verifyPendingWidgetPresent();
 
         // Verify item still exists in db
@@ -245,35 +242,6 @@
                         & LauncherAppWidgetInfo.FLAG_ID_NOT_VALID);
     }
 
-    /**
-     * Adds {@param item} on the homescreen on the 0th screen at 0,0, and verifies that the
-     * widget class is displayed on the homescreen.
-     */
-    private void setupContents(LauncherAppWidgetInfo item) {
-        int screenId = FIRST_SCREEN_ID;
-        // Update the screen id counter for the provider.
-        LauncherSettings.Settings.call(mResolver, LauncherSettings.Settings.METHOD_NEW_SCREEN_ID);
-
-        if (screenId > FIRST_SCREEN_ID) {
-            screenId = FIRST_SCREEN_ID;
-        }
-
-        // Insert the item
-        ContentWriter writer = new ContentWriter(mTargetContext);
-        item.id = LauncherSettings.Settings.call(
-                mResolver, LauncherSettings.Settings.METHOD_NEW_ITEM_ID)
-                .getInt(LauncherSettings.Settings.EXTRA_VALUE);
-        item.screenId = screenId;
-        item.onAddToDatabase(writer);
-        writer.put(LauncherSettings.Favorites._ID, item.id);
-        mResolver.insert(LauncherSettings.Favorites.CONTENT_URI, writer.getValues(mTargetContext));
-        resetLoaderState();
-
-        // Launch the home activity
-        mDevice.pressHome();
-        waitForModelLoaded();
-    }
-
     private void verifyWidgetPresent(LauncherAppWidgetProviderInfo info) {
         assertTrue("Widget is not present",
                 mLauncher.getWorkspace().tryGetWidget(info.label, DEFAULT_UI_TIMEOUT) != null);
@@ -289,8 +257,10 @@
      * @param bindWidget if true the info is bound and a valid widgetId is assigned to
      *                   the LauncherAppWidgetInfo
      */
-    private LauncherAppWidgetInfo createWidgetInfo(
+    public static LauncherAppWidgetInfo createWidgetInfo(
             LauncherAppWidgetProviderInfo info, boolean bindWidget) {
+        Context targetContext = getTargetContext();
+
         LauncherAppWidgetInfo item = new LauncherAppWidgetInfo(
                 LauncherAppWidgetInfo.NO_ID, info.provider);
         item.spanX = info.minSpanX;
@@ -308,11 +278,12 @@
             pendingInfo.spanY = item.spanY;
             pendingInfo.minSpanX = item.minSpanX;
             pendingInfo.minSpanY = item.minSpanY;
-            Bundle options = WidgetHostViewLoader.getDefaultOptionsForWidget(mTargetContext, pendingInfo);
+            Bundle options = getDefaultOptionsForWidget(targetContext, pendingInfo);
 
-            AppWidgetHost host = new LauncherAppWidgetHost(mTargetContext);
+            AppWidgetHost host = new LauncherAppWidgetHost(targetContext);
             int widgetId = host.allocateAppWidgetId();
-            if (!mWidgetManager.bindAppWidgetIdIfAllowed(widgetId, info, options)) {
+            if (!AppWidgetManagerCompat.getInstance(targetContext)
+                    .bindAppWidgetIdIfAllowed(widgetId, info, options)) {
                 host.deleteAppWidgetId(widgetId);
                 throw new IllegalArgumentException("Unable to bind widget id");
             }
@@ -331,7 +302,7 @@
 
         Set<String> activePackage = getOnUiThread(() -> {
             Set<String> packages = new HashSet<>();
-            PackageInstallerCompat.getInstance(mTargetContext).updateAndGetActiveSessionCache()
+            PackageInstallerCompat.getInstance(mTargetContext).getActiveSessions()
                     .keySet().forEach(packageUserKey -> packages.add(packageUserKey.mPackageName));
             return packages;
         });
diff --git a/tests/src/com/android/launcher3/util/rule/LauncherActivityRule.java b/tests/src/com/android/launcher3/util/rule/LauncherActivityRule.java
index 62fe26d..6a6ec3e 100644
--- a/tests/src/com/android/launcher3/util/rule/LauncherActivityRule.java
+++ b/tests/src/com/android/launcher3/util/rule/LauncherActivityRule.java
@@ -16,16 +16,10 @@
 package com.android.launcher3.util.rule;
 
 import android.app.Activity;
-import android.app.Application;
-import android.app.Application.ActivityLifecycleCallbacks;
-import android.os.Bundle;
-
-import androidx.test.InstrumentationRegistry;
 
 import com.android.launcher3.Launcher;
 import com.android.launcher3.Workspace.ItemOperator;
 
-import org.junit.rules.TestRule;
 import org.junit.runner.Description;
 import org.junit.runners.model.Statement;
 
@@ -34,17 +28,23 @@
 /**
  * Test rule to get the current Launcher activity.
  */
-public class LauncherActivityRule implements TestRule {
+public class LauncherActivityRule extends SimpleActivityRule<Launcher> {
 
-    private Launcher mActivity;
+    public LauncherActivityRule() {
+        super(Launcher.class);
+    }
 
     @Override
     public Statement apply(Statement base, Description description) {
-        return new MyStatement(base);
-    }
 
-    public Launcher getActivity() {
-        return mActivity;
+        return new MyStatement(base) {
+            @Override
+            public void onActivityStarted(Activity activity) {
+                if (activity instanceof Launcher) {
+                    ((Launcher) activity).getRotationHelper().forceAllowRotationForTesting(true);
+                }
+            }
+        };
     }
 
     public Callable<Boolean> itemExists(final ItemOperator op) {
@@ -56,62 +56,4 @@
             return launcher.getWorkspace().getFirstMatch(op) != null;
         };
     }
-
-    private class MyStatement extends Statement implements ActivityLifecycleCallbacks {
-
-        private final Statement mBase;
-
-        public MyStatement(Statement base) {
-            mBase = base;
-        }
-
-        @Override
-        public void evaluate() throws Throwable {
-            Application app = (Application)
-                    InstrumentationRegistry.getTargetContext().getApplicationContext();
-            app.registerActivityLifecycleCallbacks(this);
-            try {
-                mBase.evaluate();
-            } finally {
-                app.unregisterActivityLifecycleCallbacks(this);
-            }
-        }
-
-        @Override
-        public void onActivityCreated(Activity activity, Bundle bundle) {
-            if (activity instanceof Launcher) {
-                mActivity = (Launcher) activity;
-            }
-        }
-
-        @Override
-        public void onActivityStarted(Activity activity) {
-            if (activity instanceof Launcher) {
-                mActivity.getRotationHelper().forceAllowRotationForTesting(true);
-            }
-        }
-
-        @Override
-        public void onActivityResumed(Activity activity) {
-        }
-
-        @Override
-        public void onActivityPaused(Activity activity) {
-        }
-
-        @Override
-        public void onActivityStopped(Activity activity) {
-        }
-
-        @Override
-        public void onActivitySaveInstanceState(Activity activity, Bundle bundle) {
-        }
-
-        @Override
-        public void onActivityDestroyed(Activity activity) {
-            if (activity == mActivity) {
-                mActivity = null;
-            }
-        }
-    }
 }
diff --git a/tests/src/com/android/launcher3/util/rule/SimpleActivityRule.java b/tests/src/com/android/launcher3/util/rule/SimpleActivityRule.java
new file mode 100644
index 0000000..33a6cf9
--- /dev/null
+++ b/tests/src/com/android/launcher3/util/rule/SimpleActivityRule.java
@@ -0,0 +1,104 @@
+/*
+ * 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.util.rule;
+
+import android.app.Activity;
+import android.app.Application;
+import android.app.Application.ActivityLifecycleCallbacks;
+import android.os.Bundle;
+
+import androidx.test.InstrumentationRegistry;
+
+import org.junit.rules.TestRule;
+import org.junit.runner.Description;
+import org.junit.runners.model.Statement;
+
+/**
+ * Test rule to get the current activity.
+ */
+public class SimpleActivityRule<T extends Activity> implements TestRule {
+
+    private final Class<T> mClass;
+    private T mActivity;
+
+    public SimpleActivityRule(Class<T> clazz) {
+        mClass = clazz;
+    }
+
+    @Override
+    public Statement apply(Statement base, Description description) {
+        return new MyStatement(base);
+    }
+
+    public T getActivity() {
+        return mActivity;
+    }
+
+    protected class MyStatement extends Statement implements ActivityLifecycleCallbacks {
+
+        private final Statement mBase;
+
+        public MyStatement(Statement base) {
+            mBase = base;
+        }
+
+        @Override
+        public void evaluate() throws Throwable {
+            Application app = (Application)
+                    InstrumentationRegistry.getTargetContext().getApplicationContext();
+            app.registerActivityLifecycleCallbacks(this);
+            try {
+                mBase.evaluate();
+            } finally {
+                app.unregisterActivityLifecycleCallbacks(this);
+            }
+        }
+
+        @Override
+        public void onActivityCreated(Activity activity, Bundle bundle) {
+            if (activity != null && mClass.isInstance(activity)) {
+                mActivity = (T) activity;
+            }
+        }
+
+        @Override
+        public void onActivityStarted(Activity activity) {
+        }
+
+        @Override
+        public void onActivityResumed(Activity activity) {
+        }
+
+        @Override
+        public void onActivityPaused(Activity activity) {
+        }
+
+        @Override
+        public void onActivityStopped(Activity activity) {
+        }
+
+        @Override
+        public void onActivitySaveInstanceState(Activity activity, Bundle bundle) {
+        }
+
+        @Override
+        public void onActivityDestroyed(Activity activity) {
+            if (activity == mActivity) {
+                mActivity = null;
+            }
+        }
+    }
+}
diff --git a/tests/tapl/com/android/launcher3/tapl/AllApps.java b/tests/tapl/com/android/launcher3/tapl/AllApps.java
index 6dced8c..e1e9b8d 100644
--- a/tests/tapl/com/android/launcher3/tapl/AllApps.java
+++ b/tests/tapl/com/android/launcher3/tapl/AllApps.java
@@ -53,8 +53,8 @@
         return LauncherInstrumentation.ContainerType.ALL_APPS;
     }
 
-    private boolean hasClickableIcon(
-            UiObject2 allAppsContainer, UiObject2 appListRecycler, BySelector appIconSelector) {
+    private boolean hasClickableIcon(UiObject2 allAppsContainer, UiObject2 appListRecycler,
+            BySelector appIconSelector, int displayBottom) {
         final UiObject2 icon = appListRecycler.findObject(appIconSelector);
         if (icon == null) {
             LauncherInstrumentation.log("hasClickableIcon: icon not visible");
@@ -66,6 +66,10 @@
             LauncherInstrumentation.log("hasClickableIcon: icon center is under search box");
             return false;
         }
+        if (iconBounds.bottom > displayBottom) {
+            LauncherInstrumentation.log("hasClickableIcon: icon center bellow bottom offset");
+            return false;
+        }
         LauncherInstrumentation.log("hasClickableIcon: icon is clickable");
         return true;
     }
@@ -91,25 +95,31 @@
             final UiObject2 appListRecycler = mLauncher.waitForObjectInContainer(allAppsContainer,
                     "apps_list_view");
             final UiObject2 searchBox = getSearchBox(allAppsContainer);
+
+            int bottomGestureMargin = ResourceUtils.getNavbarSize(
+                    ResourceUtils.NAVBAR_BOTTOM_GESTURE_SIZE, mLauncher.getResources()) + 1;
+            int deviceHeight = mLauncher.getDevice().getDisplayHeight();
+            int displayBottom = deviceHeight - bottomGestureMargin;
             allAppsContainer.setGestureMargins(
                     0,
                     getSearchBox(allAppsContainer).getVisibleBounds().bottom + 1,
                     0,
-                    ResourceUtils.getNavbarSize(ResourceUtils.NAVBAR_BOTTOM_GESTURE_SIZE,
-                            mLauncher.getResources()) + 1);
+                    bottomGestureMargin);
             final BySelector appIconSelector = AppIcon.getAppIconSelector(appName, mLauncher);
-            if (!hasClickableIcon(allAppsContainer, appListRecycler, appIconSelector)) {
+            if (!hasClickableIcon(allAppsContainer, appListRecycler, appIconSelector,
+                    displayBottom)) {
                 scrollBackToBeginning();
                 int attempts = 0;
-                int scroll = getScroll(allAppsContainer);
+                int scroll = getAllAppsScroll();
                 try (LauncherInstrumentation.Closable c1 = mLauncher.addContextLayer("scrolled")) {
-                    while (!hasClickableIcon(allAppsContainer, appListRecycler, appIconSelector)) {
+                    while (!hasClickableIcon(allAppsContainer, appListRecycler, appIconSelector,
+                            displayBottom)) {
                         mLauncher.scrollToLastVisibleRow(
                                 allAppsContainer,
                                 mLauncher.getObjectsInContainer(allAppsContainer, "icon"),
-                                searchBox.getVisibleBounds().bottom -
-                                        allAppsContainer.getVisibleBounds().top);
-                        final int newScroll = getScroll(allAppsContainer);
+                                searchBox.getVisibleBounds().bottom
+                                        - allAppsContainer.getVisibleBounds().top);
+                        final int newScroll = getAllAppsScroll();
                         if (newScroll == scroll) break;
 
                         mLauncher.assertTrue(
@@ -122,8 +132,11 @@
                 verifyActiveContainer();
             }
 
+            // Ignore bottom offset selection here as there might not be any scroll more scroll
+            // region available.
             mLauncher.assertTrue("Unable to scroll to a clickable icon: " + appName,
-                    hasClickableIcon(allAppsContainer, appListRecycler, appIconSelector));
+                    hasClickableIcon(allAppsContainer, appListRecycler, appIconSelector,
+                            deviceHeight));
 
             final UiObject2 appIcon = mLauncher.waitForObjectInContainer(appListRecycler,
                     appIconSelector);
@@ -141,9 +154,9 @@
             int attempts = 0;
             final Rect margins = new Rect(0, searchBox.getVisibleBounds().bottom + 1, 0, 5);
 
-            for (int scroll = getScroll(allAppsContainer);
+            for (int scroll = getAllAppsScroll();
                     scroll != 0;
-                    scroll = getScroll(allAppsContainer)) {
+                    scroll = getAllAppsScroll()) {
                 mLauncher.assertTrue("Negative scroll position", scroll > 0);
 
                 mLauncher.assertTrue(
@@ -159,9 +172,10 @@
         }
     }
 
-    private int getScroll(UiObject2 allAppsContainer) {
-        return mLauncher.getAnswerFromLauncher(allAppsContainer, TestProtocol.GET_SCROLL_MESSAGE).
-                getInt(TestProtocol.SCROLL_Y_FIELD, -1);
+    private int getAllAppsScroll() {
+        return mLauncher.getTestInfo(
+                TestProtocol.REQUEST_APPS_LIST_SCROLL_Y)
+                .getInt(TestProtocol.TEST_INFO_RESPONSE_FIELD);
     }
 
     private UiObject2 getSearchBox(UiObject2 allAppsContainer) {
diff --git a/tests/tapl/com/android/launcher3/tapl/Background.java b/tests/tapl/com/android/launcher3/tapl/Background.java
index bcce8ef..9e66740 100644
--- a/tests/tapl/com/android/launcher3/tapl/Background.java
+++ b/tests/tapl/com/android/launcher3/tapl/Background.java
@@ -104,7 +104,12 @@
                     startY = endY = mLauncher.getDevice().getDisplayHeight() / 2;
                 }
 
-                mLauncher.swipeToState(startX, startY, endX, endY, 10, expectedState);
+                if (mLauncher.isFallbackOverview()) {
+                    mLauncher.linearGesture(startX, startY, endX, endY, 10);
+                    new BaseOverview(mLauncher);
+                } else {
+                    mLauncher.swipeToState(startX, startY, endX, endY, 10, expectedState);
+                }
                 break;
             }
 
diff --git a/tests/tapl/com/android/launcher3/tapl/BaseOverview.java b/tests/tapl/com/android/launcher3/tapl/BaseOverview.java
index 49c0c89..338f714 100644
--- a/tests/tapl/com/android/launcher3/tapl/BaseOverview.java
+++ b/tests/tapl/com/android/launcher3/tapl/BaseOverview.java
@@ -63,10 +63,10 @@
     /**
      * Dismissed all tasks by scrolling to Clear-all button and pressing it.
      */
-    public Workspace dismissAllTasks() {
+    public void dismissAllTasks() {
         try (LauncherInstrumentation.Closable c = mLauncher.addContextLayer(
                 "dismissing all tasks")) {
-            final BySelector clearAllSelector = mLauncher.getLauncherObjectSelector("clear_all");
+            final BySelector clearAllSelector = mLauncher.getOverviewObjectSelector("clear_all");
             for (int i = 0;
                     i < FLINGS_FOR_DISMISS_LIMIT
                             && !verifyActiveContainer().hasObject(clearAllSelector);
@@ -75,10 +75,6 @@
             }
 
             mLauncher.waitForObjectInContainer(verifyActiveContainer(), clearAllSelector).click();
-            try (LauncherInstrumentation.Closable c1 = mLauncher.addContextLayer(
-                    "dismissed all tasks")) {
-                return new Workspace(mLauncher);
-            }
         }
     }
 
@@ -109,7 +105,7 @@
                 "want to get current task")) {
             verifyActiveContainer();
             final List<UiObject2> taskViews = mLauncher.getDevice().findObjects(
-                    mLauncher.getLauncherObjectSelector("snapshot"));
+                    mLauncher.getOverviewObjectSelector("snapshot"));
             mLauncher.assertNotEquals("Unable to find a task", 0, taskViews.size());
 
             // taskViews contains up to 3 task views: the 'main' (having the widest visible
diff --git a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
index 52971d9..a03f8ab 100644
--- a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
+++ b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
@@ -521,15 +521,6 @@
         }
     }
 
-    Bundle getAnswerFromLauncher(UiObject2 view, String requestTag) {
-        // Send a fake set-text request to Launcher to initiate a response with requested data.
-        final String responseTag = requestTag + TestProtocol.RESPONSE_MESSAGE_POSTFIX;
-        return (Bundle) executeAndWaitForEvent(
-                () -> view.setText(requestTag),
-                event -> responseTag.equals(event.getClassName()),
-                "Launcher didn't respond to request: " + requestTag);
-    }
-
     /**
      * Presses nav bar home button.
      *
@@ -734,7 +725,7 @@
 
     @NonNull
     UiObject2 waitForFallbackLauncherObject(String resName) {
-        return waitForObjectBySelector(getFallbackLauncherObjectSelector(resName));
+        return waitForObjectBySelector(getOverviewObjectSelector(resName));
     }
 
     private UiObject2 waitForObjectBySelector(BySelector selector) {
@@ -751,7 +742,7 @@
         return By.res(getLauncherPackageName(), resName);
     }
 
-    BySelector getFallbackLauncherObjectSelector(String resName) {
+    BySelector getOverviewObjectSelector(String resName) {
         return By.res(getOverviewPackageName(), resName);
     }
 
@@ -784,8 +775,8 @@
     }
 
     int getBottomGestureMargin(UiObject2 container) {
-        return container.getVisibleBounds().bottom - getRealDisplaySize().y +
-                getBottomGestureSize();
+        return container.getVisibleBounds().bottom - getRealDisplaySize().y
+                + getBottomGestureSize();
     }
 
     void scrollToLastVisibleRow(UiObject2 container, Collection<UiObject2> items, int topPadding) {
diff --git a/tests/tapl/com/android/launcher3/tapl/Overview.java b/tests/tapl/com/android/launcher3/tapl/Overview.java
index da68da3..4f8aeb1 100644
--- a/tests/tapl/com/android/launcher3/tapl/Overview.java
+++ b/tests/tapl/com/android/launcher3/tapl/Overview.java
@@ -67,4 +67,13 @@
             }
         }
     }
+
+    @Override
+    public void dismissAllTasks() {
+        super.dismissAllTasks();
+        try (LauncherInstrumentation.Closable c1 = mLauncher.addContextLayer(
+                "dismissed all tasks")) {
+            new Workspace(mLauncher);
+        }
+    }
 }
diff --git a/tests/tapl/com/android/launcher3/tapl/TestHelpers.java b/tests/tapl/com/android/launcher3/tapl/TestHelpers.java
index 0c9fda3..e882171 100644
--- a/tests/tapl/com/android/launcher3/tapl/TestHelpers.java
+++ b/tests/tapl/com/android/launcher3/tapl/TestHelpers.java
@@ -77,13 +77,18 @@
         return launchers.get(0).activityInfo;
     }
 
-    public static String getOverviewPackageName() {
+    public static ComponentName getOverviewComponentName() {
         Resources res = Resources.getSystem();
         int id = res.getIdentifier("config_recentsComponentName", "string", "android");
         if (id != 0) {
-            return ComponentName.unflattenFromString(res.getString(id)).getPackageName();
+            return ComponentName.unflattenFromString(res.getString(id));
         }
-        return "com.android.systemui";
+        return new ComponentName("com.android.systemui",
+                "com.android.systemui.recents.RecentsActivity");
+    }
+
+    public static String getOverviewPackageName() {
+        return getOverviewComponentName().getPackageName();
     }
 
     private static String truncateCrash(String text, int maxLines) {
diff --git a/tests/tapl/com/android/launcher3/tapl/Widgets.java b/tests/tapl/com/android/launcher3/tapl/Widgets.java
index 51239c9..0195693 100644
--- a/tests/tapl/com/android/launcher3/tapl/Widgets.java
+++ b/tests/tapl/com/android/launcher3/tapl/Widgets.java
@@ -102,8 +102,8 @@
                         "com.android.launcher3.widget.WidgetCell",
                         widget.getClassName());
 
-                if (widget.getVisibleBounds().bottom <=
-                        displaySize.y - mLauncher.getBottomGestureSize()) {
+                if (widget.getVisibleBounds().bottom
+                        <= displaySize.y - mLauncher.getBottomGestureSize()) {
                     return new Widget(mLauncher, widget);
                 }
             }