diff --git a/Android.bp b/Android.bp
index 8b7eb54..60ef5b1 100644
--- a/Android.bp
+++ b/Android.bp
@@ -204,6 +204,7 @@
     ],
     static_libs: [
         "Launcher3ResLib",
+        "lottie",
         "SystemUISharedLib",
         "SystemUI-statsd",
     ],
diff --git a/build.gradle b/build.gradle
index 617738a..683a4cf 100644
--- a/build.gradle
+++ b/build.gradle
@@ -163,6 +163,8 @@
     androidTestImplementation 'com.android.support.test:rules:1.0.0'
     androidTestImplementation 'com.android.support.test.uiautomator:uiautomator-v18:2.1.2'
     androidTestImplementation "androidx.annotation:annotation:${ANDROID_X_VERSION}"
+
+    api 'com.airbnb.android:lottie:3.3.0'
 }
 
 protobuf {
diff --git a/go/quickstep/src/com/android/quickstep/views/GoOverviewActionsView.java b/go/quickstep/src/com/android/quickstep/views/GoOverviewActionsView.java
index 492611f..d4eca2f 100644
--- a/go/quickstep/src/com/android/quickstep/views/GoOverviewActionsView.java
+++ b/go/quickstep/src/com/android/quickstep/views/GoOverviewActionsView.java
@@ -35,6 +35,7 @@
  */
 public class GoOverviewActionsView extends OverviewActionsView<OverlayUICallbacksGo> {
 
+    @Nullable
     private ArrowTipView mArrowTipView;
 
     public GoOverviewActionsView(Context context) {
diff --git a/quickstep/res/drawable/taskbar_icon_click_feedback_roundrect.xml b/quickstep/res/drawable/taskbar_icon_click_feedback_roundrect.xml
index d6160de..534f241 100644
--- a/quickstep/res/drawable/taskbar_icon_click_feedback_roundrect.xml
+++ b/quickstep/res/drawable/taskbar_icon_click_feedback_roundrect.xml
@@ -16,7 +16,7 @@
   -->
 
 <ripple xmlns:android="http://schemas.android.com/apk/res/android"
-    android:color="@color/taskbar_icon_selection_ripple">
+    android:color="@color/taskbar_nav_icon_selection_ripple">
     <item android:id="@android:id/mask">
         <shape android:shape="rectangle">
             <solid android:color="@android:color/white" />
diff --git a/quickstep/res/layout/activity_allset.xml b/quickstep/res/layout/activity_allset.xml
index b4ee482..9ad10dc 100644
--- a/quickstep/res/layout/activity_allset.xml
+++ b/quickstep/res/layout/activity_allset.xml
@@ -25,82 +25,100 @@
     <androidx.constraintlayout.widget.ConstraintLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:layout_marginStart="@dimen/allset_page_margin_horizontal"
-        android:layout_marginEnd="@dimen/allset_page_margin_horizontal"
-        android:layoutDirection="locale"
-        android:textDirection="locale"
         android:id="@+id/content_view"
-        android:forceHasOverlappingRendering="false"
-        android:fitsSystemWindows="true" >
+        android:fitsSystemWindows="true">
 
-        <ImageView
-            android:id="@+id/icon"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="@dimen/allset_title_icon_margin_top"
-            app:layout_constraintTop_toTopOf="parent"
-            app:layout_constraintStart_toStartOf="parent"
-            android:src="@drawable/ic_all_set"/>
-
-        <TextView
-            android:id="@+id/title"
-            style="@style/TextAppearance.GestureTutorial.Feedback.Title"
+        <com.airbnb.lottie.LottieAnimationView
+            android:id="@+id/animated_background"
             android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="@dimen/allset_title_margin_top"
-            app:layout_constraintTop_toBottomOf="@id/icon"
-            app:layout_constraintStart_toStartOf="parent"
-            android:gravity="start"
-            android:text="@string/allset_title"/>
+            android:layout_height="match_parent"
+            android:gravity="center"
+            android:scaleType="centerCrop"
 
-        <TextView
-            android:id="@+id/subtitle"
-            style="@style/TextAppearance.GestureTutorial.Feedback.Subtitle"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="@dimen/allset_subtitle_margin_top"
-            app:layout_constraintTop_toBottomOf="@id/title"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintWidth_max="@dimen/allset_subtitle_width_max"
-            android:gravity="start"
-            android:text="@string/allset_description"/>
+            app:lottie_rawRes="@raw/all_set_page_bg"
+            app:lottie_autoPlay="true"
+            app:lottie_loop="true" />
 
-        <androidx.constraintlayout.widget.Guideline
-            android:id="@+id/navigation_settings_guideline_bottom"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:orientation="horizontal"
-            app:layout_constraintGuide_percent="0.83" />
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:layout_marginStart="@dimen/allset_page_margin_horizontal"
+            android:layout_marginEnd="@dimen/allset_page_margin_horizontal"
+            android:layoutDirection="locale"
+            android:textDirection="locale"
+            android:forceHasOverlappingRendering="false"
+            android:fitsSystemWindows="true" >
 
-        <TextView
-            android:id="@+id/navigation_settings"
-            style="@style/TextAppearance.GestureTutorial.LinkText"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintBottom_toBottomOf="@id/navigation_settings_guideline_bottom"
-            android:minHeight="48dp"
-            android:background="?android:attr/selectableItemBackground"
-            android:text="@string/allset_navigation_settings" />
+            <ImageView
+                android:id="@+id/icon"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="@dimen/allset_title_icon_margin_top"
+                app:layout_constraintTop_toTopOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                android:src="@drawable/ic_all_set"/>
 
-        <androidx.constraintlayout.widget.Guideline
-            android:id="@+id/hint_guideline_bottom"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:orientation="horizontal"
-            app:layout_constraintGuide_percent="0.94" />
+            <TextView
+                android:id="@+id/title"
+                style="@style/TextAppearance.GestureTutorial.Feedback.Title"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="@dimen/allset_title_margin_top"
+                app:layout_constraintTop_toBottomOf="@id/icon"
+                app:layout_constraintStart_toStartOf="parent"
+                android:gravity="start"
+                android:text="@string/allset_title"/>
 
-        <TextView
-            android:id="@+id/hint"
-            style="@style/TextAppearance.GestureTutorial.Feedback.Subtitle"
-            android:textSize="14sp"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintBottom_toBottomOf="@id/hint_guideline_bottom"
-            android:text="@string/allset_hint"/>
+            <TextView
+                android:id="@+id/subtitle"
+                style="@style/TextAppearance.GestureTutorial.Feedback.Subtitle"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="@dimen/allset_subtitle_margin_top"
+                app:layout_constraintTop_toBottomOf="@id/title"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintWidth_max="@dimen/allset_subtitle_width_max"
+                android:gravity="start"
+                android:text="@string/allset_description"/>
+
+            <androidx.constraintlayout.widget.Guideline
+                android:id="@+id/navigation_settings_guideline_bottom"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:orientation="horizontal"
+                app:layout_constraintGuide_percent="0.83" />
+
+            <TextView
+                android:id="@+id/navigation_settings"
+                style="@style/TextAppearance.GestureTutorial.LinkText"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintBottom_toBottomOf="@id/navigation_settings_guideline_bottom"
+                android:minHeight="48dp"
+                android:background="?android:attr/selectableItemBackground"
+                android:text="@string/allset_navigation_settings" />
+
+            <androidx.constraintlayout.widget.Guideline
+                android:id="@+id/hint_guideline_bottom"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:orientation="horizontal"
+                app:layout_constraintGuide_percent="0.94" />
+
+            <TextView
+                android:id="@+id/hint"
+                style="@style/TextAppearance.GestureTutorial.Feedback.Subtitle"
+                android:textSize="14sp"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintBottom_toBottomOf="@id/hint_guideline_bottom"
+                android:text="@string/allset_hint"/>
+        </androidx.constraintlayout.widget.ConstraintLayout>
+
     </androidx.constraintlayout.widget.ConstraintLayout>
 
 </FrameLayout>
\ No newline at end of file
diff --git a/quickstep/res/layout/taskbar_nav_button.xml b/quickstep/res/layout/taskbar_nav_button.xml
index 4ffb8d8..aea4885 100644
--- a/quickstep/res/layout/taskbar_nav_button.xml
+++ b/quickstep/res/layout/taskbar_nav_button.xml
@@ -15,7 +15,10 @@
 -->
 <ImageView
     xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="@dimen/taskbar_nav_buttons_size"
     android:layout_height="@dimen/taskbar_nav_buttons_size"
     android:background="@drawable/taskbar_icon_click_feedback_roundrect"
-    android:scaleType="center"/>
\ No newline at end of file
+    android:scaleType="center"
+    android:tint="@color/taskbar_nav_icon_light_color"
+    tools:ignore="UseAppTint" />
\ No newline at end of file
diff --git a/quickstep/res/values/colors.xml b/quickstep/res/values/colors.xml
index f237d26..671a617 100644
--- a/quickstep/res/values/colors.xml
+++ b/quickstep/res/values/colors.xml
@@ -25,14 +25,14 @@
 
     <!-- Taskbar -->
     <color name="taskbar_background">@color/overview_scrim_dark</color>
-    <color name="taskbar_icon_selection_ripple">#E0E0E0</color>
-
+    <color name="taskbar_nav_icon_selection_ripple">#E0E0E0</color>
+    <color name="taskbar_nav_icon_light_color">#ffffff</color>
+    <!-- The dark navigation button color is only used in the rare cases that taskbar isn't drawing
+    its background and the underlying app has requested dark buttons. -->
+    <color name="taskbar_nav_icon_dark_color">#99000000</color>
     <color name="taskbar_stashed_handle_light_color">#EBffffff</color>
     <color name="taskbar_stashed_handle_dark_color">#99000000</color>
 
-    <color name="rotation_button_light_color">#FFF</color>
-    <color name="rotation_button_dark_color">#99000000</color>
-
     <!-- Gesture navigation tutorial -->
     <color name="gesture_tutorial_back_arrow_color">#FFFFFFFF</color>
 
diff --git a/quickstep/res/values/dimens.xml b/quickstep/res/values/dimens.xml
index e48c9e8..4e6b7b9 100644
--- a/quickstep/res/values/dimens.xml
+++ b/quickstep/res/values/dimens.xml
@@ -28,6 +28,7 @@
     <dimen name="task_menu_item_corner_radius">4dp</dimen>
     <dimen name="task_menu_spacing">2dp</dimen>
     <dimen name="task_menu_width_grid">234dp</dimen>
+    <dimen name="task_menu_horizontal_padding">8dp</dimen>
     <dimen name="overview_proactive_row_height">48dp</dimen>
     <dimen name="overview_proactive_row_bottom_margin">16dp</dimen>
 
diff --git a/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java b/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
index 6e2d2a9..38e8e72 100644
--- a/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
+++ b/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
@@ -301,7 +301,8 @@
         mActionsView = findViewById(R.id.overview_actions_view);
         RecentsView overviewPanel = (RecentsView) getOverviewPanel();
         SplitSelectStateController controller =
-                new SplitSelectStateController(mHandler, SystemUiProxy.INSTANCE.get(this));
+                new SplitSelectStateController(mHandler, SystemUiProxy.INSTANCE.get(this),
+                        getStateManager(), getDepthController());
         overviewPanel.init(mActionsView, controller);
         mActionsView.setDp(getDeviceProfile());
         mActionsView.updateVerticalMargin(SysUINavigationMode.getMode(this));
diff --git a/quickstep/src/com/android/launcher3/model/AppEventProducer.java b/quickstep/src/com/android/launcher3/model/AppEventProducer.java
index 1305bbc..7c29c5b 100644
--- a/quickstep/src/com/android/launcher3/model/AppEventProducer.java
+++ b/quickstep/src/com/android/launcher3/model/AppEventProducer.java
@@ -271,9 +271,6 @@
             case ALL_APPS_CONTAINER: {
                 return "all-apps";
             }
-            case SEARCH_RESULT_CONTAINER: {
-                return "search-results";
-            }
             case PREDICTED_HOTSEAT_CONTAINER: {
                 return "predictions/hotseat";
             }
@@ -293,6 +290,16 @@
                 }
                 return "folder";
             }
+            case SEARCH_RESULT_CONTAINER:
+                return "search-results";
+            case EXTENDED_CONTAINERS: {
+                switch(ci.getExtendedContainers().getContainerCase()) {
+                    case DEVICE_SEARCH_RESULT_CONTAINER:
+                    case CORRECTED_DEVICE_SEARCH_RESULT_CONTAINER:
+                        return "search-results";
+                }
+            }
+            default: // fall out
         }
         return "";
     }
diff --git a/quickstep/src/com/android/launcher3/model/QuickstepModelDelegate.java b/quickstep/src/com/android/launcher3/model/QuickstepModelDelegate.java
index 7794d27..e82c900 100644
--- a/quickstep/src/com/android/launcher3/model/QuickstepModelDelegate.java
+++ b/quickstep/src/com/android/launcher3/model/QuickstepModelDelegate.java
@@ -329,6 +329,8 @@
         }
         if (state.predictor != null) {
             state.predictor.notifyAppTargetEvent(event);
+            Log.d(TAG, "notifyAppTargetEvent action=" + event.getAction()
+                    + " launchLocation=" + event.getLaunchLocation());
         }
     }
 
diff --git a/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java b/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
index aa31261..1c0c773 100644
--- a/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
@@ -15,18 +15,10 @@
  */
 package com.android.launcher3.taskbar;
 
-import static com.android.launcher3.LauncherState.HOTSEAT_ICONS;
-import static com.android.launcher3.anim.Interpolators.FAST_OUT_SLOW_IN;
-import static com.android.launcher3.taskbar.TaskbarStashController.FLAG_IN_APP;
-import static com.android.launcher3.taskbar.TaskbarStashController.FLAG_IN_STASHED_LAUNCHER_STATE;
-import static com.android.launcher3.taskbar.TaskbarStashController.TASKBAR_STASH_DURATION;
-import static com.android.launcher3.taskbar.TaskbarViewController.ALPHA_INDEX_HOME;
+import static com.android.launcher3.taskbar.TaskbarLauncherStateController.FLAG_RESUMED;
 import static com.android.systemui.shared.system.WindowManagerWrapper.ITYPE_EXTRA_NAVIGATION_BAR;
 
 import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
-import android.animation.AnimatorSet;
-import android.animation.ObjectAnimator;
 import android.annotation.ColorInt;
 import android.graphics.Rect;
 import android.os.RemoteException;
@@ -44,28 +36,17 @@
 import com.android.launcher3.QuickstepTransitionManager;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.anim.AnimatorListeners;
-import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.logging.InstanceId;
 import com.android.launcher3.logging.InstanceIdSequence;
 import com.android.launcher3.model.data.ItemInfoWithIcon;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
-import com.android.launcher3.statemanager.StateManager;
-import com.android.launcher3.util.MultiValueAlpha;
-import com.android.launcher3.util.MultiValueAlpha.AlphaProperty;
 import com.android.launcher3.util.OnboardingPrefs;
 import com.android.quickstep.AnimatedFloat;
 import com.android.quickstep.RecentsAnimationCallbacks;
-import com.android.quickstep.RecentsAnimationCallbacks.RecentsAnimationListener;
-import com.android.quickstep.RecentsAnimationController;
-import com.android.quickstep.views.RecentsView;
-import com.android.systemui.shared.recents.model.ThumbnailData;
 
 import java.util.Arrays;
-import java.util.HashMap;
 import java.util.Set;
-import java.util.function.Supplier;
 import java.util.stream.Stream;
 
 /**
@@ -77,82 +58,15 @@
 
     private final BaseQuickstepLauncher mLauncher;
 
-    private final AnimatedFloat mIconAlignmentForResumedState =
-            new AnimatedFloat(this::onIconAlignmentRatioChanged);
-    private final AnimatedFloat mIconAlignmentForGestureState =
-            new AnimatedFloat(this::onIconAlignmentRatioChanged);
-    private final AnimatedFloat mIconAlignmentForLauncherState =
-            new AnimatedFloat(this::onIconAlignmentRatioChangedForStateTransition);
-
     private final DeviceProfile.OnDeviceProfileChangeListener mOnDeviceProfileChangeListener =
             this::onStashedInAppChanged;
 
-    private final StateManager.StateListener<LauncherState> mStateListener =
-            new StateManager.StateListener<LauncherState>() {
-                private Animator mAnimator;
-
-                @Override
-                public void onStateTransitionStart(LauncherState toState) {
-                    // Stash animation from going to launcher should be already handled in
-                    // createAnimToLauncher.
-                    TaskbarStashController controller = mControllers.taskbarStashController;
-                    long duration = TASKBAR_STASH_DURATION;
-                    controller.updateStateForFlag(FLAG_IN_STASHED_LAUNCHER_STATE,
-                            toState.isTaskbarStashed());
-                    Animator stashAnimator = controller.applyStateWithoutStart(duration);
-                    if (stashAnimator != null) {
-                        if (mAnimator != null) {
-                            mAnimator.cancel();
-                        }
-                        PendingAnimation pendingAnimation = new PendingAnimation(duration);
-                        pendingAnimation.add(stashAnimator);
-                        pendingAnimation.setFloat(mIconAlignmentForLauncherState,
-                                AnimatedFloat.VALUE, toState.isTaskbarStashed() ? 0 : 1,
-                                FAST_OUT_SLOW_IN);
-                        pendingAnimation.addListener(new AnimatorListenerAdapter() {
-                            @Override
-                            public void onAnimationStart(Animator animator) {
-                                mTargetStateOverrideForStateTransition = toState;
-                                // Copy hotseat alpha over to taskbar icons
-                                mIconAlphaForHome.setValue(mLauncher.getHotseat().getIconsAlpha());
-                                mLauncher.getHotseat().setIconsAlpha(0);
-                            }
-
-                            @Override
-                            public void onAnimationEnd(Animator animator) {
-                                if (toState.isTaskbarStashed()) {
-                                    // Reset hotseat alpha to default
-                                    mLauncher.getHotseat().setIconsAlpha(1);
-                                }
-                                mTargetStateOverrideForStateTransition = null;
-                                mAnimator = null;
-                            }
-                        });
-                        mAnimator = pendingAnimation.buildAnim();
-                        mAnimator.start();
-                    }
-                }
-
-                @Override
-                public void onStateTransitionComplete(LauncherState finalState) {
-                    TaskbarStashController controller = mControllers.taskbarStashController;
-                    controller.updateStateForFlag(FLAG_IN_STASHED_LAUNCHER_STATE,
-                            finalState.isTaskbarStashed());
-                    controller.applyState();
-                }
-            };
-
     // Initialized in init.
     private TaskbarControllers mControllers;
-    private AnimatedFloat mTaskbarBackgroundAlpha;
     private AnimatedFloat mTaskbarOverrideBackgroundAlpha;
-    private AlphaProperty mIconAlphaForHome;
-    private boolean mIsAnimatingToLauncherViaResume;
-    private boolean mIsAnimatingToLauncherViaGesture;
     private TaskbarKeyguardController mKeyguardController;
-
-    private LauncherState mTargetStateOverride = null;
-    private LauncherState mTargetStateOverrideForStateTransition = null;
+    private final TaskbarLauncherStateController
+            mTaskbarLauncherStateController = new TaskbarLauncherStateController();
 
     private final DeviceProfile.OnDeviceProfileChangeListener mProfileChangeListener =
             new DeviceProfile.OnDeviceProfileChangeListener() {
@@ -171,37 +85,26 @@
     protected void init(TaskbarControllers taskbarControllers) {
         mControllers = taskbarControllers;
 
-        mTaskbarBackgroundAlpha = mControllers.taskbarDragLayerController
-                .getTaskbarBackgroundAlpha();
+        mTaskbarLauncherStateController.init(mControllers, mLauncher);
         mTaskbarOverrideBackgroundAlpha = mControllers.taskbarDragLayerController
                 .getOverrideBackgroundAlpha();
 
-        MultiValueAlpha taskbarIconAlpha = mControllers.taskbarViewController.getTaskbarIconAlpha();
-        mIconAlphaForHome = taskbarIconAlpha.getProperty(ALPHA_INDEX_HOME);
-
         mLauncher.setTaskbarUIController(this);
         mKeyguardController = taskbarControllers.taskbarKeyguardController;
 
         onLauncherResumedOrPaused(mLauncher.hasBeenResumed(), true /* fromInit */);
-        mIconAlignmentForResumedState.finishAnimation();
-        onIconAlignmentRatioChanged();
 
         onStashedInAppChanged(mLauncher.getDeviceProfile());
         mLauncher.addOnDeviceProfileChangeListener(mOnDeviceProfileChangeListener);
-        mLauncher.getStateManager().addStateListener(mStateListener);
         mLauncher.addOnDeviceProfileChangeListener(mProfileChangeListener);
     }
 
     @Override
     protected void onDestroy() {
         onLauncherResumedOrPaused(false);
-        mIconAlignmentForResumedState.finishAnimation();
-        mIconAlignmentForGestureState.finishAnimation();
-        mIconAlignmentForLauncherState.finishAnimation();
+        mTaskbarLauncherStateController.onDestroy();
 
         mLauncher.removeOnDeviceProfileChangeListener(mOnDeviceProfileChangeListener);
-        mLauncher.getStateManager().removeStateListener(mStateListener);
-        mLauncher.getHotseat().setIconsAlpha(1f);
         mLauncher.setTaskbarUIController(null);
         mLauncher.removeOnDeviceProfileChangeListener(mProfileChangeListener);
         updateTaskTransitionSpec(true);
@@ -209,11 +112,7 @@
 
     @Override
     protected boolean isTaskbarTouchable() {
-        return !isAnimatingToLauncher();
-    }
-
-    private boolean isAnimatingToLauncher() {
-        return mIsAnimatingToLauncherViaResume || mIsAnimatingToLauncherViaGesture;
+        return !mTaskbarLauncherStateController.isAnimatingToLauncher();
     }
 
     @Override
@@ -240,24 +139,9 @@
             }
         }
 
-        long duration = QuickstepTransitionManager.CONTENT_ALPHA_DURATION;
-        if (fromInit) {
-            // Since we are creating the starting state, we don't have a state to animate from, so
-            // set our state immediately.
-            duration = 0;
-        }
-        ObjectAnimator anim = mIconAlignmentForResumedState.animateToValue(
-                getCurrentIconAlignmentRatio(), isResumed ? 1 : 0)
-                .setDuration(duration);
-
-        anim.addListener(AnimatorListeners.forEndCallback(
-                () -> mIsAnimatingToLauncherViaResume = false));
-        anim.start();
-        mIsAnimatingToLauncherViaResume = isResumed;
-
-        TaskbarStashController stashController = mControllers.taskbarStashController;
-        stashController.updateStateForFlag(FLAG_IN_APP, !isResumed);
-        stashController.applyState(duration);
+        mTaskbarLauncherStateController.updateStateForFlag(FLAG_RESUMED, isResumed);
+        mTaskbarLauncherStateController.applyState(
+                fromInit ? 0 : QuickstepTransitionManager.CONTENT_ALPHA_DURATION);
     }
 
     /**
@@ -268,77 +152,7 @@
      */
     public Animator createAnimToLauncher(@NonNull LauncherState toState,
             @NonNull RecentsAnimationCallbacks callbacks, long duration) {
-        AnimatorSet animatorSet = new AnimatorSet();
-        TaskbarStashController stashController = mControllers.taskbarStashController;
-        stashController.updateStateForFlag(FLAG_IN_STASHED_LAUNCHER_STATE,
-                toState.isTaskbarStashed());
-        if (toState.isTaskbarStashed()) {
-            animatorSet.play(stashController.applyStateWithoutStart(duration));
-        } else {
-            animatorSet.play(mIconAlignmentForGestureState
-                    .animateToValue(1)
-                    .setDuration(duration));
-        }
-        animatorSet.addListener(new AnimatorListenerAdapter() {
-            @Override
-            public void onAnimationEnd(Animator animator) {
-                mTargetStateOverride = null;
-                animator.removeListener(this);
-            }
-
-            @Override
-            public void onAnimationStart(Animator animator) {
-                mTargetStateOverride = toState;
-                mIsAnimatingToLauncherViaGesture = true;
-                stashController.updateStateForFlag(FLAG_IN_APP, false);
-                stashController.applyState(duration);
-            }
-        });
-
-        TaskBarRecentsAnimationListener listener = new TaskBarRecentsAnimationListener(callbacks);
-        callbacks.addListener(listener);
-        RecentsView recentsView = mLauncher.getOverviewPanel();
-        recentsView.setTaskLaunchListener(() -> {
-            listener.endGestureStateOverride(true);
-            callbacks.removeListener(listener);
-        });
-
-        return animatorSet;
-    }
-
-    private float getCurrentIconAlignmentRatio() {
-        return Math.max(mIconAlignmentForResumedState.value, mIconAlignmentForGestureState.value);
-    }
-
-    private float getCurrentIconAlignmentRatioForLauncherState() {
-        return mIconAlignmentForLauncherState.value;
-    }
-
-    private void onIconAlignmentRatioChangedForStateTransition() {
-        onIconAlignmentRatioChanged(
-                mTargetStateOverrideForStateTransition != null
-                        ? mTargetStateOverrideForStateTransition
-                        : mLauncher.getStateManager().getState(),
-                this::getCurrentIconAlignmentRatioForLauncherState);
-    }
-
-    private void onIconAlignmentRatioChanged() {
-        onIconAlignmentRatioChanged(mTargetStateOverride != null ? mTargetStateOverride
-                : mLauncher.getStateManager().getState(), this::getCurrentIconAlignmentRatio);
-    }
-
-    private void onIconAlignmentRatioChanged(LauncherState state,
-            Supplier<Float> alignmentSupplier) {
-        if (mControllers == null) {
-            return;
-        }
-        float alignment = alignmentSupplier.get();
-        mControllers.taskbarViewController.setLauncherIconAlignment(
-                alignment, mLauncher.getDeviceProfile());
-
-        mTaskbarBackgroundAlpha.updateValue(1 - alignment);
-
-        setIconAlpha(state, alignment);
+        return mTaskbarLauncherStateController.createAnimToLauncher(toState, callbacks, duration);
     }
 
     /**
@@ -358,20 +172,6 @@
         return mControllers.taskbarActivityContext.getDragLayer();
     }
 
-    private void setIconAlpha(LauncherState state, float progress) {
-        if ((state.getVisibleElements(mLauncher) & HOTSEAT_ICONS) != 0) {
-            // If the hotseat icons are visible, then switch taskbar in last frame
-            setTaskbarViewVisible(progress < 1);
-        } else {
-            mIconAlphaForHome.setValue(1 - progress);
-        }
-    }
-
-    private void setTaskbarViewVisible(boolean isVisible) {
-        mIconAlphaForHome.setValue(isVisible ? 1 : 0);
-        mLauncher.getHotseat().setIconsAlpha(isVisible ? 0f : 1f);
-    }
-
     @Override
     protected void onStashedInAppChanged() {
         onStashedInAppChanged(mLauncher.getDeviceProfile());
@@ -451,35 +251,4 @@
         mLauncher.logAppLaunch(mControllers.taskbarActivityContext.getStatsLogManager(), item,
                 instanceId);
     }
-
-    private final class TaskBarRecentsAnimationListener implements RecentsAnimationListener {
-        private final RecentsAnimationCallbacks mCallbacks;
-
-        TaskBarRecentsAnimationListener(RecentsAnimationCallbacks callbacks) {
-            mCallbacks = callbacks;
-        }
-
-        @Override
-        public void onRecentsAnimationCanceled(HashMap<Integer, ThumbnailData> thumbnailDatas) {
-            endGestureStateOverride(true);
-        }
-
-        @Override
-        public void onRecentsAnimationFinished(RecentsAnimationController controller) {
-            endGestureStateOverride(!controller.getFinishTargetIsLauncher());
-        }
-
-        private void endGestureStateOverride(boolean finishedToApp) {
-            mCallbacks.removeListener(this);
-            mIsAnimatingToLauncherViaGesture = false;
-
-            mIconAlignmentForGestureState
-                    .animateToValue(0)
-                    .start();
-
-            TaskbarStashController controller = mControllers.taskbarStashController;
-            controller.updateStateForFlag(FLAG_IN_APP, finishedToApp);
-            controller.applyState();
-        }
-    }
 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java b/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
index 4b6dacd..0565f7e 100644
--- a/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
@@ -15,11 +15,8 @@
  */
 package com.android.launcher3.taskbar;
 
-import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR_PANEL;
-
 import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_X;
 import static com.android.launcher3.taskbar.TaskbarNavButtonController.BUTTON_A11Y;
-import static com.android.launcher3.taskbar.TaskbarNavButtonController.BUTTON_A11Y_LONG_CLICK;
 import static com.android.launcher3.taskbar.TaskbarNavButtonController.BUTTON_BACK;
 import static com.android.launcher3.taskbar.TaskbarNavButtonController.BUTTON_HOME;
 import static com.android.launcher3.taskbar.TaskbarNavButtonController.BUTTON_IME_SWITCH;
@@ -36,11 +33,11 @@
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_OVERVIEW_DISABLED;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_QUICK_SETTINGS_EXPANDED;
 
+import android.animation.ArgbEvaluator;
 import android.animation.ObjectAnimator;
 import android.annotation.DrawableRes;
 import android.annotation.IdRes;
 import android.annotation.LayoutRes;
-import android.content.Context;
 import android.content.res.ColorStateList;
 import android.graphics.Rect;
 import android.graphics.Region;
@@ -92,9 +89,8 @@
 
     private static final int MASK_IME_SWITCHER_VISIBLE = FLAG_SWITCHER_SUPPORTED | FLAG_IME_VISIBLE;
 
-    private View.OnLongClickListener mA11yLongClickListener;
     private final ArrayList<StatePropertyHolder> mPropertyHolders = new ArrayList<>();
-    private final ArrayList<View> mAllButtons = new ArrayList<>();
+    private final ArrayList<ImageView> mAllButtons = new ArrayList<>();
     private int mState;
 
     private final TaskbarActivityContext mContext;
@@ -103,11 +99,17 @@
     // Used for IME+A11Y buttons
     private final ViewGroup mEndContextualContainer;
     private final ViewGroup mStartContextualContainer;
+    private final int mLightIconColor;
+    private final int mDarkIconColor;
 
     private final AnimatedFloat mTaskbarNavButtonTranslationY = new AnimatedFloat(
             this::updateNavButtonTranslationY);
     private final AnimatedFloat mNavButtonTranslationYMultiplier = new AnimatedFloat(
             this::updateNavButtonTranslationY);
+    private final AnimatedFloat mTaskbarNavButtonDarkIntensity = new AnimatedFloat(
+            this::updateNavButtonDarkIntensity);
+    private final AnimatedFloat mNavButtonDarkIntensityMultiplier = new AnimatedFloat(
+            this::updateNavButtonDarkIntensity);
     private final RotationButtonListener mRotationButtonListener = new RotationButtonListener();
 
     private final Rect mFloatingRotationButtonBounds = new Rect();
@@ -125,6 +127,9 @@
         mNavButtonContainer = mNavButtonsView.findViewById(R.id.end_nav_buttons);
         mEndContextualContainer = mNavButtonsView.findViewById(R.id.end_contextual_buttons);
         mStartContextualContainer = mNavButtonsView.findViewById(R.id.start_contextual_buttons);
+
+        mLightIconColor = context.getColor(R.color.taskbar_nav_icon_light_color);
+        mDarkIconColor = context.getColor(R.color.taskbar_nav_icon_dark_color);
     }
 
     /**
@@ -135,11 +140,6 @@
         mNavButtonsView.getLayoutParams().height = mContext.getDeviceProfile().taskbarSize;
         mNavButtonTranslationYMultiplier.value = 1;
 
-        mA11yLongClickListener = view -> {
-            mControllers.navButtonController.onButtonClick(BUTTON_A11Y_LONG_CLICK);
-            return true;
-        };
-
         mPropertyHolders.add(new StatePropertyHolder(
                 mControllers.taskbarViewController.getTaskbarIconAlpha()
                         .getProperty(ALPHA_INDEX_IME),
@@ -278,7 +278,6 @@
         mPropertyHolders.add(new StatePropertyHolder(mA11yButton,
                 flags -> (flags & FLAG_A11Y_VISIBLE) != 0
                         && (flags & FLAG_ROTATION_BUTTON_VISIBLE) == 0));
-        mA11yButton.setOnLongClickListener(mA11yLongClickListener);
     }
 
     private void parseSystemUiFlags(int sysUiStateFlags) {
@@ -379,6 +378,16 @@
         return mTaskbarNavButtonTranslationY;
     }
 
+    /** Use to set the dark intensity for the all nav+contextual buttons */
+    public AnimatedFloat getTaskbarNavButtonDarkIntensity() {
+        return mTaskbarNavButtonDarkIntensity;
+    }
+
+    /** Use to determine whether to use the dark intensity requested by the underlying app */
+    public AnimatedFloat getNavButtonDarkIntensityMultiplier() {
+        return mNavButtonDarkIntensityMultiplier;
+    }
+
     /**
      * Does not call {@link #applyState()}. Don't forget to!
      */
@@ -402,6 +411,16 @@
                 * mNavButtonTranslationYMultiplier.value);
     }
 
+    private void updateNavButtonDarkIntensity() {
+        float darkIntensity = mTaskbarNavButtonDarkIntensity.value
+                * mNavButtonDarkIntensityMultiplier.value;
+        int iconColor = (int) ArgbEvaluator.getInstance().evaluate(darkIntensity, mLightIconColor,
+                mDarkIconColor);
+        for (ImageView button : mAllButtons) {
+            button.setImageTintList(ColorStateList.valueOf(iconColor));
+        }
+    }
+
     private ImageView addButton(@DrawableRes int drawableId, @TaskbarButton int buttonType,
             ViewGroup parent, TaskbarNavButtonController navButtonController, @IdRes int id) {
         return addButton(drawableId, buttonType, parent, navButtonController, id,
@@ -414,6 +433,8 @@
         ImageView buttonView = addButton(parent, id, layoutId);
         buttonView.setImageResource(drawableId);
         buttonView.setOnClickListener(view -> navButtonController.onButtonClick(buttonType));
+        buttonView.setOnLongClickListener(view ->
+                navButtonController.onButtonLongClick(buttonType));
         return buttonView;
     }
 
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
index 9bf382e..2e1e5bb 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
@@ -150,8 +150,8 @@
                 buttonController,
                 new NavbarButtonsViewController(this, navButtonsView),
                 new RotationButtonController(this,
-                        c.getColor(R.color.rotation_button_light_color),
-                        c.getColor(R.color.rotation_button_dark_color),
+                        c.getColor(R.color.taskbar_nav_icon_light_color),
+                        c.getColor(R.color.taskbar_nav_icon_dark_color),
                         R.drawable.ic_sysbar_rotate_button_ccw_start_0,
                         R.drawable.ic_sysbar_rotate_button_ccw_start_90,
                         R.drawable.ic_sysbar_rotate_button_cw_start_0,
@@ -391,6 +391,11 @@
         mControllers.rotationButtonController.onBehaviorChanged(displayId, behavior);
     }
 
+    public void onNavButtonsDarkIntensityChanged(float darkIntensity) {
+        mControllers.navbarButtonsViewController.getTaskbarNavButtonDarkIntensity()
+                .updateValue(darkIntensity);
+    }
+
     /**
      * Updates the TaskbarContainer to MATCH_PARENT vs original Taskbar size.
      */
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java
index 8c6185c..248c40d 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java
@@ -52,6 +52,9 @@
 
     // Initialized in init.
     private TaskbarControllers mControllers;
+    private AnimatedFloat mNavButtonDarkIntensityMultiplier;
+
+    private float mLastSetBackgroundAlpha;
 
     public TaskbarDragLayerController(TaskbarActivityContext activity,
             TaskbarDragLayer taskbarDragLayer) {
@@ -65,6 +68,9 @@
         mControllers = controllers;
         mTaskbarDragLayer.init(new TaskbarDragLayerCallbacks());
 
+        mNavButtonDarkIntensityMultiplier = mControllers.navbarButtonsViewController
+                .getNavButtonDarkIntensityMultiplier();
+
         mBgTaskbar.value = 1;
         mKeyguardBgTaskbar.value = 1;
         mNotificationShadeBgTaskbar.value = 1;
@@ -114,13 +120,22 @@
         final float bgNavbar = mBgNavbar.value;
         final float bgTaskbar = mBgTaskbar.value * mKeyguardBgTaskbar.value
                 * mNotificationShadeBgTaskbar.value;
-        mTaskbarDragLayer.setTaskbarBackgroundAlpha(
-                mBgOverride.value * Math.max(bgNavbar, bgTaskbar)
-        );
+        mLastSetBackgroundAlpha = mBgOverride.value * Math.max(bgNavbar, bgTaskbar);
+        mTaskbarDragLayer.setTaskbarBackgroundAlpha(mLastSetBackgroundAlpha);
+
+        updateNavBarDarkIntensityMultiplier();
     }
 
     private void updateBackgroundOffset() {
         mTaskbarDragLayer.setTaskbarBackgroundOffset(mBgOffset.value);
+
+        updateNavBarDarkIntensityMultiplier();
+    }
+
+    private void updateNavBarDarkIntensityMultiplier() {
+        // Zero out the app-requested dark intensity when we're drawing our own background.
+        float effectiveBgAlpha = mLastSetBackgroundAlpha * (1 - mBgOffset.value);
+        mNavButtonDarkIntensityMultiplier.updateValue(1 - effectiveBgAlpha);
     }
 
     /**
@@ -143,8 +158,7 @@
                 // Let touches pass through us.
                 insetsInfo.setTouchableInsets(TOUCHABLE_INSETS_REGION);
             } else if (mControllers.navbarButtonsViewController.isImeVisible()) {
-                insetsInfo.setTouchableInsets(TOUCHABLE_INSETS_CONTENT);
-                insetsIsTouchableRegion = false;
+                insetsInfo.setTouchableInsets(TOUCHABLE_INSETS_REGION);
             } else if (!mControllers.uiController.isTaskbarTouchable()) {
                 // Let touches pass through us.
                 insetsInfo.setTouchableInsets(TOUCHABLE_INSETS_REGION);
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarLauncherStateController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarLauncherStateController.java
new file mode 100644
index 0000000..152b255
--- /dev/null
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarLauncherStateController.java
@@ -0,0 +1,396 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3.taskbar;
+
+import static com.android.launcher3.LauncherState.HOTSEAT_ICONS;
+import static com.android.launcher3.taskbar.TaskbarStashController.FLAG_IN_APP;
+import static com.android.launcher3.taskbar.TaskbarStashController.FLAG_IN_STASHED_LAUNCHER_STATE;
+import static com.android.launcher3.taskbar.TaskbarStashController.TASKBAR_STASH_DURATION;
+import static com.android.launcher3.taskbar.TaskbarViewController.ALPHA_INDEX_HOME;
+
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
+import android.animation.AnimatorSet;
+import android.animation.ObjectAnimator;
+
+import androidx.annotation.NonNull;
+
+import com.android.launcher3.BaseQuickstepLauncher;
+import com.android.launcher3.LauncherState;
+import com.android.launcher3.statemanager.StateManager;
+import com.android.launcher3.util.MultiValueAlpha;
+import com.android.quickstep.AnimatedFloat;
+import com.android.quickstep.RecentsAnimationCallbacks;
+import com.android.quickstep.RecentsAnimationController;
+import com.android.quickstep.views.RecentsView;
+import com.android.systemui.shared.recents.model.ThumbnailData;
+
+import java.util.HashMap;
+import java.util.function.Consumer;
+import java.util.function.Supplier;
+
+/**
+ * Track LauncherState, RecentsAnimation, resumed state for task bar in one place here and animate
+ * the task bar accordingly.
+ */
+ public class TaskbarLauncherStateController {
+
+    public static final int FLAG_RESUMED = 1 << 0;
+    public static final int FLAG_RECENTS_ANIMATION_RUNNING = 1 << 1;
+    public static final int FLAG_TRANSITION_STATE_START_STASHED = 1 << 2;
+    public static final int FLAG_TRANSITION_STATE_COMMITTED_STASHED = 1 << 3;
+
+    private final AnimatedFloat mIconAlignmentForResumedState =
+            new AnimatedFloat(this::onIconAlignmentRatioChanged);
+    private final AnimatedFloat mIconAlignmentForGestureState =
+            new AnimatedFloat(this::onIconAlignmentRatioChanged);
+    private final AnimatedFloat mIconAlignmentForLauncherState =
+            new AnimatedFloat(this::onIconAlignmentRatioChangedForStateTransition);
+
+    private TaskbarControllers mControllers;
+    private AnimatedFloat mTaskbarBackgroundAlpha;
+    private MultiValueAlpha.AlphaProperty mIconAlphaForHome;
+    private BaseQuickstepLauncher mLauncher;
+
+    private int mPrevState;
+    private int mState;
+
+    private LauncherState mTargetStateOverride = null;
+    private LauncherState mTargetStateOverrideForStateTransition = null;
+
+    private boolean mIsAnimatingToLauncherViaGesture;
+    private boolean mIsAnimatingToLauncherViaResume;
+
+    private final StateManager.StateListener<LauncherState> mStateListener =
+            new StateManager.StateListener<LauncherState>() {
+
+                @Override
+                public void onStateTransitionStart(LauncherState toState) {
+                    mTargetStateOverrideForStateTransition = toState;
+                    updateStateForFlag(FLAG_TRANSITION_STATE_START_STASHED,
+                            toState.isTaskbarStashed());
+                    applyState();
+                }
+
+                @Override
+                public void onStateTransitionComplete(LauncherState finalState) {
+                    updateStateForFlag(FLAG_TRANSITION_STATE_COMMITTED_STASHED,
+                            finalState.isTaskbarStashed());
+                    applyState();
+                }
+            };
+
+    public void init(TaskbarControllers controllers, BaseQuickstepLauncher launcher) {
+        mControllers = controllers;
+        mLauncher = launcher;
+
+        mTaskbarBackgroundAlpha = mControllers.taskbarDragLayerController
+                .getTaskbarBackgroundAlpha();
+        MultiValueAlpha taskbarIconAlpha = mControllers.taskbarViewController.getTaskbarIconAlpha();
+        mIconAlphaForHome = taskbarIconAlpha.getProperty(ALPHA_INDEX_HOME);
+        mIconAlphaForHome.setConsumer(
+                (Consumer<Float>) alpha -> mLauncher.getHotseat().setIconsAlpha(alpha > 0 ? 0 : 1));
+
+        mIconAlignmentForResumedState.finishAnimation();
+        onIconAlignmentRatioChanged();
+
+        mLauncher.getStateManager().addStateListener(mStateListener);
+    }
+
+    public void onDestroy() {
+        mIconAlignmentForResumedState.finishAnimation();
+        mIconAlignmentForGestureState.finishAnimation();
+        mIconAlignmentForLauncherState.finishAnimation();
+
+        mIconAlphaForHome.setConsumer(null);
+        mLauncher.getHotseat().setIconsAlpha(1f);
+        mLauncher.getStateManager().removeStateListener(mStateListener);
+    }
+
+    public Animator createAnimToLauncher(@NonNull LauncherState toState,
+            @NonNull RecentsAnimationCallbacks callbacks, long duration) {
+        // If going to overview, stash the task bar
+        // If going home, align the icons to hotseat
+        AnimatorSet animatorSet = new AnimatorSet();
+
+        TaskbarStashController stashController = mControllers.taskbarStashController;
+        stashController.updateStateForFlag(FLAG_IN_STASHED_LAUNCHER_STATE,
+                toState.isTaskbarStashed());
+        stashController.updateStateForFlag(FLAG_IN_APP, false);
+
+        updateStateForFlag(FLAG_RECENTS_ANIMATION_RUNNING, true);
+        animatorSet.play(stashController.applyStateWithoutStart(duration));
+        animatorSet.play(applyState(duration, false));
+        animatorSet.addListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationEnd(Animator animator) {
+                mTargetStateOverride = null;
+                animator.removeListener(this);
+            }
+
+            @Override
+            public void onAnimationStart(Animator animator) {
+                mTargetStateOverride = toState;
+            }
+        });
+
+        TaskBarRecentsAnimationListener listener = new TaskBarRecentsAnimationListener(callbacks);
+        callbacks.addListener(listener);
+        RecentsView recentsView = mLauncher.getOverviewPanel();
+        recentsView.setTaskLaunchListener(() -> {
+            listener.endGestureStateOverride(true);
+            callbacks.removeListener(listener);
+        });
+        return animatorSet;
+    }
+
+    public boolean isAnimatingToLauncher() {
+        return mIsAnimatingToLauncherViaResume || mIsAnimatingToLauncherViaGesture;
+    }
+
+    /**
+     * Updates the proper flag to change the state of the task bar.
+     *
+     * Note that this only updates the flag. {@link #applyState()} needs to be called separately.
+     *
+     * @param flag The flag to update.
+     * @param enabled Whether to enable the flag
+     */
+    public void updateStateForFlag(int flag, boolean enabled) {
+        if (enabled) {
+            mState |= flag;
+        } else {
+            mState &= ~flag;
+        }
+    }
+
+    private boolean hasAnyFlag(int flagMask) {
+        return hasAnyFlag(mState, flagMask);
+    }
+
+    private boolean hasAnyFlag(int flags, int flagMask) {
+        return (flags & flagMask) != 0;
+    }
+
+    public void applyState() {
+        applyState(TASKBAR_STASH_DURATION);
+    }
+
+    public void applyState(long duration) {
+        applyState(duration, true);
+    }
+
+    public Animator applyState(boolean start) {
+        return applyState(TASKBAR_STASH_DURATION, start);
+    }
+
+    public Animator applyState(long duration, boolean start) {
+        Animator animator = null;
+        if (mPrevState != mState) {
+            int changedFlags = mPrevState ^ mState;
+            animator = onStateChangeApplied(changedFlags, duration, start);
+            mPrevState = mState;
+        }
+        return animator;
+    }
+
+    private Animator onStateChangeApplied(int changedFlags, long duration, boolean start) {
+        AnimatorSet animatorSet = new AnimatorSet();
+        if (hasAnyFlag(changedFlags, FLAG_RESUMED)) {
+            boolean isResumed = isResumed();
+            ObjectAnimator anim = mIconAlignmentForResumedState
+                    .animateToValue(getCurrentIconAlignmentRatio(), isResumed ? 1 : 0)
+                    .setDuration(duration);
+
+            anim.addListener(new AnimatorListenerAdapter() {
+                @Override
+                public void onAnimationEnd(Animator animation) {
+                    mIsAnimatingToLauncherViaResume = false;
+                }
+
+                @Override
+                public void onAnimationStart(Animator animation) {
+                    mIsAnimatingToLauncherViaResume = isResumed;
+
+                    TaskbarStashController stashController = mControllers.taskbarStashController;
+                    stashController.updateStateForFlag(FLAG_IN_APP, !isResumed);
+                    stashController.applyState(duration);
+                }
+            });
+            animatorSet.play(anim);
+        }
+
+        if (hasAnyFlag(changedFlags, FLAG_RECENTS_ANIMATION_RUNNING)) {
+            boolean isRecentsAnimationRunning = isRecentsAnimationRunning();
+            Animator animator = mIconAlignmentForGestureState
+                    .animateToValue(isRecentsAnimationRunning ? 1 : 0);
+            if (isRecentsAnimationRunning) {
+                animator.setDuration(duration);
+            }
+            animator.addListener(new AnimatorListenerAdapter() {
+                @Override
+                public void onAnimationEnd(Animator animation) {
+                    mIsAnimatingToLauncherViaGesture = false;
+                }
+
+                @Override
+                public void onAnimationStart(Animator animation) {
+                    mIsAnimatingToLauncherViaGesture = isRecentsAnimationRunning();
+                }
+            });
+            animatorSet.play(animator);
+        }
+
+        if (hasAnyFlag(changedFlags, FLAG_TRANSITION_STATE_START_STASHED)) {
+            playStateTransitionAnim(isTransitionStateStartStashed(), animatorSet, duration,
+                    false /* committed */);
+        }
+
+        if (hasAnyFlag(changedFlags, FLAG_TRANSITION_STATE_COMMITTED_STASHED)) {
+            playStateTransitionAnim(isTransitionStateCommittedStashed(), animatorSet, duration,
+                    true /* committed */);
+        }
+
+        if (start) {
+            animatorSet.start();
+        }
+        return animatorSet;
+    }
+
+    private void playStateTransitionAnim(boolean isTransitionStateStashed,
+            AnimatorSet animatorSet, long duration, boolean committed) {
+        TaskbarStashController controller = mControllers.taskbarStashController;
+        controller.updateStateForFlag(FLAG_IN_STASHED_LAUNCHER_STATE,
+                isTransitionStateStashed);
+        Animator stashAnimator = controller.applyStateWithoutStart(duration);
+        if (stashAnimator != null) {
+            stashAnimator.addListener(new AnimatorListenerAdapter() {
+                @Override
+                public void onAnimationEnd(Animator animation) {
+                    if (isTransitionStateStashed && committed) {
+                        // Reset hotseat alpha to default
+                        mLauncher.getHotseat().setIconsAlpha(1);
+                    }
+                    mTargetStateOverrideForStateTransition = null;
+                }
+
+                @Override
+                public void onAnimationStart(Animator animation) {
+                    mIconAlphaForHome.setValue(mLauncher.getHotseat().getIconsAlpha());
+                }
+            });
+            animatorSet.play(stashAnimator);
+            animatorSet.play(mIconAlignmentForLauncherState.animateToValue(
+                    getCurrentIconAlignmentRatioForLauncherState(),
+                    isTransitionStateStashed ? 0 : 1));
+        } else {
+            mTargetStateOverrideForStateTransition = null;
+        }
+    }
+
+    private boolean isResumed() {
+        return (mState & FLAG_RESUMED) != 0;
+    }
+
+    private boolean isRecentsAnimationRunning() {
+        return (mState & FLAG_RECENTS_ANIMATION_RUNNING) != 0;
+    }
+
+    private boolean isTransitionStateStartStashed() {
+        return (mState & FLAG_TRANSITION_STATE_START_STASHED) != 0;
+    }
+
+    private boolean isTransitionStateCommittedStashed() {
+        return (mState & FLAG_TRANSITION_STATE_COMMITTED_STASHED) != 0;
+    }
+
+    private void onIconAlignmentRatioChangedForStateTransition() {
+        onIconAlignmentRatioChanged(
+                mTargetStateOverrideForStateTransition != null
+                        ? mTargetStateOverrideForStateTransition
+                        : mLauncher.getStateManager().getState(),
+                this::getCurrentIconAlignmentRatioForLauncherState);
+    }
+
+    private void onIconAlignmentRatioChanged() {
+        onIconAlignmentRatioChanged(mTargetStateOverride != null ? mTargetStateOverride
+                : mLauncher.getStateManager().getState(), this::getCurrentIconAlignmentRatio);
+    }
+
+    private void onIconAlignmentRatioChanged(LauncherState state,
+            Supplier<Float> alignmentSupplier) {
+        if (mControllers == null) {
+            return;
+        }
+        float alignment = alignmentSupplier.get();
+        mControllers.taskbarViewController.setLauncherIconAlignment(
+                alignment, mLauncher.getDeviceProfile());
+
+        mTaskbarBackgroundAlpha.updateValue(1 - alignment);
+
+        setIconAlpha(state, alignment);
+    }
+
+    private float getCurrentIconAlignmentRatio() {
+        return Math.max(mIconAlignmentForResumedState.value, mIconAlignmentForGestureState.value);
+    }
+
+    private float getCurrentIconAlignmentRatioForLauncherState() {
+        return mIconAlignmentForLauncherState.value;
+    }
+
+    private void setIconAlpha(LauncherState state, float progress) {
+        if ((state.getVisibleElements(mLauncher) & HOTSEAT_ICONS) != 0) {
+            // If the hotseat icons are visible, then switch taskbar in last frame
+            setTaskbarViewVisible(progress < 1);
+        } else {
+            mIconAlphaForHome.setValue(1 - progress);
+        }
+    }
+
+    private void setTaskbarViewVisible(boolean isVisible) {
+        mIconAlphaForHome.setValue(isVisible ? 1 : 0);
+    }
+
+    private final class TaskBarRecentsAnimationListener implements
+            RecentsAnimationCallbacks.RecentsAnimationListener {
+        private final RecentsAnimationCallbacks mCallbacks;
+
+        TaskBarRecentsAnimationListener(RecentsAnimationCallbacks callbacks) {
+            mCallbacks = callbacks;
+        }
+
+        @Override
+        public void onRecentsAnimationCanceled(HashMap<Integer, ThumbnailData> thumbnailDatas) {
+            endGestureStateOverride(true);
+        }
+
+        @Override
+        public void onRecentsAnimationFinished(RecentsAnimationController controller) {
+            endGestureStateOverride(!controller.getFinishTargetIsLauncher());
+        }
+
+        private void endGestureStateOverride(boolean finishedToApp) {
+            mCallbacks.removeListener(this);
+            updateStateForFlag(FLAG_RECENTS_ANIMATION_RUNNING, false);
+            applyState();
+
+            TaskbarStashController controller = mControllers.taskbarStashController;
+            controller.updateStateForFlag(FLAG_IN_APP, finishedToApp);
+            controller.applyState();
+        }
+    }
+}
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
index 57a140c..a65cc56 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
@@ -41,7 +41,6 @@
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.statemanager.StatefulActivity;
-import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.util.DisplayController;
 import com.android.launcher3.util.DisplayController.Info;
 import com.android.launcher3.util.SettingsCache;
@@ -265,6 +264,12 @@
         }
     }
 
+    public void onNavButtonsDarkIntensityChanged(float darkIntensity) {
+        if (mTaskbarActivityContext != null) {
+            mTaskbarActivityContext.onNavButtonsDarkIntensityChanged(darkIntensity);
+        }
+    }
+
     /**
      * Called when the manager is no longer needed
      */
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarNavButtonController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarNavButtonController.java
index a8a0b59..ae23eda 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarNavButtonController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarNavButtonController.java
@@ -16,9 +16,11 @@
 
 package com.android.launcher3.taskbar;
 
-import static android.view.Display.DEFAULT_DISPLAY;
 
-import android.view.inputmethod.InputMethodManager;
+import static com.android.internal.app.AssistUtils.INVOCATION_TYPE_HOME_BUTTON_LONG_PRESS;
+import static com.android.internal.app.AssistUtils.INVOCATION_TYPE_KEY;
+
+import android.os.Bundle;
 
 import androidx.annotation.IntDef;
 
@@ -35,11 +37,9 @@
  * Controller for 3 button mode in the taskbar.
  * Handles all the functionality of the various buttons, making/routing the right calls into
  * launcher or sysui/system.
- *
- * TODO: Create callbacks to hook into UI layer since state will change for more context buttons/
- *       assistant invocation.
  */
 public class TaskbarNavButtonController {
+
     @Retention(RetentionPolicy.SOURCE)
     @IntDef(value = {
             BUTTON_BACK,
@@ -47,7 +47,6 @@
             BUTTON_RECENTS,
             BUTTON_IME_SWITCH,
             BUTTON_A11Y,
-            BUTTON_A11Y_LONG_CLICK
     })
 
     public @interface TaskbarButton {}
@@ -57,7 +56,6 @@
     static final int BUTTON_RECENTS = BUTTON_HOME << 1;
     static final int BUTTON_IME_SWITCH = BUTTON_RECENTS << 1;
     static final int BUTTON_A11Y = BUTTON_IME_SWITCH << 1;
-    static final int BUTTON_A11Y_LONG_CLICK = BUTTON_A11Y << 1;
 
     private final TouchInteractionService mService;
 
@@ -82,9 +80,22 @@
             case BUTTON_A11Y:
                 notifyImeClick(false /* longClick */);
                 break;
-            case BUTTON_A11Y_LONG_CLICK:
+        }
+    }
+
+    public boolean onButtonLongClick(@TaskbarButton int buttonType) {
+        switch (buttonType) {
+            case BUTTON_HOME:
+                startAssistant();
+                return true;
+            case BUTTON_A11Y:
                 notifyImeClick(true /* longClick */);
-                break;
+                return true;
+            case BUTTON_BACK:
+            case BUTTON_IME_SWITCH:
+            case BUTTON_RECENTS:
+            default:
+                return false;
         }
     }
 
@@ -113,4 +124,11 @@
             systemUiProxy.notifyAccessibilityButtonClicked(mService.getDisplayId());
         }
     }
+
+    private void startAssistant() {
+        Bundle args = new Bundle();
+        args.putInt(INVOCATION_TYPE_KEY, INVOCATION_TYPE_HOME_BUTTON_LONG_PRESS);
+        SystemUiProxy systemUiProxy = SystemUiProxy.INSTANCE.getNoCreate();
+        systemUiProxy.startAssistant(args);
+    }
 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
index acb4aa8..60842c8 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
@@ -282,6 +282,12 @@
             // Just hide/show the icons instead of stashing into a handle.
             mAnimator.play(mIconAlphaForStash.animateToValue(isStashed ? 0 : 1)
                     .setDuration(duration));
+            mAnimator.addListener(new AnimatorListenerAdapter() {
+                @Override
+                public void onAnimationEnd(Animator animation) {
+                    mAnimator = null;
+                }
+            });
             return;
         }
 
diff --git a/quickstep/src/com/android/quickstep/BaseActivityInterface.java b/quickstep/src/com/android/quickstep/BaseActivityInterface.java
index f9b749e..e15aa92 100644
--- a/quickstep/src/com/android/quickstep/BaseActivityInterface.java
+++ b/quickstep/src/com/android/quickstep/BaseActivityInterface.java
@@ -322,11 +322,11 @@
     public final void calculateGridTaskSize(Context context, DeviceProfile dp, Rect outRect,
             PagedOrientationHandler orientedState) {
         Resources res = context.getResources();
-        Rect gridRect = new Rect();
-        calculateGridSize(context, dp, gridRect);
+        Rect taskRect = new Rect();
+        calculateTaskSize(context, dp, taskRect);
 
         float rowHeight =
-                (gridRect.height() + dp.overviewTaskThumbnailTopMarginPx - dp.overviewRowSpacing)
+                (taskRect.height() + dp.overviewTaskThumbnailTopMarginPx - dp.overviewRowSpacing)
                         / 2f;
 
         PointF taskDimension = getTaskDimension(context, dp);
@@ -336,7 +336,7 @@
 
         int gravity = Gravity.TOP;
         gravity |= orientedState.getRecentsRtlSetting(res) ? Gravity.RIGHT : Gravity.LEFT;
-        Gravity.apply(gravity, outWidth, outHeight, gridRect, outRect);
+        Gravity.apply(gravity, outWidth, outHeight, taskRect, outRect);
     }
 
     /**
diff --git a/quickstep/src/com/android/quickstep/KtR.java b/quickstep/src/com/android/quickstep/KtR.java
index 57dad08..a768ef5 100644
--- a/quickstep/src/com/android/quickstep/KtR.java
+++ b/quickstep/src/com/android/quickstep/KtR.java
@@ -30,6 +30,7 @@
 
     public static final class dimen {
         public static int task_menu_spacing = R.dimen.task_menu_spacing;
+        public static int task_menu_horizontal_padding = R.dimen.task_menu_horizontal_padding;
     }
 
     public static final class layout {
diff --git a/quickstep/src/com/android/quickstep/OverviewCommandHelper.java b/quickstep/src/com/android/quickstep/OverviewCommandHelper.java
index 26d935d..75e8dd1 100644
--- a/quickstep/src/com/android/quickstep/OverviewCommandHelper.java
+++ b/quickstep/src/com/android/quickstep/OverviewCommandHelper.java
@@ -117,11 +117,12 @@
         mPendingCommands.clear();
     }
 
+    @Nullable
     private TaskView getNextTask(RecentsView view) {
         final TaskView runningTaskView = view.getRunningTaskView();
 
         if (runningTaskView == null) {
-            return view.getTaskViewCount() > 0 ? view.getTaskViewAt(0) : null;
+            return view.getTaskViewAt(0);
         } else {
             final TaskView nextTask = view.getNextTaskView();
             return nextTask != null ? nextTask : runningTaskView;
@@ -256,8 +257,8 @@
                 // Ensure that recents view has focus so that it receives the followup key inputs
                 TaskView taskView = rv.getNextTaskView();
                 if (taskView == null) {
-                    if (rv.getTaskViewCount() > 0) {
-                        taskView = rv.getTaskViewAt(0);
+                    taskView = rv.getTaskViewAt(0);
+                    if (taskView != null) {
                         taskView.requestFocus();
                     } else {
                         rv.requestFocus();
diff --git a/quickstep/src/com/android/quickstep/RecentTasksList.java b/quickstep/src/com/android/quickstep/RecentTasksList.java
index c5f4a53..097850f 100644
--- a/quickstep/src/com/android/quickstep/RecentTasksList.java
+++ b/quickstep/src/com/android/quickstep/RecentTasksList.java
@@ -36,6 +36,7 @@
 import com.android.wm.shell.util.GroupedRecentTaskInfo;
 import com.android.wm.shell.util.StagedSplitBounds;
 
+import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.function.Consumer;
@@ -219,6 +220,26 @@
         return newTasks;
     }
 
+    public void dump(String prefix, PrintWriter writer) {
+        writer.println(prefix + "RecentTasksList:");
+        writer.println(prefix + "  mChangeId=" + mChangeId);
+        writer.println(prefix + "  mResultsUi=[id=" + mResultsUi.mRequestId + ", tasks=");
+        for (GroupTask task : mResultsUi) {
+            writer.println(prefix + "    t1=" + task.task1.key.id
+                    + " t2=" + (task.hasMultipleTasks() ? task.task2.key.id : "-1"));
+        }
+        writer.println(prefix + "  ]");
+        int currentUserId = Process.myUserHandle().getIdentifier();
+        ArrayList<GroupedRecentTaskInfo> rawTasks =
+                mSysUiProxy.getRecentTasks(Integer.MAX_VALUE, currentUserId);
+        writer.println(prefix + "  rawTasks=[");
+        for (GroupedRecentTaskInfo task : rawTasks) {
+            writer.println(prefix + "    t1=" + task.mTaskInfo1.taskId
+                    + " t2=" + (task.mTaskInfo2 != null ? task.mTaskInfo2.taskId : "-1"));
+        }
+        writer.println(prefix + "  ]");
+    }
+
     private static class TaskLoadResult extends ArrayList<GroupTask> {
 
         final int mRequestId;
diff --git a/quickstep/src/com/android/quickstep/RecentsActivity.java b/quickstep/src/com/android/quickstep/RecentsActivity.java
index 09a0b7d..d6efc71 100644
--- a/quickstep/src/com/android/quickstep/RecentsActivity.java
+++ b/quickstep/src/com/android/quickstep/RecentsActivity.java
@@ -128,7 +128,8 @@
         SYSUI_PROGRESS.set(getRootView().getSysUiScrim(), 0f);
 
         SplitSelectStateController controller =
-                new SplitSelectStateController(mHandler, SystemUiProxy.INSTANCE.get(this));
+                new SplitSelectStateController(mHandler, SystemUiProxy.INSTANCE.get(this),
+                        getStateManager(), null /*depthController*/);
         mDragLayer.recreateControllers();
         mFallbackRecentsView.init(mActionsView, controller);
 
diff --git a/quickstep/src/com/android/quickstep/RecentsModel.java b/quickstep/src/com/android/quickstep/RecentsModel.java
index ac97dd6..5d77a6e 100644
--- a/quickstep/src/com/android/quickstep/RecentsModel.java
+++ b/quickstep/src/com/android/quickstep/RecentsModel.java
@@ -24,6 +24,7 @@
 import android.app.ActivityManager;
 import android.content.ComponentCallbacks2;
 import android.content.Context;
+import android.content.Intent;
 import android.os.Build;
 import android.os.Process;
 import android.os.UserHandle;
@@ -42,6 +43,7 @@
 import com.android.systemui.shared.system.TaskStackChangeListener;
 import com.android.systemui.shared.system.TaskStackChangeListeners;
 
+import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.Executor;
@@ -176,7 +178,7 @@
 
     @Override
     public void onTaskRemoved(int taskId) {
-        Task.TaskKey stubKey = new Task.TaskKey(taskId, 0, null, null, 0, 0);
+        Task.TaskKey stubKey = new Task.TaskKey(taskId, 0, new Intent(), null, 0, 0);
         mThumbnailCache.remove(stubKey);
         mIconCache.onTaskRemoved(stubKey);
     }
@@ -219,6 +221,11 @@
         mThumbnailChangeListeners.remove(listener);
     }
 
+    public void dump(String prefix, PrintWriter writer) {
+        writer.println(prefix + "RecentsModel:");
+        mTaskList.dump("  ", writer);
+    }
+
     /**
      * Listener for receiving various task properties changes
      */
diff --git a/quickstep/src/com/android/quickstep/SystemUiProxy.java b/quickstep/src/com/android/quickstep/SystemUiProxy.java
index 4239739..c8abd14 100644
--- a/quickstep/src/com/android/quickstep/SystemUiProxy.java
+++ b/quickstep/src/com/android/quickstep/SystemUiProxy.java
@@ -39,7 +39,6 @@
 import android.view.RemoteAnimationTarget;
 import android.view.SurfaceControl;
 
-import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.util.MainThreadInitializedObject;
 import com.android.launcher3.util.SplitConfigurationOptions;
 import com.android.systemui.shared.recents.ISystemUiProxy;
@@ -52,12 +51,12 @@
 import com.android.wm.shell.pip.IPipAnimationListener;
 import com.android.wm.shell.recents.IRecentTasks;
 import com.android.wm.shell.recents.IRecentTasksListener;
-import com.android.wm.shell.util.GroupedRecentTaskInfo;
 import com.android.wm.shell.splitscreen.ISplitScreen;
 import com.android.wm.shell.splitscreen.ISplitScreenListener;
 import com.android.wm.shell.startingsurface.IStartingWindow;
 import com.android.wm.shell.startingsurface.IStartingWindowListener;
 import com.android.wm.shell.transition.IShellTransitions;
+import com.android.wm.shell.util.GroupedRecentTaskInfo;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -84,14 +83,16 @@
         MAIN_EXECUTOR.execute(() -> clearProxy());
     };
 
-    // Save the listeners passed into the proxy since when set/register these listeners,
-    // setProxy may not have been called, eg. OverviewProxyService is not connected yet.
-    private IPipAnimationListener mPendingPipAnimationListener;
-    private ISplitScreenListener mPendingSplitScreenListener;
-    private IStartingWindowListener mPendingStartingWindowListener;
-    private ISmartspaceCallback mPendingSmartspaceCallback;
-    private IRecentTasksListener mPendingRecentTasksListener;
-    private final ArrayList<RemoteTransitionCompat> mPendingRemoteTransitions = new ArrayList<>();
+    // Save the listeners passed into the proxy since OverviewProxyService may not have been bound
+    // yet, and we'll need to set/register these listeners with SysUI when they do.  Note that it is
+    // up to the caller to clear the listeners to prevent leaks as these can be held indefinitely
+    // in case SysUI needs to rebind.
+    private IPipAnimationListener mPipAnimationListener;
+    private ISplitScreenListener mSplitScreenListener;
+    private IStartingWindowListener mStartingWindowListener;
+    private ISmartspaceCallback mSmartspaceCallback;
+    private IRecentTasksListener mRecentTasksListener;
+    private final ArrayList<RemoteTransitionCompat> mRemoteTransitions = new ArrayList<>();
 
     // Used to dedupe calls to SystemUI
     private int mLastShelfHeight;
@@ -168,29 +169,23 @@
         mRecentTasks = recentTasks;
         linkToDeath();
         // re-attach the listeners once missing due to setProxy has not been initialized yet.
-        if (mPendingPipAnimationListener != null && mPip != null) {
-            setPinnedStackAnimationListener(mPendingPipAnimationListener);
-            mPendingPipAnimationListener = null;
+        if (mPipAnimationListener != null && mPip != null) {
+            setPinnedStackAnimationListener(mPipAnimationListener);
         }
-        if (mPendingSplitScreenListener != null && mSplitScreen != null) {
-            registerSplitScreenListener(mPendingSplitScreenListener);
-            mPendingSplitScreenListener = null;
+        if (mSplitScreenListener != null && mSplitScreen != null) {
+            registerSplitScreenListener(mSplitScreenListener);
         }
-        if (mPendingStartingWindowListener != null && mStartingWindow != null) {
-            setStartingWindowListener(mPendingStartingWindowListener);
-            mPendingStartingWindowListener = null;
+        if (mStartingWindowListener != null && mStartingWindow != null) {
+            setStartingWindowListener(mStartingWindowListener);
         }
-        if (mPendingSmartspaceCallback != null && mSmartspaceTransitionController != null) {
-            setSmartspaceCallback(mPendingSmartspaceCallback);
-            mPendingSmartspaceCallback = null;
+        if (mSmartspaceCallback != null && mSmartspaceTransitionController != null) {
+            setSmartspaceCallback(mSmartspaceCallback);
         }
-        for (int i = mPendingRemoteTransitions.size() - 1; i >= 0; --i) {
-            registerRemoteTransition(mPendingRemoteTransitions.get(i));
+        for (int i = mRemoteTransitions.size() - 1; i >= 0; --i) {
+            registerRemoteTransition(mRemoteTransitions.get(i));
         }
-        mPendingRemoteTransitions.clear();
-        if (mPendingRecentTasksListener != null && mRecentTasks != null) {
-            registerRecentTasksListener(mPendingRecentTasksListener);
-            mPendingRecentTasksListener = null;
+        if (mRecentTasksListener != null && mRecentTasks != null) {
+            registerRecentTasksListener(mRecentTasksListener);
         }
 
         if (mPendingSetNavButtonAlpha != null) {
@@ -469,8 +464,6 @@
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call handleImageBundleAsScreenshot");
             }
-        } else if (TestProtocol.sDebugTracing) {
-            Log.d(TestProtocol.NO_SCREENSHOT, "sysuiproxy, no proxy available");
         }
     }
 
@@ -516,9 +509,8 @@
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call setPinnedStackAnimationListener", e);
             }
-        } else {
-            mPendingPipAnimationListener = listener;
         }
+        mPipAnimationListener = listener;
     }
 
     public Rect startSwipePipToHome(ComponentName componentName, ActivityInfo activityInfo,
@@ -556,9 +548,8 @@
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call registerSplitScreenListener");
             }
-        } else {
-            mPendingSplitScreenListener = listener;
         }
+        mSplitScreenListener = listener;
     }
 
     public void unregisterSplitScreenListener(ISplitScreenListener listener) {
@@ -569,7 +560,7 @@
                 Log.w(TAG, "Failed call unregisterSplitScreenListener");
             }
         }
-        mPendingSplitScreenListener = null;
+        mSplitScreenListener = null;
     }
 
     /** Start multiple tasks in split-screen simultaneously. */
@@ -690,9 +681,8 @@
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call registerRemoteTransition");
             }
-        } else {
-            mPendingRemoteTransitions.add(remoteTransition);
         }
+        mRemoteTransitions.add(remoteTransition);
     }
 
     public void unregisterRemoteTransition(RemoteTransitionCompat remoteTransition) {
@@ -703,7 +693,7 @@
                 Log.w(TAG, "Failed call registerRemoteTransition");
             }
         }
-        mPendingRemoteTransitions.remove(remoteTransition);
+        mRemoteTransitions.remove(remoteTransition);
     }
 
     //
@@ -720,9 +710,8 @@
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call setStartingWindowListener", e);
             }
-        } else {
-            mPendingStartingWindowListener = listener;
         }
+        mStartingWindowListener = listener;
     }
 
     //
@@ -736,9 +725,8 @@
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call setStartingWindowListener", e);
             }
-        } else {
-            mPendingSmartspaceCallback = callback;
         }
+        mSmartspaceCallback = callback;
     }
 
     //
@@ -752,9 +740,8 @@
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call registerRecentTasksListener", e);
             }
-        } else {
-            mPendingRecentTasksListener = listener;
         }
+        mRecentTasksListener = listener;
     }
 
     public void unregisterRecentTasksListener(IRecentTasksListener listener) {
@@ -765,7 +752,7 @@
                 Log.w(TAG, "Failed call unregisterRecentTasksListener");
             }
         }
-        mPendingRecentTasksListener = null;
+        mRecentTasksListener = null;
     }
 
     public ArrayList<GroupedRecentTaskInfo> getRecentTasks(int numTasks, int userId) {
diff --git a/quickstep/src/com/android/quickstep/TaskOverlayFactory.java b/quickstep/src/com/android/quickstep/TaskOverlayFactory.java
index c45159e..0246849 100644
--- a/quickstep/src/com/android/quickstep/TaskOverlayFactory.java
+++ b/quickstep/src/com/android/quickstep/TaskOverlayFactory.java
@@ -209,13 +209,6 @@
         }
 
         /**
-         * Called when the current task's thumbnail has changed.
-         */
-        public void refreshActionVisibility(ThumbnailData thumbnail) {
-            getActionsView().updateDisabledFlags(DISABLED_NO_THUMBNAIL, thumbnail == null);
-        }
-
-        /**
          * End rendering live tile in Overview.
          *
          * @param callback callback to run, after switching to screenshot
diff --git a/quickstep/src/com/android/quickstep/TaskShortcutFactory.java b/quickstep/src/com/android/quickstep/TaskShortcutFactory.java
index 8c4ba97..cbdbdb5 100644
--- a/quickstep/src/com/android/quickstep/TaskShortcutFactory.java
+++ b/quickstep/src/com/android/quickstep/TaskShortcutFactory.java
@@ -72,7 +72,13 @@
         @Override
         public SystemShortcut getShortcut(BaseDraggingActivity activity,
                 TaskIdAttributeContainer taskContainer) {
-            return new AppInfo(activity, taskContainer.getItemInfo());
+            TaskView taskView = taskContainer.getTaskView();
+            AppInfo.SplitAccessibilityInfo accessibilityInfo =
+                    new AppInfo.SplitAccessibilityInfo(taskView.containsMultipleTasks(),
+                            TaskUtils.getTitle(taskView.getContext(), taskContainer.getTask()),
+                            taskContainer.getA11yNodeId()
+                    );
+            return new AppInfo(activity, taskContainer.getItemInfo(), accessibilityInfo);
         }
 
         @Override
diff --git a/quickstep/src/com/android/quickstep/TaskThumbnailCache.java b/quickstep/src/com/android/quickstep/TaskThumbnailCache.java
index eaa43cf..3175ba8 100644
--- a/quickstep/src/com/android/quickstep/TaskThumbnailCache.java
+++ b/quickstep/src/com/android/quickstep/TaskThumbnailCache.java
@@ -134,7 +134,8 @@
         Preconditions.assertUIThread();
 
         boolean lowResolution = !mHighResLoadingState.isEnabled();
-        if (task.thumbnail != null && (!task.thumbnail.reducedResolution || lowResolution)) {
+        if (task.thumbnail != null && task.thumbnail.thumbnail != null
+                && (!task.thumbnail.reducedResolution || lowResolution)) {
             // Nothing to load, the thumbnail is already high-resolution or matches what the
             // request, so just callback
             callback.accept(task.thumbnail);
@@ -152,7 +153,8 @@
         Preconditions.assertUIThread();
 
         ThumbnailData cachedThumbnail = mCache.getAndInvalidateIfModified(key);
-        if (cachedThumbnail != null && (!cachedThumbnail.reducedResolution || lowResolution)) {
+        if (cachedThumbnail != null &&  cachedThumbnail.thumbnail != null
+                && (!cachedThumbnail.reducedResolution || lowResolution)) {
             // Already cached, lets use that thumbnail
             callback.accept(cachedThumbnail);
             return null;
diff --git a/quickstep/src/com/android/quickstep/TaskViewUtils.java b/quickstep/src/com/android/quickstep/TaskViewUtils.java
index 67a94cc..e77ec78 100644
--- a/quickstep/src/com/android/quickstep/TaskViewUtils.java
+++ b/quickstep/src/com/android/quickstep/TaskViewUtils.java
@@ -32,7 +32,6 @@
 import static com.android.launcher3.Utilities.getDescendantCoordRelativeToAncestor;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
 import static com.android.launcher3.anim.Interpolators.TOUCH_RESPONSE_INTERPOLATOR;
-import static com.android.launcher3.anim.Interpolators.TOUCH_RESPONSE_INTERPOLATOR_ACCEL_DEACCEL;
 import static com.android.launcher3.anim.Interpolators.clampToProgress;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_QUICKSTEP_LIVE_TILE;
 import static com.android.launcher3.statehandlers.DepthController.DEPTH;
@@ -57,6 +56,7 @@
 import android.window.TransitionInfo;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 
 import com.android.launcher3.BaseActivity;
 import com.android.launcher3.DeviceProfile;
@@ -73,6 +73,7 @@
 import com.android.quickstep.util.SurfaceTransactionApplier;
 import com.android.quickstep.util.TaskViewSimulator;
 import com.android.quickstep.util.TransformParams;
+import com.android.quickstep.views.GroupedTaskView;
 import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.TaskThumbnailView;
 import com.android.quickstep.views.TaskView;
@@ -150,10 +151,12 @@
         return taskView;
     }
 
-    public static void createRecentsWindowAnimator(TaskView v, boolean skipViewChanges,
-            RemoteAnimationTargetCompat[] appTargets,
-            RemoteAnimationTargetCompat[] wallpaperTargets,
-            RemoteAnimationTargetCompat[] nonAppTargets, DepthController depthController,
+    public static void createRecentsWindowAnimator(
+            @NonNull TaskView v, boolean skipViewChanges,
+            @NonNull RemoteAnimationTargetCompat[] appTargets,
+            @NonNull RemoteAnimationTargetCompat[] wallpaperTargets,
+            @NonNull RemoteAnimationTargetCompat[] nonAppTargets,
+            @Nullable DepthController depthController,
             PendingAnimation out) {
         RecentsView recentsView = v.getRecentsView();
         boolean isQuickSwitch = v.isEndQuickswitchCuj();
@@ -193,8 +196,8 @@
         boolean showAsGrid = dp.overviewShowAsGrid;
         boolean parallaxCenterAndAdjacentTask =
                 taskIndex != recentsView.getCurrentPage() && !showAsGrid;
-        float gridTranslationSecondary = recentsView.getGridTranslationSecondary(taskIndex);
-        int startScroll = recentsView.getScrollOffset(taskIndex);
+        int taskRectTranslationPrimary = recentsView.getScrollOffset(taskIndex);
+        int taskRectTranslationSecondary = showAsGrid ? (int) v.getGridTranslationY() : 0;
 
         RemoteTargetHandle[] topMostSimulators = null;
 
@@ -211,10 +214,10 @@
 
                 tvsLocal.fullScreenProgress.value = 0;
                 tvsLocal.recentsViewScale.value = 1;
-                if (showAsGrid) {
-                    tvsLocal.taskSecondaryTranslation.value = gridTranslationSecondary;
-                }
-                tvsLocal.setScroll(startScroll);
+                tvsLocal.setIsGridTask(v.isGridTask());
+                tvsLocal.getOrientationState().getOrientationHandler().set(tvsLocal,
+                        TaskViewSimulator::setTaskRectTranslation, taskRectTranslationPrimary,
+                        taskRectTranslationSecondary);
 
                 // Fade in the task during the initial 20% of the animation
                 out.addFloat(targetHandle.getTransformParams(), TransformParams.TARGET_ALPHA, 0, 1,
@@ -229,10 +232,6 @@
             out.setFloat(tvsLocal.recentsViewScale,
                     AnimatedFloat.VALUE, tvsLocal.getFullScreenScale(),
                     TOUCH_RESPONSE_INTERPOLATOR);
-            if (showAsGrid) {
-                out.setFloat(tvsLocal.taskSecondaryTranslation, AnimatedFloat.VALUE, 0,
-                        TOUCH_RESPONSE_INTERPOLATOR_ACCEL_DEACCEL);
-            }
             out.setFloat(tvsLocal.recentsViewScroll, AnimatedFloat.VALUE, 0,
                     TOUCH_RESPONSE_INTERPOLATOR);
 
@@ -425,15 +424,46 @@
         finishCallback.run();
     }
 
-    /** Legacy version (until shell transitions are enabled) */
-    public static void composeRecentsSplitLaunchAnimatorLegacy(@NonNull Task initialTask,
+    /**
+     * Legacy version (until shell transitions are enabled)
+     *
+     * If {@param launchingTaskView} is not null, then this will play the tasks launch animation
+     * from the position of the GroupedTaskView (when user taps on the TaskView to start it).
+     * Technically this case should be taken care of by
+     * {@link #composeRecentsSplitLaunchAnimatorLegacy()} below, but the way we launch tasks whether
+     * it's a single task or multiple tasks results in different entry-points.
+     *
+     * If it is null, then it will simply fade in the starting apps and fade out launcher (for the
+     * case where launcher handles animating starting split tasks from app icon) */
+    public static void composeRecentsSplitLaunchAnimatorLegacy(
+            @Nullable GroupedTaskView launchingTaskView,
+            @NonNull Task initialTask,
             @NonNull Task secondTask, @NonNull RemoteAnimationTargetCompat[] appTargets,
             @NonNull RemoteAnimationTargetCompat[] wallpaperTargets,
             @NonNull RemoteAnimationTargetCompat[] nonAppTargets,
+            @NonNull StateManager stateManager,
+            @Nullable DepthController depthController,
             @NonNull Runnable finishCallback) {
+        if (launchingTaskView != null) {
+            AnimatorSet animatorSet = new AnimatorSet();
+            RecentsView recentsView = launchingTaskView.getRecentsView();
+            animatorSet.addListener(new AnimatorListenerAdapter() {
+                @Override
+                public void onAnimationEnd(Animator animation) {
+                    super.onAnimationEnd(animation);
+                    finishCallback.run();
+                }
+            });
+            composeRecentsLaunchAnimator(animatorSet, launchingTaskView,
+                    appTargets, wallpaperTargets, nonAppTargets,
+                    true, stateManager,
+                    recentsView, depthController);
+            animatorSet.start();
+            return;
+        }
+
         final ArrayList<SurfaceControl> openingTargets = new ArrayList<>();
         final ArrayList<SurfaceControl> closingTargets = new ArrayList<>();
-
         for (RemoteAnimationTargetCompat appTarget : appTargets) {
             final int taskId = appTarget.taskInfo != null ? appTarget.taskInfo.taskId : -1;
             final int mode = appTarget.mode;
@@ -497,7 +527,7 @@
             @NonNull RemoteAnimationTargetCompat[] wallpaperTargets,
             @NonNull RemoteAnimationTargetCompat[] nonAppTargets, boolean launcherClosing,
             @NonNull StateManager stateManager, @NonNull RecentsView recentsView,
-            @NonNull DepthController depthController) {
+            @Nullable DepthController depthController) {
         boolean skipLauncherChanges = !launcherClosing;
 
         TaskView taskView = findTaskViewToLaunch(recentsView, v, appTargets);
diff --git a/quickstep/src/com/android/quickstep/TouchInteractionService.java b/quickstep/src/com/android/quickstep/TouchInteractionService.java
index a0b8abd..f6f2cf9 100644
--- a/quickstep/src/com/android/quickstep/TouchInteractionService.java
+++ b/quickstep/src/com/android/quickstep/TouchInteractionService.java
@@ -288,6 +288,12 @@
                     .onSystemBarAttributesChanged(displayId, behavior));
         }
 
+        @Override
+        public void onNavButtonsDarkIntensityChanged(float darkIntensity) {
+            executeForTaskbarManager(() -> mTaskbarManager
+                    .onNavButtonsDarkIntensityChanged(darkIntensity));
+        }
+
         private void executeForTaskbarManager(final Runnable r) {
             MAIN_EXECUTOR.execute(() -> {
                 if (mTaskbarManager == null) {
@@ -967,6 +973,7 @@
             pw.println("  resumed=" + resumed);
             pw.println("  mConsumer=" + mConsumer.getName());
             ActiveGestureLog.INSTANCE.dump("", pw);
+            RecentsModel.INSTANCE.get(this).dump("", pw);
             pw.println("ProtoTrace:");
             pw.println("  file=" + ProtoTracer.INSTANCE.get(this).getTraceFile());
         }
diff --git a/quickstep/src/com/android/quickstep/ViewUtils.java b/quickstep/src/com/android/quickstep/ViewUtils.java
index 184ab17..e290be8 100644
--- a/quickstep/src/com/android/quickstep/ViewUtils.java
+++ b/quickstep/src/com/android/quickstep/ViewUtils.java
@@ -15,8 +15,10 @@
  */
 package com.android.quickstep;
 
+import android.graphics.HardwareRenderer;
 import android.os.Handler;
 import android.view.View;
+import android.view.ViewRootImpl;
 
 import com.android.launcher3.Utilities;
 import com.android.systemui.shared.system.ViewRootImplCompat;
@@ -45,9 +47,9 @@
         return new FrameHandler(view, onFinishRunnable, canceled).schedule();
     }
 
-    private static class FrameHandler implements LongConsumer {
+    private static class FrameHandler implements HardwareRenderer.FrameDrawingCallback {
 
-        final ViewRootImplCompat mViewRoot;
+        final ViewRootImpl mViewRoot;
         final Runnable mFinishCallback;
         final BooleanSupplier mCancelled;
         final Handler mHandler;
@@ -55,14 +57,14 @@
         int mDeferFrameCount = 1;
 
         FrameHandler(View view, Runnable finishCallback, BooleanSupplier cancelled) {
-            mViewRoot = new ViewRootImplCompat(view);
+            mViewRoot = view.getViewRootImpl();
             mFinishCallback = finishCallback;
             mCancelled = cancelled;
             mHandler = new Handler();
         }
 
         @Override
-        public void accept(long l) {
+        public void onFrameDraw(long frame) {
             Utilities.postAsyncCallback(mHandler, this::onFrame);
         }
 
@@ -83,7 +85,7 @@
         }
 
         private boolean schedule() {
-            if (mViewRoot.isValid()) {
+            if (mViewRoot.getView() != null) {
                 mViewRoot.registerRtFrameCallback(this);
                 mViewRoot.getView().invalidate();
                 return true;
diff --git a/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java b/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java
index eff59e2..95095fa 100644
--- a/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java
+++ b/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java
@@ -16,6 +16,7 @@
 package com.android.quickstep.fallback;
 
 import static com.android.quickstep.GestureState.GestureEndTarget.RECENTS;
+import static com.android.quickstep.ViewUtils.postFrameDrawn;
 import static com.android.quickstep.fallback.RecentsState.DEFAULT;
 import static com.android.quickstep.fallback.RecentsState.HOME;
 import static com.android.quickstep.fallback.RecentsState.MODAL_TASK;
@@ -218,8 +219,14 @@
 
     @Override
     public void onStateTransitionComplete(RecentsState finalState) {
-        setOverlayEnabled(finalState == DEFAULT || finalState == MODAL_TASK);
+        boolean isOverlayEnabled = finalState == DEFAULT || finalState == MODAL_TASK;
+        setOverlayEnabled(isOverlayEnabled);
         setFreezeViewVisibility(false);
+
+        if (isOverlayEnabled) {
+            postFrameDrawn(this, () -> runActionOnRemoteHandles(remoteTargetHandle ->
+                    remoteTargetHandle.getTaskViewSimulator().setDrawsBelowRecents(true)));
+        }
     }
 
     @Override
diff --git a/quickstep/src/com/android/quickstep/inputconsumers/AssistantInputConsumer.java b/quickstep/src/com/android/quickstep/inputconsumers/AssistantInputConsumer.java
index 510820a..162ace4 100644
--- a/quickstep/src/com/android/quickstep/inputconsumers/AssistantInputConsumer.java
+++ b/quickstep/src/com/android/quickstep/inputconsumers/AssistantInputConsumer.java
@@ -24,6 +24,8 @@
 import static android.view.MotionEvent.ACTION_POINTER_UP;
 import static android.view.MotionEvent.ACTION_UP;
 
+import static com.android.internal.app.AssistUtils.INVOCATION_TYPE_GESTURE;
+import static com.android.internal.app.AssistUtils.INVOCATION_TYPE_KEY;
 import static com.android.launcher3.Utilities.squaredHypot;
 
 import android.animation.Animator;
@@ -64,8 +66,6 @@
     private static final String OPA_BUNDLE_TRIGGER = "triggered_by";
     // From //java/com/google/android/apps/gsa/assistant/shared/proto/opa_trigger.proto.
     private static final int OPA_BUNDLE_TRIGGER_DIAG_SWIPE_GESTURE = 83;
-    private static final String INVOCATION_TYPE_KEY = "invocation_type";
-    private static final int INVOCATION_TYPE_GESTURE = 1;
 
     private final PointF mDownPos = new PointF();
     private final PointF mLastPos = new PointF();
diff --git a/quickstep/src/com/android/quickstep/interaction/AllSetActivity.java b/quickstep/src/com/android/quickstep/interaction/AllSetActivity.java
index 965c1bc..1c3e784 100644
--- a/quickstep/src/com/android/quickstep/interaction/AllSetActivity.java
+++ b/quickstep/src/com/android/quickstep/interaction/AllSetActivity.java
@@ -19,6 +19,7 @@
 import static com.android.launcher3.Utilities.mapRange;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
 
+import android.animation.Animator;
 import android.app.Activity;
 import android.app.ActivityManager.RunningTaskInfo;
 import android.content.Context;
@@ -38,6 +39,8 @@
 import android.graphics.Shader.TileMode;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
+import android.os.VibrationEffect;
+import android.os.Vibrator;
 import android.util.Log;
 import android.view.View;
 import android.view.View.AccessibilityDelegate;
@@ -56,6 +59,8 @@
 import com.android.quickstep.TouchInteractionService.TISBinder;
 import com.android.quickstep.util.TISBindHelper;
 
+import com.airbnb.lottie.LottieAnimationView;
+
 import java.net.URISyntaxException;
 
 /**
@@ -80,6 +85,10 @@
     private View mContentView;
     private float mSwipeUpShift;
 
+    @Nullable private Vibrator mVibrator;
+    private LottieAnimationView mAnimatedBackground;
+    private Animator.AnimatorListener mBackgroundAnimatorListener;
+
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -115,6 +124,52 @@
 
         findViewById(R.id.hint).setAccessibilityDelegate(new SkipButtonAccessibilityDelegate());
         mTISBindHelper = new TISBindHelper(this, this::onTISConnected);
+
+        mVibrator = getSystemService(Vibrator.class);
+        mAnimatedBackground = findViewById(R.id.animated_background);
+        startBackgroundAnimation();
+    }
+
+    private void startBackgroundAnimation() {
+        if (Utilities.ATLEAST_S && mVibrator != null && mVibrator.areAllPrimitivesSupported(
+                VibrationEffect.Composition.PRIMITIVE_THUD)) {
+            if (mBackgroundAnimatorListener == null) {
+                mBackgroundAnimatorListener =
+                        new Animator.AnimatorListener() {
+                            @Override
+                            public void onAnimationStart(Animator animation) {
+                                mVibrator.vibrate(getVibrationEffect());
+                            }
+
+                            @Override
+                            public void onAnimationRepeat(Animator animation) {
+                                mVibrator.vibrate(getVibrationEffect());
+                            }
+
+                            @Override
+                            public void onAnimationEnd(Animator animation) {
+                                mVibrator.cancel();
+                            }
+
+                            @Override
+                            public void onAnimationCancel(Animator animation) {
+                                mVibrator.cancel();
+                            }
+                        };
+            }
+            mAnimatedBackground.addAnimatorListener(mBackgroundAnimatorListener);
+        }
+        mAnimatedBackground.playAnimation();
+    }
+
+    /**
+     * Sets up the vibration effect for the next round of animation. The parameters vary between
+     * different illustrations.
+     */
+    private VibrationEffect getVibrationEffect() {
+        return VibrationEffect.startComposition()
+                .addPrimitive(VibrationEffect.Composition.PRIMITIVE_THUD, 1.0f, 50)
+                .compose();
     }
 
     @Override
@@ -153,6 +208,9 @@
         super.onDestroy();
         mTISBindHelper.onDestroy();
         clearBinderOverride();
+        if (mBackgroundAnimatorListener != null) {
+            mAnimatedBackground.removeAnimatorListener(mBackgroundAnimatorListener);
+        }
     }
 
     private AnimatedFloat createSwipeUpProxy(GestureState state) {
@@ -173,6 +231,12 @@
                 1, 0, LINEAR);
         mContentView.setAlpha(alpha);
         mContentView.setTranslationY((alpha - 1) * mSwipeUpShift);
+
+        if (alpha == 0f) {
+            mAnimatedBackground.pauseAnimation();
+        } else if (!mAnimatedBackground.isAnimating()) {
+            mAnimatedBackground.resumeAnimation();
+        }
     }
 
     /**
diff --git a/quickstep/src/com/android/quickstep/util/ImageActionUtils.java b/quickstep/src/com/android/quickstep/util/ImageActionUtils.java
index b0c68c5..de7dbd6 100644
--- a/quickstep/src/com/android/quickstep/util/ImageActionUtils.java
+++ b/quickstep/src/com/android/quickstep/util/ImageActionUtils.java
@@ -49,7 +49,6 @@
 
 import com.android.internal.app.ChooserActivity;
 import com.android.launcher3.BuildConfig;
-import com.android.launcher3.testing.TestProtocol;
 import com.android.quickstep.SystemUiProxy;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.recents.utilities.BitmapUtil;
@@ -78,9 +77,6 @@
     public static void saveScreenshot(SystemUiProxy systemUiProxy, Bitmap screenshot,
             Rect screenshotBounds,
             Insets visibleInsets, Task.TaskKey task) {
-        if (TestProtocol.sDebugTracing) {
-            Log.d(TestProtocol.NO_SCREENSHOT, "image action utils calling into sysuiproxy");
-        }
         systemUiProxy.handleImageBundleAsScreenshot(BitmapUtil.hardwareBitmapToBundle(screenshot),
                 screenshotBounds, visibleInsets, task);
     }
diff --git a/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java b/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java
index 9c6fd3d..8ccab71 100644
--- a/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java
+++ b/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java
@@ -162,7 +162,7 @@
      */
     public void setDeviceProfile(DeviceProfile deviceProfile) {
         boolean oldMultipleOrientationsSupported = isMultipleOrientationSupportedByDevice();
-        setFlag(FLAG_MULTIPLE_ORIENTATION_SUPPORTED_BY_DENSITY, !deviceProfile.allowRotation);
+        setFlag(FLAG_MULTIPLE_ORIENTATION_SUPPORTED_BY_DENSITY, !deviceProfile.isTablet);
         if (mListenersInitialized) {
             boolean newMultipleOrientationsSupported = isMultipleOrientationSupportedByDevice();
             // If isMultipleOrientationSupportedByDevice is changed, init or destroy listeners
diff --git a/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java b/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
index b32c4e5..c784d82 100644
--- a/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
+++ b/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
@@ -24,19 +24,24 @@
 import android.app.ActivityOptions;
 import android.app.ActivityThread;
 import android.graphics.Rect;
-import android.os.Bundle;
 import android.os.Handler;
 import android.os.IBinder;
 import android.view.RemoteAnimationAdapter;
 import android.view.SurfaceControl;
 import android.window.TransitionInfo;
 
-import com.android.launcher3.Utilities;
+
+import androidx.annotation.Nullable;
+
+import com.android.launcher3.statehandlers.DepthController;
+import com.android.launcher3.statemanager.StateManager;
 import com.android.launcher3.util.SplitConfigurationOptions;
 import com.android.launcher3.util.SplitConfigurationOptions.StagePosition;
 import com.android.quickstep.SystemUiProxy;
 import com.android.quickstep.TaskAnimationManager;
 import com.android.quickstep.TaskViewUtils;
+import com.android.quickstep.views.GroupedTaskView;
+import com.android.quickstep.views.TaskView;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.system.RemoteAnimationAdapterCompat;
 import com.android.systemui.shared.system.RemoteAnimationRunnerCompat;
@@ -54,23 +59,32 @@
 
     private final Handler mHandler;
     private final SystemUiProxy mSystemUiProxy;
+    private final StateManager mStateManager;
+    private final DepthController mDepthController;
     private @StagePosition int mStagePosition;
     private Task mInitialTask;
     private Task mSecondTask;
     private Rect mInitialBounds;
     private boolean mRecentsAnimationRunning;
+    /** If not null, this is the TaskView we want to launch from */
+    @Nullable
+    private GroupedTaskView mLaunchingTaskView;
 
-    public SplitSelectStateController(Handler handler, SystemUiProxy systemUiProxy) {
+    public SplitSelectStateController(Handler handler, SystemUiProxy systemUiProxy,
+            StateManager stateManager,
+            DepthController depthController) {
         mHandler = handler;
         mSystemUiProxy = systemUiProxy;
+        mStateManager = stateManager;
+        mDepthController = depthController;
     }
 
     /**
      * To be called after first task selected
      */
-    public void setInitialTaskSelect(Task taskView, @StagePosition int stagePosition,
+    public void setInitialTaskSelect(Task task, @StagePosition int stagePosition,
             Rect initialBounds) {
-        mInitialTask = taskView;
+        mInitialTask = task;
         mStagePosition = stagePosition;
         mInitialBounds = initialBounds;
     }
@@ -78,13 +92,25 @@
     /**
      * To be called after second task selected
      */
-    public void setSecondTaskId(Task taskView, Consumer<Boolean> callback) {
-        mSecondTask = taskView;
+    public void setSecondTaskId(Task task, Consumer<Boolean> callback) {
+        mSecondTask = task;
         launchTasks(mInitialTask, mSecondTask, mStagePosition, callback,
                 false /* freezeTaskList */);
     }
 
     /**
+     * To be called when we want to launch split pairs from an existing GroupedTaskView.
+     */
+    public void launchTasks(GroupedTaskView groupedTaskView,
+            Consumer<Boolean> callback, boolean freezeTaskList) {
+        mLaunchingTaskView = groupedTaskView;
+        TaskView.TaskIdAttributeContainer[] taskIdAttributeContainers =
+                groupedTaskView.getTaskIdAttributeContainers();
+        launchTasks(taskIdAttributeContainers[0].getTask(), taskIdAttributeContainers[1].getTask(),
+                taskIdAttributeContainers[0].getStagePosition(), callback, freezeTaskList);
+    }
+
+    /**
      * @param stagePosition representing location of task1
      */
     public void launchTasks(Task task1, Task task2, @StagePosition int stagePosition,
@@ -171,8 +197,9 @@
                 RemoteAnimationTargetCompat[] wallpapers, RemoteAnimationTargetCompat[] nonApps,
                 Runnable finishedCallback) {
             postAsyncCallback(mHandler,
-                    () -> TaskViewUtils.composeRecentsSplitLaunchAnimatorLegacy(mInitialTask,
-                            mSecondTask, apps, wallpapers, nonApps, () -> {
+                    () -> TaskViewUtils.composeRecentsSplitLaunchAnimatorLegacy(
+                            mLaunchingTaskView, mInitialTask, mSecondTask, apps, wallpapers,
+                            nonApps, mStateManager, mDepthController, () -> {
                                 finishedCallback.run();
                                 if (mSuccessCallback != null) {
                                     mSuccessCallback.accept(true);
@@ -203,6 +230,7 @@
         mStagePosition = SplitConfigurationOptions.STAGE_POSITION_UNDEFINED;
         mInitialBounds = null;
         mRecentsAnimationRunning = false;
+        mLaunchingTaskView = null;
     }
 
     /**
diff --git a/quickstep/src/com/android/quickstep/util/SurfaceTransactionApplier.java b/quickstep/src/com/android/quickstep/util/SurfaceTransactionApplier.java
index 3b4fd31..3b1c150 100644
--- a/quickstep/src/com/android/quickstep/util/SurfaceTransactionApplier.java
+++ b/quickstep/src/com/android/quickstep/util/SurfaceTransactionApplier.java
@@ -22,10 +22,10 @@
 import android.view.SurfaceControl;
 import android.view.SurfaceControl.Transaction;
 import android.view.View;
+import android.view.ViewRootImpl;
 
 import com.android.quickstep.RemoteAnimationTargets.ReleaseCheck;
 import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams;
-import com.android.systemui.shared.system.ViewRootImplCompat;
 
 import java.util.function.Consumer;
 
@@ -41,7 +41,7 @@
     private static final int MSG_UPDATE_SEQUENCE_NUMBER = 0;
 
     private final SurfaceControl mBarrierSurfaceControl;
-    private final ViewRootImplCompat mTargetViewRootImpl;
+    private final ViewRootImpl mTargetViewRootImpl;
     private final Handler mApplyHandler;
 
     private int mLastSequenceNumber = 0;
@@ -50,8 +50,8 @@
      * @param targetView The view in the surface that acts as synchronization anchor.
      */
     public SurfaceTransactionApplier(View targetView) {
-        mTargetViewRootImpl = new ViewRootImplCompat(targetView);
-        mBarrierSurfaceControl = mTargetViewRootImpl.getRenderSurfaceControl();
+        mTargetViewRootImpl = targetView.getViewRootImpl();
+        mBarrierSurfaceControl = mTargetViewRootImpl.getSurfaceControl();
         mApplyHandler = new Handler(this::onApplyMessage);
     }
 
@@ -109,7 +109,7 @@
         if (targetView == null) {
             // No target view, no applier
             callback.accept(null);
-        } else if (new ViewRootImplCompat(targetView).isValid()) {
+        } else if (targetView.isAttachedToWindow()) {
             // Already attached, we're good to go
             callback.accept(new SurfaceTransactionApplier(targetView));
         } else {
diff --git a/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java b/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
index 280b5d7..f676091 100644
--- a/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
+++ b/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
@@ -101,6 +101,9 @@
     private int mOrientationStateId;
     private StagedSplitBounds mStagedSplitBounds;
     private boolean mDrawsBelowRecents;
+    private boolean mIsGridTask;
+    private int mTaskRectTranslationX;
+    private int mTaskRectTranslationY;
 
     public TaskViewSimulator(Context context, BaseActivityInterface sizeStrategy) {
         mContext = context;
@@ -140,19 +143,26 @@
         if (mDp == null) {
             return 1;
         }
-        Rect fullTaskSize = new Rect();
-        mSizeStrategy.calculateTaskSize(mContext, mDp, fullTaskSize);
+        if (mIsGridTask) {
+            mSizeStrategy.calculateGridTaskSize(mContext, mDp, mTaskRect,
+                    mOrientationState.getOrientationHandler());
+        } else {
+            mSizeStrategy.calculateTaskSize(mContext, mDp, mTaskRect);
+        }
 
+        Rect fullTaskSize;
         if (mStagedSplitBounds != null) {
             // The task rect changes according to the staged split task sizes, but recents
             // fullscreen scale and pivot remains the same since the task fits into the existing
             // sized task space bounds
-            mSizeStrategy.calculateTaskSize(mContext, mDp, mTaskRect);
+            fullTaskSize = new Rect(mTaskRect);
             mOrientationState.getOrientationHandler()
                     .setSplitTaskSwipeRect(mDp, mTaskRect, mStagedSplitBounds, mStagePosition);
+            mTaskRect.offset(mTaskRectTranslationX, mTaskRectTranslationY);
         } else {
-            mTaskRect.set(fullTaskSize);
+            fullTaskSize = mTaskRect;
         }
+        fullTaskSize.offset(mTaskRectTranslationX, mTaskRectTranslationY);
         return mOrientationState.getFullScreenScaleAndPivot(fullTaskSize, mDp, mPivot);
     }
 
@@ -205,6 +215,21 @@
     }
 
     /**
+     * Sets whether the task is part of overview grid and not being focused.
+     */
+    public void setIsGridTask(boolean isGridTask) {
+        mIsGridTask = isGridTask;
+    }
+
+    /**
+     * Apply translations on TaskRect's starting location.
+     */
+    public void setTaskRectTranslation(int taskRectTranslationX, int taskRectTranslationY) {
+        mTaskRectTranslationX = taskRectTranslationX;
+        mTaskRectTranslationY = taskRectTranslationY;
+    }
+
+    /**
      * Adds animation for all the components corresponding to transition from an app to overview.
      */
     public void addAppToOverviewAnim(PendingAnimation pa, TimeInterpolator interpolator) {
@@ -307,20 +332,20 @@
         mMatrix.postTranslate(insets.left, insets.top);
         mMatrix.postScale(scale, scale);
 
-        // Apply TaskView matrix: translate, scroll
+        // Apply TaskView matrix: taskRect, translate
         mMatrix.postTranslate(mTaskRect.left, mTaskRect.top);
-        mOrientationState.getOrientationHandler().set(mMatrix, MATRIX_POST_TRANSLATE,
+        mOrientationState.getOrientationHandler().setPrimary(mMatrix, MATRIX_POST_TRANSLATE,
                 taskPrimaryTranslation.value);
         mOrientationState.getOrientationHandler().setSecondary(mMatrix, MATRIX_POST_TRANSLATE,
                 taskSecondaryTranslation.value);
-        mOrientationState.getOrientationHandler().set(
+        mOrientationState.getOrientationHandler().setPrimary(
                 mMatrix, MATRIX_POST_TRANSLATE, recentsViewScroll.value);
 
         // Apply RecentsView matrix
         mMatrix.postScale(recentsViewScale.value, recentsViewScale.value, mPivot.x, mPivot.y);
         mOrientationState.getOrientationHandler().setSecondary(mMatrix, MATRIX_POST_TRANSLATE,
                 recentsViewSecondaryTranslation.value);
-        mOrientationState.getOrientationHandler().set(mMatrix, MATRIX_POST_TRANSLATE,
+        mOrientationState.getOrientationHandler().setPrimary(mMatrix, MATRIX_POST_TRANSLATE,
                 recentsViewPrimaryTranslation.value);
         applyWindowToHomeRotation(mMatrix);
 
diff --git a/quickstep/src/com/android/quickstep/views/AllAppsEduView.java b/quickstep/src/com/android/quickstep/views/AllAppsEduView.java
index e9d7c3c..d79b318 100644
--- a/quickstep/src/com/android/quickstep/views/AllAppsEduView.java
+++ b/quickstep/src/com/android/quickstep/views/AllAppsEduView.java
@@ -35,6 +35,7 @@
 import android.view.MotionEvent;
 import android.view.View;
 
+import androidx.annotation.Nullable;
 import androidx.core.graphics.ColorUtils;
 
 import com.android.launcher3.AbstractFloatingView;
@@ -58,6 +59,7 @@
     private Launcher mLauncher;
     private AllAppsEduTouchController mTouchController;
 
+    @Nullable
     private AnimatorSet mAnimation;
 
     private GradientDrawable mCircle;
diff --git a/quickstep/src/com/android/quickstep/views/DigitalWellBeingToast.java b/quickstep/src/com/android/quickstep/views/DigitalWellBeingToast.java
index 7c8041c..dbdcf19 100644
--- a/quickstep/src/com/android/quickstep/views/DigitalWellBeingToast.java
+++ b/quickstep/src/com/android/quickstep/views/DigitalWellBeingToast.java
@@ -44,6 +44,7 @@
 import android.widget.FrameLayout;
 import android.widget.TextView;
 
+import androidx.annotation.Nullable;
 import androidx.annotation.StringRes;
 
 import com.android.launcher3.BaseActivity;
@@ -69,6 +70,7 @@
     private Task mTask;
     private boolean mHasLimit;
     private long mAppRemainingTimeMs;
+    @Nullable
     private View mBanner;
     private ViewOutlineProvider mOldBannerOutlineProvider;
     private float mBannerOffsetPercentage;
@@ -234,7 +236,7 @@
                 task.titleDescription;
     }
 
-    private void replaceBanner(View view) {
+    private void replaceBanner(@Nullable View view) {
         resetOldBanner();
         setBanner(view);
     }
@@ -248,7 +250,7 @@
         }
     }
 
-    private void setBanner(View view) {
+    private void setBanner(@Nullable View view) {
         mBanner = view;
         if (view != null) {
             setupAndAddBanner();
diff --git a/quickstep/src/com/android/quickstep/views/FloatingTaskView.java b/quickstep/src/com/android/quickstep/views/FloatingTaskView.java
index 5a86464..325ec04 100644
--- a/quickstep/src/com/android/quickstep/views/FloatingTaskView.java
+++ b/quickstep/src/com/android/quickstep/views/FloatingTaskView.java
@@ -15,6 +15,8 @@
 import android.widget.FrameLayout;
 import android.widget.ImageView;
 
+import androidx.annotation.Nullable;
+
 import com.android.launcher3.InsettableFrameLayout;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherAnimUtils;
@@ -51,11 +53,11 @@
         this(context, null);
     }
 
-    public FloatingTaskView(Context context, AttributeSet attrs) {
+    public FloatingTaskView(Context context, @Nullable AttributeSet attrs) {
         this(context, attrs, 0);
     }
 
-    public FloatingTaskView(Context context, AttributeSet attrs, int defStyleAttr) {
+    public FloatingTaskView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr);
         mLauncher = Launcher.getLauncher(context);
         mIsRtl = Utilities.isRtl(getResources());
@@ -69,9 +71,34 @@
         mImageView.setLayerType(LAYER_TYPE_HARDWARE, null);
         mSplitPlaceholderView = findViewById(R.id.split_placeholder);
         mSplitPlaceholderView.setAlpha(0);
-        mSplitPlaceholderView.setBackgroundColor(getResources().getColor(android.R.color.white));
     }
 
+    private void init(StatefulActivity launcher, TaskView originalView, RectF positionOut) {
+        mStartingPosition = positionOut;
+        updateInitialPositionForView(originalView);
+        final InsettableFrameLayout.LayoutParams lp =
+                (InsettableFrameLayout.LayoutParams) getLayoutParams();
+
+        mSplitPlaceholderView.setLayoutParams(new FrameLayout.LayoutParams(lp.width, lp.height));
+        positionOut.round(mOutline);
+        setPivotX(0);
+        setPivotY(0);
+
+        // Copy bounds of exiting thumbnail into ImageView
+        TaskThumbnailView thumbnail = originalView.getThumbnail();
+        mImageView.setImageBitmap(thumbnail.getThumbnail());
+        mImageView.setVisibility(VISIBLE);
+
+        mOrientationHandler = originalView.getRecentsView().getPagedOrientationHandler();
+        mSplitPlaceholderView.setIconView(originalView.getIconView(),
+                launcher.getDeviceProfile().overviewTaskIconDrawableSizePx);
+        mSplitPlaceholderView.getIconView().setRotation(mOrientationHandler.getDegreesRotated());
+    }
+
+    /**
+     * Configures and returns a an instance of {@link FloatingTaskView} initially matching the
+     * appearance of {@code originalView}.
+     */
     public static FloatingTaskView getFloatingTaskView(StatefulActivity launcher,
             TaskView originalView, RectF positionOut) {
         final BaseDragLayer dragLayer = launcher.getDragLayer();
@@ -79,28 +106,7 @@
         final FloatingTaskView floatingView = (FloatingTaskView) launcher.getLayoutInflater()
                 .inflate(R.layout.floating_split_select_view, parent, false);
 
-        floatingView.mStartingPosition = positionOut;
-        floatingView.updateInitialPositionForView(originalView);
-        final InsettableFrameLayout.LayoutParams lp =
-                (InsettableFrameLayout.LayoutParams) floatingView.getLayoutParams();
-
-        floatingView.mSplitPlaceholderView.setLayoutParams(
-                new FrameLayout.LayoutParams(lp.width, lp.height));
-        positionOut.round(floatingView.mOutline);
-        floatingView.setPivotX(0);
-        floatingView.setPivotY(0);
-
-        // Copy bounds of exiting thumbnail into ImageView
-        TaskThumbnailView thumbnail = originalView.getThumbnail();
-        floatingView.mImageView.setImageBitmap(thumbnail.getThumbnail());
-        floatingView.mImageView.setVisibility(VISIBLE);
-
-        floatingView.mOrientationHandler =
-                originalView.getRecentsView().getPagedOrientationHandler();
-        floatingView.mSplitPlaceholderView.setIconView(originalView.getIconView(),
-                launcher.getDeviceProfile().overviewTaskIconDrawableSizePx);
-        floatingView.mSplitPlaceholderView.getIconView()
-                .setRotation(floatingView.mOrientationHandler.getDegreesRotated());
+        floatingView.init(launcher, originalView, positionOut);
         parent.addView(floatingView);
         return floatingView;
     }
diff --git a/quickstep/src/com/android/quickstep/views/FloatingWidgetBackgroundView.java b/quickstep/src/com/android/quickstep/views/FloatingWidgetBackgroundView.java
index 1548268..c3b166f 100644
--- a/quickstep/src/com/android/quickstep/views/FloatingWidgetBackgroundView.java
+++ b/quickstep/src/com/android/quickstep/views/FloatingWidgetBackgroundView.java
@@ -27,6 +27,8 @@
 import android.view.ViewOutlineProvider;
 import android.widget.RemoteViews.RemoteViewOutlineProvider;
 
+import androidx.annotation.Nullable;
+
 import com.android.launcher3.widget.LauncherAppWidgetHostView;
 import com.android.launcher3.widget.RoundedCornerEnforcement;
 
@@ -42,7 +44,9 @@
     private final DrawableProperties mForegroundProperties = new DrawableProperties();
     private final DrawableProperties mBackgroundProperties = new DrawableProperties();
 
+    @Nullable
     private Drawable mOriginalForeground;
+    @Nullable
     private Drawable mOriginalBackground;
     private float mFinalRadius;
     private float mInitialOutlineRadius;
@@ -50,7 +54,7 @@
     private boolean mIsUsingFallback;
     private View mSourceView;
 
-    FloatingWidgetBackgroundView(Context context, AttributeSet attrs, int defStyleAttr) {
+    FloatingWidgetBackgroundView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr);
         setOutlineProvider(new ViewOutlineProvider() {
             @Override
@@ -161,8 +165,10 @@
 
     /** Stores and modifies a drawable's properties through an animation. */
     private static class DrawableProperties {
+        @Nullable
         private Drawable mDrawable;
         private float mOriginalRadius;
+        @Nullable
         private float[] mOriginalRadii;
         private final float[] mTmpRadii = new float[8];
 
diff --git a/quickstep/src/com/android/quickstep/views/FloatingWidgetView.java b/quickstep/src/com/android/quickstep/views/FloatingWidgetView.java
index 88b11a0..8a5f42a 100644
--- a/quickstep/src/com/android/quickstep/views/FloatingWidgetView.java
+++ b/quickstep/src/com/android/quickstep/views/FloatingWidgetView.java
@@ -30,6 +30,8 @@
 import android.view.ViewTreeObserver.OnGlobalLayoutListener;
 import android.widget.FrameLayout;
 
+import androidx.annotation.Nullable;
+
 import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
@@ -55,10 +57,14 @@
     private LauncherAppWidgetHostView mAppWidgetView;
     private View mAppWidgetBackgroundView;
     private RectF mBackgroundPosition;
+    @Nullable
     private GhostView mForegroundOverlayView;
 
+    @Nullable
     private Runnable mEndRunnable;
+    @Nullable
     private Runnable mFastFinishRunnable;
+    @Nullable
     private Runnable mOnTargetChangeRunnable;
     private boolean mAppTargetIsTranslucent;
 
@@ -68,11 +74,11 @@
         this(context, null);
     }
 
-    public FloatingWidgetView(Context context, AttributeSet attrs) {
+    public FloatingWidgetView(Context context, @Nullable AttributeSet attrs) {
         this(context, attrs, 0);
     }
 
-    public FloatingWidgetView(Context context, AttributeSet attrs, int defStyleAttr) {
+    public FloatingWidgetView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr);
         mLauncher = Launcher.getLauncher(context);
         mListenerView = new ListenerView(context, attrs);
diff --git a/quickstep/src/com/android/quickstep/views/GroupedTaskView.java b/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
index c0b66f4..4771d1e 100644
--- a/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
+++ b/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
@@ -4,7 +4,6 @@
 import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_TOP_OR_LEFT;
 
 import android.content.Context;
-import android.graphics.Rect;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
 
@@ -14,7 +13,6 @@
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.R;
 import com.android.launcher3.util.RunnableList;
-import com.android.launcher3.util.SplitConfigurationOptions;
 import com.android.launcher3.util.SplitConfigurationOptions.StagedSplitBounds;
 import com.android.launcher3.util.TransformingTouchDelegate;
 import com.android.quickstep.RecentsModel;
@@ -40,16 +38,17 @@
  */
 public class GroupedTaskView extends TaskView {
 
+    @Nullable
     private Task mSecondaryTask;
     private TaskThumbnailView mSnapshotView2;
     private IconView mIconView2;
+    @Nullable
     private CancellableTask<ThumbnailData> mThumbnailLoadRequest2;
+    @Nullable
     private CancellableTask mIconLoadRequest2;
     private final float[] mIcon2CenterCoords = new float[2];
     private TransformingTouchDelegate mIcon2TouchDelegate;
     @Nullable private StagedSplitBounds mSplitBoundsConfig;
-    private final Rect mPrimaryTempRect = new Rect();
-    private final Rect mSecondaryTempRect = new Rect();
 
     public GroupedTaskView(Context context) {
         super(context);
@@ -72,12 +71,12 @@
     }
 
     public void bind(Task primary, Task secondary, RecentsOrientedState orientedState,
-            StagedSplitBounds splitBoundsConfig) {
+            @Nullable StagedSplitBounds splitBoundsConfig) {
         super.bind(primary, orientedState);
         mSecondaryTask = secondary;
         mTaskIdContainer[1] = secondary.key.id;
         mTaskIdAttributeContainer[1] = new TaskIdAttributeContainer(secondary, mSnapshotView2,
-                STAGE_POSITION_BOTTOM_OR_RIGHT);
+                mIconView2, STAGE_POSITION_BOTTOM_OR_RIGHT);
         mTaskIdAttributeContainer[0].setStagePosition(STAGE_POSITION_TOP_OR_LEFT);
         mSnapshotView2.bind(secondary);
         mSplitBoundsConfig = splitBoundsConfig;
@@ -118,14 +117,6 @@
         }
     }
 
-    protected boolean showTaskMenuWithContainer(IconView iconView) {
-        if (mActivity.getDeviceProfile().overviewShowAsGrid) {
-            return TaskMenuViewWithArrow.Companion.showForTask(mTaskIdAttributeContainer[0]);
-        } else {
-            return TaskMenuView.showForTask(mTaskIdAttributeContainer[0]);
-        }
-    }
-
     public void updateSplitBoundsConfig(StagedSplitBounds stagedSplitBounds) {
         mSplitBoundsConfig = stagedSplitBounds;
         invalidate();
@@ -154,10 +145,11 @@
         }
     }
 
+    @Nullable
     @Override
     public RunnableList launchTaskAnimated() {
-        getRecentsView().getSplitPlaceholder().launchTasks(mTask, mSecondaryTask,
-                STAGE_POSITION_TOP_OR_LEFT, null /*callback*/,
+        getRecentsView().getSplitPlaceholder().launchTasks(this /*groupedTaskView*/,
+                null /*callback*/,
                 false /* freezeTaskList */);
         return null;
     }
@@ -169,7 +161,7 @@
     }
 
     @Override
-    void refreshThumbnails(HashMap<Integer, ThumbnailData> thumbnailDatas) {
+    void refreshThumbnails(@Nullable HashMap<Integer, ThumbnailData> thumbnailDatas) {
         super.refreshThumbnails(thumbnailDatas);
         if (mSecondaryTask != null && thumbnailDatas != null) {
             final ThumbnailData thumbnailData = thumbnailDatas.get(mSecondaryTask.key.id);
@@ -236,10 +228,14 @@
         int taskIconHeight = deviceProfile.overviewTaskIconSizePx;
         boolean isRtl = getLayoutDirection() == LAYOUT_DIRECTION_RTL;
 
-        mSnapshotView.getBoundsOnScreen(mPrimaryTempRect);
-        mSnapshotView2.getBoundsOnScreen(mSecondaryTempRect);
         getPagedOrientationHandler().setSplitIconParams(mIconView, mIconView2,
-                taskIconHeight, mPrimaryTempRect, mSecondaryTempRect,
+                taskIconHeight, mSnapshotView.getWidth(), mSnapshotView.getHeight(),
                 isRtl, deviceProfile, mSplitBoundsConfig);
     }
+
+    @Override
+    protected void updateSnapshotRadius() {
+        super.updateSnapshotRadius();
+        mSnapshotView2.setFullscreenParams(mCurrentFullscreenParams);
+    }
 }
diff --git a/quickstep/src/com/android/quickstep/views/IconView.java b/quickstep/src/com/android/quickstep/views/IconView.java
index 813e653..5895c05 100644
--- a/quickstep/src/com/android/quickstep/views/IconView.java
+++ b/quickstep/src/com/android/quickstep/views/IconView.java
@@ -23,6 +23,8 @@
 import android.view.Gravity;
 import android.view.View;
 
+import androidx.annotation.Nullable;
+
 import com.android.launcher3.Utilities;
 
 /**
@@ -31,6 +33,7 @@
  */
 public class IconView extends View {
 
+    @Nullable
     private Drawable mDrawable;
     private int mDrawableWidth, mDrawableHeight;
 
@@ -46,7 +49,10 @@
         super(context, attrs, defStyleAttr);
     }
 
-    public void setDrawable(Drawable d) {
+    /**
+     * Sets a {@link Drawable} to be displayed.
+     */
+    public void setDrawable(@Nullable Drawable d) {
         if (mDrawable != null) {
             mDrawable.setCallback(null);
         }
@@ -76,10 +82,19 @@
         mDrawable.setBounds(drawableRect);
     }
 
+    @Nullable
     public Drawable getDrawable() {
         return mDrawable;
     }
 
+    public int getDrawableWidth() {
+        return mDrawableWidth;
+    }
+
+    public int getDrawableHeight() {
+        return mDrawableHeight;
+    }
+
     @Override
     protected void onSizeChanged(int w, int h, int oldw, int oldh) {
         super.onSizeChanged(w, h, oldw, oldh);
diff --git a/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java b/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
index 715d30e..3cba392 100644
--- a/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
@@ -21,6 +21,7 @@
 import static com.android.launcher3.LauncherState.OVERVIEW_MODAL_TASK;
 import static com.android.launcher3.LauncherState.OVERVIEW_SPLIT_SELECT;
 import static com.android.launcher3.LauncherState.SPRING_LOADED;
+import static com.android.quickstep.ViewUtils.postFrameDrawn;
 
 import android.annotation.TargetApi;
 import android.content.Context;
@@ -30,6 +31,8 @@
 import android.view.MotionEvent;
 import android.view.Surface;
 
+import androidx.annotation.Nullable;
+
 import com.android.launcher3.BaseQuickstepLauncher;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.statehandlers.DepthController;
@@ -49,11 +52,11 @@
         this(context, null);
     }
 
-    public LauncherRecentsView(Context context, AttributeSet attrs) {
+    public LauncherRecentsView(Context context, @Nullable AttributeSet attrs) {
         this(context, attrs, 0);
     }
 
-    public LauncherRecentsView(Context context, AttributeSet attrs, int defStyleAttr) {
+    public LauncherRecentsView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr, LauncherActivityInterface.INSTANCE);
         mActivity.getStateManager().addStateListener(this);
     }
@@ -102,8 +105,14 @@
 
     @Override
     public void onStateTransitionComplete(LauncherState finalState) {
-        setOverlayEnabled(finalState == OVERVIEW || finalState == OVERVIEW_MODAL_TASK);
+        boolean isOverlayEnabled = finalState == OVERVIEW || finalState == OVERVIEW_MODAL_TASK;
+        setOverlayEnabled(isOverlayEnabled);
         setFreezeViewVisibility(false);
+
+        if (isOverlayEnabled) {
+            postFrameDrawn(this, () -> runActionOnRemoteHandles(remoteTargetHandle ->
+                    remoteTargetHandle.getTaskViewSimulator().setDrawsBelowRecents(true)));
+        }
     }
 
     @Override
diff --git a/quickstep/src/com/android/quickstep/views/OverviewActionsView.java b/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
index 5c0b50c..b6bf59f 100644
--- a/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
+++ b/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
@@ -20,7 +20,6 @@
 import android.content.res.Configuration;
 import android.graphics.Rect;
 import android.util.AttributeSet;
-import android.util.Log;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.FrameLayout;
@@ -31,7 +30,6 @@
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Insettable;
 import com.android.launcher3.R;
-import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.util.MultiValueAlpha;
 import com.android.launcher3.util.MultiValueAlpha.AlphaProperty;
 import com.android.quickstep.SysUINavigationMode;
@@ -90,8 +88,10 @@
     @ActionsDisabledFlags
     protected int mDisabledFlags;
 
+    @Nullable
     protected T mCallbacks;
 
+    @Nullable
     protected DeviceProfile mDp;
 
     public OverviewActionsView(Context context) {
@@ -112,10 +112,6 @@
     protected void onFinishInflate() {
         super.onFinishInflate();
         findViewById(R.id.action_screenshot).setOnClickListener(this);
-        if (TestProtocol.sDebugTracing) {
-            Log.d(TestProtocol.NO_SCREENSHOT, "Inflated OverviewActionsView and added screenshot"
-                    + " listener.");
-        }
 
         mSplitButton = findViewById(R.id.action_split);
         mSplitButton.setOnClickListener(this);
@@ -127,19 +123,11 @@
      * @param callbacks for callbacks, or {@code null} to clear the listener.
      */
     public void setCallbacks(T callbacks) {
-        if (TestProtocol.sDebugTracing) {
-            Log.d(TestProtocol.NO_SCREENSHOT, "OverviewActionsView setCallbacks: " + callbacks);
-        }
         mCallbacks = callbacks;
     }
 
     @Override
     public void onClick(View view) {
-        if (TestProtocol.sDebugTracing) {
-            Log.d(TestProtocol.NO_SCREENSHOT, "OverviewActionsView - onClick"
-                    + " callbacks: " + mCallbacks + "  view id: " + view.getId() + " "
-                    + " is screenshot? " + (view.getId() == R.id.action_screenshot));
-        }
         if (mCallbacks == null) {
             return;
         }
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index 72e01bb..4b9b8a4 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -157,6 +157,7 @@
 import com.android.quickstep.TaskThumbnailCache;
 import com.android.quickstep.TaskViewUtils;
 import com.android.quickstep.ViewUtils;
+import com.android.quickstep.util.GroupTask;
 import com.android.quickstep.util.LayoutUtils;
 import com.android.quickstep.util.RecentsOrientedState;
 import com.android.quickstep.util.SplitScreenBounds;
@@ -166,7 +167,6 @@
 import com.android.quickstep.util.TransformParams;
 import com.android.quickstep.util.VibratorWrapper;
 import com.android.systemui.plugins.ResourceProvider;
-import com.android.quickstep.util.GroupTask;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.recents.model.Task.TaskKey;
 import com.android.systemui.shared.recents.model.ThumbnailData;
@@ -383,7 +383,9 @@
 
     protected final RecentsOrientedState mOrientationState;
     protected final BaseActivityInterface<STATE_TYPE, ACTIVITY_TYPE> mSizeStrategy;
+    @Nullable
     protected RecentsAnimationController mRecentsAnimationController;
+    @Nullable
     protected SurfaceTransactionApplier mSyncTransactionApplier;
     protected int mTaskWidth;
     protected int mTaskHeight;
@@ -394,12 +396,15 @@
     // mTaskGridVerticalDiff and mTopBottomRowHeightDiff summed together provides the top
     // position for bottom row of grid tasks.
 
+    @Nullable
     protected RemoteTargetHandle[] mRemoteTargetHandles;
     protected final Rect mLastComputedTaskSize = new Rect();
     protected final Rect mLastComputedGridSize = new Rect();
     protected final Rect mLastComputedGridTaskSize = new Rect();
     // How much a task that is directly offscreen will be pushed out due to RecentsView scale/pivot.
+    @Nullable
     protected Float mLastComputedTaskStartPushOutDistance = null;
+    @Nullable
     protected Float mLastComputedTaskEndPushOutDistance = null;
     protected boolean mEnableDrawingLiveTile = false;
     protected final Rect mTempRect = new Rect();
@@ -454,11 +459,13 @@
     private final IntSet mTopRowIdSet = new IntSet();
 
     // The GestureEndTarget that is still in progress.
+    @Nullable
     protected GestureState.GestureEndTarget mCurrentGestureEndTarget;
 
     // TODO(b/187528071): Remove these and replace with a real scrim.
     private float mColorTint;
     private final int mTintingColor;
+    @Nullable
     private ObjectAnimator mTintingAnimator;
 
     private int mOverScrollShift = 0;
@@ -542,6 +549,7 @@
     private int mTaskViewIdCount;
     private final int[] INVALID_TASK_IDS = new int[]{-1, -1};
     protected boolean mRunningTaskTileHidden;
+    @Nullable
     private Task[] mTmpRunningTasks;
     protected int mFocusedTaskViewId = -1;
 
@@ -556,7 +564,9 @@
     private int mDownX;
     private int mDownY;
 
+    @Nullable
     private PendingAnimation mPendingAnimation;
+    @Nullable
     private LayoutTransition mLayoutTransition;
 
     @ViewDebug.ExportedProperty(category = "launcher")
@@ -581,7 +591,9 @@
     private final Point mLastMeasureSize = new Point();
     private final int mEmptyMessagePadding;
     private boolean mShowEmptyMessage;
+    @Nullable
     private OnEmptyMessageUpdatedListener mOnEmptyMessageUpdatedListener;
+    @Nullable
     private Layout mEmptyTextLayout;
 
     /**
@@ -596,8 +608,11 @@
      * ensure this View doesn't go back into the {@link #mTaskViewPool},
      * see {@link #onViewRemoved(View)}
      */
+    @Nullable
     private TaskView mSplitHiddenTaskView;
+    @Nullable
     private TaskView mSecondSplitHiddenTaskView;
+    @Nullable
     private StagedSplitBounds mSplitBoundsConfig;
     private final Toast mSplitToast = Toast.makeText(getContext(),
             R.string.toast_split_select_app, Toast.LENGTH_SHORT);
@@ -613,12 +628,15 @@
      * removed from recentsView
      */
     private int mSplitHiddenTaskViewIndex;
+    @Nullable
     private FloatingTaskView mFirstFloatingTaskView;
+    @Nullable
     private FloatingTaskView mSecondFloatingTaskView;
 
     /**
      * The task to be removed and immediately re-added. Should not be added to task pool.
      */
+    @Nullable
     private TaskView mMovingTaskView;
 
     private OverviewActionsView mActionsView;
@@ -638,10 +656,12 @@
                 }
             };
 
+    @Nullable
     private RunnableList mSideTaskLaunchCallback;
+    @Nullable
     private TaskLaunchListener mTaskLaunchListener;
 
-    public RecentsView(Context context, AttributeSet attrs, int defStyleAttr,
+    public RecentsView(Context context, @Nullable AttributeSet attrs, int defStyleAttr,
             BaseActivityInterface sizeStrategy) {
         super(context, attrs, defStyleAttr);
         setEnableFreeScroll(true);
@@ -727,7 +747,7 @@
 
             int primarySize = mOrientationHandler.getPrimaryValue(getWidth(), getHeight());
             int scroll = OverScroll.dampedScroll(getUndampedOverScrollShift(), primarySize);
-            mOrientationHandler.set(canvas, CANVAS_TRANSLATE, scroll);
+            mOrientationHandler.setPrimary(canvas, CANVAS_TRANSLATE, scroll);
 
             if (mOverScrollShift != scroll) {
                 mOverScrollShift = scroll;
@@ -782,6 +802,7 @@
     }
 
     @Override
+    @Nullable
     public Task onTaskThumbnailChanged(int taskId, ThumbnailData thumbnailData) {
         if (mHandleTaskStackChanges) {
             TaskView taskView = getTaskViewByTaskId(taskId);
@@ -817,6 +838,7 @@
      * Update the thumbnail of the task.
      * @param refreshNow Refresh immediately if it's true.
      */
+    @Nullable
     public TaskView updateThumbnail(int taskId, ThumbnailData thumbnailData, boolean refreshNow) {
         TaskView taskView = getTaskViewByTaskId(taskId);
         if (taskView != null) {
@@ -1017,9 +1039,13 @@
         }
     }
 
+    @Nullable
     private TaskView getLastGridTaskView() {
-        IntArray topRowIdArray = getTopRowIdArray();
-        IntArray bottomRowIdArray = getBottomRowIdArray();
+        return getLastGridTaskView(getTopRowIdArray(), getBottomRowIdArray());
+    }
+
+    @Nullable
+    private TaskView getLastGridTaskView(IntArray topRowIdArray, IntArray bottomRowIdArray) {
         if (topRowIdArray.isEmpty() && bottomRowIdArray.isEmpty()) {
             return null;
         }
@@ -1068,6 +1094,10 @@
         return getScrollForPage(taskIndex) == getPagedOrientationHandler().getPrimaryScroll(this);
     }
 
+    /**
+     * Returns a {@link TaskView} that has taskId matching {@code taskId} or null if no match.
+     */
+    @Nullable
     public TaskView getTaskViewByTaskId(int taskId) {
         if (taskId == -1) {
             return null;
@@ -1307,6 +1337,7 @@
             return;
         }
 
+        mLoadPlanEverApplied = true;
         if (taskGroups == null || taskGroups.isEmpty()) {
             removeTasksViewsAndClearAllButton();
             onTaskStackUpdated();
@@ -1409,7 +1440,6 @@
         resetTaskVisuals();
         onTaskStackUpdated();
         updateEnabledOverlays();
-        mLoadPlanEverApplied = true;
     }
 
     private boolean isModal() {
@@ -1478,17 +1508,6 @@
             }
         }
         if (ENABLE_QUICKSTEP_LIVE_TILE.get()) {
-            // Since we reuse the same mLiveTileTaskViewSimulator in the RecentsView, we need
-            // to reset the params after it settles in Overview from swipe up so that we don't
-            // render with obsolete param values.
-            runActionOnRemoteHandles(remoteTargetHandle -> {
-                TaskViewSimulator simulator = remoteTargetHandle.getTaskViewSimulator();
-                simulator.taskPrimaryTranslation.value = 0;
-                simulator.taskSecondaryTranslation.value = 0;
-                simulator.fullScreenProgress.value = 0;
-                simulator.recentsViewScale.value = 1;
-            });
-
             // Similar to setRunningTaskHidden below, reapply the state before runningTaskView is
             // null.
             if (!mRunningTaskShowScreenshot) {
@@ -1876,8 +1895,9 @@
         setEnableDrawingLiveTile(false);
         runActionOnRemoteHandles(remoteTargetHandle -> {
             remoteTargetHandle.getTransformParams().setTargetSet(null);
-            remoteTargetHandle.getTaskViewSimulator().setDrawsBelowRecents(true);
+            remoteTargetHandle.getTaskViewSimulator().setDrawsBelowRecents(false);
         });
+        resetFromSplitSelectionState();
         mSplitSelectStateController.resetState();
 
         // These are relatively expensive and don't need to be done this frame (RecentsView isn't
@@ -1918,6 +1938,7 @@
         return getTaskViewFromTaskViewId(mFocusedTaskViewId);
     }
 
+    @Nullable
     private TaskView getTaskViewFromTaskViewId(int taskViewId) {
         if (taskViewId == -1) {
             return null;
@@ -2591,10 +2612,8 @@
                         clampToProgress(FINAL_FRAME, 0, 0.5f));
             });
         }
-        boolean isTaskInBottomGridRow = showAsGrid() && !mTopRowIdSet.contains(
-                taskView.getTaskViewId()) && taskView.getTaskViewId() != mFocusedTaskViewId;
         anim.setFloat(taskView, VIEW_ALPHA, 0,
-                clampToProgress(isTaskInBottomGridRow ? ACCEL : FINAL_FRAME, 0, 0.5f));
+                clampToProgress(isOnGridBottomRow(taskView) ? ACCEL : FINAL_FRAME, 0, 0.5f));
         FloatProperty<TaskView> secondaryViewTranslate =
                 taskView.getSecondaryDissmissTranslationProperty();
         int secondaryTaskDimension = mOrientationHandler.getSecondaryDimension(taskView);
@@ -2985,6 +3004,10 @@
 
             @SuppressWarnings("WrongCall")
             private void onEnd(boolean success) {
+                // Reset task translations as they may have updated via animations in
+                // createTaskDismissAnimation
+                resetTaskVisuals();
+
                 if (success) {
                     if (shouldRemoveTask) {
                         if (dismissedTaskView.getTask() != null) {
@@ -3001,10 +3024,6 @@
                         }
                     }
 
-                    // Reset task translations as they may have updated via animations in
-                    // createTaskDismissAnimation
-                    resetTaskVisuals();
-
                     int pageToSnapTo = mCurrentPage;
                     mCurrentPageScrollDiff = 0;
                     int taskViewIdToSnapTo = -1;
@@ -3086,12 +3105,17 @@
                     } else if (dismissedIndex < pageToSnapTo || pageToSnapTo == taskCount - 1) {
                         pageToSnapTo--;
                     }
+                    boolean isHomeTaskDismissed = dismissedTaskView == getHomeTaskView();
                     removeViewInLayout(dismissedTaskView);
                     mTopRowIdSet.remove(dismissedTaskViewId);
 
                     if (taskCount == 1) {
                         removeViewInLayout(mClearAllButton);
-                        startHome();
+                        if (isHomeTaskDismissed) {
+                            updateEmptyMessage();
+                        } else {
+                            startHome();
+                        }
                     } else {
                         // Update focus task and its size.
                         if (finalIsFocusedTaskDismissed) {
@@ -3145,38 +3169,23 @@
                                 }
                             }
 
-                            TaskView newLastGridTaskView = getLastGridTaskView();
+                            IntArray topRowIdArray = getTopRowIdArray();
+                            IntArray bottomRowIdArray = getBottomRowIdArray();
                             if (finalSnapToLastTask) {
                                 // If snapping to last task, find the last task after dismissal.
-                                pageToSnapTo = indexOfChild(newLastGridTaskView);
+                                pageToSnapTo = indexOfChild(
+                                        getLastGridTaskView(topRowIdArray, bottomRowIdArray));
                             } else if (taskViewIdToSnapTo != -1) {
                                 // If snapping to another page due to indices rearranging, find
                                 // the new index after dismissal & rearrange using the task view id.
                                 pageToSnapTo = indexOfChild(
                                         getTaskViewFromTaskViewId(taskViewIdToSnapTo));
-                                int taskViewToSnapToScroll = getScrollForPage(pageToSnapTo);
-                                int lastGridTaskScroll = getScrollForPage(
-                                        indexOfChild(newLastGridTaskView));
-                                if (!currentPageSnapsToEndOfGrid
-                                        && taskViewToSnapToScroll == lastGridTaskScroll) {
+                                if (!currentPageSnapsToEndOfGrid) {
                                     // If it wasn't snapped to one of the last pages, but is now
                                     // snapped to last pages, we'll need to compensate for the
-                                    // difference as last pages' scroll is the position where
-                                    // ClearAllButton is barely invisible, instead of aligned to
-                                    // mLastComputedTaskSize.
-                                    int normalTaskEnd = mIsRtl
-                                            ? mLastComputedTaskSize.right
-                                            : mLastComputedTaskSize.left;
-                                    int lastTaskStart = mIsRtl
-                                            ? mLastComputedGridSize.left
-                                            : mLastComputedGridSize.right;
-                                    // As snapped task is not the last task, it can only be the
-                                    // second last task.
-                                    int distanceToSnappedTaskEnd =
-                                            (mPageSpacing + mLastComputedGridTaskSize.width()) * 2;
-                                    int snappedTaskEnd = lastTaskStart + (mIsRtl
-                                            ? distanceToSnappedTaskEnd : -distanceToSnappedTaskEnd);
-                                    mCurrentPageScrollDiff += snappedTaskEnd - normalTaskEnd;
+                                    // offset from the page's scroll to its visual position.
+                                    mCurrentPageScrollDiff += getOffsetFromScrollPosition(
+                                            pageToSnapTo, topRowIdArray, bottomRowIdArray);
                                 }
                             }
                         }
@@ -4346,15 +4355,22 @@
         RemoteTargetGluer gluer = new RemoteTargetGluer(getContext(), getSizeStrategy());
         mRemoteTargetHandles = gluer.assignTargetsForSplitScreen(recentsAnimationTargets);
         mSplitBoundsConfig = gluer.getStagedSplitBounds();
-        if (mSyncTransactionApplier != null) {
-            // Add release check to the targets from the RemoteTargetGluer and not the targets
-            // passed in because in the event we're in split screen, we use the passed in targets
-            // to create new RemoteAnimationTargets in assignTargetsForSplitScreen(), and the
-            // mSyncTransactionApplier doesn't get transferred over
-            runActionOnRemoteHandles(remoteTargetHandle -> remoteTargetHandle
-                    .getTransformParams().getTargetSet()
-                    .addReleaseCheck(mSyncTransactionApplier));
-        }
+        // Add release check to the targets from the RemoteTargetGluer and not the targets
+        // passed in because in the event we're in split screen, we use the passed in targets
+        // to create new RemoteAnimationTargets in assignTargetsForSplitScreen(), and the
+        // mSyncTransactionApplier doesn't get transferred over
+        runActionOnRemoteHandles(remoteTargetHandle -> {
+            final TransformParams params = remoteTargetHandle.getTransformParams();
+            if (mSyncTransactionApplier != null) {
+                params.setSyncTransactionApplier(mSyncTransactionApplier);
+                params.getTargetSet().addReleaseCheck(mSyncTransactionApplier);
+            }
+
+            TaskViewSimulator tvs = remoteTargetHandle.getTaskViewSimulator();
+            tvs.setOrientationState(mOrientationState);
+            tvs.setDp(mActivity.getDeviceProfile());
+            tvs.recentsViewScale.value = 1;
+        });
 
         TaskView runningTaskView = getRunningTaskView();
         if (runningTaskView instanceof GroupedTaskView) {
@@ -4364,13 +4380,6 @@
             // notified.
             ((GroupedTaskView) runningTaskView).updateSplitBoundsConfig(mSplitBoundsConfig);
         }
-        for (RemoteTargetHandle remoteTargetHandle : mRemoteTargetHandles) {
-            TaskViewSimulator tvs = remoteTargetHandle.getTaskViewSimulator();
-            tvs.setOrientationState(mOrientationState);
-            tvs.setDp(mActivity.getDeviceProfile());
-            tvs.setDrawsBelowRecents(true);
-            tvs.recentsViewScale.value = 1;
-        }
     }
 
     /** Helper to avoid writing some for-loops to iterate over {@link #mRemoteTargetHandles} */
@@ -4384,12 +4393,15 @@
         }
     }
 
-    public void finishRecentsAnimation(boolean toRecents, Runnable onFinishComplete) {
+    /**
+     * Finish recents animation.
+     */
+    public void finishRecentsAnimation(boolean toRecents, @Nullable Runnable onFinishComplete) {
         finishRecentsAnimation(toRecents, true /* shouldPip */, onFinishComplete);
     }
 
     public void finishRecentsAnimation(boolean toRecents, boolean shouldPip,
-            Runnable onFinishComplete) {
+            @Nullable Runnable onFinishComplete) {
         // TODO(b/197232424#comment#10) Move this back into onRecentsAnimationComplete(). Maybe?
         cleanupRemoteTargets();
         if (!toRecents && ENABLE_QUICKSTEP_LIVE_TILE.get()) {
@@ -4613,21 +4625,67 @@
                     overScrollShift, getUndampedOverScrollShift());
         }
         return getScrollForPage(pageIndex) - mOrientationHandler.getPrimaryScroll(this)
-                + overScrollShift;
+                + overScrollShift + getOffsetFromScrollPosition(pageIndex);
     }
 
     /**
-     * Returns how many pixels the task is offset on the currently laid out secondary axis
-     * according to {@link #mGridProgress}.
+     * Returns how many pixels the page is offset from its scroll position.
      */
-    public float getGridTranslationSecondary(int pageIndex) {
+    private int getOffsetFromScrollPosition(int pageIndex) {
+        return getOffsetFromScrollPosition(pageIndex, getTopRowIdArray(), getBottomRowIdArray());
+    }
+
+    private int getOffsetFromScrollPosition(
+            int pageIndex, IntArray topRowIdArray, IntArray bottomRowIdArray) {
+        if (!showAsGrid()) {
+            return 0;
+        }
+
         TaskView taskView = getTaskViewAt(pageIndex);
         if (taskView == null) {
             return 0;
         }
 
-        return mOrientationHandler.getSecondaryValue(taskView.getGridTranslationX(),
-                taskView.getGridTranslationY());
+        TaskView lastGridTaskView = getLastGridTaskView(topRowIdArray, bottomRowIdArray);
+        if (lastGridTaskView == null) {
+            return 0;
+        }
+
+        if (getScrollForPage(pageIndex) != getScrollForPage(indexOfChild(lastGridTaskView))) {
+            return 0;
+        }
+
+        // Check distance from lastGridTaskView to taskView.
+        int lastGridTaskViewPosition =
+                getPositionInRow(lastGridTaskView, topRowIdArray, bottomRowIdArray);
+        int taskViewPosition = getPositionInRow(taskView, topRowIdArray, bottomRowIdArray);
+        int gridTaskSizeAndSpacing = mLastComputedGridTaskSize.width() + mPageSpacing;
+        int positionDiff = gridTaskSizeAndSpacing * (lastGridTaskViewPosition - taskViewPosition);
+
+        int lastTaskEnd = (mIsRtl
+                ? mLastComputedGridSize.left
+                : mLastComputedGridSize.right)
+                + (mIsRtl ? mPageSpacing : -mPageSpacing);
+        int taskEnd = lastTaskEnd + (mIsRtl ? positionDiff : -positionDiff);
+        int normalTaskEnd = mIsRtl
+                ? mLastComputedGridTaskSize.left
+                : mLastComputedGridTaskSize.right;
+        return taskEnd - normalTaskEnd;
+    }
+
+    private int getPositionInRow(
+            TaskView taskView, IntArray topRowIdArray, IntArray bottomRowIdArray) {
+        int position = topRowIdArray.indexOf(taskView.getTaskViewId());
+        return position != -1 ? position : bottomRowIdArray.indexOf(taskView.getTaskViewId());
+    }
+
+    /**
+     * @return true if the task in on the top of the grid
+     */
+    public boolean isOnGridBottomRow(TaskView taskView) {
+        return showAsGrid()
+                && !mTopRowIdSet.contains(taskView.getTaskViewId())
+                && taskView.getTaskViewId() != mFocusedTaskViewId;
     }
 
     public Consumer<MotionEvent> getEventDispatcher(float navbarRotation) {
@@ -4901,10 +4959,13 @@
 
     private static class PinnedStackAnimationListener<T extends BaseActivity> extends
             IPipAnimationListener.Stub {
+        @Nullable
         private T mActivity;
+        @Nullable
         private RecentsView mRecentsView;
 
-        public void setActivityAndRecentsView(T activity, RecentsView recentsView) {
+        public void setActivityAndRecentsView(@Nullable T activity,
+                @Nullable RecentsView recentsView) {
             mActivity = activity;
             mRecentsView = recentsView;
         }
diff --git a/quickstep/src/com/android/quickstep/views/SplitPlaceholderView.java b/quickstep/src/com/android/quickstep/views/SplitPlaceholderView.java
index 845e13e..04a5761 100644
--- a/quickstep/src/com/android/quickstep/views/SplitPlaceholderView.java
+++ b/quickstep/src/com/android/quickstep/views/SplitPlaceholderView.java
@@ -40,6 +40,7 @@
                 }
             };
 
+    @Nullable
     private IconView mIconView;
 
     public SplitPlaceholderView(Context context, AttributeSet attrs) {
diff --git a/quickstep/src/com/android/quickstep/views/TaskMenuView.java b/quickstep/src/com/android/quickstep/views/TaskMenuView.java
index d55b89c..853a023 100644
--- a/quickstep/src/com/android/quickstep/views/TaskMenuView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskMenuView.java
@@ -39,6 +39,8 @@
 import android.widget.LinearLayout;
 import android.widget.TextView;
 
+import androidx.annotation.Nullable;
+
 import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.DeviceProfile;
@@ -67,6 +69,7 @@
 
     private BaseDraggingActivity mActivity;
     private TextView mTaskName;
+    @Nullable
     private AnimatorSet mOpenCloseAnimator;
     private TaskView mTaskView;
     private TaskIdAttributeContainer mTaskContainer;
diff --git a/quickstep/src/com/android/quickstep/views/TaskMenuViewWithArrow.kt b/quickstep/src/com/android/quickstep/views/TaskMenuViewWithArrow.kt
index 5059f8b..06a5793 100644
--- a/quickstep/src/com/android/quickstep/views/TaskMenuViewWithArrow.kt
+++ b/quickstep/src/com/android/quickstep/views/TaskMenuViewWithArrow.kt
@@ -23,14 +23,18 @@
 import android.graphics.drawable.ShapeDrawable
 import android.graphics.drawable.shapes.RectShape
 import android.util.AttributeSet
+import android.view.Gravity
 import android.view.MotionEvent
 import android.view.View
 import android.view.ViewGroup
+import android.widget.FrameLayout
 import android.widget.LinearLayout
 import com.android.launcher3.BaseDraggingActivity
 import com.android.launcher3.DeviceProfile
+import com.android.launcher3.InsettableFrameLayout
 import com.android.launcher3.R
 import com.android.launcher3.popup.ArrowPopup
+import com.android.launcher3.popup.RoundedArrowDrawable
 import com.android.launcher3.popup.SystemShortcut
 import com.android.launcher3.util.Themes
 import com.android.quickstep.KtR
@@ -41,34 +45,66 @@
     companion object {
         const val TAG = "TaskMenuViewWithArrow"
 
-        fun showForTask(taskContainer: TaskIdAttributeContainer): Boolean {
+        fun showForTask(
+            taskContainer: TaskIdAttributeContainer,
+            alignSecondRow: Boolean = false
+        ): Boolean {
             val activity = BaseDraggingActivity
-                    .fromContext<BaseDraggingActivity>(taskContainer.taskView.context)
+                .fromContext<BaseDraggingActivity>(taskContainer.taskView.context)
             val taskMenuViewWithArrow = activity.layoutInflater
-                    .inflate(KtR.layout.task_menu_with_arrow, activity.dragLayer, false) as TaskMenuViewWithArrow<*>
+                .inflate(
+                    KtR.layout.task_menu_with_arrow,
+                    activity.dragLayer,
+                    false
+                ) as TaskMenuViewWithArrow<*>
 
-            return taskMenuViewWithArrow.populateAndShowForTask(taskContainer)
+            return taskMenuViewWithArrow.populateAndShowForTask(taskContainer, alignSecondRow)
         }
     }
 
     constructor(context: Context) : super(context)
     constructor(context: Context, attrs: AttributeSet) : super(context, attrs)
-    constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr)
+    constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(
+        context,
+        attrs,
+        defStyleAttr
+    )
 
     init {
         clipToOutline = true
+
+        shouldScaleArrow = true
+        // This synchronizes the arrow and menu to open at the same time
+        OPEN_CHILD_FADE_START_DELAY = OPEN_FADE_START_DELAY
+        OPEN_CHILD_FADE_DURATION = OPEN_FADE_DURATION
+        CLOSE_FADE_START_DELAY = CLOSE_CHILD_FADE_START_DELAY
+        CLOSE_FADE_DURATION = CLOSE_CHILD_FADE_DURATION
     }
 
+    private var alignSecondRow: Boolean = false
+    private val extraSpaceForSecondRowAlignment: Int
+        get() = if (alignSecondRow) optionMeasuredHeight else 0
     private val menuWidth = context.resources.getDimensionPixelSize(R.dimen.task_menu_width_grid)
 
     private lateinit var taskView: TaskView
     private lateinit var optionLayout: LinearLayout
     private lateinit var taskContainer: TaskIdAttributeContainer
 
+    private var optionMeasuredHeight = 0
+    private val arrowHorizontalPadding: Int
+        get() = if (taskView.isFocusedTask)
+            resources.getDimensionPixelSize(KtR.dimen.task_menu_horizontal_padding)
+        else
+            0
+
+    private var iconView: IconView? = null
+    private var scrim: View? = null
+    private val scrimAlpha = 0.8f
+
     override fun isOfType(type: Int): Boolean = type and TYPE_TASK_MENU != 0
 
     override fun getTargetObjectLocation(outPos: Rect?) {
-        popupContainer.getDescendantRectRelativeToSelf(taskView.iconView, outPos)
+        popupContainer.getDescendantRectRelativeToSelf(taskContainer.iconView, outPos)
     }
 
     override fun onControllerInterceptTouchEvent(ev: MotionEvent?): Boolean {
@@ -86,18 +122,35 @@
         optionLayout = findViewById(KtR.id.menu_option_layout)
     }
 
-    private fun populateAndShowForTask(taskContainer: TaskIdAttributeContainer): Boolean {
+    private fun populateAndShowForTask(
+        taskContainer: TaskIdAttributeContainer,
+        alignSecondRow: Boolean
+    ): Boolean {
         if (isAttachedToWindow) {
             return false
         }
 
         taskView = taskContainer.taskView
         this.taskContainer = taskContainer
+        this.alignSecondRow = alignSecondRow
         if (!populateMenu()) return false
+        addScrim()
         show()
         return true
     }
 
+    private fun addScrim() {
+        scrim = View(context).apply {
+            layoutParams = FrameLayout.LayoutParams(
+                FrameLayout.LayoutParams.MATCH_PARENT,
+                FrameLayout.LayoutParams.MATCH_PARENT
+            )
+            setBackgroundColor(Themes.getAttrColor(context, R.attr.overviewScrimColor))
+            alpha = 0f
+        }
+        popupContainer.addView(scrim)
+    }
+
     /** @return true if successfully able to populate task view menu, false otherwise
      */
     private fun populateMenu(): Boolean {
@@ -147,21 +200,145 @@
     }
 
     override fun assignMarginsAndBackgrounds(viewGroup: ViewGroup) {
-        assignMarginsAndBackgrounds(this, Themes.getAttrColor(context, com.android.internal.R.attr.colorSurface))
+        assignMarginsAndBackgrounds(
+            this,
+            Themes.getAttrColor(context, com.android.internal.R.attr.colorSurface)
+        )
     }
 
     override fun onCreateOpenAnimation(anim: AnimatorSet) {
-        anim.play(
-            ObjectAnimator.ofFloat(
-                taskContainer.thumbnailView, TaskThumbnailView.DIM_ALPHA,
-                TaskView.MAX_PAGE_SCRIM_ALPHA
+        scrim?.let {
+            anim.play(
+                ObjectAnimator.ofFloat(it, View.ALPHA, 0f, scrimAlpha)
+                    .setDuration(OPEN_DURATION.toLong())
             )
-        )
+        }
     }
 
     override fun onCreateCloseAnimation(anim: AnimatorSet) {
-        anim.play(
-            ObjectAnimator.ofFloat(taskContainer.thumbnailView, TaskThumbnailView.DIM_ALPHA, 0f)
-        )
+        scrim?.let {
+            anim.play(
+                ObjectAnimator.ofFloat(it, View.ALPHA, scrimAlpha, 0f)
+                    .setDuration(CLOSE_DURATION.toLong())
+            )
+        }
     }
+
+    override fun closeComplete() {
+        super.closeComplete()
+        popupContainer.removeView(scrim)
+        popupContainer.removeView(iconView)
+    }
+
+    /**
+     * Copy the iconView from taskView to dragLayer so it can stay on top of the scrim.
+     * It needs to be called after [getTargetObjectLocation] because [mTempRect] needs to be
+     * populated.
+     */
+    private fun copyIconToDragLayer(insets: Rect) {
+        iconView = IconView(context).apply {
+            layoutParams = FrameLayout.LayoutParams(
+                taskContainer.iconView.width,
+                taskContainer.iconView.height
+            )
+            x = mTempRect.left.toFloat() - insets.left
+            y = mTempRect.top.toFloat() - insets.top
+            drawable = taskContainer.iconView.drawable
+            setDrawableSize(
+                taskContainer.iconView.drawableWidth,
+                taskContainer.iconView.drawableHeight
+            )
+        }
+
+        popupContainer.addView(iconView)
+    }
+
+    /**
+     * Orients this container to the left or right of the given icon, aligning with the first option
+     * or second.
+     *
+     * These are the preferred orientations, in order (RTL prefers right-aligned over left):
+     * - Right and first option aligned
+     * - Right and second option aligned
+     * - Left and first option aligned
+     * - Left and second option aligned
+     *
+     * So we always align right if there is enough horizontal space
+     */
+    override fun orientAboutObject() {
+        measure(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED)
+        // Needed for offsets later
+        optionMeasuredHeight = optionLayout.getChildAt(0).measuredHeight
+        val extraHorizontalSpace = (mArrowHeight + mArrowOffsetVertical + arrowHorizontalPadding)
+
+        val widthWithArrow = measuredWidth + paddingLeft + paddingRight + extraHorizontalSpace
+        getTargetObjectLocation(mTempRect)
+        val dragLayer: InsettableFrameLayout = popupContainer
+        val insets = dragLayer.insets
+
+        copyIconToDragLayer(insets)
+
+        // Put this menu to the right of the icon if there is space,
+        // which means the arrow is left aligned with the menu
+        val rightAlignedMenuStartX = mTempRect.left - widthWithArrow
+        val leftAlignedMenuStartX = mTempRect.right + extraHorizontalSpace
+        mIsLeftAligned = if (mIsRtl) {
+            rightAlignedMenuStartX + insets.left < 0
+        } else {
+            leftAlignedMenuStartX + (widthWithArrow - extraHorizontalSpace) + insets.left <
+                    dragLayer.width - insets.right
+        }
+
+        var menuStartX = if (mIsLeftAligned) leftAlignedMenuStartX else rightAlignedMenuStartX
+
+        // Offset y so that the arrow and row are center-aligned with the original icon.
+        val iconHeight = mTempRect.height()
+        val yOffset = (optionMeasuredHeight - iconHeight) / 2
+        var menuStartY = mTempRect.top - yOffset - extraSpaceForSecondRowAlignment
+
+        // Insets are added later, so subtract them now.
+        menuStartX -= insets.left
+        menuStartY -= insets.top
+
+        x = menuStartX.toFloat()
+        y = menuStartY.toFloat()
+
+        val lp = layoutParams as FrameLayout.LayoutParams
+        val arrowLp = mArrow.layoutParams as FrameLayout.LayoutParams
+        lp.gravity = Gravity.TOP
+        arrowLp.gravity = lp.gravity
+    }
+
+    override fun addArrow() {
+        popupContainer.addView(mArrow)
+        mArrow.x = getArrowX()
+        mArrow.y = y + (optionMeasuredHeight / 2) - (mArrowHeight / 2) +
+                extraSpaceForSecondRowAlignment
+
+        updateArrowColor()
+
+        // This is inverted (x = height, y = width) because the arrow is rotated
+        mArrow.pivotX = if (mIsLeftAligned) 0f else mArrowHeight.toFloat()
+        mArrow.pivotY = 0f
+    }
+
+    private fun getArrowX(): Float {
+        return if (mIsLeftAligned)
+            x - mArrowHeight
+        else
+            x + measuredWidth + mArrowOffsetVertical
+    }
+
+    override fun updateArrowColor() {
+        mArrow.background = RoundedArrowDrawable(
+            mArrowWidth.toFloat(),
+            mArrowHeight.toFloat(),
+            mArrowPointRadius.toFloat(),
+            mIsLeftAligned,
+            mArrowColor
+        )
+        elevation = mElevation
+        mArrow.elevation = mElevation
+    }
+
 }
\ No newline at end of file
diff --git a/quickstep/src/com/android/quickstep/views/TaskThumbnailView.java b/quickstep/src/com/android/quickstep/views/TaskThumbnailView.java
index 2d58ba5..d91669a 100644
--- a/quickstep/src/com/android/quickstep/views/TaskThumbnailView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskThumbnailView.java
@@ -43,6 +43,7 @@
 import android.view.Surface;
 import android.view.View;
 
+import androidx.annotation.Nullable;
 import androidx.annotation.RequiresApi;
 import androidx.core.graphics.ColorUtils;
 
@@ -77,6 +78,7 @@
             };
 
     private final BaseActivity mActivity;
+    @Nullable
     private TaskOverlay mOverlay;
     private final Paint mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
     private final Paint mBackgroundPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
@@ -89,8 +91,11 @@
     private final PreviewPositionHelper mPreviewPositionHelper = new PreviewPositionHelper();
     private TaskView.FullscreenDrawParams mFullscreenParams;
 
+    @Nullable
     private Task mTask;
+    @Nullable
     private ThumbnailData mThumbnailData;
+    @Nullable
     protected BitmapShader mBitmapShader;
 
     /** How much this thumbnail is dimmed, 0 not dimmed at all, 1 totally dimmed. */
@@ -102,11 +107,11 @@
         this(context, null);
     }
 
-    public TaskThumbnailView(Context context, AttributeSet attrs) {
+    public TaskThumbnailView(Context context, @Nullable AttributeSet attrs) {
         this(context, attrs, 0);
     }
 
-    public TaskThumbnailView(Context context, AttributeSet attrs, int defStyleAttr) {
+    public TaskThumbnailView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr);
         mPaint.setFilterBitmap(true);
         mBackgroundPaint.setColor(Color.WHITE);
@@ -140,30 +145,40 @@
      *                   upon swipe up so that a usable screenshot is accessible immediately when
      *                   recents animation needs to be finished / cancelled.
      */
-    public void setThumbnail(Task task, ThumbnailData thumbnailData, boolean refreshNow) {
+    public void setThumbnail(@Nullable Task task, @Nullable ThumbnailData thumbnailData,
+            boolean refreshNow) {
         mTask = task;
+        boolean thumbnailWasNull = mThumbnailData == null;
         mThumbnailData =
                 (thumbnailData != null && thumbnailData.thumbnail != null) ? thumbnailData : null;
         if (refreshNow) {
-            refresh();
+            refresh(thumbnailWasNull && mThumbnailData != null);
         }
     }
 
     /** See {@link #setThumbnail(Task, ThumbnailData, boolean)} */
-    public void setThumbnail(Task task, ThumbnailData thumbnailData) {
+    public void setThumbnail(@Nullable Task task, @Nullable ThumbnailData thumbnailData) {
         setThumbnail(task, thumbnailData, true /* refreshNow */);
     }
 
     /** Updates the shader, paint, matrix to redraw. */
     public void refresh() {
+        refresh(false);
+    }
+
+    /**
+     * Updates the shader, paint, matrix to redraw.
+     * @param shouldRefreshOverlay whether to re-initialize overlay
+     */
+    private void refresh(boolean shouldRefreshOverlay) {
         if (mThumbnailData != null && mThumbnailData.thumbnail != null) {
             Bitmap bm = mThumbnailData.thumbnail;
             bm.prepareToDraw();
             mBitmapShader = new BitmapShader(bm, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
             mPaint.setShader(mBitmapShader);
             updateThumbnailMatrix();
-            if (mOverlayEnabled) {
-                getTaskOverlay().refreshActionVisibility(mThumbnailData);
+            if (shouldRefreshOverlay) {
+                refreshOverlay();
             }
         } else {
             mBitmapShader = null;
@@ -365,6 +380,10 @@
         return Utilities.makeColorTintingColorFilter(mDimColor, dimAmount);
     }
 
+    /**
+     * Returns current thumbnail or null if none is set.
+     */
+    @Nullable
     public Bitmap getThumbnail() {
         if (mThumbnailData == null) {
             return null;
@@ -449,15 +468,36 @@
                 float availableHeight = surfaceHeight
                         - (thumbnailClipHint.top + thumbnailClipHint.bottom);
 
-                if (isRotated) {
-                    float canvasAspect = canvasWidth / (float) canvasHeight;
-                    float availableAspect = availableHeight / availableWidth;
+                float canvasAspect = canvasWidth / (float) canvasHeight;
+                float availableAspect = isRotated
+                        ? availableHeight / availableWidth
+                        : availableWidth / availableHeight;
+                boolean isAspectLargelyDifferent = Utilities.isRelativePercentDifferenceGreaterThan(
+                        canvasAspect, availableAspect, 0.1f);
+                if (isRotated && isAspectLargelyDifferent) {
                     // Do not rotate thumbnail if it would not improve fit
-                    if (Utilities.isRelativePercentDifferenceGreaterThan(canvasAspect,
-                            availableAspect, 0.1f)) {
-                        isRotated = false;
-                        isOrientationDifferent = false;
+                    isRotated = false;
+                    isOrientationDifferent = false;
+                }
+
+                if (isAspectLargelyDifferent) {
+                    // Crop letterbox insets if insets isn't already clipped
+                    if (!TaskView.clipLeft(dp)) {
+                        thumbnailClipHint.left = thumbnailData.letterboxInsets.left;
                     }
+                    if (!TaskView.clipRight(dp)) {
+                        thumbnailClipHint.right = thumbnailData.letterboxInsets.right;
+                    }
+                    if (!TaskView.clipTop(dp)) {
+                        thumbnailClipHint.top = thumbnailData.letterboxInsets.top;
+                    }
+                    if (!TaskView.clipBottom(dp)) {
+                        thumbnailClipHint.bottom = thumbnailData.letterboxInsets.bottom;
+                    }
+                    availableWidth = surfaceWidth
+                            - (thumbnailClipHint.left + thumbnailClipHint.right);
+                    availableHeight = surfaceHeight
+                            - (thumbnailClipHint.top + thumbnailClipHint.bottom);
                 }
 
                 final float targetW, targetH;
@@ -468,30 +508,25 @@
                     targetW = canvasWidth;
                     targetH = canvasHeight;
                 }
-                float canvasAspect = targetW / targetH;
+                float targetAspect = targetW / targetH;
 
                 // Update the clipHint such that
                 //   > the final clipped position has same aspect ratio as requested by canvas
-                //   > the clipped region is within the task insets if possible
-                //   > the clipped region is not scaled up when drawing. If that is not possible
-                //     while staying within the taskInsets, move outside the insets.
+                //   > first fit the width and crop the extra height
+                //   > if that will leave empty space, fit the height and crop the width instead
                 float croppedWidth = availableWidth;
-                if (croppedWidth < targetW) {
-                    croppedWidth = Math.min(targetW, surfaceWidth);
-                }
-
-                float croppedHeight = croppedWidth / canvasAspect;
+                float croppedHeight = croppedWidth / targetAspect;
                 if (croppedHeight > availableHeight) {
                     croppedHeight = availableHeight;
                     if (croppedHeight < targetH) {
                         croppedHeight = Math.min(targetH, surfaceHeight);
                     }
-                    croppedWidth = croppedHeight * canvasAspect;
+                    croppedWidth = croppedHeight * targetAspect;
 
                     // One last check in case the task aspect radio messed up something
                     if (croppedWidth > surfaceWidth) {
                         croppedWidth = surfaceWidth;
-                        croppedHeight = croppedWidth / canvasAspect;
+                        croppedHeight = croppedWidth / targetAspect;
                     }
                 }
 
diff --git a/quickstep/src/com/android/quickstep/views/TaskView.java b/quickstep/src/com/android/quickstep/views/TaskView.java
index 62aa73d..e8077cf 100644
--- a/quickstep/src/com/android/quickstep/views/TaskView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskView.java
@@ -30,6 +30,7 @@
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TASK_LAUNCH_TAP;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
+import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_BOTTOM_OR_RIGHT;
 import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_UNDEFINED;
 
 import static java.lang.annotation.RetentionPolicy.SOURCE;
@@ -38,6 +39,7 @@
 import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
 import android.animation.ObjectAnimator;
+import android.annotation.IdRes;
 import android.app.ActivityOptions;
 import android.content.Context;
 import android.content.Intent;
@@ -92,7 +94,6 @@
 import com.android.quickstep.TaskUtils;
 import com.android.quickstep.TaskViewUtils;
 import com.android.quickstep.util.CancellableTask;
-import com.android.quickstep.util.LauncherSplitScreenListener;
 import com.android.quickstep.util.RecentsOrientedState;
 import com.android.quickstep.util.TaskCornerRadius;
 import com.android.quickstep.util.TransformParams;
@@ -361,6 +362,7 @@
 
     private final TaskOutlineProvider mOutlineProvider;
 
+    @Nullable
     protected Task mTask;
     protected TaskThumbnailView mSnapshotView;
     protected IconView mIconView;
@@ -369,7 +371,7 @@
     private float mGridProgress;
     private float mNonGridScale = 1;
     private float mDismissScale = 1;
-    private final FullscreenDrawParams mCurrentFullscreenParams;
+    protected final FullscreenDrawParams mCurrentFullscreenParams;
     protected final StatefulActivity mActivity;
 
     // Various causes of changing primary translation, which we aggregate to setTranslationX/Y().
@@ -395,6 +397,7 @@
     private float mSplitSelectTranslationX;
     private float mSplitSelectScrollOffsetPrimary;
 
+    @Nullable
     private ObjectAnimator mIconAndDimAnimator;
     private float mIconScaleAnimStartProgress = 0;
     private float mFocusTransitionProgress = 1;
@@ -412,7 +415,9 @@
     private boolean mShowScreenshot;
 
     // The current background requests to load the task thumbnail and icon
+    @Nullable
     private CancellableTask mThumbnailLoadRequest;
+    @Nullable
     private CancellableTask mIconLoadRequest;
 
     private boolean mEndQuickswitchCuj;
@@ -425,11 +430,11 @@
         this(context, null);
     }
 
-    public TaskView(Context context, AttributeSet attrs) {
+    public TaskView(Context context, @Nullable AttributeSet attrs) {
         this(context, attrs, 0);
     }
 
-    public TaskView(Context context, AttributeSet attrs, int defStyleAttr) {
+    public TaskView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr);
         mActivity = StatefulActivity.fromContext(context);
         setOnClickListener(this::onClick);
@@ -536,7 +541,7 @@
         mTask = task;
         mTaskIdContainer[0] = mTask.key.id;
         mTaskIdAttributeContainer[0] = new TaskIdAttributeContainer(task, mSnapshotView,
-                STAGE_POSITION_UNDEFINED);
+                mIconView, STAGE_POSITION_UNDEFINED);
         mSnapshotView.bind(task);
         setOrientationState(orientedState);
     }
@@ -545,6 +550,7 @@
         return mTaskIdAttributeContainer;
     }
 
+    @Nullable
     public Task getTask() {
         return mTask;
     }
@@ -644,7 +650,7 @@
                     recentsView.getDepthController());
             anim.addListener(new AnimatorListenerAdapter() {
                 @Override
-                public void onAnimationStart(Animator animator) {
+                public void onAnimationStart(Animator animation) {
                     recentsView.runActionOnRemoteHandles(
                             (Consumer<RemoteTargetHandle>) remoteTargetHandle ->
                                     remoteTargetHandle
@@ -654,11 +660,6 @@
 
                 @Override
                 public void onAnimationEnd(Animator animator) {
-                    recentsView.runActionOnRemoteHandles(
-                            (Consumer<RemoteTargetHandle>) remoteTargetHandle ->
-                                    remoteTargetHandle
-                                            .getTaskViewSimulator()
-                                            .setDrawsBelowRecents(true));
                     mIsClickableAsLiveTile = true;
                 }
             });
@@ -687,6 +688,7 @@
      * Starts the task associated with this view and animates the startup.
      * @return CompletionStage to indicate the animation completion or null if the launch failed.
      */
+    @Nullable
     public RunnableList launchTaskAnimated() {
         if (mTask != null) {
             TestLogging.recordEvent(
@@ -837,14 +839,18 @@
     }
 
     protected boolean showTaskMenuWithContainer(IconView iconView) {
+        TaskIdAttributeContainer menuContainer =
+                mTaskIdAttributeContainer[iconView == mIconView ? 0 : 1];
         if (mActivity.getDeviceProfile().overviewShowAsGrid) {
-            return TaskMenuViewWithArrow.Companion.showForTask(mTaskIdAttributeContainer[0]);
+            boolean alignSecondRow = getRecentsView().isOnGridBottomRow(menuContainer.getTaskView())
+                    && mActivity.getDeviceProfile().isLandscape;
+            return TaskMenuViewWithArrow.Companion.showForTask(menuContainer, alignSecondRow);
         } else {
-            return TaskMenuView.showForTask(mTaskIdAttributeContainer[0]);
+            return TaskMenuView.showForTask(menuContainer);
         }
     }
 
-    protected void setIcon(IconView iconView, Drawable icon) {
+    protected void setIcon(IconView iconView, @Nullable Drawable icon) {
         if (icon != null) {
             iconView.setDrawable(icon);
             iconView.setOnClickListener(v -> {
@@ -878,7 +884,7 @@
         LayoutParams snapshotParams = (LayoutParams) mSnapshotView.getLayoutParams();
         DeviceProfile deviceProfile = mActivity.getDeviceProfile();
         snapshotParams.topMargin = deviceProfile.overviewTaskThumbnailTopMarginPx;
-        boolean isGridTask = deviceProfile.overviewShowAsGrid && !isFocusedTask();
+        boolean isGridTask = isGridTask();
         int taskIconHeight = deviceProfile.overviewTaskIconSizePx;
         int taskMargin = isGridTask ? deviceProfile.overviewTaskMarginGridPx
                 : deviceProfile.overviewTaskMarginPx;
@@ -898,6 +904,14 @@
         mSnapshotView.getTaskOverlay().updateOrientationState(orientationState);
     }
 
+    /**
+     * Returns whether the task is part of overview grid and not being focused.
+     */
+    public boolean isGridTask() {
+        DeviceProfile deviceProfile = mActivity.getDeviceProfile();
+        return deviceProfile.overviewShowAsGrid && !isFocusedTask();
+    }
+
     private void setIconAndDimTransitionProgress(float progress, boolean invert) {
         if (invert) {
             progress = 1 - progress;
@@ -1292,10 +1306,14 @@
                         getContext().getText(R.string.accessibility_close)));
 
         final Context context = getContext();
-        // TODO(b/200609838) Determine which task to run A11y action on when in split screen
-        for (SystemShortcut s : TaskOverlayFactory.getEnabledShortcuts(this,
-                mActivity.getDeviceProfile(), mTaskIdAttributeContainer[0])) {
-            info.addAction(s.createAccessibilityAction(context));
+        for (TaskIdAttributeContainer taskContainer : mTaskIdAttributeContainer) {
+            if (taskContainer == null) {
+                continue;
+            }
+            for (SystemShortcut s : TaskOverlayFactory.getEnabledShortcuts(this,
+                    mActivity.getDeviceProfile(), taskContainer)) {
+                info.addAction(s.createAccessibilityAction(context));
+            }
         }
 
         if (mDigitalWellBeingToast.hasLimit()) {
@@ -1326,12 +1344,16 @@
             return true;
         }
 
-        // TODO(b/200609838) Determine which task to run A11y action on when in split screen
-        for (SystemShortcut s : TaskOverlayFactory.getEnabledShortcuts(this,
-                mActivity.getDeviceProfile(), mTaskIdAttributeContainer[0])) {
-            if (s.hasHandlerForAction(action)) {
-                s.onClick(this);
-                return true;
+        for (TaskIdAttributeContainer taskContainer : mTaskIdAttributeContainer) {
+            if (taskContainer == null) {
+                continue;
+            }
+            for (SystemShortcut s : TaskOverlayFactory.getEnabledShortcuts(this,
+                    mActivity.getDeviceProfile(), taskContainer)) {
+                if (s.hasHandlerForAction(action)) {
+                    s.onClick(this);
+                    return true;
+                }
             }
         }
 
@@ -1374,7 +1396,7 @@
         invalidateOutline();
     }
 
-    void updateSnapshotRadius() {
+    protected void updateSnapshotRadius() {
         updateCurrentFullscreenParams(mSnapshotView.getPreviewPositionHelper());
         mSnapshotView.setFullscreenParams(mCurrentFullscreenParams);
     }
@@ -1548,20 +1570,25 @@
                 mScale = previewWidth / (previewWidth + currentInsetsLeft + currentInsetsRight);
             }
         }
-
     }
 
     public class TaskIdAttributeContainer {
         private final TaskThumbnailView mThumbnailView;
         private final Task mTask;
+        private final IconView mIconView;
         /** Defaults to STAGE_POSITION_UNDEFINED if in not a split screen task view */
         private @SplitConfigurationOptions.StagePosition int mStagePosition;
+        @IdRes
+        private final int mA11yNodeId;
 
         public TaskIdAttributeContainer(Task task, TaskThumbnailView thumbnailView,
-                int stagePosition) {
+                IconView iconView, int stagePosition) {
             this.mTask = task;
             this.mThumbnailView = thumbnailView;
+            this.mIconView = iconView;
             this.mStagePosition = stagePosition;
+            this.mA11yNodeId = (stagePosition == STAGE_POSITION_BOTTOM_OR_RIGHT) ?
+                    R.id.split_bottomRight_appInfo : R.id.split_topLeft_appInfo;
         }
 
         public TaskThumbnailView getThumbnailView() {
@@ -1580,6 +1607,10 @@
             return TaskView.this;
         }
 
+        public IconView getIconView() {
+            return mIconView;
+        }
+
         public int getStagePosition() {
             return mStagePosition;
         }
@@ -1587,5 +1618,9 @@
         void setStagePosition(@SplitConfigurationOptions.StagePosition int stagePosition) {
             this.mStagePosition = stagePosition;
         }
+
+        public int getA11yNodeId() {
+            return mA11yNodeId;
+        }
     }
 }
diff --git a/res/layout/all_apps_icon_twoline.xml b/res/layout/all_apps_icon_twoline.xml
new file mode 100644
index 0000000..54c7147
--- /dev/null
+++ b/res/layout/all_apps_icon_twoline.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2021 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<com.android.launcher3.BubbleTextView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:launcher="http://schemas.android.com/apk/res-auto"
+    style="@style/BaseIcon.AllApps"
+    android:id="@+id/icon"
+    android:singleLine="false"
+    android:lines="2"
+    android:inputType="textMultiLine"
+    launcher:iconDisplay="all_apps"
+    launcher:centerVertically="true" />
+
diff --git a/res/layout/floating_split_select_view.xml b/res/layout/floating_split_select_view.xml
index e184b91..8d47f4e 100644
--- a/res/layout/floating_split_select_view.xml
+++ b/res/layout/floating_split_select_view.xml
@@ -14,7 +14,7 @@
         android:id="@+id/split_placeholder"
         android:layout_width="match_parent"
         android:layout_height="@dimen/split_placeholder_size"
-        android:background="@android:color/white"
+        android:background="?android:colorPrimary"
         android:visibility="gone" />
 
 </com.android.quickstep.views.FloatingTaskView>
\ No newline at end of file
diff --git a/res/layout/widget_cell_content.xml b/res/layout/widget_cell_content.xml
index b27b505..0f6fc6c 100644
--- a/res/layout/widget_cell_content.xml
+++ b/res/layout/widget_cell_content.xml
@@ -33,6 +33,14 @@
             android:layout_height="match_parent"
             android:importantForAccessibility="no"
             android:layout_gravity="fill"/>
+
+        <ImageView
+            android:id="@+id/widget_badge"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:importantForAccessibility="no"
+            android:layout_gravity="end|bottom"
+            android:layout_margin="@dimen/profile_badge_margin"/>
     </com.android.launcher3.widget.WidgetCellPreview>
 
     <!-- The name of the widget. -->
diff --git a/res/raw/all_set_page_bg.json b/res/raw/all_set_page_bg.json
new file mode 100644
index 0000000..9705837
--- /dev/null
+++ b/res/raw/all_set_page_bg.json
@@ -0,0 +1 @@
+{"v":"5.7.8","fr":24,"ip":0,"op":72,"w":2472,"h":5352,"nm":"3Second_MAIN_Welcome","ddd":0,"assets":[],"layers":[{"ddd":0,"ind":1,"ty":3,"nm":"Null 60","sr":1,"ks":{"o":{"a":0,"k":0,"ix":11},"r":{"a":0,"k":0,"ix":10},"p":{"a":0,"k":[1508,1364,0],"ix":2,"l":2},"a":{"a":0,"k":[0,0,0],"ix":1,"l":2},"s":{"a":0,"k":[100,100,100],"ix":6,"l":2}},"ao":0,"ip":0,"op":240,"st":0,"bm":0},{"ddd":0,"ind":2,"ty":4,"nm":"PinkFlower","sr":1,"ks":{"o":{"a":0,"k":100,"ix":11},"r":{"a":1,"k":[{"i":{"x":[0.833],"y":[0.833]},"o":{"x":[0.167],"y":[0.167]},"t":0,"s":[0]},{"t":72,"s":[56]}],"ix":10},"p":{"a":1,"k":[{"i":{"x":0.07,"y":0.986},"o":{"x":0.167,"y":0.167},"t":0,"s":[1505.832,1379.455,0],"to":[0,0,0],"ti":[0,0,0]},{"i":{"x":0.833,"y":0.833},"o":{"x":0.773,"y":0.01},"t":38,"s":[1505.832,575,0],"to":[0,0,0],"ti":[0,0,0]},{"t":72,"s":[1505.832,1379.455,0]}],"ix":2,"l":2},"a":{"a":0,"k":[-3514.717,-358.642,0],"ix":1,"l":2},"s":{"a":0,"k":[100,100,100],"ix":6,"l":2}},"ao":0,"shapes":[{"ty":"gr","it":[{"ind":0,"ty":"sh","ix":1,"ks":{"a":0,"k":{"i":[[75.615,-96.908],[89.338,-70.276],[111.99,-50.668],[111.764,-20.709],[122.709,7.18],[108.586,33.602],[105.316,63.383],[80.533,80.216],[63.797,105.066],[34.03,108.453],[7.663,122.679],[-20.269,111.845],[-50.226,112.189],[-69.924,89.614],[-96.61,75.997],[-103.56,46.854],[-120.861,22.395],[-113.472,-6.639],[-117.425,-36.337],[-97.389,-58.612],[-87.087,-86.745],[-58.996,-97.158],[-36.8,-117.281],[-7.086,-113.445],[21.918,-120.948],[46.446,-103.744]],"o":[[-75.615,96.909],[-89.338,70.276],[-111.99,50.668],[-111.764,20.709],[-122.709,-7.18],[-108.586,-33.602],[-105.316,-63.383],[-80.533,-80.216],[-63.797,-105.066],[-34.03,-108.453],[-7.663,-122.679],[20.269,-111.845],[50.226,-112.188],[69.924,-89.614],[96.61,-75.997],[103.56,-46.854],[120.861,-22.395],[113.472,6.64],[117.425,36.337],[97.389,58.612],[87.088,86.745],[58.995,97.158],[36.8,117.281],[7.087,113.445],[-21.918,120.948],[-46.446,103.744]],"v":[[733.209,572.105],[531.711,675.932],[383.354,847.313],[156.685,845.606],[-54.323,928.412],[-254.235,821.562],[-479.555,796.823],[-606.913,609.309],[-794.927,482.691],[-820.554,257.47],[-928.191,57.981],[-846.217,-153.353],[-848.817,-380.013],[-678.021,-529.044],[-574.99,-730.949],[-354.499,-783.537],[-169.439,-914.435],[50.234,-858.532],[274.928,-888.434],[443.46,-736.847],[656.313,-658.903],[735.094,-446.359],[887.344,-278.426],[858.327,-53.616],[915.095,165.835],[784.928,351.409]],"c":true},"ix":2},"nm":"Path 1","mn":"ADBE Vector Shape - Group","hd":false},{"ty":"st","c":{"a":0,"k":[0.839215686275,0.439215686275,0.388235294118,1],"ix":3},"o":{"a":0,"k":100,"ix":4},"w":{"a":0,"k":4,"ix":5},"lc":1,"lj":1,"ml":4,"bm":0,"nm":"Stroke 1","mn":"ADBE Vector Graphic - Stroke","hd":false},{"ty":"fl","c":{"a":0,"k":[0.839215746113,0.439215716194,0.388235324037,1],"ix":4},"o":{"a":0,"k":100,"ix":5},"r":1,"bm":0,"nm":"Fill 1","mn":"ADBE Vector Graphic - Fill","hd":true},{"ty":"tr","p":{"a":0,"k":[-3509.952,-363.731],"ix":2},"a":{"a":0,"k":[0,0],"ix":1},"s":{"a":0,"k":[100,100],"ix":3},"r":{"a":0,"k":0,"ix":6},"o":{"a":0,"k":100,"ix":7},"sk":{"a":0,"k":0,"ix":4},"sa":{"a":0,"k":0,"ix":5},"nm":"Transform"}],"nm":"Polystar 1","np":3,"cix":2,"bm":0,"ix":1,"mn":"ADBE Vector Group","hd":false}],"ip":0,"op":288,"st":0,"bm":0},{"ddd":0,"ind":3,"ty":4,"nm":"Ellipse_Bottom","sr":1,"ks":{"o":{"a":0,"k":100,"ix":11},"r":{"a":1,"k":[{"i":{"x":[0.07],"y":[1.248]},"o":{"x":[0.167],"y":[0.167]},"t":0,"s":[-56]},{"i":{"x":[0.833],"y":[0.833]},"o":{"x":[0.719],"y":[0.172]},"t":38,"s":[-38]},{"t":72,"s":[-56]}],"ix":10},"p":{"s":true,"x":{"a":1,"k":[{"i":{"x":[0.07],"y":[1.032]},"o":{"x":[0.167],"y":[0.167]},"t":0,"s":[1720]},{"i":{"x":[0.833],"y":[0.833]},"o":{"x":[0.719],"y":[0.022]},"t":38,"s":[1544]},{"t":72,"s":[1720]}],"ix":3},"y":{"a":1,"k":[{"i":{"x":[0.07],"y":[1.034]},"o":{"x":[0.167],"y":[0.167]},"t":0,"s":[4069]},{"i":{"x":[0.833],"y":[0.833]},"o":{"x":[0.719],"y":[0.024]},"t":38,"s":[3872]},{"t":72,"s":[4069]}],"ix":4}},"a":{"a":0,"k":[164.438,1433.781,0],"ix":1,"l":2},"s":{"a":0,"k":[100,100,100],"ix":6,"l":2}},"ao":0,"shapes":[{"ty":"gr","it":[{"d":1,"ty":"el","s":{"a":0,"k":[3079.125,4685.989],"ix":2},"p":{"a":0,"k":[0,0],"ix":3},"nm":"Ellipse Path 1","mn":"ADBE Vector Shape - Ellipse","hd":false},{"ty":"st","c":{"a":0,"k":[0.305882352941,0.309803921569,0.321568627451,1],"ix":3},"o":{"a":0,"k":100,"ix":4},"w":{"a":0,"k":4,"ix":5},"lc":1,"lj":1,"ml":4,"bm":0,"nm":"Stroke 1","mn":"ADBE Vector Graphic - Stroke","hd":false},{"ty":"fl","c":{"a":0,"k":[0.882353001015,0.894118006089,0.886274988511,1],"ix":4},"o":{"a":0,"k":100,"ix":5},"r":1,"bm":0,"nm":"Fill 1","mn":"ADBE Vector Graphic - Fill","hd":true},{"ty":"tr","p":{"a":0,"k":[164.438,1481.781],"ix":2},"a":{"a":0,"k":[0,0],"ix":1},"s":{"a":0,"k":[100,100],"ix":3},"r":{"a":0,"k":0,"ix":6},"o":{"a":0,"k":100,"ix":7},"sk":{"a":0,"k":0,"ix":4},"sa":{"a":0,"k":0,"ix":5},"nm":"Transform"}],"nm":"Ellipse 1","np":3,"cix":2,"bm":0,"ix":1,"mn":"ADBE Vector Group","hd":false}],"ip":0,"op":240,"st":0,"bm":0}],"markers":[]}
diff --git a/res/values-it/strings.xml b/res/values-it/strings.xml
index 3758093..0235ef0 100644
--- a/res/values-it/strings.xml
+++ b/res/values-it/strings.xml
@@ -36,8 +36,8 @@
     <string name="add_item_request_drag_hint" msgid="5653291305078645405">"Tocca e tieni premuto il widget per spostarlo nella schermata Home"</string>
     <string name="add_to_home_screen" msgid="8631549138215492708">"Aggiungi a schermata Home"</string>
     <string name="added_to_home_screen_accessibility_text" msgid="4451545765448884415">"Widget <xliff:g id="WIDGET_NAME">%1$s</xliff:g> aggiunto alla schermata Home"</string>
-    <string name="widgets_count" msgid="6467746476364652096">"{count,plural, =1{# widget}other{# widget}}"</string>
-    <string name="shortcuts_count" msgid="8471715556199592381">"{count,plural, =1{# scorciatoia}other{# scorciatoie}}"</string>
+    <string name="widgets_count" msgid="6467746476364652096">"{count,plural, =1{# widget}one{# widget}other{# widget}}"</string>
+    <string name="shortcuts_count" msgid="8471715556199592381">"{count,plural, =1{# scorciatoia}one{# scorciatoia}other{# scorciatoie}}"</string>
     <string name="widgets_and_shortcuts_count" msgid="7209136747878365116">"<xliff:g id="WIDGETS_COUNT">%1$s</xliff:g>, <xliff:g id="SHORTCUTS_COUNT">%2$s</xliff:g>"</string>
     <string name="widget_button_text" msgid="2880537293434387943">"Widget"</string>
     <string name="widgets_full_sheet_search_bar_hint" msgid="8484659090860596457">"Cerca"</string>
@@ -86,7 +86,7 @@
     <string name="uninstall_system_app_text" msgid="4172046090762920660">"Questa è un\'app di sistema e non può essere disinstallata."</string>
     <string name="folder_hint_text" msgid="5174843001373488816">"Modifica nome"</string>
     <string name="disabled_app_label" msgid="6673129024321402780">"App <xliff:g id="APP_NAME">%1$s</xliff:g> disattivata"</string>
-    <string name="dotted_app_label" msgid="1704091277755818896">"{count,plural,offset:1 =1{{app_name} ha # notifica}other{{app_name} ha # notifiche}}"</string>
+    <string name="dotted_app_label" msgid="1704091277755818896">"{count,plural,offset:1 =1{{app_name} ha # notifica}one{{app_name} ha # notifica}other{{app_name} ha # notifiche}}"</string>
     <string name="default_scroll_format" msgid="7475544710230993317">"Pagina %1$d di %2$d"</string>
     <string name="workspace_scroll_format" msgid="8458889198184077399">"Schermata Home %1$d di %2$d"</string>
     <string name="workspace_new_page" msgid="257366611030256142">"Nuova pagina Schermata Home"</string>
diff --git a/res/values-pt-rPT/strings.xml b/res/values-pt-rPT/strings.xml
index 09a1200..a3c225a 100644
--- a/res/values-pt-rPT/strings.xml
+++ b/res/values-pt-rPT/strings.xml
@@ -36,8 +36,8 @@
     <string name="add_item_request_drag_hint" msgid="5653291305078645405">"Toque sem soltar no widget para o mover à volta do ecrã principal"</string>
     <string name="add_to_home_screen" msgid="8631549138215492708">"Adicionar ao ecrã principal"</string>
     <string name="added_to_home_screen_accessibility_text" msgid="4451545765448884415">"Widget <xliff:g id="WIDGET_NAME">%1$s</xliff:g> adicionado ao ecrã principal"</string>
-    <string name="widgets_count" msgid="6467746476364652096">"{count,plural, =1{# widget}other{# widgets}}"</string>
-    <string name="shortcuts_count" msgid="8471715556199592381">"{count,plural, =1{# atalho}other{# atalhos}}"</string>
+    <string name="widgets_count" msgid="6467746476364652096">"{count,plural, =1{# widget}one{# widget(s)}other{# widgets}}"</string>
+    <string name="shortcuts_count" msgid="8471715556199592381">"{count,plural, =1{# atalho}one{# atalho(s)}other{# atalhos}}"</string>
     <string name="widgets_and_shortcuts_count" msgid="7209136747878365116">"<xliff:g id="WIDGETS_COUNT">%1$s</xliff:g>, <xliff:g id="SHORTCUTS_COUNT">%2$s</xliff:g>"</string>
     <string name="widget_button_text" msgid="2880537293434387943">"Widgets"</string>
     <string name="widgets_full_sheet_search_bar_hint" msgid="8484659090860596457">"Pesquisar"</string>
@@ -86,7 +86,7 @@
     <string name="uninstall_system_app_text" msgid="4172046090762920660">"É uma app de sistema e não pode ser desinstalada."</string>
     <string name="folder_hint_text" msgid="5174843001373488816">"Edite o nome"</string>
     <string name="disabled_app_label" msgid="6673129024321402780">"<xliff:g id="APP_NAME">%1$s</xliff:g> desativado"</string>
-    <string name="dotted_app_label" msgid="1704091277755818896">"{count,plural,offset:1 =1{A app {app_name} tem # notificação}other{A app {app_name} tem # notificações}}"</string>
+    <string name="dotted_app_label" msgid="1704091277755818896">"{count,plural,offset:1 =1{A app {app_name} tem # notificação}one{A app {app_name} tem # notificação(ões)}other{A app {app_name} tem # notificações}}"</string>
     <string name="default_scroll_format" msgid="7475544710230993317">"Página %1$d de %2$d"</string>
     <string name="workspace_scroll_format" msgid="8458889198184077399">"Ecrã principal %1$d de %2$d"</string>
     <string name="workspace_new_page" msgid="257366611030256142">"Nova página do ecrã principal"</string>
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index 2cf929f..78f3f11 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -104,8 +104,9 @@
     <dimen name="all_apps_divider_height">2dp</dimen>
     <dimen name="all_apps_divider_width">128dp</dimen>
     <dimen name="all_apps_content_fade_in_offset">150dp</dimen>
-
     <dimen name="all_apps_tip_bottom_margin">8dp</dimen>
+    <dimen name="all_apps_height_extra">6dp</dimen>
+
     <!-- The size of corner radius of the arrow in the arrow toast. -->
     <dimen name="arrow_toast_corner_radius">2dp</dimen>
     <dimen name="arrow_toast_elevation">2dp</dimen>
diff --git a/res/values/id.xml b/res/values/id.xml
index ebc4075..508caff 100644
--- a/res/values/id.xml
+++ b/res/values/id.xml
@@ -21,6 +21,10 @@
     <item type="id" name="view_type_widgets_list" />
     <item type="id" name="view_type_widgets_header" />
     <item type="id" name="view_type_widgets_search_header" />
+    <!--  Used for A11y actions in staged split to identify each task uniquely  -->
+    <item type="id" name="split_topLeft_appInfo" />
+    <item type="id" name="split_bottomRight_appInfo" />
+
 
     <!--  Do not change, must be kept in sync with sysui navbar button IDs for tests!  -->
     <item type="id" name="home" />
diff --git a/res/values/strings.xml b/res/values/strings.xml
index e215c20..868b5f3 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -40,9 +40,10 @@
     <!-- Options for recent tasks -->
     <!-- Title for an option to enter split screen mode for a given app -->
     <string name="recent_task_option_split_screen">Split screen</string>
-    <string translatable="false" name="split_screen_position_top">Pin to top</string>
-    <string translatable="false" name="split_screen_position_left">Pin to left</string>
-    <string translatable="false" name="split_screen_position_right">Pin to right</string>
+    <string name="split_screen_position_top">Split top</string>
+    <string name="split_screen_position_left">Split left</string>
+    <string name="split_screen_position_right">Split right</string>
+    <string name="split_app_info_accessibility">App info for %1$s</string>
 
     <!-- Widgets -->
     <!-- Message to tell the user to press and hold on a widget to add it [CHAR_LIMIT=50] -->
diff --git a/src/com/android/launcher3/CellLayout.java b/src/com/android/launcher3/CellLayout.java
index 02eb1de..adb1613 100644
--- a/src/com/android/launcher3/CellLayout.java
+++ b/src/com/android/launcher3/CellLayout.java
@@ -19,6 +19,8 @@
 import static android.animation.ValueAnimator.areAnimatorsEnabled;
 
 import static com.android.launcher3.anim.Interpolators.DEACCEL_1_5;
+import static com.android.launcher3.dragndrop.DraggableView.DRAGGABLE_ICON;
+import static com.android.launcher3.icons.IconNormalizer.ICON_VISIBLE_AREA_FACTOR;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
@@ -37,7 +39,6 @@
 import android.graphics.PointF;
 import android.graphics.Rect;
 import android.graphics.RectF;
-import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
 import android.os.Parcelable;
 import android.util.ArrayMap;
@@ -61,6 +62,7 @@
 import com.android.launcher3.accessibility.DragAndDropAccessibilityDelegate;
 import com.android.launcher3.anim.Interpolators;
 import com.android.launcher3.config.FeatureFlags;
+import com.android.launcher3.dragndrop.DraggableView;
 import com.android.launcher3.folder.PreviewBackground;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.util.CellAndSpan;
@@ -442,18 +444,43 @@
         }
 
         if (DEBUG_VISUALIZE_OCCUPIED) {
-            int[] pt = new int[2];
-            ColorDrawable cd = new ColorDrawable(Color.RED);
-            cd.setBounds(0, 0,  mCellWidth, mCellHeight);
-            for (int i = 0; i < mCountX; i++) {
-                for (int j = 0; j < mCountY; j++) {
-                    if (mOccupied.cells[i][j]) {
-                        cellToPoint(i, j, pt);
-                        canvas.save();
-                        canvas.translate(pt[0], pt[1]);
-                        cd.draw(canvas);
-                        canvas.restore();
+            Rect cellBounds = new Rect();
+            // Will contain the bounds of the cell including spacing between cells.
+            Rect cellBoundsWithSpacing = new Rect();
+            int[] targetCell = new int[2];
+            int[] cellCenter = new int[2];
+            Paint debugPaint = new Paint();
+            debugPaint.setStrokeWidth(Utilities.dpToPx(1));
+            for (int x = 0; x < mCountX; x++) {
+                for (int y = 0; y < mCountY; y++) {
+                    if (!mOccupied.cells[x][y]) {
+                        continue;
                     }
+                    targetCell[0] = x;
+                    targetCell[1] = y;
+
+                    boolean canCreateFolder = canCreateFolder(getChildAt(x, y));
+                    cellToRect(x, y, 1, 1, cellBounds);
+                    cellBoundsWithSpacing.set(cellBounds);
+                    cellBoundsWithSpacing.inset(-mBorderSpace.x / 2, -mBorderSpace.y / 2);
+                    getWorkspaceCellVisualCenter(x, y, cellCenter);
+
+                    canvas.save();
+                    canvas.clipRect(cellBoundsWithSpacing);
+
+                    // Draw reorder drag target.
+                    debugPaint.setColor(Color.RED);
+                    canvas.drawCircle(cellCenter[0], cellCenter[1], getReorderRadius(targetCell),
+                            debugPaint);
+
+                    // Draw folder creation drag target.
+                    if (canCreateFolder) {
+                        debugPaint.setColor(Color.GREEN);
+                        canvas.drawCircle(cellCenter[0], cellCenter[1],
+                                getFolderCreationRadius(targetCell), debugPaint);
+                    }
+
+                    canvas.restore();
                 }
             }
         }
@@ -482,6 +509,14 @@
     }
 
     /**
+     * Returns whether dropping an icon on the given View can create (or add to) a folder.
+     */
+    private boolean canCreateFolder(View child) {
+        return child instanceof DraggableView
+                && ((DraggableView) child).getViewType() == DRAGGABLE_ICON;
+    }
+
+    /**
      * Indicates the progress of the Workspace entering the SpringLoaded state; allows the
      * CellLayout to update various visuals for this state.
      *
@@ -817,7 +852,7 @@
     }
 
     /**
-     * Given a cell coordinate and span return the point that represents the center of the regio
+     * Given a cell coordinate and span return the point that represents the center of the region
      *
      * @param cellX X coordinate of the cell
      * @param cellY Y coordinate of the cell
@@ -830,11 +865,65 @@
         result[1] = mTempRect.centerY();
     }
 
-    public float getDistanceFromCell(float x, float y, int[] cell) {
-        cellToCenterPoint(cell[0], cell[1], mTmpPoint);
+    /**
+     * Returns the distance between the given coordinate and the visual center of the given cell.
+     */
+    public float getDistanceFromWorkspaceCellVisualCenter(float x, float y, int[] cell) {
+        getWorkspaceCellVisualCenter(cell[0], cell[1], mTmpPoint);
         return (float) Math.hypot(x - mTmpPoint[0], y - mTmpPoint[1]);
     }
 
+    private void getWorkspaceCellVisualCenter(int cellX, int cellY, int[] outPoint) {
+        View child = getChildAt(cellX, cellY);
+        if (child instanceof DraggableView) {
+            DraggableView draggableChild = (DraggableView) child;
+            if (draggableChild.getViewType() == DRAGGABLE_ICON) {
+                cellToPoint(cellX, cellY, outPoint);
+                draggableChild.getWorkspaceVisualDragBounds(mTempRect);
+                mTempRect.offset(outPoint[0], outPoint[1]);
+                outPoint[0] = mTempRect.centerX();
+                outPoint[1] = mTempRect.centerY();
+                return;
+            }
+        }
+        cellToCenterPoint(cellX, cellY, outPoint);
+    }
+
+    /**
+     * Returns the max distance from the center of a cell that can accept a drop to create a folder.
+     */
+    public float getFolderCreationRadius(int[] targetCell) {
+        DeviceProfile grid = mActivity.getDeviceProfile();
+        float iconVisibleRadius = ICON_VISIBLE_AREA_FACTOR * grid.iconSizePx / 2;
+        // Halfway between reorder radius and icon.
+        return (getReorderRadius(targetCell) + iconVisibleRadius) / 2;
+    }
+
+    /**
+     * Returns the max distance from the center of a cell that will start to reorder on drag over.
+     */
+    public float getReorderRadius(int[] targetCell) {
+        int[] centerPoint = mTmpPoint;
+        getWorkspaceCellVisualCenter(targetCell[0], targetCell[1], centerPoint);
+
+        Rect cellBoundsWithSpacing = mTempRect;
+        cellToRect(targetCell[0], targetCell[1], 1, 1, cellBoundsWithSpacing);
+        cellBoundsWithSpacing.inset(-mBorderSpace.x / 2, -mBorderSpace.y / 2);
+
+        if (canCreateFolder(getChildAt(targetCell[0], targetCell[1]))) {
+            // Take only the circle in the smaller dimension, to ensure we don't start reordering
+            // too soon before accepting a folder drop.
+            int minRadius = centerPoint[0] - cellBoundsWithSpacing.left;
+            minRadius = Math.min(minRadius, centerPoint[1] - cellBoundsWithSpacing.top);
+            minRadius = Math.min(minRadius, cellBoundsWithSpacing.right - centerPoint[0]);
+            minRadius = Math.min(minRadius, cellBoundsWithSpacing.bottom - centerPoint[1]);
+            return minRadius;
+        }
+        // Take up the entire cell, including space between this cell and the adjacent ones.
+        return (float) Math.hypot(cellBoundsWithSpacing.width() / 2f,
+                cellBoundsWithSpacing.height() / 2f);
+    }
+
     public int getCellWidth() {
         return mCellWidth;
     }
diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index 5c16b4c..f2836ca 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -16,13 +16,10 @@
 
 package com.android.launcher3;
 
-import static android.util.DisplayMetrics.DENSITY_DEVICE_STABLE;
-
 import static com.android.launcher3.ResourceUtils.pxFromDp;
 import static com.android.launcher3.Utilities.dpiFromPx;
 import static com.android.launcher3.Utilities.pxFromSp;
 import static com.android.launcher3.folder.ClippedFolderIconLayoutRule.ICON_OVERLAP_FACTOR;
-import static com.android.launcher3.util.WindowManagerCompat.MIN_TABLET_WIDTH;
 
 import android.annotation.SuppressLint;
 import android.content.Context;
@@ -64,7 +61,6 @@
     public final boolean isPhone;
     public final boolean transposeLayoutWithOrientation;
     public final boolean isTwoPanels;
-    public final boolean allowRotation;
 
     // Device properties in current orientation
     public final boolean isLandscape;
@@ -244,15 +240,9 @@
         availableHeightPx = windowBounds.availableSize.y;
 
         mInfo = info;
-        // If the device's pixel density was scaled (usually via settings for A11y), use the
-        // original dimensions to determine if rotation is allowed of not.
-        float originalSmallestWidth = dpiFromPx(Math.min(widthPx, heightPx), DENSITY_DEVICE_STABLE);
-        allowRotation = originalSmallestWidth >= MIN_TABLET_WIDTH;
-        // Tablet UI does not support emulated landscape.
-        isTablet = allowRotation && info.isTablet(windowBounds);
+        isTablet = info.isTablet(windowBounds);
         isPhone = !isTablet;
-        isTwoPanels = isTablet && useTwoPanels
-                && (isLandscape || FeatureFlags.ENABLE_TWO_PANEL_HOME_IN_PORTRAIT.get());
+        isTwoPanels = isTablet && useTwoPanels;
 
         aspectRatio = ((float) Math.max(widthPx, heightPx)) / Math.min(widthPx, heightPx);
         boolean isTallDevice = Float.compare(aspectRatio, TALL_DEVICE_ASPECT_RATIO_THRESHOLD) >= 0;
@@ -1032,7 +1022,6 @@
         writer.println(prefix + "DeviceProfile:");
         writer.println(prefix + "\t1 dp = " + mMetrics.density + " px");
 
-        writer.println(prefix + "\tallowRotation:" + allowRotation);
         writer.println(prefix + "\tisTablet:" + isTablet);
         writer.println(prefix + "\tisPhone:" + isPhone);
         writer.println(prefix + "\ttransposeLayoutWithOrientation:"
diff --git a/src/com/android/launcher3/LauncherProvider.java b/src/com/android/launcher3/LauncherProvider.java
index 9f3d445..68e19cb 100644
--- a/src/com/android/launcher3/LauncherProvider.java
+++ b/src/com/android/launcher3/LauncherProvider.java
@@ -383,7 +383,7 @@
             case LauncherSettings.Settings.METHOD_NEW_SCREEN_ID: {
                 Bundle result = new Bundle();
                 result.putInt(LauncherSettings.Settings.EXTRA_VALUE,
-                        mOpenHelper.generateNewScreenId());
+                        mOpenHelper.getNewScreenId());
                 return result;
             }
             case LauncherSettings.Settings.METHOD_CREATE_EMPTY_DB: {
@@ -628,7 +628,6 @@
         private final Context mContext;
         private final boolean mForMigration;
         private int mMaxItemId = -1;
-        private int mMaxScreenId = -1;
         private boolean mBackupTableExists;
         private boolean mHotseatRestoreTableExists;
 
@@ -672,9 +671,6 @@
             if (mMaxItemId == -1) {
                 mMaxItemId = initializeMaxItemId(getWritableDatabase());
             }
-            if (mMaxScreenId == -1) {
-                mMaxScreenId = initializeMaxScreenId(getWritableDatabase());
-            }
         }
 
         @Override
@@ -682,7 +678,6 @@
             if (LOGD) Log.d(TAG, "creating new launcher database");
 
             mMaxItemId = 1;
-            mMaxScreenId = 0;
 
             addFavoritesTable(db, false);
 
@@ -1043,36 +1038,19 @@
         public void checkId(ContentValues values) {
             int id = values.getAsInteger(Favorites._ID);
             mMaxItemId = Math.max(id, mMaxItemId);
-
-            Integer screen = values.getAsInteger(Favorites.SCREEN);
-            Integer container = values.getAsInteger(Favorites.CONTAINER);
-            if (screen != null && container != null
-                    && container.intValue() == Favorites.CONTAINER_DESKTOP) {
-                mMaxScreenId = Math.max(screen, mMaxScreenId);
-            }
         }
 
         private int initializeMaxItemId(SQLiteDatabase db) {
             return getMaxId(db, "SELECT MAX(%1$s) FROM %2$s", Favorites._ID, Favorites.TABLE_NAME);
         }
 
-        // Generates a new ID to use for an workspace screen in your database. This method
-        // should be only called from the main UI thread. As an exception, we do call it when we
-        // call the constructor from the worker thread; however, this doesn't extend until after the
-        // constructor is called, and we only pass a reference to LauncherProvider to LauncherApp
-        // after that point
-        public int generateNewScreenId() {
-            if (mMaxScreenId < 0) {
-                throw new RuntimeException("Error: max screen id was not initialized");
-            }
-            mMaxScreenId += 1;
-            return mMaxScreenId;
-        }
-
-        private int initializeMaxScreenId(SQLiteDatabase db) {
-            return getMaxId(db, "SELECT MAX(%1$s) FROM %2$s WHERE %3$s = %4$d AND %1$s >= 0",
+        // Returns a new ID to use for an workspace screen in your database that is greater than all
+        // existing screen IDs.
+        private int getNewScreenId() {
+            return getMaxId(getWritableDatabase(),
+                    "SELECT MAX(%1$s) FROM %2$s WHERE %3$s = %4$d AND %1$s >= 0",
                     Favorites.SCREEN, Favorites.TABLE_NAME, Favorites.CONTAINER,
-                    Favorites.CONTAINER_DESKTOP);
+                    Favorites.CONTAINER_DESKTOP) + 1;
         }
 
         @Thunk int loadFavorites(SQLiteDatabase db, AutoInstallsLayout loader) {
@@ -1081,7 +1059,6 @@
 
             // Ensure that the max ids are initialized
             mMaxItemId = initializeMaxItemId(db);
-            mMaxScreenId = initializeMaxScreenId(db);
             return count;
         }
     }
diff --git a/src/com/android/launcher3/PagedView.java b/src/com/android/launcher3/PagedView.java
index 523ac72..1ce7ebe 100644
--- a/src/com/android/launcher3/PagedView.java
+++ b/src/com/android/launcher3/PagedView.java
@@ -252,7 +252,7 @@
         if (0 <= mCurrentPage && mCurrentPage < getPageCount()) {
             newPosition = getScrollForPage(mCurrentPage) + mCurrentPageScrollDiff;
         }
-        mOrientationHandler.set(this, VIEW_SCROLL_TO, newPosition);
+        mOrientationHandler.setPrimary(this, VIEW_SCROLL_TO, newPosition);
         mScroller.startScroll(mScroller.getCurrX(), 0, newPosition - mScroller.getCurrX(), 0);
         forceFinishScroller();
     }
@@ -556,7 +556,7 @@
             int oldPos = mOrientationHandler.getPrimaryScroll(this);
             int newPos = mScroller.getCurrX();
             if (oldPos != newPos) {
-                mOrientationHandler.set(this, VIEW_SCROLL_TO, mScroller.getCurrX());
+                mOrientationHandler.setPrimary(this, VIEW_SCROLL_TO, mScroller.getCurrX());
             }
 
             if (mAllowOverScroll) {
@@ -1280,7 +1280,7 @@
                 mLastMotionRemainder = delta - movedDelta;
 
                 if (delta != 0) {
-                    mOrientationHandler.set(this, VIEW_SCROLL_BY, movedDelta);
+                    mOrientationHandler.setPrimary(this, VIEW_SCROLL_BY, movedDelta);
 
                     if (mAllowOverScroll) {
                         final float pulledToX = oldScroll + delta;
@@ -1721,6 +1721,10 @@
 
     @Override
     protected void onScrollChanged(int l, int t, int oldl, int oldt) {
+        if (mScroller.isFinished()) {
+            // This was not caused by the scroller, skip it.
+            return;
+        }
         int newDestinationPage = getDestinationPage();
         if (newDestinationPage >= 0 && newDestinationPage != mCurrentScrollOverPage) {
             mCurrentScrollOverPage = newDestinationPage;
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index ce06c6e..203df0a 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -220,7 +220,6 @@
     private FolderIcon mDragOverFolderIcon = null;
     private boolean mCreateUserFolderOnDrop = false;
     private boolean mAddToExistingFolderOnDrop = false;
-    private float mMaxDistanceForFolderCreation;
 
     // Variables relating to touch disambiguation (scrolling workspace vs. scrolling a widget)
     private float mXDown;
@@ -308,8 +307,6 @@
     public void setInsets(Rect insets) {
         DeviceProfile grid = mLauncher.getDeviceProfile();
 
-        mMaxDistanceForFolderCreation = grid.isTablet
-                ? 0.75f * grid.iconSizePx : 0.55f * grid.iconSizePx;
         mWorkspaceFadeInAdjacentScreens = grid.shouldFadeAdjacentWorkspaceScreens();
 
         Rect padding = grid.workspacePadding;
@@ -869,13 +866,13 @@
         mWorkspaceScreens.remove(emptyScreenId);
         mScreenOrder.removeValue(emptyScreenId);
 
-        int newScreenId = -1;
+        int newScreenId = LauncherSettings.Settings.call(getContext().getContentResolver(),
+                LauncherSettings.Settings.METHOD_NEW_SCREEN_ID)
+                .getInt(LauncherSettings.Settings.EXTRA_VALUE);
         // Launcher database isn't aware of empty pages that are already bound, so we need to
         // skip those IDs manually.
-        while (newScreenId == -1 || mWorkspaceScreens.containsKey(newScreenId)) {
-            newScreenId = LauncherSettings.Settings.call(getContext().getContentResolver(),
-                    LauncherSettings.Settings.METHOD_NEW_SCREEN_ID)
-                    .getInt(LauncherSettings.Settings.EXTRA_VALUE);
+        while (mWorkspaceScreens.containsKey(newScreenId)) {
+            newScreenId++;
         }
 
         mWorkspaceScreens.put(newScreenId, cl);
@@ -1774,8 +1771,8 @@
             mTargetCell = findNearestArea((int) mDragViewVisualCenter[0],
                     (int) mDragViewVisualCenter[1], minSpanX, minSpanY, dropTargetLayout,
                     mTargetCell);
-            float distance = dropTargetLayout.getDistanceFromCell(mDragViewVisualCenter[0],
-                    mDragViewVisualCenter[1], mTargetCell);
+            float distance = dropTargetLayout.getDistanceFromWorkspaceCellVisualCenter(
+                    mDragViewVisualCenter[0], mDragViewVisualCenter[1], mTargetCell);
             if (mCreateUserFolderOnDrop && willCreateUserFolder(d.dragInfo,
                     dropTargetLayout, mTargetCell, distance, true)) {
                 return true;
@@ -1809,7 +1806,7 @@
 
     boolean willCreateUserFolder(ItemInfo info, CellLayout target, int[] targetCell,
             float distance, boolean considerTimeout) {
-        if (distance > mMaxDistanceForFolderCreation) return false;
+        if (distance > target.getFolderCreationRadius(targetCell)) return false;
         View dropOverView = target.getChildAt(targetCell[0], targetCell[1]);
         return willCreateUserFolder(info, dropOverView, considerTimeout);
     }
@@ -1844,7 +1841,7 @@
 
     boolean willAddToExistingUserFolder(ItemInfo dragInfo, CellLayout target, int[] targetCell,
             float distance) {
-        if (distance > mMaxDistanceForFolderCreation) return false;
+        if (distance > target.getFolderCreationRadius(targetCell)) return false;
         View dropOverView = target.getChildAt(targetCell[0], targetCell[1]);
         return willAddToExistingUserFolder(dragInfo, dropOverView);
 
@@ -1868,7 +1865,7 @@
 
     boolean createUserFolderIfNecessary(View newView, int container, CellLayout target,
             int[] targetCell, float distance, boolean external, DragObject d) {
-        if (distance > mMaxDistanceForFolderCreation) return false;
+        if (distance > target.getFolderCreationRadius(targetCell)) return false;
         View v = target.getChildAt(targetCell[0], targetCell[1]);
 
         boolean hasntMoved = false;
@@ -1925,7 +1922,7 @@
 
     boolean addToExistingFolderIfNecessary(View newView, CellLayout target, int[] targetCell,
             float distance, DragObject d, boolean external) {
-        if (distance > mMaxDistanceForFolderCreation) return false;
+        if (distance > target.getFolderCreationRadius(targetCell)) return false;
 
         View dropOverView = target.getChildAt(targetCell[0], targetCell[1]);
         if (!mAddToExistingFolderOnDrop) return false;
@@ -1989,8 +1986,8 @@
 
                 mTargetCell = findNearestArea((int) mDragViewVisualCenter[0], (int)
                         mDragViewVisualCenter[1], spanX, spanY, dropTargetLayout, mTargetCell);
-                float distance = dropTargetLayout.getDistanceFromCell(mDragViewVisualCenter[0],
-                        mDragViewVisualCenter[1], mTargetCell);
+                float distance = dropTargetLayout.getDistanceFromWorkspaceCellVisualCenter(
+                        mDragViewVisualCenter[0], mDragViewVisualCenter[1], mTargetCell);
 
                 // If the item being dropped is a shortcut and the nearest drop
                 // cell also contains a shortcut, then create a folder with the two shortcuts.
@@ -2418,7 +2415,7 @@
 
             setCurrentDropOverCell(mTargetCell[0], mTargetCell[1]);
 
-            float targetCellDistance = mDragTargetLayout.getDistanceFromCell(
+            float targetCellDistance = mDragTargetLayout.getDistanceFromWorkspaceCellVisualCenter(
                     mDragViewVisualCenter[0], mDragViewVisualCenter[1], mTargetCell);
 
             manageFolderFeedback(targetCellDistance, d);
@@ -2431,8 +2428,9 @@
                 mDragTargetLayout.visualizeDropLocation(mTargetCell[0], mTargetCell[1],
                         item.spanX, item.spanY, d);
             } else if ((mDragMode == DRAG_MODE_NONE || mDragMode == DRAG_MODE_REORDER)
-                    && !mReorderAlarm.alarmPending() && (mLastReorderX != reorderX ||
-                    mLastReorderY != reorderY)) {
+                    && !mReorderAlarm.alarmPending()
+                    && (mLastReorderX != reorderX || mLastReorderY != reorderY)
+                    && targetCellDistance < mDragTargetLayout.getReorderRadius(mTargetCell)) {
 
                 int[] resultSpan = new int[2];
                 mDragTargetLayout.performReorder((int) mDragViewVisualCenter[0],
@@ -2529,7 +2527,7 @@
     }
 
     private void manageFolderFeedback(float distance, DragObject dragObject) {
-        if (distance > mMaxDistanceForFolderCreation) {
+        if (distance > mDragTargetLayout.getFolderCreationRadius(mTargetCell)) {
             if ((mDragMode == DRAG_MODE_ADD_TO_FOLDER
                     || mDragMode == DRAG_MODE_CREATE_FOLDER)) {
                 setDragMode(DRAG_MODE_NONE);
@@ -2674,8 +2672,8 @@
             if (pendingInfo.itemType == LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT) {
                 mTargetCell = findNearestArea(touchXY[0], touchXY[1], spanX, spanY,
                         cellLayout, mTargetCell);
-                float distance = cellLayout.getDistanceFromCell(mDragViewVisualCenter[0],
-                        mDragViewVisualCenter[1], mTargetCell);
+                float distance = cellLayout.getDistanceFromWorkspaceCellVisualCenter(
+                        mDragViewVisualCenter[0], mDragViewVisualCenter[1], mTargetCell);
                 if (willCreateUserFolder(d.dragInfo, cellLayout, mTargetCell, distance, true)
                         || willAddToExistingUserFolder(
                                 d.dragInfo, cellLayout, mTargetCell, distance)) {
@@ -2774,8 +2772,8 @@
             if (touchXY != null) {
                 mTargetCell = findNearestArea(touchXY[0], touchXY[1], spanX, spanY,
                         cellLayout, mTargetCell);
-                float distance = cellLayout.getDistanceFromCell(mDragViewVisualCenter[0],
-                        mDragViewVisualCenter[1], mTargetCell);
+                float distance = cellLayout.getDistanceFromWorkspaceCellVisualCenter(
+                        mDragViewVisualCenter[0], mDragViewVisualCenter[1], mTargetCell);
                 if (createUserFolderIfNecessary(view, container, cellLayout, mTargetCell, distance,
                         true, d)) {
                     return;
diff --git a/src/com/android/launcher3/allapps/AllAppsGridAdapter.java b/src/com/android/launcher3/allapps/AllAppsGridAdapter.java
index f089551..d5c9a53 100644
--- a/src/com/android/launcher3/allapps/AllAppsGridAdapter.java
+++ b/src/com/android/launcher3/allapps/AllAppsGridAdapter.java
@@ -41,6 +41,7 @@
 import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.BubbleTextView;
 import com.android.launcher3.R;
+import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.model.data.AppInfo;
 import com.android.launcher3.model.data.ItemInfoWithIcon;
 import com.android.launcher3.util.PackageManagerHelper;
@@ -273,6 +274,8 @@
     // The intent to send off to the market app, updated each time the search query changes.
     private Intent mMarketSearchIntent;
 
+    private final int mExtraHeight;
+
     public AllAppsGridAdapter(BaseDraggingActivity launcher, LayoutInflater inflater,
             AlphabeticalAppsList apps, BaseAdapterProvider[] adapterProviders) {
         Resources res = launcher.getResources();
@@ -288,6 +291,7 @@
 
         mAdapterProviders = adapterProviders;
         setAppsPerRow(mLauncher.getDeviceProfile().numShownAllAppsColumns);
+        mExtraHeight = launcher.getResources().getDimensionPixelSize(R.dimen.all_apps_height_extra);
     }
 
     public void setAppsPerRow(int appsPerRow) {
@@ -347,14 +351,19 @@
     public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
         switch (viewType) {
             case VIEW_TYPE_ICON:
+                int layout = !FeatureFlags.ENABLE_TWOLINE_ALLAPPS.get() ? R.layout.all_apps_icon
+                        : R.layout.all_apps_icon_twoline;
                 BubbleTextView icon = (BubbleTextView) mLayoutInflater.inflate(
-                        R.layout.all_apps_icon, parent, false);
+                        layout, parent, false);
                 icon.setLongPressTimeoutFactor(1f);
                 icon.setOnFocusChangeListener(mIconFocusListener);
                 icon.setOnClickListener(mOnIconClickListener);
                 icon.setOnLongClickListener(mOnIconLongClickListener);
                 // Ensure the all apps icon height matches the workspace icons in portrait mode.
                 icon.getLayoutParams().height = mLauncher.getDeviceProfile().allAppsCellHeightPx;
+                if (FeatureFlags.ENABLE_TWOLINE_ALLAPPS.get()) {
+                    icon.getLayoutParams().height += mExtraHeight;
+                }
                 return new ViewHolder(icon);
             case VIEW_TYPE_EMPTY_SEARCH:
                 return new ViewHolder(mLayoutInflater.inflate(R.layout.all_apps_empty_search,
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index d362994..98cb5ae 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -72,6 +72,7 @@
             "PROMISE_APPS_NEW_INSTALLS", true,
             "Adds a promise icon to the home screen for new install sessions.");
 
+    // TODO: b/206508141: Long pressing on some icons on home screen cause launcher to crash.
     public static final BooleanFlag ENABLE_LOCAL_COLOR_POPUPS = getDebugFlag(
             "ENABLE_LOCAL_COLOR_POPUPS", false, "Enable local color extraction for popups.");
 
@@ -94,6 +95,9 @@
     public static final BooleanFlag ENABLE_ONE_SEARCH = new DeviceFlag("ENABLE_ONE_SEARCH", false,
             "Use homescreen search box to complete allApps searches");
 
+    public static final BooleanFlag ENABLE_TWOLINE_ALLAPPS = getDebugFlag(
+            "ENABLE_TWOLINE_ALLAPPS", false, "Enables two line label inside all apps.");
+
     public static final BooleanFlag ENABLE_DEVICE_SEARCH_PERFORMANCE_LOGGING = new DeviceFlag(
             "ENABLE_DEVICE_SEARCH_PERFORMANCE_LOGGING", true,
             "Allows on device search in all apps logging");
@@ -154,15 +158,6 @@
             "ENABLE_DATABASE_RESTORE", false,
             "Enable database restore when new restore session is created");
 
-    public static final BooleanFlag ENABLE_SMARTSPACE_UNIVERSAL = getDebugFlag(
-            "ENABLE_SMARTSPACE_UNIVERSAL", false,
-            "Replace Smartspace with a version rendered by System UI.");
-
-    public static final BooleanFlag ENABLE_SMARTSPACE_ENHANCED = getDebugFlag(
-            "ENABLE_SMARTSPACE_ENHANCED", true,
-            "Replace Smartspace with the enhanced version. "
-                    + "Ignored if ENABLE_SMARTSPACE_UNIVERSAL is enabled.");
-
     public static final BooleanFlag ENABLE_SMARTSPACE_DISMISS = getDebugFlag(
             "ENABLE_SMARTSPACE_DISMISS", true,
             "Adds a menu option to dismiss the current Enhanced Smartspace card.");
@@ -216,10 +211,6 @@
             "ENABLE_TWO_PANEL_HOME", true,
             "Uses two panel on home screen. Only applicable on large screen devices.");
 
-    public static final BooleanFlag ENABLE_TWO_PANEL_HOME_IN_PORTRAIT = getDebugFlag(
-            "ENABLE_TWO_PANEL_HOME_IN_PORTRAIT", true,
-            "Uses two panel on home screen in portrait if ENABLE_TWO_PANEL_HOME is enabled.");
-
     public static final BooleanFlag ENABLE_SCRIM_FOR_APP_LAUNCH = getDebugFlag(
             "ENABLE_SCRIM_FOR_APP_LAUNCH", false,
             "Enables scrim during app launch animation.");
diff --git a/src/com/android/launcher3/model/AddWorkspaceItemsTask.java b/src/com/android/launcher3/model/AddWorkspaceItemsTask.java
index fea15c4..a13fa55 100644
--- a/src/com/android/launcher3/model/AddWorkspaceItemsTask.java
+++ b/src/com/android/launcher3/model/AddWorkspaceItemsTask.java
@@ -16,7 +16,6 @@
 package com.android.launcher3.model;
 
 import static com.android.launcher3.WorkspaceLayoutManager.FIRST_SCREEN_ID;
-import static com.android.launcher3.WorkspaceLayoutManager.SECOND_SCREEN_ID;
 
 import android.content.Intent;
 import android.content.pm.LauncherActivityInfo;
@@ -300,11 +299,6 @@
         IntSet screensToExclude = new IntSet();
         if (FeatureFlags.QSB_ON_FIRST_SCREEN) {
             screensToExclude.add(FIRST_SCREEN_ID);
-
-            // On split display we don't want to add the new items onto the second screen.
-            if (app.getInvariantDeviceProfile().isSplitDisplay) {
-                screensToExclude.add(SECOND_SCREEN_ID);
-            }
         }
 
         for (int screen = 0; screen < screenCount; screen++) {
diff --git a/src/com/android/launcher3/model/ModelWriter.java b/src/com/android/launcher3/model/ModelWriter.java
index 0439e75..94e06d1 100644
--- a/src/com/android/launcher3/model/ModelWriter.java
+++ b/src/com/android/launcher3/model/ModelWriter.java
@@ -292,7 +292,7 @@
         FileLog.d(TAG, "removing items from db " + items.stream().map(
                 (item) -> item.getTargetComponent() == null ? ""
                         : item.getTargetComponent().getPackageName()).collect(
-                Collectors.joining(",")), new Exception());
+                Collectors.joining(",")));
         notifyDelete(items);
         enqueueDeleteRunnable(() -> {
             for (ItemInfo item : items) {
diff --git a/src/com/android/launcher3/popup/ArrowPopup.java b/src/com/android/launcher3/popup/ArrowPopup.java
index 5a1e4bf..b1a4109 100644
--- a/src/com/android/launcher3/popup/ArrowPopup.java
+++ b/src/com/android/launcher3/popup/ArrowPopup.java
@@ -77,44 +77,45 @@
         extends AbstractFloatingView {
 
     // Duration values (ms) for popup open and close animations.
-    private static final int OPEN_DURATION = 276;
-    private static final int OPEN_FADE_START_DELAY = 0;
-    private static final int OPEN_FADE_DURATION = 38;
-    private static final int OPEN_CHILD_FADE_START_DELAY = 38;
-    private static final int OPEN_CHILD_FADE_DURATION = 76;
+    protected int OPEN_DURATION = 276;
+    protected int OPEN_FADE_START_DELAY = 0;
+    protected int OPEN_FADE_DURATION = 38;
+    protected int OPEN_CHILD_FADE_START_DELAY = 38;
+    protected int OPEN_CHILD_FADE_DURATION = 76;
 
-    private static final int CLOSE_DURATION = 200;
-    private static final int CLOSE_FADE_START_DELAY = 140;
-    private static final int CLOSE_FADE_DURATION = 50;
-    private static final int CLOSE_CHILD_FADE_START_DELAY = 0;
-    private static final int CLOSE_CHILD_FADE_DURATION = 140;
+    protected int CLOSE_DURATION = 200;
+    protected int CLOSE_FADE_START_DELAY = 140;
+    protected int CLOSE_FADE_DURATION = 50;
+    protected int CLOSE_CHILD_FADE_START_DELAY = 0;
+    protected int CLOSE_CHILD_FADE_DURATION = 140;
 
     // Index used to get background color when using local wallpaper color extraction,
     private static final int DARK_COLOR_EXTRACTION_INDEX = android.R.color.system_neutral2_800;
     private static final int LIGHT_COLOR_EXTRACTION_INDEX = android.R.color.system_accent2_50;
 
-    private final Rect mTempRect = new Rect();
+    protected final Rect mTempRect = new Rect();
 
     protected final LayoutInflater mInflater;
-    private final float mOutlineRadius;
+    protected final float mOutlineRadius;
     protected final T mActivityContext;
     protected final boolean mIsRtl;
 
-    private final int mArrowOffsetVertical;
-    private final int mArrowOffsetHorizontal;
-    private final int mArrowWidth;
-    private final int mArrowHeight;
-    private final int mArrowPointRadius;
-    private final View mArrow;
+    protected final int mArrowOffsetVertical;
+    protected final int mArrowOffsetHorizontal;
+    protected final int mArrowWidth;
+    protected final int mArrowHeight;
+    protected final int mArrowPointRadius;
+    protected final View mArrow;
 
     private final int mMargin;
 
     protected boolean mIsLeftAligned;
     protected boolean mIsAboveIcon;
-    private int mGravity;
+    protected int mGravity;
 
     protected AnimatorSet mOpenCloseAnimator;
     protected boolean mDeferContainerRemoval;
+    protected boolean shouldScaleArrow = false;
 
     private final GradientDrawable mRoundedTop;
     private final GradientDrawable mRoundedBottom;
@@ -122,10 +123,10 @@
     private Runnable mOnCloseCallback = () -> { };
 
     // The rect string of the view that the arrow is attached to, in screen reference frame.
-    private int mArrowColor;
+    protected int mArrowColor;
     protected final List<LocalColorExtractor> mColorExtractors;
 
-    private final float mElevation;
+    protected final float mElevation;
     private final int mBackgroundColor;
 
     private final String mIterateChildrenTag;
@@ -729,6 +730,14 @@
         scale.setInterpolator(interpolator);
         animatorSet.play(scale);
 
+        if (shouldScaleArrow) {
+            Animator arrowScaleAnimator = ObjectAnimator.ofFloat(mArrow, View.SCALE_Y,
+                    scaleValues);
+            arrowScaleAnimator.setDuration(totalDuration);
+            arrowScaleAnimator.setInterpolator(interpolator);
+            animatorSet.play(arrowScaleAnimator);
+        }
+
         fadeInChildViews(this, alphaValues, childFadeStartDelay, childFadeDuration, animatorSet);
 
         return animatorSet;
diff --git a/src/com/android/launcher3/popup/RoundedArrowDrawable.java b/src/com/android/launcher3/popup/RoundedArrowDrawable.java
index e662d5c..436aa51 100644
--- a/src/com/android/launcher3/popup/RoundedArrowDrawable.java
+++ b/src/com/android/launcher3/popup/RoundedArrowDrawable.java
@@ -78,6 +78,32 @@
         mPath.transform(pathTransform);
     }
 
+    /**
+     * Constructor for an arrow that points to the left or right.
+     *
+     * @param width        of the arrow.
+     * @param height       of the arrow.
+     * @param radius       of the tip of the arrow.
+     * @param isPointingLeft or not.
+     * @param color        to draw the triangle.
+     */
+    public RoundedArrowDrawable(float width, float height, float radius, boolean isPointingLeft,
+            int color) {
+        mPath = new Path();
+        mPaint = new Paint();
+        mPaint.setColor(color);
+        mPaint.setStyle(Paint.Style.FILL);
+        mPaint.setAntiAlias(true);
+
+        // Make the drawable with the triangle pointing down...
+        addDownPointingRoundedTriangleToPath(width, height, radius, mPath);
+
+        // ... then rotate it to the side it needs to point.
+        Matrix pathTransform = new Matrix();
+        pathTransform.setRotate(isPointingLeft ? 90 : -90, width * 0.5f, height * 0.5f);
+        mPath.transform(pathTransform);
+    }
+
     @Override
     public void draw(Canvas canvas) {
         canvas.drawPath(mPath, mPaint);
diff --git a/src/com/android/launcher3/popup/SystemShortcut.java b/src/com/android/launcher3/popup/SystemShortcut.java
index 826c79b..af87275 100644
--- a/src/com/android/launcher3/popup/SystemShortcut.java
+++ b/src/com/android/launcher3/popup/SystemShortcut.java
@@ -41,8 +41,8 @@
         implements View.OnClickListener {
 
     private final int mIconResId;
-    private final int mLabelResId;
-    private final int mAccessibilityActionId;
+    protected final int mLabelResId;
+    protected int mAccessibilityActionId;
 
     protected final T mTarget;
     protected final ItemInfo mItemInfo;
@@ -139,11 +139,43 @@
 
     public static class AppInfo<T extends Context & ActivityContext> extends SystemShortcut<T> {
 
+        @Nullable
+        private SplitAccessibilityInfo mSplitA11yInfo;
+
         public AppInfo(T target, ItemInfo itemInfo) {
             super(R.drawable.ic_info_no_shadow, R.string.app_info_drop_target_label, target,
                     itemInfo);
         }
 
+        /**
+         * Constructor used by overview for staged split to provide custom A11y information.
+         *
+         * Future improvements considerations:
+         * Have the logic in {@link #createAccessibilityAction(Context)} be moved to super
+         * call in {@link SystemShortcut#createAccessibilityAction(Context)} by having
+         * SystemShortcut be aware of TaskContainers and staged split.
+         * That way it could directly create the correct node info for any shortcut that supports
+         * split, but then we'll need custom resIDs for each pair of shortcuts.
+         */
+        public AppInfo(T target, ItemInfo itemInfo, SplitAccessibilityInfo accessibilityInfo) {
+            this(target, itemInfo);
+            mSplitA11yInfo = accessibilityInfo;
+            mAccessibilityActionId = accessibilityInfo.nodeId;
+        }
+
+        @Override
+        public AccessibilityNodeInfo.AccessibilityAction createAccessibilityAction(
+                Context context) {
+            if (mSplitA11yInfo != null && mSplitA11yInfo.containsMultipleTasks) {
+                String accessibilityLabel = context.getString(R.string.split_app_info_accessibility,
+                        mSplitA11yInfo.taskTitle);
+                return new AccessibilityNodeInfo.AccessibilityAction(mAccessibilityActionId,
+                        accessibilityLabel);
+            } else {
+                return super.createAccessibilityAction(context);
+            }
+        }
+
         @Override
         public void onClick(View view) {
             dismissTaskMenuView(mTarget);
@@ -153,6 +185,19 @@
             mTarget.getStatsLogManager().logger().withItemInfo(mItemInfo)
                     .log(LAUNCHER_SYSTEM_SHORTCUT_APP_INFO_TAP);
         }
+
+        public static class SplitAccessibilityInfo {
+            public final boolean containsMultipleTasks;
+            public final CharSequence taskTitle;
+            public final int nodeId;
+
+            public SplitAccessibilityInfo(boolean containsMultipleTasks,
+                    CharSequence taskTitle, int nodeId) {
+                this.containsMultipleTasks = containsMultipleTasks;
+                this.taskTitle = taskTitle;
+                this.nodeId = nodeId;
+            }
+        }
     }
 
     public static final Factory<BaseDraggingActivity> INSTALL = (activity, itemInfo) -> {
diff --git a/src/com/android/launcher3/settings/SettingsActivity.java b/src/com/android/launcher3/settings/SettingsActivity.java
index f348a33..0c39632 100644
--- a/src/com/android/launcher3/settings/SettingsActivity.java
+++ b/src/com/android/launcher3/settings/SettingsActivity.java
@@ -49,6 +49,7 @@
 import com.android.launcher3.Utilities;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.model.WidgetsModel;
+import com.android.launcher3.states.RotationHelper;
 import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
 
 import java.util.Collections;
@@ -253,12 +254,13 @@
                 case ALLOW_ROTATION_PREFERENCE_KEY:
                     DeviceProfile deviceProfile = InvariantDeviceProfile.INSTANCE.get(
                             getContext()).getDeviceProfile(getContext());
-                    if (deviceProfile.allowRotation) {
+                    if (deviceProfile.isTablet) {
                         // Launcher supports rotation by default. No need to show this setting.
                         return false;
                     }
                     // Initialize the UI once
-                    preference.setDefaultValue(false);
+                    preference.setDefaultValue(
+                            RotationHelper.getAllowRotationDefaultValue(deviceProfile));
                     return true;
 
                 case FLAGS_PREFERENCE_KEY:
diff --git a/src/com/android/launcher3/states/RotationHelper.java b/src/com/android/launcher3/states/RotationHelper.java
index 87871b1..867fd99 100644
--- a/src/com/android/launcher3/states/RotationHelper.java
+++ b/src/com/android/launcher3/states/RotationHelper.java
@@ -18,6 +18,10 @@
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_LOCKED;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
+import static android.util.DisplayMetrics.DENSITY_DEVICE_STABLE;
+
+import static com.android.launcher3.Utilities.dpiFromPx;
+import static com.android.launcher3.util.WindowManagerCompat.MIN_TABLET_WIDTH;
 
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
@@ -25,7 +29,6 @@
 import com.android.launcher3.BaseActivity;
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.util.ActivityTracker;
 import com.android.launcher3.util.UiThreadHelper;
 
 /**
@@ -38,6 +41,17 @@
 
     public static final String ALLOW_ROTATION_PREFERENCE_KEY = "pref_allowRotation";
 
+    /**
+     * Returns the default value of {@link #ALLOW_ROTATION_PREFERENCE_KEY} preference.
+     */
+    public static boolean getAllowRotationDefaultValue(DeviceProfile deviceProfile) {
+        // If the device's pixel density was scaled (usually via settings for A11y), use the
+        // original dimensions to determine if rotation is allowed of not.
+        float originalSmallestWidth = dpiFromPx(
+                Math.min(deviceProfile.widthPx, deviceProfile.heightPx), DENSITY_DEVICE_STABLE);
+        return originalSmallestWidth >= MIN_TABLET_WIDTH;
+    }
+
     public static final int REQUEST_NONE = 0;
     public static final int REQUEST_ROTATE = 1;
     public static final int REQUEST_LOCK = 2;
@@ -51,7 +65,7 @@
 
     /**
      * Rotation request made by
-     * {@link ActivityTracker.SchedulerCallback}.
+     * {@link com.android.launcher3.util.ActivityTracker.SchedulerCallback}.
      * This supersedes any other request.
      */
     private int mStateHandlerRequest = REQUEST_NONE;
@@ -84,7 +98,7 @@
                 mSharedPrefs.registerOnSharedPreferenceChangeListener(this);
             }
             mHomeRotationEnabled = mSharedPrefs.getBoolean(ALLOW_ROTATION_PREFERENCE_KEY,
-                    mActivity.getDeviceProfile().allowRotation);
+                    getAllowRotationDefaultValue(mActivity.getDeviceProfile()));
         } else {
             if (mSharedPrefs != null) {
                 mSharedPrefs.unregisterOnSharedPreferenceChangeListener(this);
@@ -98,7 +112,7 @@
         if (mDestroyed) return;
         boolean wasRotationEnabled = mHomeRotationEnabled;
         mHomeRotationEnabled = mSharedPrefs.getBoolean(ALLOW_ROTATION_PREFERENCE_KEY,
-                mActivity.getDeviceProfile().allowRotation);
+                getAllowRotationDefaultValue(mActivity.getDeviceProfile()));
         if (mHomeRotationEnabled != wasRotationEnabled) {
             notifyChange();
         }
@@ -106,7 +120,7 @@
 
     @Override
     public void onDeviceProfileChanged(DeviceProfile dp) {
-        boolean ignoreAutoRotateSettings = dp.allowRotation;
+        boolean ignoreAutoRotateSettings = dp.isTablet;
         if (mIgnoreAutoRotateSettings != ignoreAutoRotateSettings) {
             setIgnoreAutoRotateSettings(ignoreAutoRotateSettings);
             notifyChange();
@@ -143,7 +157,7 @@
     public void initialize() {
         if (!mInitialized) {
             mInitialized = true;
-            setIgnoreAutoRotateSettings(mActivity.getDeviceProfile().allowRotation);
+            setIgnoreAutoRotateSettings(mActivity.getDeviceProfile().isTablet);
             mActivity.addOnDeviceProfileChangeListener(this);
             notifyChange();
         }
diff --git a/src/com/android/launcher3/testing/TestProtocol.java b/src/com/android/launcher3/testing/TestProtocol.java
index 7b7784f..673b011 100644
--- a/src/com/android/launcher3/testing/TestProtocol.java
+++ b/src/com/android/launcher3/testing/TestProtocol.java
@@ -125,5 +125,4 @@
     public static final String TASK_VIEW_ID_CRASH = "b/195430732";
     public static final String NO_DROP_TARGET = "b/195031154";
     public static final String NULL_INT_SET = "b/200572078";
-    public static final String NO_SCREENSHOT = "b/202414125";
 }
diff --git a/src/com/android/launcher3/touch/LandscapePagedViewHandler.java b/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
index 93e3ea7..e127074 100644
--- a/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
+++ b/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
@@ -101,12 +101,12 @@
     }
 
     @Override
-    public <T> void set(T target, Int2DAction<T> action, int param) {
+    public <T> void setPrimary(T target, Int2DAction<T> action, int param) {
         action.call(target, 0, param);
     }
 
     @Override
-    public <T> void set(T target, Float2DAction<T> action, float param) {
+    public <T> void setPrimary(T target, Float2DAction<T> action, float param) {
         action.call(target, 0, param);
     }
 
@@ -116,6 +116,12 @@
     }
 
     @Override
+    public <T> void set(T target, Int2DAction<T> action, int primaryParam,
+            int secondaryParam) {
+        action.call(target, secondaryParam, primaryParam);
+    }
+
+    @Override
     public float getPrimaryDirection(MotionEvent event, int pointerIndex) {
         return event.getY(pointerIndex);
     }
@@ -429,7 +435,7 @@
 
     @Override
     public void setSplitIconParams(View primaryIconView, View secondaryIconView,
-            int taskIconHeight, Rect primarySnapshotBounds, Rect secondarySnapshotBounds,
+            int taskIconHeight, int primarySnapshotWidth, int primarySnapshotHeight,
             boolean isRtl, DeviceProfile deviceProfile, StagedSplitBounds splitConfig) {
         FrameLayout.LayoutParams primaryIconParams =
                 (FrameLayout.LayoutParams) primaryIconView.getLayoutParams();
@@ -439,13 +445,12 @@
                 splitConfig.visualDividerBounds.height() :
                 splitConfig.visualDividerBounds.width());
 
-        int primaryHeight = primarySnapshotBounds.height();
         primaryIconParams.gravity = (isRtl ? START : END) | TOP;
-        primaryIconView.setTranslationY(primaryHeight - primaryIconView.getHeight() / 2f);
+        primaryIconView.setTranslationY(primarySnapshotHeight - primaryIconView.getHeight() / 2f);
         primaryIconView.setTranslationX(0);
 
         secondaryIconParams.gravity = (isRtl ? START : END) | TOP;
-        secondaryIconView.setTranslationY(primaryHeight + taskIconHeight + dividerBar);
+        secondaryIconView.setTranslationY(primarySnapshotHeight + taskIconHeight + dividerBar);
         secondaryIconView.setTranslationX(0);
         primaryIconView.setLayoutParams(primaryIconParams);
         secondaryIconView.setLayoutParams(secondaryIconParams);
diff --git a/src/com/android/launcher3/touch/PagedOrientationHandler.java b/src/com/android/launcher3/touch/PagedOrientationHandler.java
index 2ff2feb..d954552 100644
--- a/src/com/android/launcher3/touch/PagedOrientationHandler.java
+++ b/src/com/android/launcher3/touch/PagedOrientationHandler.java
@@ -65,9 +65,10 @@
     Float2DAction<Canvas> CANVAS_TRANSLATE = Canvas::translate;
     Float2DAction<Matrix> MATRIX_POST_TRANSLATE = Matrix::postTranslate;
 
-    <T> void set(T target, Int2DAction<T> action, int param);
-    <T> void set(T target, Float2DAction<T> action, float param);
+    <T> void setPrimary(T target, Int2DAction<T> action, int param);
+    <T> void setPrimary(T target, Float2DAction<T> action, float param);
     <T> void setSecondary(T target, Float2DAction<T> action, float param);
+    <T> void set(T target, Int2DAction<T> action, int primaryParam, int secondaryParam);
     float getPrimaryDirection(MotionEvent event, int pointerIndex);
     float getPrimaryVelocity(VelocityTracker velocityTracker, int pointerId);
     int getMeasuredSize(View view);
@@ -152,7 +153,7 @@
     void setIconAndSnapshotParams(View iconView, int taskIconMargin, int taskIconHeight,
             FrameLayout.LayoutParams snapshotParams, boolean isRtl);
     void setSplitIconParams(View primaryIconView, View secondaryIconView,
-            int taskIconHeight, Rect primarySnapshotBounds, Rect secondarySnapshotBounds,
+            int taskIconHeight, int primarySnapshotWidth, int primarySnapshotHeight,
             boolean isRtl, DeviceProfile deviceProfile, StagedSplitBounds splitConfig);
 
     /*
diff --git a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
index 8caf886..fbc335c 100644
--- a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
+++ b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
@@ -101,12 +101,12 @@
     }
 
     @Override
-    public <T> void set(T target, Int2DAction<T> action, int param) {
+    public <T> void setPrimary(T target, Int2DAction<T> action, int param) {
         action.call(target, param, 0);
     }
 
     @Override
-    public <T> void set(T target, Float2DAction<T> action, float param) {
+    public <T> void setPrimary(T target, Float2DAction<T> action, float param) {
         action.call(target, param, 0);
     }
 
@@ -116,6 +116,12 @@
     }
 
     @Override
+    public <T> void set(T target, Int2DAction<T> action, int primaryParam,
+            int secondaryParam) {
+        action.call(target, primaryParam, secondaryParam);
+    }
+
+    @Override
     public float getPrimaryDirection(MotionEvent event, int pointerIndex) {
         return event.getX(pointerIndex);
     }
@@ -451,24 +457,19 @@
     public void setSplitTaskSwipeRect(DeviceProfile dp, Rect outRect,
             StagedSplitBounds splitInfo, int desiredStagePosition) {
         boolean isLandscape = dp.isLandscape;
-        float verticalDividerDiff = splitInfo.visualDividerBounds.height() / 2f;
-        float horizontalDividerDiff = splitInfo.visualDividerBounds.width() / 2f;
-        float diff;
         if (desiredStagePosition == SplitConfigurationOptions.STAGE_POSITION_TOP_OR_LEFT) {
             if (isLandscape) {
-                diff = outRect.width() * (1f - splitInfo.leftTaskPercent) + horizontalDividerDiff;
-                outRect.right -= diff;
+                outRect.right = outRect.left + (int) (outRect.width() * splitInfo.leftTaskPercent);
             } else {
-                diff = outRect.height() * (1f - splitInfo.topTaskPercent) + verticalDividerDiff;
-                outRect.bottom -= diff;
+                outRect.bottom = outRect.top + (int) (outRect.height() * splitInfo.topTaskPercent);
             }
         } else {
             if (isLandscape) {
-                diff = outRect.width() * splitInfo.leftTaskPercent + horizontalDividerDiff;
-                outRect.left += diff;
+                outRect.left += (int) (outRect.width() *
+                        (splitInfo.leftTaskPercent + splitInfo.dividerWidthPercent));
             } else {
-                diff = outRect.height() * splitInfo.topTaskPercent + verticalDividerDiff;
-                outRect.top += diff;
+                outRect.top += (int) (outRect.height() *
+                        (splitInfo.topTaskPercent + splitInfo.dividerHeightPercent));
             }
         }
     }
@@ -479,9 +480,9 @@
             StagedSplitBounds splitBoundsConfig, DeviceProfile dp) {
         int spaceAboveSnapshot = dp.overviewTaskThumbnailTopMarginPx;
         int totalThumbnailHeight = parentHeight - spaceAboveSnapshot;
-        int dividerBar = (splitBoundsConfig.appsStackedVertically ?
-                splitBoundsConfig.visualDividerBounds.height() :
-                splitBoundsConfig.visualDividerBounds.width());
+        int dividerBar = splitBoundsConfig.appsStackedVertically
+                ? (int) (splitBoundsConfig.dividerHeightPercent * parentHeight)
+                : (int) (splitBoundsConfig.dividerWidthPercent * parentWidth);
         int primarySnapshotHeight;
         int primarySnapshotWidth;
         int secondarySnapshotHeight;
@@ -528,7 +529,7 @@
 
     @Override
     public void setSplitIconParams(View primaryIconView, View secondaryIconView,
-            int taskIconHeight, Rect primarySnapshotBounds, Rect secondarySnapshotBounds,
+            int taskIconHeight, int primarySnapshotWidth, int primarySnapshotHeight,
             boolean isRtl, DeviceProfile deviceProfile, StagedSplitBounds splitConfig) {
         FrameLayout.LayoutParams primaryIconParams =
                 (FrameLayout.LayoutParams) primaryIconView.getLayoutParams();
@@ -538,15 +539,12 @@
                 splitConfig.visualDividerBounds.height() :
                 splitConfig.visualDividerBounds.width());
 
-        int primaryWidth = primarySnapshotBounds.width();
         if (deviceProfile.isLandscape) {
             primaryIconParams.gravity = TOP | START;
-            primaryIconView.setTranslationX(primaryWidth - primaryIconView.getWidth());
+            primaryIconView.setTranslationX(primarySnapshotWidth - primaryIconView.getWidth());
             primaryIconView.setTranslationY(0);
-
             secondaryIconParams.gravity = TOP | START;
-            secondaryIconView.setTranslationX(primaryWidth + dividerBar);
-            secondaryIconView.setTranslationY(0);
+            secondaryIconView.setTranslationX(primarySnapshotWidth + dividerBar);
         } else {
             primaryIconParams.gravity = TOP | CENTER_HORIZONTAL;
             primaryIconView.setTranslationX(-(primaryIconView.getWidth()) / 2f);
@@ -554,8 +552,8 @@
 
             secondaryIconParams.gravity = TOP | CENTER_HORIZONTAL;
             secondaryIconView.setTranslationX(secondaryIconView.getWidth() / 2f);
-            secondaryIconView.setTranslationY(0);
         }
+        secondaryIconView.setTranslationY(0);
         primaryIconView.setLayoutParams(primaryIconParams);
         secondaryIconView.setLayoutParams(secondaryIconParams);
     }
diff --git a/src/com/android/launcher3/touch/SeascapePagedViewHandler.java b/src/com/android/launcher3/touch/SeascapePagedViewHandler.java
index a0dde22..539e3f8 100644
--- a/src/com/android/launcher3/touch/SeascapePagedViewHandler.java
+++ b/src/com/android/launcher3/touch/SeascapePagedViewHandler.java
@@ -132,10 +132,10 @@
 
     @Override
     public void setSplitIconParams(View primaryIconView, View secondaryIconView,
-            int taskIconHeight, Rect primarySnapshotBounds, Rect secondarySnapshotBounds,
+            int taskIconHeight, int primarySnapshotWidth, int primarySnapshotHeight,
             boolean isRtl, DeviceProfile deviceProfile, StagedSplitBounds splitConfig) {
         super.setSplitIconParams(primaryIconView, secondaryIconView, taskIconHeight,
-                primarySnapshotBounds, secondarySnapshotBounds, isRtl, deviceProfile, splitConfig);
+                primarySnapshotWidth, primarySnapshotHeight, isRtl, deviceProfile, splitConfig);
         FrameLayout.LayoutParams primaryIconParams =
                 (FrameLayout.LayoutParams) primaryIconView.getLayoutParams();
         FrameLayout.LayoutParams secondaryIconParams =
diff --git a/src/com/android/launcher3/util/DisplayController.java b/src/com/android/launcher3/util/DisplayController.java
index 2068c29..c050c6c 100644
--- a/src/com/android/launcher3/util/DisplayController.java
+++ b/src/com/android/launcher3/util/DisplayController.java
@@ -261,6 +261,13 @@
             PortraitSize realSize = new PortraitSize(newInfo.currentSize.x, newInfo.currentSize.y);
             PortraitSize expectedSize = oldInfo.mInternalDisplays.get(
                     ApiWrapper.getUniqueId(display));
+            if (newInfo.supportedBounds.size() != oldInfo.supportedBounds.size()) {
+                Log.e("b/198965093",
+                        "Inconsistent number of displays"
+                                + "\ndisplay state: " + display.getState()
+                                + "\noldInfo.supportedBounds: " + oldInfo.supportedBounds
+                                + "\nnewInfo.supportedBounds: " + newInfo.supportedBounds);
+            }
             if (!realSize.equals(expectedSize) && display.getState() == Display.STATE_OFF) {
                 Log.e("b/198965093", "Display size changed while display is off, ignoring change");
                 return;
diff --git a/src/com/android/launcher3/util/MultiValueAlpha.java b/src/com/android/launcher3/util/MultiValueAlpha.java
index bd39391..326141d 100644
--- a/src/com/android/launcher3/util/MultiValueAlpha.java
+++ b/src/com/android/launcher3/util/MultiValueAlpha.java
@@ -24,6 +24,7 @@
 import com.android.launcher3.anim.AlphaUpdateListener;
 
 import java.util.Arrays;
+import java.util.function.Consumer;
 
 /**
  * Utility class to handle separating a single value as a factor of multiple values
@@ -85,6 +86,8 @@
         // Factor of all other alpha channels, only valid if mMyMask is present in mValidMask.
         private float mOthers = 1;
 
+        private Consumer<Float> mConsumer;
+
         AlphaProperty(int myMask) {
             mMyMask = myMask;
         }
@@ -109,16 +112,24 @@
             mValidMask = mMyMask;
             mValue = value;
 
-            mView.setAlpha(mOthers * mValue);
+            final float alpha = mOthers * mValue;
+            mView.setAlpha(alpha);
             if (mUpdateVisibility) {
                 AlphaUpdateListener.updateVisibility(mView);
             }
+            if (mConsumer != null) {
+                mConsumer.accept(mValue);
+            }
         }
 
         public float getValue() {
             return mValue;
         }
 
+        public void setConsumer(Consumer<Float> consumer) {
+            mConsumer = consumer;
+        }
+
         @Override
         public String toString() {
             return Float.toString(mValue);
diff --git a/src/com/android/launcher3/util/SplitConfigurationOptions.java b/src/com/android/launcher3/util/SplitConfigurationOptions.java
index 6aef38f..53b1c3e 100644
--- a/src/com/android/launcher3/util/SplitConfigurationOptions.java
+++ b/src/com/android/launcher3/util/SplitConfigurationOptions.java
@@ -99,6 +99,8 @@
         // This class is orientation-agnostic, so we compute both for later use
         public final float topTaskPercent;
         public final float leftTaskPercent;
+        public final float dividerWidthPercent;
+        public final float dividerHeightPercent;
         /**
          * If {@code true}, that means at the time of creation of this object, the
          * split-screened apps were vertically stacked. This is useful in scenarios like
@@ -130,6 +132,8 @@
 
             leftTaskPercent = this.leftTopBounds.width() / (float) rightBottomBounds.right;
             topTaskPercent = this.leftTopBounds.height() / (float) rightBottomBounds.bottom;
+            dividerWidthPercent = visualDividerBounds.width() / (float) rightBottomBounds.right;
+            dividerHeightPercent = visualDividerBounds.height() / (float) rightBottomBounds.bottom;
         }
     }
 
diff --git a/src/com/android/launcher3/widget/DatabaseWidgetPreviewLoader.java b/src/com/android/launcher3/widget/DatabaseWidgetPreviewLoader.java
index aacb9c5..784f4f0 100644
--- a/src/com/android/launcher3/widget/DatabaseWidgetPreviewLoader.java
+++ b/src/com/android/launcher3/widget/DatabaseWidgetPreviewLoader.java
@@ -25,11 +25,15 @@
 import android.graphics.Paint;
 import android.graphics.PorterDuff;
 import android.graphics.PorterDuffXfermode;
+import android.graphics.Rect;
 import android.graphics.RectF;
+import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
 import android.os.AsyncTask;
 import android.os.Handler;
 import android.os.Process;
+import android.os.UserHandle;
+import android.util.ArrayMap;
 import android.util.Log;
 import android.util.Size;
 
@@ -40,6 +44,7 @@
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.icons.BitmapRenderer;
+import com.android.launcher3.icons.FastBitmapDrawable;
 import com.android.launcher3.icons.LauncherIcons;
 import com.android.launcher3.icons.ShadowGenerator;
 import com.android.launcher3.icons.cache.HandlerRunnable;
@@ -60,6 +65,9 @@
     private final Context mContext;
     private final float mPreviewBoxCornerRadius;
 
+    private final UserHandle mMyUser = Process.myUserHandle();
+    private final ArrayMap<UserHandle, Bitmap> mUserBadges = new ArrayMap<>();
+
     public DatabaseWidgetPreviewLoader(Context context) {
         mContext = context;
         float previewCornerRadius = RoundedCornerEnforcement.computeEnforcedRadius(context);
@@ -101,6 +109,52 @@
     }
 
     /**
+     * Returns a drawable that can be used as a badge for the user or null.
+     */
+   // @UiThread
+    public Drawable getBadgeForUser(UserHandle user, int badgeSize) {
+        if (mMyUser.equals(user)) {
+            return null;
+        }
+
+        Bitmap badgeBitmap = getUserBadge(user, badgeSize);
+        FastBitmapDrawable d = new FastBitmapDrawable(badgeBitmap);
+        d.setFilterBitmap(true);
+        d.setBounds(0, 0, badgeBitmap.getWidth(), badgeBitmap.getHeight());
+        return d;
+    }
+
+    private Bitmap getUserBadge(UserHandle user, int badgeSize) {
+        synchronized (mUserBadges) {
+            Bitmap badgeBitmap = mUserBadges.get(user);
+            if (badgeBitmap != null) {
+                return badgeBitmap;
+            }
+
+            final Resources res = mContext.getResources();
+            badgeBitmap = Bitmap.createBitmap(badgeSize, badgeSize, Bitmap.Config.ARGB_8888);
+
+            Drawable drawable = mContext.getPackageManager().getUserBadgedDrawableForDensity(
+                    new BitmapDrawable(res, badgeBitmap), user,
+                    new Rect(0, 0, badgeSize, badgeSize),
+                    0);
+            if (drawable instanceof BitmapDrawable) {
+                badgeBitmap = ((BitmapDrawable) drawable).getBitmap();
+            } else {
+                badgeBitmap.eraseColor(Color.TRANSPARENT);
+                Canvas c = new Canvas(badgeBitmap);
+                drawable.setBounds(0, 0, badgeSize, badgeSize);
+                drawable.draw(c);
+                c.setBitmap(null);
+            }
+
+            mUserBadges.put(user, badgeBitmap);
+            return badgeBitmap;
+        }
+    }
+
+
+    /**
      * Generates the widget preview from either the {@link WidgetManagerHelper} or cache
      * and add badge at the bottom right corner.
      *
diff --git a/src/com/android/launcher3/widget/WidgetCell.java b/src/com/android/launcher3/widget/WidgetCell.java
index f1ac656..c92fe5a 100644
--- a/src/com/android/launcher3/widget/WidgetCell.java
+++ b/src/com/android/launcher3/widget/WidgetCell.java
@@ -36,6 +36,7 @@
 import android.view.ViewPropertyAnimator;
 import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.FrameLayout;
+import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.RemoteViews;
 import android.widget.TextView;
@@ -47,6 +48,7 @@
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
+import com.android.launcher3.icons.BaseIconFactory;
 import com.android.launcher3.icons.FastBitmapDrawable;
 import com.android.launcher3.icons.RoundDrawableWrapper;
 import com.android.launcher3.icons.cache.HandlerRunnable;
@@ -111,6 +113,7 @@
 
     private FrameLayout mWidgetImageContainer;
     private WidgetImageView mWidgetImage;
+    private ImageView mWidgetBadge;
     private TextView mWidgetName;
     private TextView mWidgetDims;
     private TextView mWidgetDescription;
@@ -166,6 +169,7 @@
 
         mWidgetImageContainer = findViewById(R.id.widget_preview_container);
         mWidgetImage = findViewById(R.id.widget_preview);
+        mWidgetBadge = findViewById(R.id.widget_badge);
         mWidgetName = findViewById(R.id.widget_name);
         mWidgetDims = findViewById(R.id.widget_dims);
         mWidgetDescription = findViewById(R.id.widget_description);
@@ -195,6 +199,8 @@
         mWidgetImage.animate().cancel();
         mWidgetImage.setDrawable(null);
         mWidgetImage.setVisibility(View.VISIBLE);
+        mWidgetBadge.setImageDrawable(null);
+        mWidgetBadge.setVisibility(View.GONE);
         mWidgetName.setText(null);
         mWidgetDims.setText(null);
         mWidgetDescription.setText(null);
@@ -349,6 +355,7 @@
                 mAppWidgetHostViewPreview = null;
             }
         }
+
         if (mAnimatePreview) {
             mWidgetImageContainer.setAlpha(0f);
             ViewPropertyAnimator anim = mWidgetImageContainer.animate();
@@ -362,6 +369,20 @@
         }
     }
 
+    /** Used to show the badge when the widget is in the recommended section
+     */
+    public void showBadge() {
+        Drawable badge = mWidgetPreviewLoader.getBadgeForUser(mItem.user,
+                BaseIconFactory.getBadgeSizeForIconSize(
+                        mActivity.getDeviceProfile().allAppsIconSizePx));
+        if (badge == null) {
+            mWidgetBadge.setVisibility(View.GONE);
+        } else {
+            mWidgetBadge.setVisibility(View.VISIBLE);
+            mWidgetBadge.setImageDrawable(badge);
+        }
+    }
+
     private void setContainerSize(int width, int height) {
         LayoutParams layoutParams = (LayoutParams) mWidgetImageContainer.getLayoutParams();
         layoutParams.width = width;
diff --git a/src/com/android/launcher3/widget/picker/WidgetsRecommendationTableLayout.java b/src/com/android/launcher3/widget/picker/WidgetsRecommendationTableLayout.java
index c986007..06cc65e 100644
--- a/src/com/android/launcher3/widget/picker/WidgetsRecommendationTableLayout.java
+++ b/src/com/android/launcher3/widget/picker/WidgetsRecommendationTableLayout.java
@@ -109,6 +109,7 @@
             for (WidgetItem widgetItem : widgetItems) {
                 WidgetCell widgetCell = addItemCell(tableRow);
                 widgetCell.applyFromCellItem(widgetItem, data.mPreviewScale);
+                widgetCell.showBadge();
             }
             addView(tableRow);
         }
diff --git a/tests/src/com/android/launcher3/model/AddWorkspaceItemsTaskTest.java b/tests/src/com/android/launcher3/model/AddWorkspaceItemsTaskTest.java
index 16f024e..8a4590a 100644
--- a/tests/src/com/android/launcher3/model/AddWorkspaceItemsTaskTest.java
+++ b/tests/src/com/android/launcher3/model/AddWorkspaceItemsTaskTest.java
@@ -86,8 +86,6 @@
 
     @Test
     public void testFindSpaceForItem_prefers_second() throws Exception {
-        mIdp.isSplitDisplay = false;
-
         // First screen has only one hole of size 1
         int nextId = setupWorkspaceWithHoles(1, 1, new Rect(2, 2, 3, 3));
 
@@ -109,24 +107,6 @@
     }
 
     @Test
-    public void testFindSpaceForItem_prefers_third_on_split_display() throws Exception {
-        mIdp.isSplitDisplay = true;
-        // First screen has only one hole of size 1
-        int nextId = setupWorkspaceWithHoles(1, 1, new Rect(2, 2, 3, 3));
-
-        // Second screen has 2 holes of sizes 3x2 and 2x3
-        setupWorkspaceWithHoles(nextId, 2, new Rect(2, 0, 5, 2), new Rect(0, 2, 2, 5));
-
-        int[] spaceFound = newTask().findSpaceForItem(
-                mAppState, mModelHelper.getBgDataModel(), mExistingScreens, mNewScreens, 1, 1);
-        // For split display, it picks the next screen, even if there is enough space
-        // on previous screen
-        assertEquals(2, spaceFound[0]);
-        assertTrue(mScreenOccupancy.get(spaceFound[0])
-                .isRegionVacant(spaceFound[1], spaceFound[2], 1, 1));
-    }
-
-    @Test
     public void testFindSpaceForItem_adds_new_screen() throws Exception {
         // First screen has 2 holes of sizes 3x2 and 2x3
         setupWorkspaceWithHoles(1, 1, new Rect(2, 0, 5, 2), new Rect(0, 2, 2, 5));
diff --git a/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java b/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
index 44f2719..19dca45 100644
--- a/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
+++ b/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
@@ -38,6 +38,7 @@
 import android.os.RemoteException;
 import android.os.UserHandle;
 import android.os.UserManager;
+import android.system.OsConstants;
 import android.util.Log;
 
 import androidx.test.InstrumentationRegistry;
@@ -83,6 +84,7 @@
 import java.util.concurrent.Callable;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
 import java.util.function.Consumer;
 import java.util.function.Function;
 import java.util.function.Supplier;
@@ -327,7 +329,12 @@
      */
     protected <T> T getOnUiThread(final Callable<T> callback) {
         try {
-            return mMainThreadExecutor.submit(callback).get();
+            return mMainThreadExecutor.submit(callback).get(DEFAULT_UI_TIMEOUT,
+                    TimeUnit.MILLISECONDS);
+        } catch (TimeoutException e) {
+            Log.e(TAG, "Timeout in getOnUiThread, sending SIGABRT", e);
+            Process.sendSignal(Process.myPid(), OsConstants.SIGABRT);
+            throw new RuntimeException(e);
         } catch (Throwable e) {
             throw new RuntimeException(e);
         }
diff --git a/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java b/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java
index a9bcd67..c90d283 100644
--- a/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java
+++ b/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java
@@ -107,14 +107,6 @@
         mLauncher.pressHome();
     }
 
-    @Ignore
-    public void testOpenHomeSettingsFromWorkspace() {
-        mDevice.pressMenu();
-        mDevice.waitForIdle();
-        mLauncher.getOptionsPopupMenu().getMenuItem("Home settings")
-                .launch(mDevice.getLauncherPackageName());
-    }
-
     @Test
     public void testPressHomeOnAllAppsContextMenu() throws Exception {
         final AllApps allApps = mLauncher.getWorkspace().switchToAllApps();
diff --git a/tests/src/com/android/launcher3/ui/WorkProfileTest.java b/tests/src/com/android/launcher3/ui/WorkProfileTest.java
index 45d20e2..939cfe1 100644
--- a/tests/src/com/android/launcher3/ui/WorkProfileTest.java
+++ b/tests/src/com/android/launcher3/ui/WorkProfileTest.java
@@ -32,7 +32,6 @@
 import com.android.launcher3.allapps.WorkEduCard;
 import com.android.launcher3.allapps.WorkProfileManager;
 import com.android.launcher3.tapl.LauncherInstrumentation;
-import com.android.launcher3.util.rule.ScreenRecordRule.ScreenRecord;
 
 import org.junit.After;
 import org.junit.Before;
@@ -96,7 +95,6 @@
     }
 
     @Test
-    @ScreenRecord // b/202735477
     public void workTabExists() {
         waitForLauncherCondition("Personal tab is missing",
                 launcher -> launcher.getAppsView().isPersonalTabVisible(),
diff --git a/tests/src/com/android/launcher3/util/rule/TestStabilityRule.java b/tests/src/com/android/launcher3/util/rule/TestStabilityRule.java
index de36d5f..f33a50a 100644
--- a/tests/src/com/android/launcher3/util/rule/TestStabilityRule.java
+++ b/tests/src/com/android/launcher3/util/rule/TestStabilityRule.java
@@ -41,7 +41,7 @@
             Pattern.compile("^("
                     + "(?<local>(BuildFromAndroidStudio|"
                     + "([0-9]+|[A-Z])-eng\\.[a-z]+\\.[0-9]+\\.[0-9]+))|"
-                    + "(?<platform>[A-Z]([a-z]|[0-9])*)"
+                    + "(?<platform>([A-Z][a-z]*[0-9]*|[0-9]+)*)"
                     + ")$");
     private static final Pattern PLATFORM_BUILD =
             Pattern.compile("^("
diff --git a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
index f3e3ec5..3485dd1 100644
--- a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
+++ b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
@@ -544,11 +544,11 @@
                     : TestHelpers.getSystemHealthMessage(getContext(), mTestStartTime);
 
             if (systemHealth != null) {
-                return message
-                        + ";\nPerhaps linked to system health problems:\n<<<<<<<<<<<<<<<<<<\n"
+                message += ";\nPerhaps linked to system health problems:\n<<<<<<<<<<<<<<<<<<\n"
                         + systemHealth + "\n>>>>>>>>>>>>>>>>>>";
             }
         }
+        Log.d(TAG, "About to throw the error: " + message, new Exception());
         return message;
     }
 
@@ -1025,20 +1025,6 @@
         }
     }
 
-    /**
-     * Gets the Options Popup Menu object if the current state is showing the popup menu. Fails if
-     * the launcher is not in that state.
-     *
-     * @return Options Popup Menu object.
-     */
-    @NonNull
-    public OptionsPopupMenu getOptionsPopupMenu() {
-        try (LauncherInstrumentation.Closable c = addContextLayer(
-                "want to get context menu object")) {
-            return new OptionsPopupMenu(this);
-        }
-    }
-
     void waitUntilLauncherObjectGone(String resId) {
         waitUntilGoneBySelector(getLauncherObjectSelector(resId));
     }
diff --git a/tests/tapl/com/android/launcher3/tapl/OptionsPopupMenu.java b/tests/tapl/com/android/launcher3/tapl/OptionsPopupMenu.java
deleted file mode 100644
index 787dc70..0000000
--- a/tests/tapl/com/android/launcher3/tapl/OptionsPopupMenu.java
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (C) 2020 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.launcher3.tapl;
-
-import androidx.annotation.NonNull;
-import androidx.test.uiautomator.By;
-import androidx.test.uiautomator.UiObject2;
-
-public class OptionsPopupMenu {
-
-    private final LauncherInstrumentation mLauncher;
-    private final UiObject2 mDeepShortcutsContainer;
-
-    OptionsPopupMenu(LauncherInstrumentation launcher) {
-        mLauncher = launcher;
-        mDeepShortcutsContainer = launcher.waitForLauncherObject("popup_container");
-    }
-
-    /**
-     * Returns a menu item with a given label. Fails if it doesn't exist.
-     */
-    @NonNull
-    public OptionsPopupMenuItem getMenuItem(@NonNull final String label) {
-        final UiObject2 menuItem = mLauncher.waitForObjectInContainer(mDeepShortcutsContainer,
-                By.text(label));
-        return new OptionsPopupMenuItem(mLauncher, menuItem);
-    }
-}