diff --git a/Android.bp b/Android.bp
index 43d28c9..c8d9186 100644
--- a/Android.bp
+++ b/Android.bp
@@ -33,6 +33,9 @@
 
 android_library {
     name: "launcher-aosp-tapl",
+    libs: [
+        "framework-statsd",
+    ],
     static_libs: [
         "androidx.annotation_annotation",
         "androidx.test.runner",
@@ -192,6 +195,9 @@
     resource_dirs: [
         "quickstep/res",
     ],
+    libs: [
+        "framework-statsd",
+    ],
     static_libs: [
         "Launcher3ResLib",
         "SystemUISharedLib",
@@ -261,6 +267,9 @@
     resource_dirs: [
         "quickstep/res",
     ],
+    libs: [
+        "framework-statsd",
+    ],
     static_libs: [
         "SystemUI-statsd",
         "SystemUISharedLib",
diff --git a/quickstep/res/layout/taskbar.xml b/quickstep/res/layout/taskbar.xml
index b4c168c..83ad9f3 100644
--- a/quickstep/res/layout/taskbar.xml
+++ b/quickstep/res/layout/taskbar.xml
@@ -52,6 +52,7 @@
             android:orientation="horizontal"
             android:paddingLeft="@dimen/taskbar_nav_buttons_spacing"
             android:paddingRight="@dimen/taskbar_nav_buttons_spacing"
+            android:layout_marginEnd="@dimen/taskbar_contextual_button_margin"
             android:gravity="center_vertical"
             android:layout_gravity="end"/>
 
diff --git a/quickstep/res/layout/taskbar_contextual_button.xml b/quickstep/res/layout/taskbar_contextual_button.xml
new file mode 100644
index 0000000..cbbbfab
--- /dev/null
+++ b/quickstep/res/layout/taskbar_contextual_button.xml
@@ -0,0 +1,23 @@
+<?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.
+-->
+<ImageView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="@dimen/taskbar_contextual_buttons_size"
+    android:layout_height="@dimen/taskbar_contextual_buttons_size"
+    android:layout_marginTop="@dimen/taskbar_contextual_button_margin"
+    android:paddingStart="@dimen/taskbar_nav_buttons_spacing"
+    android:background="@drawable/taskbar_icon_click_feedback_roundrect"
+    android:scaleType="center"/>
\ 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 985f928..4ffb8d8 100644
--- a/quickstep/res/layout/taskbar_nav_button.xml
+++ b/quickstep/res/layout/taskbar_nav_button.xml
@@ -1,4 +1,18 @@
 <?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.
+-->
 <ImageView
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="@dimen/taskbar_nav_buttons_size"
diff --git a/quickstep/res/values/config.xml b/quickstep/res/values/config.xml
index d67b23b..31c0f5f 100644
--- a/quickstep/res/values/config.xml
+++ b/quickstep/res/values/config.xml
@@ -30,6 +30,7 @@
          determines how many thumbnails will be fetched in the background. -->
     <integer name="recentsThumbnailCacheSize">3</integer>
     <integer name="recentsIconCacheSize">12</integer>
+    <integer name="recentsScrollHapticMinGapMillis">20</integer>
 
     <!-- Assistant Gesture -->
     <integer name="assistant_gesture_min_time_threshold">200</integer>
diff --git a/quickstep/res/values/dimens.xml b/quickstep/res/values/dimens.xml
index e7de0ac..c649082 100644
--- a/quickstep/res/values/dimens.xml
+++ b/quickstep/res/values/dimens.xml
@@ -163,6 +163,8 @@
     <dimen name="taskbar_folder_margin">16dp</dimen>
     <dimen name="taskbar_nav_buttons_spacing">16dp</dimen>
     <dimen name="taskbar_nav_buttons_size">48dp</dimen>
+    <dimen name="taskbar_contextual_button_margin">16dp</dimen>
+    <dimen name="taskbar_contextual_buttons_size">35dp</dimen>
     <dimen name="taskbar_stashed_size">24dp</dimen>
     <dimen name="taskbar_stashed_handle_width">220dp</dimen>
     <dimen name="taskbar_stashed_handle_height">6dp</dimen>
diff --git a/quickstep/robolectric_tests/src/com/android/quickstep/util/TaskViewSimulatorTest.java b/quickstep/robolectric_tests/src/com/android/quickstep/util/TaskViewSimulatorTest.java
deleted file mode 100644
index fd93d98..0000000
--- a/quickstep/robolectric_tests/src/com/android/quickstep/util/TaskViewSimulatorTest.java
+++ /dev/null
@@ -1,206 +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.quickstep.util;
-
-import static android.view.Display.DEFAULT_DISPLAY;
-
-import static org.mockito.Mockito.mock;
-
-import android.content.Context;
-import android.graphics.Rect;
-import android.graphics.RectF;
-import android.hardware.display.DisplayManager;
-import android.view.Surface;
-import android.view.SurfaceControl;
-
-import com.android.launcher3.DeviceProfile;
-import com.android.launcher3.InvariantDeviceProfile;
-import com.android.launcher3.shadows.LShadowDisplay;
-import com.android.launcher3.util.DisplayController;
-import com.android.quickstep.LauncherActivityInterface;
-import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
-import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams;
-
-import org.hamcrest.Description;
-import org.hamcrest.TypeSafeMatcher;
-import org.junit.Assert;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.robolectric.RobolectricTestRunner;
-import org.robolectric.RuntimeEnvironment;
-import org.robolectric.annotation.LooperMode;
-import org.robolectric.annotation.LooperMode.Mode;
-import org.robolectric.shadow.api.Shadow;
-import org.robolectric.shadows.ShadowDisplayManager;
-
-@RunWith(RobolectricTestRunner.class)
-@LooperMode(Mode.PAUSED)
-public class TaskViewSimulatorTest {
-
-    @Test
-    public void taskProperlyScaled_portrait_noRotation_sameInsets1() {
-        new TaskMatrixVerifier()
-                .withLauncherSize(1200, 2450)
-                .withInsets(new Rect(0, 80, 0, 120))
-                .verifyNoTransforms();
-    }
-
-    @Test
-    public void taskProperlyScaled_portrait_noRotation_sameInsets2() {
-        new TaskMatrixVerifier()
-                .withLauncherSize(1200, 2450)
-                .withInsets(new Rect(55, 80, 55, 120))
-                .verifyNoTransforms();
-    }
-
-    @Test
-    public void taskProperlyScaled_landscape_noRotation_sameInsets1() {
-        new TaskMatrixVerifier()
-                .withLauncherSize(2450, 1250)
-                .withInsets(new Rect(0, 80, 0, 40))
-                .verifyNoTransforms();
-    }
-
-    @Test
-    public void taskProperlyScaled_landscape_noRotation_sameInsets2() {
-        new TaskMatrixVerifier()
-                .withLauncherSize(2450, 1250)
-                .withInsets(new Rect(0, 80, 120, 0))
-                .verifyNoTransforms();
-    }
-
-    @Test
-    public void taskProperlyScaled_landscape_noRotation_sameInsets3() {
-        new TaskMatrixVerifier()
-                .withLauncherSize(2450, 1250)
-                .withInsets(new Rect(55, 80, 55, 120))
-                .verifyNoTransforms();
-    }
-
-    @Test
-    public void taskProperlyScaled_landscape_rotated() {
-        new TaskMatrixVerifier()
-                .withLauncherSize(1200, 2450)
-                .withInsets(new Rect(0, 80, 0, 120))
-                .withAppBounds(
-                        new Rect(0, 0, 2450, 1200),
-                        new Rect(0, 80, 0, 120),
-                        Surface.ROTATION_90)
-                .verifyNoTransforms();
-    }
-
-    private static class TaskMatrixVerifier extends TransformParams {
-
-        private final Context mContext = RuntimeEnvironment.application;
-
-        private Rect mAppBounds = new Rect();
-        private Rect mLauncherInsets = new Rect();
-
-        private Rect mAppInsets;
-
-        private int mAppRotation = -1;
-        private DeviceProfile mDeviceProfile;
-
-        TaskMatrixVerifier withLauncherSize(int width, int height) {
-            ShadowDisplayManager.changeDisplay(DEFAULT_DISPLAY,
-                    String.format("w%sdp-h%sdp-mdpi", width, height));
-            if (mAppBounds.isEmpty()) {
-                mAppBounds.set(0, 0, width, height);
-            }
-            return this;
-        }
-
-        TaskMatrixVerifier withInsets(Rect insets) {
-            LShadowDisplay shadowDisplay = Shadow.extract(
-                    mContext.getSystemService(DisplayManager.class).getDisplay(DEFAULT_DISPLAY));
-            shadowDisplay.setInsets(insets);
-            mLauncherInsets.set(insets);
-            return this;
-        }
-
-        TaskMatrixVerifier withAppBounds(Rect bounds, Rect insets, int appRotation) {
-            mAppBounds.set(bounds);
-            mAppInsets = insets;
-            mAppRotation = appRotation;
-            return this;
-        }
-
-        void verifyNoTransforms() {
-            mDeviceProfile = InvariantDeviceProfile.INSTANCE.get(mContext)
-                    .getDeviceProfile(mContext);
-            mDeviceProfile.updateInsets(mLauncherInsets);
-
-            TaskViewSimulator tvs = new TaskViewSimulator(mContext,
-                    LauncherActivityInterface.INSTANCE);
-            tvs.setDp(mDeviceProfile);
-
-            int launcherRotation = DisplayController.INSTANCE.get(mContext).getInfo().rotation;
-            if (mAppRotation < 0) {
-                mAppRotation = launcherRotation;
-            }
-            tvs.getOrientationState().update(launcherRotation, mAppRotation);
-            if (mAppInsets == null) {
-                mAppInsets = new Rect(mLauncherInsets);
-            }
-            tvs.setPreviewBounds(mAppBounds, mAppInsets);
-
-            tvs.fullScreenProgress.value = 1;
-            tvs.recentsViewScale.value = tvs.getFullScreenScale();
-            tvs.apply(this);
-        }
-
-        @Override
-        public SurfaceParams[] createSurfaceParams(BuilderProxy proxy) {
-            SurfaceParams.Builder builder = new SurfaceParams.Builder((SurfaceControl) null);
-            proxy.onBuildTargetParams(builder, mock(RemoteAnimationTargetCompat.class), this);
-            return new SurfaceParams[] {builder.build()};
-        }
-
-        @Override
-        public void applySurfaceParams(SurfaceParams[] params) {
-            // Verify that the task position remains the same
-            RectF newAppBounds = new RectF(mAppBounds);
-            params[0].matrix.mapRect(newAppBounds);
-            Assert.assertThat(newAppBounds, new AlmostSame(mAppBounds));
-
-            System.err.println("Bounds mapped: " + mAppBounds + " => " + newAppBounds);
-        }
-    }
-
-    private static class AlmostSame extends TypeSafeMatcher<RectF>  {
-
-        // Allow 1px error margin to account for float to int conversions
-        private final float mError = 1f;
-        private final Rect mExpected;
-
-        AlmostSame(Rect expected) {
-            mExpected = expected;
-        }
-
-        @Override
-        protected boolean matchesSafely(RectF item) {
-            return Math.abs(item.left - mExpected.left) < mError
-                    && Math.abs(item.top - mExpected.top) < mError
-                    && Math.abs(item.right - mExpected.right) < mError
-                    && Math.abs(item.bottom - mExpected.bottom) < mError;
-        }
-
-        @Override
-        public void describeTo(Description description) {
-            description.appendValue(mExpected);
-        }
-    }
-}
diff --git a/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java b/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
index 2534699..1f4be5b 100644
--- a/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
+++ b/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
@@ -90,6 +90,8 @@
 import com.android.systemui.unfold.UnfoldTransitionProgressProvider;
 import com.android.systemui.unfold.config.UnfoldTransitionConfig;
 
+import java.io.FileDescriptor;
+import java.io.PrintWriter;
 import java.util.List;
 import java.util.stream.Stream;
 
@@ -619,4 +621,12 @@
             recentsView.finishRecentsAnimation(/* toRecents= */ true, null);
         }
     }
+
+    @Override
+    public void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) {
+        super.dump(prefix, fd, writer, args);
+        if (mDepthController != null) {
+            mDepthController.dump(prefix, writer);
+        }
+    }
 }
diff --git a/quickstep/src/com/android/launcher3/model/QuickstepModelDelegate.java b/quickstep/src/com/android/launcher3/model/QuickstepModelDelegate.java
index 5769f0b..55a140d 100644
--- a/quickstep/src/com/android/launcher3/model/QuickstepModelDelegate.java
+++ b/quickstep/src/com/android/launcher3/model/QuickstepModelDelegate.java
@@ -25,7 +25,9 @@
 import static com.android.launcher3.LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT;
 import static com.android.launcher3.Utilities.getDevicePrefs;
 import static com.android.launcher3.hybridhotseat.HotseatPredictionModel.convertDataModelToAppTargetBundle;
+import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
 
+import android.app.StatsManager;
 import android.app.prediction.AppPredictionContext;
 import android.app.prediction.AppPredictionManager;
 import android.app.prediction.AppPredictor;
@@ -39,12 +41,14 @@
 import android.content.pm.ShortcutInfo;
 import android.os.UserHandle;
 import android.util.Log;
+import android.util.StatsEvent;
 
 import androidx.annotation.Nullable;
 import androidx.annotation.WorkerThread;
 
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.LauncherAppState;
+import com.android.launcher3.logger.LauncherAtom;
 import com.android.launcher3.logging.InstanceId;
 import com.android.launcher3.logging.InstanceIdSequence;
 import com.android.launcher3.model.BgDataModel.FixedContainerItems;
@@ -53,10 +57,10 @@
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
 import com.android.launcher3.shortcuts.ShortcutKey;
-import com.android.launcher3.util.Executors;
 import com.android.launcher3.util.IntSparseArrayMap;
 import com.android.launcher3.util.PersistedItemArray;
 import com.android.quickstep.logging.StatsLogCompatManager;
+import com.android.systemui.shared.system.SysUiStatsLog;
 
 import java.util.Collections;
 import java.util.List;
@@ -85,6 +89,7 @@
 
     private final InvariantDeviceProfile mIDP;
     private final AppEventProducer mAppEventProducer;
+    private final StatsManager mStatsManager;
 
     protected boolean mActive = false;
 
@@ -93,6 +98,7 @@
 
         mIDP = InvariantDeviceProfile.INSTANCE.get(context);
         StatsLogCompatManager.LOGS_CONSUMER.add(mAppEventProducer);
+        mStatsManager = context.getSystemService(StatsManager.class);
     }
 
     @Override
@@ -155,10 +161,60 @@
             additionalSnapshotEvents(instanceId);
             prefs.edit().putLong(LAST_SNAPSHOT_TIME_MILLIS, now).apply();
         }
+
+        // Only register for launcher snapshot logging if this is the primary ModelDelegate
+        // instance, as there will be additional instances that may be destroyed at any time.
+        if (mIsPrimaryInstance) {
+            registerSnapshotLoggingCallback();
+        }
     }
 
     protected void additionalSnapshotEvents(InstanceId snapshotInstanceId){}
 
+    /**
+     * Registers a callback to log launcher workspace layout using Statsd pulled atom.
+     */
+    protected void registerSnapshotLoggingCallback() {
+        if (mStatsManager == null) {
+            Log.d(TAG, "Failed to get StatsManager");
+        }
+
+        try {
+            mStatsManager.setPullAtomCallback(
+                    SysUiStatsLog.LAUNCHER_LAYOUT_SNAPSHOT,
+                    null /* PullAtomMetadata */,
+                    MODEL_EXECUTOR,
+                    (i, eventList) -> {
+                        InstanceId instanceId = new InstanceIdSequence().newInstanceId();
+                        IntSparseArrayMap<ItemInfo> itemsIdMap;
+                        synchronized (mDataModel) {
+                            itemsIdMap = mDataModel.itemsIdMap.clone();
+                        }
+
+                        for (ItemInfo info : itemsIdMap) {
+                            FolderInfo parent = info.container > 0
+                                    ? (FolderInfo) itemsIdMap.get(info.container) : null;
+                            LauncherAtom.ItemInfo itemInfo = info.buildProto(parent);
+                            Log.d(TAG, itemInfo.toString());
+                            StatsEvent statsEvent = StatsLogCompatManager.buildStatsEvent(itemInfo,
+                                    instanceId);
+                            eventList.add(statsEvent);
+                        }
+                        Log.d(TAG,
+                                String.format(
+                                        "Successfully logged %d workspace items with instanceId=%d",
+                                        itemsIdMap.size(), instanceId.getId()));
+                        additionalSnapshotEvents(instanceId);
+                        return StatsManager.PULL_SUCCESS;
+                    }
+            );
+            Log.d(TAG, "Successfully registered for launcher snapshot logging!");
+        } catch (RuntimeException e) {
+            Log.e(TAG, "Failed to register launcher snapshot logging callback with StatsManager",
+                    e);
+        }
+    }
+
     @Override
     public void validateData() {
         super.validateData();
@@ -175,7 +231,9 @@
         super.destroy();
         mActive = false;
         StatsLogCompatManager.LOGS_CONSUMER.remove(mAppEventProducer);
-
+        if (mIsPrimaryInstance) {
+            mStatsManager.clearPullAtomCallback(SysUiStatsLog.LAUNCHER_LAYOUT_SNAPSHOT);
+        }
         destroyPredictors();
     }
 
@@ -221,7 +279,7 @@
     private void registerPredictor(PredictorState state, AppPredictor predictor) {
         state.predictor = predictor;
         state.predictor.registerPredictionUpdates(
-                Executors.MODEL_EXECUTOR, t -> handleUpdate(state, t));
+                MODEL_EXECUTOR, t -> handleUpdate(state, t));
         state.predictor.requestPredictionUpdate();
     }
 
@@ -236,7 +294,7 @@
     private void registerWidgetsPredictor(AppPredictor predictor) {
         mWidgetsRecommendationState.predictor = predictor;
         mWidgetsRecommendationState.predictor.registerPredictionUpdates(
-                Executors.MODEL_EXECUTOR, targets -> {
+                MODEL_EXECUTOR, targets -> {
                     if (mWidgetsRecommendationState.setTargets(targets)) {
                         // No diff, skip
                         return;
diff --git a/quickstep/src/com/android/launcher3/statehandlers/DepthController.java b/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
index 3e2fb63..9d70cfa 100644
--- a/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
+++ b/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
@@ -44,6 +44,8 @@
 import com.android.systemui.shared.system.BlurUtils;
 import com.android.systemui.shared.system.WallpaperManagerCompat;
 
+import java.io.FileDescriptor;
+import java.io.PrintWriter;
 import java.util.function.Consumer;
 
 /**
@@ -138,6 +140,11 @@
      */
     private float mDepth;
     /**
+     * Last blur value, in pixels, that was applied.
+     * For debugging purposes.
+     */
+    private int mCurrentBlur;
+    /**
      * If we're launching and app and should not be blurring the screen for performance reasons.
      */
     private boolean mBlurDisabledForAppLaunch;
@@ -306,10 +313,10 @@
         if (supportsBlur) {
             boolean opaque = mLauncher.getScrimView().isFullyOpaque();
 
-            int blur = !mCrossWindowBlursEnabled || mBlurDisabledForAppLaunch
+            mCurrentBlur = !mCrossWindowBlursEnabled || mBlurDisabledForAppLaunch
                     ? 0 : (int) (depth * mMaxBlurRadius);
             SurfaceControl.Transaction transaction = new SurfaceControl.Transaction()
-                    .setBackgroundBlurRadius(mSurface, blur)
+                    .setBackgroundBlurRadius(mSurface, mCurrentBlur)
                     .setOpaque(mSurface, opaque);
 
             // Set early wake-up flags when we know we're executing an expensive operation, this way
@@ -348,4 +355,18 @@
         mwAnimation.setAutoCancel(true);
         mwAnimation.start();
     }
+
+    public void dump(String prefix, PrintWriter writer) {
+        writer.println(prefix + this.getClass().getSimpleName());
+        writer.println(prefix + "\tmMaxBlurRadius=" + mMaxBlurRadius);
+        writer.println(prefix + "\tmCrossWindowBlursEnabled=" + mCrossWindowBlursEnabled);
+        writer.println(prefix + "\tmSurface=" + mSurface);
+        writer.println(prefix + "\tmOverlayScrollProgress=" + mOverlayScrollProgress);
+        writer.println(prefix + "\tmDepth=" + mDepth);
+        writer.println(prefix + "\tmCurrentBlur=" + mCurrentBlur);
+        writer.println(prefix + "\tmBlurDisabledForAppLaunch=" + mBlurDisabledForAppLaunch);
+        writer.println(prefix + "\tmInEarlyWakeUp=" + mInEarlyWakeUp);
+        writer.println(prefix + "\tmIgnoreStateChangesDuringMultiWindowAnimation="
+                + mIgnoreStateChangesDuringMultiWindowAnimation);
+    }
 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java b/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
index b172095..829e072 100644
--- a/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
@@ -33,6 +33,7 @@
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.QuickstepTransitionManager;
 import com.android.launcher3.R;
+import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.AnimatorListeners;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.model.data.ItemInfoWithIcon;
@@ -127,7 +128,7 @@
 
     @Override
     protected boolean isTaskbarTouchable() {
-        return !isAnimatingToLauncher() && !mControllers.taskbarStashController.isStashed();
+        return !isAnimatingToLauncher();
     }
 
     private boolean isAnimatingToLauncher() {
@@ -285,6 +286,7 @@
      */
     public void showEdu() {
         if (!FeatureFlags.ENABLE_TASKBAR_EDU.get()
+                || Utilities.IS_RUNNING_IN_TEST_HARNESS
                 || mLauncher.getOnboardingPrefs().getBoolean(OnboardingPrefs.TASKBAR_EDU_SEEN)) {
             return;
         }
diff --git a/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java b/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
index 046ee6f..79bea03 100644
--- a/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
@@ -34,6 +34,7 @@
 import android.animation.ObjectAnimator;
 import android.annotation.DrawableRes;
 import android.annotation.IdRes;
+import android.annotation.LayoutRes;
 import android.graphics.Rect;
 import android.graphics.Region;
 import android.graphics.Region.Op;
@@ -123,21 +124,16 @@
                         .getProperty(ALPHA_INDEX_IME),
                 flags -> (flags & FLAG_IME_VISIBLE) == 0, MultiValueAlpha.VALUE, 1, 0));
 
+        boolean isThreeButtonNav = mContext.isThreeButtonNav();
         // IME switcher
         View imeSwitcherButton = addButton(R.drawable.ic_ime_switcher, BUTTON_IME_SWITCH,
-                mEndContextualContainer, mControllers.navButtonController, R.id.ime_switcher);
+                isThreeButtonNav ? mStartContextualContainer : mEndContextualContainer,
+                mControllers.navButtonController, R.id.ime_switcher);
         mPropertyHolders.add(new StatePropertyHolder(imeSwitcherButton,
                 flags -> ((flags & MASK_IME_SWITCHER_VISIBLE) == MASK_IME_SWITCHER_VISIBLE)
                         && ((flags & FLAG_ROTATION_BUTTON_VISIBLE) == 0)
                         && ((flags & FLAG_A11Y_VISIBLE) == 0)));
 
-        View imeDownButton = addButton(R.drawable.ic_sysbar_back, BUTTON_BACK,
-                mStartContextualContainer, mControllers.navButtonController, R.id.back);
-        imeDownButton.setRotation(Utilities.isRtl(mContext.getResources()) ? 90 : -90);
-        // Rotate when Ime visible
-        mPropertyHolders.add(new StatePropertyHolder(imeDownButton,
-                flags -> (flags & FLAG_IME_VISIBLE) != 0));
-
         mPropertyHolders.add(new StatePropertyHolder(
                 mControllers.taskbarViewController.getTaskbarIconAlpha()
                         .getProperty(ALPHA_INDEX_KEYGUARD),
@@ -150,7 +146,7 @@
         // Force nav buttons (specifically back button) to be visible during setup wizard.
         boolean areButtonsForcedVisible = !SettingsCache.INSTANCE.get(mContext).getValue(
                 Settings.Secure.getUriFor(Settings.Secure.USER_SETUP_COMPLETE), 0);
-        if (mContext.isThreeButtonNav() || areButtonsForcedVisible) {
+        if (isThreeButtonNav || areButtonsForcedVisible) {
             initButtons(mNavButtonContainer, mEndContextualContainer,
                     mControllers.navButtonController);
 
@@ -163,11 +159,18 @@
 
             // Rotation button
             RotationButton rotationButton = new RotationButtonImpl(
-                    addButton(mEndContextualContainer, R.id.rotate_suggestion));
+                    addButton(mEndContextualContainer, R.id.rotate_suggestion,
+                            R.layout.taskbar_contextual_button));
             rotationButton.hide();
             mControllers.rotationButtonController.setRotationButton(rotationButton);
         } else {
             mControllers.rotationButtonController.setRotationButton(new RotationButton() {});
+            View imeDownButton = addButton(R.drawable.ic_sysbar_back, BUTTON_BACK,
+                    mStartContextualContainer, mControllers.navButtonController, R.id.back);
+            imeDownButton.setRotation(Utilities.isRtl(mContext.getResources()) ? 90 : -90);
+            // Rotate when Ime visible
+            mPropertyHolders.add(new StatePropertyHolder(imeDownButton,
+                    flags -> (flags & FLAG_IME_VISIBLE) != 0));
         }
 
         applyState();
@@ -180,8 +183,11 @@
         mBackButton = addButton(R.drawable.ic_sysbar_back, BUTTON_BACK,
                 mNavButtonContainer, mControllers.navButtonController, R.id.back);
         mPropertyHolders.add(new StatePropertyHolder(mBackButton,
-                flags -> (flags & FLAG_IME_VISIBLE) == 0 &&
-                        (flags & FLAG_DISABLE_BACK) == 0));
+                flags -> (flags & FLAG_DISABLE_BACK) == 0));
+        boolean isRtl = Utilities.isRtl(mContext.getResources());
+        mPropertyHolders.add(new StatePropertyHolder(
+                mBackButton, flags -> (flags & FLAG_IME_VISIBLE) != 0, View.ROTATION,
+                isRtl ? 90 : -90, 0));
         // Hide when keyguard is showing, show when bouncer is showing
         mPropertyHolders.add(new StatePropertyHolder(mBackButton,
                 flags -> (flags & FLAG_KEYGUARD_VISIBLE) == 0 ||
@@ -191,19 +197,18 @@
         View homeButton = addButton(R.drawable.ic_sysbar_home, BUTTON_HOME, navContainer,
                 navButtonController, R.id.home);
         mPropertyHolders.add(new StatePropertyHolder(homeButton,
-                flags -> (flags & FLAG_IME_VISIBLE) == 0 &&
-                        (flags & FLAG_KEYGUARD_VISIBLE) == 0 &&
+                flags -> (flags & FLAG_KEYGUARD_VISIBLE) == 0 &&
                         (flags & FLAG_DISABLE_HOME) == 0));
         View recentsButton = addButton(R.drawable.ic_sysbar_recent, BUTTON_RECENTS,
                 navContainer, navButtonController, R.id.recent_apps);
         mPropertyHolders.add(new StatePropertyHolder(recentsButton,
-                flags -> (flags & FLAG_IME_VISIBLE) == 0 &&
-                        (flags & FLAG_KEYGUARD_VISIBLE) == 0 &&
+                flags -> (flags & FLAG_KEYGUARD_VISIBLE) == 0 &&
                         (flags & FLAG_DISABLE_RECENTS) == 0));
 
         // A11y button
         mA11yButton = addButton(R.drawable.ic_sysbar_accessibility_button, BUTTON_A11Y,
-                endContainer, navButtonController, R.id.accessibility_button);
+                endContainer, navButtonController, R.id.accessibility_button,
+                R.layout.taskbar_contextual_button);
         mPropertyHolders.add(new StatePropertyHolder(mA11yButton,
                 flags -> (flags & FLAG_A11Y_VISIBLE) != 0
                         && (flags & FLAG_ROTATION_BUTTON_VISIBLE) == 0));
@@ -306,15 +311,22 @@
 
     private ImageView addButton(@DrawableRes int drawableId, @TaskbarButton int buttonType,
             ViewGroup parent, TaskbarNavButtonController navButtonController, @IdRes int id) {
-        ImageView buttonView = addButton(parent, id);
+        return addButton(drawableId, buttonType, parent, navButtonController, id,
+                R.layout.taskbar_nav_button);
+    }
+
+    private ImageView addButton(@DrawableRes int drawableId, @TaskbarButton int buttonType,
+            ViewGroup parent, TaskbarNavButtonController navButtonController, @IdRes int id,
+            @LayoutRes int layoutId) {
+        ImageView buttonView = addButton(parent, id, layoutId);
         buttonView.setImageResource(drawableId);
         buttonView.setOnClickListener(view -> navButtonController.onButtonClick(buttonType));
         return buttonView;
     }
 
-    private ImageView addButton(ViewGroup parent, int id) {
+    private ImageView addButton(ViewGroup parent, @IdRes int id, @LayoutRes int layoutId) {
         ImageView buttonView = (ImageView) mContext.getLayoutInflater()
-                .inflate(R.layout.taskbar_nav_button, parent, false);
+                .inflate(layoutId, parent, false);
         buttonView.setId(id);
         parent.addView(buttonView);
         mAllButtons.add(buttonView);
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java
index b7c5db2..567a0c7 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java
@@ -135,8 +135,9 @@
             } else if (!mControllers.uiController.isTaskbarTouchable()) {
                 // Let touches pass through us.
                 insetsInfo.setTouchableInsets(TOUCHABLE_INSETS_REGION);
-            } else if (mControllers.taskbarViewController.areIconsVisible()) {
-                // Buttons are visible, take over the full taskbar area
+            } else if (mControllers.taskbarViewController.areIconsVisible()
+                    || AbstractFloatingView.getOpenView(mActivity, TYPE_ALL) != null) {
+                // Taskbar has some touchable elements, take over the full taskbar area
                 insetsInfo.setTouchableInsets(mActivity.isTaskbarWindowFullscreen()
                         ? TOUCHABLE_INSETS_FRAME : TOUCHABLE_INSETS_CONTENT);
             } else {
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
index ec98bbf..2e9d8bc 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
@@ -22,7 +22,11 @@
 import static com.android.launcher3.util.DisplayController.CHANGE_DENSITY;
 import static com.android.launcher3.util.DisplayController.CHANGE_SUPPORTED_BOUNDS;
 
+import android.content.ComponentCallbacks;
 import android.content.Context;
+import android.content.Intent;
+import android.content.pm.ActivityInfo;
+import android.content.res.Configuration;
 import android.hardware.display.DisplayManager;
 import android.net.Uri;
 import android.provider.Settings;
@@ -38,6 +42,7 @@
 import com.android.launcher3.util.DisplayController;
 import com.android.launcher3.util.DisplayController.Info;
 import com.android.launcher3.util.SettingsCache;
+import com.android.launcher3.util.SimpleBroadcastReceiver;
 import com.android.quickstep.SysUINavigationMode;
 import com.android.quickstep.SysUINavigationMode.Mode;
 import com.android.quickstep.SystemUiProxy;
@@ -58,6 +63,8 @@
     private final SysUINavigationMode mSysUINavigationMode;
     private final TaskbarNavButtonController mNavButtonController;
     private final SettingsCache.OnChangeListener mUserSetupCompleteListener;
+    private final ComponentCallbacks mComponentCallbacks;
+    private final SimpleBroadcastReceiver mShutdownReceiver;
 
     // The source for this provider is set when Launcher is available
     private final ScopedUnfoldTransitionProgressProvider mUnfoldProgressProvider =
@@ -84,11 +91,29 @@
         mContext = service.createWindowContext(display, TYPE_APPLICATION_OVERLAY, null);
         mNavButtonController = new TaskbarNavButtonController(service);
         mUserSetupCompleteListener = isUserSetupComplete -> recreateTaskbar();
+        mComponentCallbacks = new ComponentCallbacks() {
+            private Configuration mOldConfig = mContext.getResources().getConfiguration();
+
+            @Override
+            public void onConfigurationChanged(Configuration newConfig) {
+                if ((mOldConfig.diff(newConfig) & ActivityInfo.CONFIG_ASSETS_PATHS) != 0) {
+                    // Color has changed, recreate taskbar to reload background color & icons.
+                    recreateTaskbar();
+                }
+                mOldConfig = newConfig;
+            }
+
+            @Override
+            public void onLowMemory() { }
+        };
+        mShutdownReceiver = new SimpleBroadcastReceiver(i -> destroyExistingTaskbar());
 
         mDisplayController.addChangeListener(this);
         mSysUINavigationMode.addModeChangeListener(this);
         SettingsCache.INSTANCE.get(mContext).register(USER_SETUP_COMPLETE_URI,
                 mUserSetupCompleteListener);
+        mContext.registerComponentCallbacks(mComponentCallbacks);
+        mShutdownReceiver.register(mContext, Intent.ACTION_SHUTDOWN);
 
         recreateTaskbar();
     }
@@ -210,6 +235,8 @@
         mSysUINavigationMode.removeModeChangeListener(this);
         SettingsCache.INSTANCE.get(mContext).unregister(USER_SETUP_COMPLETE_URI,
                 mUserSetupCompleteListener);
+        mContext.unregisterComponentCallbacks(mComponentCallbacks);
+        mContext.unregisterReceiver(mShutdownReceiver);
     }
 
     public @Nullable TaskbarActivityContext getCurrentActivityContext() {
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarUnfoldAnimationController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarUnfoldAnimationController.java
index 43f015c..978bd47 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarUnfoldAnimationController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarUnfoldAnimationController.java
@@ -77,6 +77,7 @@
         @Override
         public void onTransitionFinished() {
             mMoveFromCenterAnimator.onTransitionFinished();
+            mMoveFromCenterAnimator.clearRegisteredViews();
         }
 
         @Override
diff --git a/quickstep/src/com/android/launcher3/uioverrides/ApiWrapper.java b/quickstep/src/com/android/launcher3/uioverrides/ApiWrapper.java
index 8181a84..c9909cc 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/ApiWrapper.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/ApiWrapper.java
@@ -56,8 +56,14 @@
     public static int getHotseatEndOffset(Context context) {
         if (SysUINavigationMode.INSTANCE.get(context).getMode() == Mode.THREE_BUTTONS) {
             Resources res = context.getResources();
+            /*
+            * 2 (left + right) x Padding +
+            * 3 nav buttons +
+            * Little space at the end for contextual buttons
+            */
             return 2 * res.getDimensionPixelSize(R.dimen.taskbar_nav_buttons_spacing)
-                    + 3 * res.getDimensionPixelSize(R.dimen.taskbar_nav_buttons_size);
+                    + 3 * res.getDimensionPixelSize(R.dimen.taskbar_nav_buttons_size)
+                    + res.getDimensionPixelSize(R.dimen.taskbar_contextual_button_margin);
         } else {
             return 0;
         }
diff --git a/quickstep/src/com/android/launcher3/uioverrides/plugins/PluginInitializerImpl.java b/quickstep/src/com/android/launcher3/uioverrides/plugins/PluginInitializerImpl.java
deleted file mode 100644
index 0e12e30..0000000
--- a/quickstep/src/com/android/launcher3/uioverrides/plugins/PluginInitializerImpl.java
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software distributed under the
- * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the specific language governing
- * permissions and limitations under the License.
- */
-
-package com.android.launcher3.uioverrides.plugins;
-
-import android.content.Context;
-
-import com.android.launcher3.Utilities;
-import com.android.systemui.shared.plugins.PluginInitializer;
-
-public class PluginInitializerImpl implements PluginInitializer {
-    @Override
-    public String[] getPrivilegedPlugins(Context context) {
-        return new String[0];
-    }
-
-    @Override
-    public void handleWtfs() {
-    }
-
-    public boolean isDebuggable() {
-        return Utilities.IS_DEBUG_DEVICE;
-    }
-}
diff --git a/quickstep/src/com/android/launcher3/uioverrides/plugins/PluginManagerWrapper.java b/quickstep/src/com/android/launcher3/uioverrides/plugins/PluginManagerWrapper.java
index e12f42e..df0ac7c 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/plugins/PluginManagerWrapper.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/plugins/PluginManagerWrapper.java
@@ -24,17 +24,19 @@
 import android.content.Intent;
 import android.content.pm.ResolveInfo;
 
+import com.android.launcher3.Utilities;
 import com.android.launcher3.util.MainThreadInitializedObject;
 import com.android.systemui.plugins.Plugin;
 import com.android.systemui.plugins.PluginListener;
-import com.android.systemui.shared.plugins.PluginInstanceManager;
+import com.android.systemui.shared.plugins.PluginActionManager;
+import com.android.systemui.shared.plugins.PluginInstance;
 import com.android.systemui.shared.plugins.PluginManager;
 import com.android.systemui.shared.plugins.PluginManagerImpl;
 import com.android.systemui.shared.plugins.PluginPrefs;
 
 import java.io.PrintWriter;
 import java.util.ArrayList;
-import java.util.Arrays;
+import java.util.Collections;
 import java.util.List;
 import java.util.Optional;
 import java.util.Set;
@@ -52,29 +54,36 @@
 
     private PluginManagerWrapper(Context c) {
         mContext = c;
-        PluginInitializerImpl pluginInitializer  = new PluginInitializerImpl();
         mPluginEnabler = new PluginEnablerImpl(c);
-        PluginInstanceManager.Factory instanceManagerFactory = new PluginInstanceManager.Factory(
-                c, c.getPackageManager(), c.getMainExecutor(), MODEL_EXECUTOR, pluginInitializer,
+        List<String> privilegedPlugins = Collections.emptyList();
+        PluginInstance.Factory instanceFactory = new PluginInstance.Factory(
+                getClass().getClassLoader(), new PluginInstance.InstanceFactory<>(),
+                new PluginInstance.VersionChecker(), privilegedPlugins,
+                Utilities.IS_DEBUG_DEVICE);
+        PluginActionManager.Factory instanceManagerFactory = new PluginActionManager.Factory(
+                c, c.getPackageManager(), c.getMainExecutor(), MODEL_EXECUTOR,
                 c.getSystemService(NotificationManager.class), mPluginEnabler,
-                Arrays.asList(pluginInitializer.getPrivilegedPlugins(c)));
+                privilegedPlugins, instanceFactory);
 
         mPluginManager = new PluginManagerImpl(c, instanceManagerFactory,
-                pluginInitializer.isDebuggable(),
+                Utilities.IS_DEBUG_DEVICE,
                 Optional.ofNullable(Thread.getDefaultUncaughtExceptionHandler()), mPluginEnabler,
-                new PluginPrefs(c), Arrays.asList(pluginInitializer.getPrivilegedPlugins(c)));
+                new PluginPrefs(c), privilegedPlugins);
     }
 
     public PluginEnablerImpl getPluginEnabler() {
         return mPluginEnabler;
     }
 
-    public void addPluginListener(PluginListener<? extends Plugin> listener, Class<?> pluginClass) {
+    /** */
+    public <T extends Plugin> void addPluginListener(
+            PluginListener<T> listener, Class<T> pluginClass) {
         addPluginListener(listener, pluginClass, false);
     }
 
-    public void addPluginListener(PluginListener<? extends Plugin> listener, Class<?> pluginClass,
-            boolean allowMultiple) {
+    /** */
+    public <T extends Plugin> void addPluginListener(
+            PluginListener<T> listener, Class<T> pluginClass, boolean allowMultiple) {
         mPluginManager.addPluginListener(listener, pluginClass, allowMultiple);
     }
 
diff --git a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonNavbarToOverviewTouchController.java b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonNavbarToOverviewTouchController.java
index 283743d..ef6f53e 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonNavbarToOverviewTouchController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonNavbarToOverviewTouchController.java
@@ -24,7 +24,7 @@
 import static com.android.launcher3.Utilities.EDGE_NAV_BAR;
 import static com.android.launcher3.anim.AnimatorListeners.forSuccessCallback;
 import static com.android.launcher3.anim.Interpolators.ACCEL_DEACCEL;
-import static com.android.launcher3.util.VibratorWrapper.OVERVIEW_HAPTIC;
+import static com.android.quickstep.util.VibratorWrapper.OVERVIEW_HAPTIC;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_OVERVIEW_DISABLED;
 
 import android.animation.ObjectAnimator;
@@ -38,11 +38,11 @@
 import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.states.StateAnimationConfig;
-import com.android.launcher3.util.VibratorWrapper;
 import com.android.quickstep.SystemUiProxy;
 import com.android.quickstep.util.AnimatorControllerWithResistance;
 import com.android.quickstep.util.MotionPauseDetector;
 import com.android.quickstep.util.OverviewToHomeAnim;
+import com.android.quickstep.util.VibratorWrapper;
 import com.android.quickstep.views.RecentsView;
 
 /**
diff --git a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonQuickSwitchTouchController.java b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonQuickSwitchTouchController.java
index 40c3e02..ff3c517 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonQuickSwitchTouchController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonQuickSwitchTouchController.java
@@ -41,7 +41,7 @@
 import static com.android.launcher3.touch.BothAxesSwipeDetector.DIRECTION_RIGHT;
 import static com.android.launcher3.touch.BothAxesSwipeDetector.DIRECTION_UP;
 import static com.android.launcher3.util.DisplayController.getSingleFrameMs;
-import static com.android.launcher3.util.VibratorWrapper.OVERVIEW_HAPTIC;
+import static com.android.quickstep.util.VibratorWrapper.OVERVIEW_HAPTIC;
 import static com.android.quickstep.views.RecentsView.ADJACENT_PAGE_HORIZONTAL_OFFSET;
 import static com.android.quickstep.views.RecentsView.CONTENT_ALPHA;
 import static com.android.quickstep.views.RecentsView.FULLSCREEN_PROGRESS;
@@ -67,14 +67,15 @@
 import com.android.launcher3.touch.BaseSwipeDetector;
 import com.android.launcher3.touch.BothAxesSwipeDetector;
 import com.android.launcher3.util.TouchController;
-import com.android.launcher3.util.VibratorWrapper;
 import com.android.quickstep.AnimatedFloat;
 import com.android.quickstep.SystemUiProxy;
 import com.android.quickstep.util.AnimatorControllerWithResistance;
 import com.android.quickstep.util.LayoutUtils;
 import com.android.quickstep.util.MotionPauseDetector;
+import com.android.quickstep.util.VibratorWrapper;
 import com.android.quickstep.util.WorkspaceRevealAnim;
 import com.android.quickstep.views.LauncherRecentsView;
+import com.android.quickstep.views.RecentsView;
 
 /**
  * Handles quick switching to a recent task from the home screen. To give as much flexibility to
@@ -398,6 +399,14 @@
             nonOverviewAnim.setFloatValues(startProgress, endProgress);
             mNonOverviewAnim.dispatchOnStart();
         }
+        if (targetState == QUICK_SWITCH) {
+            // Navigating to quick switch, add scroll feedback since the first time is not
+            // considered a scroll by the RecentsView.
+            VibratorWrapper.INSTANCE.get(mLauncher).vibrate(
+                    RecentsView.SCROLL_VIBRATION_PRIMITIVE,
+                    RecentsView.SCROLL_VIBRATION_PRIMITIVE_SCALE,
+                    RecentsView.SCROLL_VIBRATION_FALLBACK);
+        }
 
         nonOverviewAnim.setDuration(Math.max(xDuration, yDuration));
         mNonOverviewAnim.setEndAction(() -> onAnimationToStateCompleted(targetState));
diff --git a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/TaskViewTouchController.java b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/TaskViewTouchController.java
index 0603ba5..010f463 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/TaskViewTouchController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/TaskViewTouchController.java
@@ -22,6 +22,7 @@
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.os.SystemClock;
+import android.os.VibrationEffect;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.animation.Interpolator;
@@ -41,6 +42,7 @@
 import com.android.launcher3.util.TouchController;
 import com.android.launcher3.views.BaseDragLayer;
 import com.android.quickstep.SysUINavigationMode;
+import com.android.quickstep.util.VibratorWrapper;
 import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.TaskView;
 
@@ -55,6 +57,12 @@
     private static final long MIN_TASK_DISMISS_ANIMATION_DURATION = 300;
     private static final long MAX_TASK_DISMISS_ANIMATION_DURATION = 600;
 
+    public static final int TASK_DISMISS_VIBRATION_PRIMITIVE =
+            Utilities.ATLEAST_R ? VibrationEffect.Composition.PRIMITIVE_TICK : -1;
+    public static final float TASK_DISMISS_VIBRATION_PRIMITIVE_SCALE = 1f;
+    public static final VibrationEffect TASK_DISMISS_VIBRATION_FALLBACK =
+            VibratorWrapper.EFFECT_TEXTURE_TICK;
+
     protected final T mActivity;
     private final SingleAxisSwipeDetector mDetector;
     private final RecentsView mRecentsView;
@@ -334,10 +342,10 @@
             fling = false;
         }
         PagedOrientationHandler orientationHandler = mRecentsView.getPagedOrientationHandler();
+        boolean goingUp = orientationHandler.isGoingUp(velocity, mIsRtl);
         float progress = mCurrentAnimation.getProgressFraction();
         float interpolatedProgress = mCurrentAnimation.getInterpolatedProgress();
         if (fling) {
-            boolean goingUp = orientationHandler.isGoingUp(velocity, mIsRtl);
             goingToEnd = goingUp == mCurrentAnimationIsGoingUp;
         } else {
             goingToEnd = interpolatedProgress > SUCCESS_TRANSITION_PROGRESS;
@@ -357,6 +365,10 @@
         mCurrentAnimation.startWithVelocity(mActivity, goingToEnd,
                 velocity * orientationHandler.getSecondaryTranslationDirectionFactor(),
                 mEndDisplacement, animationDuration);
+        if (goingUp && goingToEnd) {
+            VibratorWrapper.INSTANCE.get(mActivity).vibrate(TASK_DISMISS_VIBRATION_PRIMITIVE,
+                    TASK_DISMISS_VIBRATION_PRIMITIVE_SCALE, TASK_DISMISS_VIBRATION_FALLBACK);
+        }
     }
 
     private void clearState() {
diff --git a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index be0c980..1e841da 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -36,7 +36,6 @@
 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.SystemUiController.UI_STATE_FULLSCREEN_TASK;
-import static com.android.launcher3.util.VibratorWrapper.OVERVIEW_HAPTIC;
 import static com.android.quickstep.GestureState.GestureEndTarget.HOME;
 import static com.android.quickstep.GestureState.GestureEndTarget.LAST_TASK;
 import static com.android.quickstep.GestureState.GestureEndTarget.NEW_TASK;
@@ -46,6 +45,7 @@
 import static com.android.quickstep.GestureState.STATE_RECENTS_ANIMATION_CANCELED;
 import static com.android.quickstep.GestureState.STATE_RECENTS_SCROLLING_FINISHED;
 import static com.android.quickstep.MultiStateCallback.DEBUG_STATES;
+import static com.android.quickstep.util.VibratorWrapper.OVERVIEW_HAPTIC;
 import static com.android.quickstep.views.RecentsView.UPDATE_SYSUI_FLAGS_THRESHOLD;
 import static com.android.systemui.shared.system.ActivityManagerWrapper.CLOSE_SYSTEM_WINDOWS_REASON_RECENTS;
 import static com.android.systemui.shared.system.RemoteAnimationTargetCompat.ACTIVITY_TYPE_HOME;
@@ -92,10 +92,10 @@
 import com.android.launcher3.tracing.InputConsumerProto;
 import com.android.launcher3.tracing.SwipeHandlerProto;
 import com.android.launcher3.util.TraceHelper;
-import com.android.launcher3.util.VibratorWrapper;
 import com.android.launcher3.util.WindowBounds;
 import com.android.quickstep.BaseActivityInterface.AnimationFactory;
 import com.android.quickstep.GestureState.GestureEndTarget;
+import com.android.quickstep.RemoteTargetGluer.RemoteTargetHandle;
 import com.android.quickstep.util.ActiveGestureLog;
 import com.android.quickstep.util.ActivityInitListener;
 import com.android.quickstep.util.AnimatorControllerWithResistance;
@@ -111,6 +111,7 @@
 import com.android.quickstep.util.SwipePipToHomeAnimator;
 import com.android.quickstep.util.TaskViewSimulator;
 import com.android.quickstep.util.TransformParams;
+import com.android.quickstep.util.VibratorWrapper;
 import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.TaskView;
 import com.android.systemui.shared.recents.model.ThumbnailData;
@@ -434,7 +435,7 @@
         // RecentsView never updates the display rotation until swipe-up, force update
         // RecentsOrientedState before passing to TaskViewSimulator.
         mRecentsView.updateRecentsRotation();
-        runActionOnRemoteHandles(remoteTargetHandle -> remoteTargetHandle.mTaskViewSimulator
+        runActionOnRemoteHandles(remoteTargetHandle -> remoteTargetHandle.getTaskViewSimulator()
                 .setOrientationState(mRecentsView.getPagedViewOrientedState()));
 
         // If we've already ended the gesture and are going home, don't prepare recents UI,
@@ -753,6 +754,8 @@
     public void onRecentsAnimationStart(RecentsAnimationController controller,
             RecentsAnimationTargets targets) {
         super.onRecentsAnimationStart(controller, targets);
+        ActiveGestureLog.INSTANCE.addLog("startRecentsAnimationCallback", targets.apps.length);
+        mRemoteTargetHandles = mTargetGluer.assignTargetsForSplitScreen(targets);
         mRecentsAnimationController = controller;
         mRecentsAnimationTargets = targets;
 
@@ -763,7 +766,7 @@
             // orientation state is independent of which remote target handle we use since both
             // should be pointing to the same one. Just choose index 0 for now since that works for
             // both split and non-split
-            RecentsOrientedState orientationState = mRemoteTargetHandles[0].mTaskViewSimulator
+            RecentsOrientedState orientationState = mRemoteTargetHandles[0].getTaskViewSimulator()
                     .getOrientationState();
             DeviceProfile dp = orientationState.getLauncherDeviceProfile();
             if (targets.minimizedHomeBounds != null && primaryTaskTarget != null) {
@@ -942,6 +945,7 @@
                 mStateCallback.setState(STATE_SCALED_CONTROLLER_HOME | STATE_CAPTURE_SCREENSHOT);
                 // Notify swipe-to-home (recents animation) is finished
                 SystemUiProxy.INSTANCE.get(mContext).notifySwipeToHomeFinished();
+                LauncherSplitScreenListener.INSTANCE.getNoCreate().notifySwipingToHome();
                 break;
             case RECENTS:
                 mStateCallback.setState(STATE_SCALED_CONTROLLER_RECENTS | STATE_CAPTURE_SCREENSHOT
@@ -1350,7 +1354,7 @@
             RemoteAnimationTargetCompat runningTaskTarget, float startProgress) {
         // Directly animate the app to PiP (picture-in-picture) mode
         final ActivityManager.RunningTaskInfo taskInfo = mGestureState.getRunningTask();
-        final RecentsOrientedState orientationState = mRemoteTargetHandles[0].mTaskViewSimulator
+        final RecentsOrientedState orientationState = mRemoteTargetHandles[0].getTaskViewSimulator()
                 .getOrientationState();
         final int windowRotation = calculateWindowRotation(runningTaskTarget, orientationState);
         final int homeRotation = orientationState.getRecentsActivityRotation();
@@ -1386,7 +1390,7 @@
         // is not ROTATION_0 (which implies the rotation is turned on in launcher settings).
         if (homeRotation == ROTATION_0
                 && (windowRotation == ROTATION_90 || windowRotation == ROTATION_270)) {
-            builder.setFromRotation(mRemoteTargetHandles[0].mTaskViewSimulator, windowRotation,
+            builder.setFromRotation(mRemoteTargetHandles[0].getTaskViewSimulator(), windowRotation,
                     taskInfo.displayCutoutInsets);
         }
         final SwipePipToHomeAnimator swipePipToHomeAnimator = builder.build();
@@ -1756,7 +1760,7 @@
      * depend on proper class initialization.
      */
     protected void initAfterSubclassConstructor() {
-        initTransitionEndpoints(mRemoteTargetHandles[0].mTaskViewSimulator
+        initTransitionEndpoints(mRemoteTargetHandles[0].getTaskViewSimulator()
                         .getOrientationState().getLauncherDeviceProfile());
     }
 
@@ -1774,7 +1778,7 @@
 
     protected void linkRecentsViewScroll() {
         SurfaceTransactionApplier.create(mRecentsView, applier -> {
-            runActionOnRemoteHandles(remoteTargetHandle -> remoteTargetHandle.mTransformParams
+            runActionOnRemoteHandles(remoteTargetHandle -> remoteTargetHandle.getTransformParams()
                             .setSyncTransactionApplier(applier));
             runOnRecentsAnimationStart(() ->
                     mRecentsAnimationTargets.addReleaseCheck(applier));
@@ -1802,8 +1806,13 @@
                 mGestureState.updateLastStartedTaskId(taskId);
                 boolean hasTaskPreviouslyAppeared = mGestureState.getPreviouslyAppearedTaskIds()
                         .contains(taskId);
+                boolean isOldTaskSplit = LauncherSplitScreenListener.INSTANCE.getNoCreate()
+                        .getRunningSplitTaskIds().length > 0;
                 nextTask.launchTask(success -> {
                     resultCallback.accept(success);
+                    if (isOldTaskSplit) {
+                        SystemUiProxy.INSTANCE.getNoCreate().exitSplitScreen(taskId);
+                    }
                     if (success) {
                         if (hasTaskPreviouslyAppeared) {
                             onRestartPreviouslyAppearedTask();
@@ -1910,18 +1919,19 @@
         boolean notSwipingPipToHome = mRecentsAnimationTargets != null && !mIsSwipingPipToHome;
         boolean setRecentsScroll = mRecentsViewScrollLinked && mRecentsView != null;
         for (RemoteTargetHandle remoteHandle : mRemoteTargetHandles) {
-            AnimatorControllerWithResistance playbackController = remoteHandle.mPlaybackController;
+            AnimatorControllerWithResistance playbackController =
+                    remoteHandle.getPlaybackController();
             if (playbackController != null) {
                 playbackController.setProgress(Math.max(mCurrentShift.value,
                         getScaleProgressDueToScroll()), mDragLengthFactor);
             }
 
             if (notSwipingPipToHome) {
-                TaskViewSimulator taskViewSimulator = remoteHandle.mTaskViewSimulator;
+                TaskViewSimulator taskViewSimulator = remoteHandle.getTaskViewSimulator();
                 if (setRecentsScroll) {
                     taskViewSimulator.setScroll(mRecentsView.getScrollOffset());
                 }
-                taskViewSimulator.apply(remoteHandle.mTransformParams);
+                taskViewSimulator.apply(remoteHandle.getTransformParams());
             }
         }
         ProtoTracer.INSTANCE.get(mContext).scheduleFrameUpdate();
diff --git a/quickstep/src/com/android/quickstep/FallbackSwipeHandler.java b/quickstep/src/com/android/quickstep/FallbackSwipeHandler.java
index 773817f..80ae65e 100644
--- a/quickstep/src/com/android/quickstep/FallbackSwipeHandler.java
+++ b/quickstep/src/com/android/quickstep/FallbackSwipeHandler.java
@@ -105,7 +105,7 @@
         mRunningOverHome = ActivityManagerWrapper.isHomeTask(mGestureState.getRunningTask());
         if (mRunningOverHome) {
             runActionOnRemoteHandles(remoteTargetHandle ->
-                    remoteTargetHandle.mTransformParams.setHomeBuilderProxy(
+                    remoteTargetHandle.getTransformParams().setHomeBuilderProxy(
                     FallbackSwipeHandler.this::updateHomeActivityTransformDuringSwipeUp));
         }
     }
@@ -115,7 +115,8 @@
         super.initTransitionEndpoints(dp);
         if (mRunningOverHome) {
             // Full screen scale should be independent of remote target handle
-            mMaxLauncherScale = 1 / mRemoteTargetHandles[0].mTaskViewSimulator.getFullScreenScale();
+            mMaxLauncherScale = 1 / mRemoteTargetHandles[0].getTaskViewSimulator()
+                    .getFullScreenScale();
         }
     }
 
@@ -214,21 +215,21 @@
                 mHomeAlpha.value = Utilities.boundToRange(1 - mCurrentShift.value, 0, 1);
                 mVerticalShiftForScale.value = mCurrentShift.value;
                 runActionOnRemoteHandles(remoteTargetHandle ->
-                        remoteTargetHandle.mTransformParams.setHomeBuilderProxy(
+                        remoteTargetHandle.getTransformParams().setHomeBuilderProxy(
                                 FallbackHomeAnimationFactory.this
                                         ::updateHomeActivityTransformDuringHomeAnim));
             } else {
                 mHomeAlpha = new AnimatedFloat(this::updateHomeAlpha);
                 mHomeAlpha.value = 0;
                 runActionOnRemoteHandles(remoteTargetHandle ->
-                        remoteTargetHandle.mTransformParams.setHomeBuilderProxy(
+                        remoteTargetHandle.getTransformParams().setHomeBuilderProxy(
                                 FallbackHomeAnimationFactory.this
                                         ::updateHomeActivityTransformDuringHomeAnim));
             }
 
             mRecentsAlpha.value = 1;
             runActionOnRemoteHandles(remoteTargetHandle ->
-                    remoteTargetHandle.mTransformParams.setHomeBuilderProxy(
+                    remoteTargetHandle.getTransformParams().setHomeBuilderProxy(
                             FallbackHomeAnimationFactory.this
                                     ::updateRecentsActivityTransformDuringHomeAnim));
         }
diff --git a/quickstep/src/com/android/quickstep/LauncherSwipeHandlerV2.java b/quickstep/src/com/android/quickstep/LauncherSwipeHandlerV2.java
index ce3406c..dc22a61 100644
--- a/quickstep/src/com/android/quickstep/LauncherSwipeHandlerV2.java
+++ b/quickstep/src/com/android/quickstep/LauncherSwipeHandlerV2.java
@@ -183,13 +183,13 @@
         Rect crop = new Rect();
         // We can assume there is only one remote target here because staged split never animates
         // into the app icon, only into the homescreen
-        mRemoteTargetHandles[0].mTaskViewSimulator.getCurrentCropRect().roundOut(crop);
+        mRemoteTargetHandles[0].getTaskViewSimulator().getCurrentCropRect().roundOut(crop);
         Size windowSize = new Size(crop.width(), crop.height());
         int fallbackBackgroundColor =
                 FloatingWidgetView.getDefaultBackgroundColor(mContext, runningTaskTarget);
         FloatingWidgetView floatingWidgetView = FloatingWidgetView.getFloatingWidgetView(mActivity,
                 hostView, backgroundLocation, windowSize,
-                mRemoteTargetHandles[0].mTaskViewSimulator.getCurrentCornerRadius(),
+                mRemoteTargetHandles[0].getTaskViewSimulator().getCurrentCornerRadius(),
                 isTargetTranslucent, fallbackBackgroundColor);
 
         return new FloatingViewHomeAnimationFactory(floatingWidgetView) {
diff --git a/quickstep/src/com/android/quickstep/OverviewCommandHelper.java b/quickstep/src/com/android/quickstep/OverviewCommandHelper.java
index 8fb851c..b232464 100644
--- a/quickstep/src/com/android/quickstep/OverviewCommandHelper.java
+++ b/quickstep/src/com/android/quickstep/OverviewCommandHelper.java
@@ -32,6 +32,7 @@
 import com.android.launcher3.statemanager.StatefulActivity;
 import com.android.launcher3.util.RunnableList;
 import com.android.quickstep.RecentsAnimationCallbacks.RecentsAnimationListener;
+import com.android.quickstep.util.LauncherSplitScreenListener;
 import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.TaskView;
 import com.android.systemui.shared.recents.model.ThumbnailData;
@@ -157,6 +158,7 @@
             }
             if (cmd.type == TYPE_HOME) {
                 mService.startActivity(mOverviewComponentObserver.getHomeIntent());
+                LauncherSplitScreenListener.INSTANCE.getNoCreate().notifySwipingToHome();
                 return true;
             }
         } else {
@@ -175,6 +177,7 @@
                     return launchTask(recents, getNextTask(recents), cmd);
                 case TYPE_HOME:
                     recents.startHome();
+                    LauncherSplitScreenListener.INSTANCE.getNoCreate().notifySwipingToHome();
                     return true;
             }
         }
diff --git a/quickstep/src/com/android/quickstep/RemoteTargetGluer.java b/quickstep/src/com/android/quickstep/RemoteTargetGluer.java
new file mode 100644
index 0000000..dc04016
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/RemoteTargetGluer.java
@@ -0,0 +1,175 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.quickstep;
+
+import static android.view.WindowManager.LayoutParams.TYPE_DOCK_DIVIDER;
+
+import android.content.Context;
+
+import androidx.annotation.Nullable;
+
+import com.android.launcher3.util.SplitConfigurationOptions;
+import com.android.quickstep.util.AnimatorControllerWithResistance;
+import com.android.quickstep.util.LauncherSplitScreenListener;
+import com.android.quickstep.util.TaskViewSimulator;
+import com.android.quickstep.util.TransformParams;
+import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
+
+/**
+ * Glues together the necessary components to animate a remote target using a
+ * {@link TaskViewSimulator}
+ */
+public class RemoteTargetGluer {
+    private final RemoteTargetHandle[] mRemoteTargetHandles;
+    private SplitConfigurationOptions.StagedSplitBounds mStagedSplitBounds;
+
+    /**
+     * Use this constructor if remote targets are split-screen independent
+     */
+    public RemoteTargetGluer(Context context, BaseActivityInterface sizingStrategy,
+            RemoteAnimationTargets targets) {
+        mRemoteTargetHandles = createHandles(context, sizingStrategy, targets.apps.length);
+    }
+
+    /**
+     * Use this constructor if you want the number of handles created to match the number of active
+     * running tasks
+     */
+    public RemoteTargetGluer(Context context, BaseActivityInterface sizingStrategy) {
+        int[] splitIds = LauncherSplitScreenListener.INSTANCE.getNoCreate()
+                .getRunningSplitTaskIds();
+        mRemoteTargetHandles = createHandles(context, sizingStrategy, splitIds.length == 2 ? 2 : 1);
+    }
+
+    private RemoteTargetHandle[] createHandles(Context context,
+            BaseActivityInterface sizingStrategy, int numHandles) {
+        RemoteTargetHandle[] handles = new RemoteTargetHandle[numHandles];
+        for (int i = 0; i < numHandles; i++) {
+            TaskViewSimulator tvs = new TaskViewSimulator(context, sizingStrategy);
+            TransformParams transformParams = new TransformParams();
+            handles[i] = new RemoteTargetHandle(tvs, transformParams);
+        }
+        return handles;
+    }
+
+    /**
+     * Pairs together {@link TaskViewSimulator}s and {@link TransformParams} into a
+     * {@link RemoteTargetHandle}
+     * Assigns only the apps associated with {@param targets} into their own TaskViewSimulators.
+     * Length of targets.apps should match that of {@link #mRemoteTargetHandles}.
+     *
+     * If split screen may be active when this is called, you might want to use
+     * {@link #assignTargetsForSplitScreen(RemoteAnimationTargets)}
+     */
+    public RemoteTargetHandle[] assignTargets(RemoteAnimationTargets targets) {
+        for (int i = 0; i < mRemoteTargetHandles.length; i++) {
+            RemoteAnimationTargetCompat primaryTaskTarget = targets.apps[i];
+            mRemoteTargetHandles[i].mTransformParams.setTargetSet(
+                    createRemoteAnimationTargetsForTarget(primaryTaskTarget, targets));
+            mRemoteTargetHandles[i].mTaskViewSimulator.setPreview(primaryTaskTarget, null);
+        }
+        return mRemoteTargetHandles;
+    }
+
+    /**
+     * Similar to {@link #assignTargets(RemoteAnimationTargets)}, except this matches the
+     * apps in targets.apps to that of the split screened tasks. If split screen is active, then
+     * {@link #mRemoteTargetHandles} index 0 will be the left/top task, index one right/bottom
+     */
+    public RemoteTargetHandle[] assignTargetsForSplitScreen(RemoteAnimationTargets targets) {
+        int[] splitIds = LauncherSplitScreenListener.INSTANCE.getNoCreate()
+                .getRunningSplitTaskIds();
+        RemoteAnimationTargetCompat primaryTaskTarget;
+        RemoteAnimationTargetCompat secondaryTaskTarget;
+        if (mRemoteTargetHandles.length == 1) {
+            // If we're not in split screen, the splitIds count doesn't really matter since we
+            // should always hit this case. Right now there's no use case for multiple app targets
+            // without being in split screen
+            primaryTaskTarget = targets.apps[0];
+            mRemoteTargetHandles[0].mTransformParams.setTargetSet(targets);
+            mRemoteTargetHandles[0].mTaskViewSimulator.setPreview(primaryTaskTarget, null);
+        } else {
+            // split screen
+            primaryTaskTarget = targets.findTask(splitIds[0]);
+            secondaryTaskTarget = targets.findTask(splitIds[1]);
+
+            mStagedSplitBounds = new SplitConfigurationOptions.StagedSplitBounds(
+                    primaryTaskTarget.screenSpaceBounds,
+                    secondaryTaskTarget.screenSpaceBounds);
+            mRemoteTargetHandles[0].mTransformParams.setTargetSet(
+                    createRemoteAnimationTargetsForTarget(primaryTaskTarget, targets));
+            mRemoteTargetHandles[0].mTaskViewSimulator.setPreview(primaryTaskTarget,
+                    mStagedSplitBounds);
+
+            mRemoteTargetHandles[1].mTransformParams.setTargetSet(
+                    createRemoteAnimationTargetsForTarget(secondaryTaskTarget, targets));
+            mRemoteTargetHandles[1].mTaskViewSimulator.setPreview(secondaryTaskTarget,
+                    mStagedSplitBounds);
+        }
+        return mRemoteTargetHandles;
+    }
+
+    private RemoteAnimationTargets createRemoteAnimationTargetsForTarget(
+            RemoteAnimationTargetCompat target,
+            RemoteAnimationTargets targets) {
+        return new RemoteAnimationTargets(new RemoteAnimationTargetCompat[]{target},
+                targets.wallpapers, targets.nonApps, targets.targetMode);
+    }
+
+    public RemoteTargetHandle[] getRemoteTargetHandles() {
+        return mRemoteTargetHandles;
+    }
+
+    public SplitConfigurationOptions.StagedSplitBounds getStagedSplitBounds() {
+        return mStagedSplitBounds;
+    }
+
+    /**
+     * Container to keep together all the associated objects whose properties need to be updated to
+     * animate a single remote app target
+     */
+    public static class RemoteTargetHandle {
+        private final TaskViewSimulator mTaskViewSimulator;
+        private final TransformParams mTransformParams;
+        @Nullable
+        private AnimatorControllerWithResistance mPlaybackController;
+
+        public RemoteTargetHandle(TaskViewSimulator taskViewSimulator,
+                TransformParams transformParams) {
+            mTransformParams = transformParams;
+            mTaskViewSimulator = taskViewSimulator;
+        }
+
+        public TaskViewSimulator getTaskViewSimulator() {
+            return mTaskViewSimulator;
+        }
+
+        public TransformParams getTransformParams() {
+            return mTransformParams;
+        }
+
+        @Nullable
+        public AnimatorControllerWithResistance getPlaybackController() {
+            return mPlaybackController;
+        }
+
+        public void setPlaybackController(
+                @Nullable AnimatorControllerWithResistance playbackController) {
+            mPlaybackController = playbackController;
+        }
+    }
+}
diff --git a/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java b/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java
index 78de300..ebe46fe 100644
--- a/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java
+++ b/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java
@@ -15,13 +15,10 @@
  */
 package com.android.quickstep;
 
-import static android.view.WindowManager.LayoutParams.TYPE_DOCK_DIVIDER;
-
 import static com.android.launcher3.anim.Interpolators.ACCEL_1_5;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_SPLIT_SELECT;
 import static com.android.launcher3.config.FeatureFlags.PROTOTYPE_APP_CLOSE;
-import static com.android.systemui.shared.system.RemoteAnimationTargetCompat.MODE_CLOSING;
 
 import android.animation.Animator;
 import android.content.Context;
@@ -40,8 +37,7 @@
 import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.touch.PagedOrientationHandler;
-import com.android.launcher3.util.SplitConfigurationOptions;
-import com.android.quickstep.util.ActiveGestureLog;
+import com.android.quickstep.RemoteTargetGluer.RemoteTargetHandle;
 import com.android.quickstep.util.AnimatorControllerWithResistance;
 import com.android.quickstep.util.AppCloseConfig;
 import com.android.quickstep.util.LauncherSplitScreenListener;
@@ -60,6 +56,7 @@
         RecentsAnimationCallbacks.RecentsAnimationListener{
 
     protected static final Rect TEMP_RECT = new Rect();
+    protected final RemoteTargetGluer mTargetGluer;
 
     protected DeviceProfile mDp;
 
@@ -67,8 +64,7 @@
     protected final RecentsAnimationDeviceState mDeviceState;
     protected final GestureState mGestureState;
 
-    protected final RemoteTargetHandle[] mRemoteTargetHandles;
-    protected SplitConfigurationOptions.StagedSplitBounds mStagedSplitBounds;
+    protected RemoteTargetHandle[] mRemoteTargetHandles;
 
     // Shift in the range of [0, 1].
     // 0 => preview snapShot is completely visible, and hotseat is completely translated down
@@ -93,44 +89,35 @@
                 LauncherSplitScreenListener.INSTANCE.getNoCreate()
                         .getRunningSplitTaskIds().length > 1;
 
-        TaskViewSimulator primaryTVS = new TaskViewSimulator(context,
-                gestureState.getActivityInterface());
-        primaryTVS.getOrientationState().update(
-                mDeviceState.getRotationTouchHelper().getCurrentActiveRotation(),
-                mDeviceState.getRotationTouchHelper().getDisplayRotation());
-        mRemoteTargetHandles = new RemoteTargetHandle[mIsSwipeForStagedSplit ? 2 : 1];
-        mRemoteTargetHandles[0] = new RemoteTargetHandle(primaryTVS, transformParams);
-
-        if (mIsSwipeForStagedSplit) {
-            TaskViewSimulator secondaryTVS = new TaskViewSimulator(context,
-                    gestureState.getActivityInterface());
-            secondaryTVS.getOrientationState().update(
-                    mDeviceState.getRotationTouchHelper().getCurrentActiveRotation(),
-                    mDeviceState.getRotationTouchHelper().getDisplayRotation());
-            mRemoteTargetHandles[1] = new RemoteTargetHandle(secondaryTVS, new TransformParams());
-        }
+        mTargetGluer = new RemoteTargetGluer(mContext, mGestureState.getActivityInterface());
+        mRemoteTargetHandles = mTargetGluer.getRemoteTargetHandles();
+        runActionOnRemoteHandles(remoteTargetHandle ->
+                remoteTargetHandle.getTaskViewSimulator().getOrientationState().update(
+                        mDeviceState.getRotationTouchHelper().getCurrentActiveRotation(),
+                        mDeviceState.getRotationTouchHelper().getDisplayRotation()
+                ));
     }
 
     protected void initTransitionEndpoints(DeviceProfile dp) {
         mDp = dp;
         mTransitionDragLength = mGestureState.getActivityInterface().getSwipeUpDestinationAndLength(
-                dp, mContext, TEMP_RECT, mRemoteTargetHandles[0].mTaskViewSimulator
+                dp, mContext, TEMP_RECT, mRemoteTargetHandles[0].getTaskViewSimulator()
                         .getOrientationState().getOrientationHandler());
         mDragLengthFactor = (float) dp.heightPx / mTransitionDragLength;
 
         for (RemoteTargetHandle remoteHandle : mRemoteTargetHandles) {
             PendingAnimation pendingAnimation = new PendingAnimation(mTransitionDragLength * 2);
-            TaskViewSimulator taskViewSimulator = remoteHandle.mTaskViewSimulator;
+            TaskViewSimulator taskViewSimulator = remoteHandle.getTaskViewSimulator();
             taskViewSimulator.setDp(dp);
             taskViewSimulator.addAppToOverviewAnim(pendingAnimation, LINEAR);
             AnimatorPlaybackController playbackController =
                     pendingAnimation.createPlaybackController();
 
-            remoteHandle.mPlaybackController = AnimatorControllerWithResistance.createForRecents(
+            remoteHandle.setPlaybackController(AnimatorControllerWithResistance.createForRecents(
                     playbackController, mContext, taskViewSimulator.getOrientationState(),
                     mDp, taskViewSimulator.recentsViewScale, AnimatedFloat.VALUE,
                     taskViewSimulator.recentsViewSecondaryTranslation, AnimatedFloat.VALUE
-            );
+            ));
         }
     }
 
@@ -157,7 +144,7 @@
 
     protected PagedOrientationHandler getOrientationHandler() {
         // OrientationHandler should be independent of remote target, can directly take one
-        return mRemoteTargetHandles[0].mTaskViewSimulator
+        return mRemoteTargetHandles[0].getTaskViewSimulator()
                 .getOrientationState().getOrientationHandler();
     }
 
@@ -246,8 +233,8 @@
         for (int i = 0, mRemoteTargetHandlesLength = mRemoteTargetHandles.length;
                 i < mRemoteTargetHandlesLength; i++) {
             RemoteTargetHandle remoteHandle = mRemoteTargetHandles[i];
-            TaskViewSimulator tvs = remoteHandle.mTaskViewSimulator;
-            tvs.apply(remoteHandle.mTransformParams.setProgress(startProgress));
+            TaskViewSimulator tvs = remoteHandle.getTaskViewSimulator();
+            tvs.apply(remoteHandle.getTransformParams().setProgress(startProgress));
 
             startRects[i] = new RectF(tvs.getCurrentCropRect());
             tvs.applyWindowToHomeRotation(outMatrix);
@@ -266,53 +253,10 @@
     /** @return only the TaskViewSimulators from {@link #mRemoteTargetHandles} */
     protected TaskViewSimulator[] getRemoteTaskViewSimulators() {
         return Arrays.stream(mRemoteTargetHandles)
-                .map(remoteTargetHandle -> remoteTargetHandle.mTaskViewSimulator)
+                .map(remoteTargetHandle -> remoteTargetHandle.getTaskViewSimulator())
                 .toArray(TaskViewSimulator[]::new);
     }
 
-    @Override
-    public void onRecentsAnimationStart(RecentsAnimationController controller,
-            RecentsAnimationTargets targets) {
-        ActiveGestureLog.INSTANCE.addLog("startRecentsAnimationCallback", targets.apps.length);
-        RemoteAnimationTargetCompat dividerTarget = targets.getNonAppTargetOfType(
-                TYPE_DOCK_DIVIDER);
-        RemoteAnimationTargetCompat primaryTaskTarget;
-        RemoteAnimationTargetCompat secondaryTaskTarget;
-
-        // TODO(b/197568823) Determine if we need to exclude assistant as one of the targets we
-        //  animate
-        if (!mIsSwipeForStagedSplit) {
-            primaryTaskTarget = targets.findTask(mGestureState.getRunningTaskId());
-            mRemoteTargetHandles[0].mTransformParams.setTargetSet(targets);
-
-            if (primaryTaskTarget != null) {
-                mRemoteTargetHandles[0].mTaskViewSimulator.setPreview(primaryTaskTarget);
-            }
-        } else {
-            int[] taskIds = LauncherSplitScreenListener.INSTANCE.getNoCreate()
-                    .getRunningSplitTaskIds();
-            // We're in staged split
-            primaryTaskTarget = targets.findTask(taskIds[0]);
-            secondaryTaskTarget = targets.findTask(taskIds[1]);
-            mStagedSplitBounds = new SplitConfigurationOptions.StagedSplitBounds(
-                    primaryTaskTarget.screenSpaceBounds,
-                    secondaryTaskTarget.screenSpaceBounds, dividerTarget.screenSpaceBounds);
-            mRemoteTargetHandles[0].mTaskViewSimulator.setPreview(primaryTaskTarget,
-                    mStagedSplitBounds);
-            mRemoteTargetHandles[1].mTaskViewSimulator.setPreview(secondaryTaskTarget,
-                    mStagedSplitBounds);
-            mRemoteTargetHandles[0].mTransformParams.setTargetSet(
-                    createRemoteAnimationTargetsForTarget(primaryTaskTarget));
-            mRemoteTargetHandles[1].mTransformParams.setTargetSet(
-                    createRemoteAnimationTargetsForTarget(secondaryTaskTarget));
-        }
-    }
-
-    private RemoteAnimationTargets createRemoteAnimationTargetsForTarget(
-            RemoteAnimationTargetCompat target) {
-        return new RemoteAnimationTargets(new RemoteAnimationTargetCompat[]{target},
-                null, null, MODE_CLOSING);
-    }
     /**
      * Creates an animation that transforms the current app window into the home app.
      * @param startProgress The progress of {@link #mCurrentShift} to start the window from.
@@ -329,8 +273,8 @@
                 i < mRemoteTargetHandlesLength; i++) {
             RemoteTargetHandle remoteHandle = mRemoteTargetHandles[i];
             out[i] = getWindowAnimationToHomeInternal(homeAnimationFactory,
-                    targetRect, remoteHandle.mTransformParams, remoteHandle.mTaskViewSimulator,
-                    startRects[i], homeToWindowPositionMap);
+                    targetRect, remoteHandle.getTransformParams(),
+                    remoteHandle.getTaskViewSimulator(), startRects[i], homeToWindowPositionMap);
         }
         return out;
     }
@@ -445,21 +389,6 @@
         }
     }
 
-    /**
-     * Container to keep together all the associated objects whose properties need to be updated to
-     * animate a single remote app target
-     */
-    public static class RemoteTargetHandle {
-        public TaskViewSimulator mTaskViewSimulator;
-        public TransformParams mTransformParams;
-        public AnimatorControllerWithResistance mPlaybackController;
-        public RemoteTargetHandle(TaskViewSimulator taskViewSimulator,
-                TransformParams transformParams) {
-            mTransformParams = transformParams;
-            mTaskViewSimulator = taskViewSimulator;
-        }
-    }
-
     public interface RunningWindowAnim {
         void end();
 
diff --git a/quickstep/src/com/android/quickstep/SystemUiProxy.java b/quickstep/src/com/android/quickstep/SystemUiProxy.java
index 7d2d413..aea2d4c 100644
--- a/quickstep/src/com/android/quickstep/SystemUiProxy.java
+++ b/quickstep/src/com/android/quickstep/SystemUiProxy.java
@@ -533,10 +533,17 @@
         }
     }
 
-    public void exitSplitScreen() {
+    /**
+     * To be called whenever the user exits out of split screen apps (either by launching another
+     * app or by swiping home)
+     * @param topTaskId The taskId of the new app that was launched. System will then move this task
+     *                  to the front of what the user sees while removing all other split stages.
+     *                  If swiping to home (or there is no task to put at the top), can pass in -1.
+     */
+    public void exitSplitScreen(int topTaskId) {
         if (mSplitScreen != null) {
             try {
-                mSplitScreen.exitSplitScreen();
+                mSplitScreen.exitSplitScreen(topTaskId);
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call exitSplitScreen");
             }
diff --git a/quickstep/src/com/android/quickstep/TaskViewUtils.java b/quickstep/src/com/android/quickstep/TaskViewUtils.java
index d4c94db..23dc913 100644
--- a/quickstep/src/com/android/quickstep/TaskViewUtils.java
+++ b/quickstep/src/com/android/quickstep/TaskViewUtils.java
@@ -55,7 +55,6 @@
 import android.window.TransitionInfo;
 
 import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
 
 import com.android.launcher3.BaseActivity;
 import com.android.launcher3.DeviceProfile;
@@ -67,6 +66,7 @@
 import com.android.launcher3.statehandlers.DepthController;
 import com.android.launcher3.statemanager.StateManager;
 import com.android.launcher3.util.DisplayController;
+import com.android.quickstep.RemoteTargetGluer.RemoteTargetHandle;
 import com.android.quickstep.util.MultiValueUpdateListener;
 import com.android.quickstep.util.SurfaceTransactionApplier;
 import com.android.quickstep.util.TaskViewSimulator;
@@ -151,28 +151,7 @@
             RemoteAnimationTargetCompat[] wallpaperTargets,
             RemoteAnimationTargetCompat[] nonAppTargets, DepthController depthController,
             PendingAnimation out) {
-        boolean isRunningTask = v.isRunningTask();
-        TransformParams params = null;
-        TaskViewSimulator tsv = null;
-        // TODO(b/195675206) handle two TSVs here
-        if (ENABLE_QUICKSTEP_LIVE_TILE.get() && isRunningTask) {
-            params = v.getRecentsView().getRemoteTargetHandles()[0].mTransformParams;
-            tsv = v.getRecentsView().getRemoteTargetHandles()[0].mTaskViewSimulator;
-        }
-        createRecentsWindowAnimator(v, skipViewChanges, appTargets, wallpaperTargets, nonAppTargets,
-                depthController, out, params, tsv);
-    }
-
-    /**
-     * Creates an animation that controls the window of the opening targets for the recents launch
-     * animation.
-     */
-    public static void createRecentsWindowAnimator(TaskView v, boolean skipViewChanges,
-            RemoteAnimationTargetCompat[] appTargets,
-            RemoteAnimationTargetCompat[] wallpaperTargets,
-            RemoteAnimationTargetCompat[] nonAppTargets, DepthController depthController,
-            PendingAnimation out, @Nullable TransformParams params,
-            @Nullable TaskViewSimulator tsv) {
+        RecentsView recentsView = v.getRecentsView();
         boolean isQuickSwitch = v.isEndQuickswitchCuj();
         v.setEndQuickswitchCuj(false);
 
@@ -183,16 +162,27 @@
                         inLiveTileMode ? MODE_CLOSING : MODE_OPENING);
         final RemoteAnimationTargetCompat navBarTarget = targets.getNavBarRemoteAnimationTarget();
 
-        if (params == null) {
-            SurfaceTransactionApplier applier = new SurfaceTransactionApplier(v);
-            targets.addReleaseCheck(applier);
+        SurfaceTransactionApplier applier = new SurfaceTransactionApplier(v);
+        targets.addReleaseCheck(applier);
 
-            params = new TransformParams()
-                    .setSyncTransactionApplier(applier)
-                    .setTargetSet(targets);
+        RemoteTargetHandle[] remoteTargetHandles;
+        RemoteTargetHandle[] recentsViewHandles = recentsView.getRemoteTargetHandles();
+        if (v.isRunningTask()) {
+            // Re-use existing handles
+            remoteTargetHandles = recentsViewHandles;
+        } else {
+            RemoteTargetGluer gluer = new RemoteTargetGluer(v.getContext(),
+                    recentsView.getSizeStrategy(), targets);
+            if (recentsViewHandles != null && recentsViewHandles.length > 1) {
+                remoteTargetHandles = gluer.assignTargetsForSplitScreen(targets);
+            } else {
+                remoteTargetHandles = gluer.assignTargets(targets);
+            }
+        }
+        for (RemoteTargetHandle remoteTargetGluer : remoteTargetHandles) {
+            remoteTargetGluer.getTransformParams().setSyncTransactionApplier(applier);
         }
 
-        final RecentsView recentsView = v.getRecentsView();
         int taskIndex = recentsView.indexOfChild(v);
         Context context = v.getContext();
         DeviceProfile dp = BaseActivity.fromContext(context).getDeviceProfile();
@@ -202,45 +192,51 @@
         float gridTranslationSecondary = recentsView.getGridTranslationSecondary(taskIndex);
         int startScroll = recentsView.getScrollOffset(taskIndex);
 
-        TaskViewSimulator topMostSimulator = null;
+        RemoteTargetHandle[] topMostSimulators = null;
 
-        if (tsv == null && targets.apps.length > 0) {
-            tsv = new TaskViewSimulator(context, recentsView.getSizeStrategy());
-            tsv.setDp(dp);
+        if (!v.isRunningTask()) {
+            // TVSs already initialized from the running task, no need to re-init
+            for (RemoteTargetHandle targetHandle : remoteTargetHandles) {
+                TaskViewSimulator tvsLocal = targetHandle.getTaskViewSimulator();
+                tvsLocal.setDp(dp);
 
-            // RecentsView never updates the display rotation until swipe-up so the value may
-            // be stale. Use the display value instead.
-            int displayRotation = DisplayController.INSTANCE.get(context).getInfo().rotation;
-            tsv.getOrientationState().update(displayRotation, displayRotation);
+                // RecentsView never updates the display rotation until swipe-up so the value may
+                // be stale. Use the display value instead.
+                int displayRotation = DisplayController.INSTANCE.get(context).getInfo().rotation;
+                tvsLocal.getOrientationState().update(displayRotation, displayRotation);
 
-            tsv.setPreview(targets.apps[targets.apps.length - 1]);
-            tsv.fullScreenProgress.value = 0;
-            tsv.recentsViewScale.value = 1;
-            if (showAsGrid) {
-                tsv.taskSecondaryTranslation.value = gridTranslationSecondary;
+                tvsLocal.fullScreenProgress.value = 0;
+                tvsLocal.recentsViewScale.value = 1;
+                if (showAsGrid) {
+                    tvsLocal.taskSecondaryTranslation.value = gridTranslationSecondary;
+                }
+                tvsLocal.setScroll(startScroll);
+
+                // Fade in the task during the initial 20% of the animation
+                out.addFloat(targetHandle.getTransformParams(), TransformParams.TARGET_ALPHA, 0, 1,
+                        clampToProgress(LINEAR, 0, 0.2f));
             }
-            tsv.setScroll(startScroll);
-
-            // Fade in the task during the initial 20% of the animation
-            out.addFloat(params, TransformParams.TARGET_ALPHA, 0, 1,
-                    clampToProgress(LINEAR, 0, 0.2f));
         }
 
-        if (tsv != null) {
-            out.setFloat(tsv.fullScreenProgress,
+        for (RemoteTargetHandle targetHandle : remoteTargetHandles) {
+            TaskViewSimulator tvsLocal = targetHandle.getTaskViewSimulator();
+            out.setFloat(tvsLocal.fullScreenProgress,
                     AnimatedFloat.VALUE, 1, TOUCH_RESPONSE_INTERPOLATOR);
-            out.setFloat(tsv.recentsViewScale,
-                    AnimatedFloat.VALUE, tsv.getFullScreenScale(), TOUCH_RESPONSE_INTERPOLATOR);
+            out.setFloat(tvsLocal.recentsViewScale,
+                    AnimatedFloat.VALUE, tvsLocal.getFullScreenScale(),
+                    TOUCH_RESPONSE_INTERPOLATOR);
             if (showAsGrid) {
-                out.setFloat(tsv.taskSecondaryTranslation, AnimatedFloat.VALUE, 0,
+                out.setFloat(tvsLocal.taskSecondaryTranslation, AnimatedFloat.VALUE, 0,
                         TOUCH_RESPONSE_INTERPOLATOR_ACCEL_DEACCEL);
             }
-            out.setFloat(tsv.recentsViewScroll, AnimatedFloat.VALUE, 0,
+            out.setFloat(tvsLocal.recentsViewScroll, AnimatedFloat.VALUE, 0,
                     TOUCH_RESPONSE_INTERPOLATOR);
 
-            TaskViewSimulator finalTsv = tsv;
-            TransformParams finalParams = params;
-            out.addOnFrameCallback(() -> finalTsv.apply(finalParams));
+            out.addOnFrameCallback(() -> {
+                for (RemoteTargetHandle handle : remoteTargetHandles) {
+                    handle.getTaskViewSimulator().apply(handle.getTransformParams());
+                }
+            });
             if (navBarTarget != null) {
                 final Rect cropRect = new Rect();
                 out.addOnFrameListener(new MultiValueUpdateListener() {
@@ -253,15 +249,20 @@
                     public void onUpdate(float percent, boolean initOnly) {
                         final SurfaceParams.Builder navBuilder =
                                 new SurfaceParams.Builder(navBarTarget.leash);
-                        if (mNavFadeIn.value > mNavFadeIn.getStartValue()) {
-                            finalTsv.getCurrentCropRect().round(cropRect);
-                            navBuilder.withMatrix(finalTsv.getCurrentMatrix())
-                                    .withWindowCrop(cropRect)
-                                    .withAlpha(mNavFadeIn.value);
-                        } else {
-                            navBuilder.withAlpha(mNavFadeOut.value);
+
+                        // TODO Do we need to operate over multiple TVSs for the navbar leash?
+                        for (RemoteTargetHandle handle : remoteTargetHandles) {
+                            if (mNavFadeIn.value > mNavFadeIn.getStartValue()) {
+                                TaskViewSimulator taskViewSimulator = handle.getTaskViewSimulator();
+                                taskViewSimulator.getCurrentCropRect().round(cropRect);
+                                navBuilder.withMatrix(taskViewSimulator.getCurrentMatrix())
+                                        .withWindowCrop(cropRect)
+                                        .withAlpha(mNavFadeIn.value);
+                            } else {
+                                navBuilder.withAlpha(mNavFadeOut.value);
+                            }
+                            handle.getTransformParams().applySurfaceParams(navBuilder.build());
                         }
-                        finalParams.applySurfaceParams(navBuilder.build());
                     }
                 });
             } else if (inLiveTileMode) {
@@ -273,14 +274,16 @@
                     controller.animateNavigationBarToApp(RECENTS_LAUNCH_DURATION);
                 }
             }
-            topMostSimulator = tsv;
+            topMostSimulators = remoteTargetHandles;
         }
 
-        if (!skipViewChanges && parallaxCenterAndAdjacentTask && topMostSimulator != null) {
+        if (!skipViewChanges && parallaxCenterAndAdjacentTask && topMostSimulators.length > 0) {
             out.addFloat(v, VIEW_ALPHA, 1, 0, clampToProgress(LINEAR, 0.2f, 0.4f));
 
-            TaskViewSimulator simulatorToCopy = topMostSimulator;
-            simulatorToCopy.apply(params);
+            RemoteTargetHandle[] simulatorCopies = topMostSimulators;
+            for (RemoteTargetHandle handle : simulatorCopies) {
+                handle.getTaskViewSimulator().apply(handle.getTransformParams());
+            }
 
             // Mt represents the overall transformation on the thumbnailView relative to the
             // Launcher's rootView
@@ -294,36 +297,49 @@
             // During animation we apply transformation on the thumbnailView (and not the rootView)
             // to follow the TaskViewSimulator. So the final matrix applied on the thumbnailView is:
             //    Mt K(0)` K(t) Mt`
-            TaskThumbnailView ttv = v.getThumbnail();
-            RectF tvBounds = new RectF(0, 0,  ttv.getWidth(), ttv.getHeight());
-            float[] tvBoundsMapped = new float[]{0, 0,  ttv.getWidth(), ttv.getHeight()};
-            getDescendantCoordRelativeToAncestor(ttv, ttv.getRootView(), tvBoundsMapped, false);
-            RectF tvBoundsInRoot = new RectF(
-                    tvBoundsMapped[0], tvBoundsMapped[1],
-                    tvBoundsMapped[2], tvBoundsMapped[3]);
+            TaskThumbnailView[] thumbnails = v.getThumbnails();
+            Matrix[] mt = new Matrix[simulatorCopies.length];
+            Matrix[] mti = new Matrix[simulatorCopies.length];
+            for (int i = 0; i < thumbnails.length; i++) {
+                TaskThumbnailView ttv = thumbnails[i];
+                RectF localBounds = new RectF(0, 0,  ttv.getWidth(), ttv.getHeight());
+                float[] tvBoundsMapped = new float[]{0, 0,  ttv.getWidth(), ttv.getHeight()};
+                getDescendantCoordRelativeToAncestor(ttv, ttv.getRootView(), tvBoundsMapped, false);
+                RectF localBoundsInRoot = new RectF(
+                        tvBoundsMapped[0], tvBoundsMapped[1],
+                        tvBoundsMapped[2], tvBoundsMapped[3]);
+                Matrix localMt = new Matrix();
+                localMt.setRectToRect(localBounds, localBoundsInRoot, ScaleToFit.FILL);
+                mt[i] = localMt;
 
-            Matrix mt = new Matrix();
-            mt.setRectToRect(tvBounds, tvBoundsInRoot, ScaleToFit.FILL);
+                Matrix localMti = new Matrix();
+                localMti.invert(localMt);
+                mti[i] = localMti;
+            }
 
-            Matrix mti = new Matrix();
-            mt.invert(mti);
-
-            Matrix k0i = new Matrix();
-            simulatorToCopy.getCurrentMatrix().invert(k0i);
-
+            Matrix[] k0i = new Matrix[simulatorCopies.length];
+            for (int i = 0; i < simulatorCopies.length; i++) {
+                k0i[i] = new Matrix();
+                simulatorCopies[i].getTaskViewSimulator().getCurrentMatrix().invert(k0i[i]);
+            }
             Matrix animationMatrix = new Matrix();
             out.addOnFrameCallback(() -> {
-                animationMatrix.set(mt);
-                animationMatrix.postConcat(k0i);
-                animationMatrix.postConcat(simulatorToCopy.getCurrentMatrix());
-                animationMatrix.postConcat(mti);
-                ttv.setAnimationMatrix(animationMatrix);
+                for (int i = 0; i < simulatorCopies.length; i++) {
+                    animationMatrix.set(mt[i]);
+                    animationMatrix.postConcat(k0i[i]);
+                    animationMatrix.postConcat(simulatorCopies[i]
+                            .getTaskViewSimulator().getCurrentMatrix());
+                    animationMatrix.postConcat(mti[i]);
+                    thumbnails[i].setAnimationMatrix(animationMatrix);
+                }
             });
 
             out.addListener(new AnimatorListenerAdapter() {
                 @Override
                 public void onAnimationEnd(Animator animation) {
-                    ttv.setAnimationMatrix(null);
+                    for (TaskThumbnailView ttv : thumbnails) {
+                        ttv.setAnimationMatrix(null);
+                    }
                 }
             });
         }
diff --git a/quickstep/src/com/android/quickstep/interaction/EdgeBackGesturePanel.java b/quickstep/src/com/android/quickstep/interaction/EdgeBackGesturePanel.java
index 7465db3..b2b2f59 100644
--- a/quickstep/src/com/android/quickstep/interaction/EdgeBackGesturePanel.java
+++ b/quickstep/src/com/android/quickstep/interaction/EdgeBackGesturePanel.java
@@ -43,7 +43,7 @@
 import com.android.launcher3.R;
 import com.android.launcher3.ResourceUtils;
 import com.android.launcher3.anim.Interpolators;
-import com.android.launcher3.util.VibratorWrapper;
+import com.android.quickstep.util.VibratorWrapper;
 
 /** Forked from platform/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarEdgePanel.java. */
 public class EdgeBackGesturePanel extends View {
diff --git a/quickstep/src/com/android/quickstep/interaction/NavBarGestureHandler.java b/quickstep/src/com/android/quickstep/interaction/NavBarGestureHandler.java
index fc1dd6f..851cccf 100644
--- a/quickstep/src/com/android/quickstep/interaction/NavBarGestureHandler.java
+++ b/quickstep/src/com/android/quickstep/interaction/NavBarGestureHandler.java
@@ -16,7 +16,6 @@
 package com.android.quickstep.interaction;
 
 import static com.android.launcher3.Utilities.squaredHypot;
-import static com.android.launcher3.util.VibratorWrapper.OVERVIEW_HAPTIC;
 import static com.android.quickstep.interaction.NavBarGestureHandler.NavBarGestureResult.ASSISTANT_COMPLETED;
 import static com.android.quickstep.interaction.NavBarGestureHandler.NavBarGestureResult.ASSISTANT_NOT_STARTED_BAD_ANGLE;
 import static com.android.quickstep.interaction.NavBarGestureHandler.NavBarGestureResult.ASSISTANT_NOT_STARTED_SWIPE_TOO_SHORT;
@@ -26,6 +25,7 @@
 import static com.android.quickstep.interaction.NavBarGestureHandler.NavBarGestureResult.HOME_OR_OVERVIEW_NOT_STARTED_WRONG_SWIPE_DIRECTION;
 import static com.android.quickstep.interaction.NavBarGestureHandler.NavBarGestureResult.OVERVIEW_GESTURE_COMPLETED;
 import static com.android.quickstep.interaction.NavBarGestureHandler.NavBarGestureResult.OVERVIEW_NOT_STARTED_TOO_FAR_FROM_EDGE;
+import static com.android.quickstep.util.VibratorWrapper.OVERVIEW_HAPTIC;
 
 import android.animation.ValueAnimator;
 import android.content.Context;
@@ -47,11 +47,11 @@
 import com.android.launcher3.R;
 import com.android.launcher3.ResourceUtils;
 import com.android.launcher3.anim.Interpolators;
-import com.android.launcher3.util.VibratorWrapper;
 import com.android.quickstep.SysUINavigationMode.Mode;
 import com.android.quickstep.util.MotionPauseDetector;
 import com.android.quickstep.util.NavBarPosition;
 import com.android.quickstep.util.TriggerSwipeUpTouchTracker;
+import com.android.quickstep.util.VibratorWrapper;
 import com.android.systemui.shared.system.QuickStepContract;
 
 /** Utility class to handle Home and Assistant gestures. */
diff --git a/quickstep/src/com/android/quickstep/interaction/SwipeUpGestureTutorialController.java b/quickstep/src/com/android/quickstep/interaction/SwipeUpGestureTutorialController.java
index c2c8f61..1f75936 100644
--- a/quickstep/src/com/android/quickstep/interaction/SwipeUpGestureTutorialController.java
+++ b/quickstep/src/com/android/quickstep/interaction/SwipeUpGestureTutorialController.java
@@ -46,7 +46,6 @@
 import com.android.launcher3.anim.AnimatorListeners;
 import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.anim.PendingAnimation;
-import com.android.launcher3.statemanager.StatefulActivity;
 import com.android.quickstep.AnimatedFloat;
 import com.android.quickstep.GestureState;
 import com.android.quickstep.OverviewComponentObserver;
@@ -260,16 +259,16 @@
 
         void initDp(DeviceProfile dp) {
             initTransitionEndpoints(dp);
-            mRemoteTargetHandles[0].mTaskViewSimulator.setPreviewBounds(
+            mRemoteTargetHandles[0].getTaskViewSimulator().setPreviewBounds(
                     new Rect(0, 0, dp.widthPx, dp.heightPx), dp.getInsets());
         }
 
         @Override
         public void updateFinalShift() {
-            mRemoteTargetHandles[0].mPlaybackController
+            mRemoteTargetHandles[0].getPlaybackController()
                     .setProgress(mCurrentShift.value, mDragLengthFactor);
-            mRemoteTargetHandles[0].mTaskViewSimulator.apply(
-                    mRemoteTargetHandles[0].mTransformParams);
+            mRemoteTargetHandles[0].getTaskViewSimulator().apply(
+                    mRemoteTargetHandles[0].getTransformParams());
         }
 
         AnimatedFloat getCurrentShift() {
diff --git a/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java b/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java
index 6575996..7893f8d 100644
--- a/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java
+++ b/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java
@@ -31,9 +31,11 @@
 
 import android.content.Context;
 import android.util.Log;
+import android.util.StatsEvent;
 import android.view.View;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.annotation.WorkerThread;
 import androidx.slice.SliceItem;
 
@@ -135,6 +137,36 @@
     }
 
     /**
+     * Builds {@link StatsEvent} from {@link LauncherAtom.ItemInfo}. Used for pulled atom callback
+     * implementation.
+     */
+    public static StatsEvent buildStatsEvent(LauncherAtom.ItemInfo info,
+            @Nullable InstanceId instanceId) {
+        return SysUiStatsLog.buildStatsEvent(
+                SysUiStatsLog.LAUNCHER_LAYOUT_SNAPSHOT, // atom ID,
+                LAUNCHER_WORKSPACE_SNAPSHOT.getId(), // event_id = 1;
+                info.getAttribute().getNumber() * ATTRIBUTE_MULTIPLIER
+                        + info.getItemCase().getNumber(), // item_id = 2;
+                instanceId == null ? 0 : instanceId.getId(), //instance_id = 3;
+                0, //uid = 4 [(is_uid) = true];
+                getPackageName(info), // package_name = 5;
+                getComponentName(info), // component_name = 6;
+                getGridX(info, false), //grid_x = 7 [default = -1];
+                getGridY(info, false), //grid_y = 8 [default = -1];
+                getPageId(info), // page_id = 9 [default = -2];
+                getGridX(info, true), //grid_x_parent = 10 [default = -1];
+                getGridY(info, true), //grid_y_parent = 11 [default = -1];
+                getParentPageId(info), //page_id_parent = 12 [default = -2];
+                getHierarchy(info), // container_id = 13;
+                info.getIsWork(), // is_work_profile = 14;
+                info.getAttribute().getNumber(), // attribute_id = 15;
+                getCardinality(info), // cardinality = 16;
+                info.getWidget().getSpanX(), // span_x = 17 [default = 1];
+                info.getWidget().getSpanY() // span_y = 18 [default = 1];
+        );
+    }
+
+    /**
      * Helps to construct and write statsd compatible log message.
      */
     private static class StatsCompatLogger implements StatsLogger {
diff --git a/quickstep/src/com/android/quickstep/util/LauncherSplitScreenListener.java b/quickstep/src/com/android/quickstep/util/LauncherSplitScreenListener.java
index 0f4ed01..fa4cddc 100644
--- a/quickstep/src/com/android/quickstep/util/LauncherSplitScreenListener.java
+++ b/quickstep/src/com/android/quickstep/util/LauncherSplitScreenListener.java
@@ -44,8 +44,6 @@
             if (frozen) {
                 mPersistentGroupedIds = getRunningSplitTaskIds();
             } else {
-                // TODO(b/198310766) Need to also explicitly exit split screen if
-                //  we're not currently viewing split screened apps
                 mPersistentGroupedIds = EMPTY_ARRAY;
             }
         }
@@ -53,8 +51,11 @@
 
     /**
      * Gets set to current split taskIDs whenever the task list is frozen, and set to empty array
-     * whenever task list unfreezes.
-     * When not null, this indicates that we need to load a GroupedTaskView as the most recent
+     * whenever task list unfreezes. This also gets set to empty array whenever the user swipes to
+     * home - in that case the task list does not unfreeze immediately after the gesture, so it's
+     * done via {@link #notifySwipingToHome()}.
+     *
+     * When not empty, this indicates that we need to load a GroupedTaskView as the most recent
      * page, so user can quickswitch back to a grouped task.
      */
     private int[] mPersistentGroupedIds;
@@ -140,6 +141,18 @@
         }
     }
 
+    /** Notifies SystemUi to remove any split screen state */
+    public void notifySwipingToHome() {
+        boolean hasSplitTasks = LauncherSplitScreenListener.INSTANCE.getNoCreate()
+                .getPersistentSplitIds().length > 0;
+        if (!hasSplitTasks) {
+            return;
+        }
+
+        SystemUiProxy.INSTANCE.getNoCreate().exitSplitScreen(-1);
+        mPersistentGroupedIds = EMPTY_ARRAY;
+    }
+
     private void resetTaskId(StagedSplitTaskPosition taskPosition) {
         taskPosition.taskId = -1;
     }
diff --git a/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java b/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java
index 841e578..a4db596 100644
--- a/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java
+++ b/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java
@@ -600,17 +600,7 @@
             width = Math.min(currentSize.x, currentSize.y);
             height = Math.max(currentSize.x, currentSize.y);
         }
-
-        DeviceProfile bestMatch = idp.supportedProfiles.get(0);
-        float minDiff = Float.MAX_VALUE;
-        for (DeviceProfile profile : idp.supportedProfiles) {
-            float diff = Math.abs(profile.widthPx - width) + Math.abs(profile.heightPx - height);
-            if (diff < minDiff) {
-                minDiff = diff;
-                bestMatch = profile;
-            }
-        }
-        return bestMatch;
+        return idp.getBestMatch(width, height);
     }
 
     private static String nameAndAddress(Object obj) {
diff --git a/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java b/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
index a089e73..849a7bc 100644
--- a/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
+++ b/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
@@ -296,9 +296,8 @@
         }
 
         float fullScreenProgress = Utilities.boundToRange(this.fullScreenProgress.value, 0, 1);
-        mCurrentFullscreenParams.setProgress(
-                fullScreenProgress, recentsViewScale.value, /*taskViewScale=*/1f, mTaskRect.width(),
-                mDp, mPositionHelper);
+        mCurrentFullscreenParams.setProgress(fullScreenProgress, recentsViewScale.value,
+                /* taskViewScale= */1f, mTaskRect.width(), mDp, mPositionHelper);
 
         // Apply thumbnail matrix
         RectF insets = mCurrentFullscreenParams.mCurrentDrawnInsets;
diff --git a/src/com/android/launcher3/util/VibratorWrapper.java b/quickstep/src/com/android/quickstep/util/VibratorWrapper.java
similarity index 65%
rename from src/com/android/launcher3/util/VibratorWrapper.java
rename to quickstep/src/com/android/quickstep/util/VibratorWrapper.java
index b0defd4..211bd08 100644
--- a/src/com/android/launcher3/util/VibratorWrapper.java
+++ b/quickstep/src/com/android/quickstep/util/VibratorWrapper.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2019 The Android Open Source Project
+ * 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.
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.android.launcher3.util;
+package com.android.quickstep.util;
 
 import static android.os.VibrationEffect.createPredefined;
 import static android.provider.Settings.System.HAPTIC_FEEDBACK_ENABLED;
@@ -21,15 +21,20 @@
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
 
+import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.database.ContentObserver;
+import android.media.AudioAttributes;
 import android.os.Build;
 import android.os.VibrationEffect;
 import android.os.Vibrator;
 import android.provider.Settings;
 
+import com.android.launcher3.Utilities;
+import com.android.launcher3.util.MainThreadInitializedObject;
+
 /**
  * Wrapper around {@link Vibrator} to easily perform haptic feedback where necessary.
  */
@@ -39,8 +44,15 @@
     public static final MainThreadInitializedObject<VibratorWrapper> INSTANCE =
             new MainThreadInitializedObject<>(VibratorWrapper::new);
 
+    public static final AudioAttributes VIBRATION_ATTRS = new AudioAttributes.Builder()
+            .setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION)
+            .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
+            .build();
+
     public static final VibrationEffect EFFECT_CLICK =
             createPredefined(VibrationEffect.EFFECT_CLICK);
+    public static final VibrationEffect EFFECT_TEXTURE_TICK =
+            VibrationEffect.createPredefined(VibrationEffect.EFFECT_TEXTURE_TICK);
 
     /**
      * Haptic when entering overview.
@@ -78,7 +90,27 @@
     /** Vibrates with the given effect if haptic feedback is available and enabled. */
     public void vibrate(VibrationEffect vibrationEffect) {
         if (mHasVibrator && mIsHapticFeedbackEnabled) {
-            UI_HELPER_EXECUTOR.execute(() -> mVibrator.vibrate(vibrationEffect));
+            UI_HELPER_EXECUTOR.execute(() -> mVibrator.vibrate(vibrationEffect, VIBRATION_ATTRS));
+        }
+    }
+
+    /**
+     * Vibrates with a single primitive, if supported, or use a fallback effect instead. This only
+     * vibrates if haptic feedback is available and enabled.
+     */
+    @SuppressLint("NewApi")
+    public void vibrate(int primitiveId, float primitiveScale, VibrationEffect fallbackEffect) {
+        if (mHasVibrator && mIsHapticFeedbackEnabled) {
+            UI_HELPER_EXECUTOR.execute(() -> {
+                if (Utilities.ATLEAST_R && primitiveId >= 0
+                        && mVibrator.areAllPrimitivesSupported(primitiveId)) {
+                    mVibrator.vibrate(VibrationEffect.startComposition()
+                            .addPrimitive(primitiveId, primitiveScale)
+                            .compose(), VIBRATION_ATTRS);
+                } else {
+                    mVibrator.vibrate(fallbackEffect, VIBRATION_ATTRS);
+                }
+            });
         }
     }
 }
diff --git a/quickstep/src/com/android/quickstep/views/FloatingTaskView.java b/quickstep/src/com/android/quickstep/views/FloatingTaskView.java
index a1befc5..5a86464 100644
--- a/quickstep/src/com/android/quickstep/views/FloatingTaskView.java
+++ b/quickstep/src/com/android/quickstep/views/FloatingTaskView.java
@@ -97,8 +97,9 @@
 
         floatingView.mOrientationHandler =
                 originalView.getRecentsView().getPagedOrientationHandler();
-        floatingView.mSplitPlaceholderView.setIcon(originalView.getIconView());
-        floatingView.mSplitPlaceholderView.getIcon()
+        floatingView.mSplitPlaceholderView.setIconView(originalView.getIconView(),
+                launcher.getDeviceProfile().overviewTaskIconDrawableSizePx);
+        floatingView.mSplitPlaceholderView.getIconView()
                 .setRotation(floatingView.mOrientationHandler.getDegreesRotated());
         parent.addView(floatingView);
         return floatingView;
@@ -141,8 +142,8 @@
         // TODO(194414938) seems like this scale value could be fine tuned, some stretchiness
         mImageView.setScaleX(1f / scaleX + scaleX * progress);
         mImageView.setScaleY(1f / scaleY + scaleY * progress);
-        mOrientationHandler.setPrimaryScale(mSplitPlaceholderView.getIcon(), childScaleX);
-        mOrientationHandler.setSecondaryScale(mSplitPlaceholderView.getIcon(), childScaleY);
+        mOrientationHandler.setPrimaryScale(mSplitPlaceholderView.getIconView(), childScaleX);
+        mOrientationHandler.setSecondaryScale(mSplitPlaceholderView.getIconView(), childScaleY);
     }
 
     protected void initPosition(RectF pos, InsettableFrameLayout.LayoutParams lp) {
diff --git a/quickstep/src/com/android/quickstep/views/GroupedTaskView.java b/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
index d3077ad..8562719 100644
--- a/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
+++ b/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
@@ -113,6 +113,11 @@
     }
 
     @Override
+    public TaskThumbnailView[] getThumbnails() {
+        return new TaskThumbnailView[]{mSnapshotView, mSnapshotView2};
+    }
+
+    @Override
     public void onRecycle() {
         super.onRecycle();
         mSnapshotView2.setThumbnail(mSecondaryTask, null);
diff --git a/quickstep/src/com/android/quickstep/views/OverviewActionsView.java b/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
index 1b28c53..ac779b1 100644
--- a/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
+++ b/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
@@ -53,13 +53,15 @@
     @IntDef(flag = true, value = {
             HIDDEN_NON_ZERO_ROTATION,
             HIDDEN_NO_TASKS,
-            HIDDEN_NO_RECENTS})
+            HIDDEN_NO_RECENTS,
+            HIDDEN_FOCUSED_SCROLL})
     @Retention(RetentionPolicy.SOURCE)
     public @interface ActionsHiddenFlags { }
 
     public static final int HIDDEN_NON_ZERO_ROTATION = 1 << 0;
     public static final int HIDDEN_NO_TASKS = 1 << 1;
     public static final int HIDDEN_NO_RECENTS = 1 << 2;
+    public static final int HIDDEN_FOCUSED_SCROLL = 1 << 3;
 
     @IntDef(flag = true, value = {
             DISABLED_SCROLLING,
@@ -76,7 +78,6 @@
     private static final int INDEX_VISIBILITY_ALPHA = 1;
     private static final int INDEX_FULLSCREEN_ALPHA = 2;
     private static final int INDEX_HIDDEN_FLAGS_ALPHA = 3;
-    private static final int INDEX_SCROLL_ALPHA = 4;
 
     private final MultiValueAlpha mMultiValueAlpha;
     private View mSplitButton;
@@ -196,10 +197,6 @@
         return mMultiValueAlpha.getProperty(INDEX_FULLSCREEN_ALPHA);
     }
 
-    public AlphaProperty getScrollAlpha() {
-        return mMultiValueAlpha.getProperty(INDEX_SCROLL_ALPHA);
-    }
-
     private void updateHorizontalPadding() {
         setPadding(mInsets.left, 0, mInsets.right, 0);
     }
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index 8c37644..3ed7b06 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -19,7 +19,6 @@
 import static android.view.Surface.ROTATION_0;
 import static android.view.View.MeasureSpec.EXACTLY;
 import static android.view.View.MeasureSpec.makeMeasureSpec;
-import static android.view.WindowManager.LayoutParams.TYPE_DOCK_DIVIDER;
 
 import static com.android.launcher3.AbstractFloatingView.TYPE_TASK_MENU;
 import static com.android.launcher3.AbstractFloatingView.getTopOpenViewWithType;
@@ -29,7 +28,6 @@
 import static com.android.launcher3.LauncherState.BACKGROUND_APP;
 import static com.android.launcher3.QuickstepTransitionManager.RECENTS_LAUNCH_DURATION;
 import static com.android.launcher3.Utilities.EDGE_NAV_BAR;
-import static com.android.launcher3.Utilities.boundToRange;
 import static com.android.launcher3.Utilities.mapToRange;
 import static com.android.launcher3.Utilities.squaredHypot;
 import static com.android.launcher3.Utilities.squaredTouchSlop;
@@ -37,6 +35,7 @@
 import static com.android.launcher3.anim.Interpolators.ACCEL_0_75;
 import static com.android.launcher3.anim.Interpolators.ACCEL_DEACCEL;
 import static com.android.launcher3.anim.Interpolators.FAST_OUT_SLOW_IN;
+import static com.android.launcher3.anim.Interpolators.FINAL_FRAME;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
 import static com.android.launcher3.anim.Interpolators.clampToProgress;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_QUICKSTEP_LIVE_TILE;
@@ -54,7 +53,6 @@
 import static com.android.quickstep.views.OverviewActionsView.HIDDEN_NON_ZERO_ROTATION;
 import static com.android.quickstep.views.OverviewActionsView.HIDDEN_NO_RECENTS;
 import static com.android.quickstep.views.OverviewActionsView.HIDDEN_NO_TASKS;
-import static com.android.systemui.shared.system.RemoteAnimationTargetCompat.MODE_CLOSING;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
@@ -81,7 +79,9 @@
 import android.graphics.drawable.Drawable;
 import android.os.Build;
 import android.os.Bundle;
+import android.os.SystemClock;
 import android.os.UserHandle;
+import android.os.VibrationEffect;
 import android.text.Layout;
 import android.text.StaticLayout;
 import android.text.TextPaint;
@@ -147,7 +147,8 @@
 import com.android.quickstep.RecentsModel;
 import com.android.quickstep.RecentsModel.TaskVisualsChangeListener;
 import com.android.quickstep.RemoteAnimationTargets;
-import com.android.quickstep.SwipeUpAnimationLogic.RemoteTargetHandle;
+import com.android.quickstep.RemoteTargetGluer;
+import com.android.quickstep.RemoteTargetGluer.RemoteTargetHandle;
 import com.android.quickstep.SystemUiProxy;
 import com.android.quickstep.TaskOverlayFactory;
 import com.android.quickstep.TaskThumbnailCache;
@@ -161,6 +162,7 @@
 import com.android.quickstep.util.SurfaceTransactionApplier;
 import com.android.quickstep.util.TaskViewSimulator;
 import com.android.quickstep.util.TransformParams;
+import com.android.quickstep.util.VibratorWrapper;
 import com.android.systemui.plugins.ResourceProvider;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.recents.model.Task.TaskKey;
@@ -245,6 +247,12 @@
                 }
             };
 
+    public static final int SCROLL_VIBRATION_PRIMITIVE =
+            Utilities.ATLEAST_S ? VibrationEffect.Composition.PRIMITIVE_LOW_TICK : -1;
+    public static final float SCROLL_VIBRATION_PRIMITIVE_SCALE = 0.6f;
+    public static final VibrationEffect SCROLL_VIBRATION_FALLBACK =
+            VibratorWrapper.EFFECT_TEXTURE_TICK;
+
     /**
      * Can be used to tint the color of the RecentsView to simulate a scrim that can views
      * excluded from. Really should be a proper scrim.
@@ -326,7 +334,7 @@
                     view.runActionOnRemoteHandles(new Consumer<RemoteTargetHandle>() {
                         @Override
                         public void accept(RemoteTargetHandle remoteTargetHandle) {
-                            remoteTargetHandle.mTaskViewSimulator.recentsViewScale.value =
+                            remoteTargetHandle.getTaskViewSimulator().recentsViewScale.value =
                                     scale;
                         }
                     });
@@ -398,6 +406,7 @@
 
     protected final ACTIVITY_TYPE mActivity;
     private final float mFastFlingVelocity;
+    private final int mScrollHapticMinGapMillis;
     private final RecentsModel mModel;
     private final int mGridSideMargin;
     private final ClearAllButton mClearAllButton;
@@ -444,6 +453,7 @@
     private ObjectAnimator mTintingAnimator;
 
     private int mOverScrollShift = 0;
+    private long mScrollLastHapticTimestamp;
 
     /**
      * TODO: Call reloadIdNeeded in onTaskStackChanged.
@@ -630,6 +640,8 @@
         final int rotation = mActivity.getDisplay().getRotation();
         mOrientationState.setRecentsRotation(rotation);
 
+        mScrollHapticMinGapMillis = getResources()
+                .getInteger(R.integer.recentsScrollHapticMinGapMillis);
         mFastFlingVelocity = getResources()
                 .getDimensionPixelSize(R.dimen.recents_fast_fling_velocity);
         mModel = RecentsModel.INSTANCE.get(context);
@@ -829,7 +841,7 @@
         mActivity.addMultiWindowModeChangedListener(mMultiWindowModeChangedListener);
         TaskStackChangeListeners.getInstance().registerTaskStackListener(mTaskStackListener);
         mSyncTransactionApplier = new SurfaceTransactionApplier(this);
-        runActionOnRemoteHandles(remoteTargetHandle -> remoteTargetHandle.mTransformParams
+        runActionOnRemoteHandles(remoteTargetHandle -> remoteTargetHandle.getTransformParams()
                 .setSyncTransactionApplier(mSyncTransactionApplier));
         RecentsModel.INSTANCE.get(getContext()).addThumbnailChangeListener(this);
         mIPipAnimationListener.setActivityAndRecentsView(mActivity, this);
@@ -848,7 +860,7 @@
         mActivity.removeMultiWindowModeChangedListener(mMultiWindowModeChangedListener);
         TaskStackChangeListeners.getInstance().unregisterTaskStackListener(mTaskStackListener);
         mSyncTransactionApplier = null;
-        runActionOnRemoteHandles(remoteTargetHandle -> remoteTargetHandle.mTransformParams
+        runActionOnRemoteHandles(remoteTargetHandle -> remoteTargetHandle.getTransformParams()
                 .setSyncTransactionApplier(null));
         executeSideTaskLaunchCallback();
         RecentsModel.INSTANCE.get(getContext()).removeThumbnailChangeListener(this);
@@ -938,7 +950,7 @@
     public void launchSideTaskInLiveTileModeForRestartedApp(int taskId) {
         int runningTaskViewId = getTaskViewIdFromTaskId(taskId);
         if (mRunningTaskViewId != -1 && mRunningTaskViewId == runningTaskViewId) {
-            TransformParams params = mRemoteTargetHandles[0].mTransformParams;
+            TransformParams params = mRemoteTargetHandles[0].getTransformParams();
             RemoteAnimationTargets targets = params.getTargetSet();
             if (targets != null && targets.findTask(taskId) != null) {
                 launchSideTaskInLiveTileMode(taskId, targets.apps, targets.wallpapers,
@@ -1230,6 +1242,25 @@
     }
 
     @Override
+    protected void onEdgeAbsorbingScroll() {
+        vibrateForScroll();
+    }
+
+    @Override
+    protected void onScrollOverPageChanged() {
+        vibrateForScroll();
+    }
+
+    private void vibrateForScroll() {
+        long now = SystemClock.uptimeMillis();
+        if (now - mScrollLastHapticTimestamp > mScrollHapticMinGapMillis) {
+            mScrollLastHapticTimestamp = now;
+            VibratorWrapper.INSTANCE.get(mContext).vibrate(SCROLL_VIBRATION_PRIMITIVE,
+                    SCROLL_VIBRATION_PRIMITIVE_SCALE, SCROLL_VIBRATION_FALLBACK);
+        }
+    }
+
+    @Override
     protected void determineScrollingStart(MotionEvent ev, float touchSlopScale) {
         // Enables swiping to the left or right only if the task overlay is not modal.
         if (!isModal()) {
@@ -1482,10 +1513,11 @@
             // to reset the params after it settles in Overview from swipe up so that we don't
             // render with obsolete param values.
             runActionOnRemoteHandles(remoteTargetHandle -> {
-                remoteTargetHandle.mTaskViewSimulator.taskPrimaryTranslation.value = 0;
-                remoteTargetHandle.mTaskViewSimulator.taskSecondaryTranslation.value = 0;
-                remoteTargetHandle.mTaskViewSimulator.fullScreenProgress.value = 0;
-                remoteTargetHandle.mTaskViewSimulator.recentsViewScale.value = 1;
+                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
@@ -1541,7 +1573,7 @@
 
         // Propagate DeviceProfile change event.
         runActionOnRemoteHandles(
-                remoteTargetHandle -> remoteTargetHandle.mTaskViewSimulator.setDp(dp));
+                remoteTargetHandle -> remoteTargetHandle.getTaskViewSimulator().setDp(dp));
         mActionsView.setDp(dp);
         mOrientationState.setDeviceProfile(dp);
 
@@ -1691,28 +1723,28 @@
 
             // After scrolling, update the visible task's data
             loadVisibleTaskData(TaskView.FLAG_UPDATE_ALL);
-
-            // After scrolling, update ActionsView's visibility.
-            updateActionsViewScrollAlpha();
         }
 
+        // Update ActionsView's visibility when scroll changes.
+        updateActionsViewFocusedScroll();
+
         // Update the high res thumbnail loader state
         mModel.getThumbnailCache().getHighResLoadingState().setFlingingFast(isFlingingFast);
         return scrolling;
     }
 
-    private void updateActionsViewScrollAlpha() {
-        float scrollAlpha = 1f;
+    private void updateActionsViewFocusedScroll() {
+        boolean hiddenFocusedScroll;
         if (showAsGrid()) {
             TaskView focusedTaskView = getFocusedTaskView();
-            if (focusedTaskView != null) {
-                float scrollDiff = Math.abs(getScrollForPage(indexOfChild(focusedTaskView))
-                        - mOrientationHandler.getPrimaryScroll(this));
-                float delta = (mGridSideMargin - scrollDiff) / (float) mGridSideMargin;
-                scrollAlpha = Utilities.boundToRange(delta, 0, 1);
-            }
+            hiddenFocusedScroll = focusedTaskView == null
+                    || getScrollForPage(indexOfChild(focusedTaskView))
+                    != mOrientationHandler.getPrimaryScroll(this);
+        } else {
+            hiddenFocusedScroll = false;
         }
-        mActionsView.getScrollAlpha().setValue(scrollAlpha);
+        mActionsView.updateHiddenFlags(OverviewActionsView.HIDDEN_FOCUSED_SCROLL,
+                hiddenFocusedScroll);
     }
 
     /**
@@ -1867,7 +1899,7 @@
         setCurrentTask(-1);
         mIgnoreResetTaskId = -1;
         mTaskListChangeId = -1;
-        mFocusedTaskViewId = getTaskViewCount() > 0 ? getTaskViewAt(0).getTaskViewId() : -1;
+        mFocusedTaskViewId = -1;
 
         if (mRecentsAnimationController != null) {
             if (ENABLE_QUICKSTEP_LIVE_TILE.get() && mEnableDrawingLiveTile) {
@@ -1878,7 +1910,7 @@
             }
         }
         setEnableDrawingLiveTile(false);
-        runActionOnRemoteHandles(remoteTargetHandle -> remoteTargetHandle.mTransformParams
+        runActionOnRemoteHandles(remoteTargetHandle -> remoteTargetHandle.getTransformParams()
                 .setTargetSet(null));
 
         // These are relatively expensive and don't need to be done this frame (RecentsView isn't
@@ -2002,9 +2034,6 @@
     /**
      * Called only when a swipe-up gesture from an app has completed. Only called after
      * {@link #onGestureAnimationStart} and {@link #onGestureAnimationEnd()}.
-     *
-     * TODO(b/198310766) Need to also explicitly exit split screen if
-     *  the swipe up was to home
      */
     public void onSwipeUpAnimationSuccess() {
         animateUpTaskIconScale();
@@ -2591,12 +2620,15 @@
         // alpha is set to 0 so that it can be recycled in the view pool properly
         if (ENABLE_QUICKSTEP_LIVE_TILE.get() && taskView.isRunningTask()) {
             runActionOnRemoteHandles(remoteTargetHandle -> {
-                TransformParams params = remoteTargetHandle.mTransformParams;
+                TransformParams params = remoteTargetHandle.getTransformParams();
                 anim.setFloat(params, TransformParams.TARGET_ALPHA, 0,
-                        clampToProgress(ACCEL, 0, 0.5f));
+                        clampToProgress(FINAL_FRAME, 0, 0.5f));
             });
         }
-        anim.setFloat(taskView, VIEW_ALPHA, 0, clampToProgress(ACCEL, 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));
         FloatProperty<TaskView> secondaryViewTranslate =
                 taskView.getSecondaryDissmissTranslationProperty();
         int secondaryTaskDimension = mOrientationHandler.getSecondaryDimension(taskView);
@@ -2614,7 +2646,7 @@
                 && taskView.isRunningTask()) {
             anim.addOnFrameCallback(() -> {
                 runActionOnRemoteHandles(
-                        remoteTargetHandle -> remoteTargetHandle.mTaskViewSimulator
+                        remoteTargetHandle -> remoteTargetHandle.getTaskViewSimulator()
                                 .taskSecondaryTranslation.value = mOrientationHandler
                                 .getSecondaryValue(taskView.getTranslationX(),
                                         taskView.getTranslationY()
@@ -2783,7 +2815,7 @@
                         anim.addOnFrameCallback(() -> {
                             runActionOnRemoteHandles(
                                     remoteTargetHandle ->
-                                            remoteTargetHandle.mTaskViewSimulator
+                                            remoteTargetHandle.getTaskViewSimulator()
                                                     .taskPrimaryTranslation.value =
                                                     TaskView.GRID_END_TRANSLATION_X.get(taskView));
                             redrawLiveTile();
@@ -2856,7 +2888,7 @@
                         anim.addOnFrameCallback(() -> {
                             runActionOnRemoteHandles(
                                     remoteTargetHandle ->
-                                            remoteTargetHandle.mTaskViewSimulator
+                                            remoteTargetHandle.getTaskViewSimulator()
                                                     .taskPrimaryTranslation.value =
                                                     mOrientationHandler.getPrimaryValue(
                                                             child.getTranslationX(),
@@ -3001,6 +3033,10 @@
                                                     : getBottomRowIdArray();
                                     int snappedIndex = taskViewIdArray.indexOf(snappedTaskViewId);
                                     taskViewIdArray.removeValue(dismissedTaskViewId);
+                                    if (finalNextFocusedTaskView != null) {
+                                        taskViewIdArray.removeValue(
+                                                finalNextFocusedTaskView.getTaskViewId());
+                                    }
                                     if (snappedIndex < taskViewIdArray.size()) {
                                         taskViewIdToSnapTo = taskViewIdArray.get(snappedIndex);
                                     } else if (snappedIndex == taskViewIdArray.size()) {
@@ -3089,9 +3125,9 @@
                             }
                         }
                         setCurrentPage(pageToSnapTo);
-                        // Update various scroll depedent UI.
+                        // Update various scroll-dependent UI.
                         dispatchScrollChanged();
-                        updateActionsViewScrollAlpha();
+                        updateActionsViewFocusedScroll();
                         if (isClearAllHidden()) {
                             mActionsView.updateDisabledFlags(OverviewActionsView.DISABLED_SCROLLING,
                                     false);
@@ -3114,7 +3150,7 @@
      */
     private void updateFocusedSplitButtonVisibility() {
         mActionsView.setSplitButtonVisible(mActivity.getDeviceProfile().isTablet &&
-                !(getRunningTaskView() instanceof GroupedTaskView) &&
+                !(getFocusedTaskView() instanceof GroupedTaskView) &&
                 getTaskViewCount() > 1
         );
     }
@@ -3530,7 +3566,7 @@
         mLastComputedTaskEndPushOutDistance = null;
         updatePageOffsets();
         runActionOnRemoteHandles(
-                remoteTargetHandle -> remoteTargetHandle.mTaskViewSimulator
+                remoteTargetHandle -> remoteTargetHandle.getTaskViewSimulator()
                         .setScroll(getScrollOffset()));
         setImportantForAccessibility(isModal() ? IMPORTANT_FOR_ACCESSIBILITY_NO
                 : IMPORTANT_FOR_ACCESSIBILITY_AUTO);
@@ -3596,7 +3632,7 @@
             if (ENABLE_QUICKSTEP_LIVE_TILE.get() && mEnableDrawingLiveTile
                     && i == getRunningTaskIndex()) {
                 runActionOnRemoteHandles(
-                        remoteTargetHandle -> remoteTargetHandle.mTaskViewSimulator
+                        remoteTargetHandle -> remoteTargetHandle.getTaskViewSimulator()
                                 .taskPrimaryTranslation.value = totalTranslation);
                 redrawLiveTile();
             }
@@ -3704,7 +3740,7 @@
             task.getTaskResistanceTranslationProperty().set(task, translation / getScaleY());
         }
         runActionOnRemoteHandles(
-                remoteTargetHandle -> remoteTargetHandle.mTaskViewSimulator
+                remoteTargetHandle -> remoteTargetHandle.getTaskViewSimulator()
                         .recentsViewSecondaryTranslation.value = translation);
     }
 
@@ -4020,7 +4056,7 @@
                     && runningTaskIndex != taskIndex) {
                 for (RemoteTargetHandle remoteHandle : recentsView.getRemoteTargetHandles()) {
                     anim.play(ObjectAnimator.ofFloat(
-                            remoteHandle.mTaskViewSimulator.taskPrimaryTranslation,
+                            remoteHandle.getTaskViewSimulator().taskPrimaryTranslation,
                             AnimatedFloat.VALUE,
                             primaryTranslation));
                 }
@@ -4104,7 +4140,7 @@
         mPendingAnimation.add(anim);
         if (ENABLE_QUICKSTEP_LIVE_TILE.get()) {
             runActionOnRemoteHandles(
-                    remoteTargetHandle -> remoteTargetHandle.mTaskViewSimulator
+                    remoteTargetHandle -> remoteTargetHandle.getTaskViewSimulator()
                             .addOverviewToAppAnim(mPendingAnimation, interpolator));
             mPendingAnimation.addOnFrameCallback(this::redrawLiveTile);
         }
@@ -4198,9 +4234,9 @@
 
     public void redrawLiveTile() {
         runActionOnRemoteHandles(remoteTargetHandle -> {
-            TransformParams params = remoteTargetHandle.mTransformParams;
+            TransformParams params = remoteTargetHandle.getTransformParams();
             if (params.getTargetSet() != null) {
-                remoteTargetHandle.mTaskViewSimulator.apply(params);
+                remoteTargetHandle.getTaskViewSimulator().apply(params);
             }
         });
     }
@@ -4221,44 +4257,14 @@
             recentsAnimationTargets.addReleaseCheck(mSyncTransactionApplier);
         }
 
-        RemoteAnimationTargetCompat dividerTarget =
-                recentsAnimationTargets.getNonAppTargetOfType(TYPE_DOCK_DIVIDER);
-        // TODO Consolidate this shared code with SwipeUpAnimationLogic (or maybe just reuse
-        //  what that class has and pass it into here)
-        mRemoteTargetHandles = new RemoteTargetHandle[dividerTarget == null ? 1 : 2];
-        TaskViewSimulator primaryTvs = createTaskViewSimulator();
-        mRemoteTargetHandles[0] = new RemoteTargetHandle(primaryTvs, new TransformParams());
-        if (dividerTarget == null) {
-            mRemoteTargetHandles[0].mTaskViewSimulator
-                    .setPreview(recentsAnimationTargets.apps[0], null);
-            mRemoteTargetHandles[0].mTransformParams.setTargetSet(recentsAnimationTargets);
-        } else {
-            TaskViewSimulator secondaryTvs = createTaskViewSimulator();
-            secondaryTvs.setOrientationState(mOrientationState);
-            secondaryTvs.recentsViewScale.value = 1;
-
-            mRemoteTargetHandles[1] = new RemoteTargetHandle(secondaryTvs, new TransformParams());
-            RemoteAnimationTargetCompat primaryTaskTarget = recentsAnimationTargets.apps[0];
-            RemoteAnimationTargetCompat secondaryTaskTarget = recentsAnimationTargets.apps[1];
-            mSplitBoundsConfig = new SplitConfigurationOptions.StagedSplitBounds(
-                    primaryTaskTarget.screenSpaceBounds,
-                    secondaryTaskTarget.screenSpaceBounds, dividerTarget.screenSpaceBounds);
-            mRemoteTargetHandles[0].mTaskViewSimulator.setPreview(primaryTaskTarget,
-                    mSplitBoundsConfig);
-            mRemoteTargetHandles[1].mTaskViewSimulator.setPreview(secondaryTaskTarget,
-                    mSplitBoundsConfig);
-            RemoteAnimationTargets rats = new RemoteAnimationTargets(
-                    new RemoteAnimationTargetCompat[]{primaryTaskTarget},
-                    recentsAnimationTargets.wallpapers, recentsAnimationTargets.nonApps,
-                    MODE_CLOSING
-            );
-            RemoteAnimationTargets splitRats = new RemoteAnimationTargets(
-                    new RemoteAnimationTargetCompat[]{secondaryTaskTarget},
-                    recentsAnimationTargets.wallpapers, recentsAnimationTargets.nonApps,
-                    MODE_CLOSING
-            );
-            mRemoteTargetHandles[0].mTransformParams.setTargetSet(rats);
-            mRemoteTargetHandles[1].mTransformParams.setTargetSet(splitRats);
+        RemoteTargetGluer gluer = new RemoteTargetGluer(getContext(), getSizeStrategy());
+        mRemoteTargetHandles = gluer.assignTargetsForSplitScreen(recentsAnimationTargets);
+        mSplitBoundsConfig = gluer.getStagedSplitBounds();
+        for (RemoteTargetHandle remoteTargetHandle : mRemoteTargetHandles) {
+            TaskViewSimulator tvs = remoteTargetHandle.getTaskViewSimulator();
+            tvs.setOrientationState(mOrientationState);
+            tvs.setDp(mActivity.getDeviceProfile());
+            tvs.recentsViewScale.value = 1;
         }
     }
 
@@ -4273,14 +4279,6 @@
         }
     }
 
-    private TaskViewSimulator createTaskViewSimulator() {
-        TaskViewSimulator tvs = new TaskViewSimulator(getContext(), getSizeStrategy());
-        tvs.setOrientationState(mOrientationState);
-        tvs.setDp(mActivity.getDeviceProfile());
-        tvs.recentsViewScale.value = 1;
-        return tvs;
-    }
-
     public void finishRecentsAnimation(boolean toRecents, Runnable onFinishComplete) {
         finishRecentsAnimation(toRecents, true /* shouldPip */, onFinishComplete);
     }
@@ -4560,7 +4558,7 @@
     public void setOverviewGridEnabled(boolean overviewGridEnabled) {
         if (mOverviewGridEnabled != overviewGridEnabled) {
             mOverviewGridEnabled = overviewGridEnabled;
-            updateActionsViewScrollAlpha();
+            updateActionsViewFocusedScroll();
             // Request layout to ensure scroll position is recalculated with updated mGridProgress.
             requestLayout();
         }
@@ -4775,7 +4773,7 @@
 
     private void dispatchScrollChanged() {
         runActionOnRemoteHandles(remoteTargetHandle ->
-                remoteTargetHandle.mTaskViewSimulator.setScroll(getScrollOffset()));
+                remoteTargetHandle.getTaskViewSimulator().setScroll(getScrollOffset()));
         for (int i = mScrollListeners.size() - 1; i >= 0; i--) {
             mScrollListeners.get(i).onScrollChanged();
         }
diff --git a/quickstep/src/com/android/quickstep/views/SplitPlaceholderView.java b/quickstep/src/com/android/quickstep/views/SplitPlaceholderView.java
index a712d1a..845e13e 100644
--- a/quickstep/src/com/android/quickstep/views/SplitPlaceholderView.java
+++ b/quickstep/src/com/android/quickstep/views/SplitPlaceholderView.java
@@ -24,8 +24,6 @@
 
 import androidx.annotation.Nullable;
 
-import com.android.quickstep.util.SplitSelectStateController;
-
 public class SplitPlaceholderView extends FrameLayout {
 
     public static final FloatProperty<SplitPlaceholderView> ALPHA_FLOAT =
@@ -42,34 +40,26 @@
                 }
             };
 
-    private SplitSelectStateController mSplitController;
-    private IconView mIcon;
+    private IconView mIconView;
 
     public SplitPlaceholderView(Context context, AttributeSet attrs) {
         super(context, attrs);
     }
 
-    public void init(SplitSelectStateController controller) {
-        this.mSplitController = controller;
-    }
-
-    public SplitSelectStateController getSplitController() {
-        return mSplitController;
-    }
-
     @Nullable
-    public IconView getIcon() {
-        return mIcon;
+    public IconView getIconView() {
+        return mIconView;
     }
 
-    public void setIcon(IconView icon) {
-        if (mIcon == null) {
-            mIcon = new IconView(getContext());
-            addView(mIcon);
+    public void setIconView(IconView iconView, int iconSize) {
+        if (mIconView == null) {
+            mIconView = new IconView(getContext());
+            addView(mIconView);
         }
-        mIcon.setDrawable(icon.getDrawable());
-        FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(icon.getLayoutParams());
+        mIconView.setDrawable(iconView.getDrawable());
+        mIconView.setDrawableSize(iconSize, iconSize);
+        FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(iconView.getLayoutParams());
         params.gravity = Gravity.CENTER;
-        mIcon.setLayoutParams(params);
+        mIconView.setLayoutParams(params);
     }
 }
diff --git a/quickstep/src/com/android/quickstep/views/TaskView.java b/quickstep/src/com/android/quickstep/views/TaskView.java
index 0e6c0fd..7c558c2 100644
--- a/quickstep/src/com/android/quickstep/views/TaskView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskView.java
@@ -91,7 +91,7 @@
 import com.android.launcher3.util.ViewPool.Reusable;
 import com.android.quickstep.RecentsModel;
 import com.android.quickstep.RemoteAnimationTargets;
-import com.android.quickstep.SwipeUpAnimationLogic.RemoteTargetHandle;
+import com.android.quickstep.RemoteTargetGluer.RemoteTargetHandle;
 import com.android.quickstep.SystemUiProxy;
 import com.android.quickstep.TaskIconCache;
 import com.android.quickstep.TaskOverlayFactory;
@@ -99,6 +99,7 @@
 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;
@@ -592,6 +593,11 @@
         return mSnapshotView;
     }
 
+    /** TODO(b/197033698) Remove all usages of above method and migrate to this one */
+    public TaskThumbnailView[] getThumbnails() {
+        return new TaskThumbnailView[]{mSnapshotView};
+    }
+
     public IconView getIconView() {
         return mIconView;
     }
@@ -618,13 +624,12 @@
             mIsClickableAsLiveTile = false;
             RecentsView recentsView = getRecentsView();
             RemoteAnimationTargets targets;
-            RemoteTargetHandle[] remoteTargetHandles =
-                    recentsView.mRemoteTargetHandles;
+            RemoteTargetHandle[] remoteTargetHandles = recentsView.mRemoteTargetHandles;
             if (remoteTargetHandles.length == 1) {
-                targets = remoteTargetHandles[0].mTransformParams.getTargetSet();
+                targets = remoteTargetHandles[0].getTransformParams().getTargetSet();
             } else {
-                TransformParams topLeftParams = remoteTargetHandles[0].mTransformParams;
-                TransformParams rightBottomParams = remoteTargetHandles[1].mTransformParams;
+                TransformParams topLeftParams = remoteTargetHandles[0].getTransformParams();
+                TransformParams rightBottomParams = remoteTargetHandles[1].getTransformParams();
                 RemoteAnimationTargetCompat[] apps = Stream.concat(
                         Arrays.stream(topLeftParams.getTargetSet().apps),
                         Arrays.stream(rightBottomParams.getTargetSet().apps))
@@ -689,8 +694,13 @@
             TestLogging.recordEvent(
                     TestProtocol.SEQUENCE_MAIN, "startActivityFromRecentsAsync", mTask);
             ActivityOptionsWrapper opts =  mActivity.getActivityLaunchOptions(this, null);
+            boolean isOldTaskSplit = LauncherSplitScreenListener.INSTANCE.getNoCreate()
+                    .getPersistentSplitIds().length > 0;
             if (ActivityManagerWrapper.getInstance()
                     .startActivityFromRecents(mTask.key, opts.options)) {
+                if (isOldTaskSplit) {
+                    SystemUiProxy.INSTANCE.getNoCreate().exitSplitScreen(mTask.key.id);
+                }
                 RecentsView recentsView = getRecentsView();
                 if (ENABLE_QUICKSTEP_LIVE_TILE.get() && recentsView.getRunningTaskViewId() != -1) {
                     recentsView.onTaskLaunchedInLiveTileMode();
@@ -1067,7 +1077,6 @@
 
     private void setNonGridScale(float nonGridScale) {
         mNonGridScale = nonGridScale;
-        updateCornerRadius();
         applyScale();
     }
 
@@ -1098,6 +1107,7 @@
         scale *= mDismissScale;
         setScaleX(scale);
         setScaleY(scale);
+        updateSnapshotRadius();
     }
 
     /**
@@ -1413,29 +1423,25 @@
         mIconView.setVisibility(progress < 1 ? VISIBLE : INVISIBLE);
         mSnapshotView.getTaskOverlay().setFullscreenProgress(progress);
 
-        updateCornerRadius();
+        updateSnapshotRadius();
 
-        mSnapshotView.setFullscreenParams(mCurrentFullscreenParams);
         mOutlineProvider.updateParams(
                 mCurrentFullscreenParams,
                 mActivity.getDeviceProfile().overviewTaskThumbnailTopMarginPx);
         invalidateOutline();
     }
 
-    private void updateCornerRadius() {
+    private void updateSnapshotRadius() {
         updateCurrentFullscreenParams(mSnapshotView.getPreviewPositionHelper());
+        mSnapshotView.setFullscreenParams(mCurrentFullscreenParams);
     }
 
     void updateCurrentFullscreenParams(PreviewPositionHelper previewPositionHelper) {
         if (getRecentsView() == null) {
             return;
         }
-        mCurrentFullscreenParams.setProgress(
-                mFullscreenProgress,
-                getRecentsView().getScaleX(),
-                mNonGridScale,
-                getWidth(), mActivity.getDeviceProfile(),
-                previewPositionHelper);
+        mCurrentFullscreenParams.setProgress(mFullscreenProgress, getRecentsView().getScaleX(),
+                getScaleX(), getWidth(), mActivity.getDeviceProfile(), previewPositionHelper);
     }
 
     /**
diff --git a/quickstep/robolectric_tests/src/com/android/quickstep/util/RecentsOrientedStateTest.java b/quickstep/tests/src/com/android/quickstep/util/RecentsOrientedStateTest.java
similarity index 89%
rename from quickstep/robolectric_tests/src/com/android/quickstep/util/RecentsOrientedStateTest.java
rename to quickstep/tests/src/com/android/quickstep/util/RecentsOrientedStateTest.java
index 656379f..47ef13b 100644
--- a/quickstep/robolectric_tests/src/com/android/quickstep/util/RecentsOrientedStateTest.java
+++ b/quickstep/tests/src/com/android/quickstep/util/RecentsOrientedStateTest.java
@@ -19,33 +19,34 @@
 import static android.view.Surface.ROTATION_180;
 import static android.view.Surface.ROTATION_90;
 
+import static androidx.test.core.app.ApplicationProvider.getApplicationContext;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotEquals;
 
 import android.content.Context;
 
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+
 import com.android.quickstep.FallbackActivityInterface;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.robolectric.RobolectricTestRunner;
-import org.robolectric.RuntimeEnvironment;
-import org.robolectric.annotation.LooperMode;
-import org.robolectric.annotation.LooperMode.Mode;
 
 /**
  * Tests for {@link RecentsOrientedState}
  */
-@RunWith(RobolectricTestRunner.class)
-@LooperMode(Mode.PAUSED)
+@SmallTest
+@RunWith(AndroidJUnit4.class)
 public class RecentsOrientedStateTest {
 
     private RecentsOrientedState mR1, mR2;
 
     @Before
     public void setup() {
-        Context context = RuntimeEnvironment.application;
+        Context context = getApplicationContext();
         mR1 = new RecentsOrientedState(context, FallbackActivityInterface.INSTANCE, i -> { });
         mR2 = new RecentsOrientedState(context, FallbackActivityInterface.INSTANCE, i -> { });
         assertEquals(mR1.getStateId(), mR2.getStateId());
diff --git a/quickstep/tests/src/com/android/quickstep/util/TaskViewSimulatorTest.java b/quickstep/tests/src/com/android/quickstep/util/TaskViewSimulatorTest.java
new file mode 100644
index 0000000..9c5cfcd
--- /dev/null
+++ b/quickstep/tests/src/com/android/quickstep/util/TaskViewSimulatorTest.java
@@ -0,0 +1,246 @@
+/*
+ * 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.quickstep.util;
+
+import static android.view.Display.DEFAULT_DISPLAY;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+
+import android.graphics.Point;
+import android.graphics.Rect;
+import android.graphics.RectF;
+import android.view.Display;
+import android.view.Surface;
+import android.view.SurfaceControl;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+
+import com.android.launcher3.DeviceProfile;
+import com.android.launcher3.InvariantDeviceProfile;
+import com.android.launcher3.util.DisplayController;
+import com.android.launcher3.util.DisplayController.Info;
+import com.android.launcher3.util.LauncherModelHelper;
+import com.android.launcher3.util.ReflectionHelpers;
+import com.android.quickstep.FallbackActivityInterface;
+import com.android.quickstep.SysUINavigationMode;
+import com.android.quickstep.SystemUiProxy;
+import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
+import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams;
+
+import org.hamcrest.Description;
+import org.hamcrest.TypeSafeMatcher;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@SmallTest
+@RunWith(AndroidJUnit4.class)
+public class TaskViewSimulatorTest {
+
+    @Test
+    public void taskProperlyScaled_portrait_noRotation_sameInsets1() {
+        new TaskMatrixVerifier()
+                .withLauncherSize(1200, 2450)
+                .withInsets(new Rect(0, 80, 0, 120))
+                .verifyNoTransforms();
+    }
+
+    @Test
+    public void taskProperlyScaled_portrait_noRotation_sameInsets2() {
+        new TaskMatrixVerifier()
+                .withLauncherSize(1200, 2450)
+                .withInsets(new Rect(55, 80, 55, 120))
+                .verifyNoTransforms();
+    }
+
+    @Test
+    public void taskProperlyScaled_landscape_noRotation_sameInsets1() {
+        new TaskMatrixVerifier()
+                .withLauncherSize(2450, 1250)
+                .withInsets(new Rect(0, 80, 0, 40))
+                .verifyNoTransforms();
+    }
+
+    @Test
+    public void taskProperlyScaled_landscape_noRotation_sameInsets2() {
+        new TaskMatrixVerifier()
+                .withLauncherSize(2450, 1250)
+                .withInsets(new Rect(0, 80, 120, 0))
+                .verifyNoTransforms();
+    }
+
+    @Test
+    public void taskProperlyScaled_landscape_noRotation_sameInsets3() {
+        new TaskMatrixVerifier()
+                .withLauncherSize(2450, 1250)
+                .withInsets(new Rect(55, 80, 55, 120))
+                .verifyNoTransforms();
+    }
+
+    @Test
+    public void taskProperlyScaled_landscape_rotated() {
+        new TaskMatrixVerifier()
+                .withLauncherSize(1200, 2450)
+                .withInsets(new Rect(0, 80, 0, 120))
+                .withAppBounds(
+                        new Rect(0, 0, 2450, 1200),
+                        new Rect(0, 80, 0, 120),
+                        Surface.ROTATION_90)
+                .verifyNoTransforms();
+    }
+
+    private static class TaskMatrixVerifier extends TransformParams {
+
+        private Point mDisplaySize = new Point();
+        private Rect mDisplayInsets = new Rect();
+        private Rect mAppBounds = new Rect();
+        private Rect mLauncherInsets = new Rect();
+
+        private Rect mAppInsets;
+
+        private int mAppRotation = -1;
+        private DeviceProfile mDeviceProfile;
+
+        TaskMatrixVerifier withLauncherSize(int width, int height) {
+            mDisplaySize.set(width, height);
+            if (mAppBounds.isEmpty()) {
+                mAppBounds.set(0, 0, width, height);
+            }
+            return this;
+        }
+
+        TaskMatrixVerifier withInsets(Rect insets) {
+            mDisplayInsets.set(insets);
+            mLauncherInsets.set(insets);
+            return this;
+        }
+
+        TaskMatrixVerifier withAppBounds(Rect bounds, Rect insets, int appRotation) {
+            mAppBounds.set(bounds);
+            mAppInsets = insets;
+            mAppRotation = appRotation;
+            return this;
+        }
+
+        void verifyNoTransforms() {
+            LauncherModelHelper helper = new LauncherModelHelper();
+            try {
+                helper.sandboxContext.allow(SystemUiProxy.INSTANCE);
+                helper.sandboxContext.allow(SysUINavigationMode.INSTANCE);
+
+                Display display = mock(Display.class);
+                doReturn(DEFAULT_DISPLAY).when(display).getDisplayId();
+                doReturn(mDisplaySize.x > mDisplaySize.y ? Surface.ROTATION_90 : Surface.ROTATION_0)
+                        .when(display).getRotation();
+                doAnswer(i -> {
+                    ((Point) i.getArgument(0)).set(mDisplaySize.x, mDisplaySize.y);
+                    return null;
+                }).when(display).getRealSize(any());
+                doAnswer(i -> {
+                    Point smallestSize = i.getArgument(0);
+                    Point largestSize = i.getArgument(1);
+                    smallestSize.x = smallestSize.y = Math.min(mDisplaySize.x, mDisplaySize.y);
+                    largestSize.x = largestSize.y = Math.max(mDisplaySize.x, mDisplaySize.y);
+
+                    smallestSize.x -= mDisplayInsets.left + mDisplayInsets.right;
+                    largestSize.x -= mDisplayInsets.left + mDisplayInsets.right;
+
+                    smallestSize.y -= mDisplayInsets.top + mDisplayInsets.bottom;
+                    largestSize.y -= mDisplayInsets.top + mDisplayInsets.bottom;
+                    return null;
+                }).when(display).getCurrentSizeRange(any(), any());
+                DisplayController.Info mockInfo = new Info(helper.sandboxContext, display);
+
+                DisplayController controller =
+                        DisplayController.INSTANCE.get(helper.sandboxContext);
+                controller.close();
+                ReflectionHelpers.setField(controller, "mInfo", mockInfo);
+
+                mDeviceProfile = InvariantDeviceProfile.INSTANCE.get(helper.sandboxContext)
+                        .getBestMatch(mAppBounds.width(), mAppBounds.height());
+                mDeviceProfile.updateInsets(mLauncherInsets);
+
+                TaskViewSimulator tvs = new TaskViewSimulator(helper.sandboxContext,
+                        FallbackActivityInterface.INSTANCE);
+                tvs.setDp(mDeviceProfile);
+
+                int launcherRotation = mockInfo.rotation;
+                if (mAppRotation < 0) {
+                    mAppRotation = launcherRotation;
+                }
+
+                tvs.getOrientationState().update(launcherRotation, mAppRotation);
+                if (mAppInsets == null) {
+                    mAppInsets = new Rect(mLauncherInsets);
+                }
+                tvs.setPreviewBounds(mAppBounds, mAppInsets);
+
+                tvs.fullScreenProgress.value = 1;
+                tvs.recentsViewScale.value = tvs.getFullScreenScale();
+                tvs.apply(this);
+            } finally {
+                helper.destroy();
+            }
+        }
+
+        @Override
+        public SurfaceParams[] createSurfaceParams(BuilderProxy proxy) {
+            SurfaceParams.Builder builder = new SurfaceParams.Builder((SurfaceControl) null);
+            proxy.onBuildTargetParams(builder, mock(RemoteAnimationTargetCompat.class), this);
+            return new SurfaceParams[] {builder.build()};
+        }
+
+        @Override
+        public void applySurfaceParams(SurfaceParams[] params) {
+            // Verify that the task position remains the same
+            RectF newAppBounds = new RectF(mAppBounds);
+            params[0].matrix.mapRect(newAppBounds);
+            Assert.assertThat(newAppBounds, new AlmostSame(mAppBounds));
+
+            System.err.println("Bounds mapped: " + mAppBounds + " => " + newAppBounds);
+        }
+    }
+
+    private static class AlmostSame extends TypeSafeMatcher<RectF>  {
+
+        // Allow .1% error margin to account for float to int conversions
+        private final float mErrorFactor = .001f;
+        private final Rect mExpected;
+
+        AlmostSame(Rect expected) {
+            mExpected = expected;
+        }
+
+        @Override
+        protected boolean matchesSafely(RectF item) {
+            float errorWidth = mErrorFactor * mExpected.width();
+            float errorHeight = mErrorFactor * mExpected.height();
+            return Math.abs(item.left - mExpected.left) < errorWidth
+                    && Math.abs(item.top - mExpected.top) < errorHeight
+                    && Math.abs(item.right - mExpected.right) < errorWidth
+                    && Math.abs(item.bottom - mExpected.bottom) < errorHeight;
+        }
+
+        @Override
+        public void describeTo(Description description) {
+            description.appendValue(mExpected);
+        }
+    }
+}
diff --git a/res/layout/qsb_preview.xml b/res/layout/qsb_preview.xml
new file mode 100644
index 0000000..801fb04
--- /dev/null
+++ b/res/layout/qsb_preview.xml
@@ -0,0 +1,30 @@
+<?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.qsb.QsbContainerView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="0dp"
+    android:id="@id/search_container_workspace"
+    android:padding="0dp" >
+
+    <fragment
+        android:name="com.android.launcher3.qsb.QsbContainerView$QsbFragment"
+        android:layout_width="match_parent"
+        android:tag="qsb_view"
+        android:layout_height="match_parent"/>
+</com.android.launcher3.qsb.QsbContainerView>
\ No newline at end of file
diff --git a/res/raw/downgrade_schema.json b/res/raw/downgrade_schema.json
index bc25cec..14eac9f 100644
--- a/res/raw/downgrade_schema.json
+++ b/res/raw/downgrade_schema.json
@@ -2,8 +2,9 @@
   // Note: Comments are not supported in JSON schema, but android parser is lenient.
 
   // Maximum DB version supported by this schema
-  "version" : 29,
+  "version" : 30,
 
+  "downgrade_to_29" : [],
   "downgrade_to_28" : [
     "ALTER TABLE favorites RENAME TO temp_favorites;",
     "CREATE TABLE favorites(_id INTEGER PRIMARY KEY, title TEXT, intent TEXT, container INTEGER, screen INTEGER, cellX INTEGER, cellY INTEGER, spanX INTEGER, spanY INTEGER, itemType INTEGER, appWidgetId INTEGER NOT NULL DEFAULT - 1, iconPackage TEXT, iconResource TEXT, icon BLOB, appWidgetProvider TEXT, modified INTEGER NOT NULL DEFAULT 0, restored INTEGER NOT NULL DEFAULT 0, profileId INTEGER DEFAULT 0, rank INTEGER NOT NULL DEFAULT 0, options INTEGER NOT NULL DEFAULT 0);",
diff --git a/res/values/strings.xml b/res/values/strings.xml
index d1774e5..a6105eb 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -153,6 +153,7 @@
 
     <!-- All applications label -->
     <string name="all_apps_button_label">Apps list</string>
+    <string name="all_apps_search_results">Search results</string>
     <string name="all_apps_button_personal_label">Personal apps list</string>
     <string name="all_apps_button_work_label">Work apps list</string>
 
diff --git a/res/xml/default_workspace_splitdisplay_5x5.xml b/res/xml/default_workspace_splitdisplay_5x5.xml
deleted file mode 100644
index 162367b..0000000
--- a/res/xml/default_workspace_splitdisplay_5x5.xml
+++ /dev/null
@@ -1,107 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2009 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.
--->
-
-<favorites xmlns:launcher="http://schemas.android.com/apk/res-auto/com.android.launcher3">
-
-    <!-- Hotseat (We use the screen as the position of the item in the hotseat) -->
-    <!-- Dialer, Messaging, [Maps/Music], Browser, Camera -->
-    <resolve
-        launcher:container="-101"
-        launcher:screen="0"
-        launcher:x="0"
-        launcher:y="0" >
-        <favorite launcher:uri="#Intent;action=android.intent.action.DIAL;end" />
-        <favorite launcher:uri="tel:123" />
-        <favorite launcher:uri="#Intent;action=android.intent.action.CALL_BUTTON;end" />
-    </resolve>
-
-    <resolve
-        launcher:container="-101"
-        launcher:screen="1"
-        launcher:x="1"
-        launcher:y="0" >
-        <favorite launcher:uri="#Intent;action=android.intent.action.MAIN;category=android.intent.category.APP_MESSAGING;end" />
-        <favorite launcher:uri="sms:" />
-        <favorite launcher:uri="smsto:" />
-        <favorite launcher:uri="mms:" />
-        <favorite launcher:uri="mmsto:" />
-    </resolve>
-
-    <resolve
-        launcher:container="-101"
-        launcher:screen="2"
-        launcher:x="2"
-        launcher:y="0" >
-        <favorite launcher:uri="#Intent;action=android.intent.action.MAIN;category=android.intent.category.APP_MAPS;end" />
-        <favorite launcher:uri="#Intent;action=android.intent.action.MAIN;category=android.intent.category.APP_MUSIC;end" />
-    </resolve>
-
-    <resolve
-        launcher:container="-101"
-        launcher:screen="3"
-        launcher:x="3"
-        launcher:y="0" >
-        <favorite
-            launcher:uri="#Intent;action=android.intent.action.MAIN;category=android.intent.category.APP_BROWSER;end" />
-        <favorite launcher:uri="http://www.example.com/" />
-    </resolve>
-
-    <resolve
-        launcher:container="-101"
-        launcher:screen="4"
-        launcher:x="4"
-        launcher:y="0" >
-        <favorite launcher:uri="#Intent;action=android.media.action.STILL_IMAGE_CAMERA;end" />
-        <favorite launcher:uri="#Intent;action=android.intent.action.CAMERA_BUTTON;end" />
-    </resolve>
-
-    <!-- Bottom row -->
-    <resolve
-        launcher:screen="0"
-        launcher:x="0"
-        launcher:y="-1" >
-	    <favorite launcher:uri="#Intent;action=android.intent.action.MAIN;category=android.intent.category.APP_EMAIL;end" />
-	    <favorite launcher:uri="mailto:" />
-
-    </resolve>
-
-    <resolve
-        launcher:screen="0"
-        launcher:x="1"
-        launcher:y="-1" >
-	    <favorite launcher:uri="#Intent;action=android.intent.action.MAIN;category=android.intent.category.APP_GALLERY;end" />
-	    <favorite launcher:uri="#Intent;type=images/*;end" />
-
-    </resolve>
-
-    <resolve
-        launcher:screen="0"
-        launcher:x="4"
-        launcher:y="-1" >
-        <favorite launcher:uri="#Intent;action=android.intent.action.MAIN;category=android.intent.category.APP_MARKET;end" />
-        <favorite launcher:uri="market://details?id=com.android.launcher" />
-    </resolve>
-
-    <!-- Placeholder before we add page pairing in b/196376162 -->
-    <resolve
-        launcher:screen="1"
-        launcher:x="0"
-        launcher:y="-4" >
-        <favorite launcher:uri="#Intent;action=android.intent.action.MAIN;category=android.intent.category.APP_GALLERY;end" />
-        <favorite launcher:uri="#Intent;type=images/*;end" />
-    </resolve>
-
-</favorites>
diff --git a/res/xml/device_profiles.xml b/res/xml/device_profiles.xml
index d8ee6f2..256999c 100644
--- a/res/xml/device_profiles.xml
+++ b/res/xml/device_profiles.xml
@@ -105,8 +105,7 @@
         launcher:numFolderColumns="4"
         launcher:numHotseatIcons="5"
         launcher:dbFile="launcher.db"
-        launcher:defaultLayoutId="@xml/default_workspace_5x5"
-        launcher:defaultSplitDisplayLayoutId="@xml/default_workspace_splitdisplay_5x5" >
+        launcher:defaultLayoutId="@xml/default_workspace_5x5" >
 
         <display-option
             launcher:name="Large Phone"
diff --git a/robolectric_tests/Android.bp b/robolectric_tests/Android.bp
deleted file mode 100644
index 6473d00..0000000
--- a/robolectric_tests/Android.bp
+++ /dev/null
@@ -1,62 +0,0 @@
-// Copyright (C) 2021 The Android Open Source Project
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-//
-// Launcher Robolectric test target.
-//
-//        "robolectric_android-all-stub", not needed, we write our own stubs
-package {
-    // See: http://go/android-license-faq
-    // A large-scale-change added 'default_applicable_licenses' to import
-    // all of the 'license_kinds' from "packages_apps_Launcher3_license"
-    // to get the below license kinds:
-    //   SPDX-license-identifier-Apache-2.0
-    default_applicable_licenses: ["packages_apps_Launcher3_license"],
-}
-
-filegroup {
-    name: "launcher3-robolectric-resources",
-    path: "resources",
-    srcs: ["resources/*"],
-}
-
-filegroup {
-    name: "launcher3-robolectric-src",
-    srcs: ["src/**/*.java"],
-}
-
-android_robolectric_test {
-    name: "LauncherRoboTests",
-    srcs: [
-        ":launcher3-robolectric-src",
-    ],
-    java_resources: [":launcher3-robolectric-resources"],
-    static_libs: [
-        "truth-prebuilt",
-        "androidx.test.espresso.contrib",
-        "androidx.test.espresso.core",
-        "androidx.test.espresso.intents",
-        "androidx.test.ext.junit",
-        "androidx.test.runner",
-        "androidx.test.rules",
-        "mockito-robolectric-prebuilt",
-        "SystemUISharedLib",
-    ],
-    robolectric_prebuilt_version: "4.5.1",
-    instrumentation_for: "Launcher3",
-
-    test_options: {
-        timeout: 36000,
-    },
-}
diff --git a/robolectric_tests/res/values/overlayable_icons_test.xml b/robolectric_tests/res/values/overlayable_icons_test.xml
deleted file mode 100644
index 5144e52..0000000
--- a/robolectric_tests/res/values/overlayable_icons_test.xml
+++ /dev/null
@@ -1,36 +0,0 @@
-<!--
-   Copyright (C) 2019 The Android Open Source Project
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-        http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
--->
-<resources>
-    <!-- overlayable_icons references all of the drawables in this package
-         that are being overlayed by resource overlays. If you remove/rename
-         any of these resources, you must also change the resource overlay icons.-->
-    <array name="overlayable_icons">
-        <item>@drawable/ic_corp</item>
-        <item>@drawable/ic_drag_handle</item>
-        <item>@drawable/ic_hourglass_top</item>
-        <item>@drawable/ic_info_no_shadow</item>
-        <item>@drawable/ic_install_no_shadow</item>
-        <item>@drawable/ic_palette</item>
-        <item>@drawable/ic_pin</item>
-        <item>@drawable/ic_remove_no_shadow</item>
-        <item>@drawable/ic_setting</item>
-        <item>@drawable/ic_smartspace_preferences</item>
-        <item>@drawable/ic_split_screen</item>
-        <item>@drawable/ic_uninstall_no_shadow</item>
-        <item>@drawable/ic_warning</item>
-        <item>@drawable/ic_widget</item>
-    </array>
-</resources>
diff --git a/robolectric_tests/resources/robolectric.properties b/robolectric_tests/resources/robolectric.properties
deleted file mode 100644
index abb6968..0000000
--- a/robolectric_tests/resources/robolectric.properties
+++ /dev/null
@@ -1,15 +0,0 @@
-sdk=30
-
-shadows= \
-    com.android.launcher3.shadows.LShadowAppPredictionManager \
-    com.android.launcher3.shadows.LShadowAppWidgetManager \
-    com.android.launcher3.shadows.LShadowBackupManager \
-    com.android.launcher3.shadows.LShadowDisplay \
-    com.android.launcher3.shadows.LShadowLauncherApps \
-    com.android.launcher3.shadows.ShadowDeviceFlag \
-    com.android.launcher3.shadows.ShadowLooperExecutor \
-    com.android.launcher3.shadows.ShadowMainThreadInitializedObject \
-    com.android.launcher3.shadows.ShadowOverrides \
-    com.android.launcher3.shadows.ShadowSurfaceTransactionApplier \
-
-application=com.android.launcher3.util.LauncherTestApplication
diff --git a/robolectric_tests/src/com/android/launcher3/shadows/LShadowAppPredictionManager.java b/robolectric_tests/src/com/android/launcher3/shadows/LShadowAppPredictionManager.java
deleted file mode 100644
index ae051f7..0000000
--- a/robolectric_tests/src/com/android/launcher3/shadows/LShadowAppPredictionManager.java
+++ /dev/null
@@ -1,38 +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.shadows;
-
-import static org.mockito.Mockito.mock;
-
-import android.app.prediction.AppPredictionContext;
-import android.app.prediction.AppPredictionManager;
-import android.app.prediction.AppPredictor;
-
-import org.robolectric.annotation.Implementation;
-import org.robolectric.annotation.Implements;
-
-/**
- * Shadow for {@link AppPredictionManager} which create mock predictors
- */
-@Implements(value = AppPredictionManager.class)
-public class LShadowAppPredictionManager {
-
-    @Implementation
-    public AppPredictor createAppPredictionSession(AppPredictionContext predictionContext) {
-        return mock(AppPredictor.class);
-    }
-}
diff --git a/robolectric_tests/src/com/android/launcher3/shadows/LShadowAppWidgetManager.java b/robolectric_tests/src/com/android/launcher3/shadows/LShadowAppWidgetManager.java
deleted file mode 100644
index 696ffd0..0000000
--- a/robolectric_tests/src/com/android/launcher3/shadows/LShadowAppWidgetManager.java
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.launcher3.shadows;
-
-import android.appwidget.AppWidgetManager;
-import android.appwidget.AppWidgetProviderInfo;
-import android.os.Process;
-import android.os.UserHandle;
-
-import org.robolectric.annotation.Implementation;
-import org.robolectric.annotation.Implements;
-import org.robolectric.shadows.ShadowAppWidgetManager;
-
-import java.util.List;
-import java.util.stream.Collectors;
-
-/**
- * Extension of {@link ShadowAppWidgetManager} with missing shadow methods
- */
-@Implements(value = AppWidgetManager.class)
-public class LShadowAppWidgetManager extends ShadowAppWidgetManager {
-
-    @Override
-    protected List<AppWidgetProviderInfo> getInstalledProviders() {
-        return getInstalledProvidersForProfile(null);
-    }
-
-    @Implementation
-    public List<AppWidgetProviderInfo> getInstalledProvidersForProfile(UserHandle profile) {
-        UserHandle user = profile == null ? Process.myUserHandle() : profile;
-        return super.getInstalledProviders().stream().filter(
-                info -> user.equals(info.getProfile())).collect(Collectors.toList());
-    }
-}
diff --git a/robolectric_tests/src/com/android/launcher3/shadows/LShadowBackupManager.java b/robolectric_tests/src/com/android/launcher3/shadows/LShadowBackupManager.java
deleted file mode 100644
index eae0101..0000000
--- a/robolectric_tests/src/com/android/launcher3/shadows/LShadowBackupManager.java
+++ /dev/null
@@ -1,45 +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.shadows;
-
-import android.app.backup.BackupManager;
-import android.os.UserHandle;
-import android.util.LongSparseArray;
-
-import androidx.annotation.Nullable;
-
-import org.robolectric.annotation.Implementation;
-import org.robolectric.annotation.Implements;
-import org.robolectric.shadows.ShadowBackupManager;
-
-/**
- * Extension of {@link ShadowBackupManager} with missing shadow methods
- */
-@Implements(value = BackupManager.class)
-public class LShadowBackupManager extends ShadowBackupManager {
-
-    private LongSparseArray<UserHandle> mProfileMapping = new LongSparseArray<>();
-
-    public void addProfile(long userSerial, UserHandle userHandle) {
-        mProfileMapping.put(userSerial, userHandle);
-    }
-
-    @Implementation
-    @Nullable
-    public UserHandle getUserForAncestralSerialNumber(long ancestralSerialNumber) {
-        return mProfileMapping.get(ancestralSerialNumber);
-    }
-}
diff --git a/robolectric_tests/src/com/android/launcher3/shadows/LShadowDisplay.java b/robolectric_tests/src/com/android/launcher3/shadows/LShadowDisplay.java
deleted file mode 100644
index 3813fa1..0000000
--- a/robolectric_tests/src/com/android/launcher3/shadows/LShadowDisplay.java
+++ /dev/null
@@ -1,54 +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.shadows;
-
-import static org.robolectric.shadow.api.Shadow.directlyOn;
-
-import android.graphics.Point;
-import android.graphics.Rect;
-import android.view.Display;
-
-import org.robolectric.annotation.Implements;
-import org.robolectric.annotation.RealObject;
-import org.robolectric.shadows.ShadowDisplay;
-
-/**
- * Extension of {@link ShadowDisplay} with missing shadow methods
- */
-@Implements(value = Display.class)
-public class LShadowDisplay extends ShadowDisplay {
-
-    private final Rect mInsets = new Rect();
-
-    @RealObject Display realObject;
-
-    /**
-     * Sets the insets for the display
-     */
-    public void setInsets(Rect insets) {
-        mInsets.set(insets);
-    }
-
-    @Override
-    protected void getCurrentSizeRange(Point outSmallestSize, Point outLargestSize) {
-        directlyOn(realObject, Display.class).getCurrentSizeRange(outSmallestSize, outLargestSize);
-        outSmallestSize.x -= mInsets.left + mInsets.right;
-        outLargestSize.x -= mInsets.left + mInsets.right;
-
-        outSmallestSize.y -= mInsets.top + mInsets.bottom;
-        outLargestSize.y -= mInsets.top + mInsets.bottom;
-    }
-}
diff --git a/robolectric_tests/src/com/android/launcher3/shadows/LShadowLauncherApps.java b/robolectric_tests/src/com/android/launcher3/shadows/LShadowLauncherApps.java
deleted file mode 100644
index 6a6f0fb..0000000
--- a/robolectric_tests/src/com/android/launcher3/shadows/LShadowLauncherApps.java
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.launcher3.shadows;
-
-import static org.robolectric.util.ReflectionHelpers.ClassParameter;
-import static org.robolectric.util.ReflectionHelpers.callConstructor;
-
-import android.content.ComponentName;
-import android.content.Context;
-import android.content.Intent;
-import android.content.pm.ActivityInfo;
-import android.content.pm.ApplicationInfo;
-import android.content.pm.LauncherActivityInfo;
-import android.content.pm.LauncherApps;
-import android.content.pm.PackageInstaller;
-import android.content.pm.PackageManager;
-import android.content.pm.ResolveInfo;
-import android.content.pm.ShortcutInfo;
-import android.os.UserHandle;
-import android.util.ArraySet;
-
-import com.android.launcher3.util.ComponentKey;
-import com.android.launcher3.util.PackageUserKey;
-
-import org.robolectric.RuntimeEnvironment;
-import org.robolectric.annotation.Implementation;
-import org.robolectric.annotation.Implements;
-import org.robolectric.shadows.ShadowLauncherApps;
-
-import java.util.Collections;
-import java.util.List;
-import java.util.concurrent.Executor;
-import java.util.stream.Collectors;
-
-/**
- * Extension of {@link ShadowLauncherApps} with missing shadow methods
- */
-@Implements(value = LauncherApps.class)
-public class LShadowLauncherApps extends ShadowLauncherApps {
-
-    public final ArraySet<PackageUserKey> disabledApps = new ArraySet<>();
-    public final ArraySet<ComponentKey> disabledActivities = new ArraySet<>();
-
-    @Implementation
-    @Override
-    protected List<ShortcutInfo> getShortcuts(LauncherApps.ShortcutQuery query, UserHandle user) {
-        try {
-            return super.getShortcuts(query, user);
-        } catch (UnsupportedOperationException e) {
-            return Collections.emptyList();
-        }
-    }
-
-    @Implementation
-    protected boolean isPackageEnabled(String packageName, UserHandle user) {
-        return !disabledApps.contains(new PackageUserKey(packageName, user));
-    }
-
-    @Implementation
-    protected boolean isActivityEnabled(ComponentName component, UserHandle user) {
-        return !disabledActivities.contains(new ComponentKey(component, user));
-    }
-
-    @Implementation
-    protected LauncherActivityInfo resolveActivity(Intent intent, UserHandle user) {
-        ResolveInfo ri = RuntimeEnvironment.application.getPackageManager()
-                .resolveActivity(intent, 0);
-        return ri == null ? null : getLauncherActivityInfo(ri.activityInfo, user);
-    }
-
-    public LauncherActivityInfo getLauncherActivityInfo(
-            ActivityInfo activityInfo, UserHandle user) {
-        return callConstructor(LauncherActivityInfo.class,
-                ClassParameter.from(Context.class, RuntimeEnvironment.application),
-                ClassParameter.from(ActivityInfo.class, activityInfo),
-                ClassParameter.from(UserHandle.class, user));
-    }
-
-    @Implementation
-    public ApplicationInfo getApplicationInfo(String packageName, int flags, UserHandle user)
-            throws PackageManager.NameNotFoundException {
-        return RuntimeEnvironment.application.getPackageManager()
-                .getApplicationInfo(packageName, flags);
-    }
-
-    @Implementation
-    public List<LauncherActivityInfo> getActivityList(String packageName, UserHandle user) {
-        Intent intent = new Intent(Intent.ACTION_MAIN)
-                .addCategory(Intent.CATEGORY_LAUNCHER)
-                .setPackage(packageName);
-        return RuntimeEnvironment.application.getPackageManager().queryIntentActivities(intent, 0)
-                .stream()
-                .map(ri -> getLauncherActivityInfo(ri.activityInfo, user))
-                .collect(Collectors.toList());
-    }
-
-    @Implementation
-    public boolean hasShortcutHostPermission() {
-        return true;
-    }
-
-    @Implementation
-    public List<PackageInstaller.SessionInfo> getAllPackageInstallerSessions() {
-        return RuntimeEnvironment.application.getPackageManager().getPackageInstaller()
-                .getAllSessions();
-    }
-
-    @Implementation
-    public void registerPackageInstallerSessionCallback(
-            Executor executor, PackageInstaller.SessionCallback callback) {
-    }
-
-    @Override
-    protected List<LauncherActivityInfo> getShortcutConfigActivityList(String packageName,
-            UserHandle user) {
-        Intent intent = new Intent(Intent.ACTION_CREATE_SHORTCUT).setPackage(packageName);
-        return RuntimeEnvironment.application.getPackageManager().queryIntentActivities(intent, 0)
-                .stream()
-                .map(ri -> getLauncherActivityInfo(ri.activityInfo, user))
-                .collect(Collectors.toList());
-    }
-}
diff --git a/robolectric_tests/src/com/android/launcher3/shadows/ShadowDeviceFlag.java b/robolectric_tests/src/com/android/launcher3/shadows/ShadowDeviceFlag.java
deleted file mode 100644
index b58e4b7..0000000
--- a/robolectric_tests/src/com/android/launcher3/shadows/ShadowDeviceFlag.java
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.launcher3.shadows;
-
-import android.content.Context;
-
-import androidx.annotation.Nullable;
-
-import com.android.launcher3.uioverrides.DeviceFlag;
-import com.android.launcher3.util.LooperExecutor;
-
-import org.robolectric.annotation.Implementation;
-import org.robolectric.annotation.Implements;
-import org.robolectric.annotation.RealObject;
-import org.robolectric.shadow.api.Shadow;
-
-/**
- * Shadow for {@link LooperExecutor} to provide reset functionality for static executors.
- */
-@Implements(value = DeviceFlag.class, isInAndroidSdk = false)
-public class ShadowDeviceFlag {
-
-    @RealObject private DeviceFlag mRealObject;
-    @Nullable private Boolean mValue;
-
-    /**
-     * Mock change listener as it uses internal system classes not available to robolectric
-     */
-    @Implementation
-    protected void addChangeListener(Context context, Runnable r) { }
-
-    @Implementation
-    protected static boolean getDeviceValue(String key, boolean defaultValue) {
-        return defaultValue;
-    }
-
-    @Implementation
-    public boolean get() {
-        if (mValue != null) {
-            return mValue;
-        }
-        return Shadow.directlyOn(mRealObject, DeviceFlag.class, "get");
-    }
-
-    public void setValue(boolean value) {
-        mValue = new Boolean(value);
-    }
-}
diff --git a/robolectric_tests/src/com/android/launcher3/shadows/ShadowLooperExecutor.java b/robolectric_tests/src/com/android/launcher3/shadows/ShadowLooperExecutor.java
deleted file mode 100644
index 57eda7e..0000000
--- a/robolectric_tests/src/com/android/launcher3/shadows/ShadowLooperExecutor.java
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.launcher3.shadows;
-
-import static com.android.launcher3.util.Executors.createAndStartNewLooper;
-
-import static org.robolectric.shadow.api.Shadow.directlyOn;
-import static org.robolectric.util.ReflectionHelpers.setField;
-
-import android.os.Handler;
-
-import androidx.annotation.Nullable;
-
-import com.android.launcher3.util.LooperExecutor;
-
-import org.robolectric.annotation.Implementation;
-import org.robolectric.annotation.Implements;
-import org.robolectric.annotation.RealObject;
-
-/**
- * Shadow for {@link LooperExecutor} to provide reset functionality for static executors.
- */
-@Implements(value = LooperExecutor.class, isInAndroidSdk = false)
-public class ShadowLooperExecutor {
-
-    @RealObject private LooperExecutor mRealExecutor;
-
-    private Handler mOverriddenHandler;
-
-    @Implementation
-    protected Handler getHandler() {
-        if (mOverriddenHandler != null) {
-            return mOverriddenHandler;
-        }
-        Handler handler = directlyOn(mRealExecutor, LooperExecutor.class, "getHandler");
-        Thread thread = handler.getLooper().getThread();
-        if (!thread.isAlive()) {
-            // Robolectric destroys all loopers at the end of every test. Since Launcher maintains
-            // some static threads, they need to be reinitialized in case they were destroyed.
-            setField(mRealExecutor, "mHandler",
-                    new Handler(createAndStartNewLooper(thread.getName())));
-        }
-        return directlyOn(mRealExecutor, LooperExecutor.class, "getHandler");
-    }
-
-    public void setHandler(@Nullable Handler handler) {
-        mOverriddenHandler = handler;
-    }
-}
diff --git a/robolectric_tests/src/com/android/launcher3/shadows/ShadowMainThreadInitializedObject.java b/robolectric_tests/src/com/android/launcher3/shadows/ShadowMainThreadInitializedObject.java
deleted file mode 100644
index 6e2ccf8..0000000
--- a/robolectric_tests/src/com/android/launcher3/shadows/ShadowMainThreadInitializedObject.java
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.launcher3.shadows;
-
-import static org.robolectric.shadow.api.Shadow.invokeConstructor;
-import static org.robolectric.util.ReflectionHelpers.ClassParameter.from;
-
-import com.android.launcher3.util.MainThreadInitializedObject;
-import com.android.launcher3.util.MainThreadInitializedObject.ObjectProvider;
-
-import org.robolectric.annotation.Implementation;
-import org.robolectric.annotation.Implements;
-import org.robolectric.annotation.RealObject;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Set;
-import java.util.WeakHashMap;
-
-/**
- * Shadow for {@link MainThreadInitializedObject} to provide reset functionality for static sObjects
- */
-@Implements(value = MainThreadInitializedObject.class, isInAndroidSdk = false)
-public class ShadowMainThreadInitializedObject {
-
-    // Keep reference to all created MainThreadInitializedObject so they can be cleared after test
-    private static Set<MainThreadInitializedObject> sObjects =
-            Collections.synchronizedSet(Collections.newSetFromMap(new WeakHashMap<>()));
-
-    @RealObject private MainThreadInitializedObject mRealObject;
-
-    @Implementation
-    protected void __constructor__(ObjectProvider provider) {
-        invokeConstructor(MainThreadInitializedObject.class, mRealObject,
-                from(ObjectProvider.class, provider));
-        sObjects.add(mRealObject);
-    }
-
-    /**
-     * Resets all the initialized sObjects to be null
-     */
-    public static void resetInitializedObjects() {
-        for (MainThreadInitializedObject object : new ArrayList<>(sObjects)) {
-            object.initializeForTesting(null);
-        }
-    }
-}
diff --git a/robolectric_tests/src/com/android/launcher3/shadows/ShadowOverrides.java b/robolectric_tests/src/com/android/launcher3/shadows/ShadowOverrides.java
deleted file mode 100644
index 131f691..0000000
--- a/robolectric_tests/src/com/android/launcher3/shadows/ShadowOverrides.java
+++ /dev/null
@@ -1,61 +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.shadows;
-
-import android.content.Context;
-
-import com.android.launcher3.util.MainThreadInitializedObject.ObjectProvider;
-import com.android.launcher3.util.ResourceBasedOverride;
-import com.android.launcher3.util.ResourceBasedOverride.Overrides;
-
-import org.robolectric.annotation.Implementation;
-import org.robolectric.annotation.Implements;
-import org.robolectric.shadow.api.Shadow;
-import org.robolectric.util.ReflectionHelpers.ClassParameter;
-
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * Shadow for {@link Overrides} to provide custom overrides for test
- */
-@Implements(value = Overrides.class, isInAndroidSdk = false)
-public class ShadowOverrides {
-
-    private static Map<Class, ObjectProvider> sProviderMap = new HashMap<>();
-
-    @Implementation
-    public static <T extends ResourceBasedOverride> T getObject(
-            Class<T> clazz, Context context, int resId) {
-        ObjectProvider<T> provider = sProviderMap.get(clazz);
-        if (provider != null) {
-            return provider.get(context);
-        }
-        return Shadow.directlyOn(Overrides.class, "getObject",
-                ClassParameter.from(Class.class, clazz),
-                ClassParameter.from(Context.class, context),
-                ClassParameter.from(int.class, resId));
-    }
-
-    public static <T> void setProvider(Class<T> clazz, ObjectProvider<T> provider) {
-        sProviderMap.put(clazz, provider);
-    }
-
-    public static void clearProvider() {
-        sProviderMap.clear();
-    }
-}
diff --git a/robolectric_tests/src/com/android/launcher3/shadows/ShadowSurfaceTransactionApplier.java b/robolectric_tests/src/com/android/launcher3/shadows/ShadowSurfaceTransactionApplier.java
deleted file mode 100644
index a9f2f27..0000000
--- a/robolectric_tests/src/com/android/launcher3/shadows/ShadowSurfaceTransactionApplier.java
+++ /dev/null
@@ -1,42 +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.shadows;
-
-import static org.robolectric.shadow.api.Shadow.invokeConstructor;
-import static org.robolectric.util.ReflectionHelpers.ClassParameter.from;
-
-import android.view.View;
-
-import org.robolectric.annotation.Implementation;
-import org.robolectric.annotation.Implements;
-import org.robolectric.annotation.RealObject;
-
-/**
- * Shadow for SurfaceTransactionApplier to override default functionality
- */
-@Implements(className = "com.android.quickstep.util.SurfaceTransactionApplier",
-        isInAndroidSdk = false)
-public class ShadowSurfaceTransactionApplier {
-
-    @RealObject
-    private Object mRealObject;
-
-    @Implementation
-    protected void __constructor__(View view) {
-        invokeConstructor(mRealObject.getClass(), mRealObject, from(View.class, null));
-    }
-}
diff --git a/robolectric_tests/src/com/android/launcher3/util/LauncherTestApplication.java b/robolectric_tests/src/com/android/launcher3/util/LauncherTestApplication.java
deleted file mode 100644
index efac150..0000000
--- a/robolectric_tests/src/com/android/launcher3/util/LauncherTestApplication.java
+++ /dev/null
@@ -1,50 +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.util;
-
-import static org.mockito.Mockito.mock;
-
-import android.app.Application;
-
-import com.android.launcher3.shadows.ShadowMainThreadInitializedObject;
-import com.android.launcher3.shadows.ShadowOverrides;
-import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
-
-import org.robolectric.TestLifecycleApplication;
-import org.robolectric.shadows.ShadowLog;
-
-import java.lang.reflect.Method;
-
-public class LauncherTestApplication extends Application implements TestLifecycleApplication {
-
-    @Override
-    public void beforeTest(Method method) {
-        ShadowLog.stream = System.out;
-
-        // Disable plugins
-        PluginManagerWrapper.INSTANCE.initializeForTesting(mock(PluginManagerWrapper.class));
-    }
-
-    @Override
-    public void prepareTest(Object test) { }
-
-    @Override
-    public void afterTest(Method method) {
-        ShadowLog.stream = null;
-        ShadowMainThreadInitializedObject.resetInitializedObjects();
-        ShadowOverrides.clearProvider();
-    }
-}
diff --git a/robolectric_tests/unstaged/SettingsCacheTest.java b/robolectric_tests/unstaged/SettingsCacheTest.java
deleted file mode 100644
index fbf4c63..0000000
--- a/robolectric_tests/unstaged/SettingsCacheTest.java
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * Copyright (C) 2021 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.launcher3.util;
-
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
-
-import android.content.Context;
-import android.net.Uri;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.robolectric.RobolectricTestRunner;
-import org.robolectric.RuntimeEnvironment;
-
-import java.util.Collections;
-
-@RunWith(RobolectricTestRunner.class)
-public class SettingsCacheTest {
-
-    public static final Uri KEY_SYSTEM_URI_TEST1 = Uri.parse("content://settings/system/test1");
-    public static final Uri KEY_SYSTEM_URI_TEST2 = Uri.parse("content://settings/system/test2");;
-
-    private SettingsCache.OnChangeListener mChangeListener;
-    private SettingsCache mSettingsCache;
-
-    @Before
-    public void setup() {
-        mChangeListener = mock(SettingsCache.OnChangeListener.class);
-        Context targetContext = RuntimeEnvironment.application;
-        mSettingsCache = SettingsCache.INSTANCE.get(targetContext);
-        mSettingsCache.register(KEY_SYSTEM_URI_TEST1, mChangeListener);
-    }
-
-    @Test
-    public void listenerCalledOnChange() {
-        mSettingsCache.onChange(true, KEY_SYSTEM_URI_TEST1);
-        verify(mChangeListener, times(1)).onSettingsChanged(true);
-    }
-
-    @Test
-    public void getValueRespectsDefaultValue() {
-        // Case of key not found
-        boolean val = mSettingsCache.getValue(KEY_SYSTEM_URI_TEST1, 0);
-        assertFalse(val);
-    }
-
-    @Test
-    public void getValueHitsCache() {
-        mSettingsCache.setKeyCache(Collections.singletonMap(KEY_SYSTEM_URI_TEST1, true));
-        boolean val = mSettingsCache.getValue(KEY_SYSTEM_URI_TEST1, 0);
-        assertTrue(val);
-    }
-
-    @Test
-    public void getValueUpdatedCache() {
-        // First ensure there's nothing in cache
-        boolean val = mSettingsCache.getValue(KEY_SYSTEM_URI_TEST1, 0);
-        assertFalse(val);
-
-        mSettingsCache.setKeyCache(Collections.singletonMap(KEY_SYSTEM_URI_TEST1, true));
-        val = mSettingsCache.getValue(KEY_SYSTEM_URI_TEST1, 0);
-        assertTrue(val);
-    }
-
-    @Test
-    public void multipleListenersSingleKey() {
-        SettingsCache.OnChangeListener secondListener = mock(SettingsCache.OnChangeListener.class);
-        mSettingsCache.register(KEY_SYSTEM_URI_TEST1, secondListener);
-
-        mSettingsCache.onChange(true, KEY_SYSTEM_URI_TEST1);
-        verify(mChangeListener, times(1)).onSettingsChanged(true);
-        verify(secondListener, times(1)).onSettingsChanged(true);
-    }
-
-    @Test
-    public void singleListenerMultipleKeys() {
-        SettingsCache.OnChangeListener secondListener = mock(SettingsCache.OnChangeListener.class);
-        mSettingsCache.register(KEY_SYSTEM_URI_TEST2, secondListener);
-
-        mSettingsCache.onChange(true, KEY_SYSTEM_URI_TEST1);
-        mSettingsCache.onChange(true, KEY_SYSTEM_URI_TEST2);
-        verify(mChangeListener, times(1)).onSettingsChanged(true);
-        verify(secondListener, times(1)).onSettingsChanged(true);
-    }
-
-    @Test
-    public void sameListenerMultipleKeys() {
-        SettingsCache.OnChangeListener secondListener = mock(SettingsCache.OnChangeListener.class);
-        mSettingsCache.register(KEY_SYSTEM_URI_TEST2, mChangeListener);
-
-        mSettingsCache.onChange(true, KEY_SYSTEM_URI_TEST1);
-        mSettingsCache.onChange(true, KEY_SYSTEM_URI_TEST2);
-        verify(mChangeListener, times(2)).onSettingsChanged(true);
-        verify(secondListener, times(0)).onSettingsChanged(true);
-    }
-}
diff --git a/src/com/android/launcher3/InvariantDeviceProfile.java b/src/com/android/launcher3/InvariantDeviceProfile.java
index a2189c9..244cb59 100644
--- a/src/com/android/launcher3/InvariantDeviceProfile.java
+++ b/src/com/android/launcher3/InvariantDeviceProfile.java
@@ -548,15 +548,18 @@
         Resources res = context.getResources();
         Configuration config = context.getResources().getConfiguration();
 
-        float availableWidth = config.screenWidthDp * res.getDisplayMetrics().density;
-        float availableHeight = config.screenHeightDp * res.getDisplayMetrics().density;
+        float screenWidth = config.screenWidthDp * res.getDisplayMetrics().density;
+        float screenHeight = config.screenHeightDp * res.getDisplayMetrics().density;
+        return getBestMatch(screenWidth, screenHeight);
+    }
 
+    public DeviceProfile getBestMatch(float screenWidth, float screenHeight) {
         DeviceProfile bestMatch = supportedProfiles.get(0);
         float minDiff = Float.MAX_VALUE;
 
         for (DeviceProfile profile : supportedProfiles) {
-            float diff = Math.abs(profile.availableWidthPx - availableWidth)
-                    + Math.abs(profile.availableHeightPx - availableHeight);
+            float diff = Math.abs(profile.widthPx - screenWidth)
+                    + Math.abs(profile.heightPx - screenHeight);
             if (diff < minDiff) {
                 minDiff = diff;
                 bestMatch = profile;
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 94dbe00..ed9f044 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -600,9 +600,11 @@
 
     private void initDeviceProfile(InvariantDeviceProfile idp) {
         // Load configuration-specific DeviceProfile
-        mDeviceProfile = isInMultiWindowMode()
-                ? mDeviceProfile.getMultiWindowProfile(this, getMultiWindowDisplaySize())
-                : idp.getDeviceProfile(this);
+        mDeviceProfile = idp.getDeviceProfile(this);
+        if (isInMultiWindowMode()) {
+            mDeviceProfile = mDeviceProfile.getMultiWindowProfile(
+                    this, getMultiWindowDisplaySize());
+        }
 
         onDeviceProfileInitiated();
         mModelWriter = mModel.getWriter(getDeviceProfile().isVerticalBarLayout(), true, this);
@@ -877,11 +879,11 @@
         if (dropLayout == null) {
             // it's possible that the add screen was removed because it was
             // empty and a re-bind occurred
-            mWorkspace.addExtraEmptyScreen();
-            return mWorkspace.commitExtraEmptyScreen();
-        } else {
-            return screenId;
+            mWorkspace.addExtraEmptyScreens();
+            IntSet emptyPagesAdded = mWorkspace.commitExtraEmptyScreens();
+            return emptyPagesAdded.isEmpty() ? -1 : emptyPagesAdded.getArray().get(0);
         }
+        return screenId;
     }
 
     @Thunk
@@ -2112,19 +2114,19 @@
             actualIds.add(id);
         }
         int firstId = visibleIds.getArray().get(0);
+        int pairId = mWorkspace.getPagePair(firstId);
+        // Double check that actual screenIds contains the visibleId, as empty screens are hidden
+        // in single panel.
         if (actualIds.contains(firstId)) {
             result.add(firstId);
-
-            if (mDeviceProfile.isTwoPanels) {
-                int index = actualIds.indexOf(firstId);
-                int nextIndex = (index / 2) * 2;
-                if (nextIndex == index) {
-                    nextIndex++;
-                }
-                if (nextIndex < actualIds.size()) {
-                    result.add(actualIds.get(nextIndex));
-                }
+            if (mDeviceProfile.isTwoPanels && actualIds.contains(pairId)) {
+                result.add(pairId);
             }
+        } else if (LauncherAppState.getIDP(this).supportedProfiles.stream().anyMatch(
+                deviceProfile -> deviceProfile.isTwoPanels) && actualIds.contains(pairId)) {
+            // Add the right panel if left panel is hidden when switching display, due to empty
+            // pages being hidden in single panel.
+            result.add(pairId);
         }
         return result;
     }
@@ -2181,7 +2183,7 @@
             orderedScreenIds.add(firstScreenPosition, Workspace.FIRST_SCREEN_ID);
         } else if (!FeatureFlags.QSB_ON_FIRST_SCREEN && orderedScreenIds.isEmpty()) {
             // If there are no screens, we need to have an empty screen
-            mWorkspace.addExtraEmptyScreen();
+            mWorkspace.addExtraEmptyScreens();
         }
         bindAddScreens(orderedScreenIds);
 
@@ -2196,17 +2198,7 @@
             // Some empty pages might have been removed while the phone was in a single panel
             // mode, so we want to add those empty pages back.
             IntSet screenIds = IntSet.wrap(orderedScreenIds);
-            for (int i = 0; i < orderedScreenIds.size(); i++) {
-                int screenId = orderedScreenIds.get(i);
-                // Don't add the page pair if the page is the last one and if the pair is on the
-                // right, because that would cause a bug when adding new pages.
-                // TODO: (b/196376162) remove this when the new screen id logic is fixed for two
-                //  panel in Workspace::commitExtraEmptyScreen
-                if (i == orderedScreenIds.size() - 1 && screenId % 2 == 0) {
-                    continue;
-                }
-                screenIds.add(mWorkspace.getPagePair(screenId));
-            }
+            orderedScreenIds.forEach(screenId -> screenIds.add(mWorkspace.getPagePair(screenId)));
             orderedScreenIds = screenIds.getArray();
         }
 
@@ -2237,6 +2229,9 @@
             ArrayList<ItemInfo> addAnimated) {
         // Add the new screens
         if (newScreens != null) {
+            // newScreens can contain an empty right panel that is already bound, but not known
+            // by BgDataModel.
+            newScreens.removeAllValues(mWorkspace.mScreenOrder);
             bindAddScreens(newScreens);
         }
 
diff --git a/src/com/android/launcher3/LauncherAppState.java b/src/com/android/launcher3/LauncherAppState.java
index 86217d7..10023b4 100644
--- a/src/com/android/launcher3/LauncherAppState.java
+++ b/src/com/android/launcher3/LauncherAppState.java
@@ -138,10 +138,11 @@
         mContext = context;
 
         mInvariantDeviceProfile = InvariantDeviceProfile.INSTANCE.get(context);
-        mIconProvider =  new IconProvider(context, Themes.isThemedIconEnabled(context));
+        mIconProvider = new IconProvider(context, Themes.isThemedIconEnabled(context));
         mIconCache = new IconCache(mContext, mInvariantDeviceProfile,
                 iconCacheFileName, mIconProvider);
-        mModel = new LauncherModel(context, this, mIconCache, new AppFilter(mContext));
+        mModel = new LauncherModel(context, this, mIconCache, new AppFilter(mContext),
+                iconCacheFileName != null);
         mOnTerminateCallback.add(mIconCache::close);
     }
 
diff --git a/src/com/android/launcher3/LauncherModel.java b/src/com/android/launcher3/LauncherModel.java
index 9ebec0a..f38f662 100644
--- a/src/com/android/launcher3/LauncherModel.java
+++ b/src/com/android/launcher3/LauncherModel.java
@@ -126,10 +126,12 @@
         }
     };
 
-    LauncherModel(Context context, LauncherAppState app, IconCache iconCache, AppFilter appFilter) {
+    LauncherModel(Context context, LauncherAppState app, IconCache iconCache, AppFilter appFilter,
+            boolean isPrimaryInstance) {
         mApp = app;
         mBgAllAppsList = new AllAppsList(iconCache, appFilter);
-        mModelDelegate = ModelDelegate.newInstance(context, app, mBgAllAppsList, mBgDataModel);
+        mModelDelegate = ModelDelegate.newInstance(context, app, mBgAllAppsList, mBgDataModel,
+                isPrimaryInstance);
     }
 
     public ModelDelegate getModelDelegate() {
diff --git a/src/com/android/launcher3/LauncherProvider.java b/src/com/android/launcher3/LauncherProvider.java
index 49f20c6..df09f29 100644
--- a/src/com/android/launcher3/LauncherProvider.java
+++ b/src/com/android/launcher3/LauncherProvider.java
@@ -97,7 +97,7 @@
      * Represents the schema of the database. Changes in scheme need not be backwards compatible.
      * When increasing the scheme version, ensure that downgrade_schema.json is updated
      */
-    public static final int SCHEMA_VERSION = 29;
+    public static final int SCHEMA_VERSION = 30;
 
     public static final String AUTHORITY = BuildConfig.APPLICATION_ID + ".settings";
     public static final String KEY_LAYOUT_PROVIDER_AUTHORITY = "KEY_LAYOUT_PROVIDER_AUTHORITY";
@@ -864,6 +864,11 @@
                     }
                 }
                 case 29: {
+                    // Remove widget panel related leftover workspace items
+                    db.delete(Favorites.TABLE_NAME, Utilities.createDbSelectionQuery(
+                            Favorites.SCREEN, IntArray.wrap(-777, -778)), null);
+                }
+                case 30: {
                     // DB Upgraded successfully
                     return;
                 }
diff --git a/src/com/android/launcher3/PagedView.java b/src/com/android/launcher3/PagedView.java
index 2f9b5af..108091c 100644
--- a/src/com/android/launcher3/PagedView.java
+++ b/src/com/android/launcher3/PagedView.java
@@ -108,6 +108,8 @@
     // relative scroll position unchanged in updateCurrentPageScroll. Cleared when snapping to a
     // page.
     protected int mCurrentPageScrollDiff;
+    // The current page the PagedView is scrolling over on it's way to the destination page.
+    protected int mCurrentScrollOverPage;
 
     @ViewDebug.ExportedProperty(category = "launcher")
     protected int mNextPage = INVALID_PAGE;
@@ -180,6 +182,7 @@
 
         mScroller = new OverScroller(context, SCROLL);
         mCurrentPage = 0;
+        mCurrentScrollOverPage = 0;
 
         final ViewConfiguration configuration = ViewConfiguration.get(context);
         mTouchSlop = configuration.getScaledTouchSlop();
@@ -437,6 +440,7 @@
         }
         int prevPage = overridePrevPage != INVALID_PAGE ? overridePrevPage : mCurrentPage;
         mCurrentPage = validateNewPage(currentPage);
+        mCurrentScrollOverPage = mCurrentPage;
         updateCurrentPageScroll();
         notifyPageSwitchListener(prevPage);
         invalidate();
@@ -557,9 +561,11 @@
                 if (newPos < mMinScroll && oldPos >= mMinScroll) {
                     mEdgeGlowLeft.onAbsorb((int) mScroller.getCurrVelocity());
                     mScroller.abortAnimation();
+                    onEdgeAbsorbingScroll();
                 } else if (newPos > mMaxScroll && oldPos <= mMaxScroll) {
                     mEdgeGlowRight.onAbsorb((int) mScroller.getCurrVelocity());
                     mScroller.abortAnimation();
+                    onEdgeAbsorbingScroll();
                 }
             }
 
@@ -577,6 +583,7 @@
             sendScrollAccessibilityEvent();
             int prevPage = mCurrentPage;
             mCurrentPage = validateNewPage(mNextPage);
+            mCurrentScrollOverPage = mCurrentPage;
             mNextPage = INVALID_PAGE;
             notifyPageSwitchListener(prevPage);
 
@@ -766,7 +773,8 @@
                 childStart += primaryDimension + getChildGap();
 
                 // This makes sure that the space is added after the page, not after each panel
-                if (i % panelCount == panelCount - 1) {
+                int lastPanel = mIsRtl ? 0 : panelCount - 1;
+                if (i % panelCount == lastPanel) {
                     childStart += mPageSpacing;
                 }
             }
@@ -837,6 +845,7 @@
     public void onViewRemoved(View child) {
         super.onViewRemoved(child);
         mCurrentPage = validateNewPage(mCurrentPage);
+        mCurrentScrollOverPage = mCurrentPage;
         dispatchPageCountChanged();
     }
 
@@ -1408,6 +1417,20 @@
 
     protected void onNotSnappingToPageInFreeScroll() { }
 
+    /**
+     * Called when the view edges absorb part of the scroll. Subclasses can override this
+     * to provide custom behavior during animation.
+     */
+    protected void onEdgeAbsorbingScroll() {
+    }
+
+    /**
+     * Called when the current page closest to the center of the screen changes as part of the
+     * scroll. Subclasses can override this to provide custom behavior during scroll.
+     */
+    protected void onScrollOverPageChanged() {
+    }
+
     protected boolean shouldFlingForVelocity(int velocity) {
         float threshold = mAllowEasyFling ? mEasyFlingThresholdVelocity : mFlingThresholdVelocity;
         return Math.abs(velocity) > threshold;
@@ -1553,7 +1576,7 @@
         return getDisplacementFromScreenCenter(childIndex, screenCenter);
     }
 
-    private int getScreenCenter(int primaryScroll) {
+    protected int getScreenCenter(int primaryScroll) {
         float primaryScale = mOrientationHandler.getPrimaryScale(this);
         float primaryPivot =  mOrientationHandler.getPrimaryValue(getPivotX(), getPivotY());
         int pageOrientationSize = mOrientationHandler.getMeasuredSize(this);
@@ -1692,6 +1715,15 @@
     }
 
     @Override
+    protected void onScrollChanged(int l, int t, int oldl, int oldt) {
+        int newDestinationPage = getDestinationPage();
+        if (newDestinationPage >= 0 && newDestinationPage != mCurrentScrollOverPage) {
+            mCurrentScrollOverPage = newDestinationPage;
+            onScrollOverPageChanged();
+        }
+    }
+
+    @Override
     public CharSequence getAccessibilityClassName() {
         // Some accessibility services have special logic for ScrollView. Since we provide same
         // accessibility info as ScrollView, inform the service to handle use the same way.
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index b197e1c..54b2c96 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -125,6 +125,7 @@
 import java.util.Collections;
 import java.util.Iterator;
 import java.util.List;
+import java.util.function.Consumer;
 import java.util.function.Predicate;
 import java.util.stream.Collectors;
 
@@ -337,15 +338,17 @@
         int paddingBottom = grid.cellLayoutBottomPaddingPx;
 
         int panelCount = getPanelCount();
+        int rightPanelModulus = mIsRtl ? 0 : panelCount - 1;
+        int leftPanelModulus = mIsRtl ? panelCount - 1 : 0;
         int numberOfScreens = mScreenOrder.size();
         for (int i = 0; i < numberOfScreens; i++) {
             int paddingLeft = paddingLeftRight;
             int paddingRight = paddingLeftRight;
             if (panelCount > 1) {
-                if (i % panelCount == 0) { // left side panel
+                if (i % panelCount == leftPanelModulus) {
                     paddingLeft = paddingLeftRight;
                     paddingRight = 0;
-                } else if (i % panelCount == panelCount - 1) { // right side panel
+                } else if (i % panelCount == rightPanelModulus) {
                     paddingLeft = 0;
                     paddingRight = paddingLeftRight;
                 } else { // middle panel
@@ -644,18 +647,36 @@
         boolean childOnFinalScreen = false;
 
         if (mDragSourceInternal != null) {
+            int dragSourceChildCount = mDragSourceInternal.getChildCount();
+
+            // If the icon was dragged from Hotseat, there is no page pair
+            if (isTwoPanelEnabled() && !(mDragSourceInternal.getParent() instanceof Hotseat)) {
+                int pagePairScreenId = getPagePair(dragObject.dragInfo.screenId);
+                CellLayout pagePair = mWorkspaceScreens.get(pagePairScreenId);
+                if (pagePair == null) {
+                    // TODO: after http://b/198820019 is fixed, remove this
+                    throw new IllegalStateException("Page pair is null, "
+                            + "dragScreenId: " + dragObject.dragInfo.screenId
+                            + ", pagePairScreenId: " + pagePairScreenId
+                            + ", mScreenOrder: " + mScreenOrder.toConcatString()
+                    );
+                }
+                dragSourceChildCount += pagePair.getShortcutsAndWidgets().getChildCount();
+            }
+
             // When the drag view content is a LauncherAppWidgetHostView, we should increment the
             // drag source child count by 1 because the widget in drag has been detached from its
             // original parent, ShortcutAndWidgetContainer, and reattached to the DragView.
-            int dragSourceChildCount =
-                    dragObject.dragView.getContentView() instanceof LauncherAppWidgetHostView
-                            ? mDragSourceInternal.getChildCount() + 1
-                            : mDragSourceInternal.getChildCount();
+            if (dragObject.dragView.getContentView() instanceof LauncherAppWidgetHostView) {
+                dragSourceChildCount++;
+            }
+
             if (dragSourceChildCount == 1) {
                 lastChildOnScreen = true;
             }
             CellLayout cl = (CellLayout) mDragSourceInternal.getParent();
-            if (indexOfChild(cl) == getChildCount() - 1) {
+            if (getLeftmostVisiblePageForIndex(indexOfChild(cl))
+                    == getLeftmostVisiblePageForIndex(getPageCount() - 1)) {
                 childOnFinalScreen = true;
             }
         }
@@ -664,40 +685,83 @@
         if (lastChildOnScreen && childOnFinalScreen) {
             return;
         }
-        if (!mWorkspaceScreens.containsKey(EXTRA_EMPTY_SCREEN_ID)) {
-            insertNewWorkspaceScreen(EXTRA_EMPTY_SCREEN_ID);
+
+        forEachExtraEmptyPageId(extraEmptyPageId -> {
+            if (!mWorkspaceScreens.containsKey(extraEmptyPageId)) {
+                insertNewWorkspaceScreen(extraEmptyPageId);
+            }
+        });
+    }
+
+    /**
+     * Inserts extra empty pages to the end of the existing workspaces.
+     * Usually we add one extra empty screen, but when two panel home is enabled we add
+     * two extra screens.
+     **/
+    public void addExtraEmptyScreens() {
+        forEachExtraEmptyPageId(extraEmptyPageId -> {
+            if (!mWorkspaceScreens.containsKey(extraEmptyPageId)) {
+                insertNewWorkspaceScreen(extraEmptyPageId);
+            }
+        });
+    }
+
+    /**
+     * Calls the consumer with all the necessary extra empty page IDs.
+     * On a normal one panel Workspace that means only EXTRA_EMPTY_SCREEN_ID,
+     * but in a two panel scenario this also includes EXTRA_EMPTY_SCREEN_SECOND_ID.
+     */
+    private void forEachExtraEmptyPageId(Consumer<Integer> callback) {
+        callback.accept(EXTRA_EMPTY_SCREEN_ID);
+        if (isTwoPanelEnabled()) {
+            callback.accept(EXTRA_EMPTY_SCREEN_SECOND_ID);
         }
     }
 
-    public boolean addExtraEmptyScreen() {
-        if (!mWorkspaceScreens.containsKey(EXTRA_EMPTY_SCREEN_ID)) {
-            insertNewWorkspaceScreen(EXTRA_EMPTY_SCREEN_ID);
-            return true;
-        }
-        return false;
-    }
-
+    /**
+     * If two panel home is enabled we convert the last two screens that are visible at the same
+     * time. In other cases we only convert the last page.
+     */
     private void convertFinalScreenToEmptyScreenIfNecessary() {
         if (mLauncher.isWorkspaceLoading()) {
             // Invalid and dangerous operation if workspace is loading
             return;
         }
 
-        if (hasExtraEmptyScreen() || mScreenOrder.size() == 0) return;
-        int finalScreenId = mScreenOrder.get(mScreenOrder.size() - 1);
+        int panelCount = getPanelCount();
+        if (hasExtraEmptyScreens() || mScreenOrder.size() < panelCount) {
+            return;
+        }
 
-        CellLayout finalScreen = mWorkspaceScreens.get(finalScreenId);
+        SparseArray<CellLayout> finalScreens = new SparseArray<>();
 
-        // If the final screen is empty, convert it to the extra empty screen
-        if (finalScreen != null
-                && finalScreen.getShortcutsAndWidgets().getChildCount() == 0
-                && !finalScreen.isDropPending()) {
-            mWorkspaceScreens.remove(finalScreenId);
-            mScreenOrder.removeValue(finalScreenId);
+        int pageCount = mScreenOrder.size();
+        // First we add the last page(s) to the finalScreens collection. The number of final pages
+        // depends on the panel count.
+        for (int pageIndex = pageCount - panelCount; pageIndex < pageCount; pageIndex++) {
+            int screenId = mScreenOrder.get(pageIndex);
+            CellLayout screen = mWorkspaceScreens.get(screenId);
+            if (screen == null || screen.getShortcutsAndWidgets().getChildCount() != 0
+                    || screen.isDropPending()) {
+                // Final screen doesn't exist or it isn't empty or there's a pending drop
+                return;
+            }
+            finalScreens.append(screenId, screen);
+        }
 
-            // if this is the last screen, convert it to the empty screen
-            mWorkspaceScreens.put(EXTRA_EMPTY_SCREEN_ID, finalScreen);
-            mScreenOrder.add(EXTRA_EMPTY_SCREEN_ID);
+        // Then we remove the final screens from the collections (but not from the view hierarchy)
+        // and we store them as extra empty screens.
+        for (int i = 0; i < finalScreens.size(); i++) {
+            int screenId = finalScreens.keyAt(i);
+            CellLayout screen = finalScreens.get(screenId);
+
+            mWorkspaceScreens.remove(screenId);
+            mScreenOrder.removeValue(screenId);
+
+            int newScreenId = mWorkspaceScreens.containsKey(EXTRA_EMPTY_SCREEN_ID)
+                    ? EXTRA_EMPTY_SCREEN_SECOND_ID : EXTRA_EMPTY_SCREEN_ID;
+            mWorkspaceScreens.put(newScreenId, screen);
+            mScreenOrder.add(newScreenId);
         }
     }
 
@@ -705,6 +769,23 @@
         removeExtraEmptyScreenDelayed(0, stripEmptyScreens, null);
     }
 
+    /**
+     * The purpose of this method is to remove empty pages from Workspace.
+     * Empty page(s) from the end of mWorkspaceScreens will always be removed. The pages with
+     * ID = Workspace.EXTRA_EMPTY_SCREEN_IDS will be removed if there are other non-empty pages.
+     * If there are no more non-empty pages left, extra empty page(s) will either stay or get added.
+     *
+     * If stripEmptyScreens is true, all empty pages (not just the ones on the end) will be removed
+     * from the Workspace, and if there are no more pages left then extra empty page(s) will be
+     * added.
+     *
+     * The number of extra empty pages is equal to what getPanelCount() returns.
+     *
+     * After the method returns the possible pages are:
+     * stripEmptyScreens = true : [non-empty pages, extra empty page(s) alone]
+     * stripEmptyScreens = false : [non-empty pages, empty pages (not in the end),
+     *                             extra empty page(s) alone]
+     */
     public void removeExtraEmptyScreenDelayed(
             int delay, boolean stripEmptyScreens, Runnable onComplete) {
         if (mLauncher.isWorkspaceLoading()) {
@@ -718,18 +799,26 @@
             return;
         }
 
+        // First we convert the last page to an extra page if the last page is empty
+        // and we don't already have an extra page.
         convertFinalScreenToEmptyScreenIfNecessary();
-        if (hasExtraEmptyScreen()) {
-            removeView(mWorkspaceScreens.get(EXTRA_EMPTY_SCREEN_ID));
+        // Then we remove the extra page(s) if they are not the only pages left in Workspace.
+        if (hasExtraEmptyScreens()) {
+            forEachExtraEmptyPageId(extraEmptyPageId -> {
+                removeView(mWorkspaceScreens.get(extraEmptyPageId));
+                mWorkspaceScreens.remove(extraEmptyPageId);
+                mScreenOrder.removeValue(extraEmptyPageId);
+            });
+
             setCurrentPage(getNextPage());
-            mWorkspaceScreens.remove(EXTRA_EMPTY_SCREEN_ID);
-            mScreenOrder.removeValue(EXTRA_EMPTY_SCREEN_ID);
 
             // Update the page indicator to reflect the removed page.
             showPageIndicatorAtCurrentScroll();
         }
 
         if (stripEmptyScreens) {
+            // This will remove all empty pages from the Workspace. If there are no more pages left,
+            // it will add extra page(s) so that users can put items on at least one page.
             stripEmptyScreens();
         }
 
@@ -738,27 +827,51 @@
         }
     }
 
-    public boolean hasExtraEmptyScreen() {
-        return mWorkspaceScreens.containsKey(EXTRA_EMPTY_SCREEN_ID) && getChildCount() > 1;
+    public boolean hasExtraEmptyScreens() {
+        return mWorkspaceScreens.containsKey(EXTRA_EMPTY_SCREEN_ID)
+                && getChildCount() > getPanelCount()
+                && (!isTwoPanelEnabled()
+                || mWorkspaceScreens.containsKey(EXTRA_EMPTY_SCREEN_SECOND_ID));
     }
 
-    public int commitExtraEmptyScreen() {
+    /**
+     *  Commits the extra empty pages then returns the screen ids of those new screens.
+     *  Usually there's only one extra empty screen, but when two panel home is enabled we commit
+     *  two extra screens.
+     *
+     *  Returns an empty IntSet in case we cannot commit any new screens.
+     */
+    public IntSet commitExtraEmptyScreens() {
         if (mLauncher.isWorkspaceLoading()) {
             // Invalid and dangerous operation if workspace is loading
-            return -1;
+            return new IntSet();
         }
 
-        CellLayout cl = mWorkspaceScreens.get(EXTRA_EMPTY_SCREEN_ID);
-        mWorkspaceScreens.remove(EXTRA_EMPTY_SCREEN_ID);
-        mScreenOrder.removeValue(EXTRA_EMPTY_SCREEN_ID);
+        IntSet extraEmptyPageIds = new IntSet();
+        forEachExtraEmptyPageId(extraEmptyPageId ->
+                extraEmptyPageIds.add(commitExtraEmptyScreen(extraEmptyPageId)));
 
-        int newId = LauncherSettings.Settings.call(getContext().getContentResolver(),
-                LauncherSettings.Settings.METHOD_NEW_SCREEN_ID)
-                .getInt(LauncherSettings.Settings.EXTRA_VALUE);
-        mWorkspaceScreens.put(newId, cl);
-        mScreenOrder.add(newId);
+        return extraEmptyPageIds;
+    }
 
-        return newId;
+    private int commitExtraEmptyScreen(int emptyScreenId) {
+        CellLayout cl = mWorkspaceScreens.get(emptyScreenId);
+        mWorkspaceScreens.remove(emptyScreenId);
+        mScreenOrder.removeValue(emptyScreenId);
+
+        int newScreenId = -1;
+        // 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);
+        }
+
+        mWorkspaceScreens.put(newScreenId, cl);
+        mScreenOrder.add(newScreenId);
+
+        return newScreenId;
     }
 
     @Override
@@ -805,12 +918,8 @@
 
     /**
      * Returns the page that is shown together with the given page when two panel is enabled.
-     * @throws IllegalStateException if called while two panel home isn't enabled.
      */
     public int getPagePair(int page) {
-        if (!isTwoPanelEnabled()) {
-            throw new IllegalStateException("Two panel home isn't enabled.");
-        }
         if (page % 2 == 0) {
             return page + 1;
         } else {
@@ -859,9 +968,10 @@
             }
         }
 
-        // We enforce at least one page to add new items to. In the case that we remove the last
-        // such screen, we convert the last screen to the empty screen
-        int minScreens = 1;
+        // We enforce at least one page (two pages on two panel home) to add new items to.
+        // In the case that we remove the last such screen(s), we convert the last screen(s)
+        // to the empty screen(s)
+        int minScreens = getPanelCount();
 
         int pageShift = 0;
         for (int i = 0; i < removeScreens.size(); i++) {
@@ -871,14 +981,21 @@
             mScreenOrder.removeValue(id);
 
             if (getChildCount() > minScreens) {
+                // If this isn't the last page, just remove it
                 if (indexOfChild(cl) < currentPage) {
                     pageShift++;
                 }
                 removeView(cl);
             } else {
-                // if this is the last screen, convert it to the empty screen
-                mWorkspaceScreens.put(EXTRA_EMPTY_SCREEN_ID, cl);
-                mScreenOrder.add(EXTRA_EMPTY_SCREEN_ID);
+                // The last page(s) should be converted into extra empty page(s)
+                int extraScreenId = isTwoPanelEnabled() && id % 2 == 1
+                        // This is the right panel in a two panel scenario
+                        ? EXTRA_EMPTY_SCREEN_SECOND_ID
+                        // This is either the last screen in a one panel scenario, or the left panel
+                        // in a two panel scenario when there are only two empty pages left
+                        : EXTRA_EMPTY_SCREEN_ID;
+                mWorkspaceScreens.put(extraScreenId, cl);
+                mScreenOrder.add(extraScreenId);
             }
         }
 
@@ -1656,8 +1773,8 @@
         }
 
         int screenId = getIdForScreen(dropTargetLayout);
-        if (screenId == EXTRA_EMPTY_SCREEN_ID) {
-            commitExtraEmptyScreen();
+        if (Workspace.EXTRA_EMPTY_SCREEN_IDS.contains(screenId)) {
+            commitExtraEmptyScreens();
         }
 
         return true;
@@ -2333,21 +2450,32 @@
         }
 
         int nextPage = getNextPage();
-        if (layout == null && !isPageInTransition()) {
-            layout = verifyInsidePage(nextPage + (mIsRtl ? 1 : -1), Math.min(centerX, d.x), d.y);
+        IntSet pageIndexesToVerify = IntSet.wrap(nextPage - 1, nextPage + 1);
+        if (isTwoPanelEnabled()) {
+            // If two panel is enabled, users can also drag items to nextPage + 2
+            pageIndexesToVerify.add(nextPage + 2);
         }
 
-        if (layout == null && !isPageInTransition()) {
-            layout = verifyInsidePage(nextPage + (mIsRtl ? -1 : 1), Math.max(centerX, d.x), d.y);
+        int touchX = (int) Math.min(centerX, d.x);
+        int touchY = d.y;
+
+        // Go through the pages and check if the dragged item is inside one of them
+        for (int pageIndex : pageIndexesToVerify) {
+            if (layout != null || isPageInTransition()) {
+                break;
+            }
+            layout = verifyInsidePage(pageIndex, touchX, touchY);
         }
 
-        // If two panel is enabled, users can also drag items to currentPage + 2
-        if (isTwoPanelEnabled() && layout == null && !isPageInTransition()) {
-            layout = verifyInsidePage(nextPage + (mIsRtl ? -2 : 2), Math.max(centerX, d.x), d.y);
-        }
-
-        // Always pick the current page.
+        // If the dragged item isn't located in one of the pages above, the icon will stay on the
+        // current screen. For two panel pick the closest panel on the current screen,
+        // on one panel just choose the current page.
         if (layout == null && nextPage >= 0 && nextPage < getPageCount()) {
+            if (isTwoPanelEnabled()) {
+                nextPage = getScreenCenter(getScrollX()) > touchX
+                        ? (mIsRtl ? nextPage + 1 : nextPage) // left side
+                        : (mIsRtl ? nextPage : nextPage + 1); // right side
+            }
             layout = (CellLayout) getChildAt(nextPage);
         }
         if (layout != mDragTargetLayout) {
diff --git a/src/com/android/launcher3/WorkspaceLayoutManager.java b/src/com/android/launcher3/WorkspaceLayoutManager.java
index 44a5536..7e6e1b6 100644
--- a/src/com/android/launcher3/WorkspaceLayoutManager.java
+++ b/src/com/android/launcher3/WorkspaceLayoutManager.java
@@ -23,6 +23,7 @@
 import com.android.launcher3.folder.FolderIcon;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.touch.ItemLongClickListener;
+import com.android.launcher3.util.IntSet;
 
 public interface WorkspaceLayoutManager {
 
@@ -30,6 +31,12 @@
 
     // The screen id used for the empty screen always present at the end.
     int EXTRA_EMPTY_SCREEN_ID = -201;
+    // The screen id used for the second empty screen always present at the end for two panel home.
+    int EXTRA_EMPTY_SCREEN_SECOND_ID = -200;
+    // The screen ids used for the empty screens at the end of the workspaces.
+    IntSet EXTRA_EMPTY_SCREEN_IDS =
+            IntSet.wrap(EXTRA_EMPTY_SCREEN_ID, EXTRA_EMPTY_SCREEN_SECOND_ID);
+
     // The is the first screen. It is always present, even if its empty.
     int FIRST_SCREEN_ID = 0;
     // This is the second page. On two panel home it is always present, even if its empty.
@@ -81,9 +88,9 @@
                 return;
             }
         }
-        if (screenId == EXTRA_EMPTY_SCREEN_ID) {
+        if (EXTRA_EMPTY_SCREEN_IDS.contains(screenId)) {
             // This should never happen
-            throw new RuntimeException("Screen id should not be EXTRA_EMPTY_SCREEN_ID");
+            throw new RuntimeException("Screen id should not be extra empty screen: " + screenId);
         }
 
         final CellLayout layout;
diff --git a/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java b/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java
index 9faac5b..2032b26 100644
--- a/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java
+++ b/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java
@@ -45,6 +45,7 @@
 import com.android.launcher3.popup.PopupContainerWithArrow;
 import com.android.launcher3.touch.ItemLongClickListener;
 import com.android.launcher3.util.IntArray;
+import com.android.launcher3.util.IntSet;
 import com.android.launcher3.util.ShortcutUtil;
 import com.android.launcher3.util.Thunk;
 import com.android.launcher3.views.OptionsPopupView;
@@ -221,6 +222,9 @@
         } else if (action == ADD_TO_WORKSPACE) {
             final int[] coordinates = new int[2];
             final int screenId = findSpaceOnWorkspace(item, coordinates);
+            if (screenId == -1) {
+                return false;
+            }
             mLauncher.getStateManager().goToState(NORMAL, true, forSuccessCallback(() -> {
                 if (item instanceof AppInfo) {
                     WorkspaceItemInfo info = ((AppInfo) item).makeWorkspaceItem();
@@ -250,6 +254,9 @@
 
             final int[] coordinates = new int[2];
             final int screenId = findSpaceOnWorkspace(item, coordinates);
+            if (screenId == -1) {
+                return false;
+            }
             mLauncher.getModelWriter().moveItemInDatabase(info,
                     Favorites.CONTAINER_DESKTOP,
                     screenId, coordinates[0], coordinates[1]);
@@ -489,8 +496,14 @@
             return screenId;
         }
 
-        workspace.addExtraEmptyScreen();
-        screenId = workspace.commitExtraEmptyScreen();
+        workspace.addExtraEmptyScreens();
+        IntSet emptyScreenIds = workspace.commitExtraEmptyScreens();
+        if (emptyScreenIds.isEmpty()) {
+            // Couldn't create extra empty screens for some reason (e.g. Workspace is loading)
+            return -1;
+        }
+
+        screenId = emptyScreenIds.getArray().get(0);
         layout = workspace.getScreenWithId(screenId);
         found = layout.findCellForSpan(outCoordinates, info.spanX, info.spanY);
 
diff --git a/src/com/android/launcher3/accessibility/ShortcutMenuAccessibilityDelegate.java b/src/com/android/launcher3/accessibility/ShortcutMenuAccessibilityDelegate.java
index f96afa8..bf5a24b 100644
--- a/src/com/android/launcher3/accessibility/ShortcutMenuAccessibilityDelegate.java
+++ b/src/com/android/launcher3/accessibility/ShortcutMenuAccessibilityDelegate.java
@@ -68,6 +68,9 @@
             final WorkspaceItemInfo info = ((DeepShortcutView) host.getParent()).getFinalInfo();
             final int[] coordinates = new int[2];
             final int screenId = findSpaceOnWorkspace(item, coordinates);
+            if (screenId == -1) {
+                return false;
+            }
             mLauncher.getStateManager().goToState(NORMAL, true, forSuccessCallback(() -> {
                 mLauncher.getModelWriter().addItemToDatabase(info,
                         LauncherSettings.Favorites.CONTAINER_DESKTOP,
diff --git a/src/com/android/launcher3/allapps/AllAppsContainerView.java b/src/com/android/launcher3/allapps/AllAppsContainerView.java
index 57a3e1c..e779ee8 100644
--- a/src/com/android/launcher3/allapps/AllAppsContainerView.java
+++ b/src/com/android/launcher3/allapps/AllAppsContainerView.java
@@ -120,6 +120,7 @@
 
     protected boolean mUsingTabs;
     private boolean mIsSearching;
+    private boolean mHasWorkApps;
 
     protected RecyclerViewFastScroller mTouchHandler;
     protected final Point mFastScrollerOffset = new Point();
@@ -191,7 +192,7 @@
             int currentPage = state.getInt(BUNDLE_KEY_CURRENT_PAGE, 0);
             if (currentPage != 0 && mViewPager != null) {
                 mViewPager.setCurrentPage(currentPage);
-                rebindAdapters(true);
+                rebindAdapters();
             } else {
                 reset(true);
             }
@@ -245,9 +246,10 @@
                 break;
             }
         }
+        mHasWorkApps = hasWorkApps;
         if (!mAH[AdapterHolder.MAIN].appsList.hasFilter()) {
-            rebindAdapters(hasWorkApps);
-            if (hasWorkApps) {
+            rebindAdapters();
+            if (mHasWorkApps) {
                 resetWorkProfile();
             }
         }
@@ -324,6 +326,8 @@
                     mViewPager.getNextPage() == 0
                             ? R.string.all_apps_button_personal_label
                             : R.string.all_apps_button_work_label;
+        } else if (mIsSearching) {
+            descriptionRes = R.string.all_apps_search_results;
         } else {
             descriptionRes = R.string.all_apps_button_label;
         }
@@ -372,7 +376,7 @@
         });
 
         mHeader = findViewById(R.id.all_apps_header);
-        rebindAdapters(mUsingTabs, true /* force */);
+        rebindAdapters(true /* force */);
 
         mSearchContainer = findViewById(R.id.search_container_all_apps);
         mSearchUiManager = (SearchUiManager) mSearchContainer;
@@ -441,11 +445,12 @@
         }
     }
 
-    private void rebindAdapters(boolean showTabs) {
-        rebindAdapters(showTabs, false /* force */);
+    private void rebindAdapters() {
+        rebindAdapters(false /* force */);
     }
 
-    protected void rebindAdapters(boolean showTabs, boolean force) {
+    protected void rebindAdapters(boolean force) {
+        boolean showTabs = mHasWorkApps && !mIsSearching;
         if (showTabs == mUsingTabs && !force) {
             return;
         }
@@ -628,17 +633,13 @@
             mAH[i].adapter.setLastSearchQuery(query);
         }
         mIsSearching = true;
-        if (mUsingTabs) {
-            rebindAdapters(false); // hide tabs
-        }
+        rebindAdapters();
         mHeader.setCollapsed(true);
     }
 
     public void onClearSearchResult() {
-        if (mUsingTabs) {
-            rebindAdapters(true); // show tabs
-        }
         mIsSearching = false;
+        rebindAdapters();
         getActiveRecyclerView().scrollToTop();
     }
 
diff --git a/src/com/android/launcher3/allapps/AllAppsTransitionController.java b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
index a0551f0..a6d8552 100644
--- a/src/com/android/launcher3/allapps/AllAppsTransitionController.java
+++ b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
@@ -17,6 +17,7 @@
 
 import static com.android.launcher3.LauncherState.ALL_APPS;
 import static com.android.launcher3.LauncherState.ALL_APPS_CONTENT;
+import static com.android.launcher3.LauncherState.NORMAL;
 import static com.android.launcher3.anim.Interpolators.DEACCEL_1_7;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
 import static com.android.launcher3.anim.PropertySetter.NO_ANIM_PROPERTY_SETTER;
@@ -28,6 +29,7 @@
 import android.animation.Animator.AnimatorListener;
 import android.animation.ObjectAnimator;
 import android.util.FloatProperty;
+import android.view.HapticFeedbackConstants;
 import android.view.View;
 import android.view.animation.Interpolator;
 
@@ -168,6 +170,11 @@
         builder.add(anim);
 
         setAlphas(toState, config, builder);
+
+        if (ALL_APPS.equals(toState) && mLauncher.isInState(NORMAL)) {
+            mLauncher.getAppsView().performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY,
+                    HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING);
+        }
     }
 
     public Animator createSpringAnimation(float... progressValues) {
diff --git a/src/com/android/launcher3/allapps/LauncherAllAppsContainerView.java b/src/com/android/launcher3/allapps/LauncherAllAppsContainerView.java
index f64b7cb..b6dcec6 100644
--- a/src/com/android/launcher3/allapps/LauncherAllAppsContainerView.java
+++ b/src/com/android/launcher3/allapps/LauncherAllAppsContainerView.java
@@ -22,7 +22,6 @@
 
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherState;
-import com.android.launcher3.statemanager.StateManager.StateListener;
 
 /**
  * AllAppsContainerView with launcher specific callbacks
@@ -31,8 +30,6 @@
 
     private final Launcher mLauncher;
 
-    private StateListener<LauncherState> mWorkTabListener;
-
     public LauncherAllAppsContainerView(Context context) {
         this(context, null);
     }
@@ -75,14 +72,6 @@
     }
 
     @Override
-    public void setupHeader() {
-        super.setupHeader();
-        if (mWorkTabListener != null && !mUsingTabs) {
-            mLauncher.getStateManager().removeStateListener(mWorkTabListener);
-        }
-    }
-
-    @Override
     public void onActivePageChanged(int currentActivePage) {
         super.onActivePageChanged(currentActivePage);
     }
diff --git a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
index 43ac8f9..94fc708 100644
--- a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
+++ b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
@@ -324,7 +324,9 @@
     }
 
     private void inflateAndAddFolder(FolderInfo info) {
-        CellLayout screen = mWorkspaceScreens.get(info.screenId);
+        CellLayout screen = info.container == Favorites.CONTAINER_DESKTOP
+                ? mWorkspaceScreens.get(info.screenId)
+                : mHotseat;
         FolderIcon folderIcon = FolderIcon.inflateIcon(R.layout.folder_icon, this, screen,
                 info);
         addInScreenFromBind(folderIcon, info);
@@ -471,8 +473,8 @@
         // Add first page QSB
         if (FeatureFlags.QSB_ON_FIRST_SCREEN) {
             CellLayout firstScreen = mWorkspaceScreens.get(FIRST_SCREEN_ID);
-            View qsb = mHomeElementInflater.inflate(
-                    R.layout.search_container_workspace, firstScreen, false);
+            View qsb = mHomeElementInflater.inflate(R.layout.qsb_preview, firstScreen,
+                    false);
             CellLayout.LayoutParams lp =
                     new CellLayout.LayoutParams(0, 0, firstScreen.getCountX(), 1);
             lp.canReorder = false;
diff --git a/src/com/android/launcher3/model/DeviceGridState.java b/src/com/android/launcher3/model/DeviceGridState.java
index 761053d..e2df16d 100644
--- a/src/com/android/launcher3/model/DeviceGridState.java
+++ b/src/com/android/launcher3/model/DeviceGridState.java
@@ -25,10 +25,15 @@
 import android.content.SharedPreferences;
 import android.text.TextUtils;
 
+import androidx.annotation.IntDef;
+
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.logging.StatsLogManager.LauncherEvent;
+import com.android.launcher3.util.IntSet;
 
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
 import java.util.Locale;
 import java.util.Objects;
 
@@ -41,13 +46,23 @@
     public static final String KEY_HOTSEAT_COUNT = "migration_src_hotseat_count";
     public static final String KEY_DEVICE_TYPE = "migration_src_device_type";
 
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef({TYPE_PHONE, TYPE_MULTI_DISPLAY, TYPE_TABLET})
+    public @interface DeviceType{}
     public static final int TYPE_PHONE = 0;
     public static final int TYPE_MULTI_DISPLAY = 1;
     public static final int TYPE_TABLET = 2;
 
+    private static final IntSet COMPATIBLE_TYPES = IntSet.wrap(TYPE_PHONE, TYPE_MULTI_DISPLAY);
+
+    public static boolean deviceTypeCompatible(@DeviceType int typeA, @DeviceType int typeB) {
+        return typeA == typeB
+                || (COMPATIBLE_TYPES.contains(typeA) && COMPATIBLE_TYPES.contains(typeB));
+    }
+
     private final String mGridSizeString;
     private final int mNumHotseat;
-    private final int mDeviceType;
+    private final @DeviceType int mDeviceType;
 
     public DeviceGridState(InvariantDeviceProfile idp) {
         mGridSizeString = String.format(Locale.ENGLISH, "%d,%d", idp.numColumns, idp.numRows);
@@ -69,7 +84,7 @@
     /**
      * Returns the device type for the grid
      */
-    public int getDeviceType() {
+    public @DeviceType int getDeviceType() {
         return mDeviceType;
     }
 
@@ -109,7 +124,7 @@
         if (o == null || getClass() != o.getClass()) return false;
         DeviceGridState that = (DeviceGridState) o;
         return mNumHotseat == that.mNumHotseat
-                && mDeviceType == that.mDeviceType
+                && deviceTypeCompatible(mDeviceType, that.mDeviceType)
                 && Objects.equals(mGridSizeString, that.mGridSizeString);
     }
 }
diff --git a/src/com/android/launcher3/model/ModelDelegate.java b/src/com/android/launcher3/model/ModelDelegate.java
index 13ec1ec..765141a 100644
--- a/src/com/android/launcher3/model/ModelDelegate.java
+++ b/src/com/android/launcher3/model/ModelDelegate.java
@@ -40,19 +40,21 @@
      * Creates and initializes a new instance of the delegate
      */
     public static ModelDelegate newInstance(
-            Context context, LauncherAppState app, AllAppsList appsList, BgDataModel dataModel) {
+            Context context, LauncherAppState app, AllAppsList appsList, BgDataModel dataModel,
+            boolean isPrimaryInstance) {
         ModelDelegate delegate = Overrides.getObject(
                 ModelDelegate.class, context, R.string.model_delegate_class);
-
         delegate.mApp = app;
         delegate.mAppsList = appsList;
         delegate.mDataModel = dataModel;
+        delegate.mIsPrimaryInstance = isPrimaryInstance;
         return delegate;
     }
 
     protected LauncherAppState mApp;
     protected AllAppsList mAppsList;
     protected BgDataModel mDataModel;
+    protected boolean mIsPrimaryInstance;
 
     public ModelDelegate() { }
 
diff --git a/src/com/android/launcher3/model/data/ItemInfo.java b/src/com/android/launcher3/model/data/ItemInfo.java
index 7091d2b..4fdc412 100644
--- a/src/com/android/launcher3/model/data/ItemInfo.java
+++ b/src/com/android/launcher3/model/data/ItemInfo.java
@@ -232,9 +232,9 @@
      * Write the fields of this item to the DB
      */
     public void onAddToDatabase(ContentWriter writer) {
-        if (screenId == Workspace.EXTRA_EMPTY_SCREEN_ID) {
+        if (Workspace.EXTRA_EMPTY_SCREEN_IDS.contains(screenId)) {
             // We should never persist an item on the extra empty screen.
-            throw new RuntimeException("Screen id should not be EXTRA_EMPTY_SCREEN_ID");
+            throw new RuntimeException("Screen id should not be extra empty screen: " + screenId);
         }
 
         writeToValues(writer);
diff --git a/src/com/android/launcher3/pm/InstallSessionHelper.java b/src/com/android/launcher3/pm/InstallSessionHelper.java
index ab35bd6..4b86f65 100644
--- a/src/com/android/launcher3/pm/InstallSessionHelper.java
+++ b/src/com/android/launcher3/pm/InstallSessionHelper.java
@@ -17,7 +17,6 @@
 package com.android.launcher3.pm;
 
 import static com.android.launcher3.Utilities.getPrefs;
-import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
 
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
@@ -25,7 +24,6 @@
 import android.content.pm.PackageInstaller;
 import android.content.pm.PackageInstaller.SessionInfo;
 import android.content.pm.PackageManager;
-import android.os.Build;
 import android.os.Process;
 import android.os.UserHandle;
 import android.text.TextUtils;
@@ -238,24 +236,12 @@
     }
 
     public InstallSessionTracker registerInstallTracker(InstallSessionTracker.Callback callback) {
-        InstallSessionTracker tracker = new InstallSessionTracker(this, callback);
-
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
-            mInstaller.registerSessionCallback(tracker, MODEL_EXECUTOR.getHandler());
-        } else {
-            mLauncherApps.registerPackageInstallerSessionCallback(MODEL_EXECUTOR, tracker);
-        }
+        InstallSessionTracker tracker = new InstallSessionTracker(
+                this, callback, mInstaller, mLauncherApps);
+        tracker.register();
         return tracker;
     }
 
-    void unregister(InstallSessionTracker tracker) {
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
-            mInstaller.unregisterSessionCallback(tracker);
-        } else {
-            mLauncherApps.unregisterPackageInstallerSessionCallback(tracker);
-        }
-    }
-
     public static UserHandle getUserHandle(SessionInfo info) {
         return Utilities.ATLEAST_Q ? info.getUser() : Process.myUserHandle();
     }
diff --git a/src/com/android/launcher3/pm/InstallSessionTracker.java b/src/com/android/launcher3/pm/InstallSessionTracker.java
index b0b907a..e1b3c1a 100644
--- a/src/com/android/launcher3/pm/InstallSessionTracker.java
+++ b/src/com/android/launcher3/pm/InstallSessionTracker.java
@@ -18,9 +18,12 @@
 import static com.android.launcher3.pm.InstallSessionHelper.getUserHandle;
 import static com.android.launcher3.pm.PackageInstallInfo.STATUS_FAILED;
 import static com.android.launcher3.pm.PackageInstallInfo.STATUS_INSTALLED;
+import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
 
+import android.content.pm.LauncherApps;
 import android.content.pm.PackageInstaller;
 import android.content.pm.PackageInstaller.SessionInfo;
+import android.os.Build;
 import android.os.UserHandle;
 import android.util.SparseArray;
 
@@ -28,35 +31,53 @@
 
 import com.android.launcher3.util.PackageUserKey;
 
+import java.lang.ref.WeakReference;
+
 @WorkerThread
 public class InstallSessionTracker extends PackageInstaller.SessionCallback {
 
     // Lazily initialized
     private SparseArray<PackageUserKey> mActiveSessions = null;
 
-    private final InstallSessionHelper mInstallerCompat;
-    private final Callback mCallback;
+    private final WeakReference<InstallSessionHelper> mWeakHelper;
+    private final WeakReference<Callback> mWeakCallback;
+    private final PackageInstaller mInstaller;
+    private final LauncherApps mLauncherApps;
 
-    InstallSessionTracker(InstallSessionHelper installerCompat, Callback callback) {
-        mInstallerCompat = installerCompat;
-        mCallback = callback;
+
+    InstallSessionTracker(InstallSessionHelper installerCompat, Callback callback,
+            PackageInstaller installer, LauncherApps launcherApps) {
+        mWeakHelper = new WeakReference<>(installerCompat);
+        mWeakCallback = new WeakReference<>(callback);
+        mInstaller = installer;
+        mLauncherApps = launcherApps;
     }
 
     @Override
     public void onCreated(int sessionId) {
-        SessionInfo sessionInfo = pushSessionDisplayToLauncher(sessionId);
+        InstallSessionHelper helper = mWeakHelper.get();
+        Callback callback = mWeakCallback.get();
+        if (callback == null || helper == null) {
+            return;
+        }
+        SessionInfo sessionInfo = pushSessionDisplayToLauncher(sessionId, helper, callback);
         if (sessionInfo != null) {
-            mCallback.onInstallSessionCreated(PackageInstallInfo.fromInstallingState(sessionInfo));
+            callback.onInstallSessionCreated(PackageInstallInfo.fromInstallingState(sessionInfo));
         }
 
-        mInstallerCompat.tryQueuePromiseAppIcon(sessionInfo);
+        helper.tryQueuePromiseAppIcon(sessionInfo);
     }
 
     @Override
     public void onFinished(int sessionId, boolean success) {
+        InstallSessionHelper helper = mWeakHelper.get();
+        Callback callback = mWeakCallback.get();
+        if (callback == null || helper == null) {
+            return;
+        }
         // For a finished session, we can't get the session info. So use the
         // packageName from our local cache.
-        SparseArray<PackageUserKey> activeSessions = getActiveSessionMap();
+        SparseArray<PackageUserKey> activeSessions = getActiveSessionMap(helper);
         PackageUserKey key = activeSessions.get(sessionId);
         activeSessions.remove(sessionId);
 
@@ -65,21 +86,26 @@
             PackageInstallInfo info = PackageInstallInfo.fromState(
                     success ? STATUS_INSTALLED : STATUS_FAILED,
                     packageName, key.mUser);
-            mCallback.onPackageStateChanged(info);
+            callback.onPackageStateChanged(info);
 
-            if (!success && mInstallerCompat.promiseIconAddedForId(sessionId)) {
-                mCallback.onSessionFailure(packageName, key.mUser);
+            if (!success && helper.promiseIconAddedForId(sessionId)) {
+                callback.onSessionFailure(packageName, key.mUser);
                 // If it is successful, the id is removed in the the package added flow.
-                mInstallerCompat.removePromiseIconId(sessionId);
+                helper.removePromiseIconId(sessionId);
             }
         }
     }
 
     @Override
     public void onProgressChanged(int sessionId, float progress) {
-        SessionInfo session = mInstallerCompat.getVerifiedSessionInfo(sessionId);
+        InstallSessionHelper helper = mWeakHelper.get();
+        Callback callback = mWeakCallback.get();
+        if (callback == null || helper == null) {
+            return;
+        }
+        SessionInfo session = helper.getVerifiedSessionInfo(sessionId);
         if (session != null && session.getAppPackageName() != null) {
-            mCallback.onPackageStateChanged(PackageInstallInfo.fromInstallingState(session));
+            callback.onPackageStateChanged(PackageInstallInfo.fromInstallingState(session));
         }
     }
 
@@ -88,35 +114,53 @@
 
     @Override
     public void onBadgingChanged(int sessionId) {
-        SessionInfo sessionInfo = pushSessionDisplayToLauncher(sessionId);
+        InstallSessionHelper helper = mWeakHelper.get();
+        Callback callback = mWeakCallback.get();
+        if (callback == null || helper == null) {
+            return;
+        }
+        SessionInfo sessionInfo = pushSessionDisplayToLauncher(sessionId, helper, callback);
         if (sessionInfo != null) {
-            mInstallerCompat.tryQueuePromiseAppIcon(sessionInfo);
+            helper.tryQueuePromiseAppIcon(sessionInfo);
         }
     }
 
-    private SessionInfo pushSessionDisplayToLauncher(int sessionId) {
-        SessionInfo session = mInstallerCompat.getVerifiedSessionInfo(sessionId);
+    private SessionInfo pushSessionDisplayToLauncher(
+            int sessionId, InstallSessionHelper helper, Callback callback) {
+        SessionInfo session = helper.getVerifiedSessionInfo(sessionId);
         if (session != null && session.getAppPackageName() != null) {
             PackageUserKey key =
                     new PackageUserKey(session.getAppPackageName(), getUserHandle(session));
-            getActiveSessionMap().put(session.getSessionId(), key);
-            mCallback.onUpdateSessionDisplay(key, session);
+            getActiveSessionMap(helper).put(session.getSessionId(), key);
+            callback.onUpdateSessionDisplay(key, session);
             return session;
         }
         return null;
     }
 
-    private SparseArray<PackageUserKey> getActiveSessionMap() {
+    private SparseArray<PackageUserKey> getActiveSessionMap(InstallSessionHelper helper) {
         if (mActiveSessions == null) {
             mActiveSessions = new SparseArray<>();
-            mInstallerCompat.getActiveSessions().forEach(
+            helper.getActiveSessions().forEach(
                     (key, si) -> mActiveSessions.put(si.getSessionId(), key));
         }
         return mActiveSessions;
     }
 
+    void register() {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
+            mInstaller.registerSessionCallback(this, MODEL_EXECUTOR.getHandler());
+        } else {
+            mLauncherApps.registerPackageInstallerSessionCallback(MODEL_EXECUTOR, this);
+        }
+    }
+
     public void unregister() {
-        mInstallerCompat.unregister(this);
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
+            mInstaller.unregisterSessionCallback(this);
+        } else {
+            mLauncherApps.unregisterPackageInstallerSessionCallback(this);
+        }
     }
 
     public interface Callback {
diff --git a/src/com/android/launcher3/provider/RestoreDbTask.java b/src/com/android/launcher3/provider/RestoreDbTask.java
index 8d02a4a..d59429d 100644
--- a/src/com/android/launcher3/provider/RestoreDbTask.java
+++ b/src/com/android/launcher3/provider/RestoreDbTask.java
@@ -84,9 +84,10 @@
     }
 
     private static boolean performRestore(Context context, DatabaseHelper helper) {
-        if (new DeviceGridState(LauncherAppState.getIDP(context)).getDeviceType()
-                != Utilities.getPrefs(context).getInt(RESTORED_DEVICE_TYPE, TYPE_PHONE)) {
-            // DO not restore if the device types are different
+        if (!DeviceGridState.deviceTypeCompatible(
+                new DeviceGridState(LauncherAppState.getIDP(context)).getDeviceType(),
+                Utilities.getPrefs(context).getInt(RESTORED_DEVICE_TYPE, TYPE_PHONE))) {
+            // DO NOT restore if the device types are incompatible.
             return false;
         }
         SQLiteDatabase db = helper.getWritableDatabase();
diff --git a/src/com/android/launcher3/settings/DeveloperOptionsFragment.java b/src/com/android/launcher3/settings/DeveloperOptionsFragment.java
index 4d63218..b06b8a1 100644
--- a/src/com/android/launcher3/settings/DeveloperOptionsFragment.java
+++ b/src/com/android/launcher3/settings/DeveloperOptionsFragment.java
@@ -20,6 +20,7 @@
 import static android.view.View.GONE;
 import static android.view.View.VISIBLE;
 
+import static com.android.launcher3.settings.SettingsActivity.EXTRA_FRAGMENT_ARG_KEY;
 import static com.android.launcher3.uioverrides.plugins.PluginManagerWrapper.PLUGIN_CHANGED;
 import static com.android.launcher3.uioverrides.plugins.PluginManagerWrapper.pluginEnabledKey;
 
@@ -29,6 +30,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.net.Uri;
@@ -44,6 +46,7 @@
 import android.view.MenuItem;
 import android.view.View;
 import android.widget.EditText;
+import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -57,12 +60,15 @@
 import androidx.preference.SwitchPreference;
 
 import com.android.launcher3.R;
+import com.android.launcher3.Utilities;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.config.FlagTogglerPrefUi;
 import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
+import com.android.launcher3.util.OnboardingPrefs;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
 import java.util.Set;
 import java.util.stream.Collectors;
 
@@ -104,6 +110,7 @@
         initFlags();
         loadPluginPrefs();
         maybeAddSandboxCategory();
+        addOnboardingPrefsCatergory();
 
         if (getActivity() != null) {
             getActivity().setTitle("Developer Options");
@@ -153,6 +160,15 @@
             }
         });
 
+        if (getArguments() != null) {
+            String filter = getArguments().getString(EXTRA_FRAGMENT_ARG_KEY);
+            // Normally EXTRA_FRAGMENT_ARG_KEY is used to highlight the preference with the given
+            // key. This is a slight variation where we instead filter by the human-readable titles.
+            if (filter != null) {
+                filterBox.setText(filter);
+            }
+        }
+
         View listView = getListView();
         final int bottomPadding = listView.getPaddingBottom();
         listView.setOnApplyWindowInsetsListener((v, insets) -> {
@@ -355,6 +371,28 @@
         sandboxCategory.addPreference(launchSandboxModeTutorialPreference);
     }
 
+    private void addOnboardingPrefsCatergory() {
+        PreferenceCategory onboardingCategory = newCategory("Onboarding Flows");
+        onboardingCategory.setSummary("Reset these if you want to see the education again.");
+        for (Map.Entry<String, String[]> titleAndKeys : OnboardingPrefs.ALL_PREF_KEYS.entrySet()) {
+            String title = titleAndKeys.getKey();
+            String[] keys = titleAndKeys.getValue();
+            Preference onboardingPref = new Preference(getContext());
+            onboardingPref.setTitle(title);
+            onboardingPref.setSummary("Tap to reset");
+            onboardingPref.setOnPreferenceClickListener(preference -> {
+                SharedPreferences.Editor sharedPrefsEdit = Utilities.getPrefs(getContext()).edit();
+                for (String key : keys) {
+                    sharedPrefsEdit.remove(key);
+                }
+                sharedPrefsEdit.apply();
+                Toast.makeText(getContext(), "Reset " + title, Toast.LENGTH_SHORT).show();
+                return true;
+            });
+            onboardingCategory.addPreference(onboardingPref);
+        }
+    }
+
     private String toName(String action) {
         String str = action.replace("com.android.systemui.action.PLUGIN_", "")
                 .replace("com.android.launcher3.action.PLUGIN_", "");
diff --git a/src/com/android/launcher3/settings/SettingsActivity.java b/src/com/android/launcher3/settings/SettingsActivity.java
index 915e140..f348a33 100644
--- a/src/com/android/launcher3/settings/SettingsActivity.java
+++ b/src/com/android/launcher3/settings/SettingsActivity.java
@@ -62,8 +62,9 @@
         SharedPreferences.OnSharedPreferenceChangeListener{
 
     /** List of fragments that can be hosted by this activity. */
-    private static final List<String> VALID_PREFERENCE_FRAGMENTS = Collections.singletonList(
-            DeveloperOptionsFragment.class.getName());
+    private static final List<String> VALID_PREFERENCE_FRAGMENTS =
+            !Utilities.IS_DEBUG_DEVICE ? Collections.emptyList()
+                    : Collections.singletonList(DeveloperOptionsFragment.class.getName());
 
     private static final String DEVELOPER_OPTIONS_KEY = "pref_developer_options";
     private static final String FLAGS_PREFERENCE_KEY = "flag_toggler";
diff --git a/src/com/android/launcher3/touch/LandscapePagedViewHandler.java b/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
index 8d330d4..895ca08 100644
--- a/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
+++ b/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
@@ -388,11 +388,12 @@
     public void setSplitTaskSwipeRect(DeviceProfile dp, Rect outRect,
             SplitConfigurationOptions.StagedSplitBounds splitInfo, int desiredStagePosition) {
         float diff;
+        float horizontalDividerDiff = splitInfo.visualDividerBounds.width() / 2f;
         if (desiredStagePosition == SplitConfigurationOptions.STAGE_POSITION_TOP_OR_LEFT) {
-            diff = outRect.height() * (1f - splitInfo.leftTaskPercent);
+            diff = outRect.height() * (1f - splitInfo.leftTaskPercent) + horizontalDividerDiff;
             outRect.bottom -= diff;
         } else {
-            diff = outRect.height() * splitInfo.leftTaskPercent;
+            diff = outRect.height() * splitInfo.leftTaskPercent + horizontalDividerDiff;
             outRect.top += diff;
         }
     }
@@ -402,7 +403,7 @@
             SplitConfigurationOptions.StagedSplitBounds splitInfo, int desiredStagePosition) {
         if (desiredStagePosition == STAGE_POSITION_BOTTOM_OR_RIGHT) {
             // The preview set is for the bottom/right, inset by top/left task
-            splitOffset.x = splitInfo.leftTopBounds.width() + splitInfo.dividerBounds.width() / 2;
+            splitOffset.x = splitInfo.leftTopBounds.width() + splitInfo.visualDividerBounds.width();
         }
     }
 
@@ -413,7 +414,7 @@
         int spaceAboveSnapshot = dp.overviewTaskThumbnailTopMarginPx;
         int totalThumbnailHeight = taskParent.getHeight() - spaceAboveSnapshot;
         int totalThumbnailWidth = taskParent.getWidth();
-        int dividerBar = splitBoundsConfig.dividerBounds.width() / 2;
+        int dividerBar = splitBoundsConfig.visualDividerBounds.width();
         ViewGroup.LayoutParams primaryLp = mSnapshotView.getLayoutParams();
         ViewGroup.LayoutParams secondaryLp = mSnapshotView2.getLayoutParams();
 
diff --git a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
index 8284659..f1fd439 100644
--- a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
+++ b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
@@ -474,21 +474,23 @@
     public void setSplitTaskSwipeRect(DeviceProfile dp, Rect outRect,
             SplitConfigurationOptions.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);
+                diff = outRect.width() * (1f - splitInfo.leftTaskPercent) + horizontalDividerDiff;
                 outRect.right -= diff;
             } else {
-                diff = outRect.height() * (1f - splitInfo.topTaskPercent);
+                diff = outRect.height() * (1f - splitInfo.topTaskPercent) + verticalDividerDiff;
                 outRect.bottom -= diff;
             }
         } else {
             if (isLandscape) {
-                diff = outRect.width() * splitInfo.leftTaskPercent;
+                diff = outRect.width() * splitInfo.leftTaskPercent + horizontalDividerDiff;
                 outRect.left += diff;
             } else {
-                diff = outRect.height() * splitInfo.topTaskPercent;
+                diff = outRect.height() * splitInfo.topTaskPercent + verticalDividerDiff;
                 outRect.top += diff;
             }
         }
@@ -500,10 +502,12 @@
         if (desiredStagePosition == STAGE_POSITION_BOTTOM_OR_RIGHT) {
             if (dp.isLandscape) {
                 splitOffset.x = splitInfo.leftTopBounds.width() +
-                        splitInfo.dividerBounds.width() / 2;
+                        splitInfo.visualDividerBounds.width();
+                splitOffset.y = 0;
             } else {
                 splitOffset.y = splitInfo.leftTopBounds.height() +
-                        splitInfo.dividerBounds.height() / 2;
+                        splitInfo.visualDividerBounds.height();
+                splitOffset.x = 0;
             }
         }
     }
@@ -516,9 +520,8 @@
         int totalThumbnailHeight = taskParent.getHeight() - spaceAboveSnapshot;
         int totalThumbnailWidth = taskParent.getWidth();
         int dividerBar = (dp.isLandscape ?
-                splitBoundsConfig.dividerBounds.width() :
-                splitBoundsConfig.dividerBounds.height())
-                / 2;
+                splitBoundsConfig.visualDividerBounds.width() :
+                splitBoundsConfig.visualDividerBounds.height());
         ViewGroup.LayoutParams primaryLp = mSnapshotView.getLayoutParams();
         ViewGroup.LayoutParams secondaryLp = mSnapshotView2.getLayoutParams();
 
diff --git a/src/com/android/launcher3/util/ItemInfoMatcher.java b/src/com/android/launcher3/util/ItemInfoMatcher.java
index e8ba28f..ab3083d 100644
--- a/src/com/android/launcher3/util/ItemInfoMatcher.java
+++ b/src/com/android/launcher3/util/ItemInfoMatcher.java
@@ -32,6 +32,11 @@
  */
 public interface ItemInfoMatcher {
 
+    /**
+     * Empty component used for match testing
+     */
+    ComponentName EMPTY_COMPONENT = new ComponentName("", "");
+
     boolean matches(ItemInfo info, ComponentName cn);
 
     /**
@@ -40,7 +45,7 @@
     default boolean matchesInfo(ItemInfo info) {
         if (info != null) {
             ComponentName cn = info.getTargetComponent();
-            return cn != null && matches(info, cn);
+            return matches(info, cn != null ? cn : EMPTY_COMPONENT);
         } else {
             return false;
         }
diff --git a/src/com/android/launcher3/util/OnboardingPrefs.java b/src/com/android/launcher3/util/OnboardingPrefs.java
index cf1467a..5ba0d30 100644
--- a/src/com/android/launcher3/util/OnboardingPrefs.java
+++ b/src/com/android/launcher3/util/OnboardingPrefs.java
@@ -39,6 +39,14 @@
     public static final String SEARCH_EDU_SEEN = "launcher.search_edu_seen";
     public static final String SEARCH_SNACKBAR_COUNT = "launcher.keyboard_snackbar_count";
     public static final String TASKBAR_EDU_SEEN = "launcher.taskbar_edu_seen";
+    // When adding a new key, add it here as well, to be able to reset it from Developer Options.
+    public static final Map<String, String[]> ALL_PREF_KEYS = Map.of(
+            "All Apps Bounce", new String[] { HOME_BOUNCE_SEEN, HOME_BOUNCE_COUNT },
+            "Hybrid Hotseat Education", new String[] { HOTSEAT_DISCOVERY_TIP_COUNT,
+                    HOTSEAT_LONGPRESS_TIP_SEEN },
+            "Search Education", new String[] { SEARCH_EDU_SEEN, SEARCH_SNACKBAR_COUNT },
+            "Taskbar Education", new String[] { TASKBAR_EDU_SEEN }
+    );
 
     /**
      * Events that either have happened or have not (booleans).
diff --git a/src/com/android/launcher3/util/SplitConfigurationOptions.java b/src/com/android/launcher3/util/SplitConfigurationOptions.java
index 41693de..5093d85 100644
--- a/src/com/android/launcher3/util/SplitConfigurationOptions.java
+++ b/src/com/android/launcher3/util/SplitConfigurationOptions.java
@@ -88,25 +88,29 @@
     public static class StagedSplitBounds {
         public final Rect leftTopBounds;
         public final Rect rightBottomBounds;
-        public final Rect dividerBounds;
+        /** This rect represents the actual gap between the two apps */
+        public final Rect visualDividerBounds;
         // This class is orientation-agnostic, so we compute both for later use
         public final float topTaskPercent;
         public final float leftTaskPercent;
 
 
-        public StagedSplitBounds(Rect leftTopBounds, Rect rightBottomBounds, Rect dividerBounds) {
+        public StagedSplitBounds(Rect leftTopBounds, Rect rightBottomBounds) {
             this.leftTopBounds = leftTopBounds;
             this.rightBottomBounds = rightBottomBounds;
-            this.dividerBounds = dividerBounds;
-            float totalHeight = this.leftTopBounds.height()
-                    + this.rightBottomBounds.height()
-                    + this.dividerBounds.height();
-            float totalWidth = this.leftTopBounds.width()
-                    + this.rightBottomBounds.width()
-                    + this.dividerBounds.width();
 
-            leftTaskPercent = this.leftTopBounds.width() / totalWidth;
-            topTaskPercent = this.leftTopBounds.height() / totalHeight;
+            if (rightBottomBounds.top > leftTopBounds.top) {
+                // vertical apps, horizontal divider
+                this.visualDividerBounds = new Rect(leftTopBounds.left, leftTopBounds.bottom,
+                        leftTopBounds.right, rightBottomBounds.top);
+            } else {
+                // horizontal apps, vertical divider
+                this.visualDividerBounds = new Rect(leftTopBounds.right, leftTopBounds.top,
+                        rightBottomBounds.left, leftTopBounds.bottom);
+            }
+
+            leftTaskPercent = this.leftTopBounds.width() / (float) rightBottomBounds.right;
+            topTaskPercent = this.leftTopBounds.height() / (float) rightBottomBounds.bottom;
         }
     }
 
diff --git a/src/com/android/launcher3/util/WallpaperOffsetInterpolator.java b/src/com/android/launcher3/util/WallpaperOffsetInterpolator.java
index c51f66f..8a7cae9 100644
--- a/src/com/android/launcher3/util/WallpaperOffsetInterpolator.java
+++ b/src/com/android/launcher3/util/WallpaperOffsetInterpolator.java
@@ -150,8 +150,8 @@
      */
     private int getNumPagesExcludingEmpty() {
         int numOfPages = mWorkspace.getChildCount();
-        if (numOfPages >= MIN_PARALLAX_PAGE_SPAN && mWorkspace.hasExtraEmptyScreen()) {
-            return numOfPages - 1;
+        if (numOfPages >= MIN_PARALLAX_PAGE_SPAN && mWorkspace.hasExtraEmptyScreens()) {
+            return numOfPages - mWorkspace.getPanelCount();
         } else {
             return numOfPages;
         }
diff --git a/src_plugins/com/android/systemui/plugins/OneSearch.java b/src_plugins/com/android/systemui/plugins/OneSearch.java
index 6d57c19..8bd0b75 100644
--- a/src_plugins/com/android/systemui/plugins/OneSearch.java
+++ b/src_plugins/com/android/systemui/plugins/OneSearch.java
@@ -16,8 +16,7 @@
 
 package com.android.systemui.plugins;
 
-import android.graphics.Bitmap;
-import android.text.Spanned;
+import android.os.Parcelable;
 
 import com.android.systemui.plugins.annotations.ProvidesInterface;
 
@@ -29,7 +28,7 @@
 @ProvidesInterface(action = OneSearch.ACTION, version = OneSearch.VERSION)
 public interface OneSearch extends Plugin {
     String ACTION = "com.android.systemui.action.PLUGIN_ONE_SEARCH";
-    int VERSION = 2;
+    int VERSION = 3;
 
     /**
      * Get the content provider warmed up.
@@ -37,23 +36,8 @@
     void warmUp();
 
     /**
-     * Get the suggests for the query.
+     * Get the suggest search target list for the query.
      * @param query The query to get the search suggests for.
      */
-    ArrayList<Spanned> getSuggests(String query);
-
-    /**
-     * Get the image bitmap for the suggest.
-     * @param suggest The suggest to get the image bitmap for.
-     */
-    Bitmap getImageBitmap(Spanned suggest);
-
-    /**
-     * Get the subtitle for the suggest.
-     * @param suggest The suggest to get the subtitle for.
-     */
-    String getSubtitle(Spanned suggest);
-
-    /** Clear any cached data or storage used in search. */
-    void clear();
+    ArrayList<Parcelable> getSuggests(Parcelable query);
 }
diff --git a/robolectric_tests/src/com/android/launcher3/settings/SettingsActivityTest.java b/tests/src/com/android/launcher3/settings/SettingsActivityTest.java
similarity index 96%
rename from robolectric_tests/src/com/android/launcher3/settings/SettingsActivityTest.java
rename to tests/src/com/android/launcher3/settings/SettingsActivityTest.java
index 3271812..1c205f0 100644
--- a/robolectric_tests/src/com/android/launcher3/settings/SettingsActivityTest.java
+++ b/tests/src/com/android/launcher3/settings/SettingsActivityTest.java
@@ -55,6 +55,7 @@
 import org.junit.After;
 import org.junit.Assert;
 import org.junit.Before;
+import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
@@ -75,6 +76,7 @@
     }
 
     @Test
+    @Ignore  // b/199309785
     public void testSettings_aboutTap_launchesActivity() {
         ActivityScenario.launch(SettingsActivity.class);
         onView(withId(R.id.recycler_view)).perform(
@@ -88,6 +90,7 @@
     }
 
     @Test
+    @Ignore  // b/199309785
     public void testSettings_developerOptionsTap_launchesActivityWithFragment() {
         PluginPrefs.setHasPlugins(mApplicationContext);
         ActivityScenario.launch(SettingsActivity.class);
@@ -100,6 +103,7 @@
     }
 
     @Test
+    @Ignore  // b/199309785
     public void testSettings_aboutScreenIntent() {
         Bundle fragmentArgs = new Bundle();
         fragmentArgs.putString(ARG_PREFERENCE_ROOT, "about_screen");
@@ -114,6 +118,7 @@
     }
 
     @Test
+    @Ignore  // b/199309785
     public void testSettings_developerOptionsFragmentIntent() {
         Intent intent = new Intent(mApplicationContext, SettingsActivity.class)
                 .putExtra(EXTRA_FRAGMENT, DeveloperOptionsFragment.class.getName());
@@ -125,6 +130,7 @@
     }
 
     @Test
+    @Ignore  // b/199309785
     public void testSettings_intentWithUnknownFragment() {
         String fragmentClass = PreferenceFragmentCompat.class.getName();
         Intent intent = new Intent(mApplicationContext, SettingsActivity.class)
@@ -139,6 +145,7 @@
     }
 
     @Test
+    @Ignore  // b/199309785
     public void testSettings_backButtonFinishesActivity() {
         Bundle fragmentArgs = new Bundle();
         fragmentArgs.putString(ARG_PREFERENCE_ROOT, "about_screen");
diff --git a/tests/src/com/android/launcher3/ui/widget/RequestPinItemTest.java b/tests/src/com/android/launcher3/ui/widget/RequestPinItemTest.java
index a5694fc..ccbb662 100644
--- a/tests/src/com/android/launcher3/ui/widget/RequestPinItemTest.java
+++ b/tests/src/com/android/launcher3/ui/widget/RequestPinItemTest.java
@@ -42,7 +42,6 @@
 import com.android.launcher3.util.LauncherBindableItemsContainer.ItemOperator;
 import com.android.launcher3.util.Wait;
 import com.android.launcher3.util.Wait.Condition;
-import com.android.launcher3.util.rule.ScreenRecordRule.ScreenRecord;
 import com.android.launcher3.util.rule.ShellCommandRule;
 
 import org.junit.Before;
@@ -78,7 +77,6 @@
     public void testEmpty() throws Throwable { /* needed while the broken tests are being fixed */ }
 
     @Test
-    @ScreenRecord  //b/192010616
     public void testPinWidgetNoConfig() throws Throwable {
         runTest("pinWidgetNoConfig", true, (info, view) -> info instanceof LauncherAppWidgetInfo &&
                 ((LauncherAppWidgetInfo) info).appWidgetId == mAppWidgetId &&
diff --git a/tests/src/com/android/launcher3/util/LauncherModelHelper.java b/tests/src/com/android/launcher3/util/LauncherModelHelper.java
index c9b63ae..59966ee 100644
--- a/tests/src/com/android/launcher3/util/LauncherModelHelper.java
+++ b/tests/src/com/android/launcher3/util/LauncherModelHelper.java
@@ -66,7 +66,6 @@
 import com.android.launcher3.pm.UserCache;
 import com.android.launcher3.testing.TestInformationProvider;
 import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
-import com.android.launcher3.util.MainThreadInitializedObject.ObjectProvider;
 import com.android.launcher3.util.MainThreadInitializedObject.SandboxContext;
 import com.android.launcher3.widget.custom.CustomWidgetManager;
 
@@ -533,12 +532,6 @@
             super.onDestroy();
         }
 
-
-        @Override
-        protected <T> T createObject(ObjectProvider<T> provider) {
-            return spy(provider.get(this));
-        }
-
         @Override
         public PackageManager getPackageManager() {
             return mPm;