diff --git a/protos/launcher_atom.proto b/protos/launcher_atom.proto
index 6d49d75..ca9f063 100644
--- a/protos/launcher_atom.proto
+++ b/protos/launcher_atom.proto
@@ -59,6 +59,7 @@
     SettingsContainer settings_container = 9;
     PredictedHotseatContainer predicted_hotseat_container = 10;
     TaskSwitcherContainer task_switcher_container = 11;
+    TaskBarContainer task_bar_container = 12;
     ExtendedContainers extended_containers = 20;
   }
 }
@@ -100,6 +101,16 @@
 message TaskSwitcherContainer {
 }
 
+// Container for taskbar.
+// Configured to show up on large screens(tablet-sized) such as foldables in expanded state, within
+// an app view(not in launcher screen).
+message TaskBarContainer {
+  optional int32 index = 1;
+
+  // Bit encoded value to capture pinned and predicted taskbar positions.
+  optional int32 cardinality = 2;
+}
+
 enum Attribute {
   UNKNOWN = 0;
   DEFAULT_LAYOUT = 1;       // icon automatically placed in workspace, folder, hotseat
@@ -230,6 +241,7 @@
   oneof ParentContainer {
     WorkspaceContainer workspace = 4;
     HotseatContainer hotseat = 5;
+    TaskBarContainer taskbar = 6;
   }
 }
 
diff --git a/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java b/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
index 1f4be5b..d24d752 100644
--- a/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
+++ b/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
@@ -124,6 +124,15 @@
     private final ServiceConnection mTisBinderConnection = new ServiceConnection() {
         @Override
         public void onServiceConnected(ComponentName componentName, IBinder iBinder) {
+            if (!(iBinder instanceof TISBinder)) {
+                // Seems like there can be a race condition when user unlocks, which kills the TIS
+                // process and re-starts it. I guess in the meantime service can be connected to
+                // a killed TIS? Either way, unbind and try to re-connect in that case.
+                unbindService(mTisBinderConnection);
+                mHandler.postDelayed(mConnectionRunnable, BACKOFF_MILLIS);
+                return;
+            }
+
             mTaskbarManager = ((TISBinder) iBinder).getTaskbarManager();
             mTaskbarManager.setLauncher(BaseQuickstepLauncher.this);
 
diff --git a/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java b/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
index 829e072..359f436 100644
--- a/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
@@ -16,6 +16,8 @@
 package com.android.launcher3.taskbar;
 
 import static com.android.launcher3.LauncherState.HOTSEAT_ICONS;
+import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TASKBAR_LONGPRESS_HIDE;
+import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TASKBAR_LONGPRESS_SHOW;
 import static com.android.launcher3.taskbar.TaskbarStashController.FLAG_IN_APP;
 import static com.android.launcher3.taskbar.TaskbarViewController.ALPHA_INDEX_HOME;
 
@@ -36,7 +38,10 @@
 import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.AnimatorListeners;
 import com.android.launcher3.config.FeatureFlags;
+import com.android.launcher3.logging.InstanceId;
+import com.android.launcher3.logging.InstanceIdSequence;
 import com.android.launcher3.model.data.ItemInfoWithIcon;
+import com.android.launcher3.model.data.WorkspaceItemInfo;
 import com.android.launcher3.util.MultiValueAlpha;
 import com.android.launcher3.util.MultiValueAlpha.AlphaProperty;
 import com.android.launcher3.util.OnboardingPrefs;
@@ -262,6 +267,11 @@
     @Override
     protected void onStashedInAppChanged() {
         onStashedInAppChanged(mLauncher.getDeviceProfile());
+        if (mControllers.taskbarStashController.isStashedInApp()) {
+            mContext.getStatsLogManager().logger().log(LAUNCHER_TASKBAR_LONGPRESS_HIDE);
+        } else {
+            mContext.getStatsLogManager().logger().log(LAUNCHER_TASKBAR_LONGPRESS_SHOW);
+        }
     }
 
     private void onStashedInAppChanged(DeviceProfile deviceProfile) {
@@ -306,6 +316,12 @@
         mControllers.taskbarEduController.hideEdu();
     }
 
+    @Override
+    public void onTaskbarIconLaunched(WorkspaceItemInfo item) {
+        InstanceId instanceId = new InstanceIdSequence().newInstanceId();
+        mLauncher.logAppLaunch(mContext.getStatsLogManager(), item, instanceId);
+    }
+
     private final class TaskBarRecentsAnimationListener implements RecentsAnimationListener {
         private final RecentsAnimationCallbacks mCallbacks;
 
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
index 0d684a0..0b6f9c4 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
@@ -19,6 +19,7 @@
 import static android.view.WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_ALWAYS;
 import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR_PANEL;
 
+import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_FOLDER_OPEN;
 import static com.android.systemui.shared.system.WindowManagerWrapper.ITYPE_BOTTOM_TAPPABLE_ELEMENT;
 import static com.android.systemui.shared.system.WindowManagerWrapper.ITYPE_EXTRA_NAVIGATION_BAR;
 
@@ -52,6 +53,7 @@
 import com.android.launcher3.R;
 import com.android.launcher3.folder.Folder;
 import com.android.launcher3.folder.FolderIcon;
+import com.android.launcher3.logger.LauncherAtom;
 import com.android.launcher3.model.data.FolderInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
 import com.android.launcher3.taskbar.contextual.RotationButtonController;
@@ -162,6 +164,8 @@
         mWindowLayoutParams.setFitInsetsTypes(0);
         mWindowLayoutParams.softInputMode = WindowManager.LayoutParams.SOFT_INPUT_ADJUST_NOTHING;
         mWindowLayoutParams.layoutInDisplayCutoutMode = LAYOUT_IN_DISPLAY_CUTOUT_MODE_ALWAYS;
+        mWindowLayoutParams.privateFlags =
+                WindowManager.LayoutParams.PRIVATE_FLAG_NO_MOVE_ANIMATION;
 
         WindowManagerWrapper wmWrapper = WindowManagerWrapper.getInstance();
         wmWrapper.setProvidesInsetsTypes(
@@ -230,6 +234,60 @@
     }
 
     /**
+     * Change from hotseat/predicted hotseat to taskbar container.
+     */
+    @Override
+    public void applyOverwritesToLogItem(LauncherAtom.ItemInfo.Builder itemInfoBuilder) {
+        if (!itemInfoBuilder.hasContainerInfo()) {
+            return;
+        }
+        LauncherAtom.ContainerInfo oldContainer = itemInfoBuilder.getContainerInfo();
+
+        if (oldContainer.hasPredictedHotseatContainer()) {
+            LauncherAtom.PredictedHotseatContainer predictedHotseat =
+                    oldContainer.getPredictedHotseatContainer();
+            LauncherAtom.TaskBarContainer.Builder taskbarBuilder =
+                    LauncherAtom.TaskBarContainer.newBuilder();
+
+            if (predictedHotseat.hasIndex()) {
+                taskbarBuilder.setIndex(predictedHotseat.getIndex());
+            }
+            if (predictedHotseat.hasCardinality()) {
+                taskbarBuilder.setCardinality(predictedHotseat.getCardinality());
+            }
+
+            itemInfoBuilder.setContainerInfo(LauncherAtom.ContainerInfo.newBuilder()
+                    .setTaskBarContainer(taskbarBuilder));
+        } else if (oldContainer.hasHotseat()) {
+            LauncherAtom.HotseatContainer hotseat = oldContainer.getHotseat();
+            LauncherAtom.TaskBarContainer.Builder taskbarBuilder =
+                    LauncherAtom.TaskBarContainer.newBuilder();
+
+            if (hotseat.hasIndex()) {
+                taskbarBuilder.setIndex(hotseat.getIndex());
+            }
+
+            itemInfoBuilder.setContainerInfo(LauncherAtom.ContainerInfo.newBuilder()
+                    .setTaskBarContainer(taskbarBuilder));
+        } else if (oldContainer.hasFolder() && oldContainer.getFolder().hasHotseat()) {
+            LauncherAtom.FolderContainer.Builder folderBuilder = oldContainer.getFolder()
+                    .toBuilder();
+            LauncherAtom.HotseatContainer hotseat = folderBuilder.getHotseat();
+            LauncherAtom.TaskBarContainer.Builder taskbarBuilder =
+                    LauncherAtom.TaskBarContainer.newBuilder();
+
+            if (hotseat.hasIndex()) {
+                taskbarBuilder.setIndex(hotseat.getIndex());
+            }
+
+            folderBuilder.setTaskbar(taskbarBuilder);
+            folderBuilder.clearHotseat();
+            itemInfoBuilder.setContainerInfo(LauncherAtom.ContainerInfo.newBuilder()
+                    .setFolder(folderBuilder));
+        }
+    }
+
+    /**
      * Sets a new data-source for this taskbar instance
      */
     public void setUIController(@NonNull TaskbarUIController uiController) {
@@ -326,6 +384,7 @@
 
             getDragLayer().post(() -> {
                 folder.animateOpen();
+                getStatsLogManager().logger().withItemInfo(folder.mInfo).log(LAUNCHER_FOLDER_OPEN);
 
                 folder.iterateOverItems((itemInfo, itemView) -> {
                     mControllers.taskbarViewController
@@ -363,6 +422,8 @@
                         getSystemService(LauncherApps.class).startMainActivity(
                                 intent.getComponent(), info.user, intent.getSourceBounds(), null);
                     }
+
+                    mControllers.uiController.onTaskbarIconLaunched(info);
                 } catch (NullPointerException | ActivityNotFoundException | SecurityException e) {
                     Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT)
                             .show();
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragController.java
index b89032e..1afbd17 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragController.java
@@ -34,6 +34,8 @@
 
 import androidx.annotation.Nullable;
 
+import com.android.internal.logging.InstanceId;
+import com.android.internal.logging.InstanceIdSequence;
 import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.BubbleTextView;
 import com.android.launcher3.DragSource;
@@ -48,6 +50,7 @@
 import com.android.launcher3.dragndrop.DraggableView;
 import com.android.launcher3.graphics.DragPreviewProvider;
 import com.android.launcher3.icons.FastBitmapDrawable;
+import com.android.launcher3.logging.StatsLogManager;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
 import com.android.systemui.shared.recents.model.Task;
@@ -284,10 +287,22 @@
         }
 
         if (clipDescription != null && intent != null) {
+            // Need to share the same InstanceId between launcher3 and WM Shell (internal).
+            InstanceId internalInstanceId = new InstanceIdSequence(
+                    com.android.launcher3.logging.InstanceId.INSTANCE_ID_MAX).newInstanceId();
+            com.android.launcher3.logging.InstanceId launcherInstanceId =
+                    new com.android.launcher3.logging.InstanceId(internalInstanceId.getId());
+
+            intent.putExtra(ClipDescription.EXTRA_LOGGING_INSTANCE_ID, internalInstanceId);
+
             ClipData clipData = new ClipData(clipDescription, new ClipData.Item(intent));
             if (btv.startDragAndDrop(clipData, shadowBuilder, null /* localState */,
                     View.DRAG_FLAG_GLOBAL | View.DRAG_FLAG_OPAQUE)) {
                 onSystemDragStarted();
+
+                mActivity.getStatsLogManager().logger().withItemInfo(mDragObject.dragInfo)
+                        .withInstanceId(launcherInstanceId)
+                        .log(StatsLogManager.LauncherEvent.LAUNCHER_ITEM_DRAG_STARTED);
             }
         }
     }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java
index 567a0c7..10a5b89 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java
@@ -156,7 +156,7 @@
          * Called when a child is removed from TaskbarDragLayer.
          */
         public void onDragLayerViewRemoved() {
-            if (AbstractFloatingView.getOpenView(mActivity, TYPE_ALL) == null) {
+            if (AbstractFloatingView.getAnyView(mActivity, TYPE_ALL) == null) {
                 mActivity.setTaskbarWindowFullscreen(false);
             }
         }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java
index c0312a0..d8360e0 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java
@@ -18,6 +18,7 @@
 import android.graphics.Rect;
 
 import com.android.launcher3.model.data.ItemInfoWithIcon;
+import com.android.launcher3.model.data.WorkspaceItemInfo;
 
 import java.util.stream.Stream;
 
@@ -43,4 +44,6 @@
     public Stream<ItemInfoWithIcon> getAppIconsForEdu() {
         return Stream.empty();
     }
+
+    public void onTaskbarIconLaunched(WorkspaceItemInfo item) { }
 }
diff --git a/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java b/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
index 2009cd7..3738dce 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
@@ -51,6 +51,7 @@
 import com.android.launcher3.appprediction.PredictionRowView;
 import com.android.launcher3.hybridhotseat.HotseatPredictionController;
 import com.android.launcher3.logging.InstanceId;
+import com.android.launcher3.logging.StatsLogManager;
 import com.android.launcher3.logging.StatsLogManager.StatsLogger;
 import com.android.launcher3.model.BgDataModel.FixedContainerItems;
 import com.android.launcher3.model.data.ItemInfo;
@@ -104,7 +105,8 @@
     }
 
     @Override
-    protected void logAppLaunch(ItemInfo info, InstanceId instanceId) {
+    public void logAppLaunch(StatsLogManager statsLogManager, ItemInfo info,
+            InstanceId instanceId) {
         // If the app launch is from any of the surfaces in AllApps then add the InstanceId from
         // LiveSearchManager to recreate the AllApps session on the server side.
         if (mAllAppsSessionLogId != null && ALL_APPS.equals(
@@ -112,8 +114,7 @@
             instanceId = mAllAppsSessionLogId;
         }
 
-        StatsLogger logger = getStatsLogManager()
-                .logger().withItemInfo(info).withInstanceId(instanceId);
+        StatsLogger logger = statsLogManager.logger().withItemInfo(info).withInstanceId(instanceId);
 
         if (mAllAppsPredictions != null
                 && (info.itemType == ITEM_TYPE_APPLICATION
diff --git a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index 1e841da..47c865f 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -65,7 +65,6 @@
 import android.os.Build;
 import android.os.IBinder;
 import android.os.SystemClock;
-import android.util.Log;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.View.OnApplyWindowInsetsListener;
@@ -88,7 +87,6 @@
 import com.android.launcher3.logging.StatsLogManager.StatsLogger;
 import com.android.launcher3.statemanager.BaseState;
 import com.android.launcher3.statemanager.StatefulActivity;
-import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.tracing.InputConsumerProto;
 import com.android.launcher3.tracing.SwipeHandlerProto;
 import com.android.launcher3.util.TraceHelper;
@@ -270,7 +268,7 @@
             TaskAnimationManager taskAnimationManager, GestureState gestureState,
             long touchTimeMs, boolean continuingLastGesture,
             InputConsumerController inputConsumer) {
-        super(context, deviceState, gestureState, new TransformParams());
+        super(context, deviceState, gestureState);
         mActivityInterface = gestureState.getActivityInterface();
         mActivityInitListener = mActivityInterface.createActivityInitListener(this::onActivityInit);
         mInputConsumerProxy =
@@ -883,9 +881,6 @@
      */
     @UiThread
     public void onGestureEnded(float endVelocity, PointF velocity, PointF downPos) {
-        if (Utilities.IS_RUNNING_IN_TEST_HARNESS) {
-            Log.d(TestProtocol.L3_SWIPE_TO_HOME, "3");
-        }
         float flingThreshold = mContext.getResources()
                 .getDimension(R.dimen.quickstep_fling_threshold_speed);
         boolean isFling = mGestureStarted && !mIsMotionPaused
@@ -1048,9 +1043,6 @@
     @UiThread
     private void handleNormalGestureEnd(float endVelocity, boolean isFling, PointF velocity,
             boolean isCancel) {
-        if (Utilities.IS_RUNNING_IN_TEST_HARNESS) {
-            Log.d(TestProtocol.L3_SWIPE_TO_HOME, "4");
-        }
         long duration = MAX_SWIPE_DURATION;
         float currentShift = mCurrentShift.value;
         final GestureEndTarget endTarget = calculateEndTarget(velocity, endVelocity,
@@ -1169,9 +1161,6 @@
     @UiThread
     private void animateToProgress(float start, float end, long duration, Interpolator interpolator,
             GestureEndTarget target, PointF velocityPxPerMs) {
-        if (Utilities.IS_RUNNING_IN_TEST_HARNESS) {
-            Log.d(TestProtocol.L3_SWIPE_TO_HOME, "5");
-        }
         runOnRecentsAnimationStart(() -> animateToProgressInternal(start, end, duration,
                 interpolator, target, velocityPxPerMs));
     }
@@ -1222,9 +1211,6 @@
             }
         }
 
-        if (Utilities.IS_RUNNING_IN_TEST_HARNESS) {
-            Log.d(TestProtocol.L3_SWIPE_TO_HOME, "7, end target=" + mGestureState.getEndTarget());
-        }
         if (mGestureState.getEndTarget() == HOME) {
             getOrientationHandler().adjustFloatingIconStartVelocity(velocityPxPerMs);
             final RemoteAnimationTargetCompat runningTaskTarget = mRecentsAnimationTargets != null
@@ -1239,9 +1225,6 @@
                     && runningTaskTarget.allowEnterPip
                     && runningTaskTarget.taskInfo.pictureInPictureParams != null
                     && runningTaskTarget.taskInfo.pictureInPictureParams.isAutoEnterEnabled();
-            if (Utilities.IS_RUNNING_IN_TEST_HARNESS) {
-                Log.d(TestProtocol.L3_SWIPE_TO_HOME, "8, class=" + getClass().getSimpleName());
-            }
             HomeAnimationFactory homeAnimFactory =
                     createHomeAnimationFactory(cookies, duration, isTranslucent, appCanEnterPip,
                             runningTaskTarget);
@@ -1840,9 +1823,6 @@
      * be run when it is next started.
      */
     protected void runOnRecentsAnimationStart(Runnable action) {
-        if (Utilities.IS_RUNNING_IN_TEST_HARNESS) {
-            Log.d(TestProtocol.L3_SWIPE_TO_HOME, "6");
-        }
         if (mRecentsAnimationTargets == null) {
             mRecentsAnimationStartCallbacks.add(action);
         } else {
diff --git a/quickstep/src/com/android/quickstep/FallbackSwipeHandler.java b/quickstep/src/com/android/quickstep/FallbackSwipeHandler.java
index 80ae65e..c1b45e0 100644
--- a/quickstep/src/com/android/quickstep/FallbackSwipeHandler.java
+++ b/quickstep/src/com/android/quickstep/FallbackSwipeHandler.java
@@ -45,7 +45,6 @@
 import android.os.Messenger;
 import android.os.ParcelUuid;
 import android.os.UserHandle;
-import android.util.Log;
 import android.view.Surface;
 import android.view.SurfaceControl;
 import android.view.SurfaceControl.Transaction;
@@ -58,7 +57,6 @@
 import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.anim.SpringAnimationBuilder;
-import com.android.launcher3.testing.TestProtocol;
 import com.android.quickstep.fallback.FallbackRecentsView;
 import com.android.quickstep.fallback.RecentsState;
 import com.android.quickstep.util.AppCloseConfig;
@@ -141,10 +139,6 @@
         mActiveAnimationFactory = new FallbackHomeAnimationFactory(duration);
         ActivityOptions options = ActivityOptions.makeCustomAnimation(mContext, 0, 0);
         Intent intent = new Intent(mGestureState.getHomeIntent());
-        if (Utilities.IS_RUNNING_IN_TEST_HARNESS) {
-            Log.d(TestProtocol.L3_SWIPE_TO_HOME,
-                    "createHomeAnimationFactory: " + intent.toShortString(true, true, true, false));
-        }
         mActiveAnimationFactory.addGestureContract(intent);
         try {
             mContext.startActivity(intent, options.toBundle());
diff --git a/quickstep/src/com/android/quickstep/RecentsAnimationCallbacks.java b/quickstep/src/com/android/quickstep/RecentsAnimationCallbacks.java
index 3c05a3e..e948221 100644
--- a/quickstep/src/com/android/quickstep/RecentsAnimationCallbacks.java
+++ b/quickstep/src/com/android/quickstep/RecentsAnimationCallbacks.java
@@ -20,14 +20,12 @@
 
 import android.graphics.Rect;
 import android.util.ArraySet;
-import android.util.Log;
 import android.view.RemoteAnimationTarget;
 
 import androidx.annotation.BinderThread;
 import androidx.annotation.UiThread;
 
 import com.android.launcher3.Utilities;
-import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.util.Preconditions;
 import com.android.systemui.shared.recents.model.ThumbnailData;
 import com.android.systemui.shared.system.RecentsAnimationControllerCompat;
@@ -97,9 +95,6 @@
             RemoteAnimationTargetCompat[] appTargets,
             RemoteAnimationTargetCompat[] wallpaperTargets,
             Rect homeContentInsets, Rect minimizedHomeBounds) {
-        if (Utilities.IS_RUNNING_IN_TEST_HARNESS) {
-            Log.d(TestProtocol.L3_SWIPE_TO_HOME, "RecentsAnimationCallbacks.onAnimationStart");
-        }
         // Convert appTargets to type RemoteAnimationTarget for all apps except Home app
         RemoteAnimationTarget[] nonHomeApps = Arrays.stream(appTargets)
                 .filter(remoteAnimationTarget ->
@@ -121,10 +116,6 @@
                     mController::finishAnimationToApp);
         } else {
             Utilities.postAsyncCallback(MAIN_EXECUTOR.getHandler(), () -> {
-                if (Utilities.IS_RUNNING_IN_TEST_HARNESS) {
-                    Log.d(TestProtocol.L3_SWIPE_TO_HOME,
-                            "RecentsAnimationCallbacks.onAnimationStart callback");
-                }
                 for (RecentsAnimationListener listener : getListeners()) {
                     listener.onRecentsAnimationStart(mController, targets);
                 }
diff --git a/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java b/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java
index ebe46fe..d188018 100644
--- a/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java
+++ b/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java
@@ -80,7 +80,7 @@
     protected boolean mIsSwipeForStagedSplit;
 
     public SwipeUpAnimationLogic(Context context, RecentsAnimationDeviceState deviceState,
-            GestureState gestureState, TransformParams transformParams) {
+            GestureState gestureState) {
         mContext = context;
         mDeviceState = deviceState;
         mGestureState = gestureState;
diff --git a/quickstep/src/com/android/quickstep/inputconsumers/OtherActivityInputConsumer.java b/quickstep/src/com/android/quickstep/inputconsumers/OtherActivityInputConsumer.java
index e6285f2..725c7c4 100644
--- a/quickstep/src/com/android/quickstep/inputconsumers/OtherActivityInputConsumer.java
+++ b/quickstep/src/com/android/quickstep/inputconsumers/OtherActivityInputConsumer.java
@@ -50,7 +50,6 @@
 import androidx.annotation.UiThread;
 
 import com.android.launcher3.R;
-import com.android.launcher3.Utilities;
 import com.android.launcher3.testing.TestLogging;
 import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.tracing.InputConsumerProto;
@@ -357,9 +356,6 @@
             }
             case ACTION_CANCEL:
             case ACTION_UP: {
-                if (Utilities.IS_RUNNING_IN_TEST_HARNESS) {
-                    Log.d(TestProtocol.L3_SWIPE_TO_HOME, "1");
-                }
                 if (DEBUG_FAILED_QUICKSWITCH && !mPassedWindowMoveSlop) {
                     float displacementX = mLastPos.x - mDownPos.x;
                     float displacementY = mLastPos.y - mDownPos.y;
@@ -413,9 +409,6 @@
      * the animation can still be running.
      */
     private void finishTouchTracking(MotionEvent ev) {
-        if (Utilities.IS_RUNNING_IN_TEST_HARNESS) {
-            Log.d(TestProtocol.L3_SWIPE_TO_HOME, "2");
-        }
         Object traceToken = TraceHelper.INSTANCE.beginSection(UP_EVT,
                 FLAG_CHECK_FOR_RACE_CONDITIONS);
 
diff --git a/quickstep/src/com/android/quickstep/interaction/SwipeUpGestureTutorialController.java b/quickstep/src/com/android/quickstep/interaction/SwipeUpGestureTutorialController.java
index 1f75936..ce8047e 100644
--- a/quickstep/src/com/android/quickstep/interaction/SwipeUpGestureTutorialController.java
+++ b/quickstep/src/com/android/quickstep/interaction/SwipeUpGestureTutorialController.java
@@ -50,6 +50,7 @@
 import com.android.quickstep.GestureState;
 import com.android.quickstep.OverviewComponentObserver;
 import com.android.quickstep.RecentsAnimationDeviceState;
+import com.android.quickstep.RemoteTargetGluer;
 import com.android.quickstep.SwipeUpAnimationLogic;
 import com.android.quickstep.SwipeUpAnimationLogic.RunningWindowAnim;
 import com.android.quickstep.util.AppCloseConfig;
@@ -254,7 +255,9 @@
 
         ViewSwipeUpAnimation(Context context, RecentsAnimationDeviceState deviceState,
                              GestureState gestureState) {
-            super(context, deviceState, gestureState, new FakeTransformParams());
+            super(context, deviceState, gestureState);
+            mRemoteTargetHandles[0] = new RemoteTargetGluer.RemoteTargetHandle(
+                    mRemoteTargetHandles[0].getTaskViewSimulator(), new FakeTransformParams());
         }
 
         void initDp(DeviceProfile dp) {
diff --git a/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java b/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java
index 7893f8d..676161e 100644
--- a/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java
+++ b/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java
@@ -58,6 +58,7 @@
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.util.Executors;
 import com.android.launcher3.util.LogConfig;
+import com.android.launcher3.views.ActivityContext;
 import com.android.systemui.shared.system.InteractionJankMonitorWrapper;
 import com.android.systemui.shared.system.SysUiStatsLog;
 
@@ -99,7 +100,7 @@
 
     @Override
     protected StatsLogger createLogger() {
-        return new StatsCompatLogger(mContext);
+        return new StatsCompatLogger(mContext, mActivityContext);
     }
 
     /**
@@ -173,7 +174,8 @@
 
         private static final ItemInfo DEFAULT_ITEM_INFO = new ItemInfo();
 
-        private Context mContext;
+        private final Context mContext;
+        private final Optional<ActivityContext> mActivityContext;
         private ItemInfo mItemInfo = DEFAULT_ITEM_INFO;
         private InstanceId mInstanceId = DEFAULT_INSTANCE_ID;
         private OptionalInt mRank = OptionalInt.empty();
@@ -186,8 +188,9 @@
         private SliceItem mSliceItem;
         private LauncherAtom.Slice mSlice;
 
-        StatsCompatLogger(Context context) {
+        StatsCompatLogger(Context context, ActivityContext activityContext) {
             mContext = context;
+            mActivityContext = Optional.ofNullable(activityContext);
         }
 
         @Override
@@ -339,6 +342,9 @@
             mRank.ifPresent(itemInfoBuilder::setRank);
             mContainerInfo.ifPresent(itemInfoBuilder::setContainerInfo);
 
+            mActivityContext.ifPresent(activityContext ->
+                    activityContext.applyOverwritesToLogItem(itemInfoBuilder));
+
             if (mFromState.isPresent() || mToState.isPresent() || mEditText.isPresent()) {
                 FolderIcon.Builder folderIconBuilder = itemInfoBuilder
                         .getFolderIcon()
@@ -407,6 +413,8 @@
         switch (info.getContainerInfo().getContainerCase()) {
             case PREDICTED_HOTSEAT_CONTAINER:
                 return info.getContainerInfo().getPredictedHotseatContainer().getCardinality();
+            case TASK_BAR_CONTAINER:
+                return info.getContainerInfo().getTaskBarContainer().getCardinality();
             case SEARCH_RESULT_CONTAINER:
                 return info.getContainerInfo().getSearchResultContainer().getQueryLength();
             case EXTENDED_CONTAINERS:
@@ -493,6 +501,8 @@
                 return info.getContainerInfo().getHotseat().getIndex();
             case PREDICTED_HOTSEAT_CONTAINER:
                 return info.getContainerInfo().getPredictedHotseatContainer().getIndex();
+            case TASK_BAR_CONTAINER:
+                return info.getContainerInfo().getTaskBarContainer().getIndex();
             default:
                 return info.getContainerInfo().getWorkspace().getPageIndex();
         }
diff --git a/quickstep/src/com/android/quickstep/util/StaggeredWorkspaceAnim.java b/quickstep/src/com/android/quickstep/util/StaggeredWorkspaceAnim.java
index ccc587c..44396fa 100644
--- a/quickstep/src/com/android/quickstep/util/StaggeredWorkspaceAnim.java
+++ b/quickstep/src/com/android/quickstep/util/StaggeredWorkspaceAnim.java
@@ -197,7 +197,7 @@
         launcher.getStateManager().createAtomicAnimation(BACKGROUND_APP, NORMAL, config).start();
 
         // Stop scrolling so that it doesn't interfere with the translation offscreen.
-        launcher.<RecentsView>getOverviewPanel().getScroller().forceFinished(true);
+        launcher.<RecentsView>getOverviewPanel().forceFinishScroller();
 
         if (animateOverviewScrim) {
             launcher.getWorkspace().getStateTransitionAnimation()
diff --git a/quickstep/src/com/android/quickstep/util/WorkspaceRevealAnim.java b/quickstep/src/com/android/quickstep/util/WorkspaceRevealAnim.java
index df94d0b..7ae6cb7 100644
--- a/quickstep/src/com/android/quickstep/util/WorkspaceRevealAnim.java
+++ b/quickstep/src/com/android/quickstep/util/WorkspaceRevealAnim.java
@@ -120,7 +120,7 @@
         launcher.getStateManager().createAtomicAnimation(BACKGROUND_APP, NORMAL, config).start();
 
         // Stop scrolling so that it doesn't interfere with the translation offscreen.
-        launcher.<RecentsView>getOverviewPanel().getScroller().forceFinished(true);
+        launcher.<RecentsView>getOverviewPanel().forceFinishScroller();
 
         if (animateOverviewScrim) {
             launcher.getWorkspace().getStateTransitionAnimation()
diff --git a/quickstep/src/com/android/quickstep/views/GroupedTaskView.java b/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
index 8562719..16303f3 100644
--- a/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
+++ b/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
@@ -31,6 +31,7 @@
     private Task mSecondaryTask;
     private TaskThumbnailView mSnapshotView2;
     private CancellableTask mThumbnailLoadRequest2;
+    private SplitConfigurationOptions.StagedSplitBounds mSplitBoundsConfig;
 
     public GroupedTaskView(Context context) {
         super(context);
@@ -57,7 +58,7 @@
         mTaskIdContainer[1] = secondary.key.id;
         mTaskIdAttributeContainer[1] = new TaskIdAttributeContainer(secondary, mSnapshotView2);
         mSnapshotView2.bind(secondary);
-        adjustThumbnailBoundsForSplit(splitBoundsConfig, orientedState);
+        mSplitBoundsConfig = splitBoundsConfig;
     }
 
     @Override
@@ -121,6 +122,21 @@
     public void onRecycle() {
         super.onRecycle();
         mSnapshotView2.setThumbnail(mSecondaryTask, null);
+        mSplitBoundsConfig = null;
+    }
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+        int widthSize = MeasureSpec.getSize(widthMeasureSpec);
+        int heightSize = MeasureSpec.getSize(heightMeasureSpec);
+        setMeasuredDimension(widthSize, heightSize);
+        if (mSplitBoundsConfig == null || mSnapshotView == null || mSnapshotView2 == null) {
+            return;
+        }
+        getPagedOrientationHandler().measureGroupedTaskViewThumbnailBounds(mSnapshotView,
+                mSnapshotView2, widthSize, heightSize, mSplitBoundsConfig,
+                mActivity.getDeviceProfile());
     }
 
     @Override
@@ -128,16 +144,4 @@
         super.setOverlayEnabled(overlayEnabled);
         mSnapshotView2.setOverlayEnabled(overlayEnabled);
     }
-
-    private void adjustThumbnailBoundsForSplit(
-            SplitConfigurationOptions.StagedSplitBounds splitBoundsConfig,
-            RecentsOrientedState orientedState) {
-        if (splitBoundsConfig == null) {
-            return;
-        }
-
-        orientedState.getOrientationHandler().setGroupedTaskViewThumbnailBounds(
-                mSnapshotView, mSnapshotView2, this, splitBoundsConfig,
-                mActivity.getDeviceProfile());
-    }
 }
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index 3ed7b06..5fa95f4 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -2059,10 +2059,10 @@
         int runningIndex = getCurrentPage();
         AnimatorSet as = new AnimatorSet();
         for (int i = 0; i < getTaskViewCount(); i++) {
-            if (runningIndex == i) {
+            View taskView = getTaskViewAt(i);
+            if (runningIndex == i && taskView.getAlpha() != 0) {
                 continue;
             }
-            View taskView = getTaskViewAt(i);
             as.play(ObjectAnimator.ofFloat(taskView, View.ALPHA, fadeInChildren ? 0 : 1));
         }
         return as;
diff --git a/quickstep/tests/src/com/android/quickstep/FallbackRecentsTest.java b/quickstep/tests/src/com/android/quickstep/FallbackRecentsTest.java
index 45e7e69..cba4833 100644
--- a/quickstep/tests/src/com/android/quickstep/FallbackRecentsTest.java
+++ b/quickstep/tests/src/com/android/quickstep/FallbackRecentsTest.java
@@ -42,7 +42,6 @@
 import android.content.Intent;
 import android.content.pm.ActivityInfo;
 import android.os.RemoteException;
-import android.util.Log;
 
 import androidx.test.filters.LargeTest;
 import androidx.test.runner.AndroidJUnit4;
@@ -56,7 +55,6 @@
 import com.android.launcher3.tapl.OverviewTask;
 import com.android.launcher3.tapl.TestHelpers;
 import com.android.launcher3.testcomponent.TestCommandReceiver;
-import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.util.Wait;
 import com.android.launcher3.util.rule.FailureWatcher;
 import com.android.quickstep.views.RecentsView;
@@ -188,15 +186,9 @@
 
     protected <T> T getFromRecents(Function<RecentsActivity, T> f) {
         if (!TestHelpers.isInLauncherProcess()) return null;
-        if (TestProtocol.sDebugTracing) {
-            Log.d(TestProtocol.FALLBACK_ACTIVITY_NO_SET, "getFromRecents");
-        }
         Object[] result = new Object[1];
         Wait.atMost("Failed to get from recents", () -> MAIN_EXECUTOR.submit(() -> {
             RecentsActivity activity = RecentsActivity.ACTIVITY_TRACKER.getCreatedActivity();
-            if (TestProtocol.sDebugTracing) {
-                Log.d(TestProtocol.FALLBACK_ACTIVITY_NO_SET, "activity=" + activity);
-            }
             if (activity == null) {
                 return false;
             }
diff --git a/src/com/android/launcher3/AbstractFloatingView.java b/src/com/android/launcher3/AbstractFloatingView.java
index e080537..e3cfb59 100644
--- a/src/com/android/launcher3/AbstractFloatingView.java
+++ b/src/com/android/launcher3/AbstractFloatingView.java
@@ -195,10 +195,24 @@
     }
 
     /**
-     * Returns a view matching FloatingViewType
+     * Returns a view matching FloatingViewType and {@link #isOpen()} == true.
      */
     public static <T extends AbstractFloatingView> T getOpenView(
             ActivityContext activity, @FloatingViewType int type) {
+        return getView(activity, type, true /* mustBeOpen */);
+    }
+
+    /**
+     * Returns a view matching FloatingViewType, and {@link #isOpen()} may be false (if animating
+     * closed).
+     */
+    public static <T extends AbstractFloatingView> T getAnyView(
+            ActivityContext activity, @FloatingViewType int type) {
+        return getView(activity, type, false /* mustBeOpen */);
+    }
+
+    private static <T extends AbstractFloatingView> T getView(
+            ActivityContext activity, @FloatingViewType int type, boolean mustBeOpen) {
         BaseDragLayer dragLayer = activity.getDragLayer();
         if (dragLayer == null) return null;
         // Iterate in reverse order. AbstractFloatingView is added later to the dragLayer,
@@ -207,7 +221,7 @@
             View child = dragLayer.getChildAt(i);
             if (child instanceof AbstractFloatingView) {
                 AbstractFloatingView view = (AbstractFloatingView) child;
-                if (view.isOfType(type) && view.isOpen()) {
+                if (view.isOfType(type) && (!mustBeOpen || view.isOpen())) {
                     return (T) view;
                 }
             }
diff --git a/src/com/android/launcher3/BaseDraggingActivity.java b/src/com/android/launcher3/BaseDraggingActivity.java
index 2c76e52..7954011 100644
--- a/src/com/android/launcher3/BaseDraggingActivity.java
+++ b/src/com/android/launcher3/BaseDraggingActivity.java
@@ -55,6 +55,7 @@
 import com.android.launcher3.allapps.search.SearchAdapterProvider;
 import com.android.launcher3.logging.InstanceId;
 import com.android.launcher3.logging.InstanceIdSequence;
+import com.android.launcher3.logging.StatsLogManager;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
 import com.android.launcher3.touch.ItemClickHandler;
@@ -224,7 +225,7 @@
             }
             if (item != null) {
                 InstanceId instanceId = new InstanceIdSequence().newInstanceId();
-                logAppLaunch(item, instanceId);
+                logAppLaunch(getStatsLogManager(), item, instanceId);
             }
             return true;
         } catch (NullPointerException | ActivityNotFoundException | SecurityException e) {
@@ -234,8 +235,12 @@
         return false;
     }
 
-    protected void logAppLaunch(ItemInfo info, InstanceId instanceId) {
-        getStatsLogManager().logger().withItemInfo(info).withInstanceId(instanceId)
+    /**
+     * Creates and logs a new app launch event.
+     */
+    public void logAppLaunch(StatsLogManager statsLogManager, ItemInfo info,
+            InstanceId instanceId) {
+        statsLogManager.logger().withItemInfo(info).withInstanceId(instanceId)
                 .log(LAUNCHER_APP_LAUNCH_TAP);
     }
 
diff --git a/src/com/android/launcher3/ExtendedEditText.java b/src/com/android/launcher3/ExtendedEditText.java
index 21bc479..92432a8 100644
--- a/src/com/android/launcher3/ExtendedEditText.java
+++ b/src/com/android/launcher3/ExtendedEditText.java
@@ -26,7 +26,6 @@
 import android.view.inputmethod.InputMethodManager;
 import android.widget.EditText;
 
-import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.views.ActivityContext;
 
 
@@ -99,18 +98,6 @@
         }
     }
 
-    /**
-     * Sets whether EditText background should be visible
-     * @param maxAlpha defines the maximum alpha the background should animates to
-     */
-    public void setBackgroundVisibility(boolean visible, float maxAlpha) {}
-
-    /**
-     * Returns whether a visible background is set on EditText
-     */
-    public boolean getBackgroundVisibility() {
-        return getBackground() != null;
-    }
 
     public void showKeyboard() {
         mShowImeAfterFirstLayout = !showSoftInput();
@@ -150,9 +137,6 @@
         if (!TextUtils.isEmpty(getText())) {
             setText("");
         }
-        if (FeatureFlags.ENABLE_DEVICE_SEARCH.get()) {
-            return;
-        }
         if (isFocused()) {
             View nextFocus = focusSearch(View.FOCUS_DOWN);
             if (nextFocus != null) {
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index ed9f044..85dd3b3 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -87,6 +87,7 @@
 import android.os.Process;
 import android.os.StrictMode;
 import android.os.SystemClock;
+import android.os.Trace;
 import android.text.TextUtils;
 import android.text.method.TextKeyListener;
 import android.util.Log;
@@ -280,6 +281,11 @@
 
     private static final int THEME_CROSS_FADE_ANIMATION_DURATION = 375;
 
+    private static final String DISPLAY_WORKSPACE_TRACE_METHOD_NAME = "DisplayWorkspaceFirstFrame";
+    private static final String DISPLAY_ALL_APPS_TRACE_METHOD_NAME = "DisplayAllApps";
+    public static final int DISPLAY_WORKSPACE_TRACE_COOKIE = 0;
+    public static final int DISPLAY_ALL_APPS_TRACE_COOKIE = 1;
+
     private Configuration mOldConfig;
 
     @Thunk
@@ -366,7 +372,15 @@
     private LauncherState mPrevLauncherState;
 
     @Override
+    @TargetApi(Build.VERSION_CODES.S)
     protected void onCreate(Bundle savedInstanceState) {
+        // Only use a hard-coded cookie since we only want to trace this once.
+        if (Utilities.ATLEAST_S) {
+            Trace.beginAsyncSection(
+                    DISPLAY_WORKSPACE_TRACE_METHOD_NAME, DISPLAY_WORKSPACE_TRACE_COOKIE);
+            Trace.beginAsyncSection(DISPLAY_ALL_APPS_TRACE_METHOD_NAME,
+                    DISPLAY_ALL_APPS_TRACE_COOKIE);
+        }
         Object traceToken = TraceHelper.INSTANCE.beginSection(ON_CREATE_EVT,
                 TraceHelper.FLAG_UI_EVENT);
         if (DEBUG_STRICT_MODE) {
@@ -2584,6 +2598,7 @@
     }
 
     @Override
+    @TargetApi(Build.VERSION_CODES.S)
     public void onInitialBindComplete(IntSet boundPages, RunnableList pendingTasks) {
         mSynchronouslyBoundPages = boundPages;
         mPagesToBindSynchronously = new IntSet();
@@ -2606,6 +2621,10 @@
             executor.onLoadAnimationCompleted();
         }
         executor.attachTo(this);
+        if (Utilities.ATLEAST_S) {
+            Trace.endAsyncSection(DISPLAY_WORKSPACE_TRACE_METHOD_NAME,
+                    DISPLAY_WORKSPACE_TRACE_COOKIE);
+        }
     }
 
     /**
@@ -2669,9 +2688,14 @@
      * Implementation of the method from LauncherModel.Callbacks.
      */
     @Override
+    @TargetApi(Build.VERSION_CODES.S)
     public void bindAllApplications(AppInfo[] apps, int flags) {
         mAppsView.getAppsStore().setApps(apps, flags);
         PopupContainerWithArrow.dismissInvalidPopup(this);
+        if (Utilities.ATLEAST_S) {
+            Trace.endAsyncSection(DISPLAY_ALL_APPS_TRACE_METHOD_NAME,
+                    DISPLAY_ALL_APPS_TRACE_COOKIE);
+        }
     }
 
     /**
diff --git a/src/com/android/launcher3/PagedView.java b/src/com/android/launcher3/PagedView.java
index 108091c..a7198a8 100644
--- a/src/com/android/launcher3/PagedView.java
+++ b/src/com/android/launcher3/PagedView.java
@@ -254,7 +254,7 @@
         }
         mOrientationHandler.set(this, VIEW_SCROLL_TO, newPosition);
         mScroller.startScroll(mScroller.getCurrX(), 0, newPosition - mScroller.getCurrX(), 0);
-        forceFinishScroller(true);
+        forceFinishScroller();
     }
 
     /**
@@ -276,14 +276,16 @@
         }
     }
 
-    private void forceFinishScroller(boolean resetNextPage) {
+    /**
+     * Immediately finishes any in-progress scroll, maintaining the current position. Also sets
+     * mNextPage = INVALID_PAGE and calls pageEndTransition().
+     */
+    public void forceFinishScroller() {
         mScroller.forceFinished(true);
         // We need to clean up the next page here to avoid computeScrollHelper from
         // updating current page on the pass.
-        if (resetNextPage) {
-            mNextPage = INVALID_PAGE;
-            pageEndTransition();
-        }
+        mNextPage = INVALID_PAGE;
+        pageEndTransition();
     }
 
     private int validateNewPage(int newPage) {
diff --git a/src/com/android/launcher3/allapps/AllAppsContainerView.java b/src/com/android/launcher3/allapps/AllAppsContainerView.java
index e779ee8..ee5f7e4 100644
--- a/src/com/android/launcher3/allapps/AllAppsContainerView.java
+++ b/src/com/android/launcher3/allapps/AllAppsContainerView.java
@@ -59,7 +59,6 @@
 import com.android.launcher3.DeviceProfile.OnDeviceProfileChangeListener;
 import com.android.launcher3.DragSource;
 import com.android.launcher3.DropTarget.DragObject;
-import com.android.launcher3.ExtendedEditText;
 import com.android.launcher3.Insettable;
 import com.android.launcher3.InsettableFrameLayout;
 import com.android.launcher3.R;
@@ -624,6 +623,9 @@
         for (int i = 0; i < mAH.length; i++) {
             mAH[i].padding.top = padding;
             mAH[i].applyPadding();
+            if (mAH[i].recyclerView != null) {
+                mAH[i].recyclerView.scrollToTop();
+            }
         }
         mHeaderTop = mHeader.getTop();
     }
@@ -639,6 +641,7 @@
 
     public void onClearSearchResult() {
         mIsSearching = false;
+        mHeader.setCollapsed(false);
         rebindAdapters();
         getActiveRecyclerView().scrollToTop();
     }
@@ -814,14 +817,13 @@
             invalidateHeader();
         }
         if (mSearchUiManager.getEditText() != null) {
-            ExtendedEditText editText = mSearchUiManager.getEditText();
-            boolean bgVisible = editText.getBackgroundVisibility();
+            boolean bgVisible = mSearchUiManager.getBackgroundVisibility();
             if (scrolledOffset == 0 && !mIsSearching) {
                 bgVisible = true;
             } else if (scrolledOffset > mHeaderThreshold) {
                 bgVisible = false;
             }
-            editText.setBackgroundVisibility(bgVisible, 1 - prog);
+            mSearchUiManager.setBackgroundVisibility(bgVisible, 1 - prog);
         }
     }
 
diff --git a/src/com/android/launcher3/allapps/FloatingHeaderRow.java b/src/com/android/launcher3/allapps/FloatingHeaderRow.java
index 9bf6043..6ff2132 100644
--- a/src/com/android/launcher3/allapps/FloatingHeaderRow.java
+++ b/src/com/android/launcher3/allapps/FloatingHeaderRow.java
@@ -47,6 +47,8 @@
 
     /**
      * Scrolls the content vertically.
+     * @param scroll scrolled distance in pixels for active recyclerview.
+     * @param isScrolledOut bool to determine if row is scrolled out of view
      */
     void setVerticalScroll(int scroll, boolean isScrolledOut);
 
diff --git a/src/com/android/launcher3/allapps/SearchUiManager.java b/src/com/android/launcher3/allapps/SearchUiManager.java
index 924a392..7478b53 100644
--- a/src/com/android/launcher3/allapps/SearchUiManager.java
+++ b/src/com/android/launcher3/allapps/SearchUiManager.java
@@ -49,6 +49,19 @@
     ExtendedEditText getEditText();
 
     /**
+     * Sets whether EditText background should be visible
+     * @param maxAlpha defines the maximum alpha the background should animates to
+     */
+    default void setBackgroundVisibility(boolean visible, float maxAlpha) {}
+
+    /**
+     * Returns whether a visible background is set on EditText
+     */
+    default boolean getBackgroundVisibility() {
+        return false;
+    }
+
+    /**
      * sets highlight result's title
      */
     default void setFocusedResultTitle(@Nullable  CharSequence title) { }
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index f091262..382f7a7 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -147,6 +147,11 @@
     public static final BooleanFlag ENABLE_THEMED_ICONS = getDebugFlag(
             "ENABLE_THEMED_ICONS", true, "Enable themed icons on workspace");
 
+    public static final BooleanFlag ENABLE_BULK_WORKSPACE_ICON_LOADING = getDebugFlag(
+            "ENABLE_BULK_WORKSPACE_ICON_LOADING",
+            false,
+            "Enable loading workspace icons in bulk.");
+
     // Keep as DeviceFlag for remote disable in emergency.
     public static final BooleanFlag ENABLE_OVERVIEW_SELECTIONS = new DeviceFlag(
             "ENABLE_OVERVIEW_SELECTIONS", true, "Show Select Mode button in Overview Actions");
diff --git a/src/com/android/launcher3/icons/IconCache.java b/src/com/android/launcher3/icons/IconCache.java
index 1a468ae..60d6e83 100644
--- a/src/com/android/launcher3/icons/IconCache.java
+++ b/src/com/android/launcher3/icons/IconCache.java
@@ -19,6 +19,8 @@
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
 
+import static java.util.stream.Collectors.groupingBy;
+
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
@@ -30,10 +32,15 @@
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.pm.ShortcutInfo;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteException;
 import android.graphics.drawable.Drawable;
 import android.os.Process;
+import android.os.Trace;
 import android.os.UserHandle;
+import android.text.TextUtils;
 import android.util.Log;
+import android.util.Pair;
 
 import androidx.annotation.NonNull;
 
@@ -47,6 +54,7 @@
 import com.android.launcher3.icons.cache.CachingLogic;
 import com.android.launcher3.icons.cache.HandlerRunnable;
 import com.android.launcher3.model.data.AppInfo;
+import com.android.launcher3.model.data.IconRequestInfo;
 import com.android.launcher3.model.data.ItemInfoWithIcon;
 import com.android.launcher3.model.data.PackageItemInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
@@ -56,8 +64,13 @@
 import com.android.launcher3.util.PackageUserKey;
 import com.android.launcher3.util.Preconditions;
 
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
 import java.util.function.Predicate;
 import java.util.function.Supplier;
+import java.util.stream.Stream;
 
 /**
  * Cache of application icons.  Icons can be made from any thread.
@@ -306,6 +319,87 @@
         applyCacheEntry(entry, infoInOut);
     }
 
+    /**
+     * Creates an sql cursor for a query of a set of ItemInfoWithIcon icons and titles.
+     *
+     * @param iconRequestInfos List of IconRequestInfos representing titles and icons to query.
+     * @param user UserHandle all the given iconRequestInfos share
+     * @param useLowResIcons whether we should exclude the icon column from the sql results.
+     */
+    private <T extends ItemInfoWithIcon> Cursor createBulkQueryCursor(
+            List<IconRequestInfo<T>> iconRequestInfos, UserHandle user, boolean useLowResIcons)
+            throws SQLiteException {
+        String[] queryParams = Stream.concat(
+                iconRequestInfos.stream()
+                        .map(r -> r.itemInfo.getTargetComponent())
+                        .filter(Objects::nonNull)
+                        .distinct()
+                        .map(ComponentName::flattenToString),
+                Stream.of(Long.toString(getSerialNumberForUser(user)))).toArray(String[]::new);
+        String componentNameQuery = TextUtils.join(
+                ",", Collections.nCopies(queryParams.length - 1, "?"));
+
+        return mIconDb.query(
+                useLowResIcons ? IconDB.COLUMNS_LOW_RES : IconDB.COLUMNS_HIGH_RES,
+                IconDB.COLUMN_COMPONENT
+                        + " IN ( " + componentNameQuery + " )"
+                        + " AND " + IconDB.COLUMN_USER + " = ?",
+                queryParams);
+    }
+
+    /**
+     * Load and fill icons requested in iconRequestInfos using a single bulk sql query.
+     */
+    public synchronized <T extends ItemInfoWithIcon> void getTitlesAndIconsInBulk(
+            List<IconRequestInfo<T>> iconRequestInfos) {
+        Map<Pair<UserHandle, Boolean>, List<IconRequestInfo<T>>> iconLoadSubsectionsMap =
+                iconRequestInfos.stream()
+                        .collect(groupingBy(iconRequest ->
+                                Pair.create(iconRequest.itemInfo.user, iconRequest.useLowResIcon)));
+
+        Trace.beginSection("loadIconsInBulk");
+        iconLoadSubsectionsMap.forEach((sectionKey, filteredList) -> {
+            Map<ComponentName, List<IconRequestInfo<T>>> duplicateIconRequestsMap =
+                    filteredList.stream()
+                            .collect(groupingBy(iconRequest ->
+                                    iconRequest.itemInfo.getTargetComponent()));
+
+            Trace.beginSection("loadIconSubsectionInBulk");
+            try (Cursor c = createBulkQueryCursor(
+                    filteredList,
+                    /* user = */ sectionKey.first,
+                    /* useLowResIcons = */ sectionKey.second)) {
+                int componentNameColumnIndex = c.getColumnIndexOrThrow(IconDB.COLUMN_COMPONENT);
+                while (c.moveToNext()) {
+                    ComponentName cn = ComponentName.unflattenFromString(
+                            c.getString(componentNameColumnIndex));
+                    List<IconRequestInfo<T>> duplicateIconRequests =
+                            duplicateIconRequestsMap.get(cn);
+
+                    if (cn != null) {
+                        CacheEntry entry = cacheLocked(
+                                cn,
+                                /* user = */ sectionKey.first,
+                                () -> duplicateIconRequests.get(0).launcherActivityInfo,
+                                mLauncherActivityInfoCachingLogic,
+                                c,
+                                /* usePackageIcon= */ false,
+                                /* useLowResIcons = */ sectionKey.second);
+
+                        for (IconRequestInfo<T> iconRequest : duplicateIconRequests) {
+                            applyCacheEntry(entry, iconRequest.itemInfo);
+                        }
+                    }
+                }
+            } catch (SQLiteException e) {
+                Log.d(TAG, "Error reading icon cache", e);
+            } finally {
+                Trace.endSection();
+            }
+        });
+        Trace.endSection();
+    }
+
 
     /**
      * Fill in {@param infoInOut} with the corresponding icon and label.
diff --git a/src/com/android/launcher3/logging/InstanceId.java b/src/com/android/launcher3/logging/InstanceId.java
index e720d75..3c4a644 100644
--- a/src/com/android/launcher3/logging/InstanceId.java
+++ b/src/com/android/launcher3/logging/InstanceId.java
@@ -36,10 +36,10 @@
  */
 public final class InstanceId implements Parcelable {
     // At most 20 bits: ~1m possibilities, ~0.5% probability of collision in 100 values
-    static final int INSTANCE_ID_MAX = 1 << 20;
+    public static final int INSTANCE_ID_MAX = 1 << 20;
 
     private final int mId;
-    InstanceId(int id) {
+    public InstanceId(int id) {
         mId = min(max(0, id), INSTANCE_ID_MAX);
     }
 
diff --git a/src/com/android/launcher3/logging/StatsLogManager.java b/src/com/android/launcher3/logging/StatsLogManager.java
index 5ed651f..d987212 100644
--- a/src/com/android/launcher3/logging/StatsLogManager.java
+++ b/src/com/android/launcher3/logging/StatsLogManager.java
@@ -33,6 +33,7 @@
 import com.android.launcher3.logger.LauncherAtom.ToState;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.util.ResourceBasedOverride;
+import com.android.launcher3.views.ActivityContext;
 
 /**
  * Handles the user event logging in R+.
@@ -53,6 +54,9 @@
     public static final int LAUNCHER_STATE_UNCHANGED = 5;
 
     private InstanceId mInstanceId;
+
+    protected @Nullable ActivityContext mActivityContext = null;
+
     /**
      * Returns event enum based on the two state transition information when swipe
      * gesture happens(to be removed during UserEventDispatcher cleanup).
@@ -281,6 +285,9 @@
         @UiEvent(doc = "User tapped on the share button on overview")
         LAUNCHER_OVERVIEW_ACTIONS_SHARE(582),
 
+        @UiEvent(doc = "User tapped on the split screen button on overview")
+        LAUNCHER_OVERVIEW_ACTIONS_SPLIT(895),
+
         @UiEvent(doc = "User tapped on the close button in select mode")
         LAUNCHER_SELECT_MODE_CLOSE(583),
 
@@ -505,7 +512,13 @@
         LAUNCHER_TURN_OFF_WORK_APPS_TAP(839),
 
         @UiEvent(doc = "Launcher item drop failed since there was not enough room on the screen.")
-        LAUNCHER_ITEM_DROP_FAILED_INSUFFICIENT_SPACE(872);
+        LAUNCHER_ITEM_DROP_FAILED_INSUFFICIENT_SPACE(872),
+
+        @UiEvent(doc = "User long pressed on the taskbar background to hide the taskbar")
+        LAUNCHER_TASKBAR_LONGPRESS_HIDE(896),
+
+        @UiEvent(doc = "User long pressed on the taskbar gesture handle to show the taskbar")
+        LAUNCHER_TASKBAR_LONGPRESS_SHOW(897);
 
         // ADD MORE
 
@@ -645,7 +658,7 @@
     public StatsLogger logger() {
         StatsLogger logger = createLogger();
         if (mInstanceId != null) {
-            return logger.withInstanceId(mInstanceId);
+            logger.withInstanceId(mInstanceId);
         }
         return logger;
     }
@@ -668,7 +681,9 @@
      * Creates a new instance of {@link StatsLogManager} based on provided context.
      */
     public static StatsLogManager newInstance(Context context) {
-        return Overrides.getObject(StatsLogManager.class,
+        StatsLogManager manager = Overrides.getObject(StatsLogManager.class,
                 context.getApplicationContext(), R.string.stats_log_manager_class);
+        manager.mActivityContext = ActivityContext.lookupContextNoThrow(context);
+        return manager;
     }
 }
diff --git a/src/com/android/launcher3/model/DeviceGridState.java b/src/com/android/launcher3/model/DeviceGridState.java
index e2df16d..0fc4c2d 100644
--- a/src/com/android/launcher3/model/DeviceGridState.java
+++ b/src/com/android/launcher3/model/DeviceGridState.java
@@ -119,12 +119,23 @@
     }
 
     @Override
-    public boolean equals(Object o) {
-        if (this == o) return true;
-        if (o == null || getClass() != o.getClass()) return false;
-        DeviceGridState that = (DeviceGridState) o;
-        return mNumHotseat == that.mNumHotseat
-                && deviceTypeCompatible(mDeviceType, that.mDeviceType)
-                && Objects.equals(mGridSizeString, that.mGridSizeString);
+    public String toString() {
+        return "DeviceGridState{"
+                + "mGridSizeString='" + mGridSizeString + '\''
+                + ", mNumHotseat=" + mNumHotseat
+                + ", mDeviceType=" + mDeviceType
+                + '}';
+    }
+
+    /**
+     * Returns true if the database from another DeviceGridState can be loaded into the current
+     * DeviceGridState without migration, or false otherwise.
+     */
+    public boolean isCompatible(DeviceGridState other) {
+        if (this == other) return true;
+        if (other == null) return false;
+        return mNumHotseat == other.mNumHotseat
+                && deviceTypeCompatible(mDeviceType, other.mDeviceType)
+                && Objects.equals(mGridSizeString, other.mGridSizeString);
     }
 }
diff --git a/src/com/android/launcher3/model/GridSizeMigrationTaskV2.java b/src/com/android/launcher3/model/GridSizeMigrationTaskV2.java
index e7d0749..fc86cf8 100644
--- a/src/com/android/launcher3/model/GridSizeMigrationTaskV2.java
+++ b/src/com/android/launcher3/model/GridSizeMigrationTaskV2.java
@@ -103,7 +103,13 @@
      * Check given a new IDP, if migration is necessary.
      */
     public static boolean needsToMigrate(Context context, InvariantDeviceProfile idp) {
-        return !new DeviceGridState(idp).equals(new DeviceGridState(context));
+        DeviceGridState idpGridState = new DeviceGridState(idp);
+        DeviceGridState contextGridState = new DeviceGridState(context);
+        boolean needsToMigrate = !idpGridState.isCompatible(contextGridState);
+        // TODO: Revert this change after b/200010396 is fixed
+        Log.d(TAG, "Migration is needed. idpGridState: " + idpGridState
+                + ", contextGridState: " + contextGridState);
+        return needsToMigrate;
     }
 
     /** See {@link #migrateGridIfNeeded(Context, InvariantDeviceProfile)} */
diff --git a/src/com/android/launcher3/model/LoaderCursor.java b/src/com/android/launcher3/model/LoaderCursor.java
index 7e3bcee..8a5a9bf 100644
--- a/src/com/android/launcher3/model/LoaderCursor.java
+++ b/src/com/android/launcher3/model/LoaderCursor.java
@@ -16,13 +16,10 @@
 
 package com.android.launcher3.model;
 
-import static android.graphics.BitmapFactory.decodeByteArray;
-
 import android.content.ComponentName;
 import android.content.ContentValues;
 import android.content.Context;
 import android.content.Intent;
-import android.content.Intent.ShortcutIconResource;
 import android.content.pm.LauncherActivityInfo;
 import android.content.pm.LauncherApps;
 import android.content.pm.PackageManager;
@@ -45,11 +42,10 @@
 import com.android.launcher3.Utilities;
 import com.android.launcher3.Workspace;
 import com.android.launcher3.config.FeatureFlags;
-import com.android.launcher3.icons.BitmapInfo;
 import com.android.launcher3.icons.IconCache;
-import com.android.launcher3.icons.LauncherIcons;
 import com.android.launcher3.logging.FileLog;
 import com.android.launcher3.model.data.AppInfo;
+import com.android.launcher3.model.data.IconRequestInfo;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
 import com.android.launcher3.shortcuts.ShortcutKey;
@@ -184,32 +180,21 @@
      * Loads the icon from the cursor and updates the {@param info} if the icon is an app resource.
      */
     protected boolean loadIcon(WorkspaceItemInfo info) {
-        try (LauncherIcons li = LauncherIcons.obtain(mContext)) {
-            if (itemType == LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT) {
-                String packageName = getString(iconPackageIndex);
-                String resourceName = getString(iconResourceIndex);
-                if (!TextUtils.isEmpty(packageName) || !TextUtils.isEmpty(resourceName)) {
-                    info.iconResource = new ShortcutIconResource();
-                    info.iconResource.packageName = packageName;
-                    info.iconResource.resourceName = resourceName;
-                    BitmapInfo iconInfo = li.createIconBitmap(info.iconResource);
-                    if (iconInfo != null) {
-                        info.bitmap = iconInfo;
-                        return true;
-                    }
-                }
-            }
+        return createIconRequestInfo(info, false).loadWorkspaceIcon(mContext);
+    }
 
-            // Failed to load from resource, try loading from DB.
-            byte[] data = getBlob(iconIndex);
-            try {
-                info.bitmap = li.createIconBitmap(decodeByteArray(data, 0, data.length));
-                return true;
-            } catch (Exception e) {
-                Log.e(TAG, "Failed to decode byte array for info " + info, e);
-                return false;
-            }
-        }
+    public IconRequestInfo<WorkspaceItemInfo> createIconRequestInfo(
+            WorkspaceItemInfo wai, boolean useLowResIcon) {
+        String packageName = itemType == LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT
+                ? getString(iconPackageIndex) : null;
+        String resourceName = itemType == LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT
+                ? getString(iconResourceIndex) : null;
+        byte[] iconBlob = itemType == LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT
+                || restoreFlag != 0
+                ? getBlob(iconIndex) : null;
+
+        return new IconRequestInfo<>(
+                wai, mActivityInfo, packageName, resourceName, iconBlob, useLowResIcon);
     }
 
     /**
@@ -262,6 +247,11 @@
      */
     public WorkspaceItemInfo getAppShortcutInfo(
             Intent intent, boolean allowMissingTarget, boolean useLowResIcon) {
+        return getAppShortcutInfo(intent, allowMissingTarget, useLowResIcon, true);
+    }
+
+    public WorkspaceItemInfo getAppShortcutInfo(
+            Intent intent, boolean allowMissingTarget, boolean useLowResIcon, boolean loadIcon) {
         if (user == null) {
             Log.d(TAG, "Null user found in getShortcutInfo");
             return null;
@@ -288,9 +278,11 @@
         info.user = user;
         info.intent = newIntent;
 
-        mIconCache.getTitleAndIcon(info, mActivityInfo, useLowResIcon);
-        if (mIconCache.isDefaultIcon(info.bitmap, user)) {
-            loadIcon(info);
+        if (loadIcon) {
+            mIconCache.getTitleAndIcon(info, mActivityInfo, useLowResIcon);
+            if (mIconCache.isDefaultIcon(info.bitmap, user)) {
+                loadIcon(info);
+            }
         }
 
         if (mActivityInfo != null) {
diff --git a/src/com/android/launcher3/model/LoaderTask.java b/src/com/android/launcher3/model/LoaderTask.java
index f4a0eb8..1249606 100644
--- a/src/com/android/launcher3/model/LoaderTask.java
+++ b/src/com/android/launcher3/model/LoaderTask.java
@@ -43,6 +43,7 @@
 import android.graphics.Point;
 import android.net.Uri;
 import android.os.Bundle;
+import android.os.Trace;
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.text.TextUtils;
@@ -71,6 +72,7 @@
 import com.android.launcher3.logging.FileLog;
 import com.android.launcher3.model.data.AppInfo;
 import com.android.launcher3.model.data.FolderInfo;
+import com.android.launcher3.model.data.IconRequestInfo;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.ItemInfoWithIcon;
 import com.android.launcher3.model.data.LauncherAppWidgetInfo;
@@ -197,7 +199,12 @@
         TimingLogger logger = new TimingLogger(TAG, "run");
         try (LauncherModel.LoaderTransaction transaction = mApp.getModel().beginLoader(this)) {
             List<ShortcutInfo> allShortcuts = new ArrayList<>();
-            loadWorkspace(allShortcuts);
+            Trace.beginSection("LoadWorkspace");
+            try {
+                loadWorkspace(allShortcuts);
+            } finally {
+                Trace.endSection();
+            }
             logASplit(logger, "loadWorkspace");
 
             // Sanitize data re-syncs widgets/shortcuts based on the workspace loaded from db.
@@ -225,7 +232,13 @@
             verifyNotStopped();
 
             // second step
-            List<LauncherActivityInfo> allActivityList = loadAllApps();
+            Trace.beginSection("LoadAllApps");
+            List<LauncherActivityInfo> allActivityList;
+            try {
+               allActivityList = loadAllApps();
+            } finally {
+                Trace.endSection();
+            }
             logASplit(logger, "loadAllApps");
 
             verifyNotStopped();
@@ -408,6 +421,7 @@
                 LauncherAppWidgetProviderInfo widgetProviderInfo;
                 Intent intent;
                 String targetPkg;
+                List<IconRequestInfo<WorkspaceItemInfo>> iconRequestInfos = new ArrayList<>();
 
                 while (!mStopped && c.moveToNext()) {
                     try {
@@ -530,7 +544,10 @@
                             } else if (c.itemType ==
                                     LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) {
                                 info = c.getAppShortcutInfo(
-                                        intent, allowMissingTarget, useLowResIcon);
+                                        intent,
+                                        allowMissingTarget,
+                                        useLowResIcon,
+                                        !FeatureFlags.ENABLE_BULK_WORKSPACE_ICON_LOADING.get());
                             } else if (c.itemType ==
                                     LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
 
@@ -582,6 +599,8 @@
                             }
 
                             if (info != null) {
+                                iconRequestInfos.add(c.createIconRequestInfo(info, useLowResIcon));
+
                                 c.applyCommonProperties(info);
 
                                 info.intent = intent;
@@ -799,6 +818,21 @@
                         Log.e(TAG, "Desktop items loading interrupted", e);
                     }
                 }
+                if (FeatureFlags.ENABLE_BULK_WORKSPACE_ICON_LOADING.get()) {
+                    Trace.beginSection("LoadWorkspaceIconsInBulk");
+                    try {
+                        mIconCache.getTitlesAndIconsInBulk(iconRequestInfos);
+                        for (IconRequestInfo<WorkspaceItemInfo> iconRequestInfo :
+                                iconRequestInfos) {
+                            WorkspaceItemInfo wai = iconRequestInfo.itemInfo;
+                            if (mIconCache.isDefaultIcon(wai.bitmap, wai.user)) {
+                                iconRequestInfo.loadWorkspaceIcon(mApp.getContext());
+                            }
+                        }
+                    } finally {
+                        Trace.endSection();
+                    }
+                }
             } finally {
                 IOUtils.closeSilently(c);
             }
diff --git a/src/com/android/launcher3/model/data/IconRequestInfo.java b/src/com/android/launcher3/model/data/IconRequestInfo.java
new file mode 100644
index 0000000..2f566f6
--- /dev/null
+++ b/src/com/android/launcher3/model/data/IconRequestInfo.java
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3.model.data;
+
+import static android.graphics.BitmapFactory.decodeByteArray;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.LauncherActivityInfo;
+import android.text.TextUtils;
+import android.util.Log;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import com.android.launcher3.LauncherSettings;
+import com.android.launcher3.icons.BitmapInfo;
+import com.android.launcher3.icons.LauncherIcons;
+
+/**
+ * Class representing one request for an icon to be queried in a sql database.
+ *
+ * @param <T> ItemInfoWithIcon subclass whose title and icon can be loaded and filled by an sql
+ *           query.
+ */
+public class IconRequestInfo<T extends ItemInfoWithIcon> {
+
+    private static final String TAG = "IconRequestInfo";
+
+    @NonNull public final T itemInfo;
+    @Nullable public final LauncherActivityInfo launcherActivityInfo;
+    @Nullable public final String packageName;
+    @Nullable public final String resourceName;
+    @Nullable public final byte[] iconBlob;
+    public final boolean useLowResIcon;
+
+    public IconRequestInfo(
+            @NonNull T itemInfo,
+            @Nullable LauncherActivityInfo launcherActivityInfo,
+            @Nullable String packageName,
+            @Nullable String resourceName,
+            @Nullable byte[] iconBlob,
+            boolean useLowResIcon) {
+        this.itemInfo = itemInfo;
+        this.launcherActivityInfo = launcherActivityInfo;
+        this.packageName = packageName;
+        this.resourceName = resourceName;
+        this.iconBlob = iconBlob;
+        this.useLowResIcon = useLowResIcon;
+    }
+
+    /** Loads  */
+    public boolean loadWorkspaceIcon(Context context) {
+        if (!(itemInfo instanceof WorkspaceItemInfo)) {
+            throw new IllegalStateException(
+                    "loadWorkspaceIcon should only be use for a WorkspaceItemInfos: " + itemInfo);
+        }
+
+        try (LauncherIcons li = LauncherIcons.obtain(context)) {
+            WorkspaceItemInfo info = (WorkspaceItemInfo) itemInfo;
+            if (itemInfo.itemType == LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT) {
+                if (!TextUtils.isEmpty(packageName) || !TextUtils.isEmpty(resourceName)) {
+                    info.iconResource = new Intent.ShortcutIconResource();
+                    info.iconResource.packageName = packageName;
+                    info.iconResource.resourceName = resourceName;
+                    BitmapInfo iconInfo = li.createIconBitmap(info.iconResource);
+                    if (iconInfo != null) {
+                        info.bitmap = iconInfo;
+                        return true;
+                    }
+                }
+            }
+
+            // Failed to load from resource, try loading from DB.
+            try {
+                if (iconBlob == null) {
+                    return false;
+                }
+                info.bitmap = li.createIconBitmap(decodeByteArray(
+                        iconBlob, 0, iconBlob.length));
+                return true;
+            } catch (Exception e) {
+                Log.e(TAG, "Failed to decode byte array for info " + info, e);
+                return false;
+            }
+        }
+    }
+}
diff --git a/src/com/android/launcher3/statemanager/StateManager.java b/src/com/android/launcher3/statemanager/StateManager.java
index 24d3fd4..b34af97 100644
--- a/src/com/android/launcher3/statemanager/StateManager.java
+++ b/src/com/android/launcher3/statemanager/StateManager.java
@@ -18,7 +18,6 @@
 
 import static android.animation.ValueAnimator.areAnimatorsEnabled;
 
-import static com.android.launcher3.LauncherState.NORMAL;
 import static com.android.launcher3.anim.AnimatorPlaybackController.callListenerCommandRecursively;
 import static com.android.launcher3.states.StateAnimationConfig.SKIP_ALL_ANIMATIONS;
 
@@ -28,14 +27,12 @@
 import android.animation.AnimatorSet;
 import android.os.Handler;
 import android.os.Looper;
-import android.util.Log;
 
 import com.android.launcher3.anim.AnimationSuccessListener;
 import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.states.StateAnimationConfig;
 import com.android.launcher3.states.StateAnimationConfig.AnimationFlags;
-import com.android.launcher3.testing.TestProtocol;
 
 import java.io.PrintWriter;
 import java.util.ArrayList;
@@ -256,9 +253,6 @@
         if (listener != null) {
             animation.addListener(listener);
         }
-        if (TestProtocol.sDebugTracing && state == NORMAL) {
-            Log.d(TestProtocol.L3_SWIPE_TO_HOME, "goToStateAnimated: " + state);
-        }
         mUiHandler.post(new StartAnimRunnable(animation));
     }
 
@@ -334,17 +328,11 @@
             @Override
             public void onAnimationStart(Animator animation) {
                 // Change the internal state only when the transition actually starts
-                if (TestProtocol.sDebugTracing && state == NORMAL) {
-                    Log.d(TestProtocol.L3_SWIPE_TO_HOME, "onAnimationStart: " + state);
-                }
                 onStateTransitionStart(state);
             }
 
             @Override
             public void onAnimationSuccess(Animator animator) {
-                if (TestProtocol.sDebugTracing && state == NORMAL) {
-                    Log.d(TestProtocol.L3_SWIPE_TO_HOME, "onAnimationEnd: " + state);
-                }
                 onStateTransitionEnd(state);
             }
         };
diff --git a/src/com/android/launcher3/testing/TestProtocol.java b/src/com/android/launcher3/testing/TestProtocol.java
index ed52e20..3aecaa5 100644
--- a/src/com/android/launcher3/testing/TestProtocol.java
+++ b/src/com/android/launcher3/testing/TestProtocol.java
@@ -116,8 +116,6 @@
 
     public static final String PERMANENT_DIAG_TAG = "TaplTarget";
     public static final String WORK_PROFILE_REMOVED = "b/159671700";
-    public static final String FALLBACK_ACTIVITY_NO_SET = "b/181019015";
     public static final String TASK_VIEW_ID_CRASH = "b/195430732";
-    public static final String L3_SWIPE_TO_HOME = "b/192018189";
     public static final String NO_DROP_TARGET = "b/195031154";
 }
diff --git a/src/com/android/launcher3/touch/LandscapePagedViewHandler.java b/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
index 895ca08..2ac6cea 100644
--- a/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
+++ b/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
@@ -408,22 +408,30 @@
     }
 
     @Override
-    public void setGroupedTaskViewThumbnailBounds(View mSnapshotView, View mSnapshotView2,
-            View taskParent, SplitConfigurationOptions.StagedSplitBounds splitBoundsConfig,
-            DeviceProfile dp) {
+    public void measureGroupedTaskViewThumbnailBounds(View primarySnapshot, View secondarySnapshot,
+            int parentWidth, int parentHeight,
+            SplitConfigurationOptions.StagedSplitBounds splitBoundsConfig, DeviceProfile dp) {
         int spaceAboveSnapshot = dp.overviewTaskThumbnailTopMarginPx;
-        int totalThumbnailHeight = taskParent.getHeight() - spaceAboveSnapshot;
-        int totalThumbnailWidth = taskParent.getWidth();
+        int totalThumbnailHeight = parentHeight - spaceAboveSnapshot;
         int dividerBar = splitBoundsConfig.visualDividerBounds.width();
-        ViewGroup.LayoutParams primaryLp = mSnapshotView.getLayoutParams();
-        ViewGroup.LayoutParams secondaryLp = mSnapshotView2.getLayoutParams();
+        int primarySnapshotHeight;
+        int primarySnapshotWidth;
+        int secondarySnapshotHeight;
+        int secondarySnapshotWidth;
 
-        primaryLp.width = totalThumbnailWidth;
-        primaryLp.height = (int) (totalThumbnailHeight * splitBoundsConfig.leftTaskPercent);
+        primarySnapshotWidth = parentWidth;
+        primarySnapshotHeight = (int) (totalThumbnailHeight * splitBoundsConfig.leftTaskPercent);
 
-        secondaryLp.width = totalThumbnailWidth;
-        secondaryLp.height = totalThumbnailHeight - primaryLp.height - dividerBar;
-        mSnapshotView2.setTranslationY(primaryLp.height + spaceAboveSnapshot + dividerBar);
+        secondarySnapshotWidth = parentWidth;
+        secondarySnapshotHeight = totalThumbnailHeight - primarySnapshotHeight - dividerBar;
+        secondarySnapshot.setTranslationY(primarySnapshotHeight + spaceAboveSnapshot + dividerBar);
+        primarySnapshot.measure(
+                View.MeasureSpec.makeMeasureSpec(primarySnapshotWidth, View.MeasureSpec.EXACTLY),
+                View.MeasureSpec.makeMeasureSpec(primarySnapshotHeight, View.MeasureSpec.EXACTLY));
+        secondarySnapshot.measure(
+                View.MeasureSpec.makeMeasureSpec(secondarySnapshotWidth, View.MeasureSpec.EXACTLY),
+                View.MeasureSpec.makeMeasureSpec(secondarySnapshotHeight,
+                        View.MeasureSpec.EXACTLY));
     }
 
     @Override
diff --git a/src/com/android/launcher3/touch/PagedOrientationHandler.java b/src/com/android/launcher3/touch/PagedOrientationHandler.java
index b34a81e..b119e2c 100644
--- a/src/com/android/launcher3/touch/PagedOrientationHandler.java
+++ b/src/com/android/launcher3/touch/PagedOrientationHandler.java
@@ -162,7 +162,8 @@
             SplitConfigurationOptions.StagedSplitBounds splitInfo,
             @SplitConfigurationOptions.StagePosition int desiredStagePosition);
 
-    void setGroupedTaskViewThumbnailBounds(View mSnapshot1, View mSnapshot2, View taskParent,
+    void measureGroupedTaskViewThumbnailBounds(View primarySnapshot, View secondarySnapshot,
+            int parentWidth, int parentHeight,
             SplitConfigurationOptions.StagedSplitBounds splitBoundsConfig, DeviceProfile dp);
 
     // Overview TaskMenuView methods
diff --git a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
index f1fd439..99ad050 100644
--- a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
+++ b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
@@ -35,7 +35,6 @@
 import android.view.Surface;
 import android.view.VelocityTracker;
 import android.view.View;
-import android.view.ViewGroup;
 import android.view.accessibility.AccessibilityEvent;
 import android.widget.LinearLayout;
 
@@ -513,35 +512,46 @@
     }
 
     @Override
-    public void setGroupedTaskViewThumbnailBounds(View mSnapshotView, View mSnapshotView2,
-            View taskParent, SplitConfigurationOptions.StagedSplitBounds splitBoundsConfig,
-            DeviceProfile dp) {
+    public void measureGroupedTaskViewThumbnailBounds(View primarySnapshot, View secondarySnapshot,
+            int parentWidth, int parentHeight,
+            SplitConfigurationOptions.StagedSplitBounds splitBoundsConfig, DeviceProfile dp) {
         int spaceAboveSnapshot = dp.overviewTaskThumbnailTopMarginPx;
-        int totalThumbnailHeight = taskParent.getHeight() - spaceAboveSnapshot;
-        int totalThumbnailWidth = taskParent.getWidth();
-        int dividerBar = (dp.isLandscape ?
-                splitBoundsConfig.visualDividerBounds.width() :
-                splitBoundsConfig.visualDividerBounds.height());
-        ViewGroup.LayoutParams primaryLp = mSnapshotView.getLayoutParams();
-        ViewGroup.LayoutParams secondaryLp = mSnapshotView2.getLayoutParams();
-
+        int totalThumbnailHeight = parentHeight - spaceAboveSnapshot;
+        int dividerBar = (splitBoundsConfig.appsStackedVertically ?
+                splitBoundsConfig.visualDividerBounds.height() :
+                splitBoundsConfig.visualDividerBounds.width());
+        int primarySnapshotHeight;
+        int primarySnapshotWidth;
+        int secondarySnapshotHeight;
+        int secondarySnapshotWidth;
+        float taskPercent = splitBoundsConfig.appsStackedVertically ?
+                splitBoundsConfig.topTaskPercent : splitBoundsConfig.leftTaskPercent;
         if (dp.isLandscape) {
-            primaryLp.height = totalThumbnailHeight;
-            primaryLp.width = (int) (totalThumbnailWidth * splitBoundsConfig.leftTaskPercent);
+            primarySnapshotHeight = totalThumbnailHeight;
+            primarySnapshotWidth = (int) (parentWidth * taskPercent);
 
-            secondaryLp.height = totalThumbnailHeight;
-            secondaryLp.width = totalThumbnailWidth - primaryLp.width - dividerBar;
-            mSnapshotView2.setTranslationX(primaryLp.width + dividerBar);
-            mSnapshotView2.setTranslationY(spaceAboveSnapshot);
+            secondarySnapshotHeight = totalThumbnailHeight;
+            secondarySnapshotWidth = parentWidth - primarySnapshotWidth - dividerBar;
+            int translationX = primarySnapshotWidth + dividerBar;
+            secondarySnapshot.setTranslationX(translationX);
+            secondarySnapshot.setTranslationY(spaceAboveSnapshot);
         } else {
-            primaryLp.width = totalThumbnailWidth;
-            primaryLp.height = (int) (totalThumbnailHeight * splitBoundsConfig.topTaskPercent);
+            primarySnapshotWidth = parentWidth;
+            primarySnapshotHeight = (int) (totalThumbnailHeight * taskPercent);
 
-            secondaryLp.width = totalThumbnailWidth;
-            secondaryLp.height = totalThumbnailHeight - primaryLp.height - dividerBar;
-            mSnapshotView2.setTranslationY(primaryLp.height + spaceAboveSnapshot + dividerBar);
-            mSnapshotView2.setTranslationX(0);
+            secondarySnapshotWidth = parentWidth;
+            secondarySnapshotHeight = totalThumbnailHeight - primarySnapshotHeight - dividerBar;
+            int translationY = primarySnapshotHeight + spaceAboveSnapshot + dividerBar;
+            secondarySnapshot.setTranslationY(translationY);
+            secondarySnapshot.setTranslationX(0);
         }
+        primarySnapshot.measure(
+                View.MeasureSpec.makeMeasureSpec(primarySnapshotWidth, View.MeasureSpec.EXACTLY),
+                View.MeasureSpec.makeMeasureSpec(primarySnapshotHeight, View.MeasureSpec.EXACTLY));
+        secondarySnapshot.measure(
+                View.MeasureSpec.makeMeasureSpec(secondarySnapshotWidth, View.MeasureSpec.EXACTLY),
+                View.MeasureSpec.makeMeasureSpec(secondarySnapshotHeight,
+                        View.MeasureSpec.EXACTLY));
     }
 
     @Override
diff --git a/src/com/android/launcher3/util/SplitConfigurationOptions.java b/src/com/android/launcher3/util/SplitConfigurationOptions.java
index 5093d85..0b083e3 100644
--- a/src/com/android/launcher3/util/SplitConfigurationOptions.java
+++ b/src/com/android/launcher3/util/SplitConfigurationOptions.java
@@ -93,7 +93,13 @@
         // This class is orientation-agnostic, so we compute both for later use
         public final float topTaskPercent;
         public final float leftTaskPercent;
-
+        /**
+         * If {@code true}, that means at the time of creation of this object, the
+         * split-screened apps were vertically stacked. This is useful in scenarios like
+         * rotation where the bounds won't change, but this variable can indicate what orientation
+         * the bounds were originally in
+         */
+        public final boolean appsStackedVertically;
 
         public StagedSplitBounds(Rect leftTopBounds, Rect rightBottomBounds) {
             this.leftTopBounds = leftTopBounds;
@@ -103,10 +109,12 @@
                 // vertical apps, horizontal divider
                 this.visualDividerBounds = new Rect(leftTopBounds.left, leftTopBounds.bottom,
                         leftTopBounds.right, rightBottomBounds.top);
+                appsStackedVertically = true;
             } else {
                 // horizontal apps, vertical divider
                 this.visualDividerBounds = new Rect(leftTopBounds.right, leftTopBounds.top,
                         rightBottomBounds.left, leftTopBounds.bottom);
+                appsStackedVertically = false;
             }
 
             leftTaskPercent = this.leftTopBounds.width() / (float) rightBottomBounds.right;
diff --git a/src/com/android/launcher3/views/ActivityContext.java b/src/com/android/launcher3/views/ActivityContext.java
index dc5fe06..ebcd379 100644
--- a/src/com/android/launcher3/views/ActivityContext.java
+++ b/src/com/android/launcher3/views/ActivityContext.java
@@ -27,6 +27,7 @@
 import com.android.launcher3.dot.DotInfo;
 import com.android.launcher3.dragndrop.DragController;
 import com.android.launcher3.folder.FolderIcon;
+import com.android.launcher3.logger.LauncherAtom;
 import com.android.launcher3.logging.StatsLogManager;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.util.ViewCache;
@@ -122,15 +123,33 @@
     }
 
     /**
-     * Returns the ActivityContext associated with the given Context.
+     * Called just before logging the given item.
+     */
+    default void applyOverwritesToLogItem(LauncherAtom.ItemInfo.Builder itemInfoBuilder) { }
+
+    /**
+     * Returns the ActivityContext associated with the given Context, or throws an exception if
+     * the Context is not associated with any ActivityContext.
      */
     static <T extends Context & ActivityContext> T lookupContext(Context context) {
+        T activityContext = lookupContextNoThrow(context);
+        if (activityContext == null) {
+            throw new IllegalArgumentException("Cannot find ActivityContext in parent tree");
+        }
+        return activityContext;
+    }
+
+    /**
+     * Returns the ActivityContext associated with the given Context, or null if
+     * the Context is not associated with any ActivityContext.
+     */
+    static <T extends Context & ActivityContext> T lookupContextNoThrow(Context context) {
         if (context instanceof ActivityContext) {
             return (T) context;
         } else if (context instanceof ContextWrapper) {
-            return lookupContext(((ContextWrapper) context).getBaseContext());
+            return lookupContextNoThrow(((ContextWrapper) context).getBaseContext());
         } else {
-            throw new IllegalArgumentException("Cannot find ActivityContext in parent tree");
+            return null;
         }
     }
 }
diff --git a/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java b/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
index 1a6ce8c..cd0c7f2 100644
--- a/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
+++ b/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
@@ -153,8 +153,6 @@
     public static String dumpHprofData() {
         String result;
         if (sDumpWasGenerated) {
-            Log.d("b/195319692", "dump has already been generated by another test",
-                    new Exception());
             result = "dump has already been generated by another test";
         } else {
             try {
@@ -169,7 +167,6 @@
                             "am dumpheap " + device.getLauncherPackageName() + " " + fileName);
                 }
                 sDumpWasGenerated = true;
-                Log.d("b/195319692", "sDumpWasGenerated := true", new Exception());
                 result = "memory dump filename: " + fileName;
             } catch (Throwable e) {
                 Log.e(TAG, "dumpHprofData failed", e);
diff --git a/tests/src/com/android/launcher3/util/rule/FailureWatcher.java b/tests/src/com/android/launcher3/util/rule/FailureWatcher.java
index f9a9997..65aaa24 100644
--- a/tests/src/com/android/launcher3/util/rule/FailureWatcher.java
+++ b/tests/src/com/android/launcher3/util/rule/FailureWatcher.java
@@ -2,6 +2,7 @@
 
 import static androidx.test.InstrumentationRegistry.getInstrumentation;
 
+import android.content.Context;
 import android.os.FileUtils;
 import android.os.ParcelFileDescriptor.AutoCloseInputStream;
 import android.util.Log;
@@ -45,11 +46,30 @@
         return new Statement() {
             @Override
             public void evaluate() throws Throwable {
+                boolean success = false;
                 try {
                     Log.d("b/196820244", "Before evaluate");
+                    mDevice.executeShellCommand("cmd statusbar tracing start");
                     FailureWatcher.super.apply(base, description).evaluate();
                     Log.d("b/196820244", "After evaluate");
+                    success = true;
                 } finally {
+                    // Save artifact for Launcher Winscope trace.
+                    mDevice.executeShellCommand("cmd statusbar tracing stop");
+                    final Context nexusLauncherContext =
+                            getInstrumentation().getTargetContext()
+                                    .createPackageContext("com.google.android.apps.nexuslauncher",
+                                            0);
+                    final File launcherTrace =
+                            new File(nexusLauncherContext.getFilesDir(), "launcher_trace.pb");
+                    if (success) {
+                        mDevice.executeShellCommand("rm " + launcherTrace);
+                    } else {
+                        mDevice.executeShellCommand("mv " + launcherTrace + " "
+                                + diagFile(description, "LauncherWinscope", "pb"));
+                    }
+
+                    // Detect touch events coming from physical screen.
                     if (mLauncher.hadNontestEvents()) {
                         throw new AssertionError(
                                 "Launcher received events not sent by the test. This may mean "
diff --git a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
index 98d081b..ea8a295 100644
--- a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
+++ b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
@@ -1559,10 +1559,12 @@
     }
 
     float getWindowCornerRadius() {
+        // TODO(b/197326121): Check if the touch is overlapping with the corners by offsetting
+        final float tmpBuffer = 100f;
         final Resources resources = getResources();
         if (!supportsRoundedCornersOnWindows(resources)) {
             Log.d(TAG, "No rounded corners");
-            return 0f;
+            return tmpBuffer;
         }
 
         // Radius that should be used in case top or bottom aren't defined.
@@ -1581,7 +1583,7 @@
         // Always use the smallest radius to make sure the rounded corners will
         // completely cover the display.
         Log.d(TAG, "Rounded corners top: " + topRadius + " bottom: " + bottomRadius);
-        return Math.max(topRadius, bottomRadius);
+        return Math.max(topRadius, bottomRadius) + tmpBuffer;
     }
 
     private static boolean supportsRoundedCornersOnWindows(Resources resources) {