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 fff8915..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;
@@ -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/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/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/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/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/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/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/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;
         }
     }
 }