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/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 f986e4b..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;
@@ -232,6 +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) {
@@ -328,6 +384,7 @@
 
             getDragLayer().post(() -> {
                 folder.animateOpen();
+                getStatsLogManager().logger().withItemInfo(folder.mInfo).log(LAUNCHER_FOLDER_OPEN);
 
                 folder.iterateOverItems((itemInfo, itemView) -> {
                     mControllers.taskbarViewController
@@ -365,6 +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/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/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/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/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/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;
         }
     }
 }