diff --git a/quickstep/res/layout/transient_taskbar.xml b/quickstep/res/layout/transient_taskbar.xml
index 62c6933..bf4b811 100644
--- a/quickstep/res/layout/transient_taskbar.xml
+++ b/quickstep/res/layout/transient_taskbar.xml
@@ -38,6 +38,20 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent"/>
 
+    <com.android.launcher3.taskbar.bubbles.BubbleBarView
+        android:id="@+id/taskbar_bubbles"
+        android:layout_width="wrap_content"
+        android:layout_height="@dimen/bubblebar_size"
+        android:layout_gravity="bottom|end"
+        android:layout_marginEnd="@dimen/transient_taskbar_bottom_margin"
+        android:layout_marginBottom="@dimen/transient_taskbar_bottom_margin"
+        android:paddingEnd="@dimen/taskbar_icon_spacing"
+        android:paddingStart="@dimen/taskbar_icon_spacing"
+        android:visibility="gone"
+        android:gravity="center"
+        android:clipChildren="false"
+        />
+
     <FrameLayout
         android:id="@+id/navbuttons_view"
         android:layout_width="match_parent"
@@ -74,10 +88,20 @@
     <com.android.launcher3.taskbar.StashedHandleView
         android:id="@+id/stashed_handle"
         tools:comment1="The actual size and shape will be set as a ViewOutlineProvider at runtime"
-        android:layout_width="match_parent"
+        android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:background="@color/taskbar_stashed_handle_dark_color"
         android:clipToOutline="true"
         android:layout_gravity="bottom"/>
 
+    <com.android.launcher3.taskbar.StashedHandleView
+        android:id="@+id/stashed_bubble_handle"
+        tools:comment1="The actual size and shape will be set as a ViewOutlineProvider at runtime"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:visibility="gone"
+        android:background="@color/taskbar_stashed_handle_dark_color"
+        android:clipToOutline="true"
+        android:layout_gravity="bottom"/>
+
 </com.android.launcher3.taskbar.TaskbarDragLayer>
\ No newline at end of file
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
index 37f6284..21f78b2 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
@@ -83,6 +83,12 @@
 import com.android.launcher3.taskbar.TaskbarAutohideSuspendController.AutohideSuspendFlag;
 import com.android.launcher3.taskbar.TaskbarTranslationController.TransitionCallback;
 import com.android.launcher3.taskbar.allapps.TaskbarAllAppsController;
+import com.android.launcher3.taskbar.bubbles.BubbleBarController;
+import com.android.launcher3.taskbar.bubbles.BubbleBarView;
+import com.android.launcher3.taskbar.bubbles.BubbleBarViewController;
+import com.android.launcher3.taskbar.bubbles.BubbleControllers;
+import com.android.launcher3.taskbar.bubbles.BubbleStashController;
+import com.android.launcher3.taskbar.bubbles.BubbleStashedHandleViewController;
 import com.android.launcher3.taskbar.overlay.TaskbarOverlayController;
 import com.android.launcher3.testing.TestLogging;
 import com.android.launcher3.testing.shared.TestProtocol;
@@ -106,6 +112,7 @@
 import com.android.systemui.unfold.util.ScopedUnfoldTransitionProgressProvider;
 
 import java.io.PrintWriter;
+import java.util.Optional;
 
 /**
  * The {@link ActivityContext} with which we inflate Taskbar-related Views. This allows UI elements
@@ -195,11 +202,23 @@
         TaskbarScrimView taskbarScrimView = mDragLayer.findViewById(R.id.taskbar_scrim);
         FrameLayout navButtonsView = mDragLayer.findViewById(R.id.navbuttons_view);
         StashedHandleView stashedHandleView = mDragLayer.findViewById(R.id.stashed_handle);
+        BubbleBarView bubbleBarView = mDragLayer.findViewById(R.id.taskbar_bubbles);
+        StashedHandleView bubbleHandleView = mDragLayer.findViewById(R.id.stashed_bubble_handle);
 
         mAccessibilityDelegate = new TaskbarShortcutMenuAccessibilityDelegate(this);
 
         final boolean isDesktopMode = getPackageManager().hasSystemFeature(FEATURE_PC);
 
+        // If Bubble bar is present, TaskbarControllers depends on it so build it first.
+        Optional<BubbleControllers> bubbleControllersOptional = Optional.empty();
+        if (BubbleBarController.BUBBLE_BAR_ENABLED) {
+            bubbleControllersOptional = Optional.of(new BubbleControllers(
+                    new BubbleBarController(this, bubbleBarView),
+                    new BubbleBarViewController(this, bubbleBarView),
+                    new BubbleStashController(this),
+                    new BubbleStashedHandleViewController(this, bubbleHandleView)));
+        }
+
         // Construct controllers.
         mControllers = new TaskbarControllers(this,
                 new TaskbarDragController(this),
@@ -239,7 +258,8 @@
                         : TaskbarRecentAppsController.DEFAULT,
                 new TaskbarEduTooltipController(this),
                 new KeyboardQuickSwitchController(),
-                new TaskbarDividerPopupController(this));
+                new TaskbarDividerPopupController(this),
+                bubbleControllersOptional);
     }
 
     public void init(@NonNull TaskbarSharedState sharedState) {
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java
index 1cd6f50..66c2eb3 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java
@@ -23,12 +23,14 @@
 
 import com.android.launcher3.anim.AnimatedFloat;
 import com.android.launcher3.taskbar.allapps.TaskbarAllAppsController;
+import com.android.launcher3.taskbar.bubbles.BubbleControllers;
 import com.android.launcher3.taskbar.overlay.TaskbarOverlayController;
 import com.android.systemui.shared.rotation.RotationButtonController;
 
 import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Optional;
 
 /**
  * Hosts various taskbar controllers to facilitate passing between one another.
@@ -61,6 +63,7 @@
     public final TaskbarEduTooltipController taskbarEduTooltipController;
     public final KeyboardQuickSwitchController keyboardQuickSwitchController;
     public final TaskbarDividerPopupController taskbarPinningController;
+    public final Optional<BubbleControllers> bubbleControllers;
 
     @Nullable private LoggableTaskbarController[] mControllersToLog = null;
     @Nullable private BackgroundRendererController[] mBackgroundRendererControllers = null;
@@ -107,7 +110,8 @@
             TaskbarRecentAppsController taskbarRecentAppsController,
             TaskbarEduTooltipController taskbarEduTooltipController,
             KeyboardQuickSwitchController keyboardQuickSwitchController,
-            TaskbarDividerPopupController taskbarPinningController) {
+            TaskbarDividerPopupController taskbarPinningController,
+            Optional<BubbleControllers> bubbleControllers) {
         this.taskbarActivityContext = taskbarActivityContext;
         this.taskbarDragController = taskbarDragController;
         this.navButtonController = navButtonController;
@@ -133,6 +137,7 @@
         this.taskbarEduTooltipController = taskbarEduTooltipController;
         this.keyboardQuickSwitchController = keyboardQuickSwitchController;
         this.taskbarPinningController = taskbarPinningController;
+        this.bubbleControllers = bubbleControllers;
     }
 
     /**
@@ -167,6 +172,7 @@
         taskbarEduTooltipController.init(this);
         keyboardQuickSwitchController.init(this);
         taskbarPinningController.init(this);
+        bubbleControllers.ifPresent(controllers -> controllers.init(this));
 
         mControllersToLog = new LoggableTaskbarController[] {
                 taskbarDragController, navButtonController, navbarButtonsViewController,
@@ -226,6 +232,7 @@
         taskbarRecentAppsController.onDestroy();
         keyboardQuickSwitchController.onDestroy();
         taskbarStashController.onDestroy();
+        bubbleControllers.ifPresent(controllers -> controllers.onDestroy());
 
         mControllersToLog = null;
         mBackgroundRendererControllers = null;
diff --git a/quickstep/tests/src/com/android/launcher3/taskbar/TaskbarBaseTestCase.kt b/quickstep/tests/src/com/android/launcher3/taskbar/TaskbarBaseTestCase.kt
index 20466ad..2c16c15 100644
--- a/quickstep/tests/src/com/android/launcher3/taskbar/TaskbarBaseTestCase.kt
+++ b/quickstep/tests/src/com/android/launcher3/taskbar/TaskbarBaseTestCase.kt
@@ -16,8 +16,10 @@
 package com.android.launcher3.taskbar
 
 import com.android.launcher3.taskbar.allapps.TaskbarAllAppsController
+import com.android.launcher3.taskbar.bubbles.BubbleControllers
 import com.android.launcher3.taskbar.overlay.TaskbarOverlayController
 import com.android.systemui.shared.rotation.RotationButtonController
+import java.util.Optional
 import org.junit.Before
 import org.mockito.Mock
 import org.mockito.MockitoAnnotations
@@ -54,6 +56,7 @@
     @Mock lateinit var taskbarEduTooltipController: TaskbarEduTooltipController
     @Mock lateinit var keyboardQuickSwitchController: KeyboardQuickSwitchController
     @Mock lateinit var taskbarPinningController: TaskbarDividerPopupController
+    @Mock lateinit var optionalBubbleControllers: Optional<BubbleControllers>
 
     lateinit var taskbarControllers: TaskbarControllers
 
@@ -94,6 +97,7 @@
                 taskbarEduTooltipController,
                 keyboardQuickSwitchController,
                 taskbarPinningController,
+                optionalBubbleControllers,
             )
     }
 }