diff --git a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarController.java b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarController.java
index 33d8a84..1a51861 100644
--- a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarController.java
@@ -495,6 +495,11 @@
                 () -> mBubbleBarViewController.animateBubbleBarLocation(bubbleBarLocation));
     }
 
+    /** Notifies WMShell to show the expanded view. */
+    void showExpandedView() {
+        mSystemUiProxy.showExpandedView();
+    }
+
     //
     // Loading data for the bubbles
     //
diff --git a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarViewController.java b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarViewController.java
index 3261262..17ccfc5 100644
--- a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarViewController.java
@@ -119,7 +119,8 @@
         mBubbleDragController = bubbleControllers.bubbleDragController;
         mTaskbarStashController = controllers.taskbarStashController;
         mTaskbarInsetsController = controllers.taskbarInsetsController;
-        mBubbleBarViewAnimator = new BubbleBarViewAnimator(mBarView, mBubbleStashController);
+        mBubbleBarViewAnimator = new BubbleBarViewAnimator(
+                mBarView, mBubbleStashController, mBubbleBarController::showExpandedView);
         mTaskbarViewPropertiesProvider = taskbarViewPropertiesProvider;
         onBubbleBarConfigurationChanged(/* animate= */ false);
         mActivity.addOnDeviceProfileChangeListener(
diff --git a/quickstep/src/com/android/launcher3/taskbar/bubbles/animation/BubbleBarViewAnimator.kt b/quickstep/src/com/android/launcher3/taskbar/bubbles/animation/BubbleBarViewAnimator.kt
index 2ed88d8..99c50f2 100644
--- a/quickstep/src/com/android/launcher3/taskbar/bubbles/animation/BubbleBarViewAnimator.kt
+++ b/quickstep/src/com/android/launcher3/taskbar/bubbles/animation/BubbleBarViewAnimator.kt
@@ -36,6 +36,7 @@
 constructor(
     private val bubbleBarView: BubbleBarView,
     private val bubbleStashController: BubbleStashController,
+    private val onExpanded: Runnable,
     private val scheduler: Scheduler = HandlerScheduler(bubbleBarView)
 ) {
 
@@ -406,7 +407,7 @@
         springBackAnimation.spring(DynamicAnimation.TRANSLATION_Y, ty)
         springBackAnimation.addEndListener { _, _, _, _, _, _, _ ->
             if (animatingBubble?.expand == true) {
-                bubbleBarView.isExpanded = true
+                expandBubbleBar()
                 cancelHideAnimation()
             } else {
                 moveToState(AnimatingBubble.State.IN)
@@ -417,7 +418,7 @@
         ObjectAnimator.ofFloat(bubbleBarView, View.TRANSLATION_Y, ty - bubbleBarBounceDistanceInPx)
             .withDuration(BUBBLE_BAR_BOUNCE_ANIMATION_DURATION_MS)
             .withEndAction {
-                if (animatingBubble?.expand == true) bubbleBarView.isExpanded = true
+                if (animatingBubble?.expand == true) expandBubbleBar()
                 springBackAnimation.start()
             }
             .start()
@@ -451,7 +452,7 @@
         this.animatingBubble = animatingBubble.copy(expand = true)
         // if we're fully in and waiting to hide, cancel the hide animation and clean up
         if (animatingBubble.state == AnimatingBubble.State.IN) {
-            bubbleBarView.isExpanded = true
+            expandBubbleBar()
             cancelHideAnimation()
         }
     }
@@ -489,6 +490,11 @@
         this.animatingBubble = animatingBubble.copy(state = state)
     }
 
+    private fun expandBubbleBar() {
+        bubbleBarView.isExpanded = true
+        onExpanded.run()
+    }
+
     /**
      * Tracks the translation Y of the bubble bar during the animation. When the bubble bar expands
      * as part of the animation, the expansion should start after the bubble bar reaches the peak
@@ -510,7 +516,7 @@
             }
             val expand = animatingBubble?.expand ?: false
             if (reachedPeak && expand && !startedExpanding) {
-                bubbleBarView.isExpanded = true
+                expandBubbleBar()
                 startedExpanding = true
             }
             previousTy = ty
diff --git a/quickstep/src/com/android/quickstep/SystemUiProxy.java b/quickstep/src/com/android/quickstep/SystemUiProxy.java
index 59e9f05..fb19aa2 100644
--- a/quickstep/src/com/android/quickstep/SystemUiProxy.java
+++ b/quickstep/src/com/android/quickstep/SystemUiProxy.java
@@ -923,6 +923,17 @@
         }
     }
 
+    /** Tells SysUI to show the expanded view. */
+    public void showExpandedView() {
+        try {
+            if (mBubbles != null) {
+                mBubbles.showExpandedView();
+            }
+        } catch (RemoteException e) {
+            Log.w(TAG, "Failed to call showExpandedView");
+        }
+    }
+
     //
     // Splitscreen
     //
diff --git a/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/bubbles/animation/BubbleBarViewAnimatorTest.kt b/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/bubbles/animation/BubbleBarViewAnimatorTest.kt
index 4da06e1..7928ce9 100644
--- a/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/bubbles/animation/BubbleBarViewAnimatorTest.kt
+++ b/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/bubbles/animation/BubbleBarViewAnimatorTest.kt
@@ -64,6 +64,7 @@
     private lateinit var bubble: BubbleBarBubble
     private lateinit var bubbleBarView: BubbleBarView
     private lateinit var bubbleStashController: BubbleStashController
+    private val onExpandedNoOp = Runnable {}
 
     @Before
     fun setUp() {
@@ -81,7 +82,12 @@
         whenever(bubbleStashController.getStashedHandlePhysicsAnimator()).thenReturn(handleAnimator)
 
         val animator =
-            BubbleBarViewAnimator(bubbleBarView, bubbleStashController, animatorScheduler)
+            BubbleBarViewAnimator(
+                bubbleBarView,
+                bubbleStashController,
+                onExpandedNoOp,
+                animatorScheduler
+            )
 
         InstrumentationRegistry.getInstrumentation().runOnMainSync {
             animator.animateBubbleInForStashed(bubble, isExpanding = false)
@@ -125,7 +131,12 @@
         whenever(bubbleStashController.getStashedHandlePhysicsAnimator()).thenReturn(handleAnimator)
 
         val animator =
-            BubbleBarViewAnimator(bubbleBarView, bubbleStashController, animatorScheduler)
+            BubbleBarViewAnimator(
+                bubbleBarView,
+                bubbleStashController,
+                onExpandedNoOp,
+                animatorScheduler
+            )
 
         InstrumentationRegistry.getInstrumentation().runOnMainSync {
             animator.animateBubbleInForStashed(bubble, isExpanding = false)
@@ -168,7 +179,12 @@
         whenever(bubbleStashController.getStashedHandlePhysicsAnimator()).thenReturn(handleAnimator)
 
         val animator =
-            BubbleBarViewAnimator(bubbleBarView, bubbleStashController, animatorScheduler)
+            BubbleBarViewAnimator(
+                bubbleBarView,
+                bubbleStashController,
+                onExpandedNoOp,
+                animatorScheduler
+            )
 
         InstrumentationRegistry.getInstrumentation().runOnMainSync {
             animator.animateBubbleInForStashed(bubble, isExpanding = false)
@@ -208,7 +224,12 @@
         whenever(bubbleStashController.getStashedHandlePhysicsAnimator()).thenReturn(handleAnimator)
 
         val animator =
-            BubbleBarViewAnimator(bubbleBarView, bubbleStashController, animatorScheduler)
+            BubbleBarViewAnimator(
+                bubbleBarView,
+                bubbleStashController,
+                onExpandedNoOp,
+                animatorScheduler
+            )
 
         InstrumentationRegistry.getInstrumentation().runOnMainSync {
             animator.animateBubbleInForStashed(bubble, isExpanding = false)
@@ -249,7 +270,12 @@
         whenever(bubbleStashController.getStashedHandlePhysicsAnimator()).thenReturn(handleAnimator)
 
         val animator =
-            BubbleBarViewAnimator(bubbleBarView, bubbleStashController, animatorScheduler)
+            BubbleBarViewAnimator(
+                bubbleBarView,
+                bubbleStashController,
+                onExpandedNoOp,
+                animatorScheduler
+            )
 
         InstrumentationRegistry.getInstrumentation().runOnMainSync {
             animator.animateBubbleInForStashed(bubble, isExpanding = false)
@@ -278,8 +304,15 @@
         val handleAnimator = PhysicsAnimator.getInstance(handle)
         whenever(bubbleStashController.getStashedHandlePhysicsAnimator()).thenReturn(handleAnimator)
 
+        var notifiedExpanded = false
+        val onExpanded = Runnable { notifiedExpanded = true }
         val animator =
-            BubbleBarViewAnimator(bubbleBarView, bubbleStashController, animatorScheduler)
+            BubbleBarViewAnimator(
+                bubbleBarView,
+                bubbleStashController,
+                onExpanded,
+                animatorScheduler
+            )
 
         InstrumentationRegistry.getInstrumentation().runOnMainSync {
             animator.animateBubbleInForStashed(bubble, isExpanding = true)
@@ -303,6 +336,7 @@
         assertThat(animatorScheduler.delayedBlock).isNull()
 
         verify(bubbleStashController).showBubbleBarImmediate()
+        assertThat(notifiedExpanded).isTrue()
     }
 
     @Test
@@ -314,8 +348,15 @@
         val handleAnimator = PhysicsAnimator.getInstance(handle)
         whenever(bubbleStashController.getStashedHandlePhysicsAnimator()).thenReturn(handleAnimator)
 
+        var notifiedExpanded = false
+        val onExpanded = Runnable { notifiedExpanded = true }
         val animator =
-            BubbleBarViewAnimator(bubbleBarView, bubbleStashController, animatorScheduler)
+            BubbleBarViewAnimator(
+                bubbleBarView,
+                bubbleStashController,
+                onExpanded,
+                animatorScheduler
+            )
 
         InstrumentationRegistry.getInstrumentation().runOnMainSync {
             animator.animateBubbleInForStashed(bubble, isExpanding = false)
@@ -345,6 +386,7 @@
             .isEqualTo(DIFF_BETWEEN_HANDLE_AND_BAR_CENTERS + BAR_TRANSLATION_Y_FOR_TASKBAR)
         verifyBubbleBarIsExpandedWithTranslation(BAR_TRANSLATION_Y_FOR_TASKBAR)
         assertThat(animator.isAnimating).isFalse()
+        assertThat(notifiedExpanded).isTrue()
     }
 
     @Test
@@ -356,8 +398,15 @@
         val handleAnimator = PhysicsAnimator.getInstance(handle)
         whenever(bubbleStashController.getStashedHandlePhysicsAnimator()).thenReturn(handleAnimator)
 
+        var notifiedExpanded = false
+        val onExpanded = Runnable { notifiedExpanded = true }
         val animator =
-            BubbleBarViewAnimator(bubbleBarView, bubbleStashController, animatorScheduler)
+            BubbleBarViewAnimator(
+                bubbleBarView,
+                bubbleStashController,
+                onExpanded,
+                animatorScheduler
+            )
 
         InstrumentationRegistry.getInstrumentation().runOnMainSync {
             animator.animateBubbleInForStashed(bubble, isExpanding = false)
@@ -384,6 +433,7 @@
             .isEqualTo(DIFF_BETWEEN_HANDLE_AND_BAR_CENTERS + BAR_TRANSLATION_Y_FOR_TASKBAR)
         verifyBubbleBarIsExpandedWithTranslation(BAR_TRANSLATION_Y_FOR_TASKBAR)
         assertThat(animator.isAnimating).isFalse()
+        assertThat(notifiedExpanded).isTrue()
     }
 
     @Test
@@ -400,7 +450,12 @@
         val barAnimator = PhysicsAnimator.getInstance(bubbleBarView)
 
         val animator =
-            BubbleBarViewAnimator(bubbleBarView, bubbleStashController, animatorScheduler)
+            BubbleBarViewAnimator(
+                bubbleBarView,
+                bubbleStashController,
+                onExpandedNoOp,
+                animatorScheduler
+            )
 
         InstrumentationRegistry.getInstrumentation().runOnMainSync {
             animator.animateToInitialState(bubble, isInApp = true, isExpanding = false)
@@ -442,8 +497,15 @@
 
         val barAnimator = PhysicsAnimator.getInstance(bubbleBarView)
 
+        var notifiedExpanded = false
+        val onExpanded = Runnable { notifiedExpanded = true }
         val animator =
-            BubbleBarViewAnimator(bubbleBarView, bubbleStashController, animatorScheduler)
+            BubbleBarViewAnimator(
+                bubbleBarView,
+                bubbleStashController,
+                onExpanded,
+                animatorScheduler
+            )
 
         InstrumentationRegistry.getInstrumentation().runOnMainSync {
             animator.animateToInitialState(bubble, isInApp = true, isExpanding = true)
@@ -459,6 +521,7 @@
 
         assertThat(animatorScheduler.delayedBlock).isNull()
         verify(bubbleStashController).showBubbleBarImmediate()
+        assertThat(notifiedExpanded).isTrue()
     }
 
     @Test
@@ -471,7 +534,12 @@
         val barAnimator = PhysicsAnimator.getInstance(bubbleBarView)
 
         val animator =
-            BubbleBarViewAnimator(bubbleBarView, bubbleStashController, animatorScheduler)
+            BubbleBarViewAnimator(
+                bubbleBarView,
+                bubbleStashController,
+                onExpandedNoOp,
+                animatorScheduler
+            )
 
         InstrumentationRegistry.getInstrumentation().runOnMainSync {
             animator.animateToInitialState(bubble, isInApp = false, isExpanding = false)
@@ -502,8 +570,15 @@
         whenever(bubbleStashController.bubbleBarTranslationY)
             .thenReturn(BAR_TRANSLATION_Y_FOR_HOTSEAT)
 
+        var notifiedExpanded = false
+        val onExpanded = Runnable { notifiedExpanded = true }
         val animator =
-            BubbleBarViewAnimator(bubbleBarView, bubbleStashController, animatorScheduler)
+            BubbleBarViewAnimator(
+                bubbleBarView,
+                bubbleStashController,
+                onExpanded,
+                animatorScheduler
+            )
 
         InstrumentationRegistry.getInstrumentation().runOnMainSync {
             animator.animateToInitialState(bubble, isInApp = false, isExpanding = false)
@@ -533,6 +608,7 @@
         verifyBubbleBarIsExpandedWithTranslation(BAR_TRANSLATION_Y_FOR_HOTSEAT)
         assertThat(animator.isAnimating).isFalse()
         verify(bubbleStashController).showBubbleBarImmediate()
+        assertThat(notifiedExpanded).isTrue()
     }
 
     @Test
@@ -542,8 +618,15 @@
         whenever(bubbleStashController.bubbleBarTranslationY)
             .thenReturn(BAR_TRANSLATION_Y_FOR_HOTSEAT)
 
+        var notifiedExpanded = false
+        val onExpanded = Runnable { notifiedExpanded = true }
         val animator =
-            BubbleBarViewAnimator(bubbleBarView, bubbleStashController, animatorScheduler)
+            BubbleBarViewAnimator(
+                bubbleBarView,
+                bubbleStashController,
+                onExpanded,
+                animatorScheduler
+            )
 
         InstrumentationRegistry.getInstrumentation().runOnMainSync {
             animator.animateToInitialState(bubble, isInApp = false, isExpanding = false)
@@ -566,6 +649,7 @@
 
         verifyBubbleBarIsExpandedWithTranslation(BAR_TRANSLATION_Y_FOR_HOTSEAT)
         assertThat(animator.isAnimating).isFalse()
+        assertThat(notifiedExpanded).isTrue()
     }
 
     @Test
@@ -578,7 +662,12 @@
         val barAnimator = PhysicsAnimator.getInstance(bubbleBarView)
 
         val animator =
-            BubbleBarViewAnimator(bubbleBarView, bubbleStashController, animatorScheduler)
+            BubbleBarViewAnimator(
+                bubbleBarView,
+                bubbleStashController,
+                onExpandedNoOp,
+                animatorScheduler
+            )
 
         InstrumentationRegistry.getInstrumentation().runOnMainSync {
             animator.animateBubbleBarForCollapsed(bubble, isExpanding = false)
@@ -617,8 +706,15 @@
 
         val barAnimator = PhysicsAnimator.getInstance(bubbleBarView)
 
+        var notifiedExpanded = false
+        val onExpanded = Runnable { notifiedExpanded = true }
         val animator =
-            BubbleBarViewAnimator(bubbleBarView, bubbleStashController, animatorScheduler)
+            BubbleBarViewAnimator(
+                bubbleBarView,
+                bubbleStashController,
+                onExpanded,
+                animatorScheduler
+            )
 
         InstrumentationRegistry.getInstrumentation().runOnMainSync {
             animator.animateBubbleBarForCollapsed(bubble, isExpanding = true)
@@ -645,6 +741,7 @@
         assertThat(bubbleBarView.translationY).isEqualTo(BAR_TRANSLATION_Y_FOR_HOTSEAT)
         assertThat(bubbleBarView.isExpanded).isTrue()
         verify(bubbleStashController).showBubbleBarImmediate()
+        assertThat(notifiedExpanded).isTrue()
     }
 
     @Test
@@ -656,8 +753,15 @@
 
         val barAnimator = PhysicsAnimator.getInstance(bubbleBarView)
 
+        var notifiedExpanded = false
+        val onExpanded = Runnable { notifiedExpanded = true }
         val animator =
-            BubbleBarViewAnimator(bubbleBarView, bubbleStashController, animatorScheduler)
+            BubbleBarViewAnimator(
+                bubbleBarView,
+                bubbleStashController,
+                onExpanded,
+                animatorScheduler
+            )
 
         InstrumentationRegistry.getInstrumentation().runOnMainSync {
             animator.animateBubbleBarForCollapsed(bubble, isExpanding = false)
@@ -695,6 +799,7 @@
         assertThat(bubbleBarView.translationY).isEqualTo(BAR_TRANSLATION_Y_FOR_HOTSEAT)
         assertThat(bubbleBarView.isExpanded).isTrue()
         verify(bubbleStashController).showBubbleBarImmediate()
+        assertThat(notifiedExpanded).isTrue()
     }
 
     @Test
@@ -706,8 +811,15 @@
 
         val barAnimator = PhysicsAnimator.getInstance(bubbleBarView)
 
+        var notifiedExpanded = false
+        val onExpanded = Runnable { notifiedExpanded = true }
         val animator =
-            BubbleBarViewAnimator(bubbleBarView, bubbleStashController, animatorScheduler)
+            BubbleBarViewAnimator(
+                bubbleBarView,
+                bubbleStashController,
+                onExpanded,
+                animatorScheduler
+            )
 
         InstrumentationRegistry.getInstrumentation().runOnMainSync {
             animator.animateBubbleBarForCollapsed(bubble, isExpanding = false)
@@ -742,6 +854,7 @@
         assertThat(bubbleBarView.translationY).isEqualTo(BAR_TRANSLATION_Y_FOR_HOTSEAT)
         assertThat(bubbleBarView.isExpanded).isTrue()
         verify(bubbleStashController).showBubbleBarImmediate()
+        assertThat(notifiedExpanded).isTrue()
     }
 
     private fun setUpBubbleBar() {