diff --git a/quickstep/src/com/android/launcher3/taskbar/StashedHandleViewController.java b/quickstep/src/com/android/launcher3/taskbar/StashedHandleViewController.java
index 7273fac..eb47bb0 100644
--- a/quickstep/src/com/android/launcher3/taskbar/StashedHandleViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/StashedHandleViewController.java
@@ -192,7 +192,9 @@
 
 
     public void onDestroy() {
-        mRegionSamplingHelper.stopAndDestroy();
+        if (mRegionSamplingHelper != null) {
+            mRegionSamplingHelper.stopAndDestroy();
+        }
         mRegionSamplingHelper = null;
     }
 
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarForceVisibleImmersiveController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarForceVisibleImmersiveController.java
index 8a86402..b7f5575 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarForceVisibleImmersiveController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarForceVisibleImmersiveController.java
@@ -108,8 +108,10 @@
     /** Clean up animations. */
     public void onDestroy() {
         startIconUndimming();
-        mControllers.navbarButtonsViewController.setHomeButtonAccessibilityDelegate(null);
-        mControllers.navbarButtonsViewController.setBackButtonAccessibilityDelegate(null);
+        if (mControllers != null) {
+            mControllers.navbarButtonsViewController.setHomeButtonAccessibilityDelegate(null);
+            mControllers.navbarButtonsViewController.setBackButtonAccessibilityDelegate(null);
+        }
     }
 
     private void startIconUndimming() {
diff --git a/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/TaskbarScrimViewControllerTest.kt b/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/TaskbarScrimViewControllerTest.kt
index 436dfd3..4c94067 100644
--- a/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/TaskbarScrimViewControllerTest.kt
+++ b/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/TaskbarScrimViewControllerTest.kt
@@ -17,10 +17,14 @@
 package com.android.launcher3.taskbar
 
 import android.animation.AnimatorTestRule
+import android.platform.test.annotations.DisableFlags
+import android.platform.test.annotations.EnableFlags
+import android.platform.test.flag.junit.SetFlagsRule
 import android.view.KeyEvent
 import android.view.View.GONE
 import android.view.View.VISIBLE
 import androidx.test.platform.app.InstrumentationRegistry.getInstrumentation
+import com.android.launcher3.taskbar.bubbles.stashing.BubbleStashController
 import com.android.launcher3.taskbar.rules.TaskbarModeRule
 import com.android.launcher3.taskbar.rules.TaskbarModeRule.Mode.PINNED
 import com.android.launcher3.taskbar.rules.TaskbarModeRule.Mode.TRANSIENT
@@ -34,6 +38,7 @@
 import com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_BUBBLES_EXPANDED
 import com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_BUBBLES_MANAGE_MENU_EXPANDED
 import com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_NOTIFICATION_PANEL_VISIBLE
+import com.android.wm.shell.Flags.FLAG_ENABLE_BUBBLE_BAR
 import com.android.wm.shell.shared.bubbles.BubbleConstants.BUBBLE_EXPANDED_SCRIM_ALPHA
 import com.google.common.truth.Truth.assertThat
 import org.junit.Rule
@@ -43,7 +48,8 @@
 @RunWith(LauncherMultivalentJUnit::class)
 @EmulatedDevices(["pixelTablet2023"])
 class TaskbarScrimViewControllerTest {
-    @get:Rule(order = 0)
+    @get:Rule(order = 0) val setFlagsRule = SetFlagsRule()
+    @get:Rule(order = 1)
     val context =
         TaskbarWindowSandboxContext.create { builder ->
             builder.bindSystemUiProxy(
@@ -55,9 +61,9 @@
                 }
             )
         }
-    @get:Rule(order = 1) val taskbarModeRule = TaskbarModeRule(context)
-    @get:Rule(order = 2) val animatorTestRule = AnimatorTestRule(this)
-    @get:Rule(order = 3) val taskbarUnitTestRule = TaskbarUnitTestRule(this, context)
+    @get:Rule(order = 2) val taskbarModeRule = TaskbarModeRule(context)
+    @get:Rule(order = 3) val animatorTestRule = AnimatorTestRule(this)
+    @get:Rule(order = 4) val taskbarUnitTestRule = TaskbarUnitTestRule(this, context)
 
     @InjectController lateinit var scrimViewController: TaskbarScrimViewController
 
@@ -90,6 +96,7 @@
     }
 
     @Test
+    @DisableFlags(FLAG_ENABLE_BUBBLE_BAR)
     @TaskbarMode(PINNED)
     fun testOnTaskbarVisibilityChanged_pinnedTaskbarHiddenDuringScrim_hidesScrim() {
         getInstrumentation().runOnMainSync {
@@ -106,6 +113,26 @@
     }
 
     @Test
+    @EnableFlags(FLAG_ENABLE_BUBBLE_BAR)
+    @TaskbarMode(PINNED)
+    fun testOnTaskbarVisibilityChanged_pinnedTaskbarOnHomeHiddenDuringScrim_hidesScrim() {
+        getInstrumentation().runOnMainSync {
+            scrimViewController.onTaskbarVisibilityChanged(VISIBLE)
+            taskbarUnitTestRule.activityContext.bubbleControllers!!
+                .bubbleStashController
+                .launcherState = BubbleStashController.BubbleLauncherState.HOME
+            scrimViewController.updateStateForSysuiFlags(SYSUI_STATE_BUBBLES_EXPANDED, true)
+        }
+        assertThat(scrimViewController.scrimAlpha).isEqualTo(BUBBLE_EXPANDED_SCRIM_ALPHA)
+
+        getInstrumentation().runOnMainSync {
+            scrimViewController.onTaskbarVisibilityChanged(GONE)
+            animatorTestRule.advanceTimeBy(animationDuration)
+        }
+        assertThat(scrimViewController.scrimAlpha).isEqualTo(0)
+    }
+
+    @Test
     @TaskbarMode(PINNED)
     fun testOnTaskbarVisibilityChanged_notificationsOverPinnedTaskbarAndBubbles_noScrim() {
         getInstrumentation().runOnMainSync {