diff --git a/quickstep/src/com/android/quickstep/interaction/HomeGestureTutorialController.java b/quickstep/src/com/android/quickstep/interaction/HomeGestureTutorialController.java
index 99d417e..73a08c3 100644
--- a/quickstep/src/com/android/quickstep/interaction/HomeGestureTutorialController.java
+++ b/quickstep/src/com/android/quickstep/interaction/HomeGestureTutorialController.java
@@ -92,6 +92,7 @@
                     case BACK_COMPLETED_FROM_RIGHT:
                     case BACK_CANCELLED_FROM_LEFT:
                     case BACK_CANCELLED_FROM_RIGHT:
+                    case BACK_NOT_STARTED_TOO_FAR_FROM_EDGE:
                         showFeedback(R.string.home_gesture_feedback_swipe_too_far_from_edge);
                         break;
                 }
diff --git a/quickstep/src/com/android/quickstep/views/DigitalWellBeingToast.java b/quickstep/src/com/android/quickstep/views/DigitalWellBeingToast.java
index af80d5f..7cd6756 100644
--- a/quickstep/src/com/android/quickstep/views/DigitalWellBeingToast.java
+++ b/quickstep/src/com/android/quickstep/views/DigitalWellBeingToast.java
@@ -326,7 +326,11 @@
     }
 
     private void setBannerOutline() {
-        mOldBannerOutlineProvider = mBanner.getOutlineProvider();
+        // TODO(b\273367585) to investigate why mBanner.getOutlineProvider() can be null
+        mOldBannerOutlineProvider = mBanner.getOutlineProvider() != null
+                ? mBanner.getOutlineProvider()
+                : ViewOutlineProvider.BACKGROUND;
+
         mBanner.setOutlineProvider(new ViewOutlineProvider() {
             @Override
             public void getOutline(View view, Outline outline) {