Merge "Add null check for recents scaling during quick switch." into sc-v2-dev am: d32a472e5c

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15358270

Change-Id: I7651d1192328c675bc4b31b97ded7869f7442ad1
diff --git a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index 357d407..076f28a 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -1821,7 +1821,7 @@
 
     // Scaling of RecentsView during quick switch based on amount of recents scroll
     private float getScaleProgressDueToScroll() {
-        if (!mActivity.getDeviceProfile().isTablet || mRecentsView == null
+        if (mActivity == null || !mActivity.getDeviceProfile().isTablet || mRecentsView == null
                 || !mRecentsViewScrollLinked) {
             return 0;
         }