1 files changed, 3 insertions, 0 deletions
diff --git a/src/com/android/launcher3/util/VerticalFlingDetector.java b/src/com/android/launcher3/util/VerticalFlingDetector.java
index 5f2b3f3ac..7236c2d1b 100644
--- a/src/com/android/launcher3/util/VerticalFlingDetector.java
+++ b/src/com/android/launcher3/util/VerticalFlingDetector.java
@@ -79,6 +79,9 @@ public class VerticalFlingDetector implements View.OnTouchListener {
     }
 
     private void cleanUp() {
+        if (mVelocityTracker == null) {
+            return;
+        }
         mVelocityTracker.recycle();
         mVelocityTracker = null;
     }