Fix NPE caused by support library update

trafi · Jan 3, 2018 · 83e4bcb · 83e4bcb
1 parent 3f1a72a
commit 83e4bcb
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/library/src/main/java/com/trafi/anchorbottomsheetbehavior/AnchorBottomSheetBehavior.java b/library/src/main/java/com/trafi/anchorbottomsheetbehavior/AnchorBottomSheetBehavior.java
@@ -362,7 +362,9 @@ public boolean onTouchEvent(CoordinatorLayout parent, V child, MotionEvent event
         if (mState == STATE_DRAGGING && action == MotionEvent.ACTION_DOWN) {
             return true;
         }
-        mViewDragHelper.processTouchEvent(event);
+        if (mViewDragHelper != null) {
+            mViewDragHelper.processTouchEvent(event);
+        }
         // Record the velocity
         if (action == MotionEvent.ACTION_DOWN) {
             reset();