commit 125e95f0c95f40587af8c2a3fe5e678925afe315
author Yorke Lee <yorkelee@google.com> Wed May 28 07:47:44 2014 -0700
committer Yorke Lee <yorkelee@google.com> Wed May 28 07:48:27 2014 -0700
tree 5a7826d05d39d435778738544e945b22b6e6b84d
parent 7d6a2cc5758909d3ba959f3cc0b8771e444a3c27

Fix NPE caused by null velocity tracker

Bug: 15012441
Change-Id: I5ffe98435f33c8991176bee6dd9208c81b03712c

src/com/android/dialer/widget/ViewDragHelper.java

diff --git a/src/com/android/dialer/widget/ViewDragHelper.java b/src/com/android/dialer/widget/ViewDragHelper.java
index 6881e4b..3d55ad4 100644
--- a/src/com/android/dialer/widget/ViewDragHelper.java
+++ b/src/com/android/dialer/widget/ViewDragHelper.java
@@ -1454,6 +1454,9 @@
      * @param target The child view that is dispatching the nested scroll.
      */
     public void startNestedScroll(View target) {
+        if (mVelocityTracker == null) {
+            mVelocityTracker = VelocityTracker.obtain();
+        }
         setDragState(STATE_DRAGGING);
         mCapturedView = target;
     }