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Check for valid surface when starting to drag
authorRiddle Hsu <riddlehsu@google.com>
Thu, 28 Jun 2018 13:44:50 +0000 (21:44 +0800)
committerRiddle Hsu <riddlehsu@google.com>
Thu, 28 Jun 2018 20:59:37 +0000 (20:59 +0000)
commit0328b9c0255d7156a070eaed64682fddffe06a0e
tree9e8b1ce2ad1381d367b208ce59f1948802b368a8
parentdd7b69d3c545233dea708511816faf6346fb022d
Check for valid surface when starting to drag

Also protect creating SurfaceSession with root surface.

Change-Id: I3649f160e85367169710b36faf26c96bef0f71fe
Fix: 110922266
Test: atest CtsViewTestCases:android.view.cts.DragDropTest
core/java/android/view/SurfaceSession.java
core/java/android/view/View.java