Add null check for MotionEvent#getDevice.

MotionEvent#getDevice can return null when the device is
unknown.

Change-Id: I902a96300307e3b2d3b324a2998e470254388e27

1 files changed, 4 insertions, 1 deletions

diff --git a/core/java/android/view/ViewRootImpl.java b/core/java/android/view/ViewRootImpl.java
index 7d39a0cc20d9..e17bdd7d9a3e 100644
--- a/core/java/android/view/ViewRootImpl.java
+++ b/core/java/android/view/ViewRootImpl.java
@@ -4191,7 +4191,10 @@ public final class ViewRootImpl implements ViewParent,
 
                     if (mPointerIconShape != pointerShape) {
                         mPointerIconShape = pointerShape;
-                        event.getDevice().setPointerShape(pointerShape);
+                        final InputDevice inputDevice = event.getDevice();
+                        if (inputDevice != null) {
+                            inputDevice.setPointerShape(pointerShape);
+                        }
                     }
                 } else if (event.getActionMasked() == MotionEvent.ACTION_HOVER_MOVE) {
                     mPointerIconShape = PointerIcon.STYLE_NOT_SPECIFIED;