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Commit e89f48bf authored by Svetoslav's avatar Svetoslav
Browse files

Crash in ViewRootImpl when accessibility is on. 

We fire view subtree mutation events every X amount of time.
It was possible that the runnable that fires an event to be
scheduled more than once while this should not happen. As
a result there was a crash since we did not expect to have
a second run and nullified a reference.

bug:9422804

Change-Id: I914e163b026cd217e1536ab0ed3a6b11113c2c73
parent 9f6bb77e

core/java/android/view/ViewRootImpl.java

+1 −1
Original line number Diff line number Diff line
@@ -6449,8 +6449,8 @@ public final class ViewRootImpl implements ViewParent, 
            final long timeSinceLastMillis = SystemClock.uptimeMillis() - mLastEventTimeMillis;

            final long minEventIntevalMillis =

                    ViewConfiguration.getSendRecurringAccessibilityEventsInterval();

            if (timeSinceLastMillis >= minEventIntevalMillis) {

            mSource.removeCallbacks(this);

            if (timeSinceLastMillis >= minEventIntevalMillis) {

                run();

            } else {

                mSource.postDelayed(this, minEventIntevalMillis - timeSinceLastMillis);