tree 654588f31f116697ffc7f76991682c871d8b0961
parent e86a1924306ac46c7d22c4eff691467efee23c4b
author Selim Cinek <cinek@google.com> 1563562078 -0700
committer android-build-team Robot <android-build-team-robot@google.com> 1563853033 +0000

Fixed a crash with the headsUpManager

Since the headsUpManager is calling out in various places to
its listeners, the callbacks may query the headsupmanager
in an internally inconsistent state, such that the pinned mode is
true but there is no topEntry. Let's add a null-check for
safety here.

Bug: 137804505
Test: atest SystemUITests
Change-Id: Ibae76b555ca51ccf676228b034a614d59a8b4e8e
(cherry picked from commit 41e7e6edc74e27235f6057def04dd9a6e18f3a8a)