commit 32e3bb502dc1091e03a76743f17632f73bed0178
author Jason Monk <jmonk@google.com> Thu Jul 27 12:35:41 2017 -0400
committer Jason Monk <jmonk@google.com> Thu Jul 27 12:38:37 2017 -0400
tree cfdc4d8dcda79da1081e306861efccdf1bf39745
parent 6628e48a1f3acf73e111caa5b83a35181ed756cc

Fix recents split-screen icon

The funny thing about weak references is, they are weak.

Test: manual
Change-Id: I93b32e0432e6527bb590990f7f62b8b05a7e94fb
Fixes: 63749049

packages/SystemUI/src/com/android/systemui/DockedStackExistsListener.java

diff --git a/packages/SystemUI/src/com/android/systemui/DockedStackExistsListener.java b/packages/SystemUI/src/com/android/systemui/DockedStackExistsListener.java
index 6296297..9fe730a 100644
--- a/packages/SystemUI/src/com/android/systemui/DockedStackExistsListener.java
+++ b/packages/SystemUI/src/com/android/systemui/DockedStackExistsListener.java
@@ -74,8 +74,11 @@
 
     private static void onDockedStackExistsChanged(boolean exists) {
         synchronized (sCallbacks) {
-            sCallbacks.removeIf(wf -> wf.get() == null);
-            sCallbacks.forEach(wf -> wf.get().accept(exists));
+            sCallbacks.removeIf(wf -> {
+                Consumer<Boolean> l = wf.get();
+                if (l != null) l.accept(exists);
+                return l == null;
+            });
         }
     }