commit 79ba31cccaa81b92eca35b2ba1a9438ab9987f73
author Sunny Goyal <sunnygoyal@google.com> Tue Apr 21 22:39:36 2015 +0000
committer Android Git Automerger <android-git-automerger@android.com> Tue Apr 21 22:39:36 2015 +0000
tree c0d582470fa313db052b6c6239efb8cc99f2ba4d
parent 2fbfc5f5859a3509705b95d9c309f6d188d7e690
parent 7e2a3608b6fa51c884e051625e10d13597cb8796

am 7e2a3608: Preventing concurrent modification exception during widget restore

* commit '7e2a3608b6fa51c884e051625e10d13597cb8796':
  Preventing concurrent modification exception during widget restore

src/com/android/launcher3/LauncherAppWidgetHost.java

diff --git a/src/com/android/launcher3/LauncherAppWidgetHost.java b/src/com/android/launcher3/LauncherAppWidgetHost.java
index a28fd25..583f85a 100644
--- a/src/com/android/launcher3/LauncherAppWidgetHost.java
+++ b/src/com/android/launcher3/LauncherAppWidgetHost.java
@@ -84,8 +84,10 @@
         mLauncher.bindPackagesUpdated(LauncherModel.getSortedWidgetsAndShortcuts(mLauncher,
                 true /* refresh */));
 
-        for (Runnable callback : mProviderChangeListeners) {
-            callback.run();
+        if (!mProviderChangeListeners.isEmpty()) {
+            for (Runnable callback : new ArrayList<>(mProviderChangeListeners)) {
+                callback.run();
+            }
         }
     }