commit 5cbaaa3cb51ca807e9f0d19442bf830f5d3508de
author Craig Mautner <cmautner@google.com> Tue Oct 29 13:39:26 2013 -0700
committer Craig Mautner <cmautner@google.com> Tue Oct 29 13:39:26 2013 -0700
tree 1fa5ccbf8dfac06cac04dbfc7f869b5b8a0ffd83
parent 66b753b06bb265d3f5b25244856f8d827a9dc5af

Do not fetch tasks that don't have activities.

Fixes NullPointerException bug 11432611.

Change-Id: I62e765750e2613ecfb79e13021631ed2cd4e79f3

services/java/com/android/server/am/ActivityStack.java

diff --git a/services/java/com/android/server/am/ActivityStack.java b/services/java/com/android/server/am/ActivityStack.java
index 2e5dedf..44ff3bc 100644
--- a/services/java/com/android/server/am/ActivityStack.java
+++ b/services/java/com/android/server/am/ActivityStack.java
@@ -3408,6 +3408,9 @@
             int numActivities = 0;
             int numRunning = 0;
             final ArrayList<ActivityRecord> activities = task.mActivities;
+            if (activities.isEmpty()) {
+                continue;
+            }
             for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
                 r = activities.get(activityNdx);