commit 85f6fb713feb258197f17a86c45874d542194b71
author Charles Chen <clchen@google.com> Fri Aug 28 11:32:23 2009 -0700
committer Charles Chen <clchen@google.com> Fri Aug 28 11:32:23 2009 -0700
tree 3516e9017e5280d8e0af958d7eda4a6afeca2930
parent 1005569fbb459007ff9d9fddbfa6e49947166166

Fixing bug 2086021. AccessiblityService could sometimes get a null pointer
exception if multiple accessibility services are running and there are
several events all happening within a short period of time.

core/java/android/accessibilityservice/AccessibilityService.java

diff --git a/core/java/android/accessibilityservice/AccessibilityService.java b/core/java/android/accessibilityservice/AccessibilityService.java
index 79bd6e7..8c422a2 100644
--- a/core/java/android/accessibilityservice/AccessibilityService.java
+++ b/core/java/android/accessibilityservice/AccessibilityService.java
@@ -211,8 +211,10 @@
             switch (message.what) {
                 case DO_ON_ACCESSIBILITY_EVENT :
                     AccessibilityEvent event = (AccessibilityEvent) message.obj;
-                    mTarget.onAccessibilityEvent(event);
-                    event.recycle();
+                    if (event != null){
+                      mTarget.onAccessibilityEvent(event);
+                      event.recycle();
+                    }
                     return;
                 case DO_ON_INTERRUPT :
                     mTarget.onInterrupt();