commit 4748abd56a18248d32fd621f52f4ddbdc9cdfbad
author Christine Chen <christinech@google.com> Wed Aug 07 15:44:15 2013 -0700
committer Christine Chen <christinech@google.com> Wed Aug 07 15:44:15 2013 -0700
tree 09d0bda828be9cb3998975f44288de8334136b27
parent 9b7bac7705b3afcae7b010edc2032c7c0f37f770

Adds duplicate check for CallModeler listeners.

Change-Id: I4f035ac1886354453a6126923484fd5770a63981

src/com/android/phone/CallModeler.java

diff --git a/src/com/android/phone/CallModeler.java b/src/com/android/phone/CallModeler.java
index 13005ee..517a5a9 100644
--- a/src/com/android/phone/CallModeler.java
+++ b/src/com/android/phone/CallModeler.java
@@ -104,7 +104,9 @@
     public void addListener(Listener listener) {
         Preconditions.checkNotNull(listener);
         Preconditions.checkNotNull(mListeners);
-        mListeners.add(listener);
+        if (!mListeners.contains(listener)) {
+            mListeners.add(listener);
+        }
     }
 
     public List<Call> getFullList() {