SysUI: Null check around ranking map in isAmbient call.

Bug:16907252
Change-Id: Id21e089b99c1836ac0bbffd205ba89dc05f07b9a

diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationData.java b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationData.java
index 7581cc9..9408042 100644 (file)
--- a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationData.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationData.java
@@ -155,8 +155,11 @@ public class NotificationData {
     }
 
     public boolean isAmbient(String key) {
-        mRankingMap.getRanking(key, mTmpRanking);
-        return mTmpRanking.isAmbient();
+        if (mRankingMap != null) {
+            mRankingMap.getRanking(key, mTmpRanking);
+            return mTmpRanking.isAmbient();
+        }
+        return false;
     }
 
     private void updateRankingAndSort(RankingMap ranking) {