From f586c925d5199864a1087d153086079004b874e3 Mon Sep 17 00:00:00 2001
From: George Mount <mount@google.com>
Date: Mon, 4 May 2015 15:01:55 -0700
Subject: [PATCH] Fix potential NPE in internal isValidTarget method.

Bug 19805383

Change-Id: Ib22d86cca5e1225b12ed39ac988824eeb9c58bbd
---
 core/java/android/transition/Transition.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/core/java/android/transition/Transition.java b/core/java/android/transition/Transition.java
index c94204295716e..ebc2aac5242e5 100644
--- a/core/java/android/transition/Transition.java
+++ b/core/java/android/transition/Transition.java
@@ -792,6 +792,9 @@ public abstract class Transition implements Cloneable {
      * views are ignored and only the ids are used).
      */
     boolean isValidTarget(View target) {
+        if (target == null) {
+            return false;
+        }
         int targetId = target.getId();
         if (mTargetIdExcludes != null && mTargetIdExcludes.contains(targetId)) {
             return false;