From 9e224d13adcd3c32e32adaadfb79457708dd5117 Mon Sep 17 00:00:00 2001
From: Jimmy Shih <jshih@google.com>
Date: Thu, 5 Apr 2012 17:50:54 -0700
Subject: [PATCH] Fix crashes when trackDataHub is null

---
 .../src/com/google/android/apps/mytracks/MapFragment.java   | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/MyTracks/src/com/google/android/apps/mytracks/MapFragment.java b/MyTracks/src/com/google/android/apps/mytracks/MapFragment.java
index f35a20e12..f8e5abf77 100644
--- a/MyTracks/src/com/google/android/apps/mytracks/MapFragment.java
+++ b/MyTracks/src/com/google/android/apps/mytracks/MapFragment.java
@@ -414,8 +414,10 @@ public class MapFragment extends Fragment
    * Updates the trackDataHub. Needs to be synchronized because trackDataHub can be
    * accessed by multiple threads. 
    */
-  private synchronized void updateTrackDataHub() { 
-    trackDataHub.forceUpdateLocation();
+  private synchronized void updateTrackDataHub() {
+    if (trackDataHub != null) {
+      trackDataHub.forceUpdateLocation();
+    }
   }
   
   /**