From 381022fde0f529e7ccf15c1fe8046c2afdea9de5 Mon Sep 17 00:00:00 2001
From: Jimmy Shih <jshih@google.com>
Date: Fri, 24 Jan 2014 15:28:41 -0800
Subject: [PATCH] Fix a null pointer in TrackDataHub

---
 .../google/android/apps/mytracks/content/TrackDataHub.java    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/MyTracks/src/com/google/android/apps/mytracks/content/TrackDataHub.java b/MyTracks/src/com/google/android/apps/mytracks/content/TrackDataHub.java
index 595e0225d..68c276f4e 100644
--- a/MyTracks/src/com/google/android/apps/mytracks/content/TrackDataHub.java
+++ b/MyTracks/src/com/google/android/apps/mytracks/content/TrackDataHub.java
@@ -184,8 +184,8 @@ public class TrackDataHub implements DataSourceListener {
     runInHanderThread(new Runnable() {
         @Override
       public void run() {
+        trackDataManager.registerListener(trackDataListener, trackDataTypes);
         if (dataSourceManager != null) {
-          trackDataManager.registerListener(trackDataListener, trackDataTypes);
           dataSourceManager.updateListeners(trackDataManager.getRegisteredTrackDataTypes());
           loadDataForListener(trackDataListener);
         }
@@ -202,8 +202,8 @@ public class TrackDataHub implements DataSourceListener {
     runInHanderThread(new Runnable() {
         @Override
       public void run() {
+        trackDataManager.unregisterListener(trackDataListener);
         if (dataSourceManager != null) {
-          trackDataManager.unregisterListener(trackDataListener);
           dataSourceManager.updateListeners(trackDataManager.getRegisteredTrackDataTypes());
         }
       }