Fixes #1949253. Prevents NPE on startup.

samples/Home/src/com/example/android/home/Home.java

@@ -255,6 +255,12 @@ public class Home extends Activity {
     private void bindFavorites(boolean isLaunching) {
         if (!isLaunching || mFavorites == null) {
 
+            if (mFavorites == null) {
+                mFavorites = new LinkedList<ApplicationInfo>();
+            } else {
+                mFavorites.clear();
+            }            
+            
             FileReader favReader;
 
             // Environment.getRootDirectory() is a fancy way of saying ANDROID_ROOT or "/system".
@@ -266,12 +272,6 @@ public class Home extends Activity {
                 return;
             }
 
-            if (mFavorites == null) {
-                mFavorites = new LinkedList<ApplicationInfo>();
-            } else {
-                mFavorites.clear();
-            }
-
             final Intent intent = new Intent(Intent.ACTION_MAIN, null);
             intent.addCategory(Intent.CATEGORY_LAUNCHER);