create MyTracksApplication to keep global state like TrackDataHub

2026-10-04 10:23:06 +02:00 · 2011-09-22 11:25:27 -07:00
parent 4f9b6535fb
commit 43a1ec60ce
8 changed files with 49 additions and 37 deletions
@@ -0,0 +1,34 @@
+// Copyright 2011 Google Inc. All Rights Reserved.
+
+package com.google.android.apps.mytracks;
+
+import com.google.android.apps.mytracks.content.TrackDataHub;
+
+import android.app.Application;
+
+/**
+ * MyTracksApplication for keeping global state.
+ * 
+ * @author jshih@google.com (Jimmy Shih)
+ *
+ */
+public class MyTracksApplication extends Application {
+  private TrackDataHub trackDataHub;
+
+  /**
+   * Gets the application's TrackDataHub.
+   * 
+   */
+  public TrackDataHub getTrackDataHub() {
+    if (trackDataHub == null) {     
+      trackDataHub = TrackDataHub.newInstance(getApplicationContext());
+    }
+    return trackDataHub;
+  }
+  
+  @Override
+  public void onTerminate() {
+    trackDataHub = null;
+    super.onTerminate();
+  }  
+}