title: Android Push Notification
body: <p>I refered link <a href="http://www.vogella.de/code/de.vogella.android.c2dm/codestartpage.html" rel="noreferrer">a link</a> to develop Push Notification but while running it show me the UI (main.xml). What should I do to create Push Notification (C2DM server) sample app?</p>