title: push notification to get device location
body: <p>Hi i want to use push notification on android device and get device location for more information<br>
  I want to write application for android that when server want to get android device location push a notification timely to the device  and the application on the device send device location to server timely.<br>
  I can't use Cloud to device messaging service because this service need that user first online and after user is online send server notification with C2DM service!.But i want to send notification to device and get device location any time server wants.</p>