title: Android - Avoiding a service to stop when pressing back button
body: <p>I created and binded a service in an activity and I would like to know how I can avoiding the android application to stop when I press the back button.</p>
  
  <p>When the back button is pressed the onDestroy method is called and I unbinded the service in this method.
  I try to prevent it by taking care of the back button event and manually call for onStop() method but it always called onDestroy after, why?</p>