title: Return to app from background on iOS
body: <p>I have an app that works in background successfully. It also has a working URL scheme set up and running.</p>
  
  <p>Now I need to implement the following scenario - after 5 seconds in background I want the app to open <em>itself</em> up - and make it a foreground one.</p>
  
  <p>The public method doesn't seem to work from the app:
  <code>[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"shdServer://"]];</code></p>
  
  <p>Is there any private API to return to the app from the background? Or is it impossible at all on iOS?</p>
  
  <p>Publication on the AppStore is <strong>not</strong> needed</p>