title: Force willAnimateRotationToInterfaceOrientation method
body: <p>I want to call willAnimateRotationToInterfaceOrientation method when my app starts, how can I force this method toe execute?
  It's only invoked when I rotate device now :(</p>
  
  <pre><code>- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation 
  {    
      return YES;
  }
  </code></pre>
  
  <p>One detail... when device is in horizontal mode it is called but when I start with device in vertical mode this method is never invoked :(</p>