iPod controls will exit my application <p>I would like to allow controlling the iPod on top of my application when the user double taps the home button. I know there are a few apps out there that allow this. Unfortunately my app just quits.</p> <p>Do I have to set anything to allow this behavior? Is it possible that my app prevents the iPod app from showing above it because it also plays a sound from time to time?</p>