title: How do I hide the master part of a UISplitViewController programatically?
body: <p>In my UISplitViewController, I want the "master" part of the view to hide itself and the "detail" part take over the full screen when the user clicks a button in landscape. Likewise, clicking the button again takes the user back the standard, split screen view. Is it possible to do this with the built-in class?</p>