The Problem

The UISplitViewController is the flagship iPad user interface element, as it allows your application to optimize the use of the large screen.  This control manages 2 views, usually a master view (for navigation) and a detail view (for content).  When in landscape mode, the controller shows both views side-by-side, and when the device is rotated to portrait mode, the master view is hidden and the detail view occupies the full screen.  In this case, the SplitView controller places the master view in a hidden UIPopoverController, and the common MO is to add a button to a toolbar ...