Tells the delegate when the interface orientation of the status bar is about to change.
- iOS 2.0+
Your singleton app object.
A constant that indicates the new orientation of the app’s user interface; see Responding to App State Changes and System Events for details.
The duration of the animation to the new orientation, in seconds.
The delegate typically implements this method to prepare its windows and views for the new orientation. The delegate can get the current device orientation from the shared
After calling this method, the app also posts a
will notification to give interested objects a chance to respond to the change.