Dismisses the standard interface used to customize the tab bar.
- iOS 2.0+
true, animate the dismissal of the interface.
true if items on the tab bar changed or
false if they did not.
You rarely need to call this method. Typically, the user dismisses the modal view by tapping the built-in Done button in the interface. However, you might call this method to cancel the customization process because of changes to other parts of your interface.