UINavigationButton is a subclass of UIButton which is the actual control that the UIBarButtonItems represents.
Styles and bar styles
As of 3.2, a UINavigationButton can accept 5 different kinds of styles, and 4 different kinds of bar styles, as shown above. The styles are:
- 0: Normal
- 1: Back
- 2: Done
- 3: Cancel
- 4: White (3.2 –)
and the bar styles are:
- 0: UIBarStyleDefault
- 1: UIBarStyleBlack
- 2: UIBarStyleBlackTranslucent
- 3: Popover (3.2 –)
References