UIBarItem is an abstract superclass for items added to a bar that appears at the bottom of the screen. Items on a bar behave in a way similar to buttons (instances of
UIButton). They have a title, image, action, and target. You can also enable and disable an item on a bar.
- iOS 2.0+
- tvOS 2.0+
In iOS v5.0 and later, you can also specify a custom image and position to use in landscape orientation when using the iPhone appearance idiom using
landscapeImagePhoneInsets respectively. In addition, you can customize the title’s text attributes using
setTitleTextAttributes(_:for:), either for a single item, or for all items by using the appearance proxy (for example,