The UINavigationBar is the most commonly used UINavigationBar at the top of iOS app screens.

Class hierarchy of UINavigationBar.

NSObject
↑upside down
UIResponder.
↑upside down
UIView.
↑upside down
UINavigationBar
AppleDeveloper Reference UINavigationBar

UINavigationBar example sentence

Generate a UINavigationBar and put a title and button on it.