NavigationBar
Navigation bars allow you to present your app’s content in an organized and intuitive way. A navigation bar is displayed at the top of the screen, and contains buttons for navigating through a hierarchy of screens. A navigation bar generally has a back button, a title, and a right button. The most common way to use a navigation bar is with a navigation controller. You can also use a navigation bar as a standalone object in your app.
NavigationBar Navigation bars allow you to present your app’s content in an organized and intuitive way. A navigation bar is displayed at the top of the screen, and contains buttons for navigating through a hierarchy of screens. A navigation bar generally has a back button, a title, and a right button. The most common way to use a navigation bar is with a navigation controller. You can also use a navigation bar as a standalone object in your app.