The Core iOS Developer’s Cookbook, Fifth Edition

Titles and Back Buttons

The central title area is especially customizable. You can assign a title to the navigation item like this:

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self.navigationItem.title = @"My Title"

This is equivalent to setting the view controller’s title property directly. The simplest way to customize the actual title is to use the title property of the child view controller rather than the navigation item:

self.title = @"Hello";

When assigned, the navigation controller uses the title to establish the Back button’s “go back” text. If you push a new controller on top of a controller titled "Hello", the Back button indicates that it links to "Hello".

You could also replace the text-based title with a custom view such as a control. This code ...