April 2020
Intermediate to advanced
528 pages
15h 40m
English
Content preview from iOS Programming: The Big Nerd Ranch Guide, 7th Edition
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UINavigationController
A UINavigationController maintains an array of view controllers presenting related information in a stack. When a UIViewController is on top of the stack, its view is visible.
When you initialize an instance of UINavigationController, you give it a UIViewController. This UIViewController is added to the navigation controller’s viewControllers array and becomes the navigation controller’s root view controller. The root view controller is always on the bottom of the stack. (Note that while this view controller is referred to as the navigation controller’s “root view controller,” UINavigationController does not have a rootViewController property.)
More view controllers can be pushed on top of the UINavigationController ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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