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iOS Programming Recipe 28: View Controller Containment & Transitioning

The view controllers of your application coordinate between your data and what is actually displayed on screen. In a well written MVC application the view controllers will be where much of your essential app logic lives and in turn where you will spend a lot of time. UIKit supplies many built-in view controllers and view controllers of view controllers such as UITabBarController or UINavigationController. With these you can accomplish an amazing amount of tasks, but sometimes you need or want something a bit more custom! This article will discuss a few helpful techniques for developing and working with custom view controllers.

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