IOS学习笔记-UINavgationController

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Creating Navigation Controllers

方法：initWithRootViewController:

Initializes and returns a newly created navigation controller.

- (instancetype)initWithRootViewController:(UIViewController *)rootViewController

参数：UIViewController

方法：initWithNavigationBarClass:toolbarClass
Initializes and returns a newly created navigation controller that uses your custom bar subclasses.

- (instancetype)initWithNavigationBarClass:(Class)navigationBarClass
                              toolbarClass:(Class)toolbarClass

参数：navigationBarClass、toolbarClass

附言：

Use this initialization method if you want to use custom navigation bar or toolbar subclasses with the navigation controller. If you use this method, you are responsible for adding a root view controller before presenting the navigation controller onscreen.

IOS学习笔记-UINavgationController

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原文地址：http://www.cnblogs.com/nr8671800/p/4432152.html