Shulou(Shulou.com)06/03 Report--

This article mainly introduces the development and use of iphone navigation controller, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let Xiaobian take you to understand.

@ class ViewController

@ interface AppDelegate: UIResponder

@ property (strong, nonatomic) UIWindow * window

@ property (strong, nonatomic) ViewController * viewController

@ property (strong, nonatomic) UINavigationController * navController

@ end

/ / set the navigation button

UIBarButtonItem * backButton = [[UIBarButtonItem alloc] initWithTitle:@ "Back" style:UIBarButtonItemStyleBordered target:self action:@selector (backButtonPressd)]

/ / the first parameter is the button title

/ / the second parameter is the button style

/ / the third parameter accepts the object of the message

/ / the fourth parameter is the callback function of the button

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