1 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { 2     // 設置window 3     self.window = [[UIWindow alloc] init]; 4     self.window.frame = [[UIScreen mainScreen] bounds]; 5     self.window.backgroundColor = [UIColor grayColor]; // window是灰色背景 6     [self.window makeKeyAndVisible]; 7     8     9     // 設置UINavigationController10     UINavigationController *nvController = [[UINavigationController alloc] init];11     nvController.view.backgroundColor = [UIColor blueColor]; // 設置藍色背景12     self.window.rootViewController = nvController;13    14     return YES;15 }

 1     // 配置第一個子控制器 2     ViewControllerOne *vc1 = [[ViewControllerOne alloc] init]; 3     [nvController pushViewController:vc1 animated:YES]; 4     5     // 配置第二個子控制器 6     ViewControllerTwo *vc2 = [[ViewControllerTwo alloc] init]; 7     [nvController pushViewController:vc2 animated:YES]; 8     9     // 配置第三個子控制器，這是棧頂的控制器10     ViewControllerThree *vc3 = [[ViewControllerThree alloc] init];11     [nvController pushViewController:vc3 animated:YES];

1 - (void)applicationDidBecomeActive:(UIApplication *)application {2     // 必須在加載完畢激活app后，所有的view的尺寸位置才能確定3     UINavigationController *nvController = (UINavigationController *)self.window.rootViewController;4     NSLog(@"%@", NSStringFromCGRect(nvController.view.frame)); // 整個導航控制器的frame5     NSLog(@"%@", NSStringFromCGRect(nvController.navigationBar.frame)); // 導航條的frame6 }7  

1 @PRoperty(nonatomic,copy) NSArray *viewControllers; // The current view controller stack.

1 - (void)pushViewController:(UIViewController *)viewController animated:(BOOL)animated; // Uses a horizontal slide transition. Has no effect if the view controller is already in the stack.

1     // 配置第一個子控制器2     ViewControllerOne *vc1 = [[ViewControllerOne alloc] init];3     [nvController pushViewController:vc1 animated:YES];

1     ViewControllerOne *vc1 = [[ViewControllerOne alloc] init];2     [nvController addChildViewController:vc1];

1     // 配置第一個子控制器2     ViewControllerOne *vc1 = [[ViewControllerOne alloc] init];3     nvController.viewControllers = @[vc1];

1     // 傳入一個viewController作為 nvController的 rootViewController2     nvController = [[UINavigationController alloc] initWithRootViewController:vc1];

 1 - (IBAction)goToThree { 2     // 配置第三個子控制器 3     ViewControllerThree *vc3 = [[ViewControllerThree alloc] init]; 4     [self.navigationController pushViewController:vc3 animated:YES]; 5 } 6  7 - (IBAction)gotoFour { 8     // 配置第四個子控制器 9     ViewControllerFour *vc4 = [[ViewControllerFour alloc] init];10     [self.navigationController pushViewController:vc4 animated:YES];11 }

1 // 這里是第三個，要回到第二個2 - (IBAction)backtoTwo {3     [self.navigationController popViewControllerAnimated:YES];4 }

1 // 現在是第三個控制器的view，要回到第一個控制器的view2 - (IBAction)backtoOne {3     // 其實這里拿不到第一個控制器vc1的引用4 //    [self.navigationController popToViewController:vc1 animated:YES];5    6     // 直接彈出，直到導航器的rootViewController，就是第一個子控制器vc1了7     [self.navigationController popToRootViewControllerAnimated:YES];8 }

1 @property(nonatomic,copy) NSString *title;  // Localized title for use by a parent controller.

1 - (void)viewDidLoad {2     [super viewDidLoad];3     self.navigationItem.title = @"第一個view";4 }

 1 - (void)viewDidLoad { 2     [super viewDidLoad]; 3     self.navigationItem.title = @"第二個控制器"; 4     5 //     設置左上角的item 6     self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"我要回去" style:UIBarButtonItemStylePlain target:nil action:nil]; 7     8     // 設置右上角的item 9     // 使用bar按鈕10     UIBarButtonItem *item1 = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCompose target:nil action:nil];11    12     // 使用自定義view13     UIBarButtonItem *item2 = [[UIBarButtonItem alloc] initWithCustomView:[UIButton buttonWithType:UIButtonTypeContactAdd]];14    15     // 這是這是從右到左排列顯示16     self.navigationItem.rightBarButtonItems = @[item1,item2];17 }

1 // 第二個控制器2 - (void)viewDidLoad {3     [super viewDidLoad];4      ...5     // 設置第二個控制器的“返回”樣式6     self.navigationItem.backBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"速速回2" style:UIBarButtonItemStylePlain target:nil action:nil];7 }

1 - (void)applicationDidBecomeActive:(UIApplication *)application {2     // 必須在加載完畢激活app后，所有的view的尺寸位置才能確定3     UINavigationController *nvController = (UINavigationController *)self.window.rootViewController;4     NSLog(@"%@", NSStringFromCGRect(nvController.view.frame)); // 整個導航控制器的frame5     NSLog(@"%@", NSStringFromCGRect(nvController.navigationBar.frame)); // 導航條的frame6 }