tabbar 嵌套 navigation

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源代码：点击打开链接

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AppDelegate.m

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions

{

self.window = [[UIWindowalloc]initWithFrame:[[UIScreenmainScreen]bounds]];

// Override point for customization after application launch.

if ([[UIDevicecurrentDevice]userInterfaceIdiom] ==UIUserInterfaceIdiomPhone) {

UIViewController *oneVC = [[OneViewControlleralloc]initWithNibName:@"one_iphone"bundle:nil];

UINavigationController *Nav1 = [[UINavigationControlleralloc]initWithRootViewController:oneVC];

UIViewController *twoVC = [[TwoViewControlleralloc]initWithNibName:@"two_iphone"bundle:nil];

UINavigationController *Nav2 = [[UINavigationControlleralloc]initWithRootViewController:twoVC];

UIViewController *threeVC = [[ThreeViewControlleralloc]initWithNibName:@"three_iphone"bundle:nil];

UINavigationController *Nav3 = [[UINavigationControlleralloc]initWithRootViewController:threeVC];

UIViewController *fourVC = [[FourViewControlleralloc]initWithNibName:@"four_iphone"bundle:nil];

UINavigationController *Nav4 = [[UINavigationControlleralloc]initWithRootViewController:fourVC];

self.tabbarController = [[UITabBarControlleralloc]init];

self.tabbarController.viewControllers =@[Nav1,Nav2,Nav3,Nav4];

}else {

UIViewController *oneVC = [[OneViewControlleralloc]initWithNibName:@"one_ipad"bundle:nil];

UINavigationController *oneNav = [[UINavigationControlleralloc]initWithRootViewController:oneVC];

UIViewController *twoVC = [[TwoViewControlleralloc]initWithNibName:@"two_ipad"bundle:nil];

UINavigationController *twoNav = [[UINavigationControlleralloc]initWithRootViewController:twoVC];

UIViewController *threeVC = [[ThreeViewControlleralloc]initWithNibName:@"three_ipad"bundle:nil];

UINavigationController *threeNav = [[UINavigationControlleralloc]initWithRootViewController:threeVC];

UIViewController *fourVC = [[FourViewControlleralloc]initWithNibName:@"four_ipad"bundle:nil];

UINavigationController *fourNav = [[UINavigationControlleralloc]initWithRootViewController:fourVC];

self.tabbarController = [[UITabBarControlleralloc]init];

self.tabbarController.viewControllers =@[oneNav,twoNav,threeNav,fourNav];

}

self.window.rootViewController =self.tabbarController;

self.window.backgroundColor = [UIColorwhiteColor];

[self.windowmakeKeyAndVisible];

return YES;

}

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OneViewController.m

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil

{

self = [superinitWithNibName:nibNameOrNilbundle:nibBundleOrNil];

if (self) {

// Custom initialization

self.title =@"one";

self.tabBarItem.image = [UIImageimageNamed:@"second.png"];

//navigationbar 右边的按钮

UIBarButtonItem *rightButton = [[UIBarButtonItemalloc]initWithTitle:@"下一层" style:UIBarButtonItemStyleBordered target:self action:@selector(rightTap:)];

self.navigationItem.rightBarButtonItem = rightButton;

//navigationbar 左边的按钮

UIBarButtonItem *leftButton = [[UIBarButtonItemalloc]initWithTitle:@"更多"style:UIBarButtonItemStyleBorderedtarget:selfaction:@selector(leftTap:)];

self.navigationItem.leftBarButtonItem = leftButton;

}

return self;

}

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navigation 从第一层跳到第二层里面。。

- (IBAction)rightTap:(id)sender {

oneAViewController *VC = [[oneAViewControlleralloc]initWithNibName:@"oneA_iphone"bundle:nil];

VC.title =@"第二层";

[self.navigationControllerpushViewController:VCanimated:YES];

}

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显示98%。。。显示百分号％

valueLabel.text = [NSString stringWithFormat:@"%.0f%%",progressValue];

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