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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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