//AppDelegate.m
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {//Override point for customization after application launch.self.window =[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
self.window.backgroundColor=[UIColor whiteColor];
RootViewController*rootView=[[RootViewController alloc]init];
UINavigationController*nav =[[UINavigationController alloc]initWithRootViewController:rootView];
[_window setRootViewController:nav];
[nav release];
[rootView release];returnYES;
}
//RootViewController.m- (void)viewDidLoad {//Do any additional setup after loading the view.[super viewDidLoad];//Do any additional setup after loading the view.[self.navigationController.navigationBar setTranslucent:NO];//设置navigationbar的半透明self.title=@"RootViewController";//设置navigationbar上显示的标题[self.navigationController.navigationBar setBarTintColor:[UIColor purpleColor]];//设置navigationbar的颜色self.navigationItem.leftBarButtonItem= [[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonItemStyleDone target:self action:Nil];//设置navigationbar左边按钮self.navigationItem.rightBarButtonItem= [[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonItemStylePlain target:self action:Nil];//设置navigationbar右边按钮[self.navigationController.navigationBar setTintColor:[UIColor whiteColor]];//设置navigationbar上左右按钮字体颜色//self.navigationItem.rightBarButtonItem setTarget:<#(id)#>//动态添加一个按钮UIButton*button =[UIButton buttonWithType:UIButtonTypeRoundedRect];
button.frame= CGRectMake(0,300,300,50);
[button setTitle:@"新添加的动态按钮"forState: UIControlStateNormal];
button.backgroundColor=[UIColor clearColor];
button.tag=2000;
[button addTarget:self action:@selector(clicked:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:button];
}- (void)clicked:(id) sender{
SecondViewController*second =[[SecondViewController alloc]init];
[self.navigationController pushViewController:second animated:YES];//second.str = @"hello!!";[second release];
}//这个是新按钮的响应函数-(IBAction) buttonClicked:(id)sender {
UIAlertView*alert = [[UIAlertView alloc] initWithTitle:@"提示"message:@"单击了动态按钮！"delegate:self
cancelButtonTitle:@"确定"otherButtonTitles:nil];
[alert show];
[alert release];
}
UINavigationController 导航页
设置根界面：
UINavigationController *nav =[[UINavigationController alloc]initWithRootViewController:rootView];
按钮响应：
[button addTarget:self action:@selector(clicked:) forControlEvents:UIControlEventTouchUpInside];
响应方法签名：- (void)clicked:(id) sender