导航控制器(UINaigationControl)

来源：互联网发布：怎么在淘宝买病假条编辑：程序博客网时间：2024/05/29 10:22

第一个页面FirstViewController.m

- (void)viewDidLoad{    [super viewDidLoad];// Do any additional setup after loading the view.        UIImageView * showView = [[UIImageView alloc]initWithFrame:CGRectMake(60, 0, 200, 400)];    showView.image = [UIImage imageNamed:@"showPic"];    [self.view addSubview:showView];    [showView release];            //导航栏的样式    //白色的透明的导航栏    //self.navigationController.navigationBar.barStyle = UIBarStyleDefault;    //黑色的透明的导航栏    //self.navigationController.navigationBar.barStyle = UIBarStyleBlack;    //设置非透明的导航栏    //self.navigationController.navigationBar.translucent = NO;    //设置背景颜色    //self.navigationController.navigationBar.barTintColor = [UIColor purpleColor];    //设置按钮颜色    //self.navigationController.navigationBar.tintColor = [UIColor greenColor];            [self.navigationController.navigationBar setBackgroundImage:[UIImage imageNamed:@"NavBar_44.png"] forBarMetrics:UIBarMetricsDefault];            self.view.backgroundColor = [UIColor redColor];    UILabel * firstLable = [[UILabel alloc] initWithFrame:CGRectMake(60, 100, 200, 40)];        self.navigationItem.title = @"First";       //self.navigationItem.titleView =    //[UIImage imageNamed:@"NavBtnLeft.png" ];    //设置 导航栏 左侧 右侧        //系统定义//    UIBarButtonItem * rightButtonItem = [[UIBarButtonItem alloc]initWithBarButtonSystemItem:(UIBarButtonSystemItemFastForward) target:self action:@selector(didClickPushButtonAction)];//    self.navigationItem.rightBarButtonItem = rightButtonItem;        //自定义    UIBarButtonItem * rightButtonItem = [[UIBarButtonItem alloc]initWithTitle:@"下一页" style:UIBarButtonItemStyleBordered target:self action:@selector(didClickPushButtonAction)];    self.navigationItem.rightBarButtonItem = rightButtonItem;    //    UIBarButtonSystemItem * life = [UIBarButtonItem alloc]=rightButtonItem;                        firstLable.text = @"第一页";    firstLable.backgroundColor = [UIColor redColor];    firstLable.textAlignment = NSTextAlignmentCenter;    [self.view addSubview:firstLable];    [firstLable release];        UIButton * pushButton = [UIButton buttonWithType:UIButtonTypeSystem];    pushButton.frame = CGRectMake(100, 200, 100, 100);    [pushButton setTitle:@"push" forState:UIControlStateNormal ];    [pushButton addTarget:self action:@selector(didClickPushButtonAction) forControlEvents:UIControlEventTouchUpInside];    [self.view addSubview:pushButton];     NSLog(@"我是加载页面%s,%d",__FUNCTION__,__LINE__);        }-(void)didClickPushButtonAction{    //导航控制器 push(推出) 下一个页面  second对象    //UIViewController 的类目中,声明了一个属性:navigationController.UIViewController被导航控制器管理时,这个属性就是管理他的导航控制器对象            //在push之前,只有controller对象,还没有view    //如果在push之前使用controller的view,controller会提前创建view对象    //所以,在push之前,可以使用contrliler对象,但是不要操作controller的view    SecondViewController * secondVC = [[SecondViewController alloc] init];       [self.navigationController pushViewController:secondVC animated:YES];}-(void)viewDidAppear:(BOOL)animated{    NSLog(@"第一个页面出现%s,%d",__FUNCTION__,__LINE__);}-(void)viewWillAppear:(BOOL)animated{    NSLog(@"第一个页面将要出现%s,%d",__FUNCTION__,__LINE__);//    [[self navigationController] setNavigationBarHidden:NO animated:YES];}-(void)viewDidDisappear:(BOOL)animated{    NSLog(@"第一个页面消失%s,%d",__FUNCTION__,__LINE__);}-(void)viewWillDisappear:(BOOL)animated{    NSLog(@"第一个页面将要消失%s,%d",__FUNCTION__,__LINE__);}- (void)didReceiveMemoryWarning{    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.    NSLog(@"内存警告%s,%d",__FUNCTION__,__LINE__);    if ([self isViewLoaded] && self.view.window == nil) {        self.view = nil;    }}

第二个页面SecondViewControlle.m

 //初始化    UIBarButtonItem * rightButtonItem = [[UIBarButtonItem alloc]initWithTitle:@"上一页" style:UIBarButtonItemStyleBordered target:self action:@selector(didClickPopToLastAction)];    self.navigationItem.leftBarButtonItem = rightButtonItem;        self.view.backgroundColor = [UIColor greenColor];    self.navigationController.navigationBar.barTintColor = [UIColor magentaColor];      self.navigationItem.title = @"second";    //坐边两个同时存在    self.navigationItem.leftItemsSupplementBackButton = YES;        self.navigationItem.prompt = @"wowwww";        UILabel * firstLable = [[UILabel alloc] initWithFrame:CGRectMake(60, 100, 200, 40)];    firstLable.text = @"第二页";    firstLable.backgroundColor = [UIColor redColor];    firstLable.textAlignment = NSTextAlignmentCenter;    [self.view addSubview:firstLable];    [firstLable release];            UIButton * pushButton = [UIButton buttonWithType:UIButtonTypeSystem];    pushButton.frame = CGRectMake(100, 200, 100, 100);    [pushButton setTitle:@"push" forState:UIControlStateNormal ];    [pushButton addTarget:self action:@selector(didClickPushButtonAction) forControlEvents:UIControlEventTouchUpInside];    [self.view addSubview:pushButton];        UIButton * PopToLast = [UIButton buttonWithType:UIButtonTypeSystem];    PopToLast.frame = CGRectMake(200, 100, 100, 100);    [PopToLast setTitle:@"PopToLast" forState:UIControlStateNormal ];    [PopToLast addTarget:self action:@selector(didClickPopToLastAction) forControlEvents:UIControlEventTouchUpInside];    [self.view addSubview:PopToLast]; NSLog(@"我是加载页面%s,%d",__FUNCTION__,__LINE__);//   [[self navigationController] setNavigationBarHidden:YES animated:YES];    }-(void)didClickPopToLastAction{//    FirstViewController * firstVC = [[FirstViewController alloc]init];//    [self.navigationController popToViewController:firstVC animated:YES];    [self.navigationController popViewControllerAnimated:YES];}-(void)didClickPushButtonAction{    //导航控制器 push(推出) 下一个页面  second对象    //UIViewController 的类目中,声明了一个属性:navigationController.当UIViewController被导航控制器管理时,这个属性就是管理他的导航控制器对象                ThirdViewController * thirdVC = [[ThirdViewController alloc] init];    [self.navigationController pushViewController:thirdVC animated:YES];  }

第三个页面

ThirdViewController.m

- (void)viewDidLoad{    [super viewDidLoad];// Do any additional setup after loading the view.    self.view.backgroundColor = [UIColor orangeColor];        UIButton * pushButton = [UIButton buttonWithType:UIButtonTypeSystem];    pushButton.frame = CGRectMake(100, 200, 100, 100);    [pushButton setTitle:@"push" forState:UIControlStateNormal ];    [pushButton addTarget:self action:@selector(didClickPushButtonAction) forControlEvents:UIControlEventTouchUpInside];    [self.view addSubview:pushButton];            UIButton * PopToLast = [UIButton buttonWithType:UIButtonTypeSystem];    PopToLast.frame = CGRectMake(200, 100, 100, 100);    [PopToLast setTitle:@"PopToLast" forState:UIControlStateNormal ];    [PopToLast addTarget:self action:@selector(didClickPopToLastAction) forControlEvents:UIControlEventTouchUpInside];    [self.view addSubview:PopToLast];        UIButton * PopToRoot = [UIButton buttonWithType:UIButtonTypeSystem];    PopToRoot.frame = CGRectMake(50, 100, 100, 100);    [PopToRoot setTitle:@"PopToRoot" forState:UIControlStateNormal ];    [PopToRoot addTarget:self action:@selector(didClickPopToRootAction) forControlEvents:UIControlEventTouchUpInside];    [self.view addSubview:PopToRoot];                UILabel * firstLable = [[UILabel alloc] initWithFrame:CGRectMake(60, 100, 200, 40)];    firstLable.text = @"第三页";    firstLable.backgroundColor = [UIColor redColor];    firstLable.textAlignment = NSTextAlignmentCenter;    [self.view addSubview:firstLable];    [firstLable release];    }-(void)didClickPopToRootAction{    [self.navigationController popToRootViewControllerAnimated:YES];}-(void)didClickPopToLastAction{    [self.navigationController popViewControllerAnimated:YES];}-(void)didClickPushButtonAction{    //导航控制器 push(推出) 下一个页面  second对象    //UIViewController 的类目中,声明了一个属性:navigationController.当UIViewController被导航控制器管理时,这个属性就是管理他的导航控制器对象    FourthViewController* fourthVC = [[FourthViewController alloc] init];    [self.navigationController pushViewController:fourthVC animated:YES];}

第四个页面FourthViewController.m

- (void)viewDidLoad{    [super viewDidLoad];// Do any additional setup after loading the view.    self.view.backgroundColor = [UIColor purpleColor];                UIButton * PopToLast = [UIButton buttonWithType:UIButtonTypeSystem];    PopToLast.frame = CGRectMake(200, 100, 100, 100);    [PopToLast setTitle:@"PopToLast" forState:UIControlStateNormal ];    [PopToLast addTarget:self action:@selector(didClickPopToLastAction) forControlEvents:UIControlEventTouchUpInside];    [self.view addSubview:PopToLast];            UIButton * PopToRoot = [UIButton buttonWithType:UIButtonTypeSystem];    PopToRoot.frame = CGRectMake(50, 100, 100, 100);    [PopToRoot setTitle:@"PopToRoot" forState:UIControlStateNormal ];    [PopToRoot addTarget:self action:@selector(didClickPopToRootAction) forControlEvents:UIControlEventTouchUpInside];    [self.view addSubview:PopToRoot];        UIButton * PopToAny = [UIButton buttonWithType:UIButtonTypeSystem];    PopToAny.frame = CGRectMake(120, 200, 100, 100);    [PopToAny setTitle:@"返回第二页" forState:UIControlStateNormal ];    [PopToAny addTarget:self action:@selector(didClickPopToAnyAction) forControlEvents:UIControlEventTouchUpInside];    [self.view addSubview:PopToAny];           UILabel * firstLable = [[UILabel alloc] initWithFrame:CGRectMake(60, 100, 200, 40)];    firstLable.text = @"第四页";    firstLable.backgroundColor = [UIColor redColor];    firstLable.textAlignment = NSTextAlignmentCenter;    [self.view addSubview:firstLable];    [firstLable release];}-(void)didClickPopToAnyAction{    //导航控制器的viewControllers(栈)中,根据index,获取secondVC对象.    SecondViewController * secondVC =[self.navigationController.viewControllers objectAtIndex:1];    [self.navigationController popToViewController:secondVC animated:YES];}-(void)didClickPopToRootAction{    [self.navigationController popToRootViewControllerAnimated:YES];}-(void)didClickPopToLastAction{    [self.navigationController popViewControllerAnimated:YES];}

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