母传键老师课堂笔记 -----ViewController的生命周期

//1.手势,viewcontroller 进入下一页

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event

{

    MCJViewController *mcjVC = [[MCJViewController alloc] init];

    [self presentViewController:mcjVC animated:YES completion:nil];

}

 // 生命周期内容

// 1.

- (instancetype)init

{

    if (self = [super init]) {

        

    }

    return self;

}

// 2.

- (void)viewDidLoad {

    [super viewDidLoad];

    self.view.backgroundColor = [UIColor orangeColor];

}

// 3.

- (void)viewWillAppear:(BOOL)animated

{

    NSLog(@"%s",__FUNCTION__);

}

// 4.

- (void)viewDidAppear:(BOOL)animated

{

    NSLog(@"%s",__FUNCTION__);

}

// 5.

- (void)viewWillDisappear:(BOOL)animated

{

    NSLog(@"%s",__FUNCTION__);

}

// 6.

- (void)viewDidDisappear:(BOOL)animated

{

   NSLog(@"%s",__FUNCTION__);

}

// 7.

- (void)dealloc

{

    NSLog(@"%s",__FUNCTION__);

}

 // 手势,退出本页

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event

{

    [self dismissViewControllerAnimated:YES completion:nil];

}

原文地址:https://www.cnblogs.com/fanwenzheIOS/p/4973554.html