iOS-UIViewController 生命周期

// 非storyBoard 走这个 init
- (instancetype)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    NSLog(@"%s", __func__);
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
    }
    return self;
}

// storyBoard 走这个 init
- (instancetype)initWithCoder:(NSCoder *)coder
{
    NSLog(@"%s", __func__);
    
    self = [super initWithCoder:coder];
    if (self) {
    }
    return self;
}

// xib 加载完成
- (void)awakeFromNib
{
    NSLog(@"%s", __func__);
    [super awakeFromNib];
}

// 加载视图
- (void)loadView
{
    NSLog(@"%s", __func__);
    [super loadView];
}

// controller自带视图加载完毕
- (void)viewDidLoad
{
    self.view.backgroundColor = UIColor.whiteColor;
    NSLog(@"%s", __func__);
}

// 视图将要出现
- (void)viewWillAppear:(BOOL)animated
{
    NSLog(@"%s", __func__);
    [super viewWillAppear:animated];
}

// 视图已经出现
- (void)viewDidAppear:(BOOL)animated
{
    NSLog(@"%s", __func__);
    [super viewDidAppear:animated];
}

// 视图将要消失
- (void)viewWillDisappear:(BOOL)animated
{
    NSLog(@"%s", __func__);
    [super viewWillDisappear:animated];
}

// 视图已经消失
- (void)viewDidDisappear:(BOOL)animated
{
    NSLog(@"%s", __func__);
    [super viewDidDisappear:animated];
}

// 即将布局子视图
- (void)viewWillLayoutSubviews
{
    NSLog(@"%s", __func__);
    [super viewWillLayoutSubviews];
}

// 子视图布局已经完成
- (void)viewDidLayoutSubviews
{
    NSLog(@"%s", __func__);
    [super viewDidLayoutSubviews];
}

// 析构 结束生命
- (void)dealloc
{
    NSLog(@"%s", __func__);
}

执行结果

 -[UIControllerDetaile initWithCoder:]
 -[UIControllerDetaile awakeFromNib]
 -[UIControllerDetaile loadView]
 -[UIControllerDetaile viewDidLoad]
 -[UIControllerDetaile viewWillAppear:]
 -[UIControllerDetaile viewWillLayoutSubviews]
 -[UIControllerDetaile viewDidLayoutSubviews]
 -[UIControllerDetaile viewDidAppear:]
 -[UIControllerDetaile viewWillDisappear:]
 -[UIControllerDetaile viewDidDisappear:]
 -[UIControllerDetaile dealloc]