控制器View的生命周期

控制器View的生命周期方法

控制器View加载完成时调 

- (void)viewDidLoad {

[super viewDidLoad];

}

控制器的View即将显示
的时候调 

-(void)viewWillAppear:(BOOL)animated{

[super viewWillAppear:animated];

}

将要布局控制器的View 控件的时候就会调 .

-(void)viewWillLayoutSubviews{
[super viewWillLayoutSubviews];

}

布局控制器View的
控件完成时调 

-(void)viewDidLayoutSubviews{

[super viewDidLayoutSubviews];

}

控制器的View显示 完成时调 

-(void)viewDidAppear:(BOOL)animated{

[super viewDidAppear:animated];

}

控制器的View即将消失的时候调 .

-(void)viewWillDisappear:(BOOL)animated{

[super viewWillDisappear:animated];

}

控制器的View完全消失的时候调

 -(void)viewDidDisappear:(BOOL)animated{

[super viewDidDisappear:animated];

}

view生命周期方法调用顺序

viewDidLoad -> viewWillAppear -> viewWillLayoutSubviews -> viewDidLayoutSubviews -> viewDidAppear -> viewWillDisappear -> viewDidDisappear