控制器的生命周期方法

/**

view加载完毕

*/

- (void)viewDidLoad {

[super viewDidLoad];

// Do any additional setup after loading the view.

// self.tabBarItem.badgeValue = @"10";

NSLog(@"%@ %s",self.class,__FUNCTION__);//类名，方法名

}

/**

view即将显示到window上

*/

- (void)viewWillAppear:(BOOL)animated

{

[super viewWillAppear:animated];

NSLog(@"%@ %s",self.class,__FUNCTION__);

}

/**

view显示完毕（已经到窗口）

*/

- (void)viewDidAppear:(BOOL)animated

{

[super viewDidAppear:animated];

NSLog(@"%@ %s",self.class,__FUNCTION__);//类名，方法名

}

/**

view即将从window上移除

*/

- (void)viewWillDisappear:(BOOL)animated

{

[super viewWillDisappear:animated];

NSLog(@"%@ %s",self.class,__FUNCTION__);//类名，方法名

}

/**

view从window上完全移除

*/

- (void)viewDidDisappear:(BOOL)animated

{

[super viewDidDisappear:animated];

NSLog(@"%@ %s",self.class,__FUNCTION__);//类名，方法名

}

- (void)didReceiveMemoryWarning {

[super didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.

}