当控制器的view即将显示时调用
-(void)viewWillAppear:(BOOL)animated{
[super viewWillAppear:animated];
}
当控制器的view已经显示完毕调用
- (void)viewDidAppear:(BOOL)animated {
[super viewDidAppear:animated];
}
当控制器的view加载完毕调用
- (void)viewDidLoad {
[super viewDidLoad];
}
当控制器的view即将消失时调用
- (void)viewWillDisappear:(BOOL)animated {
[super viewWillDisappear:animated];
}
当控制器的view已经消失完毕调用
- (void)viewDidDisappear:(BOOL)animated {
[super viewDidDisappear:animated];
}
跟内存相关
当控制器view即将要卸载时调用
- (void)viewWillUnload {
[super viewWillUnload];
}
当控制器view卸载完毕时调用
- (void)viewDidUnload {
[super viewDidUnload];
}
当控制器收到内存警告时调用
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
}
