摘要：
非arc环境中1。可以正常dealloc释放id observer;-(void)back{ [[NSNotificationCenter defaultCenter] removeObserver:observer]; [self.navigationController popViewControllerAnimated:YES];}- (void)viewDidLoad{ [super viewDidLoad]; observer = [[NSNotificationCenter defaultCenter] addObserverForName:kPopNoti... 阅读全文
