摘要:
当收到内存警告的时候,应用程序会将警告一级一级往下传递,传递顺序是UIApplication->UIWindow->rootViewController(如果有子控制器)->childViewControllers。 当控制器接收到警告之后,就会调用didReceiveMemoryWarning方法 阅读全文
摘要:
1、loadView方法官方说明如下: You should never call this method directly. The view controller calls this method when its view property is requested but is curre 阅读全文