当用户单击按钮时,我有带有按钮的警报视图程序进入长时间循环我想在我调用这个之前隐藏警报视图,而我已经搜索了类委托并且我得到了
// Called when a button is clicked. The view will be automatically dismissed "**after**" this call returns
- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
如何在此调用返回之前隐藏警报视图