但是,一旦您将代理设置为self,就应该为连接指定一个代理,而不是一个回调方法。
However, instead of specifying a callback method, specify a delegate for the connection, once you have set this to self.
但是,一旦您将代理设置为self,就应该为连接指定一个代理,而不是一个回调方法。
However, instead of specifying a callback method, specify a delegate for the connection, once you have set this to self.
应用推荐