当用户会话打开时如何获取用户名。我尝试了来自Facebook sdk示例的会话login示例。 如果有人知道解决scheme,请帮助我。 提前致谢。 – (IBAction)buttonClickHandler:(id)sender { // get the app delegate so that we can access the session property SLAppDelegate *appDelegate = [[UIApplication sharedApplication]delegate]; // this button's job is to flip-flop the session from open to closed if (appDelegate.session.isOpen) { // if a user logs out explicitly, we delete any cached token information, and […]