iOS 7: How to setup invitation handler for Game Center matchmaker
问题 What is the proper way to handle invitations from other players in iOS 7? After my view did load on my root View Controller, I'm calling a game center authentication method, after that I'm setup a invitation handler like so: [[GKLocalPlayer localPlayer] registerListener:self]; My view controller adopt GKLocalPlayerListener and GKInviteEventListener protocols, by the way, what is the best place to register a listener AppDelegate? Maybe or maybe my custom Game Center singleton? I add a method