How do you remove the invite friend button from a GKMatchmakerViewController? When printing all of the subviews in it I only see the navigation bar. I am presenting it like this: GKMatchmakerVie...

I am making a multiplayer feature to a game I made. Everything is working, except when I am in matchmaking and both players are connected, if one person hits the "Cancel" button the other device g...

I have a simple question, but I’ve looked through Apple’s documentation and done some searching and I can’t find the answer to it. Is it possible to programmatically pull up Game Center’s sign-in ...

I'm trying to implement a real-time multiplayer game with a custom UI (no GKMatchMakerViewController). I'm using startBrowsingForNearbyPlayersWithReachableHandler: ^(NSString *playerID, BOOL reacha...

I'm trying to implement a real-time multiplayer game with a custom UI (no GKMatchMakerViewController). I'm using startBrowsingForNearbyPlayersWithReachableHandler: ^(NSString *playerID, BOOL reacha...

I'm facing difficulty inviting a friend to the match. GKMatchRequest *request = [[[GKMatchRequest alloc] init] autorelease]; request.minPlayers = 2; request.maxPlayers = 2; request.playersToIn...