playersToInvite的最终用途

游戏中心文档表明

playersToInvite 启动应用程序时 用于主持匹配的应用程序。

有几个人问过这是如何工作的,也就是说,似乎没有办法从游戏中心应用程序中选择朋友并邀请他们玩游戏 从 游戏中心;它只在你邀请游戏中使用。此文档是否有日期,或者是否有从game Center开始特定于游戏的比赛的秘密方法?我想测试一下 inviteHandler 但是我无法确定这个参数是如何传递给应用程序的。

[GKMatchmaker sharedMatchmaker].inviteHandler = ^(GKInvite *acceptedInvite, NSArray *playersToInvite)
{
    // clean up games in progress here
    if (acceptedInvite)
    {
        NSLog(@"acceptedInvite %@", acceptedInvite);
        // The acceptedInvite parameter is non-nil when the application receives an 
        // invitation directly from another player.
        GKMatchmakerViewController *mmvc = [[[GKMatchmakerViewController alloc] initWithInvite:acceptedInvite] autorelease];
        mmvc.matchmakerDelegate = self;
        [self disableHomeUI];
        [self presentModalViewController:mmvc animated:YES];
    }
    else if (playersToInvite)
    {
        NSLog(@"playersToInvite %@", playersToInvite);
        // playersToInvite parameter is non-nil when your application is launched 
        // directly from the Game Center application to host a match
        [self disableHomeUI];
        [self doPresentMatchMakerUIWithPlayersToInvite:playersToInvite];
    }
};