我正在使用Google Play游戏服务为Android和iOS开发实时多人游戏。 我正在使用Cocos2d-x和它的C++ API。按照Google文档中的说明实现了GPG，这在Android上运行良好。但是，在iOS上，在实时房间拥有足够的玩家后，游戏会崩溃。未启用快照，并且我正在使用Google的UI进行实时房间设置。其他功能都很好，已经测试过的功能包括邀请朋友、邀请好友、排行榜以及显示成就UI。当登录G+时记录如下：
cocos2d: [LUA-print] Loading game
Signing in to GPG
cocos2d: [LUA-print] Entered background
2014-10-14 15:32:34.539 MYAPP iOS[10716:1633086] VERBOSE: Cancelling event timer
cocos2d: [LUA-print] Entered foreground
Signed in to GPG
MYAPP iOS[10716:1633086] ERROR: Attempting to get name of an invalid Player
MYAPP iOS[10716:1633086] ERROR: Attempting to get avatar URL of an invalid Player
MYAPP iOS[10716:1633086] ERROR: Attempting to get id of an invalid Player
MYAPP iOS[10716:1633086] ERROR: Attempting to get title of an invalid Player
MYAPP iOS[10716:1633086] ERROR: Attempting to get current xp of an invalid Player
MYAPP iOS[10716:1633086] ERROR: Attempting to get last level up timestamp of an invalid Player
MYAPP iOS[10716:1633086] ERROR: Attempting to get current level of an invalid Player
MYAPP iOS[10716:1633086] ERROR: Attempting to get level number of an invalid PlayerLevel
MYAPP iOS[10716:1633086] ERROR: Attempting to get minimum xp of an invalid PlayerLevel
MYAPP iOS[10716:1633086] ERROR: Attempting to get maximum xp of an invalid PlayerLevel
MYAPP iOS[10716:1633086] ERROR: Attempting to get next level of an invalid Player
MYAPP iOS[10716:1633086] ERROR: Attempting to get level number of an invalid PlayerLevel
MYAPP iOS[10716:1633086] ERROR: Attempting to get minimum xp of an invalid PlayerLevel
MYAPP iOS[10716:1633086] ERROR: Attempting to get maximum xp of an invalid PlayerLevel
CreateRealTimeRoom()运行后的日志:
MYAPP iOS[10716:1633236] VERBOSE: ProcessedInState is not implemented.
MYAPP iOS[10716:1633236] VERBOSE: OnConnectNetworkStart is not implemented.
MYAPP iOS[10716:1633236] INFO: Connect with retry.getRetryAuthToken(): 1
MYAPP iOS[10716:1633236] INFO: Token expired. Refreshing.
MYAPP iOS[10716:1633236] Trying to refresh token; old token is: XXX
MYAPP iOS[10716:1633086] Auth updated! ... maybe. New token is: XXX
MYAPP iOS[10716:1633236] Token refresh success!
MYAPP iOS[10716:1633236] INFO: Trying to connect with returned auth token.
MYAPP iOS[10716:1633236] VERBOSE: ProcessedInState is not implemented.
MYAPP iOS[10716:1633236] VERBOSE: OnConnectNetworkDone is not implemented.
MYAPP iOS[10716:1633236] VERBOSE: ProcessedInState is not implemented.
MYAPP iOS[10716:1633236] VERBOSE: OnEnterRoomStart is not implemented.
MYAPP iOS[10716:1633236] VERBOSE: OnEnterRoomEnd is not implemented.
MYAPP iOS[10716:1633393] INFO: mPlayerId: 112816036638541164521 Enter room: ChoKCQilzeL2rgQQAhABGAAg____________ARCA1Jb6uNOCgrsB
MYAPP iOS[10716:1633393] VERBOSE: RtmpDcmLog is not implemented.
created a room 1
[RTMP] (Error) +[GPGRealTimeRoomMaker performPreCheck:checkDelegate:]:[main] Sign in to the Google Play Games Service before using the multiplayer functions
当房间中有足够的玩家时，应该调用ShowWaitingRoomUI的回调函数，但实际上没有被调用：
MYAPP iOS[10716:1633236] ERROR: - unhandledMessage: message.type=48
MYAPP iOS[10716:1633393] ERROR: Attempting to get participant for invalid participant id.
MYAPP iOS[10716:1633393] INFO: Waiting for connection from p_CJXeyNKXhKOL3QEQAQ
OnParticipantStatusChanged participant:p_CJXeyNKXhKOL3QEQAQ status: 2
JOINED OnParticipantStatusChanged participant :p_CJXeyNKXhKOL3QEQAQ
JOINED OnParticipantStatusChanged room :ChoKCQilzeL2rgQQAhABGAAg____________ARCA1Jb6uNOCgrsB
OnParticipantStatusChanged participant participantsInRace_.size: 1
MYAPP iOS[10716:1633394] VERBOSE: RtmpPeerLog is not implemented.
MYAPP iOS[10716:1633394] ERROR: peer_capabilities must not be null in PeerStateMachine::WaitingForOutgoingRemoteConnectionNoSessionId
MYAPP iOS[10716:1633394] VERBOSE: EnteredState is not implemented. MYAPP iOS[10716:1633394] INFO: OP: 1
MYAPP iOS[10716:1633394] INFO: CALL_STATE_CHANGED_OP: New state: 1
MYAPP iOS[10716:1633394] ERROR: peer_capabilities must not be null in PeerStateMachine::WaitingForConnectionData
MYAPP iOS[10716:1633394] VERBOSE: EnteredState is not implemented.