ios Google play service接入步驟

首先按照：

https://developers.google.com/games/services/

iOS start guide說明

創建應用和其餘步驟

在console中能夠創建app

https://console.developers.google.com/project/

以後須要在

https://play.google.com/apps/publish/

中配置好工程，填入bundleid和其餘信息，重要*要加入測試帳號，否則會致使app的未發佈狀態下去測試會一直沒法login，登錄後受權會填登出跳轉到受權頁面

會有：

這樣的錯誤。

ERROR: Attempting to get name of an invalid Player
2014-12-15 10:39:52.210 CollectAllTheStars[1071:33769] ERROR: Attempting to get avatar URL of an invalid Player
2014-12-15 10:39:52.211 CollectAllTheStars[1071:33769] ERROR: Attempting to get id of an invalid Player
2014-12-15 10:39:52.211 CollectAllTheStars[1071:33769] ERROR: Attempting to get title of an invalid Player
2014-12-15 10:39:52.211 CollectAllTheStars[1071:33769] ERROR: Attempting to get current xp of an invalid Player
2014-12-15 10:39:52.211 CollectAllTheStars[1071:33769] ERROR: Attempting to get last level up timestamp of an invalid Player
2014-12-15 10:39:52.211 CollectAllTheStars[1071:33769] ERROR: Attempting to get current level of an invalid Player
2014-12-15 10:39:52.211 CollectAllTheStars[1071:33769] ERROR: Attempting to get level number of an invalid PlayerLevel
2014-12-15 10:39:52.211 CollectAllTheStars[1071:33769] ERROR: Attempting to get minimum xp of an invalid PlayerLevel
2014-12-15 10:39:52.212 CollectAllTheStars[1071:33769] ERROR: Attempting to get maximum xp of an invalid PlayerLevel
2014-12-15 10:39:52.212 CollectAllTheStars[1071:33769] ERROR: Attempting to get next level of an invalid Player
2014-12-15 10:39:52.212 CollectAllTheStars[1071:33769] ERROR: Attempting to get level number of an invalid PlayerLevel
2014-12-15 10:39:52.212 CollectAllTheStars[1071:33769] ERROR: Attempting to get minimum xp of an invalid PlayerLevel
2014-12-15 10:39:52.212 CollectAllTheStars[1071:33769] ERROR: Attempting to get maximum xp of an invalid PlayerLevel
2014-12-15 10:39:52.212 CollectAllTheStars[1071:33769] WARNING: Could not automatically seed snapshot cache.