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我希望能够通过不一定在 iOS 上的外部应用程序从 Game Center 读取用户的成就和游戏的排行榜。是否有公开可用的 xml 提要或可供 iOS 开发人员使用的提要?我目前不是注册 iOS 开发者,但我希望尽快注册。
I am wondering if there is a short cut for my current problem.
I have a List abcList.
It contains 3 type of objects/Entity A B C (they did not inherit a common interface or parent