iPhone - 如何识别我的应用程序的iTunes用户 [英] iPhone - How to recognize the iTunes user of my app

问题描述

有些应用程序似乎能够识别iPhone的iTunes用户。
我需要开发一个支持应用内购买类型订阅的应用。
Apple希望我的应用程序在每个用户的设备（iPhone，iPod，iPad）中授予订阅。
为此，我可以构建一个服务器端订阅系统，该系统将订阅与我服务器中刚创建的用户绑定。
为了做得更好，我想如果我的应用程序可以知道在iPhone上订阅我的服务的iTunes用户，它可以将它存储在我的服务器中。
如果用户也在iPad上下载应用程序，我的应用程序可以要求服务器了解当前iPad用户是否与在iPhone上订阅我的服务相同，如果是，可以在iPad上授予服务太。
那么，我的应用程序可以知道iTunes用户订阅我的服务（通过应用程序内购买）吗？

there are some apps that seem to recognize the iPhone's iTunes user. I need to develop an app that supports In-App Purchase of kind "Subscription". Apple wants that my app grants the subscription in every user's device (iPhone, iPod, iPad). To do so I can build a server-side subscription system that binds the subscription with a kind of just created user inside my server. To do things better I suppose that if my app can know the iTunes user that subscribes my service on the iPhone, it can store it inside my server. If the user download the app on an iPad too, my app can ask the server to understand if the current iPad user is the same that subscribed my service on the iPhone and, if so, can grant the service on the iPad too. So, can my app know what iTunes user is subscribing my service (with an In-App Purchase)?

提前谢谢

推荐答案

答案是：
我不能！
所以在多个设备上管理订阅的唯一方法是构建一种订阅注册，让用户注册他/她的订阅，这样他/她就可以从其他设备登录并恢复订阅。

The answer is: I CANNOT! so the only way to manage subscriptions on multiple devices is to build a kind of "subscription registration" that lets the user to register his/her subscription so he/she can login from another devices and restore the subscription.

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