Google Play开发者API:"startTimeMillis"在不应该更新时更新

问题描述

我正在开发带有应用程序内订阅的应用程序.在我们的服务器上，我通过 Google Play开发者API 检查每个订阅的有效性.

I am developing an application with in-app subscriptions. On our servers, I check the validity of each subscription through the Google Play Developer API.

如文档中所述，对Purchases.subscriptions端点的请求将返回如下内容:

As stated in the docs, a request to the Purchases.subscriptions endpoint, returns something like that:

{
  "kind": "androidpublisher#subscriptionPurchase",
  "startTimeMillis": long,
  "expiryTimeMillis": long,
  "autoRenewing": boolean
}

但是，我发现它有一些奇怪的行为.当用户通过Google Play应用取消订阅时，"startTimeMillis"字段更新为取消时间.

However, I am finding some strange behavior with it. When a user cancels a subscription through Google Play app, the "startTimeMillis" field is updated to the time of cancellation.

根据文档，"startTimeMillis"是授予订阅的时间"，因此我希望该值不应更改.有人能解释一下为什么取消后会更新吗?

According to the documentation, "startTimeMillis" is "Time at which the subscription was granted", so I expected that this value should not change. Could anybody explain me why it is updated after a cancellation?

我还有一个尚无法测试的重要问题...花了几个月时间处理订阅的人可以告诉我，如果自动续订订阅时，"startTimeMillis" 是否也已更新强>?我也希望这不会改变，但是...现在，我对此不确定.

I have another important question that I can not test yet... Could someone, who has spent several months working with subscriptions, tell me if this "startTimeMillis" is updated too when the subscription is automatically renewed? I expect too that this should not change but... now, I am not sure about this.

谢谢

推荐答案

存在类似问题，并发现:

Had similar issue and found that:

1. 当用户取消订阅时，startTimeMillis不会更改，只有autoRenewing更改为false

1. When user cancels the subscription, startTimeMillis won't be changed, only autoRenewing changed to false

如果用户在取消后再次订阅，则google会向您发送一个新的订阅令牌，但是当使用前一个令牌进行查询时，响应将更改为与新令牌相同，即startTimeMillis将更改

If the user subscribes again after the cancelation, google will send you a new subscription token, but when querying with the previous token, the response would be changed to the same as the new token, i.e. startTimeMillis would be changed

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