Android应用程式内计费误差：此产品再也购买。 （错误code：IAB-DPTL） [英] Android in-app billing Error: This item could no be purchased. (Error code: IAB-DPTL)

问题描述

我刚刚开始使用Android应用内计费系统。
我测试了魔域应用程序示例，没有任何问题。

I'm just beginning to use the android in-app billing system. I tested the Dungeons application sample without any problems.

所以我想在应用集成在自己的应用程序，但是当我使用声明的productId或静态测试ID，我得到了同样的错误：

So I'm trying to integrate in-app in my own application, but when I use declared productId or static test id, I'm getting the same error:

This item could not be purchased. (Error code: IAB-DPTL)

此应用程序已经在市场上。我上传了一个签名的版本，我也推
在手机上（因此它的两侧的同一版本）。我添加的电子邮件至极的手机上用作测试帐户。我要激活我的应用程序？ （承担的风险，删除当前发布的应用程序？）

This application is already on the market. I uploaded a signed version that I also pushed on the phone (so it's the same version on both sides). I added the email wich is used on the phone as a test account. Should I activate my application ? (incurring the risk to remove the current published application ?)

我不明白我错过了什么，我没有能够找到的有关在网络上此错误code什么。

I don't see what I'm missing, and I'm not able to find anything about this error code on the web.

我在做什么错了？

推荐答案

好吧，我找到了解决办法！

Ok I found the solution !!!

该错误是直接由payloadContent我在联想到产品ID引起的
购买请求。

The bug is directly caused by the "payloadContent" which I associate to the productId during the purchase request.

我用我的购买产品的成JSON转换，并把它作为开发有效载荷的内容。 （想了恢复阶段很有用...）

I used to convert my purchasable item into JSON and to put it as the developer payload content. (thought useful for the restoration phase...)

我测试删除此payloadContent然后我没有更多的问题。

I tested to remove this payloadContent and then I had no more problems.

我觉得在不同的交易中使用的数据格式是JSON等JSON有效载荷内容字段应该干扰等一些领域。（如标题或链接）

I think the data format used during the different transactions is JSON and so JSON payload content field should interfere with some waited fields.. (such "title" or "link")

更新：

正如尼古拉Elenkov所述，错误是最有可能通过有效载荷的长度引起的，和JSON似乎工作。所以在developper有效载荷大小的限制：256个字符

As Nikolay Elenkov said, the error is most probably caused by the length of the payload, and JSON seems to work. So there is a limitation in the developper payload size: 256 characters.

和我们认为的错误code：IAB-DPTL直接meens：在应用内结算 - 开发者负载过长

And we think that the error code:"IAB-DPTL" directly meens: "In App Billing - Developer Payload Too Long"

感谢尼古拉！

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