我刚刚释放的GitHub我的插件原型。我只能用谷歌提供的测试产品ID测试。如果你想看看和叉吧： https://github.com/luoihoc/CallbackBillingPlugin

I just release my plugin prototype in github. I tested only with the testing product ids provided by Google. Take a look and fork it if you want: https://github.com/luoihoc/CallbackBillingPlugin