应用内结算和应用内购买
我一直在研究developer.android.com 网站上的应用内计费，但它毫无用处。我还安装并查看了他们的示例应用程序，但我仍然不明白该怎么做。因为他们正在使用一些未记录的方法来启动服务。
我只想要一个简单干净的实现，就像一步一步的教程一样。请帮帮我。
我还是不明白为什么他们让开发者变得太困难了？虽然集成其他API只是添加jar并调用一些功能，例如PayPal。
请帮助我。提供任何好的教程的链接。
I have been looking into in-app billing on developer.android.com site but it is useless. I have also installed and looked into their sample app but I still don't understand what to do. because they are using some un-documented methods to start service.
I just want a simple and clean implementation like a step by step tutorial. Please help me out.
I still don't understand why they made it too difficult for devlopers?? although Integrating other API are just adding jar and calling some functions e.g. PayPal.
help me please. give link to any good tutorial.
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肯定有一个陡峭的学习曲线，但我发现这个库非常有用： https://github.com /robotmedia/AndroidBillingLibrary
There definitely is a steep learning curve, but I've found this library to be incredibly useful: https://github.com/robotmedia/AndroidBillingLibrary
这就是我的博文作为已接受的答案！
它托管在这里：
http://blog.blundell-apps.com/ simple-inapp-billing- payment/
我最近还写了一篇带有流程图的概述来尝试解释应用内购买：
http://blog.blundell-apps.com/overview -of-android-in-app-billing-flowchart/
Thats my blogpost as the accepted answer woo!
It is hosted here:
http://blog.blundell-apps.com/simple-inapp-billing-payment/
I've also recently written an overview with a flowchart to try and explain InApp Purchase:
http://blog.blundell-apps.com/overview-of-android-in-app-billing-flowchart/