本文最后有完整的 源代码下载。

The full source code is available for download at the end of the article.

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本教程提供完整的样例项目的开源代码下载。

The complete sample project for this tutorial can be downloaded open source code.

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我还在一个单独的源代码下载中加入了这些类。

I have also included the classes in a separate source code download.

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