作者：华清远见3G学院。《Android多媒体编程从初学到精通》第一章、Android概述。Android作为一个开放、开源的移动终端平台，对业界来讲，这意味着，源代码基于Apache 2.0许可进行开放。与开源代码最常采用的GPL 2.0许可不同，Apache 2.0许可不要求开发者将开发的代码反馈给社区，这有助于企业的商业行为。-Author: HuaQing vision 3 G institute. "The Android multimedia programming from beginners to master" the first chapter, Android overview. Android as an open, the open-source mobile terminal platform for industry, speaking, this means that the source code based on I can with Apache 2.0 permission for open. And the most used open source code of the GPL license, I can with Apache 2.0 2.0 different permission does not require developers will write the code to give feedback to the community, it will help enterprise business practices.