说明：  若水新闻客户端和服务端一个android初学者很好的学习案例代码，这个项目我们可以学到很多东西，像百度新闻的布局、手机客户端和服务器之间的数据交互、数据的异步加载、加密等等。提供大家两个源代码！
(Flow news client and server android beginners good case study code, this project, we can learn a lot of things, like Baidu news layout, between the mobile client and server data interaction, asynchronous loading of data encryption and so on. Two source code!)