版权声明：本文为博主原创文章，转载请标明出处。 https://blog.csdn.net/chaoyu168/article/details/79028856
https://github.com/Trinea/android-open-project
http://blog.csdn.net/yaozhifeng123456/article/details/48372415
http://blog.csdn.net/yaozhifeng123456/article/details/19617119
https://www.jianshu.com/p/6e5eda3a51af
