版权声明: https://blog.csdn.net/wq6ylg08/article/details/89914084
5分钟搞定android混淆:https://www.jianshu.com/p/f3455ecaa56e
Android代码混淆只需简单三步:https://blog.csdn.net/ccj659/article/details/51798687
Android Studio(十一):代码混淆及打包apk:
https://blog.csdn.net/zuiwuyuan/article/details/48552701