apktool是apk反编译工具能够反编译及回编译apk，同时安装反编译系统apk所需要的framework-res框架，清理上次反编译文件夹等功能。-apktool is apk decompile tool to decompile back compile apk installed at the same time the framework-res framework the decompilation system apk need to clean up the last decompile folder function.