apktool主要用于逆向apk文件。它可以将资源解码，并在修改后可以重新构建它们。它还可以执行一些自动化任务，例如构建apk
功能
- 将资源解码成原来的形式（包括resources.arsc，class.dex，9.png和xml）
- 将解码的资源重新打包成apk/jar
- 组织和处理依赖于框架资源的APK
- Smali调试
- 执行自动化任务
安装方式
参考https://ibotpeaches.github.io/Apktool/install/
使用方式
usage: apktool
-advance,--advanced prints advance information.
-version,--version prints the version then exits
usage: apktool if|install-framework [options] <framework.apk>
-p,--frame-path <dir> Stores framework files into <dir>.
-t,--tag <tag> Tag frameworks using <tag>.
usage: apktool d[ecode] [options] <file_apk>
-f,--force Force delete destination directory.
-o,--output <dir> The name of folder that gets written. Default is apk.out
-p,--frame-path <dir> Uses framework files located in <dir>.
-r,--no-res Do not decode resources.
-s,--no-src Do not decode sources.
-t,--frame-tag <tag> Uses framework files tagged by <tag>.
usage: apktool b[uild] [options] <app_path>
-f,--force-all Skip changes detection and build all files.
-o,--output <dir> The name of apk that gets written. Default is dist/name.apk
-p,--frame-path <dir> Uses framework files located in <dir>.
反编译apk文件
apktool d test.apk -o f:\temp\xxx
将反编译后的文件重新打包
apktool b test