decompile source code from android phone(android N & Pre)

prepare env

$ cd ~
$ git clone https://github.com/HEZI0427/fox.git
$ mkdir -p ~/bin; cd ~/bin
$ ln -fs ~/fox/fox
$ fox install

1. mkdir system
2. pull system/framework/ from android phone, and put it to system dir
3. run fox decrom all system

1. mkdir system
2. pull system/app/ or priv-app dir from android phone, and put it to system dir (must pull framework dir first)
3. run fox decrom app system system/app/XXX