====== Study Online ======
  - http://www.imooc.com/
  - 前端工程师必备的PS技能——切图篇 http://www.imooc.com/learn/506
  - http://blog.shvetsov.com/2013/02/access-android-app-data-without-root.html
    - adb shell 
    - run-as com.package.name
    - adb backup -f ~/data.ab -noapk app.package.name
    - dd if=data.ab bs=1 skip=24 | python -c "import zlib,sys;sys.stdout.write(zlib.decompress(sys.stdin.read()))" | tar -xvf -

  - http://romannurik.github.io/AndroidAssetStudio/
  - http://jeroenmols.github.io/blog/2015/08/06/artifactory/