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
1. adb shell
2. run-as com.package.name
3. adb backup -f ~/data.ab -noapk app.package.name
4. dd if=data.ab bs=1 skip=24 | python -c “import zlib,sys;sys.stdout.write(zlib.decompress(sys.stdin.read()))” | tar -xvf -