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

1. run-as com.package.name

1. adb restore client.ab

adb backup -apk   -f pushups.ab me.pjq.pushups
adb backup -apk   -f client.ab me.pjq.ftclient
adb backup -apk   -f pm25.ab me.pjq.chinapm25
 
adb restore client.ab
adb restore pushups.ab
adb restore pm25.ab