How to backup app programmatically on android

Question

How to backup app programmatically on android?

Answer 1

As of Android 2.2 (Froyo), Google has made available a cloud based backup service for apps. Check it out at the link below for more info about it from Google.

http://developer.android.com/guide/topics/data/backup.html

If you wan't something for pre-Froyo devices, you'll need to implement your own backup service.