Eidos provides simple backup of the data directory of an application, including files, databases, and shared_prefs. An object, DatabaseLock, is provided for synchronizing database access to avoid data corruption. Convenience methods are provided for requesting backup and restore.

Register for a backup api key and follow setup instructions here: http://developer.android.com/training/cloudsync/backupapi.html

Set AndroidManifest.xml to use Eidos for backup: <application ... backupagent="com.piusvelte.eidos.Eidos">

To request a backup, call Eidos.requestBackup(Context context)