Android backup/restore sample doesn't work?
问题 I'm having this same problem - as found in the google developer group. I quote what it is a very detailed explanation by Chris Grebeldinger (original author). "In the documentation: http://developer.android.com/guide/topics/data/backup.html#Testing It recommends testing backup/restore of your application by: installing your app make sure backup/restore is enabled changing some data and calling dataChanged() forcing bmgr to run a backup pass uninstall the app re-install the app and check if