Use the google backup service to backup user data....
I'm not an Android developer but it looks easy to me.
8
votes
eryp
shared this idea
will be part of next release (1.9.0). Please note that this doesn’t me I’m not going to work later on a cloud release of the app. But I would need time… :-)
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Admindavag (Admin, davagdroid) commented
Indeed this an interesting idea. It's not going to be in next release, but then it will be quite a high priority because current export/import causes too much trouble for a lot of users.
However Google backup service is not guaranteed on all networks.
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eryp commented
Developer guide.....
http://developer.android.com/guide/topics/data/backup.html