Have you got the solution? Actually I am also trying to do this task. On Thursday, March 31, 2011 5:55:01 PM UTC+5:30, UD wrote: > > Hi, > > I am working on a contacts backup and sync. > > The target is to send all details of all contacts to a server (custom > protocol defined) as a backup. > > During initial launch of application, all the contacts will be queued and > sent to the server. And after that, a background service will be running > all time which will listen to new contact addition/ contact update, and > this new/updated contact will be sent to server by the background service. > > I am using > RawContactsEntity<http://developer.android.com/reference/android/provider/ContactsContract.RawContactsEntity.html> > for > fetching the records. > > I tried using ContentObserver on RawContacts/Data tables to get > notification of contact addition or contact-change. But, AFAIK, the > ContentObserver gives notification (onChange()) of changed data in table > as a whole and not ID of individual record. > > Now my problem is, how to get the exact id's of changed/new records? > > I thought of creating a backup-table to compare with native contacts table > and get the changed records. But as the number of contacts increase, the > performance will decease drastically and this will hamper the battery life > too. > > Can you suggest me, The best way for achieving this contacts backup > operation from performance and memory usage point of view? Is there any > other way for contacts sync operation? > > It would be very helpful if anyone can share examples which can help me in > this. > > -- > Regards, > *Udayan Warnekar* > > >
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