@Dmitri

thanks once again

But why my SyncService not gets started by SyncManager on Device i
dont know , and i explicitly call requestSync flow is not going inside
onPerformSync.?


thanks

On Jan 31, 1:49 pm, Dmitri Plotnikov <[email protected]> wrote:
> Sending requestSync to contentresolver is the right way to go if you want an
> explicit button to request sync. This is what applications like Calendar and
> Gmail do when you push the "Sync" button.  ContentProvider will also request
> sync whenever there is a change in the data.
>
> You should query raw contacts that have the DIRTY flag set.  These are the
> added, deleted or changed contacts.   Your sync adapter should reset this
> flag after syncing up changes.  It also needs to physically remove deleted
> contacts from the database.  In both cases it needs to supply the
> CALLER_IS_SYNCADAPTER query parameter - otherwise the protocol won't work.
>
> Cheers,
> - Dmitri
>
> On Mon, Jan 31, 2011 at 1:37 PM, himanshu jain <[email protected]>wrote:
>
>
>
>
>
>
>
> > @Dmitri
>
> > Thanks a lot for spending time to answer my questions at least some
> > doubts are faded off.
>
> > 1) I understand to use own activity for editing and creating new
> > contacts.
>
> > 2) Ok, if i avoid ContentObserver even i had that in mind might
> > require something to be running in background which is bad agreed.
>
> > 3) But, there are two use cases first if there is a button that say
> > sync now and i send request using requestSync() method will it start
> > immediate sync via SyncManager or again it will depend upon
> > SyncManager discretion?? if thats true i cannot start immediate
> > Sync ??.
>
> >  Second use case how would i know if there is a change corresponding
> > to my account in raw_contact utilizing best practice push
> > notification ?? so that i can trigger syncing.
>
> > thanks Dimitri for your time and ideas
>
> > On Jan 30, 11:42 am, Dmitri Plotnikov <[email protected]> wrote:
> > > Hi Himanshu,
>
> > > 1) SampleSyncAdapter is still a good source of inspiration.  It has some
> > > issues and plan to have them fixed in the nearest future.
>
> > > 2) In releases of Android from Eclair through Gingerbread integrated
> > editing
> > > of 3rd party contacts is poorly supported.  The trick is to insert a data
> > > row, "Edit in MyApp", which would take the user to your app and your app
> > > would then provide an editor activity.  Also, there is no provision in
> > the
> > > Contacts UI for creating new contacts in 3rd party accounts.  We have
> > fixed
> > > those issues in Honeycomb.  Now you can specify two activities in your
> > > metadata xml file: one for creating new contacts and one for editing
> > > existing ones and voilà! - you have seamless integration.  Of course,
> > it's a
> > > bit too soon to rely on Honeycomb as the dominant version of Android ;-)
> >  So
> > > for now you will need to either go with the described hack or only allow
> > > creation/editing of contacts through your app.
>
> > > 3) Please consider an alternative to using content observers for a sync
> > > adapter.  There are several reasons:
>
> > > - In order to receive notifications, your process will need to be running
> > at
> > > all times. Or it would have to have a broadcast receiver, which is very
> > very
> > > costly.
> > > - Content observer notifications are not reliable.  If your process is
> > not
> > > running at the time the change occurs, the notification will never be
> > > delivered.  A broadcast receiver will solve that problem, but please
> > don't
> > > use broadcast receivers for this!
> > > - Contacts provider sends out non-discriminated notifications.  Whenever
> > > anything (e.g. chat presence) changes, all observers are notified whether
> > > they have supplied a specific URI or not.
>
> > > What you do want to use is the DIRTY flag and the CALLER_IS_SYNCADAPTER
> > > query parameter and let SyncManager invoke your sync adapter.  It does
> > some
> > > sophisticated scheduling and you want to take advantage of it.
>
> > > Cheers,
> > > - Dmitri
>
> > > On Fri, Jan 28, 2011 at 4:22 PM, himanshu jain <[email protected]
> > >wrote:
>
> > > > Hi All,
>
> > > > I am trying to implement two way sync.
>
> > > > 1) I tried using SampleSyncAdapter Code first it works on emulator but
> > > > not on Device , then i tried to write SyncAdapter with SyncService as
> > > > a demo app with AccountAuthenticator, as per Documentation for
> > > > SampleSyncAdapter SyncService gets called on
> > > > ACTION_AUTHENTICATOR_INTENT but my service does not gets started on
> > > > device , i defined service in manifest and all things but does not
> > > > work on device it gets started on Emulator.
>
> > > > 2) If i port my app on device i can see only first name and last name
> > > > fields how can i see all the fields available for contact
> > > > application ?? can i edit them also utilizing the same native
> > > > editor??.
>
> > > > 3) I planning to add contentobserver for sync from device to cloud
> > > > whenever there is change corresponding to my account in contact table
> > > > i want to sync it after listening through contentobserver.Is that
> > > > correct ??.
>
> > > > thanks
>
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