Sorry, I can't help you with that; I don't even know what a MatrixCursor is.

On Wed, Apr 22, 2009 at 1:24 PM, Satya Komatineni <
[email protected]> wrote:

>
> Dianne,
> thanks for the reply.
>
> In that case the updates to the view will rely on the "requery" method
> of the cursor that is used. This will work for an SQLLiteCursor
> because its "requery" method goes back to the data source to retrieve
> the rows.
>
> But if I were to use something like "MatrixCursor" which doesn't have
> a specific "requery" mechanism, I will have to build that refresh
> logic in  a derived cursor class. Is this interpretation right?
>
> Satya
>
> On Wed, Apr 22, 2009 at 3:55 PM, Dianne Hackborn <[email protected]>
> wrote:
> > Is the same thing as anything else showing a cursor -- it looks for data
> > change callbacks that are generated by the content provider when its data
> > changes.
> >
> > On Wed, Apr 22, 2009 at 8:21 AM, Satya Komatineni
> > <[email protected]> wrote:
> >>
> >> If I create a content provider to service a live folder, and if this
> >> content provider is just a wrapper aggregating other content
> >> providers, how does the live folder know if the real content has
> >> changed somewhere down the line.
> >>
> >> For example, I have a live folder that has items pointing to video,
> >> audio, and notes. Each item in the cursor (such as an aggregated
> >> matrix cursor) may be pointing to a different underlying content
> >> provider. But each item will have its own uri.
> >>
> >> Does the live folder view register for content changes for each uri?
> >> Or is it the responsibility of the wrapper content provider to
> >> register for content changes and then notify its client the live
> >> folder?
> >>
> >> Appreciate your help
> >> Satya
> >>
> >>
> >
> >
> >
> > --
> > Dianne Hackborn
> > Android framework engineer
> > [email protected]
> >
> > Note: please don't send private questions to me, as I don't have time to
> > provide private support, and so won't reply to such e-mails.  All such
> > questions should be posted on public forums, where I and others can see
> and
> > answer them.
> >
> >
> > >
> >
>
> >
>


-- 
Dianne Hackborn
Android framework engineer
[email protected]

Note: please don't send private questions to me, as I don't have time to
provide private support, and so won't reply to such e-mails.  All such
questions should be posted on public forums, where I and others can see and
answer them.

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