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. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---

