Thanks Satya. I saw that example and tried it out but its pretty clear that the content observers and dataset observers are being set on the wrapped MatrixCursor which is discarded as soon as setInternalCursor() is called...
On Aug 19, 3:53 pm, Satya Komatineni <satya.komatin...@gmail.com> wrote: > Mark, > It has been a while I looked into this when I researched this stuff > for Live Folders chapter in "Pro Android 2" book. > I have some source code from the book here at the following URL. See > if this helps > > http://www.satyakomatineni.com/akc/display?url=DisplayNoteIMPURL&repo... > > Satya Komatinenihttp://www.satyakomatineni.comhttp://www.androidbook.com > > > > > > On Thu, Aug 19, 2010 at 3:22 AM, Mark Carter <mjc1...@googlemail.com> wrote: > > I want to implement Cursor so that it wraps another Cursor (probably > > MatrixCursor) and can swap out the wrapped Cursor as necessary. > > > I've tried two approaches: > > > 1. Subclass CursorWrapper. The problem with this is that any calls to > > registerX/unregisterX methods land on the wrapped cursor. Therefore, > > instead, the wrapping cursor needs to maintain these observers and how > > they are notified. This gets messy. > > > 2. Subclass AbstractCursor and override some methods to actually get > > the data from another cursor (the MatrixCursor). This is also tricky > > because you are trying to juggle two cursors as one. This just feels > > *wrong*. > > > Any thoughts? > > > -- > > You received this message because you are subscribed to the Google > > Groups "Android Developers" group. > > To post to this group, send email to android-developers@googlegroups.com > > To unsubscribe from this group, send email to > > android-developers+unsubscr...@googlegroups.com > > For more options, visit this group at > >http://groups.google.com/group/android-developers?hl=en > > -- -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
