Alright, let me take a look. It will take a bit of time to get into this. On Thu, Aug 19, 2010 at 10:43 AM, Mark Carter <mjc1...@googlemail.com> wrote: > 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
-- Satya Komatineni http://www.satyakomatineni.com http://www.androidbook.com -- 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
