Hi Bob, Thanks for your reply. I will look into my code by following what you have written in this post. Will post if I am successful in handling this.
Thanks, Praj On Tue, Apr 13, 2010 at 12:20 AM, Bob Kerns <[email protected]> wrote: > I had various issues with progress bars -- sliders in my case -- and > even replaced ListView with my own implementation. But I have a guess > what my problem was, and of my own making. > > Just for illustration purposes, here's my code replacing ListView: > ViewGroup sliders = (ViewGroup)dlg.findViewById(R.id.sliders); > int ocount = sliders.getChildCount(); > View[] children = new View[ocount]; > for (int i = ocount-1; i >= 0; --i) { > children[i] = sliders.getChildAt(i); > sliders.removeViewAt(i); > } > for (int i = 0; i < count; i++) { > View child = (i < ocount) ? children[i] : null; > View nView = m_adapter.getView(i, child, sliders); > sliders.addView(nView, i); > } > > Not so complicated. But you'll see that getView is responsible for > everything about what finally gets displayed. It is given a candidate > view for reuse, but: > > 1) It is up to getView() to determine whether it SHOULD reuse that > view > 2) If it doesn't, it should supply a brand new view > 3) If it does -- it must completely update and reinitialize that new > view. > > Note that getView() doesn't get very much information. Really, all it > gets is i. But getItem(i) should return the specific item that's being > displayed. > > So -- either your getView() is not updating or replacing the view > properly, or getItem(i) is not returning the right item to getView() > (which should be calling it), and so getView() is making the wrong > decisions. > > I hope that helps. > > On Apr 12, 6:30 pm, Prajakta Shitole <[email protected]> wrote: > > Is there anyone who had tried this.. the problem with my implementation > is > > that the list view is not getting refreshed..even after writing > > notifyDataSetChanged.. only the first row gets displayed properly the > rest > > of the rows display the progress bar even when the images hv loaded. > > > > > > > > On Sun, Apr 11, 2010 at 8:46 AM, Tunneling <[email protected]> > wrote: > > > I'm also interested in this. I've been able to load a different image > > > in place of the initial image, and then replace it when the background > > > processing is completed. However, I would really like to show an > > > indeterminate progress bar instead of an image. > > > > > J > > > > > On Apr 11, 9:48 am, praj <[email protected]> wrote: > > > > Hi, > > > > > > I am trying to have a progress bar in every row of my list view. My > > > > list is an iconic list view and have implemented it in the lazy > > > > loading way..so i want to display a progress bar (spinning progress > > > > bar) till the images are not loaded. My current approach is that i hv > > > > placed the progress bar in the layout and in my code in the getView > > > > method i dismiss it when the image is loaded. However this seems to > > > > work properly only for the first row of the list view. The progress > > > > bars are visible on the rest of the rows even if the image is loaded > > > > and only when i scroll the list do the progress bars disappear so i > am > > > > assuming this is something to do with refreshing the list view. So I > > > > have tried using notifyDataSetChanged in my getView but it is not > > > > helping. > > > > > > Please can anyone let me know if they have worked on anything similar > > > > to this. > > > > > > Thanks, > > > > Prajakta > > > > > -- > > > 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]<android-developers%[email protected]><android-developers%2Bunsubs > [email protected]> > > > For more options, visit this group at > > >http://groups.google.com/group/android-developers?hl=en > > > > > To unsubscribe, reply using "remove me" as the subject. > > -- > 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]<android-developers%[email protected]> > 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 [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
