Run your code in a profiler. Make sure you aren't thrashing through temporary objects. If the GC is running much while scrolling, optimize to reduce temp objects.
On Thu, Aug 26, 2010 at 6:18 PM, ls02 <agal...@audible.com> wrote: > I have list view with fairly complex list view items consisting of > several image views, several text views, progress bars, etc. Depending > on the state of the item some of these elements can be show and some > are hidden. I understand that listview recycles views. Right now I am > dealing with slow listview scrolling especially on lower powered > devices. What's the best way to deal with this problem? > > I already optimized each list item view as much as I could. Now I am > facing with what's the best? Use one single view with many children > for all items and hide and show various children depending on the item > state. This way I do not inflate each item view as list is being > scrolled but need to show and hide constantly various child views. > > Another approach is to build item view dynamically each time view is > requested in the adapter getView method. In this case I can only add > at run time those elements that are truly needed for current item > state but this requires inflating item view every time. > > Finally the third approach is most extreme is to have one custom view > and draw everything myself. This of cause requires a lot of work. > > -- > 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<android-developers%2bunsubscr...@googlegroups.com> > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- Dianne Hackborn Android framework engineer hack...@android.com 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 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
