The trick is simple: avoid any allocation that might trigger a GC. On Wed, Mar 25, 2009 at 1:18 PM, admin.androidsl...@googlemail.com <admin.androidsl...@googlemail.com> wrote: > > Getting a bit disillusioned after spending most of the day trying to > make a smooth scrolling app. I've tried everything, views, surface > views, delaying threads, just scrolling tiny pictures, etc., but > whatever I try, there is always an unsightly flicker even though I can > easily achieve 20 - 30 fps. > > So I thought I'd check out whats out there in the market to see if > anyone else can crack this. And I couldn't find anything at all! Most > games don't handle scrolling at all, just moving whats on the screen. > Even commercial games like deBlob don't seem to scroll smoothly. > > And yet I did find one single app which does handle smooth scrolling. > The native picture viewer does very smooth scrolling on the thumbnail > view. Does anyone know how the picture viewer does smooth thumbnail > scrolling? Going through the source code, I think it uses an extended > View - GridViewSpecial. > > Could anyone offer any other examples of smooth scrolling? > > Surely smooth scrolling is going to be vital if apps want to out- > perform iPhone apps!! > > > >
-- Romain Guy Android framework engineer romain...@android.com Note: please don't send private questions to me, as I don't have time to provide private support. 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 -~----------~----~----~----~------~----~------~--~---
