The fix was related to ListView's recycling of views, you won't be able to easily work around the bug without modifying the framework.
On Tue, Feb 2, 2010 at 3:49 AM, Worgle <[email protected]> wrote: > Hi Romain, > > Thanks for taking the time to answer this yourself. > You're probably right : the fix was probably made on ListView rather > that on TransitionDrawable. > > The reason I need to know where the fix was is that I have to maintain > backward compatibility with Android 1.5, thus I would be happy to find > a workaround for this little bug. > > I looked at the diffs (since Android 2.1 source code was pushed on > public git repository today !) but I wasn't able to find the fix yet. > I'll keep looking for it. > > PS : Désolé pour mon anglais, et au passage merci pour ce sympatique > framework. :) > > On Feb 1, 7:37 pm, Romain Guy <[email protected]> wrote: >> Hi, >> >> Why exactly do you need to know what the fix was? I don't remember >> doing anything to fix TransitionDrawable so it's probably one of the >> numerous fixes that went into ListView itself that's responsible for >> the new correct behavior. >> >> >> >> On Mon, Feb 1, 2010 at 8:39 AM, Worgle <[email protected]> wrote: >> > Hello, >> >> > It seams to me that a bug was fixed between android 2.0.1 and 2.1 >> > about TransitionDrawable (or maybe ImageView). >> >> > When using TransitionDrawable in a ListView (with convert view >> > mechanism) in android 2.0.1 and below, I can't see the Transition if I >> > scroll rapidly to the end of the list, and then go back to the middle >> > (even through I'm calling startTransition). Note that my >> > TransitionDrawable is set as the image of an ImageView. >> > (Tested on emulators from 1.6 to 2.1, and on real devices : G2 with >> > 1.5, G2 with 1.6 and Nexuos One with 2.1) >> >> > But with android 2.1, the bug magically disappeared ! I'm quite happy >> > but I still want backward compatibility... >> >> > So is there anyone on the android team a bit less busy than the others >> > who could run a diff on TransitionDrawable and ImageView between 2.01 >> > and 2.1 and tell us what's going on ? :) >> >> > Of course the change could have occured on LayerDrawable or other >> > parent's classes as well... >> >> > Thanks, >> >> > Fabien >> >> > PS : here's part of my code >> >> > Drawable drawableOld = this.getDrawable(); >> > Drawable drawableNew = new BitmapDrawable >> > (bitmap); >> > Drawable[] layers = {drawableOld, drawableNew}; >> > TransitionDrawable transitionDrawable = new >> > TransitionDrawable(layers); >> > transitionDrawable.setCrossFadeEnabled(true); >> > setImageDrawable(transitionDrawable); >> > transitionDrawable.startTransition >> > (TRANSITION_DURATION); >> >> > -- >> > 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 >> >> -- >> Romain Guy >> Android framework engineer >> [email protected] >> >> 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 [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 > -- Romain Guy Android framework engineer [email protected] 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 [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
