I added a short delay to the update message and cancel any pending updates before creating a new one and that seems to help with the animation issues.
So call Handler.removeMessages and use sendMessageDelayed instead of sendMessage On Feb 17, 8:20 pm, Dewr <[email protected]> wrote: > Hi Richard. Have you solved this problem? > I am getting pain from same problem. :( > But I have seen an app works well smoothly. the name of it is '예스24'. > > On 1/13/11, Richard Schilling <[email protected]> wrote: > > > > > > > > > I have a gallery on my screen. Works great and scrolls smoothly ... > > until I set the OnItemSelectedListener. When I do, Gallery gets > > really "jerkey". It seems to stick. I think I know why, but I was > > wondering if others have found a better solution they would be willing > > to share. Here's my onItemSelectedListener: > > > myGallery.setOnItemSelectedListener(new OnItemSelectedListener(){ > > @Override > > public void onItemSelected(AdapterView<?> parent, View > > view, > > int position, long id) { > > // do nothing on purpose to see what the effect > > is > > if (view == null) > > return; > > > Message msg = Message.obtain(); > > msg.obj = view.getTag(); > > _handler.sendMessage(msg); > > > } > > }}); > > > And here is the handler: > > > private Handler _handler = new Handler(){ > > public void handleMessage(Message msg){ > > > if (msg.obj != null && msg.obj instanceof String){ > > > textView1.setText(msg.toString()); > > textView2.setText(msg.toString().length(); > > } > > } > > }; > > > When the UI thread updates the controls with the data, it seems to > > interrupt the scrolling of the gallery itself and causes the gallery > > to not scroll smoothly. Commenting out the handler code eliminates > > the problem. > > > So, I know the problem has to do with the fact that the UI just can't > > update the text controls and keep the gallery scrolling smoothly at > > the same time. > > > Does anyone have a work around for this problem? > > > Thanks in advance! > > > -- > > 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 -- 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
