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
