You should look into Romain Guy's 2009/10 Google I/O presentations on UI -- he is the whip with ListViews/UI. If you're looking for what I think you're looking to do -- which is speed up that list view -- he has a view holder pattern that will do just that.
Peace, Dan On Oct 16, 10:08 pm, Studio LFP <studio....@gmail.com> wrote: > Based on the code there, you wouldn't have the chance to recycle the bitmap > as you don't keep a handle to it anywhere. > > Then again, if the ListView discards that particular row and you aren't > retaining any handles to the bitmap, then the bitmap should be scheduled for > collection by the GC. If you did try to retrieve the view that was holding > the image from the ListView and it did return it to you, there is a good > chance the ListView still wants to use it and you would not want to release > the bitmap. > > Is there a reason you are wanting to try to recycle the bitmap? > > Also, we are talking about the recycle() function on bitmap and not reusing > the same bitmap, correct? > > Steven > Studio LFPhttp://www.studio-lfp.com > > > > > > > > On Sunday, October 16, 2011 4:14:48 AM UTC-5, emanuele wrote: > > > Hello guys.. that s my baseAdapter getview implmentation: > > > @Override > > public View getView(int position, View convertView, ViewGroup parent) > > { > > > int type = getItemViewType(position); > > if (convertView == null) { > > switch (type) { > > case TYPE_BIG_NEWS: > > convertView = mInflater.inflate(R.layout.big_news, null); > > break; > > case TYPE_NORMAL_NEWS: > > convertView = mInflater.inflate(R.layout.normal_news, null); > > break; > > default: > > break; > > } > > } > > > ImageView thumb = (ImageView) > > convertView.findViewById(R.id.thumbId); > > > File f = null; > > if (filename != null) > > f = mFileCache.getFile(i.newsKey, filename); > > if (f == null) { > > if (mGetThumbsThread != null && filename != null) { > > Log.i(TAG, "cache miss"); > > thumbLinks.offer(new ThumbRequest(i.newsKey, i.thumbLink, > > i.thumbName)); > > mGetThumbsThread.signal(); > > } > > thumb.setImageResource(placeHolder); > > } else { > > Log.i(TAG, > > "file bitmap cached: " + f.getName() + " size: " + f.length() / > > 1024); > > bitmap = BitmapFactory.decodeFile(f.getAbsolutePath()); > > thumb.setImageBitmap(bitmap); > > } > > > return convertView; > > } > > > Every row is compound of text and an ImageView. Is there any chance to > > recycle the bitmap I use in the getView? -- 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