TripleText is just an object for storing 4 strings, 3 for the text, 1
for the image URL. Rest of the code follows, sorry it's quite long...
TripleTextView:
public class TripleTextView extends LinearLayout {
private TextView mText1;
private TextView mText2;
private TextView mText3;
private String imageURL;
private ImageView image;
private Drawable imageDrawable;
public TripleTextView(Context context, TripleText tt) {
super(context);
this.setOrientation(HORIZONTAL);
//add image
imageURL = tt.getImageURL();
try {
Log.v("TTV","Loading Drawable from: "+imageURL);
imageDrawable = Drawable.createFromStream(new
URL(imageURL).openStream(), "src");
Log.v("TTV","Image created ok");
} catch (MalformedURLException e) {
Log.v("TTV","Malformed URL");
} catch (IOException e) {
Log.v("TTV","IO Exception");
}
image = new ImageView(context);
image.setImageDrawable(imageDrawable);
addView(image, new LinearLayout.LayoutParams(
LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
LinearLayout subLayout = new LinearLayout(context);
subLayout.setOrientation(VERTICAL);
mText1 = new TextView(context);
mText1.setText(tt.getText1());
subLayout.addView(mText1, new LinearLayout.LayoutParams(
LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
mText2 = new TextView(context);
mText2.setText(tt.getText2());
subLayout.addView(mText2, new LinearLayout.LayoutParams(
LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
mText3 = new TextView(context);
mText3.setText(tt.getText3());
subLayout.addView(mText3, new LinearLayout.LayoutParams(
LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
addView(subLayout, new LinearLayout.LayoutParams(
LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
}
public void setText1(String words) {
mText1.setText(words);
}
public void setText2(String words) {
mText2.setText(words);
}
public void setText3(String words) {
mText3.setText(words);
}
public void setImageURL(String imageURL) {
this.imageURL = imageURL;
}
}
TripleListAdapter:
public class TripleListAdapter extends BaseAdapter {
private Context mContext;
private List<TripleText> mItems = new ArrayList<TripleText>();
public TripleListAdapter(Context context) {
mContext = context;
}
public void addItem(TripleText it) { mItems.add(it); }
public void setListItems(List<TripleText> lit) { mItems = lit; }
public int getCount() { return mItems.size(); }
public Object getItem(int position) { return mItems.get(position); }
public boolean areAllItemsSelectable() { return false; }
public boolean isSelectable(int position) {
try{
return mItems.get(position).isSelectable();
}catch (IndexOutOfBoundsException aioobe){
return false;
}
}
public long getItemId(int position) {
return position;
}
public View getView(int position, View convertView, ViewGroup
parent) {
TripleTextView ttv;
if (convertView == null) {
ttv = new TripleTextView(mContext, mItems.get(position));
} else {
ttv = (TripleTextView) convertView;
ttv.setText1(mItems.get(position).getText1());
ttv.setText2(mItems.get(position).getText2());
ttv.setText3(mItems.get(position).getText3());
ttv.setImageURL(mItems.get(position).getImageURL());
}
return ttv;
}
}
On 20/04/2010 15:25, Martin Obreshkov wrote:
Can you paste some code
On Tue, Apr 20, 2010 at 5:19 PM, Tom F M White <fred...@gmail.com
<mailto:fred...@gmail.com>> wrote:
I've made a custom ListAdaptor, with associated View, that
displays an icon on the left of each list item, with three lines
of text to the right. In MyView.onCreate(), the icons are
populated using
imageView.setImageDrawable(Drawable.createFromStream(URL)); each
item on the list is it's own object, so each of these is done
individually for each list item. However when viewing the list,
the first few items display correctly, but as you scroll down the
list, those images that were not visible initially are replaced
with the same images used in the top few items, so 4/5 images end
up reused for the entire list. The text for each list item is
correct. What is going wrong?
Tom
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