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Note that there are some explanatory texts on larger screens.

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    <p>it's the beginning of the issue! </p> <p>I use it and it works </p> <pre><code>public class ImageAdapter extends BaseAdapter { private LayoutInflater mInflater; public ImageAdapter() { //Largeur des colonnes LargeurCol = (int) ((largeurEcran / 4)-7); System.out.println(LargeurCol); mInflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE); } public int getCount() { return count; } public Object getItem(int position) { return position; } public long getItemId(int position) { return position; } public View getView(int position, View convertView, ViewGroup parent) { ViewHolder holder; if (convertView == null) { holder = new ViewHolder(); convertView = mInflater.inflate(R.layout.galleryitem, null); holder.imageview = (ImageView) convertView.findViewById(R.id.thumbImage); holder.imageview.setLayoutParams(new RelativeLayout.LayoutParams(LargeurCol, LargeurCol)); holder.checkbox = (CheckBox) convertView.findViewById(R.id.itemCheckBox); holder.checkbox.setButtonDrawable(R.drawable.checkbox); convertView.setTag(holder); } else { holder = (ViewHolder) convertView.getTag(); } holder.checkbox.setId(position); holder.imageview.setId(position); holder.checkbox.setOnClickListener(new OnClickListener() { public void onClick(View v) { // TODO Auto-generated method stub CheckBox cb = (CheckBox) v; int id = cb.getId(); if (thumbnailsselection[id]){ cb.setChecked(false); thumbnailsselection[id] = false; } else { cb.setChecked(true); thumbnailsselection[id] = true; } } }); holder.imageview.setOnClickListener(new OnClickListener() { public void onClick(View v) { int id = v.getId(); Intent intent = new Intent(); intent.setAction(Intent.ACTION_VIEW); intent.setDataAndType(Uri.parse("file://" + arrPath[id]), "image/*"); startActivity(intent); } }); holder.imageview.setImageBitmap(thumbnails[position]); holder.checkbox.setChecked(thumbnailsselection[position]); holder.id = position; return convertView; } } class ViewHolder { ImageView imageview; CheckBox checkbox; int id; } </code></pre> <p>The setLayoutParams is not an obligation it's to adapt the row size to the screen.</p>
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    1. POAndroid: Custom List Adapter image, text, sub text and checkbox
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    1. POAndroid: Custom List Adapter image, text, sub text and checkbox
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    1. COStill doesnt work, i tried to re-write all my code implementing "BaseAdapter" as u suggest in ur code but i've just a white screen with only header row visible. I've also modify my code using getSystemService(..) instead getLayoutInflater() (the only difference that i see between 2 codes) but the result is the same: all work well but checkBox wont appear.
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      1. USMarco Rossini
    2. COSOLVED, THANKS !
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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