@Override
    public View getChildView(int groupPosition, int childPosition,
            boolean isLastChild, View convertView, ViewGroup parent) {

        View v = convertView;

        if (v == null) {
            LayoutInflater inflater = (LayoutInflater)ctx.getSystemService
                    (Context.LAYOUT_INFLATER_SERVICE);
            v = inflater.inflate(R.layout.listview_row_child, parent, false);
        }

        TextView itemName = (TextView) v.findViewById(R.id.itemName);
        Swith itemDescr = (Switch) v.findViewById(R.id.itemDescr);

        ChildModel det = catList.get(groupPosition).getItemList().get(childPosition);

        itemName.setText(det.getName());
//      itemDescr.setText(det.getChoices()[0] + det.getChoices()[1]);
        itemDescr.setTextOff(det.getChoices()[0]);
        itemDescr.setTextOn(det.getChoices()[1]);

        return v;

    }

inflater.inflate(R.layout.child_item, null);