@Override
  public View getView(final int position, View convertView, ViewGroup parent) {
    Holder holder = null;
    if (convertView == null) {
      holder = new Holder();
      convertView = inflater.inflate(R.layout.water_band_list_item, null);
      holder.tv_band_money = (TextView) convertView.findViewById(R.id.m_tv_band_money);
      holder.tv_band_name = (TextView) convertView.findViewById(R.id.m_tv_band_name);
      holder.iv_band_icon = (ImageView) convertView.findViewById(R.id.m_iv_band_icon);

      convertView.setTag(holder);
    } else {
      holder = (Holder) convertView.getTag();
    }
    WaterBand waterBand = waterBands.get(position);
    holder.tv_band_money.setText(
        "原价" + waterBand.getPrice() + "元/桶" + ",折扣价" + waterBand.getDis_price() + "元/桶");
    holder.tv_band_name.setText(waterBand.getName());
    finalBitmap.display(
        holder.iv_band_icon,
        waterBand.getImg_url(),
        defDrawable.getBitmap(),
        defDrawable.getBitmap());

    return convertView;
  }