ListView显示同一行的5倍

public class CustomAdapter extends BaseAdapter {
    private List<String> data;

    public CustomAdapter(List<String> data) {
        this.data = data;
    }

    @Override
    public int getCount() {
        return data.size() * 5;
    }

    @Override
    public Object getItem(int position) {
        return data.get(position / 5);
    }

    @Override
    public long getItemId(int position) {
        return position;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        ViewHolder viewHolder;

        if (convertView == null) {
            convertView = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item, parent, false);
            viewHolder = new ViewHolder();
            viewHolder.textView = convertView.findViewById(R.id.text_view);
            convertView.setTag(viewHolder);
        } else {
            viewHolder = (ViewHolder) convertView.getTag();
        }

        String item = (String) getItem(position);
        viewHolder.textView.setText(item);

        return convertView;
    }

    private static class ViewHolder {
        TextView textView;
    }
}