public class ViewHolder {    // I added a generic return type to reduce the casting noise in client code    @SuppressWarnings("unchecked")    public static <T extends View> T get(View view, int id) {        SparseArray<View> viewHolder = (SparseArray<View>) view.getTag();        if (viewHolder == null) {            viewHolder = new SparseArray<View>();            view.setTag(viewHolder);        }        View childView = viewHolder.get(id);        if (childView == null) {            childView = view.findViewById(id);            viewHolder.put(id, childView);        }        return (T) childView;    }}

@Overridepublic View getView(int position, View convertView, ViewGroup parent) {     if (convertView == null) {        convertView = LayoutInflater.from(context)          .inflate(R.layout.banana_phone, parent, false);    }     ImageView bananaView = ViewHolder.get(convertView, R.id.banana);    TextView phoneView = ViewHolder.get(convertView, R.id.phone);     BananaPhone bananaPhone = getItem(position);    phoneView.setText(bananaPhone.getPhone());    bananaView.setImageResource(bananaPhone.getBanana());     return convertView;}