public class PersonAdapter extends BaseAdapter {
 private List persons;// 要綁定的數據
 private int resource;// 綁定的一個條目界面的id，此例中即為item.xml
 private LayoutInflater inflater;// 布局填充器，它可以使用一個xml文件生成一個View對象，可以通過Context獲取實例對象

 public PersonAdapter(Context context, List persons, int resource) {
  inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
  this.resource = resource;
  this.persons = persons;
 }

 @Override
 public int getCount() {// 得到要綁定的數據總數
  return persons.size();
 }

 @Override
 public Object getItem(int position) {// 給定索引值，得到索引值對應的對象
  return persons.get(position);
 }

 @Override
 public long getItemId(int position) {// 獲取條目id
  return position;
 }

 // ListView有緩存功能，當顯示第一頁頁面時會創建頁面對象，顯示第二頁時重用第一頁創建好了的對象
 // 取得條目界面:position代表當前條目所要綁定的數據在集合中的索引值
 @Override
 public View getView(int position, View convertView, ViewGroup parent) {
  TextView nameView = null;
  TextView phoneView = null;
  TextView amountView = null;
  if (convertView == null) {// 顯示第一頁的時候convertView為空
   convertView = inflater.inflate(resource, null);// 生成條目對象
   nameView = (TextView) convertView.findViewById(R.id.name);
   phoneView = (TextView) convertView.findViewById(R.id.phone);
   amountView = (TextView) convertView.findViewById(R.id.amount);

   ViewCache cache = new ViewCache();
   cache.amountView = amountView;
   cache.nameView = nameView;
   cache.phoneView = phoneView;
   convertView.setTag(cache);
  } else {
   ViewCache cache = (ViewCache) convertView.getTag();
   amountView = cache.amountView;
   nameView = cache.nameView;
   phoneView = cache.phoneView;
  }

  Person person = persons.get(position);
  // 實現數據綁定
  nameView.setText(person.getName());
  phoneView.setText(person.getPhone());
  amountView.setText(person.getAmount());
  return convertView;
 }

 private final class ViewCache {
  public TextView nameView;
  public TextView phoneView;
  public TextView amountView;
 }
}