public class DemoActivity extends Activity {

 //顯示具體菜品 

 private ListView listDishes = null;

 //具體菜品listview介面卡 

 private MyAdapter myAdapter;

 //列表，用來存放類別下的菜品 

 List<HashMap<String, String>> data;

 @Override

 protected void onCreate(Bundle savedInstanceState) {

 super.onCreate(savedInstanceState);

 setContentView(R.layout.menu);

 //取得所有的菜品  

 data = this.getDishes();

 myAdapter = new MyAdapter(this);

 //尋找菜類別控制元件 

 listDishes = (ListView)findViewById(R.id.listDishes);

 //設定介面卡 

 listDishes.setAdapter(myAdapter);

 //繫結菜品列表單擊監聽器 

 listDishes.setOnItemClickListener(new OnItemClickListener(){

 @Override

 public void onItemClick(AdapterView<?> parent, View view,

 int position, long id) {

    myAdapter.setSelectItem(5); //自定義的變數，以便讓adapter知道要選中哪一項
 

    myAdapter.notifyDataSetInvalidated();//提醒資料已經變動

 }

 });

}

 public List<HashMap<String, String>> getDishes() {

 //宣告一個雜湊陣列 

 ArrayList<HashMap<String, String>> list = new
 
 ArrayList<HashMap<String, String>>();

 HashMap<String, String> map1 = new HashMap<String, String>();

 //載入菜品資訊 

 map1.put("dish_name", "魚香肉絲");

 map1.put("dish_price", "5元");

 //新增進列表中 

 list.add(map1);

 return list;

 }

 static class ViewHolder {

 TextView textDishName;

 TextView textDishPrice;

 }

 public class MyAdapter extends BaseAdapter {

 private LayoutInflater mInflater;

 private int selectItem=-1;

 public MyAdapter(Context context) {

 this.mInflater = LayoutInflater.from(context);

 }

 public int getCount() {

 // TODO Auto-generated method stub  

 return data.size();

 }

 public Object getItem(int arg0) {

 // TODO Auto-generated method stub  

 return data.get(arg0);

 }

 public long getItemId(int arg0) {

 // TODO Auto-generated method stub  

 return arg0;

 }

 public View getView(int position, View convertView, ViewGroup parent) {

 ViewHolder holder;

 if (convertView == null) {

 holder = new ViewHolder();

 //此處佈局檔案詳見文章最後 

 convertView = mInflater.inflate(R.layout.list_dishes_detail, null);

 holder.textDishName = (TextView) convertView.findViewById(R.id.dish_name);

 holder.textDishPrice = (TextView) convertView.findViewById(R.id.dish_price);

 convertView.setTag(holder);

 } else {

 holder = (ViewHolder) convertView.getTag();

 }

 holder.textDishName.setText(data.get(position).get("dish_name"));

 holder.textDishPrice.setText(data.get(position).get("dish_price"));

 //如果位置相同則設定背景為黃色 

 if (position == selectItem) {

 convertView.setBackgroundColor(Color.YELLOW);

 }

 else {

 convertView.setBackgroundColor(Color.TRANSPARENT);

 }

 return convertView;

 }

 public void setSelectItem(int selectItem) {

 this.selectItem = selectItem;

 }

 }

}