[Android]simple_list_item_2 using ListActivity

<Simple2AtListActivity.java>

   1: package com.android.simple2atlistactivity;

   2:  

   3: import java.util.ArrayList;

   4: import java.util.HashMap;

   5:  

   6: import android.app.ListActivity;

   7: import android.os.Bundle;

   8: import android.widget.SimpleAdapter;

   9:  

  10: public class Simple2AtListActivity extends ListActivity {

  11:     

  12:     private static final String[] mCountries = new String[] {

  13:     "中華民國", "中華人民共和國", "日本", "英國",    "南韓",    "奧地利",

  14:     "義大利", "加拿大", "越南", "泰國", "馬來西亞"

  15:     };

  16:      

  17:     private static final String[] mCities = new String[] {

  18:         "臺北", "北京", "東京", "倫敦", "首爾", "維也納",

  19:         "羅馬", "渥太華", "河內", "曼谷", "吉隆坡"

  20:     };

  21:     

  22:     /** Called when the activity is first created. */

  23:     @Override

  24:     public void onCreate(Bundle savedInstanceState) {

  25:         super.onCreate(savedInstanceState);

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

  27:         

  28:       //把資料加入ArrayList中

  29:         for(int i=0; i<mCountries.length; i++){

  30:             HashMap<String,String> item = new HashMap<String,String>();

  31:             item.put( "Country", mCountries[i]);

  32:             item.put( "City",mCities[i] );

  33:             list.add( item );

  34:         }

  35:         

  36:       //新增SimpleAdapter

  37:         SimpleAdapter adapter = new SimpleAdapter( 

  38:                                     this, 

  39:                                     list,

  40:                                     android.R.layout.simple_list_item_2,

  41:                                     new String[] { "Country","City" },

  42:                                     new int[] { android.R.id.text1, android.R.id.text2 } );

  43:         

  44:         //ListActivity設定adapter

  45:         setListAdapter( adapter );

  46:         

  47:         //啟用按鍵過濾功能，這兩行資料都會進行過濾

  48:         getListView().setTextFilterEnabled(true);

  49:         }

  50:     

  51:  

  52: }