<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"   xmlns:tools="http://schemas.android.com/tools"   android:layout_width="match_parent"   android:layout_height="match_parent" >     <ListView android:id="@+id/ListView01"       android:layout_width="fill_parent"      android:layout_height="fill_parent"/>   </RelativeLayout> 

public class TestActivity extends Activity {       //初始化字符數組：arrayValue用于存放數據庫中取得的key值，arrayText用于存放數據庫中取得的Value值    String[] arrayValue;    String[] arrayText;       @Override   public void onCreate(Bundle savedInstanceState) {     super.onCreate(savedInstanceState);     setContentView(R.layout.activity_test_item);              //保證線程安全，防止多線程同時運行     StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder()     .detectDiskReads()     .detectDiskWrites()     .detectAll()       .build());          //初始化DBHelper      final DBHelper dbHelper = new DBHelper(this);      //查詢業務類型語句      String sql = "select * from t_Test";        final Cursor cur = dbHelper.select(sql);           // 防止數據庫中無數據出錯     if (cur != null && cur.getCount() > 0) {       arrayText = new String[cur.getCount()];       arrayValue = new String[cur.getCount()];       // 移動到第一條記錄       cur.moveToFirst();       int i = 0;       int index = 0;       // 遍歷Cursor，把數據添加到數組中       while (!cur.isAfterLast()) {         index = cur.getColumnIndex("要查找的列名");         arrayText[i] = cur.getString(index);         index = cur.getColumnIndex("id");         arrayValue[i] = cur.getString(index);         i++;         cur.moveToNext(); // 移動到下一條記錄       }     }              String[] contentString = arrayText;       //創建listview適配器，存放取得的radiobutton       ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>( this,            android.R.layout.simple_list_item_single_choice,            contentString);        ListView mylist = (ListView)findViewById(R.id.ListView01);        mylist.setAdapter(arrayAdapter);                  //radiobutton監聽事件       mylist.setOnItemClickListener(new OnItemClickListener() {         public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,             long arg3) {                     //將選擇的radiobutton的Value值傳入到實體類ApplicationData中           appData.BusinessID =arrayValue[arg2];                    }       });        //設置選擇模式：單選模式       mylist.setChoiceMode(ListView.CHOICE_MODE_SINGLE);      }    @Override   public boolean onCreateOptionsMenu(Menu menu) {     getMenuInflater().inflate(R.menu.activity_business_item, menu);     return true;   }   }