Android开发基础：自定义下拉列表样式（spinner的用

package yzy.cxt.com;      import android.app.Activity;   import android.os.Bundle;   import android.view.View;   import android.widget.AdapterView;   import android.widget.ArrayAdapter;   import android.widget.Spinner;   import android.widget.TextView;      /**    * 自定义下拉菜单    * @author 青衣修罗    *    */   public class MainActivity extends Activity {          private TextView textView;       private Spinner spinner;       private ArrayAdapter<String> adapter;       private static final String[] etoile= {               "刘德华",               "毛泽东",               "刘翔",               "盖茨"       };       @Override       public void onCreate(Bundle savedInstanceState) {           super.onCreate(savedInstanceState);           setContentView(R.layout.main);                      textView = (TextView)findViewById(R.id.textView);           spinner = (Spinner)findViewById(R.id.spinner);                      // 初始化适配器           adapter = new ArrayAdapter<String>(this,android.R.layout.simple_spinner_item,etoile);                      //设置自定义下拉菜单样式           adapter.setDropDownViewResource(R.layout.menulayout);                      //adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);                      //将适配器绑定到下拉菜单           spinner.setAdapter(adapter);                      // 为下拉菜单添加监听事件           spinner.setOnItemSelectedListener(new Spinner.OnItemSelectedListener() {                  @Override               public void onItemSelected(AdapterView<?> arg0, View arg1,                       int arg2, long arg3) {                   // 设定选中的内容                   textView.setText(etoile[arg2]);                   // 让下拉菜单的内容显示                   arg0.setVisibility(View.VISIBLE);               }                  @Override               public void onNothingSelected(AdapterView<?> arg0) {                   // TODO Auto-generated method stub                                  }                          });       }   }