Android实现带图标的列表对话框

package com.example.test;  
  
import java.util.ArrayList; 
import java.util.HashMap; 
import java.util.List; 
import java.util.Map; 
 
 
import android.app.Activity; 
import android.app.AlertDialog; 
import android.app.AlertDialog.Builder; 
import android.content.DialogInterface; 
import android.os.Bundle; 
import android.view.View; 
import android.view.View.OnClickListener; 
import android.widget.Button; 
import android.widget.SimpleAdapter; 
import android.widget.Toast; 
  
public class MainActivity extends Activity {  
 
 
  @Override  
  public void onCreate(Bundle savedInstanceState) {  
    super.onCreate(savedInstanceState);  
    setContentView(R.layout.main);  
     
    int[] imageId=new int[]{R.drawable.in,R.drawable.stop, 
        R.drawable.setting,R.drawable.music,R.drawable.exit}; 
    final String[] title=new String []{"程序管理","保密设置","安全设置","邮件设置","铃声设置"}; 
    List> listItems=new ArrayList>(); 
    //通过for循环将图片id和列表项文字放到map中，并添加到List集合中 
    for (int i = 0; i < imageId.length; i++) { 
      Map map=new HashMap(); 
      map.put("image", imageId[i]); 
      map.put("title", title[i]); 
      listItems.add(map); 
    } 
    final SimpleAdapter adapter=new SimpleAdapter(this,listItems, 
        R.layout.item,new String[]{"title","image"},new int[]{R.id.title,R.id.image}); 
     
    Button button=(Button)findViewById(R.id.button1); 
    button.setOnClickListener(new OnClickListener() { 
       
      @Override 
      public void onClick(View arg0) { 
        Builder builder=new AlertDialog.Builder(MainActivity.this); 
        builder.setIcon(R.drawable.music);//设置对话框的图标 
        builder.setTitle("设置：");//设置对话框的标题 
        //添加列表项 
        builder.setAdapter(adapter, new DialogInterface.OnClickListener() { 
           
          @Override 
          public void onClick(DialogInterface dialog, int which) { 
            Toast.makeText(MainActivity.this, "您选择了【"+title[which]+"】", Toast.LENGTH_SHORT).show(); 
             
          } 
        }); 
        builder.create().show();//创建对话框并显示 
      } 
    }); 
  }  
}