Android实现带图标的列表对话框

<?xml version="1.0" encoding="utf-8"?>  <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:id="@+id/layout1"   >    <Button     android:id="@+id/button1"     android:layout_width="wrap_content"     android:layout_height="wrap_content"      android:text="打开设置对话框"/> </LinearLayout>  

<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"   android:layout_width="match_parent"   android:layout_height="match_parent"   android:orientation="vertical" >   <ImageView     android:id="@+id/image"     android:paddingLeft="10px"     android:paddingTop="20px"     android:paddingBottom="20px"     android:adjustViewBounds="true"     android:maxWidth="72px"     android:maxHeight="72px"     android:layout_width="wrap_content"     android:layout_height="wrap_content"/>   <TextView     android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:padding="10px"     android:layout_gravity="center"     android:id="@+id/title"/> </LinearLayout> 

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[]    List<Map<String,Object>> listItems=new ArrayList<Map<String,Object>>();     //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<String,Object> map=new HashMap<String,Object>();       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       }     });   }  }