<LinearLayout 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"

    android:orientation="vertical"

    >

<Button

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_gravity="center"

        android:onClick="onPopupButtonClick"

        android:text="单击我" />

</LinearLayout>

package org.crazyit.helloworld;

import android.os.Bundle;

import android.app.Activity;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.widget.PopupMenu;

import android.widget.Toast;

public class PopupMenuTest extends Activity {

    PopupMenu popup=null;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.popup_menu_test);

    }

    public void onPopupButtonClick(View button)

    {

        //创建PopupMenu对象

        popup=new PopupMenu(this,button);

        //将R.menu.popup_menu菜单资源加载到popup菜单中

        getMenuInflater().inflate(R.menu.popup_menu,popup.getMenu());

        //为popup菜单的菜单项单击事件绑定事件监听器

        popup.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener(){

            @Override

            public boolean onMenuItemClick(MenuItem item) {

                switch(item.getItemId())

                {

                case R.id.exit:

                    //隐藏该对话框

                    popup.dismiss();

                    break;

                default:

                    //使用Toast显示用户单击的菜单项

                    Toast.makeText(PopupMenuTest.this, "您单击了【"+item.getTitle()+"】菜单项",Toast.LENGTH_SHORT).show();

                }

                // TODO Auto-generated method stub

                return false;

            }

        });

        popup.show();

    }

    @Override

    public boolean onCreateOptionsMenu(Menu menu) {

        // Inflate the menu; this adds items to the action bar if it is present.

        getMenuInflater().inflate(R.menu.popup_menu_test, menu);

        return true;

    }

}