<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"

    android:paddingBottom="@dimen/activity_vertical_margin"

    android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    tools:context=".MainActivity" >

    <Button

        android:id="@+id/button"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="点击弹出PopupMenu菜单"

        android:layout_centerInParent="true"

        android:onClick="onOpenPopup"

        android:textSize="20sp"/>

</RelativeLayout>

<menu xmlns:android="http://schemas.android.com/apk/res/android" >

    <item

        android:id="@+id/popoMenu1"

        android:title="菜单一"/>

    <item

        android:id="@+id/popoMenu2"

        android:title="菜单二"/>

</menu>

package com.example.day10_popumenu;

import android.os.Bundle;

import android.app.Activity;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.widget.Button;

import android.widget.PopupMenu;

import android.widget.Toast;

import android.widget.PopupMenu.OnMenuItemClickListener;

import android.widget.TextView;

/**

 * Popupmenu 泡泡菜单,菜单放在对应的控件下面,不能自动触发

 * 1.PopuMenu在3.0以后的版本使用

 * 2.创建

 *

 * @author my

 *

 */

public class MainActivity extends Activity {

    private Button button;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        button = (Button) findViewById(R.id.button);

    }

    public void onOpenPoPup(View v){

        /**

         * 创建Popupmenu对象,参数2表示将popummenu放大到对应的控件下面

         */

        PopupMenu popupMenu = new PopupMenu(MainActivity.this, button);

        //将xml的menu加载到popupMenu中

        popupMenu.getMenuInflater().inflate(R.menu.main, popupMenu.getMenu());

        //展示--点击menuitem选项后,会自动隐藏

        popupMenu.show();

        //为popupMenu 设置点击事件

        popupMenu.setOnMenuItemClickListener(new OnMenuItemClickListener() {

            @Override

            public boolean onMenuItemClick(MenuItem item) {

                Toast.makeText(MainActivity.this, item.getItemId(), 0).show();

                return true;

            }

        });

    }

}