package com.example.actionbartest;


import android.os.Bundle;

import android.app.Activity;

import android.view.Menu;

import android.view.MenuItem;

import android.widget.Toast;


public class MainActivity extends Activity {


@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);


}


@Override

public boolean onCreateOptionsMenu(Menu menu) {

//添加菜单项

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


return super.onCreateOptionsMenu(menu);

}


//对menu栏进行监听

public boolean onOptionsItemSelected(MenuItem item) {

// TODO Auto-generated method stub


switch (item.getItemId()) {

case R.id.add:

Toast.makeText(this, "add", Toast.LENGTH_SHORT).show();

break;

case R.id.delete:

Toast.makeText(this, "delete", Toast.LENGTH_SHORT).show();

break;

case R.id.save:

Toast.makeText(this, "save", Toast.LENGTH_SHORT).show();

break;

case R.id.help:

Toast.makeText(this, "help", Toast.LENGTH_SHORT).show();

break;


default:

break;

}

return super.onOptionsItemSelected(item);

}


}


//menu/menu.xml

<?xml version="1.0" encoding="utf-8"?>

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

<item

android:id="@+id/add"

android:icon="@android:drawable/ic_menu_add"

android:showAsAction="ifRoom"

android:title="@string/add"

android:titleCondensed="@string/add">

</item>

<item

android:id="@+id/delete"

android:icon="@android:drawable/ic_menu_delete"

android:showAsAction="ifRoom"

android:title="@string/delete"

android:titleCondensed="@string/delete">

</item>

<item

android:id="@+id/save"

android:icon="@android:drawable/ic_menu_save"

android:showAsAction="ifRoom"

android:title="@string/save"

android:titleCondensed="@string/save">

</item>

<item

android:id="@+id/help"

android:icon="@android:drawable/ic_menu_help"

android:showAsAction="ifRoom"

android:title="@string/help"

android:titleCondensed="@string/help">

</item>

</menu>



//values/strings.xml

<?xml version="1.0" encoding="utf-8"?>

<resources>


<string name="app_name">SYcam</string>

<string name="save">保存</string>

<string name="edit">编辑</string>

<string name="add">增加</string>

<string name="delete">删除</string>

<string name="help">帮助</string>

</resources>

//截图如下