1 <menu xmlns:android="http://schemas.android.com/apk/res/android" >
 2
 3     <item
 4         android:id="@+id/menu_settings"
 5         android:orderInCategory="1"
 6         android:icon="@drawable/home"
 7         android:title="@string/menu_settings"/>
 8     <item
 9         android:id="@+id/menu_about"
10         android:orderInCategory="2"
11         android:icon="@drawable/mine"
12         android:title="@string/menu_about"/>
13     <item
14         android:id="@+id/menu_quit"
15         android:orderInCategory="3"
16         android:icon="@drawable/more"
17         android:title="@string/menu_quit"/>
18
19 </menu>

 1 package com.example.menutest;
 2
 3 import android.os.Bundle;
 4 import android.app.Activity;
 5 import android.view.Menu;
 6 import android.view.MenuItem;
 7 import android.widget.Toast;
 8
 9 public class MainActivity extends Activity {
10
11     @Override
12     protected void onCreate(Bundle savedInstanceState) {
13         super.onCreate(savedInstanceState);
14         setContentView(R.layout.activity_main);
15     }
16
17     @Override
18     public boolean onCreateOptionsMenu(Menu menu) {
19         // Inflate the menu; this adds items to the action bar if it is present.
20         getMenuInflater().inflate(R.menu.activity_main, menu);
21         return true;
22     }
23
24     @Override
25     public boolean onOptionsItemSelected(MenuItem item) {
26         // TODO Auto-generated method stub
27         switch(item.getItemId()){
28            case R.id.menu_about:
29                Toast.makeText(MainActivity.this, ""+"关于", Toast.LENGTH_SHORT).show();
30                break;
31            case R.id.menu_settings:
32
33                Toast.makeText(MainActivity.this, ""+"设置", Toast.LENGTH_SHORT).show();
34                break;
35            case R.id.menu_quit:
36
37                Toast.makeText(MainActivity.this, ""+"退出", Toast.LENGTH_SHORT).show();
38                break;
39            default:
40                break;
41            }
42 //           Toast.makeText(MainActivity.this, ""+item.getItemId(), Toast.LENGTH_SHORT).show();
43
44         return super.onOptionsItemSelected(item);
45     }
46
47 }