Menu菜单的代码和xml的创建

demo

res/menu/menu.xml

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <menu xmlns:android="http://schemas.android.com/apk/res/android" >
 3 
 4     <item
 5         android:id="@+id/menu_new"
 6         android:icon="@android:drawable/ic_menu_help"
 7         android:title="新建"/>
 8     <item
 9         android:id="@+id/menu_delete"
10         android:icon="@android:drawable/ic_menu_delete"
11         android:title="删除"/>
12     <item android:title="子菜单">
13         <menu >
14             <item android:id="@+id/menu_sub1"
15                 android:title="子菜单1"/>
16             <item android:id="@+id/menu_sub2"
17                 android:title="子菜单2"/>
18         </menu>
19     </item>
20 
21 </menu>

MainActivity

 1 package com.android.hzy.menu;
 2 
 3 import android.app.Activity;
 4 import android.os.Bundle;
 5 import android.view.Menu;
 6 import android.view.MenuInflater;
 7 import android.view.MenuItem;
 8 import android.widget.Toast;
 9 
10 public class MainActivity extends Activity {
11 
12     private static final int MENU_NEW_ID = 0;
13     private static final int MENU_DELETE_ID = 1;
14     private static final int MENU_SUB1_ID = 2;
15     private static final int MENU_SUB2_ID = 3;
16 
17     @Override
18     protected void onCreate(Bundle savedInstanceState) {
19         super.onCreate(savedInstanceState);
20         setContentView(R.layout.activity_main);
21     }
22 
23     // 创建菜单
24     @Override
25     public boolean onCreateOptionsMenu(Menu menu) {
26 //        menu.add(0, MENU_NEW_ID, 0, "新建");
27 //        menu.add(0, MENU_DELETE_ID, 0, "删除");
28 //        // 创建的子菜单
29 //        SubMenu subMenu = menu.addSubMenu("子菜单");
30 //        subMenu.add(1, MENU_SUB1_ID, 0, "子菜单1");
31 //        subMenu.add(2, MENU_SUB2_ID, 0, "子菜单2");
32         
33         // 通过配置文件来创建menu菜单
34         MenuInflater mInflater = getMenuInflater();
35         mInflater.inflate(R.menu.menu, menu);
36         return super.onCreateOptionsMenu(menu);
37     }
38     
39     @Override
40     public boolean onOptionsItemSelected(MenuItem item) {
41         // TODO Auto-generated method stub
42         int id = item.getItemId();
43         switch (id) {
44         case MENU_NEW_ID:
45             Toast.makeText(this, "您选择了 ：" + item.getTitle(), 0).show();
46             break;
47         case MENU_DELETE_ID:
48             Toast.makeText(this, "您选择了 ：" + item.getTitle(), 0).show();
49             break;
50         case MENU_SUB1_ID:
51             Toast.makeText(this, "您选择了 ：" + item.getTitle(), 0).show();
52             break;
53         case MENU_SUB2_ID:
54             Toast.makeText(this, "您选择了 ：" + item.getTitle(), 0).show();
55             break;
56 
57         default:
58             Toast.makeText(this, "您选择了 ：" + item.getTitle(), 0).show();
59             break;
60         }
61         return super.onOptionsItemSelected(item);
62     }
63 
64 }

示例图：

posted @ 2013-02-10 17:13  My_苦行僧  阅读(2325)  评论(0)  编辑  收藏  举报