Android 修改Menu背景

1. public void setMenuBackground(Context context, Menu menu) {  
2.         ((Activity) context).getLayoutInflater().setFactory(new Factory() {  
3.             @Override  
4.             public View onCreateView(String name, Context context,  
5.                     AttributeSet attrs) {  
6.                 if (name.equalsIgnoreCase("com.android.internal.view.menu.IconMenuItemView")) {  
7.                     try {  
8.                         LayoutInflater f = ((Activity) context)  
9.                                 .getLayoutInflater();  
10.                         final View view = f.createView(name, null, attrs);// 尝试创建我们自己布局  
11.                         new Handler().post(new Runnable() {  
12.                             public void run() {  
13.                                 view.setBackgroundResource(R.drawable.menu_bg);// 设置背景为我们自定义的图片，替换cwj_bg文件即可  
14.                             }  
15.                         });  
16.                         return view;  
17.                     } catch (Exception e) {  
18.                     }  
19.                 }  
20.                 return null;  
21.             }  
22.         });  
23.     }