SumMenuDemo(子菜单)

public class MainActivity extends ActionBarActivity {

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		
		setContentView(R.layout.activity_main);
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		//getMenuInflater().inflate(R.menu.main, menu);
		getMenuInflater().inflate(R.menu.main, menu);
//		SubMenu file = menu.addSubMenu("文件");
//		SubMenu edit = menu.addSubMenu("编辑");
//		file.add(1, 1, 1, "新建");
//		file.add(1, 2, 1, "打开");
//		file.add(1, 3, 1, "保存");
//		file.setHeaderTitle("文件操作");//子菜单标题
//		file.setHeaderIcon(R.drawable.ic_launcher);//子菜单图标
//		edit.add(2, 1, 1, "复制");
//		edit.add(2, 2, 1, "粘贴");
//		edit.add(2, 3, 1, "剪切");
//		edit.setHeaderTitle("编辑操作");
//		edit.setHeaderIcon(R.drawable.ic_launcher);
		return true;
	}
	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		// TODO Auto-generated method stub
//		if(item.getGroupId()==1)
//		{
//			switch(item.getItemId())
//			{case 1:
//				Toast.makeText(this, "点击了新建",Toast.LENGTH_SHORT).show();
//				break;
//			case 2:
//				Toast.makeText(this, "点击了打开",Toast.LENGTH_SHORT).show();
//				break;
//			case 3:
//				Toast.makeText(this, "点击了保存",Toast.LENGTH_SHORT).show();
//				break;}
//		}else if(item.getGroupId()==2)
//		{
//			switch(item.getItemId())
//			{case 1:
//				Toast.makeText(this, "点击了复制",Toast.LENGTH_SHORT).show();
//				break;
//			case 2:
//				Toast.makeText(this, "点击了粘贴",Toast.LENGTH_SHORT).show();
//				break;
//			case 3:
//				Toast.makeText(this, "点击了剪切",Toast.LENGTH_SHORT).show();
//				break;}
//		}
		switch(item.getItemId())
		{
		case R.id.new_file:
			Toast.makeText(this, "点击了新建",Toast.LENGTH_SHORT).show();
			break;
		case R.id.open_file:
			Toast.makeText(this, "点击了打开",Toast.LENGTH_SHORT).show();
			break;
		case R.id.save_file:
			Toast.makeText(this, "点击了保存",Toast.LENGTH_SHORT).show();
			break;
		case R.id.c_edit:
			Toast.makeText(this, "点击了复制",Toast.LENGTH_SHORT).show();
			break;
		case R.id.v_edit:
			Toast.makeText(this, "点击了粘贴",Toast.LENGTH_SHORT).show();
			break;
		case R.id.x_edit:
			Toast.makeText(this, "点击了剪切",Toast.LENGTH_SHORT).show();
			break;

		}
		return super.onOptionsItemSelected(item);
	}
Menu文件夹中的main.xml文件

<pre name="code" class="html"><menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    tools:context="com.example.xin.zhicaidan.MainActivity" 
    >

    <item
        android:showAsAction="never"
        android:title="文件">
        <menu>
            <item
                android:id="@+id/new_file"
                android:showAsAction="never"
                android:title="新建"/>
            <item
                android:id="@+id/open_file"
                android:showAsAction="never"
                android:title="打开"/>
            <item
                android:id="@+id/save_file"
                android:showAsAction="never"
                android:title="保存"/>
        </menu>
    </item>
	 <item
        android:showAsAction="never"
        android:title="编辑">
        <menu>
            <item
                android:id="@+id/c_edit"
                android:showAsAction="never"
                android:title="复制"/>
            <item
                android:id="@+id/v_edit"
                android:showAsAction="never"
                android:title="粘贴"/>
            <item
                android:id="@+id/x_edit"
                android:showAsAction="never"
                android:title="剪切"/>
        </menu>
    </item>

</menu>