在res下新建menu/ editmenu.xml
<?xml version="1.0" encoding="utf-8"?>
<menu
xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:id="@+id/item04"
android:title="撤销"/>
<item
android:id="@+id/item05"
android:title="恢复"/>
</menu>
在res下新建menu/ filemenu.xml
<?xml version="1.0" encoding="utf-8"?>
<menu
xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:id="@+id/item01"
android:title="新建" />
<item
android:id="@+id/item02"
android:title="打开" />
<item
android:id="@+id/item03"
android:title="保存" />
</menu>
在MyMenuDemo.java程序中
package com.li.menu;
import android.app.Activity;
import android.os.Bundle;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.Menu;
import android.view.MenuItem;
import android.view.SubMenu;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;
public class MyMenuDemo extends Activity {
private String data[] = new String[]{
"河池学院","http://blog.sina.com.cn/u/2853310902",
"数学系：李叶文","中国高校","helloliyewen@163.com"}; //定义ListView的显示项
private ListView listView = null;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.listView = new ListView(this);
this.listView.setAdapter(new ArrayAdapter<String>(this,
android.R.layout.simple_expandable_list_item_1,
this.data));
super.setContentView(this.listView);
super.registerForContextMenu(this.listView);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
SubMenu fileMenu = menu.addSubMenu("文件");
SubMenu edMenu = menu.addSubMenu("编辑");
super.getMenuInflater().inflate(R.menu.filemenu,fileMenu);
super.getMenuInflater().inflate(R.menu.editmenu, edMenu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch(item.getItemId()){ //判断操作的菜单ID
case Menu.FIRST + 1:
Toast.makeText(this,"您选择的是“新建”项",Toast.LENGTH_LONG).show();
break;
case Menu.FIRST + 2:
Toast.makeText(this,"您选择的是“打开”项",Toast.LENGTH_LONG).show();
break;
case Menu.FIRST + 3:
Toast.makeText(this,"您选择的是“保存”项",Toast.LENGTH_LONG).show();
break;
}
return false;
}
}