package com.example.androidthismenus;
import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
public class MainActivity extends Activity {
@Override protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
//用于创建选项菜单的事件方法,在打开界面是会被自动调用 @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);
//参数1(组id)参数2(当前选项的id的id)参数3(项目排序的编号)参数4(项目的标题) menu.add(0, 100, 1, "设置游戏");
menu.add(0, 200, 2, "开始游戏");
menu.add(0, 300, 3, "退出游戏");
menu.add(0, 400, 4, "开始游戏");
return true;
}
//当选项菜单被点击时调用的事件方法 @Override public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}

<?xml version="1.0" encoding="utf-8"?><menu xmlns:android="http://schemas.android.com/apk/res/android" > <item android:id="@+id/menu_new" android:icon="@android:drawable/ic_menu_help" android:title="新建"/> <item android:id="@+id/menu_delete" android:icon="@android:drawable/ic_menu_delete" android:title="删除"/> <item android:title="子菜单"> <menu > <item android:id="@+id/menu_sub1" android:title="子菜单1"/> <item android:id="@+id/menu_sub2" android:title="子菜单2"/> </menu> </item></menu>

// 通过配置文件来在Activyt当中填充menu菜单MenuInflater mInflater = getMenuInflater();
mInflater.inflate(R.menu.menu, menu);