<?xml version="1.0" encoding="utf-8"?> <menu xmlns:android="http://schemas.android.com/apk/res/android" > <item android:id="@+id/add_item" android:title="add" /> <item android:id="@+id/removee_item" android:title="remove" /> </menu>
//复写 @Override public boolean onCreateOptionsMenu(Menu menu) { //给当前Activity,添加菜单 //R.menu.main,添加哪个资源文件 //menu,菜单项,添加到哪个Menu对象 getMenuInflater().inflate(R.menu.main, menu); return true;//让创建的菜单显示,false,则不显示 } //复写,菜单响应事件 @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.add_item: Toast.makeText(FirstActivity.this, "This is add menu", Toast.LENGTH_LONG).show(); break; case R.id.removee_item: Toast.makeText(FirstActivity.this, "This is remove menu", Toast.LENGTH_LONG).show(); default: break; } return true; }