PowenKo, Android Tutorial 019-0-0, Dialog, create options Menu

sample code:

Tutorial_Dialog_CustomActivity
res\menu\mymenu.xml

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:id="@+id/icon"
        android:icon="@drawable/icon" />
    <item android:id="@+id/text"
        android:title="Text" />
    <item android:id="@+id/icontext"
        android:title="Icon and text"
        android:icon="@drawable/icon" />
</menu>

package com.powenko;

import android.app.Activity;
import android.app.Dialog;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.widget.Toast;

public class Tutorial_Dialog_OptionsMenuActivity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
    }
    private int define__Menu=0;
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.mymenu, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case R.id.icon:     Toast.makeText(this, "You pressed the icon!", Toast.LENGTH_LONG).show();
                                break;
            case R.id.text:     Toast.makeText(this, "You pressed the text!", Toast.LENGTH_LONG).show();
                                break;
            case R.id.icontext: Toast.makeText(this, "You pressed the icon and text!", Toast.LENGTH_LONG).show();
                                break;
        }
        return true;
    }

}