Android Lab: Option Menu - Add Option Menu

gistfile1.java

package com.example.androidlab;

import android.os.Bundle;
import android.app.Activity;
import android.app.Dialog;
import android.content.Context;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends Activity {
	final Context context = this;

	@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.
		MenuInflater inflater = getMenuInflater();
		inflater.inflate(R.menu.option_menu, menu);
		return true;
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		// TODO Auto-generated method stub
		switch (item.getItemId()) {
		case R.id.menuAbout:
			Toast.makeText(this, "This is Option Menu!", Toast.LENGTH_LONG).show();
			return true;
		default:
			return super.onOptionsItemSelected(item);
		}
	}
}