Adding Menu to Action Bar in Tab Group apps

app.js

// Hi, Here create a tabGroup and add a action bar menu named Action Menu.

var tabGroup = Titanium.UI.createTabGroup();

var win1 = Ti.UI.createWindow({
	backgroundColor : '#000'
});

var win2 = Ti.UI.createWindow({
	backgroundColor : '#000'
});

var tab1 = Titanium.UI.createTab({
	icon : 'KS_nav_views.png',
	title : 'Student',
	window : win1,
});
win1.containingTab = tab1;
tabGroup.addTab(tab1);

var tab2 = Titanium.UI.createTab({
	icon : 'KS_nav_views.png',
	title : 'Teacher',
	window : win2,
});

win2.containingTab = tab2;
tabGroup.addTab(tab2);

if (Ti.Platform.name === "android") {
	tabGroup.addEventListener("open", function(e) {
		var activity = tabGroup.getActivity();
		activity.onCreateOptionsMenu = function(e) {
			var menuItem = e.menu.add({
				title : "Action Menu",
				showAsAction : Ti.Android.SHOW_AS_ACTION_ALWAYS,
				icon : "icon.png"
			});
			menuItem.addEventListener("click", function(e) {
				alert('Hi I Am Menu of Action Bar');

			});
		}, activity.invalidateOptionsMenu();
	});
}

tabGroup.open();