app.js

var win = Titanium.UI.createWindow({
	backgroundColor: 'blue'
});
var btn = Ti.UI.createButton({
	title : 'Add Notification'
});

btn.addEventListener('click', function(e) {

        var activityName = Ti.App.name;
        activityName= activityName.toUpperCase().substr(0,1) + activityName.toLowerCase().substr(1) + 'Activity';
        var className= Ti.App.id + '.' + activityName;

	var activity = Ti.Android.currentActivity;
	var intent = Ti.Android.createIntent({
		action: Ti.Android.ACTION_MAIN,
		// className and packageName can be found by looking in the build folder
		// for example, mine looked like this
		// build/android/gen/com/appcelerator/test/Test7Activity.java
		className : className,
		packageName : Ti.App.id,
		flags : Ti.Android.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED | Ti.Android.FLAG_ACTIVITY_SINGLE_TOP 
	});
	intent.addCategory(Titanium.Android.CATEGORY_LAUNCHER);

	var pending = Ti.Android.createPendingIntent({
		activity : activity,
		intent : intent,
		type : Ti.Android.PENDING_INTENT_FOR_ACTIVITY,
		flags : Ti.Android.FLAG_ACTIVITY_NO_HISTORY
	});

	var ts = new Date().getTime()+5000000;

	var notification = Ti.Android.createNotification({
		contentIntent : pending,
		contentTitle : 'Test',
		contentText : 'test',
		tickerText : 'This is a test',
		// when will only put the timestamp on the notification and nothing else. 
		// Setting it does not show the notification in the future
		when : ts,
		icon : Ti.App.Android.R.drawable.appicon,
		flags : Titanium.Android.ACTION_DEFAULT | Titanium.Android.FLAG_AUTO_CANCEL | Titanium.Android.FLAG_SHOW_LIGHTS
	});

	Ti.Android.NotificationManager.notify(1, notification);
});
win.add(btn);
win.open();