Titanium Cross-platform Navigation Group for Titanium Classic. This is a follow up to https://github.com/ricardoalcocer/TiCrossPlatformNavigationGroup

app.js

var lib=require('/lib/xpngclassic');

// win1
var win1 = Titanium.UI.createWindow({
  backgroundColor: '#fff',
	navBarHidden:false
});
var button = Titanium.UI.createButton({
    title: 'Open Blue Window'
});

// win2
var win2 = Titanium.UI.createWindow({
    backgroundColor: 'red',
    title: 'Red Window',
	navBarHidden:false
});
button.addEventListener('click', function(){
    lib.openWin(nav,win3);
});
win2.add(button);

// win3
var win3 = Titanium.UI.createWindow({
    backgroundColor: 'blue',
    title: 'Blue Window',
	navBarHidden:false
});

//
if (Ti.Platform.osname!=='android'){
	var nav = Titanium.UI.iPhone.createNavigationGroup({
	   window: win2
	});
	win1.add(nav);
	win1.open();	
}else{
	win2.open();
}

xpng.js

exports.openWin=function(navGroup,winName){
	// this will make the this libary work on both Classic and Alloy
	if (typeof Alloy === 'undefined'){
		var w=winName; // transfer the value to a new variable so the rest of the code remains the same	
	}else{
		var w=Alloy.createController(winName).getView();
	}
	
	if (Ti.Platform.osname==='android'){
		w.addEventListener('open',function(e){
			if (! w.getActivity()) {
	            Ti.API.error("Can't access action bar on a lightweight window.");
	        } else {
	            actionBar = w.activity.actionBar;
	            if (actionBar) {
	                actionBar.displayHomeAsUp=true;
	                actionBar.onHomeIconItemSelected = function() {
	                    w.close();
	                };
	            }
	            w.activity.invalidateOptionsMenu();
	        }
		})
		w.open();
	}else{
		navGroup.open(w,{animated:true});
	}
}