Open Show Hide Window

app.js

var mainWin = Ti.UI.createWindow({
	backgroundColor: 'blue'
});
var win;

var showButton = Ti.UI.createButton({
	title: 'show',
	height: 60,
	width: 200,
	top: 80
});
showButton.addEventListener('click', function(e){
	win.show();
});

var openButton = Ti.UI.createButton({
	title: 'open',
	height: 60,
	width: 200,
	top: 10
});
openButton.addEventListener('click', function(e){
	var hideButton = Ti.UI.createButton({
		title: 'hide',
		height: 60,
		width: 200,
		top: 80
	});
	hideButton.addEventListener('click', function(e){
		win.hide();
	});
	
	win = Ti.UI.createWindow({
		backgroundColor: 'red'
	});
	win.add(hideButton);
	win.open();
});

mainWin.add(showButton);
mainWin.add(openButton);
mainWin.open();