app.js

var win = Ti.UI.createWindow({
	backgroundColor:'white',
	layout:'vertical'
});

win.add(Ti.UI.createLabel({
	top:10,
	text:'Hello World',
	color:'black',
	height:'auto',
	width:'auto',
	font: {
		fontSize:18
	}
}));

win.add(Ti.UI.createView({
	top:10,
	height:200,
	width:200,
	backgroundColor:'green'
}));

win.open();