FokkeZB

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

win.addEventListener('click', function foo(e) { // note the named function expression needed for the second way
	
	// oringal idea by @fukhaos
	// http://www.tidev.io/2014/09/10/the-case-against-ti-app-fireevent-2/#comment-13013
	e.source.removeEventListener(e.type, arguments.callee);