[TIMOB-12333] iOS: customized Ti.Map.Annotation not working

var win1 = Titanium.UI.createWindow({
    backgroundColor:'#fff'
});

var myAnnotations = [];

var mapview = Titanium.Map.createView({
    mapType: Titanium.Map.STANDARD_TYPE,
    region: {latitude:45,longitude:11,latitudeDelta:0.010, longitudeDelta:0.018}
});
win1.add(mapview);

var customView = Ti.UI.createView({
	layout:'vertical',
	height:Ti.UI.SIZE,
	width:Ti.UI.SIZE
});

var storeText = Ti.UI.createLabel({
	width:Ti.UI.SIZE,
	left:5,
	top:2,
	text:"Current location",
	color: '#FFF',
	height:Ti.UI.SIZE,
	font:{fontSize:16,fontWeight: 'bold',fontFamily:'Helvetica Neue'}
});
customView.add(storeText);

var address = Ti.UI.createLabel({
	width:Ti.UI.SIZE,
	left:5,
	top:2,
	text:"Chennai",
	color: '#FFF',
	height:Ti.UI.SIZE
});
customView.add(address);

var phoneNumber = Ti.UI.createLabel({
	width:Ti.UI.SIZE,
	left:5,
	top:0,
	text:'+91999999999',
	color: '#FFF',
	height:Ti.UI.SIZE
});
customView.add(phoneNumber);

var cLocation = Titanium.Map.createAnnotation({
    latitude:45,
    longitude:11,
    leftView: customView,
    //title: ' '
});
myAnnotations.push(cLocation);

mapview.annotations = myAnnotations;

win1.open();