[TIMOB-5268] iOS: Redraw is shown when a view with a vertical layout is hidden/shown

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

var v = Ti.UI.createView({
	height:300,
	width:200,
	layout:'vertical'
});

var v1 = Ti.UI.createView({
	height:10,
	width:100,
	backgroundColor:'red',
	top:10
});
var v2 = Ti.UI.createView({
	height:10,
	width:100,
	backgroundColor:'green',
	top:10
});
var v3 = Ti.UI.createView({
	height:10,
	width:100,
	backgroundColor:'blue',
	top:10
});
v.add(v1);
v.add(v2);
v.add(v3);
w.add(v);

var hidden = false;
var btn = Ti.UI.createButton({
	title:'toggle',
	height:44,
	width:150,
	bottom:5
});
btn.addEventListener('click', function() {
	if(hidden) {
		v.show();
	}
	else {
		v.hide();
	}
	hidden = !hidden;
});

w.add(btn);

w.open();