How to use it :
import feathers.extensions.controls.DateChooser;
import starling.events.Event;
var dateChooser:DateChooser = new DateChooser();
dateChooser.selectedDate = new Date(2021, 2, 4);
dateChooser.goTo( dateChooser.selectedDate );
//dateChooser.language = "fr"; // by default flash.system.Capabilities.language is used
dateChooser.addEventListener( Event.CHANGE, changeHandler );
this.addChild( dateChooser );
private function changeHandler(event:Event):void
{
var dateChooser:DateChooser = event.target as DateChooser;
trace( dateChooser.selectedDate );
}