import 'package:xml/xml.dart'; class Player { final String url; final int width; final int height; final String value; Player({ this.url, this.width, this.height, this.value, }); factory Player.parse(XmlElement element) { if (element == null) { return null; } return new Player( url: element.getAttribute("url"), width: int.tryParse(element.getAttribute("width") ?? "0"), height: int.tryParse(element.getAttribute("height") ?? "0"), value: element.text, ); } }