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 Player( url: element.getAttribute('url'), width: int.tryParse(element.getAttribute('width') ?? '0'), height: int.tryParse(element.getAttribute('height') ?? '0'), value: element.text, ); } }