import 'codable.dart'; class TraceLocation implements Codable { double? latitude; double? longitude; int? time; double? bearing; double? speed; TraceLocation( {this.latitude, this.longitude, this.time, this.bearing, this.speed}); @override Map toJson() { return { 'latitude': latitude, 'longitude': longitude, 'time': time, 'bearing': bearing, 'speed': speed, }; } factory TraceLocation.fromJson(Map map) { return TraceLocation( latitude: map['latitude'], longitude: map['longitude'], time: map['time'], bearing: map['bearing'], speed: map['speed'], ); } }