toJson method Null safety

  1. @override
Map<String, dynamic> toJson()
override

Implementation

@override
Map<String, dynamic> toJson() {
  return {
    "maxH": maxH,
    "maxW": maxW,
    "minH": minH,
    "minW": minW,
    "h": h,
    "w": w,
  };
}