Button constructor Null safety

Button(
  1. {int? id,
  2. required String? appname,
  3. required String? packagename,
  4. required String? url,
  5. required Uint8List? icon}
)

Implementation

Button({
  this.id,
  required this.appname,
  required this.packagename,
  required this.url,
  required this.icon,
});