listview - Dart/Flutter: add property for list inside a class

Question

I have a class as below to be use as part of a widget: How to add 'quantity and condition' property for 'Toy no. 1/etc' ?

class Collection {
  final String category;
  List<String> toys = [];

  Collection(this.category, this.toys);
}

List<Collection> memories = [
  Collection(
    'Lego',
    ['Toy no. 1', 'Toy no. 2', 'Toy no. 5', 'Toy no. 8'],
  ),
  Collection(
    'Console Games',
    ['Toy no. 3', 'Toy no. 4', 'Toy no. 6'],
  ),
];

Thanks.

Answer 1

等待大神答复