create_keys

create_keys.dart

// list of fruits
var fruits = [
    'Apple',
    'Banana',
    'Cherry',
    'Grape',
    'Kiwi',
    'Mango',
    'Orange',
    'Pear',
    'Strawberry',
    'Watermelon',
    'Elderberry',
    'Eggfruit',
    'Evergreen',
    'Huckleberry',
    'Entawak',
    'Grapefruit',
    'Grapes',
    'Gooseberries',
    'Guava',
    'Honeydew',
    'Kumquat',
    'Lemon',
    'Lime',
    'Lychee',
    'Mandarina',
    'Mango',
  ];
  
  // create list of global keys
  List<GlobalKey> _fruitKeys = [];
  
  @override
  void initState() {
    // add key for each fruit to _fruitKeys
    _fruitKeys = fruits.map((e) => GlobalKey()).toList();
    super.initState();
  }