fromJson method

@override CrossFadeState? fromJson(String? json)

Implementation

@override
CrossFadeState? fromJson(String? json) {
  if (json == null) return null;

  switch (json) {
    case 'showFirst':
      return CrossFadeState.showFirst;

    case 'showSecond':
      return CrossFadeState.showSecond;
  }

  throw 'Unsuported_Json_Value';
}