load method

@override Future<DevicePreviewData?> load()

Load the last saved preferences (until ignore is true).

Implementation

@override
Future<DevicePreviewData?> load() async {
  final shared = await SharedPreferences.getInstance();
  final json = shared.getString(preferenceKey);
  if (json == null || json.isEmpty) return null;
  return DevicePreviewData.fromJson(jsonDecode(json));
}