anchor.diff:                    },
                   ),
                   Padding(
  -                  padding: const EdgeInsets.symmetric(horizontal: 8.0),
  +                  padding: const EdgeInsets.symmetric(horizontal: 8),
                     child: Column(
                       crossAxisAlignment: CrossAxisAlignment.start,
                       children: <Widget>[
  
positive.code: import 'package:validators/validators.dart';
  
  import '../../../../core/error/failure.dart';
  import '../../../../core/widgets/failure_alert_dialog.dart';
  import '../bloc/register_device_bloc.dart';
  import '../bloc/settings_bloc.dart';
  
negative.code:                                           backgroundColor:
                                                Theme.of(context).errorColor,
                                            content: const Text(
                                              'Error scanning QR code',
                                            ),
                                          ),
                                        );
                                      }
                                    }
                                  },
                                  child: const Text('Scan QR Code'),
                                  style: ElevatedButton.styleFrom(
                                    primary: Theme.of(context).accentColor,
                                  ),
  