Linting

analysis_options.yaml

@@ -22,7 +22,7 @@ linter:
   # `// ignore_for_file: name_of_lint` syntax on the line or in the file
   # producing the lint.
   rules:
-    # avoid_print: false  # Uncomment to disable the `avoid_print` rule
+    avoid_print: false  # Uncomment to disable the `avoid_print` rule
     prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
 
 # Additional information about this file can be found at

lib/config/bloc_observer.dart

@@ -8,7 +8,7 @@ class SimpleBlocObserver extends BlocObserver {
   SimpleBlocObserver();
 
   @override
-  void onError(BlocBase cubit, Object error, StackTrace stackTrace) {
+  void onError(BlocBase bloc, Object error, StackTrace stackTrace) {
     final navigator = getIt.get<NavigationService>().navigator!;
 
     navigator.push(
@@ -19,6 +19,6 @@ class SimpleBlocObserver extends BlocObserver {
         ),
       ),
     );
-    super.onError(cubit, error, stackTrace);
+    super.onError(bloc, error, stackTrace);
   }
 }

lib/config/brand_colors.dart

@@ -10,7 +10,7 @@ class BrandColors {
   static const Color gray3 = Color(0xFFFAFAFA);
   static const Color gray4 = Color(0xFFDDDDDD);
   static const Color gray5 = Color(0xFFEDEEF1);
-  static Color gray6 = Color(0xFF181818).withOpacity(0.7);
+  static Color gray6 = const Color(0xFF181818).withOpacity(0.7);
   static const Color grey7 = Color(0xFFABABAB);
 
   static const Color red1 = Color(0xFFFA0E0E);

lib/config/brand_theme.dart

@@ -9,7 +9,7 @@ final lightTheme = ThemeData(
   fontFamily: 'Inter',
   brightness: Brightness.light,
   scaffoldBackgroundColor: BrandColors.scaffoldBackground,
-  inputDecorationTheme: InputDecorationTheme(
+  inputDecorationTheme: const InputDecorationTheme(
     border: InputBorder.none,
     contentPadding: EdgeInsets.all(16),
     enabledBorder: OutlineInputBorder(
@@ -39,7 +39,7 @@ final lightTheme = ThemeData(
       color: BrandColors.red1,
     ),
   ),
-  listTileTheme: ListTileThemeData(
+  listTileTheme: const ListTileThemeData(
     minLeadingWidth: 24.0,
   ),
   textTheme: TextTheme(
@@ -48,25 +48,25 @@ final lightTheme = ThemeData(
     headline3: headline3Style,
     headline4: headline4Style,
     bodyText1: body1Style,
-    subtitle1: TextStyle(fontSize: 15, height: 1.6), // text input style
+    subtitle1: const TextStyle(fontSize: 15, height: 1.6), // text input style
   ),
 );
 
 var darkTheme = lightTheme.copyWith(
   brightness: Brightness.dark,
-  scaffoldBackgroundColor: Color(0xFF202120),
+  scaffoldBackgroundColor: const Color(0xFF202120),
-  iconTheme: IconThemeData(color: BrandColors.gray3),
+  iconTheme: const IconThemeData(color: BrandColors.gray3),
   cardColor: BrandColors.gray1,
-  dialogBackgroundColor: Color(0xFF202120),
+  dialogBackgroundColor: const Color(0xFF202120),
   textTheme: TextTheme(
     headline1: headline1Style.copyWith(color: BrandColors.white),
     headline2: headline2Style.copyWith(color: BrandColors.white),
     headline3: headline3Style.copyWith(color: BrandColors.white),
     headline4: headline4Style.copyWith(color: BrandColors.white),
     bodyText1: body1Style.copyWith(color: BrandColors.white),
-    subtitle1: TextStyle(fontSize: 15, height: 1.6), // text input style
+    subtitle1: const TextStyle(fontSize: 15, height: 1.6), // text input style
   ),
-  inputDecorationTheme: InputDecorationTheme(
+  inputDecorationTheme: const InputDecorationTheme(
     labelStyle: TextStyle(color: BrandColors.white),
     hintStyle: TextStyle(color: BrandColors.white),
     border: OutlineInputBorder(
@@ -82,6 +82,6 @@ var darkTheme = lightTheme.copyWith(
   ),
 );
 
-final paddingH15V30 = EdgeInsets.symmetric(horizontal: 15, vertical: 30);
+const paddingH15V30 = EdgeInsets.symmetric(horizontal: 15, vertical: 30);
 
-final paddingH15V0 = EdgeInsets.symmetric(horizontal: 15);
+const paddingH15V0 = EdgeInsets.symmetric(horizontal: 15);

lib/config/hive_config.dart

@@ -41,7 +41,7 @@ class HiveConfig {
   }
 
   static Future<Uint8List> getEncryptedKey(String encKey) async {
-    final secureStorage = FlutterSecureStorage();
+    const secureStorage = FlutterSecureStorage();
     var hasEncryptionKey = await secureStorage.containsKey(key: encKey);
     if (!hasEncryptionKey) {
       var key = Hive.generateSecureKey();

lib/config/localization.dart

@@ -11,9 +11,9 @@ class Localization extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return EasyLocalization(
-      supportedLocales: [Locale('ru'), Locale('en')],
+      supportedLocales: const [Locale('ru'), Locale('en')],
       path: 'assets/translations',
-      fallbackLocale: Locale('en'),
+      fallbackLocale: const Locale('en'),
       saveLocale: false,
       useOnlyLangCode: true,
       child: child!,

lib/config/text_themes.dart

@@ -3,7 +3,7 @@ import 'package:selfprivacy/utils/named_font_weight.dart';
 
 import 'brand_colors.dart';
 
-final defaultTextStyle = TextStyle(
+const defaultTextStyle = TextStyle(
   fontSize: 15,
   color: BrandColors.textColor1,
 );
@@ -51,7 +51,7 @@ final headline5Style = defaultTextStyle.copyWith(
   color: BrandColors.headlineColor.withOpacity(0.8),
 );
 
-final body1Style = defaultTextStyle;
+const body1Style = defaultTextStyle;
 final body2Style = defaultTextStyle.copyWith(
   color: BrandColors.textColor2,
 );
@@ -69,7 +69,7 @@ final smallStyle = defaultTextStyle.copyWith(fontSize: 11, height: 1.45);
 
 final linkStyle = defaultTextStyle.copyWith(color: BrandColors.blue);
 
-final progressTextStyleLight = TextStyle(
+const progressTextStyleLight = TextStyle(
   fontSize: 11,
   color: BrandColors.textColor1,
   height: 1.7,

lib/logic/api_maps/api_map.dart

@@ -56,7 +56,7 @@ class ConsoleInterceptor extends InterceptorsWrapper {
   @override
   Future onRequest(
     RequestOptions options,
-    RequestInterceptorHandler requestInterceptorHandler,
+    RequestInterceptorHandler handler,
   ) async {
     addMessage(
       Message(
@@ -64,13 +64,13 @@ class ConsoleInterceptor extends InterceptorsWrapper {
             'request-uri: ${options.uri}\nheaders: ${options.headers}\ndata: ${options.data}',
       ),
     );
-    return super.onRequest(options, requestInterceptorHandler);
+    return super.onRequest(options, handler);
   }
 
   @override
   Future onResponse(
     Response response,
-    ResponseInterceptorHandler requestInterceptorHandler,
+    ResponseInterceptorHandler handler,
   ) async {
     addMessage(
       Message(
@@ -80,7 +80,7 @@ class ConsoleInterceptor extends InterceptorsWrapper {
     );
     return super.onResponse(
       response,
-      requestInterceptorHandler,
+      handler,
     );
   }
 

lib/logic/api_maps/backblaze.dart

@@ -23,6 +23,7 @@ class BackblazeApplicationKey {
 class BackblazeApi extends ApiMap {
   BackblazeApi({this.hasLogger = false, this.isWithToken = true});
 
+  @override
   BaseOptions get options {
     var options = BaseOptions(baseUrl: rootAddress);
     if (isWithToken) {
@@ -97,9 +98,9 @@ class BackblazeApi extends ApiMap {
         'bucketType': 'allPrivate',
         'lifecycleRules': [
           {
-            "daysFromHidingToDeleting": 30,
+            'daysFromHidingToDeleting': 30,
-            "daysFromUploadingToHiding": null,
+            'daysFromUploadingToHiding': null,
-            "fileNamePrefix": ""
+            'fileNamePrefix': ''
           }
         ],
       },

lib/logic/api_maps/cloudflare.dart

@@ -25,6 +25,7 @@ class CloudflareApi extends ApiMap {
     this.customToken,
   });
 
+  @override
   BaseOptions get options {
     var options = BaseOptions(baseUrl: rootAddress);
     if (isWithToken) {
@@ -164,7 +165,7 @@ class CloudflareApi extends ApiMap {
       await Future.wait(allCreateFutures);
     } on DioError catch (e) {
       print(e.message);
-      throw e;
+      rethrow;
     } finally {
       close(client);
     }

lib/logic/api_maps/hetzner.dart

@@ -10,11 +10,14 @@ import 'package:selfprivacy/logic/models/hive/user.dart';
 import 'package:selfprivacy/utils/password_generator.dart';
 
 class HetznerApi extends ApiMap {
+  @override
   bool hasLogger;
+  @override
   bool isWithToken;
 
   HetznerApi({this.hasLogger = false, this.isWithToken = true});
 
+  @override
   BaseOptions get options {
     var options = BaseOptions(baseUrl: rootAddress);
     if (isWithToken) {
@@ -60,12 +63,12 @@ class HetznerApi extends ApiMap {
     Response dbCreateResponse = await client.post(
       '/volumes',
       data: {
-        "size": 10,
+        'size': 10,
-        "name": StringGenerators.dbStorageName(),
+        'name': StringGenerators.dbStorageName(),
-        "labels": {"labelkey": "value"},
+        'labels': {'labelkey': 'value'},
-        "location": "fsn1",
+        'location': 'fsn1',
-        "automount": false,
+        'automount': false,
-        "format": "ext4"
+        'format': 'ext4'
       },
     );
     var dbId = dbCreateResponse.data['volume']['id'];
@@ -93,7 +96,7 @@ class HetznerApi extends ApiMap {
     final base64Password =
         base64.encode(utf8.encode(rootUser.password ?? 'PASS'));
 
-    print("hostname: $hostname");
+    print('hostname: $hostname');
 
     /// add ssh key when you need it: e.g. "ssh_keys":["kherel"]
     /// check the branch name, it could be "development" or "master".
@@ -103,18 +106,18 @@ class HetznerApi extends ApiMap {
     print(userdataString);
 
     final data = {
-      "name": hostname,
+      'name': hostname,
-      "server_type": "cx11",
+      'server_type': 'cx11',
-      "start_after_create": false,
+      'start_after_create': false,
-      "image": "ubuntu-20.04",
+      'image': 'ubuntu-20.04',
-      "volumes": [dbId],
+      'volumes': [dbId],
-      "networks": [],
+      'networks': [],
-      "user_data": userdataString,
+      'user_data': userdataString,
-      "labels": {},
+      'labels': {},
-      "automount": true,
+      'automount': true,
-      "location": "fsn1"
+      'location': 'fsn1'
     };
-    print("Decoded data: $data");
+    print('Decoded data: $data');
 
     Response serverCreateResponse = await client.post(
       '/servers',
@@ -129,7 +132,7 @@ class HetznerApi extends ApiMap {
       createTime: DateTime.now(),
       volume: dataBase,
       apiToken: apiToken,
-      provider: ServerProvider.Hetzner,
+      provider: ServerProvider.hetzner,
     );
   }
 
@@ -166,7 +169,7 @@ class HetznerApi extends ApiMap {
     for (var volumeId in volumes) {
       await client.post('/volumes/$volumeId/actions/detach');
     }
-    await Future.delayed(Duration(seconds: 10));
+    await Future.delayed(const Duration(seconds: 10));
 
     for (var volumeId in volumes) {
       laterFutures.add(client.delete('/volumes/$volumeId'));
@@ -203,9 +206,9 @@ class HetznerApi extends ApiMap {
     var client = await getClient();
 
     Map<String, dynamic> queryParameters = {
-      "start": start.toUtc().toIso8601String(),
+      'start': start.toUtc().toIso8601String(),
-      "end": end.toUtc().toIso8601String(),
+      'end': end.toUtc().toIso8601String(),
-      "type": type
+      'type': type
     };
     var res = await client.get(
       '/servers/${hetznerServer!.id}/metrics',
@@ -243,8 +246,8 @@ class HetznerApi extends ApiMap {
     await client.post(
       '/servers/${hetznerServer!.id}/actions/change_dns_ptr',
       data: {
-        "ip": ip4,
+        'ip': ip4,
-        "dns_ptr": domainName,
+        'dns_ptr': domainName,
       },
     );
     close(client);

lib/logic/api_maps/server.dart

@@ -44,6 +44,7 @@ class ServerApi extends ApiMap {
       this.overrideDomain,
       this.customToken});
 
+  @override
   BaseOptions get options {
     var options = BaseOptions();
 
@@ -73,7 +74,7 @@ class ServerApi extends ApiMap {
     Response response;
 
     var client = await getClient();
-    String? apiVersion = null;
+    String? apiVersion;
 
     try {
       response = await client.get('/api/version');
@@ -82,8 +83,8 @@ class ServerApi extends ApiMap {
       print(e.message);
     } finally {
       close(client);
-      return apiVersion;
     }
+    return apiVersion;
   }
 
   Future<bool> isHttpServerWorking() async {
@@ -98,8 +99,8 @@ class ServerApi extends ApiMap {
       print(e.message);
     } finally {
       close(client);
-      return res;
     }
+    return res;
   }
 
   Future<ApiResponse<User>> createUser(User user) async {
@@ -227,7 +228,7 @@ class ServerApi extends ApiMap {
     try {
       response = await client.put(
         '/services/ssh/key/send',
-        data: {"public_key": ssh},
+        data: {'public_key': ssh},
       );
     } on DioError catch (e) {
       print(e.message);
@@ -293,7 +294,7 @@ class ServerApi extends ApiMap {
     try {
       response = await client.delete(
         '/services/ssh/keys/${user.login}',
-        data: {"public_key": sshKey},
+        data: {'public_key': sshKey},
       );
     } on DioError catch (e) {
       print(e.message);
@@ -331,10 +332,11 @@ class ServerApi extends ApiMap {
       res = false;
     } finally {
       close(client);
-      return res;
     }
+    return res;
   }
 
+  @override
   String get rootAddress =>
       throw UnimplementedError('not used in with implementation');
 
@@ -351,8 +353,8 @@ class ServerApi extends ApiMap {
       res = false;
     } finally {
       close(client);
-      return res;
     }
+    return res;
   }
 
   Future<void> switchService(ServiceTypes type, bool needToTurnOn) async {
@@ -433,8 +435,8 @@ class ServerApi extends ApiMap {
       print(e);
     } finally {
       close(client);
-      return backups;
     }
+    return backups;
   }
 
   Future<BackupStatus> getBackupStatus() async {
@@ -453,8 +455,8 @@ class ServerApi extends ApiMap {
       print(e.message);
     } finally {
       close(client);
-      return status;
     }
+    return status;
   }
 
   Future<void> forceBackupListReload() async {
@@ -496,8 +498,8 @@ class ServerApi extends ApiMap {
       print(e.message);
     } finally {
       close(client);
-      return result;
     }
+    return result;
   }
 
   Future<bool> reboot() async {
@@ -514,8 +516,8 @@ class ServerApi extends ApiMap {
       print(e.message);
     } finally {
       close(client);
-      return result;
     }
+    return result;
   }
 
   Future<bool> upgrade() async {
@@ -532,13 +534,13 @@ class ServerApi extends ApiMap {
       print(e.message);
     } finally {
       close(client);
-      return result;
     }
+    return result;
   }
 
   Future<AutoUpgradeSettings> getAutoUpgradeSettings() async {
     Response response;
-    AutoUpgradeSettings settings = AutoUpgradeSettings(
+    AutoUpgradeSettings settings = const AutoUpgradeSettings(
       enable: false,
       allowReboot: false,
     );
@@ -553,8 +555,8 @@ class ServerApi extends ApiMap {
       print(e.message);
     } finally {
       close(client);
-      return settings;
     }
+    return settings;
   }
 
   Future<void> updateAutoUpgradeSettings(AutoUpgradeSettings settings) async {
@@ -616,7 +618,7 @@ class ServerApi extends ApiMap {
     }
 
     if (response.statusCode != HttpStatus.ok) {
-      return "";
+      return '';
     }
 
     final base64toString = utf8.fuse(base64);
@@ -639,7 +641,7 @@ class ServerApi extends ApiMap {
       return ApiResponse(
           errorMessage: e.message,
           statusCode: e.response?.statusCode ?? HttpStatus.internalServerError,
-          data: RecoveryKeyStatus(exists: false, valid: false));
+          data: const RecoveryKeyStatus(exists: false, valid: false));
     } finally {
       close(client);
     }
@@ -677,7 +679,7 @@ class ServerApi extends ApiMap {
       return ApiResponse(
           errorMessage: e.message,
           statusCode: e.response?.statusCode ?? HttpStatus.internalServerError,
-          data: "");
+          data: '');
     } finally {
       close(client);
     }
@@ -686,7 +688,7 @@ class ServerApi extends ApiMap {
 
     return ApiResponse(
         statusCode: code,
-        data: response.data != null ? response.data["token"] : '');
+        data: response.data != null ? response.data['token'] : '');
   }
 
   Future<ApiResponse<String>> useRecoveryToken(DeviceToken token) async {
@@ -706,7 +708,7 @@ class ServerApi extends ApiMap {
       return ApiResponse(
           errorMessage: e.message,
           statusCode: e.response?.statusCode ?? HttpStatus.internalServerError,
-          data: "");
+          data: '');
     } finally {
       client.close();
     }
@@ -715,7 +717,7 @@ class ServerApi extends ApiMap {
 
     return ApiResponse(
         statusCode: code,
-        data: response.data != null ? response.data["token"] : '');
+        data: response.data != null ? response.data['token'] : '');
   }
 
   Future<ApiResponse<String>> authorizeDevice(DeviceToken token) async {
@@ -735,16 +737,14 @@ class ServerApi extends ApiMap {
       return ApiResponse(
           errorMessage: e.message,
           statusCode: e.response?.statusCode ?? HttpStatus.internalServerError,
-          data: "");
+          data: '');
     } finally {
       client.close();
     }
 
     final int code = response.statusCode ?? HttpStatus.internalServerError;
 
-    return ApiResponse(
+    return ApiResponse(statusCode: code, data: response.data['token'] ?? '');
-        statusCode: code,
-        data: response.data["token"] != null ? response.data["token"] : '');
   }
 
   Future<ApiResponse<String>> createDeviceToken() async {
@@ -758,7 +758,7 @@ class ServerApi extends ApiMap {
       return ApiResponse(
           errorMessage: e.message,
           statusCode: e.response?.statusCode ?? HttpStatus.internalServerError,
-          data: "");
+          data: '');
     } finally {
       client.close();
     }
@@ -767,7 +767,7 @@ class ServerApi extends ApiMap {
 
     return ApiResponse(
         statusCode: code,
-        data: response.data != null ? response.data["token"] : '');
+        data: response.data != null ? response.data['token'] : '');
   }
 
   Future<ApiResponse<String>> deleteDeviceToken() async {
@@ -781,15 +781,14 @@ class ServerApi extends ApiMap {
       return ApiResponse(
           errorMessage: e.message,
           statusCode: e.response?.statusCode ?? HttpStatus.internalServerError,
-          data: "");
+          data: '');
     } finally {
       client.close();
     }
 
     final int code = response.statusCode ?? HttpStatus.internalServerError;
 
-    return ApiResponse(
+    return ApiResponse(statusCode: code, data: response.data ?? '');
-        statusCode: code, data: response.data != null ? response.data : '');
   }
 
   Future<ApiResponse<List<ApiToken>>> getApiTokens() async {
@@ -828,7 +827,7 @@ class ServerApi extends ApiMap {
       return ApiResponse(
           errorMessage: e.message,
           statusCode: e.response?.statusCode ?? HttpStatus.internalServerError,
-          data: "");
+          data: '');
     } finally {
       client.close();
     }
@@ -837,7 +836,7 @@ class ServerApi extends ApiMap {
 
     return ApiResponse(
         statusCode: code,
-        data: response.data != null ? response.data["token"] : '');
+        data: response.data != null ? response.data['token'] : '');
   }
 
   Future<ApiResponse<void>> deleteApiToken(String device) async {

lib/logic/common_enum/common_enum.dart

@@ -131,5 +131,5 @@ extension ServiceTypesExt on ServiceTypes {
     }
   }
 
-  String get txt => this.toString().split('.')[1];
+  String get txt => toString().split('.')[1];
 }

lib/logic/cubit/app_config_dependent/authentication_dependend_cubit.dart

@@ -1,5 +1,5 @@
 import 'dart:async';
-import 'package:bloc/bloc.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:equatable/equatable.dart';
 import 'package:selfprivacy/logic/cubit/server_installation/server_installation_cubit.dart';
 

lib/logic/cubit/app_settings/app_settings_cubit.dart

@@ -1,4 +1,4 @@
-import 'package:bloc/bloc.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:equatable/equatable.dart';
 import 'package:hive/hive.dart';
 import 'package:selfprivacy/config/hive_config.dart';

lib/logic/cubit/backups/backups_cubit.dart

@@ -5,7 +5,6 @@ import 'package:selfprivacy/config/get_it_config.dart';
 import 'package:selfprivacy/logic/api_maps/backblaze.dart';
 import 'package:selfprivacy/logic/api_maps/server.dart';
 import 'package:selfprivacy/logic/cubit/app_config_dependent/authentication_dependend_cubit.dart';
-import 'package:selfprivacy/logic/cubit/server_installation/server_installation_cubit.dart';
 import 'package:selfprivacy/logic/models/hive/backblaze_bucket.dart';
 import 'package:selfprivacy/logic/models/json/backup.dart';
 
@@ -13,16 +12,18 @@ part 'backups_state.dart';
 
 class BackupsCubit extends ServerInstallationDependendCubit<BackupsState> {
   BackupsCubit(ServerInstallationCubit serverInstallationCubit)
-      : super(serverInstallationCubit, BackupsState(preventActions: true));
+      : super(
+            serverInstallationCubit, const BackupsState(preventActions: true));
 
   final api = ServerApi();
   final backblaze = BackblazeApi();
 
+  @override
   Future<void> load() async {
     if (serverInstallationCubit.state is ServerInstallationFinished) {
       final bucket = getIt<ApiConfigModel>().backblazeBucket;
       if (bucket == null) {
-        emit(BackupsState(
+        emit(const BackupsState(
             isInitialized: false, preventActions: false, refreshing: false));
       } else {
         final status = await api.getBackupStatus();
@@ -30,7 +31,7 @@ class BackupsCubit extends ServerInstallationDependendCubit<BackupsState> {
           case BackupStatusEnum.noKey:
           case BackupStatusEnum.notInitialized:
             emit(BackupsState(
-              backups: [],
+              backups: const [],
               isInitialized: true,
               preventActions: false,
               progress: 0,
@@ -40,12 +41,12 @@ class BackupsCubit extends ServerInstallationDependendCubit<BackupsState> {
             break;
           case BackupStatusEnum.initializing:
             emit(BackupsState(
-              backups: [],
+              backups: const [],
               isInitialized: true,
               preventActions: false,
               progress: 0,
               status: status.status,
-              refreshTimer: Duration(seconds: 10),
+              refreshTimer: const Duration(seconds: 10),
               refreshing: false,
             ));
             break;
@@ -72,12 +73,12 @@ class BackupsCubit extends ServerInstallationDependendCubit<BackupsState> {
               progress: status.progress,
               status: status.status,
               error: status.errorMessage ?? '',
-              refreshTimer: Duration(seconds: 5),
+              refreshTimer: const Duration(seconds: 5),
               refreshing: false,
             ));
             break;
           default:
-            emit(BackupsState());
+            emit(const BackupsState());
         }
         Timer(state.refreshTimer, () => updateBackups(useTimer: true));
       }
@@ -126,11 +127,11 @@ class BackupsCubit extends ServerInstallationDependendCubit<BackupsState> {
     switch (status) {
       case BackupStatusEnum.backingUp:
       case BackupStatusEnum.restoring:
-        return Duration(seconds: 5);
+        return const Duration(seconds: 5);
       case BackupStatusEnum.initializing:
-        return Duration(seconds: 10);
+        return const Duration(seconds: 10);
       default:
-        return Duration(seconds: 60);
+        return const Duration(seconds: 60);
     }
   }
 
@@ -146,8 +147,9 @@ class BackupsCubit extends ServerInstallationDependendCubit<BackupsState> {
       refreshTimer: refreshTimeFromState(status.status),
       refreshing: false,
     ));
-    if (useTimer)
+    if (useTimer) {
       Timer(state.refreshTimer, () => updateBackups(useTimer: true));
+    }
   }
 
   Future<void> forceUpdateBackups() async {
@@ -173,6 +175,6 @@ class BackupsCubit extends ServerInstallationDependendCubit<BackupsState> {
 
   @override
   void clear() async {
-    emit(BackupsState());
+    emit(const BackupsState());
   }
 }

lib/logic/cubit/backups/backups_state.dart

@@ -7,7 +7,7 @@ class BackupsState extends ServerInstallationDependendState {
     this.progress = 0.0,
     this.status = BackupStatusEnum.noKey,
     this.preventActions = true,
-    this.error = "",
+    this.error = '',
     this.refreshTimer = const Duration(seconds: 60),
     this.refreshing = true,
   });

lib/logic/cubit/dns_records/dns_records_cubit.dart

@@ -1,6 +1,5 @@
 import 'package:cubit_form/cubit_form.dart';
 import 'package:selfprivacy/logic/cubit/app_config_dependent/authentication_dependend_cubit.dart';
-import 'package:selfprivacy/logic/cubit/server_installation/server_installation_cubit.dart';
 import 'package:selfprivacy/logic/models/hive/server_domain.dart';
 import 'package:selfprivacy/logic/models/json/dns_records.dart';
 
@@ -13,16 +12,17 @@ class DnsRecordsCubit
     extends ServerInstallationDependendCubit<DnsRecordsState> {
   DnsRecordsCubit(ServerInstallationCubit serverInstallationCubit)
       : super(serverInstallationCubit,
-            DnsRecordsState(dnsState: DnsRecordsStatus.refreshing));
+            const DnsRecordsState(dnsState: DnsRecordsStatus.refreshing));
 
   final api = ServerApi();
   final cloudflare = CloudflareApi();
 
+  @override
   Future<void> load() async {
     emit(DnsRecordsState(
         dnsState: DnsRecordsStatus.refreshing,
         dnsRecords: _getDesiredDnsRecords(
-            serverInstallationCubit.state.serverDomain?.domainName, "", "")));
+            serverInstallationCubit.state.serverDomain?.domainName, '', '')));
     print('Loading DNS status');
     if (serverInstallationCubit.state is ServerInstallationFinished) {
       final ServerDomain? domain = serverInstallationCubit.state.serverDomain;
@@ -75,7 +75,7 @@ class DnsRecordsCubit
               : DnsRecordsStatus.good,
         ));
       } else {
-        emit(DnsRecordsState());
+        emit(const DnsRecordsState());
       }
     }
   }
@@ -88,7 +88,7 @@ class DnsRecordsCubit
 
   @override
   Future<void> clear() async {
-    emit(DnsRecordsState(dnsState: DnsRecordsStatus.error));
+    emit(const DnsRecordsState(dnsState: DnsRecordsStatus.error));
   }
 
   Future<void> refresh() async {
@@ -104,7 +104,7 @@ class DnsRecordsCubit
     await cloudflare.removeSimilarRecords(cloudFlareDomain: domain!);
     await cloudflare.createMultipleDnsRecords(
         cloudFlareDomain: domain, ip4: ipAddress);
-    await cloudflare.setDkim(dkimPublicKey ?? "", domain);
+    await cloudflare.setDkim(dkimPublicKey ?? '', domain);
     await load();
   }
 

lib/logic/cubit/dns_records/dns_records_state.dart

@@ -42,7 +42,7 @@ class DnsRecordsState extends ServerInstallationDependendState {
 class DesiredDnsRecord {
   const DesiredDnsRecord({
     required this.name,
-    this.type = "A",
+    this.type = 'A',
     required this.content,
     this.description = '',
     this.category = DnsRecordsCategory.services,

lib/logic/cubit/forms/factories/field_cubit_factory.dart

@@ -16,7 +16,7 @@ class FieldCubitFactory {
   /// - Must not be a reserved root login
   /// - Must be unique
   FieldCubit<String> createUserLoginField() {
-    final userAllowedRegExp = RegExp(r"^[a-z_][a-z0-9_]+$");
+    final userAllowedRegExp = RegExp(r'^[a-z_][a-z0-9_]+$');
     const userMaxLength = 31;
     return FieldCubit(
       initalValue: '',
@@ -40,7 +40,7 @@ class FieldCubitFactory {
   /// - Must fail on the regural expression of invalid matches: [\n\r\s]+
   /// - Must not be empty
   FieldCubit<String> createUserPasswordField() {
-    var passwordForbiddenRegExp = RegExp(r"[\n\r\s]+");
+    var passwordForbiddenRegExp = RegExp(r'[\n\r\s]+');
     return FieldCubit(
       initalValue: '',
       validations: [

lib/logic/cubit/forms/setup/initializing/cloudflare_form_cubit.dart

@@ -8,7 +8,7 @@ import 'package:selfprivacy/logic/cubit/forms/validations/validations.dart';
 
 class CloudFlareFormCubit extends FormCubit {
   CloudFlareFormCubit(this.initializingCubit) {
-    var regExp = RegExp(r"\s+|[!$%^&*()@+|~=`{}\[\]:<>?,.\/]");
+    var regExp = RegExp(r'\s+|[!$%^&*()@+|~=`{}\[\]:<>?,.\/]');
     apiKey = FieldCubit(
       initalValue: '',
       validations: [
@@ -48,9 +48,4 @@ class CloudFlareFormCubit extends FormCubit {
     }
     return true;
   }
-
-  @override
-  Future<void> close() async {
-    return super.close();
-  }
 }

lib/logic/cubit/forms/setup/initializing/domain_cloudflare.dart

@@ -39,7 +39,7 @@ class DomainSetupCubit extends Cubit<DomainSetupState> {
     var domain = ServerDomain(
       domainName: domainName,
       zoneId: zoneId,
-      provider: DnsProvider.Cloudflare,
+      provider: DnsProvider.cloudflare,
     );
 
     serverInstallationCubit.setDomain(domain);

lib/logic/cubit/forms/setup/initializing/hetzner_form_cubit.dart

@@ -8,7 +8,7 @@ import 'package:selfprivacy/logic/cubit/forms/validations/validations.dart';
 
 class HetznerFormCubit extends FormCubit {
   HetznerFormCubit(this.serverInstallationCubit) {
-    var regExp = RegExp(r"\s+|[-!$%^&*()@+|~=`{}\[\]:<>?,.\/]");
+    var regExp = RegExp(r'\s+|[-!$%^&*()@+|~=`{}\[\]:<>?,.\/]');
     apiKey = FieldCubit(
       initalValue: '',
       validations: [

lib/logic/cubit/forms/setup/recovering/recovery_domain_form_cubit.dart

@@ -34,7 +34,7 @@ class RecoveryDomainFormCubit extends FormCubit {
 
     final bool domainValid = await api.getApiVersion() != null;
     if (!domainValid) {
-      serverDomainField.setError("recovering.domain_recover_error".tr());
+      serverDomainField.setError('recovering.domain_recover_error'.tr());
     }
 
     return domainValid;

lib/logic/cubit/forms/user/ssh_form_cubit.dart

@@ -12,7 +12,7 @@ class SshFormCubit extends FormCubit {
     required this.user,
   }) {
     var keyRegExp = RegExp(
-        r"^(ssh-rsa AAAAB3NzaC1yc2|ssh-ed25519 AAAAC3NzaC1lZDI1NTE5)[0-9A-Za-z+/]+[=]{0,3}( .*)?$");
+        r'^(ssh-rsa AAAAB3NzaC1yc2|ssh-ed25519 AAAAC3NzaC1lZDI1NTE5)[0-9A-Za-z+/]+[=]{0,3}( .*)?$');
 
     key = FieldCubit(
       initalValue: '',

lib/logic/cubit/forms/validations/validations.dart

@@ -8,7 +8,7 @@ abstract class LengthStringValidation extends ValidationModel<String> {
   @override
   String? check(String value) {
     var length = value.length;
-    var errorMessage = this.errorMassage.replaceAll("[]", length.toString());
+    var errorMessage = errorMassage.replaceAll('[]', length.toString());
     return test(value) ? errorMessage : null;
   }
 }

lib/logic/cubit/hetzner_metrics/hetzner_metrics_cubit.dart

@@ -1,6 +1,6 @@
 import 'dart:async';
 
-import 'package:bloc/bloc.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:equatable/equatable.dart';
 import 'package:selfprivacy/logic/common_enum/common_enum.dart';
 import 'package:selfprivacy/logic/models/hetzner_metrics.dart';
@@ -10,12 +10,13 @@ import 'hetzner_metrics_repository.dart';
 part 'hetzner_metrics_state.dart';
 
 class HetznerMetricsCubit extends Cubit<HetznerMetricsState> {
-  HetznerMetricsCubit() : super(HetznerMetricsLoading(Period.day));
+  HetznerMetricsCubit() : super(const HetznerMetricsLoading(Period.day));
 
   final repository = HetznerMetricsRepository();
 
   Timer? timer;
 
+  @override
   close() {
     closeTimer();
     return super.close();

lib/logic/cubit/hetzner_metrics/hetzner_metrics_repository.dart

@@ -11,13 +11,13 @@ class HetznerMetricsRepository {
 
     switch (period) {
       case Period.hour:
-        start = end.subtract(Duration(hours: 1));
+        start = end.subtract(const Duration(hours: 1));
         break;
       case Period.day:
-        start = end.subtract(Duration(days: 1));
+        start = end.subtract(const Duration(days: 1));
         break;
       case Period.month:
-        start = end.subtract(Duration(days: 15));
+        start = end.subtract(const Duration(days: 15));
         break;
     }
 
@@ -28,14 +28,14 @@ class HetznerMetricsRepository {
       api.getMetrics(start, end, 'network'),
     ]);
 
-    var cpuMetricsData = results[0]["metrics"];
+    var cpuMetricsData = results[0]['metrics'];
-    var networkMetricsData = results[1]["metrics"];
+    var networkMetricsData = results[1]['metrics'];
 
     return HetznerMetricsLoaded(
       period: period,
       start: start,
       end: end,
-      stepInSeconds: cpuMetricsData["step"],
+      stepInSeconds: cpuMetricsData['step'],
       cpu: timeSeriesSerializer(cpuMetricsData, 'cpu'),
       ppsIn: timeSeriesSerializer(networkMetricsData, 'network.0.pps.in'),
       ppsOut: timeSeriesSerializer(networkMetricsData, 'network.0.pps.out'),
@@ -51,6 +51,6 @@ class HetznerMetricsRepository {
 
 List<TimeSeriesData> timeSeriesSerializer(
     Map<String, dynamic> json, String type) {
-  List list = json["time_series"][type]["values"];
+  List list = json['time_series'][type]['values'];
   return list.map((el) => TimeSeriesData(el[0], double.parse(el[1]))).toList();
 }

lib/logic/cubit/hetzner_metrics/hetzner_metrics_state.dart

@@ -7,7 +7,8 @@ abstract class HetznerMetricsState extends Equatable {
 }
 
 class HetznerMetricsLoading extends HetznerMetricsState {
-  HetznerMetricsLoading(this.period);
+  const HetznerMetricsLoading(this.period);
+  @override
   final Period period;
 
   @override
@@ -15,7 +16,7 @@ class HetznerMetricsLoading extends HetznerMetricsState {
 }
 
 class HetznerMetricsLoaded extends HetznerMetricsState {
-  HetznerMetricsLoaded({
+  const HetznerMetricsLoaded({
     required this.period,
     required this.start,
     required this.end,
@@ -27,6 +28,7 @@ class HetznerMetricsLoaded extends HetznerMetricsState {
     required this.bandwidthOut,
   });
 
+  @override
   final Period period;
   final DateTime start;
   final DateTime end;

lib/logic/cubit/providers/providers_cubit.dart

@@ -1,4 +1,4 @@
-import 'package:bloc/bloc.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:equatable/equatable.dart';
 import 'package:selfprivacy/logic/models/provider.dart';
 import 'package:selfprivacy/logic/models/state_types.dart';

lib/logic/cubit/recovery_key/recovery_key_cubit.dart

@@ -7,7 +7,7 @@ part 'recovery_key_state.dart';
 class RecoveryKeyCubit
     extends ServerInstallationDependendCubit<RecoveryKeyState> {
   RecoveryKeyCubit(ServerInstallationCubit serverInstallationCubit)
-      : super(serverInstallationCubit, RecoveryKeyState.initial());
+      : super(serverInstallationCubit, const RecoveryKeyState.initial());
 
   final api = ServerApi();
 

lib/logic/cubit/recovery_key/recovery_key_state.dart

@@ -7,12 +7,12 @@ enum LoadingStatus {
   error,
 }
 
-
 class RecoveryKeyState extends ServerInstallationDependendState {
   const RecoveryKeyState(this._status, this.loadingStatus);
 
-  RecoveryKeyState.initial()
+  const RecoveryKeyState.initial()
-      : this(RecoveryKeyStatus(exists: false, valid: false), LoadingStatus.refreshing);
+      : this(const RecoveryKeyStatus(exists: false, valid: false),
+            LoadingStatus.refreshing);
 
   final RecoveryKeyStatus _status;
   final LoadingStatus loadingStatus;
@@ -30,7 +30,7 @@ class RecoveryKeyState extends ServerInstallationDependendState {
     LoadingStatus? loadingStatus,
   }) {
     return RecoveryKeyState(
-      status ?? this._status,
+      status ?? _status,
       loadingStatus ?? this.loadingStatus,
     );
   }

lib/logic/cubit/server_detailed_info/server_detailed_info_cubit.dart

@@ -1,4 +1,4 @@
-import 'package:bloc/bloc.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:equatable/equatable.dart';
 import 'package:selfprivacy/config/get_it_config.dart';
 import 'package:selfprivacy/logic/cubit/server_detailed_info/server_detailed_info_repository.dart';

lib/logic/cubit/server_detailed_info/server_detailed_info_repository.dart

@@ -8,9 +8,9 @@ class ServerDetailsRepository {
   var hetznerAPi = HetznerApi();
   var selfprivacyServer = ServerApi();
 
-  Future<_ServerDetailsRepositoryDto> load() async {
+  Future<ServerDetailsRepositoryDto> load() async {
     print('load');
-    return _ServerDetailsRepositoryDto(
+    return ServerDetailsRepositoryDto(
       autoUpgradeSettings: await selfprivacyServer.getAutoUpgradeSettings(),
       hetznerServerInfo: await hetznerAPi.getInfo(),
       serverTimezone: await selfprivacyServer.getServerTimezone(),
@@ -18,14 +18,14 @@ class ServerDetailsRepository {
   }
 }
 
-class _ServerDetailsRepositoryDto {
+class ServerDetailsRepositoryDto {
   final HetznerServerInfo hetznerServerInfo;
 
   final TimeZoneSettings serverTimezone;
 
   final AutoUpgradeSettings autoUpgradeSettings;
 
-  _ServerDetailsRepositoryDto({
+  ServerDetailsRepositoryDto({
     required this.hetznerServerInfo,
     required this.serverTimezone,
     required this.autoUpgradeSettings,

lib/logic/cubit/server_detailed_info/server_detailed_info_state.dart

@@ -23,7 +23,7 @@ class Loaded extends ServerDetailsState {
   final AutoUpgradeSettings autoUpgradeSettings;
   final DateTime checkTime;
 
-  Loaded({
+  const Loaded({
     required this.serverInfo,
     required this.serverTimezone,
     required this.autoUpgradeSettings,

lib/logic/cubit/server_installation/server_installation_cubit.dart

@@ -1,6 +1,6 @@
 import 'dart:async';
 
-import 'package:bloc/bloc.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:easy_localization/easy_localization.dart';
 import 'package:equatable/equatable.dart';
 import 'package:selfprivacy/config/get_it_config.dart';
@@ -17,7 +17,7 @@ export 'package:provider/provider.dart';
 part '../server_installation/server_installation_state.dart';
 
 class ServerInstallationCubit extends Cubit<ServerInstallationState> {
-  ServerInstallationCubit() : super(ServerInstallationEmpty());
+  ServerInstallationCubit() : super(const ServerInstallationEmpty());
 
   final repository = ServerInstallationRepository();
 
@@ -54,7 +54,7 @@ class ServerInstallationCubit extends Cubit<ServerInstallationState> {
     if (state is ServerInstallationRecovery) {
       emit((state as ServerInstallationRecovery).copyWith(
         hetznerKey: hetznerKey,
-        currentStep: RecoveryStep.ServerSelection,
+        currentStep: RecoveryStep.serverSelection,
       ));
       return;
     }
@@ -104,12 +104,12 @@ class ServerInstallationCubit extends Cubit<ServerInstallationState> {
   }
 
   void createServerAndSetDnsRecords() async {
-    ServerInstallationNotFinished _stateCopy =
+    ServerInstallationNotFinished stateCopy =
         state as ServerInstallationNotFinished;
-    var onCancel = () => emit(
+    onCancel() => emit(
         (state as ServerInstallationNotFinished).copyWith(isLoading: false));
 
-    var onSuccess = (ServerHostingDetails serverDetails) async {
+    onSuccess(ServerHostingDetails serverDetails) async {
       await repository.createDnsRecords(
         serverDetails.ip4,
         state.serverDomain!,
@@ -120,8 +120,8 @@ class ServerInstallationCubit extends Cubit<ServerInstallationState> {
         isLoading: false,
         serverDetails: serverDetails,
       ));
-      runDelayed(startServerIfDnsIsOkay, Duration(seconds: 30), null);
+      runDelayed(startServerIfDnsIsOkay, const Duration(seconds: 30), null);
-    };
+    }
 
     try {
       emit((state as ServerInstallationNotFinished).copyWith(isLoading: true));
@@ -134,7 +134,7 @@ class ServerInstallationCubit extends Cubit<ServerInstallationState> {
         onSuccess: onSuccess,
       );
     } catch (e) {
-      emit(_stateCopy);
+      emit(stateCopy);
     }
   }
 
@@ -163,7 +163,8 @@ class ServerInstallationCubit extends Cubit<ServerInstallationState> {
           serverDetails: server,
         ),
       );
-      runDelayed(resetServerIfServerIsOkay, Duration(seconds: 60), dataState);
+      runDelayed(
+          resetServerIfServerIsOkay, const Duration(seconds: 60), dataState);
     } else {
       emit(
         dataState.copyWith(
@@ -171,7 +172,8 @@ class ServerInstallationCubit extends Cubit<ServerInstallationState> {
           dnsMatches: matches,
         ),
       );
-      runDelayed(startServerIfDnsIsOkay, Duration(seconds: 30), dataState);
+      runDelayed(
+          startServerIfDnsIsOkay, const Duration(seconds: 30), dataState);
     }
   }
 
@@ -183,7 +185,7 @@ class ServerInstallationCubit extends Cubit<ServerInstallationState> {
     var isServerWorking = await repository.isHttpServerWorking();
 
     if (isServerWorking) {
-      var pauseDuration = Duration(seconds: 30);
+      var pauseDuration = const Duration(seconds: 30);
       emit(TimerState(
         dataState: dataState,
         timerStart: DateTime.now(),
@@ -202,10 +204,11 @@ class ServerInstallationCubit extends Cubit<ServerInstallationState> {
             isLoading: false,
           ),
         );
-        runDelayed(finishCheckIfServerIsOkay, Duration(seconds: 60), dataState);
+        runDelayed(
+            finishCheckIfServerIsOkay, const Duration(seconds: 60), dataState);
       });
     } else {
-      runDelayed(oneMoreReset, Duration(seconds: 60), dataState);
+      runDelayed(oneMoreReset, const Duration(seconds: 60), dataState);
     }
   }
 
@@ -219,7 +222,7 @@ class ServerInstallationCubit extends Cubit<ServerInstallationState> {
     var isServerWorking = await repository.isHttpServerWorking();
 
     if (isServerWorking) {
-      var pauseDuration = Duration(seconds: 30);
+      var pauseDuration = const Duration(seconds: 30);
       emit(TimerState(
         dataState: dataState,
         timerStart: DateTime.now(),
@@ -238,10 +241,11 @@ class ServerInstallationCubit extends Cubit<ServerInstallationState> {
             isLoading: false,
           ),
         );
-        runDelayed(oneMoreReset, Duration(seconds: 60), dataState);
+        runDelayed(oneMoreReset, const Duration(seconds: 60), dataState);
       });
     } else {
-      runDelayed(resetServerIfServerIsOkay, Duration(seconds: 60), dataState);
+      runDelayed(
+          resetServerIfServerIsOkay, const Duration(seconds: 60), dataState);
     }
   }
 
@@ -260,7 +264,8 @@ class ServerInstallationCubit extends Cubit<ServerInstallationState> {
 
       emit(dataState.finish());
     } else {
-      runDelayed(finishCheckIfServerIsOkay, Duration(seconds: 60), dataState);
+      runDelayed(
+          finishCheckIfServerIsOkay, const Duration(seconds: 60), dataState);
     }
   }
 
@@ -280,7 +285,7 @@ class ServerInstallationCubit extends Cubit<ServerInstallationState> {
   void submitDomainForAccessRecovery(String domain) async {
     var serverDomain = ServerDomain(
       domainName: domain,
-      provider: DnsProvider.Unknown,
+      provider: DnsProvider.unknown,
       zoneId: '',
     );
     final recoveryCapabilities =
@@ -291,12 +296,12 @@ class ServerInstallationCubit extends Cubit<ServerInstallationState> {
     emit(ServerInstallationRecovery(
       serverDomain: serverDomain,
       recoveryCapabilities: recoveryCapabilities,
-      currentStep: RecoveryStep.Selecting,
+      currentStep: RecoveryStep.selecting,
     ));
   }
 
   void tryToRecover(String token, ServerRecoveryMethods method) async {
-    final dataState = this.state as ServerInstallationRecovery;
+    final dataState = state as ServerInstallationRecovery;
     final serverDomain = dataState.serverDomain;
     if (serverDomain == null) {
       return;
@@ -324,7 +329,7 @@ class ServerInstallationCubit extends Cubit<ServerInstallationState> {
       await repository.saveServerDetails(serverDetails);
       emit(dataState.copyWith(
         serverDetails: serverDetails,
-        currentStep: RecoveryStep.HetznerToken,
+        currentStep: RecoveryStep.hetznerToken,
       ));
     } on ServerAuthorizationException {
       getIt<NavigationService>()
@@ -338,23 +343,23 @@ class ServerInstallationCubit extends Cubit<ServerInstallationState> {
   }
 
   void revertRecoveryStep() {
-    final dataState = this.state as ServerInstallationRecovery;
+    final dataState = state as ServerInstallationRecovery;
     switch (dataState.currentStep) {
-      case RecoveryStep.Selecting:
+      case RecoveryStep.selecting:
         repository.deleteDomain();
-        emit(ServerInstallationEmpty());
+        emit(const ServerInstallationEmpty());
         break;
-      case RecoveryStep.RecoveryKey:
+      case RecoveryStep.recoveryKey:
-      case RecoveryStep.NewDeviceKey:
+      case RecoveryStep.newDeviceKey:
-      case RecoveryStep.OldToken:
+      case RecoveryStep.oldToken:
         emit(dataState.copyWith(
-          currentStep: RecoveryStep.Selecting,
+          currentStep: RecoveryStep.selecting,
         ));
         break;
-      case RecoveryStep.ServerSelection:
+      case RecoveryStep.serverSelection:
         repository.deleteHetznerKey();
         emit(dataState.copyWith(
-          currentStep: RecoveryStep.HetznerToken,
+          currentStep: RecoveryStep.hetznerToken,
         ));
         break;
       // We won't revert steps after client is authorized
@@ -364,21 +369,21 @@ class ServerInstallationCubit extends Cubit<ServerInstallationState> {
   }
 
   void selectRecoveryMethod(ServerRecoveryMethods method) {
-    final dataState = this.state as ServerInstallationRecovery;
+    final dataState = state as ServerInstallationRecovery;
     switch (method) {
       case ServerRecoveryMethods.newDeviceKey:
         emit(dataState.copyWith(
-          currentStep: RecoveryStep.NewDeviceKey,
+          currentStep: RecoveryStep.newDeviceKey,
         ));
         break;
       case ServerRecoveryMethods.recoveryKey:
         emit(dataState.copyWith(
-          currentStep: RecoveryStep.RecoveryKey,
+          currentStep: RecoveryStep.recoveryKey,
         ));
         break;
       case ServerRecoveryMethods.oldToken:
         emit(dataState.copyWith(
-          currentStep: RecoveryStep.OldToken,
+          currentStep: RecoveryStep.oldToken,
         ));
         break;
     }
@@ -386,7 +391,7 @@ class ServerInstallationCubit extends Cubit<ServerInstallationState> {
 
   Future<List<ServerBasicInfoWithValidators>>
       getServersOnHetznerAccount() async {
-    final dataState = this.state as ServerInstallationRecovery;
+    final dataState = state as ServerInstallationRecovery;
     final servers = await repository.getServersOnHetznerAccount();
     final validated = servers
         .map((server) => ServerBasicInfoWithValidators.fromServerBasicInfo(
@@ -399,7 +404,7 @@ class ServerInstallationCubit extends Cubit<ServerInstallationState> {
   }
 
   Future<void> setServerId(ServerBasicInfo server) async {
-    final dataState = this.state as ServerInstallationRecovery;
+    final dataState = state as ServerInstallationRecovery;
     final serverDomain = dataState.serverDomain;
     if (serverDomain == null) {
       return;
@@ -410,21 +415,21 @@ class ServerInstallationCubit extends Cubit<ServerInstallationState> {
       createTime: server.created,
       volume: ServerVolume(
         id: server.volumeId,
-        name: "recovered_volume",
+        name: 'recovered_volume',
       ),
       apiToken: dataState.serverDetails!.apiToken,
-      provider: ServerProvider.Hetzner,
+      provider: ServerProvider.hetzner,
     );
     await repository.saveDomain(serverDomain);
     await repository.saveServerDetails(serverDetails);
     emit(dataState.copyWith(
       serverDetails: serverDetails,
-      currentStep: RecoveryStep.CloudflareToken,
+      currentStep: RecoveryStep.cloudflareToken,
     ));
   }
 
   Future<void> setAndValidateCloudflareToken(String token) async {
-    final dataState = this.state as ServerInstallationRecovery;
+    final dataState = state as ServerInstallationRecovery;
     final serverDomain = dataState.serverDomain;
     if (serverDomain == null) {
       return;
@@ -438,17 +443,17 @@ class ServerInstallationCubit extends Cubit<ServerInstallationState> {
     await repository.saveDomain(ServerDomain(
       domainName: serverDomain.domainName,
       zoneId: zoneId,
-      provider: DnsProvider.Cloudflare,
+      provider: DnsProvider.cloudflare,
     ));
     await repository.saveCloudFlareKey(token);
     emit(dataState.copyWith(
       serverDomain: ServerDomain(
         domainName: serverDomain.domainName,
         zoneId: zoneId,
-        provider: DnsProvider.Cloudflare,
+        provider: DnsProvider.cloudflare,
       ),
       cloudFlareKey: token,
-      currentStep: RecoveryStep.BackblazeToken,
+      currentStep: RecoveryStep.backblazeToken,
     ));
   }
 
@@ -474,7 +479,7 @@ class ServerInstallationCubit extends Cubit<ServerInstallationState> {
     closeTimer();
 
     repository.clearAppConfig();
-    emit(ServerInstallationEmpty());
+    emit(const ServerInstallationEmpty());
   }
 
   Future<void> serverDelete() async {
@@ -499,6 +504,7 @@ class ServerInstallationCubit extends Cubit<ServerInstallationState> {
     ));
   }
 
+  @override
   close() {
     closeTimer();
     return super.close();

lib/logic/cubit/server_installation/server_installation_repository.dart

@@ -62,7 +62,7 @@ class ServerInstallationRepository {
       );
     }
 
-    if (serverDomain != null && serverDomain.provider == DnsProvider.Unknown) {
+    if (serverDomain != null && serverDomain.provider == DnsProvider.unknown) {
       return ServerInstallationRecovery(
         hetznerKey: hetznerToken,
         cloudFlareKey: cloudflareToken,
@@ -101,17 +101,17 @@ class ServerInstallationRepository {
   ) {
     if (serverDetails != null) {
       if (hetznerToken != null) {
-        if (serverDetails.provider != ServerProvider.Unknown) {
+        if (serverDetails.provider != ServerProvider.unknown) {
-          if (serverDomain.provider != DnsProvider.Unknown) {
+          if (serverDomain.provider != DnsProvider.unknown) {
-            return RecoveryStep.BackblazeToken;
+            return RecoveryStep.backblazeToken;
           }
-          return RecoveryStep.CloudflareToken;
+          return RecoveryStep.cloudflareToken;
         }
-        return RecoveryStep.ServerSelection;
+        return RecoveryStep.serverSelection;
       }
-      return RecoveryStep.HetznerToken;
+      return RecoveryStep.hetznerToken;
     }
-    return RecoveryStep.Selecting;
+    return RecoveryStep.selecting;
   }
 
   void clearAppConfig() {
@@ -271,7 +271,7 @@ class ServerInstallationRepository {
       var nav = getIt.get<NavigationService>();
       nav.showPopUpDialog(
         BrandAlert(
-          title: e.response!.data["errors"][0]["code"] == 1038
+          title: e.response!.data['errors'][0]['code'] == 1038
               ? 'modals.10'.tr()
               : 'providers.domain.states.error'.tr(),
           contentText: 'modals.6'.tr(),
@@ -309,7 +309,7 @@ class ServerInstallationRepository {
 
     var dkimRecordString = await api.getDkim();
 
-    await cloudflareApi.setDkim(dkimRecordString ?? "", cloudFlareDomain);
+    await cloudflareApi.setDkim(dkimRecordString ?? '', cloudFlareDomain);
   }
 
   Future<bool> isHttpServerWorking() async {
@@ -408,7 +408,7 @@ class ServerInstallationRepository {
           id: 0,
           name: '',
         ),
-        provider: ServerProvider.Unknown,
+        provider: ServerProvider.unknown,
         id: 0,
         ip4: serverIp,
         startTime: null,
@@ -439,7 +439,7 @@ class ServerInstallationRepository {
           id: 0,
           name: '',
         ),
-        provider: ServerProvider.Unknown,
+        provider: ServerProvider.unknown,
         id: 0,
         ip4: '',
         startTime: null,
@@ -472,7 +472,7 @@ class ServerInstallationRepository {
           id: 0,
           name: '',
         ),
-        provider: ServerProvider.Unknown,
+        provider: ServerProvider.unknown,
         id: 0,
         ip4: '',
         startTime: null,
@@ -487,7 +487,7 @@ class ServerInstallationRepository {
 
   Future<User> getMainUser() async {
     var serverApi = ServerApi();
-    final fallbackUser = User(
+    const fallbackUser = User(
       isFoundOnServer: false,
       note: 'Couldn\'t find main user on server, API is outdated',
       login: 'UNKNOWN',

lib/logic/cubit/server_installation/server_installation_state.dart

@@ -122,7 +122,7 @@ class ServerInstallationNotFinished extends ServerInstallationState {
   final bool isLoading;
   final Map<String, bool>? dnsMatches;
 
-  ServerInstallationNotFinished({
+  const ServerInstallationNotFinished({
     String? hetznerKey,
     String? cloudFlareKey,
     BackblazeCredential? backblazeCredential,
@@ -203,7 +203,7 @@ class ServerInstallationNotFinished extends ServerInstallationState {
 }
 
 class ServerInstallationEmpty extends ServerInstallationNotFinished {
-  ServerInstallationEmpty()
+  const ServerInstallationEmpty()
       : super(
           hetznerKey: null,
           cloudFlareKey: null,
@@ -256,14 +256,14 @@ class ServerInstallationFinished extends ServerInstallationState {
 }
 
 enum RecoveryStep {
-  Selecting,
+  selecting,
-  RecoveryKey,
+  recoveryKey,
-  NewDeviceKey,
+  newDeviceKey,
-  OldToken,
+  oldToken,
-  HetznerToken,
+  hetznerToken,
-  ServerSelection,
+  serverSelection,
-  CloudflareToken,
+  cloudflareToken,
-  BackblazeToken,
+  backblazeToken,
 }
 
 enum ServerRecoveryCapabilities {
@@ -289,8 +289,8 @@ class ServerInstallationRecovery extends ServerInstallationState {
     ServerDomain? serverDomain,
     User? rootUser,
     ServerHostingDetails? serverDetails,
-    required RecoveryStep this.currentStep,
+    required this.currentStep,
-    required ServerRecoveryCapabilities this.recoveryCapabilities,
+    required this.recoveryCapabilities,
   }) : super(
           hetznerKey: hetznerKey,
           cloudFlareKey: cloudFlareKey,

lib/logic/cubit/services/services_cubit.dart

@@ -1,7 +1,6 @@
 import 'package:selfprivacy/logic/api_maps/server.dart';
 import 'package:selfprivacy/logic/common_enum/common_enum.dart';
 import 'package:selfprivacy/logic/cubit/app_config_dependent/authentication_dependend_cubit.dart';
-import 'package:selfprivacy/logic/cubit/server_installation/server_installation_cubit.dart';
 
 part 'services_state.dart';
 
@@ -9,6 +8,7 @@ class ServicesCubit extends ServerInstallationDependendCubit<ServicesState> {
   ServicesCubit(ServerInstallationCubit serverInstallationCubit)
       : super(serverInstallationCubit, ServicesState.allOff());
   final api = ServerApi();
+  @override
   Future<void> load() async {
     if (serverInstallationCubit.state is ServerInstallationFinished) {
       var statuses = await api.servicesPowerCheck();

lib/logic/cubit/services/services_state.dart

@@ -15,14 +15,14 @@ class ServicesState extends ServerInstallationDependendState {
   final bool isSocialNetworkEnable;
   final bool isVpnEnable;
 
-  factory ServicesState.allOff() => ServicesState(
+  factory ServicesState.allOff() => const ServicesState(
         isPasswordManagerEnable: false,
         isCloudEnable: false,
         isGitEnable: false,
         isSocialNetworkEnable: false,
         isVpnEnable: false,
       );
-  factory ServicesState.allOn() => ServicesState(
+  factory ServicesState.allOn() => const ServicesState(
         isPasswordManagerEnable: true,
         isCloudEnable: true,
         isGitEnable: true,

lib/logic/cubit/users/users_cubit.dart

@@ -1,7 +1,6 @@
 import 'package:hive/hive.dart';
 import 'package:selfprivacy/config/hive_config.dart';
 import 'package:selfprivacy/logic/cubit/app_config_dependent/authentication_dependend_cubit.dart';
-import 'package:selfprivacy/logic/cubit/server_installation/server_installation_cubit.dart';
 import 'package:selfprivacy/logic/models/hive/user.dart';
 
 import '../../api_maps/server.dart';
@@ -14,18 +13,19 @@ class UsersCubit extends ServerInstallationDependendCubit<UsersState> {
   UsersCubit(ServerInstallationCubit serverInstallationCubit)
       : super(
             serverInstallationCubit,
-            UsersState(
+            const UsersState(
                 <User>[], User(login: 'root'), User(login: 'loading...')));
   Box<User> box = Hive.box<User>(BNames.usersBox);
   Box serverInstallationBox = Hive.box(BNames.serverInstallationBox);
 
   final api = ServerApi();
 
+  @override
   Future<void> load() async {
     if (serverInstallationCubit.state is ServerInstallationFinished) {
       var loadedUsers = box.values.toList();
       final primaryUser = serverInstallationBox.get(BNames.rootUser,
-          defaultValue: User(login: 'loading...'));
+          defaultValue: const User(login: 'loading...'));
       List<String> rootKeys = [
         ...serverInstallationBox.get(BNames.rootKeys, defaultValue: [])
       ];
@@ -308,6 +308,7 @@ class UsersCubit extends ServerInstallationDependendCubit<UsersState> {
 
   @override
   void clear() async {
-    emit(UsersState(<User>[], User(login: 'root'), User(login: 'loading...')));
+    emit(const UsersState(
+        <User>[], User(login: 'root'), User(login: 'loading...')));
   }
 }

lib/logic/get_it/api_config.dart

@@ -6,7 +6,7 @@ import 'package:selfprivacy/logic/models/hive/server_details.dart';
 import 'package:selfprivacy/logic/models/hive/server_domain.dart';
 
 class ApiConfigModel {
-  Box _box = Hive.box(BNames.serverInstallationBox);
+  final Box _box = Hive.box(BNames.serverInstallationBox);
 
   ServerHostingDetails? get serverDetails => _serverDetails;
   String? get hetznerKey => _hetznerKey;

lib/logic/get_it/console.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:selfprivacy/logic/models/message.dart';
 
 class ConsoleModel extends ChangeNotifier {
-  List<Message> _messages = [];
+  final List<Message> _messages = [];
 
   List<Message> get messages => _messages;
 

lib/logic/models/hive/backblaze_bucket.dart

@@ -24,6 +24,6 @@ class BackblazeBucket {
 
   @override
   String toString() {
-    return '$bucketName';
+    return bucketName;
   }
 }

lib/logic/models/hive/backblaze_credential.dart

@@ -23,7 +23,7 @@ class BackblazeCredential {
 }
 
 String encodedBackblazeKey(String? keyId, String? applicationKey) {
-  String _apiKey = '$keyId:$applicationKey';
+  String apiKey = '$keyId:$applicationKey';
-  String encodedApiKey = base64.encode(utf8.encode(_apiKey));
+  String encodedApiKey = base64.encode(utf8.encode(apiKey));
   return encodedApiKey;
 }

lib/logic/models/hive/server_details.dart

@@ -32,7 +32,7 @@ class ServerHostingDetails {
   @HiveField(5)
   final String apiToken;
 
-  @HiveField(6, defaultValue: ServerProvider.Hetzner)
+  @HiveField(6, defaultValue: ServerProvider.hetzner)
   final ServerProvider provider;
 
   ServerHostingDetails copyWith({DateTime? startTime}) {
@@ -47,6 +47,7 @@ class ServerHostingDetails {
     );
   }
 
+  @override
   String toString() => id.toString();
 }
 
@@ -66,7 +67,7 @@ class ServerVolume {
 @HiveType(typeId: 101)
 enum ServerProvider {
   @HiveField(0)
-  Unknown,
+  unknown,
   @HiveField(1)
-  Hetzner,
+  hetzner,
 }

lib/logic/models/hive/server_details.g.dart

@@ -23,7 +23,7 @@ class ServerHostingDetailsAdapter extends TypeAdapter<ServerHostingDetails> {
       volume: fields[4] as ServerVolume,
       apiToken: fields[5] as String,
       provider: fields[6] == null
-          ? ServerProvider.Hetzner
+          ? ServerProvider.hetzner
           : fields[6] as ServerProvider,
       startTime: fields[2] as DateTime?,
     );
@@ -105,21 +105,21 @@ class ServerProviderAdapter extends TypeAdapter<ServerProvider> {
   ServerProvider read(BinaryReader reader) {
     switch (reader.readByte()) {
       case 0:
-        return ServerProvider.Unknown;
+        return ServerProvider.unknown;
       case 1:
-        return ServerProvider.Hetzner;
+        return ServerProvider.hetzner;
       default:
-        return ServerProvider.Unknown;
+        return ServerProvider.unknown;
     }
   }
 
   @override
   void write(BinaryWriter writer, ServerProvider obj) {
     switch (obj) {
-      case ServerProvider.Unknown:
+      case ServerProvider.unknown:
         writer.writeByte(0);
         break;
-      case ServerProvider.Hetzner:
+      case ServerProvider.hetzner:
         writer.writeByte(1);
         break;
     }

lib/logic/models/hive/server_domain.dart

@@ -16,7 +16,7 @@ class ServerDomain {
   @HiveField(1)
   final String zoneId;
 
-  @HiveField(2, defaultValue: DnsProvider.Cloudflare)
+  @HiveField(2, defaultValue: DnsProvider.cloudflare)
   final DnsProvider provider;
 
   @override
@@ -28,7 +28,7 @@ class ServerDomain {
 @HiveType(typeId: 100)
 enum DnsProvider {
   @HiveField(0)
-  Unknown,
+  unknown,
   @HiveField(1)
-  Cloudflare,
+  cloudflare,
 }

lib/logic/models/hive/server_domain.g.dart

@@ -20,7 +20,7 @@ class ServerDomainAdapter extends TypeAdapter<ServerDomain> {
       domainName: fields[0] as String,
       zoneId: fields[1] as String,
       provider:
-          fields[2] == null ? DnsProvider.Cloudflare : fields[2] as DnsProvider,
+          fields[2] == null ? DnsProvider.cloudflare : fields[2] as DnsProvider,
     );
   }
 
@@ -55,21 +55,21 @@ class DnsProviderAdapter extends TypeAdapter<DnsProvider> {
   DnsProvider read(BinaryReader reader) {
     switch (reader.readByte()) {
       case 0:
-        return DnsProvider.Unknown;
+        return DnsProvider.unknown;
       case 1:
-        return DnsProvider.Cloudflare;
+        return DnsProvider.cloudflare;
       default:
-        return DnsProvider.Unknown;
+        return DnsProvider.unknown;
     }
   }
 
   @override
   void write(BinaryWriter writer, DnsProvider obj) {
     switch (obj) {
-      case DnsProvider.Unknown:
+      case DnsProvider.unknown:
         writer.writeByte(0);
         break;
-      case DnsProvider.Cloudflare:
+      case DnsProvider.cloudflare:
         writer.writeByte(1);
         break;
     }

lib/logic/models/hive/user.dart

@@ -8,7 +8,7 @@ part 'user.g.dart';
 
 @HiveType(typeId: 1)
 class User extends Equatable {
-  User({
+  const User({
     required this.login,
     this.password,
     this.sshKeys = const [],
@@ -22,7 +22,7 @@ class User extends Equatable {
   @HiveField(1)
   final String? password;
 
-  @HiveField(2, defaultValue: const [])
+  @HiveField(2, defaultValue: [])
   final List<String> sshKeys;
 
   @HiveField(3, defaultValue: true)
@@ -36,6 +36,7 @@ class User extends Equatable {
 
   Color get color => stringToColor(login);
 
+  @override
   String toString() {
     return '$login, ${isFoundOnServer ? 'found' : 'not found'}, ${sshKeys.length} ssh keys, note: $note';
   }

lib/logic/models/job.dart

@@ -71,7 +71,7 @@ class CreateSSHKeyJob extends Job {
   CreateSSHKeyJob({
     required this.user,
     required this.publicKey,
-  }) : super(title: '${"jobs.create_ssh_key".tr(args: [user.login])}');
+  }) : super(title: 'jobs.create_ssh_key'.tr(args: [user.login]));
 
   final User user;
   final String publicKey;
@@ -84,7 +84,7 @@ class DeleteSSHKeyJob extends Job {
   DeleteSSHKeyJob({
     required this.user,
     required this.publicKey,
-  }) : super(title: '${"jobs.delete_ssh_key".tr(args: [user.login])}');
+  }) : super(title: 'jobs.delete_ssh_key'.tr(args: [user.login]));
 
   final User user;
   final String publicKey;

lib/logic/models/json/api_token.dart

@@ -7,12 +7,13 @@ class ApiToken {
   ApiToken({
     required this.name,
     required this.date,
-    required this.is_caller,
+    required this.isCaller,
   });
 
   final String name;
   final DateTime date;
-  final bool is_caller;
+  @JsonKey(name: 'is_caller')
+  final bool isCaller;
 
   factory ApiToken.fromJson(Map<String, dynamic> json) =>
       _$ApiTokenFromJson(json);

lib/logic/models/json/api_token.g.dart

@@ -9,5 +9,5 @@ part of 'api_token.dart';
 ApiToken _$ApiTokenFromJson(Map<String, dynamic> json) => ApiToken(
       name: json['name'] as String,
       date: DateTime.parse(json['date'] as String),
-      is_caller: json['is_caller'] as bool,
+      isCaller: json['is_caller'] as bool,
     );

lib/logic/models/json/auto_upgrade_settings.dart

@@ -8,7 +8,7 @@ class AutoUpgradeSettings extends Equatable {
   final bool enable;
   final bool allowReboot;
 
-  AutoUpgradeSettings({
+  const AutoUpgradeSettings({
     required this.enable,
     required this.allowReboot,
   });

lib/logic/models/json/recovery_token_status.dart

@@ -5,7 +5,7 @@ part 'recovery_token_status.g.dart';
 
 @JsonSerializable()
 class RecoveryKeyStatus extends Equatable {
-  RecoveryKeyStatus({
+  const RecoveryKeyStatus({
     required this.exists,
     required this.valid,
     this.date,

lib/logic/models/message.dart

@@ -1,6 +1,6 @@
 import 'package:intl/intl.dart';
 
-final formatter = new DateFormat('hh:mm');
+final formatter = DateFormat('hh:mm');
 
 class Message {
   Message({this.text, this.type = MessageType.normal}) : time = DateTime.now();

lib/main.dart

@@ -85,9 +85,9 @@ class MyApp extends StatelessWidget {
                     appSettings.isDarkModeOn ? ThemeMode.dark : ThemeMode.light,
                 home: appSettings.isOnboardingShowing
                     ? OnboardingPage(nextPage: InitializingPage())
-                    : RootPage(),
+                    : const RootPage(),
                 builder: (BuildContext context, Widget? widget) {
-                  Widget error = Text('...rendering error...');
+                  Widget error = const Text('...rendering error...');
                   if (widget is Scaffold || widget is Navigator) {
                     error = Scaffold(body: Center(child: error));
                   }

lib/theming/factory/app_theme_factory.dart

@@ -18,7 +18,7 @@ abstract class AppThemeFactory {
   }
 
   static Future<ThemeData> _createAppTheme({
-    bool isDark: false,
+    bool isDark = false,
     required Color fallbackColor,
   }) async {
     ColorScheme? gtkColorsScheme;
@@ -39,12 +39,12 @@ abstract class AppThemeFactory {
       );
     }
 
-    final accentColor = await SystemAccentColor(fallbackColor);
+    final accentColor = SystemAccentColor(fallbackColor);
 
     try {
       await accentColor.load();
     } on MissingPluginException catch (e) {
-      print("_createAppTheme: ${e.message}");
+      print('_createAppTheme: ${e.message}');
     }
 
     final fallbackColorScheme = ColorScheme.fromSeed(

lib/ui/components/action_button/action_button.dart

@@ -20,7 +20,7 @@ class ActionButton extends StatelessWidget {
     return TextButton(
       child: Text(
         text!,
-        style: isRed ? TextStyle(color: BrandColors.red1) : null,
+        style: isRed ? const TextStyle(color: BrandColors.red1) : null,
       ),
       onPressed: () {
         navigator.pop();

lib/ui/components/brand_bottom_sheet/brand_bottom_sheet.dart

@@ -44,9 +44,9 @@ class BrandBottomSheet extends StatelessWidget {
               ),
             ),
           ),
-          SizedBox(height: 6),
+          const SizedBox(height: 6),
           ClipRRect(
-            borderRadius: BorderRadius.vertical(top: Radius.circular(20)),
+            borderRadius: const BorderRadius.vertical(top: Radius.circular(20)),
             child: ConstrainedBox(
               constraints: BoxConstraints(maxHeight: mainHeight),
               child: innerWidget,

lib/ui/components/brand_button/brand_button.dart

@@ -14,7 +14,7 @@ class BrandButton {
     assert(text == null || child == null, 'required title or child');
     assert(text != null || child != null, 'required title or child');
     return ConstrainedBox(
-      constraints: BoxConstraints(
+      constraints: const BoxConstraints(
         minHeight: 48,
         minWidth: double.infinity,
       ),
@@ -33,7 +33,7 @@ class BrandButton {
     required String title,
   }) =>
       ConstrainedBox(
-        constraints: BoxConstraints(
+        constraints: const BoxConstraints(
           minHeight: 48,
           minWidth: double.infinity,
         ),

lib/ui/components/brand_button/filled_button.dart

@@ -16,11 +16,11 @@ class FilledButton extends StatelessWidget {
   Widget build(BuildContext context) {
     return ElevatedButton(
       onPressed: onPressed,
-      child: child ?? Text(title ?? ''),
       style: ElevatedButton.styleFrom(
         onPrimary: Theme.of(context).colorScheme.onPrimary,
         primary: Theme.of(context).colorScheme.primary,
       ).copyWith(elevation: ButtonStyleButton.allOrNull(0.0)),
+      child: child ?? Text(title ?? ''),
     );
   }
 }

lib/ui/components/brand_cards/brand_cards.dart

@@ -3,22 +3,22 @@ import 'package:selfprivacy/config/brand_colors.dart';
 
 class BrandCards {
   static Widget big({required Widget child}) => _BrandCard(
-        child: child,
+        padding: const EdgeInsets.symmetric(
-        padding: EdgeInsets.symmetric(
           horizontal: 20,
           vertical: 15,
         ),
         shadow: bigShadow,
         borderRadius: BorderRadius.circular(20),
+        child: child,
       );
   static Widget small({required Widget child}) => _BrandCard(
-        child: child,
+        padding: const EdgeInsets.symmetric(
-        padding: EdgeInsets.symmetric(
           horizontal: 15,
           vertical: 10,
         ),
         shadow: bigShadow,
         borderRadius: BorderRadius.circular(10),
+        child: child,
       );
   static Widget outlined({required Widget child}) => _OutlinedCard(
         child: child,
@@ -70,7 +70,7 @@ class _OutlinedCard extends StatelessWidget {
     return Card(
       elevation: 0.0,
       shape: RoundedRectangleBorder(
-        borderRadius: BorderRadius.all(Radius.circular(12)),
+        borderRadius: const BorderRadius.all(Radius.circular(12)),
         side: BorderSide(
           color: Theme.of(context).colorScheme.outline,
         ),
@@ -92,19 +92,19 @@ class _FilledCard extends StatelessWidget {
   Widget build(BuildContext context) {
     return Card(
       elevation: 0.0,
-      shape: RoundedRectangleBorder(
+      shape: const RoundedRectangleBorder(
         borderRadius: BorderRadius.all(Radius.circular(12)),
       ),
       clipBehavior: Clip.antiAlias,
-      child: child,
       color: Theme.of(context).colorScheme.surfaceVariant,
+      child: child,
     );
   }
 }
 
 final bigShadow = [
   BoxShadow(
-    offset: Offset(0, 4),
+    offset: const Offset(0, 4),
     blurRadius: 8,
     color: Colors.black.withOpacity(.08),
   )

lib/ui/components/brand_header/brand_header.dart

@@ -6,7 +6,7 @@ import 'package:selfprivacy/ui/components/pre_styled_buttons/pre_styled_buttons.
 class BrandHeader extends StatelessWidget {
   const BrandHeader({
     Key? key,
-    this.title = "",
+    this.title = '',
     this.hasBackButton = false,
     this.hasFlashButton = false,
     this.onBackButtonPressed,
@@ -25,22 +25,20 @@ class BrandHeader extends StatelessWidget {
       padding: EdgeInsets.only(
         left: hasBackButton ? 1 : 15,
       ),
-      child: Container(
+      child: Row(
-        child: Row(
+        children: [
-          children: [
+          if (hasBackButton) ...[
-            if (hasBackButton) ...[
+            IconButton(
-              IconButton(
+              icon: const Icon(BrandIcons.arrowLeft),
-                icon: Icon(BrandIcons.arrow_left),
+              onPressed:
-                onPressed:
+                  onBackButtonPressed ?? () => Navigator.of(context).pop(),
-                    onBackButtonPressed ?? () => Navigator.of(context).pop(),
+            ),
-              ),
+            const SizedBox(width: 10),
-              SizedBox(width: 10),
-            ],
-            BrandText.h4(title),
-            Spacer(),
-            if (hasFlashButton) PreStyledButtons.flash(),
           ],
-        ),
+          BrandText.h4(title),
+          const Spacer(),
+          if (hasFlashButton) PreStyledButtons.flash(),
+        ],
       ),
     );
   }

lib/ui/components/brand_hero_screen/brand_hero_screen.dart

@@ -28,7 +28,7 @@ class BrandHeroScreen extends StatelessWidget {
     return SafeArea(
       child: Scaffold(
         appBar: PreferredSize(
-          preferredSize: Size.fromHeight(52.0),
+          preferredSize: const Size.fromHeight(52.0),
           child: BrandHeader(
             title: headerTitle,
             hasBackButton: hasBackButton,
@@ -37,29 +37,29 @@ class BrandHeroScreen extends StatelessWidget {
           ),
         ),
         body: ListView(
-          padding: EdgeInsets.all(16.0),
+          padding: const EdgeInsets.all(16.0),
           children: <Widget>[
             if (heroIcon != null)
               Container(
+                alignment: Alignment.bottomLeft,
                 child: Icon(
                   heroIcon,
                   size: 48.0,
                 ),
-                alignment: Alignment.bottomLeft,
               ),
-            SizedBox(height: 8.0),
+            const SizedBox(height: 8.0),
             if (heroTitle != null)
               Text(
                 heroTitle!,
                 style: Theme.of(context).textTheme.headlineMedium,
                 textAlign: TextAlign.start,
               ),
-            SizedBox(height: 8.0),
+            const SizedBox(height: 8.0),
             if (heroSubtitle != null)
               Text(heroSubtitle!,
                   style: Theme.of(context).textTheme.bodyMedium,
                   textAlign: TextAlign.start),
-            SizedBox(height: 16.0),
+            const SizedBox(height: 16.0),
             ...children,
           ],
         ),

lib/ui/components/brand_icons/brand_icons.dart

@@ -67,7 +67,7 @@ class BrandIcons {
       IconData(0xe815, fontFamily: _kFontFam, fontPackage: _kFontPkg);
   static const IconData upload =
       IconData(0xe816, fontFamily: _kFontFam, fontPackage: _kFontPkg);
-  static const IconData arrow_left =
+  static const IconData arrowLeft =
       IconData(0xe818, fontFamily: _kFontFam, fontPackage: _kFontPkg);
   static const IconData shape =
       IconData(0xe819, fontFamily: _kFontFam, fontPackage: _kFontPkg);

lib/ui/components/brand_loader/brand_loader.dart

@@ -12,8 +12,8 @@ class _HorizontalLoader extends StatelessWidget {
       mainAxisSize: MainAxisSize.min,
       children: [
         Text('basis.wait'.tr()),
-        SizedBox(height: 10),
+        const SizedBox(height: 10),
-        LinearProgressIndicator(minHeight: 3),
+        const LinearProgressIndicator(minHeight: 3),
       ],
     );
   }

lib/ui/components/brand_radio/brand_radio.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:selfprivacy/config/brand_colors.dart';
 
 class BrandRadio extends StatelessWidget {
-  BrandRadio({
+  const BrandRadio({
     Key? key,
     required this.isChecked,
   }) : super(key: key);
@@ -15,7 +15,7 @@ class BrandRadio extends StatelessWidget {
       height: 20,
       width: 20,
       alignment: Alignment.center,
-      padding: EdgeInsets.all(2),
+      padding: const EdgeInsets.all(2),
       decoration: BoxDecoration(
         shape: BoxShape.circle,
         border: _getBorder(),
@@ -24,7 +24,7 @@ class BrandRadio extends StatelessWidget {
           ? Container(
               height: 10,
               width: 10,
-              decoration: BoxDecoration(
+              decoration: const BoxDecoration(
                 shape: BoxShape.circle,
                 color: BrandColors.primary,
               ),

lib/ui/components/brand_radio_tile/brand_radio_tile.dart

@@ -21,13 +21,13 @@ class BrandRadioTile extends StatelessWidget {
       onTap: onPress,
       behavior: HitTestBehavior.translucent,
       child: Padding(
-        padding: EdgeInsets.all(2),
+        padding: const EdgeInsets.all(2),
         child: Row(
           children: [
             BrandRadio(
               isChecked: isChecked,
             ),
-            SizedBox(width: 9),
+            const SizedBox(width: 9),
             BrandText.h5(text)
           ],
         ),

lib/ui/components/brand_span_button/brand_span_button.dart

@@ -11,7 +11,7 @@ class BrandSpanButton extends TextSpan {
   }) : super(
           recognizer: TapGestureRecognizer()..onTap = onTap,
           text: text,
-          style: (style ?? TextStyle()).copyWith(color: BrandColors.blue),
+          style: (style ?? const TextStyle()).copyWith(color: BrandColors.blue),
         );
 
   static link({

lib/ui/components/brand_tab_bar/brand_tab_bar.dart

@@ -3,7 +3,7 @@ import 'package:flutter/material.dart';
 import 'package:selfprivacy/ui/components/brand_icons/brand_icons.dart';
 
 class BrandTabBar extends StatefulWidget {
-  BrandTabBar({Key? key, this.controller}) : super(key: key);
+  const BrandTabBar({Key? key, this.controller}) : super(key: key);
 
   final TabController? controller;
   @override

lib/ui/components/brand_timer/brand_timer.dart

@@ -31,7 +31,7 @@ class _BrandTimerState extends State<BrandTimer> {
 
   _timerStart() {
     _timeString = differenceFromStart;
-    timer = Timer.periodic(Duration(seconds: 1), (Timer t) {
+    timer = Timer.periodic(const Duration(seconds: 1), (Timer t) {
       var timePassed = DateTime.now().difference(widget.startDateTime);
       if (timePassed > widget.duration) {
         t.cancel();
@@ -54,7 +54,7 @@ class _BrandTimerState extends State<BrandTimer> {
   Widget build(BuildContext context) {
     return BrandText.medium(
       _timeString,
-      style: TextStyle(
+      style: const TextStyle(
         fontWeight: NamedFontWeight.demiBold,
       ),
     );
@@ -71,10 +71,10 @@ class _BrandTimerState extends State<BrandTimer> {
 
   String _durationToString(Duration duration) {
     var timeLeft = widget.duration - duration;
-    String twoDigits(int n) => n.toString().padLeft(2, "0");
+    String twoDigits(int n) => n.toString().padLeft(2, '0');
     String twoDigitSeconds = twoDigits(timeLeft.inSeconds);
 
-    return "timer.sec".tr(args: [twoDigitSeconds]);
+    return 'timer.sec'.tr(args: [twoDigitSeconds]);
   }
 
   @override

lib/ui/components/dots_indicator/dots_indicator.dart

@@ -16,7 +16,7 @@ class DotsIndicator extends StatelessWidget {
     var dots = List.generate(
       count,
       (index) => Container(
-        margin: EdgeInsets.symmetric(horizontal: 5, vertical: 10),
+        margin: const EdgeInsets.symmetric(horizontal: 5, vertical: 10),
         height: 10,
         width: 10,
         decoration: BoxDecoration(

lib/ui/components/error/error.dart

@@ -16,7 +16,7 @@ class BrandError extends StatelessWidget {
               crossAxisAlignment: CrossAxisAlignment.center,
               children: [
                 Text(error.toString()),
-                Text('stackTrace: '),
+                const Text('stackTrace: '),
                 Text(stackTrace.toString()),
               ],
             ),

lib/ui/components/icon_status_mask/icon_status_mask.dart

@@ -3,7 +3,7 @@ import 'package:selfprivacy/config/brand_colors.dart';
 import 'package:selfprivacy/logic/models/state_types.dart';
 
 class IconStatusMask extends StatelessWidget {
-  IconStatusMask({required this.child, required this.status});
+  const IconStatusMask({required this.child, required this.status});
   final Icon child;
 
   final StateType status;
@@ -24,8 +24,8 @@ class IconStatusMask extends StatelessWidget {
     }
     return ShaderMask(
       shaderCallback: (bounds) => LinearGradient(
-        begin: Alignment(-1, -0.8),
+        begin: const Alignment(-1, -0.8),
-        end: Alignment(0.9, 0.9),
+        end: const Alignment(0.9, 0.9),
         colors: colors,
         tileMode: TileMode.mirror,
       ).createShader(bounds),

lib/ui/components/jobs_content/jobs_content.dart

@@ -24,19 +24,19 @@ class JobsContent extends StatelessWidget {
         var installationState = context.read<ServerInstallationCubit>().state;
         if (state is JobsStateEmpty) {
           widgets = [
-            SizedBox(height: 80),
+            const SizedBox(height: 80),
             Center(child: BrandText.body1('jobs.empty'.tr())),
           ];
 
           if (installationState is ServerInstallationFinished) {
             widgets = [
               ...widgets,
-              SizedBox(height: 80),
+              const SizedBox(height: 80),
               BrandButton.rised(
                 onPressed: () => context.read<JobsCubit>().upgradeServer(),
                 text: 'jobs.upgradeServer'.tr(),
               ),
-              SizedBox(height: 10),
+              const SizedBox(height: 10),
               BrandButton.text(
                 onPressed: () {
                   var nav = getIt<NavigationService>();
@@ -61,7 +61,7 @@ class JobsContent extends StatelessWidget {
           }
         } else if (state is JobsStateLoading) {
           widgets = [
-            SizedBox(height: 80),
+            const SizedBox(height: 80),
             BrandLoader.horizontal(),
           ];
         } else if (state is JobsStateWithJobs) {
@@ -75,7 +75,7 @@ class JobsContent extends StatelessWidget {
                           child: Text(j.title),
                         ),
                       ),
-                      SizedBox(width: 10),
+                      const SizedBox(width: 10),
                       ElevatedButton(
                         style: ElevatedButton.styleFrom(
                           primary: BrandColors.red1,
@@ -91,7 +91,7 @@ class JobsContent extends StatelessWidget {
                   ),
                 )
                 .toList(),
-            SizedBox(height: 20),
+            const SizedBox(height: 20),
             BrandButton.rised(
               onPressed: () => context.read<JobsCubit>().applyAll(),
               text: 'jobs.start'.tr(),
@@ -101,13 +101,13 @@ class JobsContent extends StatelessWidget {
         return ListView(
           padding: paddingH15V0,
           children: [
-            SizedBox(height: 15),
+            const SizedBox(height: 15),
             Center(
               child: BrandText.h2(
                 'jobs.title'.tr(),
               ),
             ),
-            SizedBox(height: 20),
+            const SizedBox(height: 20),
             ...widgets
           ],
         );

lib/ui/components/not_ready_card/not_ready_card.dart

@@ -11,7 +11,7 @@ class NotReadyCard extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return Container(
-      padding: EdgeInsets.symmetric(horizontal: 15, vertical: 10),
+      padding: const EdgeInsets.symmetric(horizontal: 15, vertical: 10),
       decoration: BoxDecoration(
           borderRadius: BorderRadius.circular(15), color: BrandColors.gray6),
       child: RichText(
@@ -19,7 +19,7 @@ class NotReadyCard extends StatelessWidget {
           children: [
             TextSpan(
               text: 'not_ready_card.1'.tr(),
-              style: TextStyle(color: BrandColors.white),
+              style: const TextStyle(color: BrandColors.white),
             ),
             WidgetSpan(
               child: Padding(
@@ -44,7 +44,7 @@ class NotReadyCard extends StatelessWidget {
             ),
             TextSpan(
               text: 'not_ready_card.3'.tr(),
-              style: TextStyle(color: BrandColors.white),
+              style: const TextStyle(color: BrandColors.white),
             ),
           ],
         ),

lib/ui/components/one_page/one_page.dart

@@ -18,18 +18,18 @@ class OnePage extends StatelessWidget {
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: PreferredSize(
+        preferredSize: const Size.fromHeight(52),
         child: Column(
           children: [
             Container(
               height: 51,
               alignment: Alignment.center,
-              padding: EdgeInsets.symmetric(horizontal: 15),
+              padding: const EdgeInsets.symmetric(horizontal: 15),
               child: BrandText.h4('basis.details'.tr()),
             ),
-            BrandDivider(),
+            const BrandDivider(),
           ],
         ),
-        preferredSize: Size.fromHeight(52),
       ),
       body: child,
       bottomNavigationBar: SafeArea(

lib/ui/components/pre_styled_buttons/close.dart

@@ -13,7 +13,7 @@ class _CloseButton extends StatelessWidget {
         mainAxisSize: MainAxisSize.min,
         children: [
           BrandText.h4('basis.close'.tr()),
-          Icon(Icons.close),
+          const Icon(Icons.close),
         ],
       ),
     );

lib/ui/components/pre_styled_buttons/flash.dart

@@ -1,7 +1,7 @@
 part of 'pre_styled_buttons.dart';
 
 class _BrandFlashButton extends StatefulWidget {
-  _BrandFlashButton({Key? key}) : super(key: key);
+  const _BrandFlashButton({Key? key}) : super(key: key);
 
   @override
   _BrandFlashButtonState createState() => _BrandFlashButtonState();
@@ -14,8 +14,8 @@ class _BrandFlashButtonState extends State<_BrandFlashButton>
 
   @override
   void initState() {
-    _animationController =
+    _animationController = AnimationController(
-        AnimationController(vsync: this, duration: Duration(milliseconds: 800));
+        vsync: this, duration: const Duration(milliseconds: 800));
     _colorTween = ColorTween(
       begin: BrandColors.black,
       end: BrandColors.primary,
@@ -61,7 +61,7 @@ class _BrandFlashButtonState extends State<_BrandFlashButton>
         onPressed: () {
           showBrandBottomSheet(
             context: context,
-            builder: (context) => BrandBottomSheet(
+            builder: (context) => const BrandBottomSheet(
               isExpended: true,
               child: JobsContent(),
             ),

lib/ui/components/pre_styled_buttons/flash_fab.dart

@@ -8,7 +8,7 @@ import 'package:selfprivacy/ui/components/jobs_content/jobs_content.dart';
 import 'package:selfprivacy/ui/helpers/modals.dart';
 
 class BrandFab extends StatefulWidget {
-  BrandFab({Key? key}) : super(key: key);
+  const BrandFab({Key? key}) : super(key: key);
 
   @override
   _BrandFabState createState() => _BrandFabState();
@@ -21,8 +21,8 @@ class _BrandFabState extends State<BrandFab>
 
   @override
   void initState() {
-    _animationController =
+    _animationController = AnimationController(
-        AnimationController(vsync: this, duration: Duration(milliseconds: 800));
+        vsync: this, duration: const Duration(milliseconds: 800));
     _colorTween = ColorTween(
       begin: BrandColors.black,
       end: BrandColors.primary,
@@ -68,7 +68,7 @@ class _BrandFabState extends State<BrandFab>
         onPressed: () {
           showBrandBottomSheet(
             context: context,
-            builder: (context) => BrandBottomSheet(
+            builder: (context) => const BrandBottomSheet(
               isExpended: true,
               child: JobsContent(),
             ),

lib/ui/components/pre_styled_buttons/pre_styled_buttons.dart

@@ -18,5 +18,5 @@ class PreStyledButtons {
   }) =>
       _CloseButton(onPress: onPress);
 
-  static Widget flash() => _BrandFlashButton();
+  static Widget flash() => const _BrandFlashButton();
 }

lib/ui/components/progress_bar/progress_bar.dart

@@ -6,7 +6,7 @@ import 'package:selfprivacy/ui/components/brand_icons/brand_icons.dart';
 import 'package:selfprivacy/ui/components/brand_text/brand_text.dart';
 
 class ProgressBar extends StatefulWidget {
-  ProgressBar({
+  const ProgressBar({
     Key? key,
     required this.steps,
     required this.activeIndex,
@@ -49,12 +49,12 @@ class _ProgressBarState extends State<ProgressBar> {
 
     odd.insert(
       0,
-      SizedBox(
+      const SizedBox(
         width: 10,
       ),
     );
     odd.add(
-      SizedBox(
+      const SizedBox(
         width: 20,
       ),
     );
@@ -63,12 +63,12 @@ class _ProgressBarState extends State<ProgressBar> {
       crossAxisAlignment: CrossAxisAlignment.start,
       children: [
         BrandText.h2('Progress'),
-        SizedBox(height: 10),
+        const SizedBox(height: 10),
         Row(
-          children: even,
           mainAxisAlignment: MainAxisAlignment.spaceBetween,
+          children: even,
         ),
-        SizedBox(height: 7),
+        const SizedBox(height: 7),
         Container(
           alignment: Alignment.centerLeft,
           decoration: BoxDecoration(
@@ -82,23 +82,23 @@ class _ProgressBarState extends State<ProgressBar> {
                 height: 5,
                 decoration: BoxDecoration(
                   borderRadius: BorderRadius.circular(5),
-                  gradient: LinearGradient(
+                  gradient: const LinearGradient(
                     begin: Alignment.topLeft,
                     end: Alignment.bottomRight,
                     colors: BrandColors.stableGradientColors,
                   ),
                 ),
-                duration: Duration(
+                duration: const Duration(
                   milliseconds: 300,
                 ),
               );
             },
           ),
         ),
-        SizedBox(height: 5),
+        const SizedBox(height: 5),
         Row(
-          children: odd,
           mainAxisAlignment: MainAxisAlignment.spaceBetween,
+          children: odd,
         ),
       ],
     );
@@ -114,7 +114,7 @@ class _ProgressBarState extends State<ProgressBar> {
 
     style = isActive ? style!.copyWith(fontWeight: FontWeight.w700) : style;
     return Container(
-      padding: EdgeInsets.only(left: 10),
+      padding: const EdgeInsets.only(left: 10),
       height: 20,
       alignment: Alignment.center,
       child: RichText(
@@ -123,9 +123,9 @@ class _ProgressBarState extends State<ProgressBar> {
           style: progressTextStyleLight,
           children: [
             checked
-                ? WidgetSpan(
+                ? const WidgetSpan(
                     child: Padding(
-                    padding: const EdgeInsets.only(bottom: 2, right: 2),
+                    padding: EdgeInsets.only(bottom: 2, right: 2),
                     child: Icon(BrandIcons.check, size: 11),
                   ))
                 : TextSpan(text: '${index + 1}.', style: style),

lib/ui/components/switch_block/switch_bloc.dart

@@ -16,8 +16,8 @@ class SwitcherBlock extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return Container(
-      padding: EdgeInsets.only(top: 20, bottom: 5),
+      padding: const EdgeInsets.only(top: 20, bottom: 5),
-      decoration: BoxDecoration(
+      decoration: const BoxDecoration(
           border: Border(
         bottom: BorderSide(width: 1, color: BrandColors.dividerColor),
       )),
@@ -26,7 +26,7 @@ class SwitcherBlock extends StatelessWidget {
         mainAxisAlignment: MainAxisAlignment.spaceBetween,
         children: [
           Flexible(child: child),
-          SizedBox(width: 5),
+          const SizedBox(width: 5),
           Switch(
             activeColor: BrandColors.green1,
             activeTrackColor: BrandColors.green2,

lib/ui/helpers/modals.dart

@@ -9,6 +9,6 @@ Future<T?> showBrandBottomSheet<T>({
       builder: builder,
       barrierColor: Colors.black45,
       context: context,
-      shadow: BoxShadow(color: Colors.transparent),
+      shadow: const BoxShadow(color: Colors.transparent),
       backgroundColor: Colors.transparent,
     );

lib/ui/pages/backup_details/backup_details.dart

@@ -72,7 +72,7 @@ class _BackupDetailsState extends State<BackupDetails>
                         : () async {
                             await context.read<BackupsCubit>().createBackup();
                           },
-                    leading: Icon(
+                    leading: const Icon(
                       Icons.add_circle_outline_rounded,
                     ),
                     title: Text(
@@ -105,7 +105,7 @@ class _BackupDetailsState extends State<BackupDetails>
                   ),
                 if (backupStatus == BackupStatusEnum.error)
                   ListTile(
-                    leading: Icon(
+                    leading: const Icon(
                       Icons.error_outline,
                       color: BrandColors.red1,
                     ),
@@ -117,7 +117,7 @@ class _BackupDetailsState extends State<BackupDetails>
               ],
             ),
           ),
-        SizedBox(height: 16),
+        const SizedBox(height: 16),
         // Card with a list of existing backups
         // Each list item has a date
         // When clicked, starts the restore action
@@ -128,7 +128,7 @@ class _BackupDetailsState extends State<BackupDetails>
               crossAxisAlignment: CrossAxisAlignment.start,
               children: [
                 ListTile(
-                  leading: Icon(
+                  leading: const Icon(
                     Icons.refresh,
                   ),
                   title: Text(
@@ -136,12 +136,12 @@ class _BackupDetailsState extends State<BackupDetails>
                     style: Theme.of(context).textTheme.headline6,
                   ),
                 ),
-                Divider(
+                const Divider(
                   height: 1.0,
                 ),
                 if (backups.isEmpty)
                   ListTile(
-                    leading: Icon(
+                    leading: const Icon(
                       Icons.error_outline,
                     ),
                     title: Text('providers.backup.no_backups'.tr()),
@@ -174,11 +174,7 @@ class _BackupDetailsState extends State<BackupDetails>
                                 ));
                               },
                         title: Text(
-                          MaterialLocalizations.of(context)
+                          '${MaterialLocalizations.of(context).formatShortDate(backup.time)} ${TimeOfDay.fromDateTime(backup.time).format(context)}',
-                                  .formatShortDate(backup.time) +
-                              ' ' +
-                              TimeOfDay.fromDateTime(backup.time)
-                                  .format(context),
                         ),
                       );
                     }).toList(),
@@ -186,7 +182,7 @@ class _BackupDetailsState extends State<BackupDetails>
               ],
             ),
           ),
-        SizedBox(height: 16),
+        const SizedBox(height: 16),
         BrandCards.outlined(
           child: Column(
             crossAxisAlignment: CrossAxisAlignment.start,
@@ -203,7 +199,7 @@ class _BackupDetailsState extends State<BackupDetails>
               if (providerState != StateType.uninitialized)
                 Column(
                   children: [
-                    Divider(
+                    const Divider(
                       height: 1.0,
                     ),
                     ListTile(
@@ -218,7 +214,7 @@ class _BackupDetailsState extends State<BackupDetails>
                                     .forceUpdateBackups()
                               },
                     ),
-                    Divider(
+                    const Divider(
                       height: 1.0,
                     ),
                     ListTile(

lib/ui/pages/dns_details/dns_details.dart

@@ -16,26 +16,26 @@ class _DnsDetailsPageState extends State<DnsDetailsPage> {
   Widget _getStateCard(DnsRecordsStatus dnsState, Function fixCallback) {
     var description = '';
     var subtitle = '';
-    var icon = Icon(
+    var icon = const Icon(
       Icons.check,
       color: Colors.green,
     );
     switch (dnsState) {
       case DnsRecordsStatus.uninitialized:
         description = 'providers.domain.states.uninitialized'.tr();
-        icon = Icon(
+        icon = const Icon(
           Icons.refresh,
         );
         break;
       case DnsRecordsStatus.refreshing:
         description = 'providers.domain.states.refreshing'.tr();
-        icon = Icon(
+        icon = const Icon(
           Icons.refresh,
         );
         break;
       case DnsRecordsStatus.good:
         description = 'providers.domain.states.ok'.tr();
-        icon = Icon(
+        icon = const Icon(
           Icons.check,
           color: Colors.green,
         );
@@ -43,7 +43,7 @@ class _DnsDetailsPageState extends State<DnsDetailsPage> {
       case DnsRecordsStatus.error:
         description = 'providers.domain.states.error'.tr();
         subtitle = 'providers.domain.states.error_subtitle'.tr();
-        icon = Icon(
+        icon = const Icon(
           Icons.error,
           color: Colors.red,
         );
@@ -104,7 +104,7 @@ class _DnsDetailsPageState extends State<DnsDetailsPage> {
           ),
         ),
 
-        SizedBox(height: 16.0),
+        const SizedBox(height: 16.0),
         // Outlined card with a list of A records and their
         // status.
         BrandCards.outlined(
@@ -128,7 +128,7 @@ class _DnsDetailsPageState extends State<DnsDetailsPage> {
                   .map(
                     (dnsRecord) => Column(
                       children: [
-                        Divider(
+                        const Divider(
                           height: 1.0,
                         ),
                         ListTile(
@@ -162,7 +162,7 @@ class _DnsDetailsPageState extends State<DnsDetailsPage> {
             ],
           ),
         ),
-        SizedBox(height: 16.0),
+        const SizedBox(height: 16.0),
         BrandCards.outlined(
           child: Column(
             children: <Widget>[
@@ -184,7 +184,7 @@ class _DnsDetailsPageState extends State<DnsDetailsPage> {
                   .map(
                     (dnsRecord) => Column(
                       children: [
-                        Divider(
+                        const Divider(
                           height: 1.0,
                         ),
                         ListTile(

lib/ui/pages/more/about/about.dart

@@ -11,14 +11,12 @@ class AboutPage extends StatelessWidget {
     return SafeArea(
       child: Scaffold(
         appBar: PreferredSize(
+          preferredSize: const Size.fromHeight(52),
           child: BrandHeader(
               title: 'more.about_project'.tr(), hasBackButton: true),
-          preferredSize: Size.fromHeight(52),
         ),
-        body: Container(
+        body: const BrandMarkdown(
-          child: BrandMarkdown(
+          fileName: 'about',
-            fileName: 'about',
-          ),
         ),
       ),
     );

lib/ui/pages/more/app_settings/app_setting.dart

@@ -28,17 +28,17 @@ class _AppSettingsPageState extends State<AppSettingsPage> {
       child: Builder(builder: (context) {
         return Scaffold(
           appBar: PreferredSize(
+            preferredSize: const Size.fromHeight(52),
             child: BrandHeader(
                 title: 'more.settings.title'.tr(), hasBackButton: true),
-            preferredSize: Size.fromHeight(52),
           ),
           body: ListView(
             padding: paddingH15V0,
             children: [
-              BrandDivider(),
+              const BrandDivider(),
               Container(
-                padding: EdgeInsets.only(top: 20, bottom: 5),
+                padding: const EdgeInsets.only(top: 20, bottom: 5),
-                decoration: BoxDecoration(
+                decoration: const BoxDecoration(
                     border: Border(
                   bottom: BorderSide(width: 1, color: BrandColors.dividerColor),
                 )),
@@ -52,7 +52,7 @@ class _AppSettingsPageState extends State<AppSettingsPage> {
                         value: 'more.settings.2'.tr(),
                       ),
                     ),
-                    SizedBox(width: 5),
+                    const SizedBox(width: 5),
                     BrandSwitch(
                       value: Theme.of(context).brightness == Brightness.dark,
                       onChanged: (value) => context
@@ -63,8 +63,8 @@ class _AppSettingsPageState extends State<AppSettingsPage> {
                 ),
               ),
               Container(
-                padding: EdgeInsets.only(top: 20, bottom: 5),
+                padding: const EdgeInsets.only(top: 20, bottom: 5),
-                decoration: BoxDecoration(
+                decoration: const BoxDecoration(
                     border: Border(
                   bottom: BorderSide(width: 1, color: BrandColors.dividerColor),
                 )),
@@ -78,14 +78,14 @@ class _AppSettingsPageState extends State<AppSettingsPage> {
                         value: 'more.settings.4'.tr(),
                       ),
                     ),
-                    SizedBox(width: 5),
+                    const SizedBox(width: 5),
                     ElevatedButton(
                       style: ElevatedButton.styleFrom(
                         primary: BrandColors.red1,
                       ),
                       child: Text(
                         'basis.reset'.tr(),
-                        style: TextStyle(
+                        style: const TextStyle(
                           color: BrandColors.white,
                           fontWeight: NamedFontWeight.demiBold,
                         ),
@@ -131,8 +131,8 @@ class _AppSettingsPageState extends State<AppSettingsPage> {
     var isDisabled =
         context.watch<ServerInstallationCubit>().state.serverDetails == null;
     return Container(
-      padding: EdgeInsets.only(top: 20, bottom: 5),
+      padding: const EdgeInsets.only(top: 20, bottom: 5),
-      decoration: BoxDecoration(
+      decoration: const BoxDecoration(
           border: Border(
         bottom: BorderSide(width: 1, color: BrandColors.dividerColor),
       )),
@@ -146,18 +146,11 @@ class _AppSettingsPageState extends State<AppSettingsPage> {
               value: 'more.settings.6'.tr(),
             ),
           ),
-          SizedBox(width: 5),
+          const SizedBox(width: 5),
           ElevatedButton(
             style: ElevatedButton.styleFrom(
               primary: BrandColors.red1,
             ),
-            child: Text(
-              'basis.delete'.tr(),
-              style: TextStyle(
-                color: BrandColors.white,
-                fontWeight: NamedFontWeight.demiBold,
-              ),
-            ),
             onPressed: isDisabled
                 ? null
                 : () {
@@ -177,7 +170,8 @@ class _AppSettingsPageState extends State<AppSettingsPage> {
                                       builder: (context) {
                                         return Container(
                                           alignment: Alignment.center,
-                                          child: CircularProgressIndicator(),
+                                          child:
+                                              const CircularProgressIndicator(),
                                         );
                                       });
                                   await context
@@ -193,6 +187,13 @@ class _AppSettingsPageState extends State<AppSettingsPage> {
                       },
                     );
                   },
+            child: Text(
+              'basis.delete'.tr(),
+              style: const TextStyle(
+                color: BrandColors.white,
+                fontWeight: NamedFontWeight.demiBold,
+              ),
+            ),
           ),
         ],
       ),
@@ -220,9 +221,9 @@ class _TextColumn extends StatelessWidget {
           title,
           style: TextStyle(color: hasWarning ? BrandColors.warning : null),
         ),
-        SizedBox(height: 5),
+        const SizedBox(height: 5),
         BrandText.body1(value,
-            style: TextStyle(
+            style: const TextStyle(
               fontSize: 13,
               height: 1.53,
               color: BrandColors.gray1,

lib/ui/pages/more/console/console.dart

@@ -35,13 +35,13 @@ class _ConsoleState extends State<Console> {
     return SafeArea(
       child: Scaffold(
         appBar: PreferredSize(
+          preferredSize: const Size.fromHeight(53),
           child: Column(
-            children: [
+            children: const [
               BrandHeader(title: 'Console', hasBackButton: true),
               BrandDivider(),
             ],
           ),
-          preferredSize: Size.fromHeight(53),
         ),
         body: FutureBuilder(
           future: getIt.allReady(),
@@ -53,7 +53,7 @@ class _ConsoleState extends State<Console> {
                 reverse: true,
                 shrinkWrap: true,
                 children: [
-                  SizedBox(height: 20),
+                  const SizedBox(height: 20),
                   ...UnmodifiableListView(messages
                       .map((message) {
                         var isError = message.type == MessageType.warning;
@@ -84,7 +84,7 @@ class _ConsoleState extends State<Console> {
               return Column(
                 mainAxisAlignment: MainAxisAlignment.center,
                 mainAxisSize: MainAxisSize.min,
-                children: [
+                children: const [
                   Text('Waiting for initialisation'),
                   SizedBox(
                     height: 16,

lib/ui/pages/more/info/info.dart

@@ -14,14 +14,14 @@ class InfoPage extends StatelessWidget {
     return SafeArea(
       child: Scaffold(
         appBar: PreferredSize(
+          preferredSize: const Size.fromHeight(52),
           child: BrandHeader(title: 'more.about_app'.tr(), hasBackButton: true),
-          preferredSize: Size.fromHeight(52),
         ),
         body: ListView(
           padding: paddingH15V0,
           children: [
-            BrandDivider(),
+            const BrandDivider(),
-            SizedBox(height: 10),
+            const SizedBox(height: 10),
             FutureBuilder(
                 future: _version(),
                 builder: (context, snapshot) {

lib/ui/pages/more/more.dart

@@ -27,11 +27,11 @@ class MorePage extends StatelessWidget {
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: PreferredSize(
+        preferredSize: const Size.fromHeight(52),
         child: BrandHeader(
           title: 'basis.more'.tr(),
           hasFlashButton: true,
         ),
-        preferredSize: Size.fromHeight(52),
       ),
       body: ListView(
         children: [
@@ -39,7 +39,7 @@ class MorePage extends StatelessWidget {
             padding: paddingH15V0,
             child: Column(
               children: [
-                BrandDivider(),
+                const BrandDivider(),
                 _NavItem(
                   title: 'more.configuration_wizard'.tr(),
                   iconData: BrandIcons.triangle,
@@ -48,27 +48,27 @@ class MorePage extends StatelessWidget {
                 _NavItem(
                   title: 'more.settings.title'.tr(),
                   iconData: BrandIcons.settings,
-                  goTo: AppSettingsPage(),
+                  goTo: const AppSettingsPage(),
                 ),
                 _NavItem(
                   title: 'more.about_project'.tr(),
                   iconData: BrandIcons.engineer,
-                  goTo: AboutPage(),
+                  goTo: const AboutPage(),
                 ),
                 _NavItem(
                   title: 'more.about_app'.tr(),
                   iconData: BrandIcons.fire,
-                  goTo: InfoPage(),
+                  goTo: const InfoPage(),
                 ),
                 _NavItem(
                   title: 'more.onboarding'.tr(),
                   iconData: BrandIcons.start,
-                  goTo: OnboardingPage(nextPage: RootPage()),
+                  goTo: const OnboardingPage(nextPage: RootPage()),
                 ),
                 _NavItem(
                   title: 'more.console'.tr(),
                   iconData: BrandIcons.terminal,
-                  goTo: Console(),
+                  goTo: const Console(),
                 ),
                 _NavItem(
                     isEnabled: context.read<ServerInstallationCubit>().state
@@ -131,8 +131,8 @@ class _MoreMenuItem extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return Container(
-      padding: EdgeInsets.symmetric(vertical: 24),
+      padding: const EdgeInsets.symmetric(vertical: 24),
-      decoration: BoxDecoration(
+      decoration: const BoxDecoration(
         border: Border(
           bottom: BorderSide(
             width: 1.0,
@@ -148,7 +148,7 @@ class _MoreMenuItem extends StatelessWidget {
               color: isActive ? null : Colors.grey,
             ),
           ),
-          Spacer(),
+          const Spacer(),
           SizedBox(
             width: 56,
             child: Icon(

lib/ui/pages/onboarding/onboarding.dart

@@ -53,11 +53,11 @@ class _OnboardingPageState extends State<OnboardingPage> {
       child: Column(
         crossAxisAlignment: CrossAxisAlignment.start,
         children: [
-          SizedBox(height: 30),
+          const SizedBox(height: 30),
           BrandText.h2(
             'onboarding.page1_title'.tr(),
           ),
-          SizedBox(height: 20),
+          const SizedBox(height: 20),
           BrandText.body2('onboarding.page1_text'.tr()),
           Flexible(
             child: Center(
@@ -75,13 +75,13 @@ class _OnboardingPageState extends State<OnboardingPage> {
             onPressed: () {
               pageController.animateToPage(
                 1,
-                duration: Duration(milliseconds: 300),
+                duration: const Duration(milliseconds: 300),
                 curve: Curves.easeIn,
               );
             },
             text: 'basis.next'.tr(),
           ),
-          SizedBox(height: 30),
+          const SizedBox(height: 30),
         ],
       ),
     );
@@ -94,11 +94,11 @@ class _OnboardingPageState extends State<OnboardingPage> {
       ),
       child: Column(
         children: [
-          SizedBox(height: 30),
+          const SizedBox(height: 30),
           BrandText.h2('onboarding.page2_title'.tr()),
-          SizedBox(height: 20),
+          const SizedBox(height: 20),
           BrandText.body2('onboarding.page2_text'.tr()),
-          SizedBox(height: 20),
+          const SizedBox(height: 20),
           Center(
             child: Image.asset(
               _fileName(
@@ -131,7 +131,7 @@ class _OnboardingPageState extends State<OnboardingPage> {
             },
             text: 'basis.got_it'.tr(),
           ),
-          SizedBox(height: 30),
+          const SizedBox(height: 30),
         ],
       ),
     );

lib/ui/pages/providers/providers.dart

@@ -21,7 +21,7 @@ import 'package:selfprivacy/utils/route_transitions/basic.dart';
 var navigatorKey = GlobalKey<NavigatorState>();
 
 class ProvidersPage extends StatefulWidget {
-  ProvidersPage({Key? key}) : super(key: key);
+  const ProvidersPage({Key? key}) : super(key: key);
 
   @override
   _ProvidersPageState createState() => _ProvidersPageState();
@@ -49,7 +49,7 @@ class _ProvidersPageState extends State<ProvidersPage> {
     final cards = ProviderType.values
         .map(
           (type) => Padding(
-            padding: EdgeInsets.only(bottom: 30),
+            padding: const EdgeInsets.only(bottom: 30),
             child: _Card(
               provider: ProviderModel(
                 state: isReady
@@ -67,18 +67,18 @@ class _ProvidersPageState extends State<ProvidersPage> {
         .toList();
     return Scaffold(
       appBar: PreferredSize(
+        preferredSize: const Size.fromHeight(52),
         child: BrandHeader(
           title: 'providers.page_title'.tr(),
           hasFlashButton: true,
         ),
-        preferredSize: Size.fromHeight(52),
       ),
       body: ListView(
         padding: paddingH15V0,
         children: [
           if (!isReady) ...[
-            NotReadyCard(),
+            const NotReadyCard(),
-            SizedBox(height: 24),
+            const SizedBox(height: 24),
           ],
           ...cards,
         ],
@@ -111,7 +111,7 @@ class _Card extends StatelessWidget {
         stableText = 'providers.server.status'.tr();
         onTap = () => showBrandBottomSheet(
               context: context,
-              builder: (context) => BrandBottomSheet(
+              builder: (context) => const BrandBottomSheet(
                 isExpended: true,
                 child: ServerDetailsScreen(),
               ),
@@ -132,7 +132,7 @@ class _Card extends StatelessWidget {
         stableText = 'providers.backup.status'.tr();
 
         onTap = () => Navigator.of(context).push(materialRoute(
-              BackupDetails(),
+              const BackupDetails(),
             ));
         break;
     }
@@ -146,12 +146,12 @@ class _Card extends StatelessWidget {
               status: provider.state,
               child: Icon(provider.icon, size: 30, color: Colors.white),
             ),
-            SizedBox(height: 10),
+            const SizedBox(height: 10),
             BrandText.h2(title),
-            SizedBox(height: 10),
+            const SizedBox(height: 10),
             if (message != null) ...[
               BrandText.body2(message),
-              SizedBox(height: 10),
+              const SizedBox(height: 10),
             ],
             if (provider.state == StateType.stable) BrandText.body2(stableText),
           ],

lib/ui/pages/root_route.dart

@@ -7,7 +7,7 @@ import 'package:selfprivacy/ui/pages/providers/providers.dart';
 import 'package:selfprivacy/ui/pages/services/services.dart';
 import 'package:selfprivacy/ui/pages/users/users.dart';
 
-import '../components/pre_styled_buttons/flashFab.dart';
+import '../components/pre_styled_buttons/flash_fab.dart';
 
 class RootPage extends StatefulWidget {
   const RootPage({Key? key}) : super(key: key);
@@ -42,7 +42,7 @@ class _RootPageState extends State<RootPage>
           create: (_) => ChangeTab(tabController.animateTo),
           child: TabBarView(
             controller: tabController,
-            children: [
+            children: const [
               ProvidersPage(),
               ServicesPage(),
               UsersPage(),
@@ -53,7 +53,7 @@ class _RootPageState extends State<RootPage>
         bottomNavigationBar: BrandTabBar(
           controller: tabController,
         ),
-        floatingActionButton: BrandFab(),
+        floatingActionButton: const BrandFab(),
       ),
     );
   }

lib/ui/pages/server_details/chart.dart

@@ -19,33 +19,33 @@ class _Chart extends StatelessWidget {
       ];
     } else if (state is HetznerMetricsLoaded) {
       charts = [
-        Legend(color: Colors.red, text: 'CPU %'),
+        const Legend(color: Colors.red, text: 'CPU %'),
-        SizedBox(height: 20),
+        const SizedBox(height: 20),
         getCpuChart(state),
         Row(
           mainAxisAlignment: MainAxisAlignment.end,
           children: [
             BrandText.small('Public Network interface packets per sec'),
-            SizedBox(width: 10),
+            const SizedBox(width: 10),
-            Legend(color: Colors.red, text: 'IN'),
+            const Legend(color: Colors.red, text: 'IN'),
-            SizedBox(width: 5),
+            const SizedBox(width: 5),
-            Legend(color: Colors.green, text: 'OUT'),
+            const Legend(color: Colors.green, text: 'OUT'),
           ],
         ),
-        SizedBox(height: 20),
+        const SizedBox(height: 20),
         getPpsChart(state),
-        SizedBox(height: 1),
+        const SizedBox(height: 1),
         Row(
           mainAxisAlignment: MainAxisAlignment.end,
           children: [
             BrandText.small('Public Network interface bytes per sec'),
-            SizedBox(width: 10),
+            const SizedBox(width: 10),
-            Legend(color: Colors.red, text: 'IN'),
+            const Legend(color: Colors.red, text: 'IN'),
-            SizedBox(width: 5),
+            const SizedBox(width: 5),
-            Legend(color: Colors.green, text: 'OUT'),
+            const Legend(color: Colors.green, text: 'OUT'),
           ],
         ),
-        SizedBox(height: 20),
+        const SizedBox(height: 20),
         getBandwidthChart(state),
       ];
     } else {
@@ -57,7 +57,7 @@ class _Chart extends StatelessWidget {
       child: Column(
         children: [
           Padding(
-            padding: EdgeInsets.symmetric(horizontal: 20.0, vertical: 10),
+            padding: const EdgeInsets.symmetric(horizontal: 20.0, vertical: 10),
             child: Row(
               mainAxisAlignment: MainAxisAlignment.spaceBetween,
               children: [
@@ -88,7 +88,7 @@ class _Chart extends StatelessWidget {
   Widget getCpuChart(HetznerMetricsLoaded state) {
     var data = state.cpu;
 
-    return Container(
+    return SizedBox(
       height: 200,
       child: CpuChart(data, state.period, state.start),
     );
@@ -98,7 +98,7 @@ class _Chart extends StatelessWidget {
     var ppsIn = state.ppsIn;
     var ppsOut = state.ppsOut;
 
-    return Container(
+    return SizedBox(
       height: 200,
       child: NetworkChart(
         [ppsIn, ppsOut],
@@ -112,7 +112,7 @@ class _Chart extends StatelessWidget {
     var ppsIn = state.bandwidthIn;
     var ppsOut = state.bandwidthOut;
 
-    return Container(
+    return SizedBox(
       height: 200,
       child: NetworkChart(
         [ppsIn, ppsOut],
@@ -138,7 +138,7 @@ class Legend extends StatelessWidget {
       mainAxisAlignment: MainAxisAlignment.end,
       children: [
         _ColoredBox(color: color),
-        SizedBox(width: 5),
+        const SizedBox(width: 5),
         BrandText.small(text),
       ],
     );

lib/ui/pages/server_details/cpu_chart.dart

@@ -7,7 +7,7 @@ import 'package:selfprivacy/logic/models/hetzner_metrics.dart';
 import 'package:intl/intl.dart';
 
 class CpuChart extends StatelessWidget {
-  CpuChart(this.data, this.period, this.start);
+  const CpuChart(this.data, this.period, this.start);
 
   final List<TimeSeriesData> data;
   final Period period;
@@ -54,13 +54,13 @@ class CpuChart extends StatelessWidget {
                 return Padding(
                   padding: const EdgeInsets.all(8.0),
                   child: RotatedBox(
+                    quarterTurns: 1,
                     child: Text(bottomTitle(value.toInt()),
-                        style: TextStyle(
+                        style: const TextStyle(
                           fontSize: 10,
                           color: Colors.purple,
                           fontWeight: FontWeight.bold,
                         )),
-                    quarterTurns: 1,
                   ),
                 );
               },
@@ -71,7 +71,7 @@ class CpuChart extends StatelessWidget {
             sideTitles: SideTitles(
               getTitlesWidget: (value, titleMeta) {
                 return Padding(
-                    padding: EdgeInsets.only(right: 15),
+                    padding: const EdgeInsets.only(right: 15),
                     child: Text(
                       value.toInt().toString(),
                       style: progressTextStyleLight.copyWith(

lib/ui/pages/server_details/header.dart

@@ -16,17 +16,17 @@ class _Header extends StatelessWidget {
       children: [
         IconStatusMask(
           status: providerState,
-          child: Icon(
+          child: const Icon(
             BrandIcons.server,
             size: 40,
             color: Colors.white,
           ),
         ),
-        SizedBox(width: 10),
+        const SizedBox(width: 10),
         BrandText.h2('providers.server.card_title'.tr()),
-        Spacer(),
+        const Spacer(),
         Padding(
-          padding: EdgeInsets.symmetric(
+          padding: const EdgeInsets.symmetric(
             vertical: 4,
             horizontal: 2,
           ),
@@ -41,12 +41,12 @@ class _Header extends StatelessWidget {
                   break;
               }
             },
-            icon: Icon(Icons.more_vert),
+            icon: const Icon(Icons.more_vert),
             itemBuilder: (BuildContext context) => [
               PopupMenuItem<_PopupMenuItemType>(
                 value: _PopupMenuItemType.setting,
                 child: Container(
-                  padding: EdgeInsets.only(left: 5),
+                  padding: const EdgeInsets.only(left: 5),
                   child: Text('basis.settings'.tr()),
                 ),
               ),

lib/ui/pages/server_details/network_charts.dart

@@ -9,7 +9,7 @@ import 'package:selfprivacy/logic/models/hetzner_metrics.dart';
 import 'package:intl/intl.dart';
 
 class NetworkChart extends StatelessWidget {
-  NetworkChart(
+  const NetworkChart(
     this.listData,
     this.period,
     this.start,
@@ -76,13 +76,13 @@ class NetworkChart extends StatelessWidget {
                   return Padding(
                     padding: const EdgeInsets.all(8.0),
                     child: RotatedBox(
+                      quarterTurns: 1,
                       child: Text(bottomTitle(value.toInt()),
-                          style: TextStyle(
+                          style: const TextStyle(
                             fontSize: 10,
                             color: Colors.purple,
                             fontWeight: FontWeight.bold,
                           )),
-                      quarterTurns: 1,
                     ),
                   );
                 },
@@ -94,7 +94,7 @@ class NetworkChart extends StatelessWidget {
                 reservedSize: 50,
                 getTitlesWidget: (value, titleMeta) {
                   return Padding(
-                      padding: EdgeInsets.only(right: 5),
+                      padding: const EdgeInsets.only(right: 5),
                       child: Text(
                         value.toInt().toString(),
                         style: progressTextStyleLight.copyWith(

lib/ui/pages/server_details/server_details_screen.dart

@@ -69,25 +69,25 @@ class _ServerDetailsScreenState extends State<ServerDetailsScreen>
       create: (context) => ServerDetailsCubit()..check(),
       child: Scaffold(
         appBar: PreferredSize(
+          preferredSize: const Size.fromHeight(52),
           child: Column(
             children: [
               Container(
                 height: 51,
                 alignment: Alignment.center,
-                padding: EdgeInsets.symmetric(horizontal: 15),
+                padding: const EdgeInsets.symmetric(horizontal: 15),
                 child: BrandText.h4('basis.details'.tr()),
               ),
-              BrandDivider(),
+              const BrandDivider(),
             ],
           ),
-          preferredSize: Size.fromHeight(52),
         ),
         body: TabBarView(
-          physics: NeverScrollableScrollPhysics(),
+          physics: const NeverScrollableScrollPhysics(),
           controller: tabController,
           children: [
             SingleChildScrollView(
-              physics: ClampingScrollPhysics(),
+              physics: const ClampingScrollPhysics(),
               child: Column(
                 crossAxisAlignment: CrossAxisAlignment.start,
                 children: [
@@ -103,13 +103,13 @@ class _ServerDetailsScreenState extends State<ServerDetailsScreen>
                       ],
                     ),
                   ),
-                  SizedBox(height: 10),
+                  const SizedBox(height: 10),
                   BlocProvider(
                     create: (context) => HetznerMetricsCubit()..restart(),
-                    child: _Chart(),
+                    child: const _Chart(),
                   ),
-                  SizedBox(height: 20),
+                  const SizedBox(height: 20),
-                  _TextDetails(),
+                  const _TextDetails(),
                 ],
               ),
             ),