fixing all linter errors

2026-01-15 07:48:40 +00:00 · 2025-07-15 13:38:38 +02:00 · 2025-07-15 13:38:38 +02:00 · c70413cf6a
commit c70413cf6a
parent 575c0ca8ae
81 changed files with 653 additions and 666 deletions
--- a/analysis_options.yaml
+++ b/analysis_options.yaml
@ -14,6 +14,7 @@ analyzer:
    - "lib/src/model/protobuf/**"
    - "lib/src/model/protobuf/api/websocket/**"
    - "lib/generated/**"
+    - "dependencies/**"
    - "test/drift/**"
    - "**.g.dart"

--- a/lib/app.dart
+++ b/lib/app.dart
@ -106,7 +106,7 @@ class _AppState extends State<App> with WidgetsBindingObserver {
            Locale('en', ''),
            Locale('de', ''),
          ],
-          onGenerateTitle: (BuildContext context) => "twonly",
+          onGenerateTitle: (BuildContext context) => 'twonly',
          theme: ThemeData(
            colorScheme: ColorScheme.fromSeed(
              seedColor: const Color(0xFF57CC99),
@ -132,8 +132,8 @@ class _AppState extends State<App> with WidgetsBindingObserver {
          themeMode: context.watch<SettingsChangeProvider>().themeMode,
          initialRoute: '/',
          routes: {
-            "/": (context) => AppMainWidget(initialPage: 1),
-            "/chats": (context) => AppMainWidget(initialPage: 0)
+            '/': (context) => const AppMainWidget(initialPage: 1),
+            '/chats': (context) => const AppMainWidget(initialPage: 0)
          },
        );
      },
@ -143,8 +143,8 @@ class _AppState extends State<App> with WidgetsBindingObserver {

 class AppMainWidget extends StatefulWidget {
  const AppMainWidget({
-    super.key,
    required this.initialPage,
+    super.key,
  });
  final int initialPage;
  @override
@ -182,7 +182,7 @@ class _AppMainWidgetState extends State<AppMainWidget> {
            );
          },
        ),
-        AppOutdated(),
+        const AppOutdated(),
      ],
    );
  }
--- a/lib/src/database/daos/contacts_dao.dart
+++ b/lib/src/database/daos/contacts_dao.dart
@ -103,8 +103,8 @@ class ContactsDao extends DatabaseAccessor<TwonlyDatabase>

  Future<void> updateContact(
      int userId, ContactsCompanion updatedValues) async {
-    await ((update(contacts)..where((c) => c.userId.equals(userId)))
-        .write(updatedValues));
+    await (update(contacts)..where((c) => c.userId.equals(userId)))
+        .write(updatedValues);
    if (updatedValues.blocked.present ||
        updatedValues.displayName.present ||
        updatedValues.nickName.present) {
@ -177,8 +177,9 @@ class ContactsDao extends DatabaseAccessor<TwonlyDatabase>

  Stream<int?> watchContactsBlocked() {
    final count = contacts.userId.count();
-    final query = selectOnly(contacts)..where(contacts.blocked.equals(true));
-    query.addColumns([count]);
+    final query = selectOnly(contacts)
+      ..where(contacts.blocked.equals(true))
+      ..addColumns([count]);
    return query.map((row) => row.read(count)).watchSingle();
  }

@ -186,8 +187,8 @@ class ContactsDao extends DatabaseAccessor<TwonlyDatabase>
    final count = contacts.requested.count(distinct: true);
    final query = selectOnly(contacts)
      ..where(contacts.requested.equals(true) &
-          contacts.accepted.equals(true).not());
-    query.addColumns([count]);
+          contacts.accepted.equals(true).not())
+      ..addColumns([count]);
    return query.map((row) => row.read(count)).watchSingle();
  }

@ -204,15 +205,13 @@ class ContactsDao extends DatabaseAccessor<TwonlyDatabase>
                u.lastMessageSend.isNotNull(),
          ))
        .watchSingle()
-        .asyncMap((contact) {
-      return getFlameCounterFromContact(contact);
-    });
+        .asyncMap(getFlameCounterFromContact);
  }
 }

 String getContactDisplayName(Contact user) {
-  String name = user.username;
-  if (user.nickName != null && user.nickName != "") {
+  var name = user.username;
+  if (user.nickName != null && user.nickName != '') {
    name = user.nickName!;
  } else if (user.displayName != null) {
    name = user.displayName!;
@ -224,7 +223,7 @@ String getContactDisplayName(Contact user) {
 }

 String applyStrikethrough(String text) {
-  return text.split('').map((char) => '$char\u0336').join('');
+  return text.split('').map((char) => '$char\u0336').join();
 }

 int getFlameCounterFromContact(Contact contact) {
@ -233,7 +232,7 @@ int getFlameCounterFromContact(Contact contact) {
  }
  final now = DateTime.now();
  final startOfToday = DateTime(now.year, now.month, now.day);
-  final twoDaysAgo = startOfToday.subtract(Duration(days: 2));
+  final twoDaysAgo = startOfToday.subtract(const Duration(days: 2));
  if (contact.lastMessageSend!.isAfter(twoDaysAgo) &&
      contact.lastMessageReceived!.isAfter(twoDaysAgo)) {
    return contact.flameCounter + 1;
--- a/lib/src/database/daos/media_downloads_dao.dart
+++ b/lib/src/database/daos/media_downloads_dao.dart
@ -21,7 +21,7 @@ class MediaDownloadsDao extends DatabaseAccessor<TwonlyDatabase>
    try {
      return await into(mediaDownloads).insert(values);
    } catch (e) {
-      Log.error("Error while inserting media upload: $e");
+      Log.error('Error while inserting media upload: $e');
      return null;
    }
  }
--- a/lib/src/database/daos/media_uploads_dao.dart
+++ b/lib/src/database/daos/media_uploads_dao.dart
@ -28,7 +28,7 @@ class MediaUploadsDao extends DatabaseAccessor<TwonlyDatabase>
    try {
      return await into(mediaUploads).insert(values);
    } catch (e) {
-      Log.error("Error while inserting media upload: $e");
+      Log.error('Error while inserting media upload: $e');
      return null;
    }
  }
--- a/lib/src/database/daos/message_retransmissions.dao.dart
+++ b/lib/src/database/daos/message_retransmissions.dao.dart
@ -17,7 +17,7 @@ class MessageRetransmissionDao extends DatabaseAccessor<TwonlyDatabase>
    try {
      return await into(messageRetransmissions).insert(message);
    } catch (e) {
-      Log.error("Error while inserting message for retransmission: $e");
+      Log.error('Error while inserting message for retransmission: $e');
      return null;
    }
  }
@ -29,7 +29,7 @@ class MessageRetransmissionDao extends DatabaseAccessor<TwonlyDatabase>
        .go();

    if (countDeleted > 0) {
-      Log.info("Deleted $countDeleted faulty retransmissions");
+      Log.info('Deleted $countDeleted faulty retransmissions');
    }

    return (await (select(messageRetransmissions)
--- a/lib/src/database/daos/messages_dao.dart
+++ b/lib/src/database/daos/messages_dao.dart
@ -51,7 +51,7 @@ class MessagesDao extends DatabaseAccessor<TwonlyDatabase>
              (t.openedAt.isNull() |
                  t.mediaStored.equals(true) |
                  t.openedAt.isBiggerThanValue(
-                      DateTime.now().subtract(Duration(days: 1)))))
+                      DateTime.now().subtract(const Duration(days: 1)))))
          ..orderBy([(t) => OrderingTerm.desc(t.sendAt)]))
        .watch();
  }
@ -60,13 +60,13 @@ class MessagesDao extends DatabaseAccessor<TwonlyDatabase>
    return (update(messages)
          ..where((t) =>
              (t.openedAt.isSmallerThanValue(
-                    DateTime.now().subtract(Duration(days: 1)),
+                    DateTime.now().subtract(const Duration(days: 1)),
                  ) |
                  (t.sendAt.isSmallerThanValue(
-                          DateTime.now().subtract(Duration(days: 1))) &
+                          DateTime.now().subtract(const Duration(days: 1))) &
                      t.errorWhileSending.equals(true))) &
              t.kind.equals(MessageKind.textMessage.name)))
-        .write(MessagesCompanion(contentJson: Value(null)));
+        .write(const MessagesCompanion(contentJson: Value(null)));
  }

  Future<void> handleMediaFilesOlderThan7Days() {
@ -78,11 +78,11 @@ class MessagesDao extends DatabaseAccessor<TwonlyDatabase>
                t.messageOtherId.isNull() &
                (t.sendAt.isSmallerThanValue(
                  DateTime.now().subtract(
-                    Duration(days: 8),
+                    const Duration(days: 8),
                  ),
                ))),
          ))
-        .write(MessagesCompanion(errorWhileSending: Value(true)));
+        .write(const MessagesCompanion(errorWhileSending: Value(true)));
  }

  Future<List<Message>> getAllMessagesPendingDownloading() {
@ -104,7 +104,7 @@ class MessagesDao extends DatabaseAccessor<TwonlyDatabase>
              t.messageOtherId.isNull() &
              t.errorWhileSending.equals(false) &
              t.sendAt.isBiggerThanValue(
-                DateTime.now().subtract(Duration(minutes: 10)),
+                DateTime.now().subtract(const Duration(minutes: 10)),
              )))
        .get();
  }
@ -142,10 +142,10 @@ class MessagesDao extends DatabaseAccessor<TwonlyDatabase>
  }

  Future<void> resetPendingDownloadState() {
-    // All media files in the downloading state are reseteded to the pending state
+    // All media files in the downloading state are reset to the pending state
    // When the app is used in mobile network, they will not be downloaded at the start
    // if they are not yet downloaded...
-    final updates =
+    const updates =
        MessagesCompanion(downloadState: Value(DownloadState.pending));
    return (update(messages)
          ..where((t) =>
@ -198,7 +198,7 @@ class MessagesDao extends DatabaseAccessor<TwonlyDatabase>

      return await into(messages).insert(message);
    } catch (e) {
-      Log.error("Error while inserting message: $e");
+      Log.error('Error while inserting message: $e');
      return null;
    }
  }
@ -244,7 +244,7 @@ class MessagesDao extends DatabaseAccessor<TwonlyDatabase>
  }

  Future<List<Message>> getMessagesByMediaUploadId(int mediaUploadId) async {
-    return await (select(messages)
+    return (select(messages)
          ..where((t) => t.mediaUploadId.equals(mediaUploadId)))
        .get();
  }
--- a/lib/src/database/daos/signal_dao.dart
+++ b/lib/src/database/daos/signal_dao.dart
@ -62,9 +62,9 @@ class SignalDao extends DatabaseAccessor<TwonlyDatabase> with _$SignalDaoMixin {
      List<SignalContactPreKeysCompanion> preKeys) async {
    for (final preKey in preKeys) {
      try {
-        into(signalContactPreKeys).insert(preKey);
+        await into(signalContactPreKeys).insert(preKey);
      } catch (e) {
-        Log.error("$e");
+        Log.error('$e');
      }
    }
  }
@ -90,7 +90,7 @@ class SignalDao extends DatabaseAccessor<TwonlyDatabase> with _$SignalDaoMixin {
    await (delete(signalContactSignedPreKeys)
          ..where((t) => (t.createdAt.isSmallerThanValue(
                DateTime.now().subtract(
-                  Duration(days: 25),
+                  const Duration(days: 25),
                ),
              ))))
        .go();
@ -98,7 +98,7 @@ class SignalDao extends DatabaseAccessor<TwonlyDatabase> with _$SignalDaoMixin {
    await (delete(twonlyDB.signalPreKeyStores)
          ..where((t) => (t.createdAt.isSmallerThanValue(
                DateTime.now().subtract(
-                  Duration(days: 40),
+                  const Duration(days: 40),
                ),
              ))))
        .go();
--- a/lib/src/database/signal/connect_identitiy_key_store.dart
+++ b/lib/src/database/signal/connect_identitiy_key_store.dart
--- a/lib/src/database/signal/connect_sender_key_store.dart
+++ b/lib/src/database/signal/connect_sender_key_store.dart
@ -1,15 +1,14 @@
 import 'package:drift/drift.dart';
+import 'package:libsignal_protocol_dart/libsignal_protocol_dart.dart';
 import 'package:twonly/globals.dart';
 import 'package:twonly/src/database/twonly_database.dart';
-import 'package:libsignal_protocol_dart/libsignal_protocol_dart.dart';

 class ConnectSenderKeyStore extends SenderKeyStore {
  @override
  Future<SenderKeyRecord> loadSenderKey(SenderKeyName senderKeyName) async {
-    SignalSenderKeyStore? identity =
-        await (twonlyDB.select(twonlyDB.signalSenderKeyStores)
-              ..where((t) => t.senderKeyName.equals(senderKeyName.serialize())))
-            .getSingleOrNull();
+    final identity = await (twonlyDB.select(twonlyDB.signalSenderKeyStores)
+          ..where((t) => t.senderKeyName.equals(senderKeyName.serialize())))
+        .getSingleOrNull();
    if (identity == null) {
      throw InvalidKeyIdException(
          'No such sender key record! - $senderKeyName');
--- a/lib/src/database/signal/connect_session_store.dart
+++ b/lib/src/database/signal/connect_session_store.dart
@ -1,6 +1,6 @@
 import 'package:drift/drift.dart';
-import 'package:twonly/globals.dart';
 import 'package:libsignal_protocol_dart/libsignal_protocol_dart.dart';
+import 'package:twonly/globals.dart';
 import 'package:twonly/src/database/twonly_database.dart';

 class ConnectSessionStore extends SessionStore {
@ -50,7 +50,7 @@ class ConnectSessionStore extends SessionStore {
    if (dbSession.isEmpty) {
      return SessionRecord();
    }
-    Uint8List session = dbSession.first.sessionRecord;
+    final session = dbSession.first.sessionRecord;
    return SessionRecord.fromSerialized(session);
  }

--- a/lib/src/database/signal/connect_signal_protocol_store.dart
+++ b/lib/src/database/signal/connect_signal_protocol_store.dart
@ -1,8 +1,8 @@
-import 'package:twonly/src/database/signal/connect_identitiy_key_store.dart';
+import 'package:libsignal_protocol_dart/libsignal_protocol_dart.dart';
+import 'package:twonly/src/database/signal/connect_identity_key_store.dart';
 import 'package:twonly/src/database/signal/connect_pre_key_store.dart';
 import 'package:twonly/src/database/signal/connect_session_store.dart';
 import 'package:twonly/src/database/signal/connect_signed_pre_key_store.dart';
-import 'package:libsignal_protocol_dart/libsignal_protocol_dart.dart';

 class ConnectSignalProtocolStore implements SignalProtocolStore {
  ConnectSignalProtocolStore(
--- a/lib/src/database/tables/contacts_table.dart
+++ b/lib/src/database/tables/contacts_table.dart
@ -8,24 +8,25 @@ class Contacts extends Table {
  TextColumn get nickName => text().nullable()();
  TextColumn get avatarSvg => text().nullable()();

-  IntColumn get myAvatarCounter => integer().withDefault(Constant(0))();
+  IntColumn get myAvatarCounter => integer().withDefault(const Constant(0))();

-  BoolColumn get accepted => boolean().withDefault(Constant(false))();
-  BoolColumn get requested => boolean().withDefault(Constant(false))();
-  BoolColumn get blocked => boolean().withDefault(Constant(false))();
-  BoolColumn get verified => boolean().withDefault(Constant(false))();
-  BoolColumn get archived => boolean().withDefault(Constant(false))();
-  BoolColumn get pinned => boolean().withDefault(Constant(false))();
-  BoolColumn get deleted => boolean().withDefault(Constant(false))();
+  BoolColumn get accepted => boolean().withDefault(const Constant(false))();
+  BoolColumn get requested => boolean().withDefault(const Constant(false))();
+  BoolColumn get blocked => boolean().withDefault(const Constant(false))();
+  BoolColumn get verified => boolean().withDefault(const Constant(false))();
+  BoolColumn get archived => boolean().withDefault(const Constant(false))();
+  BoolColumn get pinned => boolean().withDefault(const Constant(false))();
+  BoolColumn get deleted => boolean().withDefault(const Constant(false))();

-  BoolColumn get alsoBestFriend => boolean().withDefault(Constant(false))();
+  BoolColumn get alsoBestFriend =>
+      boolean().withDefault(const Constant(false))();

  IntColumn get deleteMessagesAfterXMinutes =>
-      integer().withDefault(Constant(60 * 24))();
+      integer().withDefault(const Constant(60 * 24))();

  DateTimeColumn get createdAt => dateTime().withDefault(currentDateAndTime)();

-  IntColumn get totalMediaCounter => integer().withDefault(Constant(0))();
+  IntColumn get totalMediaCounter => integer().withDefault(const Constant(0))();

  DateTimeColumn get lastMessageSend => dateTime().nullable()();
  DateTimeColumn get lastMessageReceived => dateTime().nullable()();
@ -34,7 +35,7 @@ class Contacts extends Table {
  DateTimeColumn get lastMessageExchange =>
      dateTime().withDefault(currentDateAndTime)();

-  IntColumn get flameCounter => integer().withDefault(Constant(0))();
+  IntColumn get flameCounter => integer().withDefault(const Constant(0))();

  @override
  Set<Column> get primaryKey => {userId};
--- a/lib/src/database/tables/messages_table.dart
+++ b/lib/src/database/tables/messages_table.dart
@ -44,16 +44,18 @@ class Messages extends Table {
  IntColumn get responseToMessageId => integer().nullable()();
  IntColumn get responseToOtherMessageId => integer().nullable()();

-  BoolColumn get acknowledgeByUser => boolean().withDefault(Constant(false))();
-  BoolColumn get mediaStored => boolean().withDefault(Constant(false))();
+  BoolColumn get acknowledgeByUser =>
+      boolean().withDefault(const Constant(false))();
+  BoolColumn get mediaStored => boolean().withDefault(const Constant(false))();

  IntColumn get downloadState => intEnum<DownloadState>()
      .withDefault(Constant(DownloadState.downloaded.index))();

  BoolColumn get acknowledgeByServer =>
-      boolean().withDefault(Constant(false))();
+      boolean().withDefault(const Constant(false))();

-  BoolColumn get errorWhileSending => boolean().withDefault(Constant(false))();
+  BoolColumn get errorWhileSending =>
+      boolean().withDefault(const Constant(false))();
  TextColumn get mediaRetransmissionState => textEnum<MediaRetransmitting>()
      .withDefault(Constant(MediaRetransmitting.none.name))();

--- a/lib/src/model/json/signal_identity.dart
+++ b/lib/src/model/json/signal_identity.dart
@ -1,6 +1,8 @@
-import 'dart:typed_data';
-import 'package:json_annotation/json_annotation.dart';
 import 'dart:convert';
+import 'dart:typed_data';
+
+import 'package:json_annotation/json_annotation.dart';
+
 part 'signal_identity.g.dart';

@JsonSerializable()
@ -9,13 +11,13 @@ class SignalIdentity {
    required this.identityKeyPairU8List,
    required this.registrationId,
  });
+  factory SignalIdentity.fromJson(Map<String, dynamic> json) =>
+      _$SignalIdentityFromJson(json);

  final int registrationId;

  @Uint8ListConverter()
  final Uint8List identityKeyPairU8List;
-  factory SignalIdentity.fromJson(Map<String, dynamic> json) =>
-      _$SignalIdentityFromJson(json);
  Map<String, dynamic> toJson() => _$SignalIdentityToJson(this);
 }

--- a/lib/src/model/json/userdata.dart
+++ b/lib/src/model/json/userdata.dart
@ -11,6 +11,8 @@ class UserData {
    required this.subscriptionPlan,
    required this.isDemoUser,
  });
+  factory UserData.fromJson(Map<String, dynamic> json) =>
+      _$UserDataFromJson(json);

  final int userId;

@ -29,7 +31,7 @@ class UserData {

  // --- SUBSCRIPTION DTA ---

-  @JsonKey(defaultValue: "Preview")
+  @JsonKey(defaultValue: 'Preview')
  String subscriptionPlan;
  DateTime? lastImageSend;
  int? todaysImageCounter;
@ -81,9 +83,6 @@ class UserData {
  DateTime? nextTimeToShowBackupNotice;
  BackupServer? backupServer;
  TwonlySafeBackup? twonlySafeBackup;
-
-  factory UserData.fromJson(Map<String, dynamic> json) =>
-      _$UserDataFromJson(json);
  Map<String, dynamic> toJson() => _$UserDataToJson(this);
 }

@ -95,15 +94,14 @@ class TwonlySafeBackup {
    required this.backupId,
    required this.encryptionKey,
  });
+  factory TwonlySafeBackup.fromJson(Map<String, dynamic> json) =>
+      _$TwonlySafeBackupFromJson(json);

  int lastBackupSize = 0;
  LastBackupUploadState backupUploadState = LastBackupUploadState.none;
  DateTime? lastBackupDone;
  List<int> backupId;
  List<int> encryptionKey;
-
-  factory TwonlySafeBackup.fromJson(Map<String, dynamic> json) =>
-      _$TwonlySafeBackupFromJson(json);
  Map<String, dynamic> toJson() => _$TwonlySafeBackupToJson(this);
 }

@ -114,12 +112,11 @@ class BackupServer {
    required this.retentionDays,
    required this.maxBackupBytes,
  });
+  factory BackupServer.fromJson(Map<String, dynamic> json) =>
+      _$BackupServerFromJson(json);

  String serverUrl;
  int retentionDays;
  int maxBackupBytes;
-
-  factory BackupServer.fromJson(Map<String, dynamic> json) =>
-      _$BackupServerFromJson(json);
  Map<String, dynamic> toJson() => _$BackupServerToJson(this);
 }
--- a/lib/src/providers/connection.provider.dart
+++ b/lib/src/providers/connection.provider.dart
@ -3,7 +3,7 @@ import 'package:flutter/foundation.dart';
 class CustomChangeProvider with ChangeNotifier, DiagnosticableTreeMixin {
  bool _isConnected = false;
  bool get isConnected => _isConnected;
-  String plan = "Preview";
+  String plan = 'Preview';
  Future<void> updateConnectionState(bool update) async {
    _isConnected = update;
    notifyListeners();
--- a/lib/src/services/api.service.dart
+++ b/lib/src/services/api.service.dart
@ -61,12 +61,13 @@ class ApiService {

  final HashMap<Int64, server.ServerToClient?> messagesV0 = HashMap();
  IOWebSocketChannel? _channel;
+  // ignore: cancel_subscriptions
  StreamSubscription<List<ConnectivityResult>>? connectivitySubscription;

  Future<bool> _connectTo(String apiUrl) async {
    if (appIsOutdated) return false;
    try {
-      var channel = IOWebSocketChannel.connect(
+      final channel = IOWebSocketChannel.connect(
        Uri.parse(apiUrl),
      );
      _channel = channel;
@ -195,11 +196,11 @@ class ApiService {
    onClosed();
  }

-  void _onData(dynamic msgBuffer) async {
+  Future<void> _onData(dynamic msgBuffer) async {
    try {
      final msg = server.ServerToClient.fromBuffer(msgBuffer as Uint8List);
      if (msg.v0.hasResponse()) {
-        removeFromRetransmissionBuffer(msg.v0.seq);
+        await removeFromRetransmissionBuffer(msg.v0.seq);
        messagesV0[msg.v0.seq] = msg;
      } else {
        await handleServerMessage(msg);
@ -212,7 +213,7 @@ class ApiService {
  Future<server.ServerToClient?> _waitForResponse(Int64 seq) async {
    final startTime = DateTime.now();

-    final timeout = Duration(seconds: 20);
+    const timeout = Duration(seconds: 20);

    while (true) {
      if (messagesV0[seq] != null) {
@ -393,7 +394,7 @@ class ApiService {
      return;
    }

-    var handshake = Handshake()
+    final handshake = Handshake()
      ..getauthchallenge = Handshake_GetAuthChallenge();
    final req = createClientToServerFromHandshake(handshake);

@ -445,7 +446,7 @@ class ApiService {

    final signedPreKey = (await signalStore.loadSignedPreKeys())[0];

-    var register = Handshake_Register()
+    final register = Handshake_Register()
      ..username = username
      ..publicIdentityKey =
          (await signalStore.getIdentityKeyPair()).getPublicKey().serialize()
@ -614,7 +615,7 @@ class ApiService {
      ..userId = Int64(userId);
    final appData = ApplicationData()..getsignedprekeybyuserid = get;
    final req = createClientToServerFromApplicationData(appData);
-    Result res = await sendRequestSync(req, contactId: userId);
+    final res = await sendRequestSync(req, contactId: userId);
    if (res.isSuccess) {
      final ok = res.value as server.Response_Ok;
      if (ok.hasSignedprekey()) {
@ -628,11 +629,11 @@ class ApiService {
    final get = ApplicationData_GetPrekeysByUserId()..userId = Int64(userId);
    final appData = ApplicationData()..getprekeysbyuserid = get;
    final req = createClientToServerFromApplicationData(appData);
-    Result res = await sendRequestSync(req, contactId: userId);
+    final res = await sendRequestSync(req, contactId: userId);
    if (res.isSuccess) {
      final ok = res.value as server.Response_Ok;
      if (ok.hasUserdata()) {
-        server.Response_UserData data = ok.userdata;
+        final data = ok.userdata;
        if (data.hasSignedPrekey() &&
            data.hasSignedPrekeyId() &&
            data.hasSignedPrekeySignature()) {
@ -650,7 +651,7 @@ class ApiService {

  Future<Result> sendTextMessage(
      int target, Uint8List msg, List<int>? pushData) async {
-    var testMessage = ApplicationData_TextMessage()
+    final testMessage = ApplicationData_TextMessage()
      ..userId = Int64(target)
      ..body = msg;

--- a/lib/src/services/api/media_upload.dart
+++ b/lib/src/services/api/media_upload.dart
@ -114,7 +114,7 @@ Future<void> initFileDownloader() async {
 Future<bool> checkForFailedUploads() async {
  final messages = await twonlyDB.messagesDao.getAllMessagesPendingUpload();
  final mediaUploadIds = <int>[];
-  for (var message in messages) {
+  for (final message in messages) {
    if (mediaUploadIds.contains(message.mediaUploadId)) {
      continue;
    }
@ -690,7 +690,7 @@ Future<void> handleUploadWhenAppGoesBackground() async {
  Log.info('App goes into background. Enqueue uploads to the background.');
  final keys = currentUploadTasks.keys.toList();
  for (final key in keys) {
-    enqueueUploadTask(key);
+    await enqueueUploadTask(key);
  }
 }

--- a/lib/src/services/api/server_messages.dart
+++ b/lib/src/services/api/server_messages.dart
@ -1,3 +1,5 @@
+// ignore_for_file: avoid_dynamic_calls
+
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
--- a/lib/src/services/api/utils.dart
+++ b/lib/src/services/api/utils.dart
@ -37,8 +37,8 @@ Result asResult(server.ServerToClient? msg) {
 }

 ClientToServer createClientToServerFromHandshake(Handshake handshake) {
-  var v0 = client.V0()
-    ..seq = Int64(0)
+  final v0 = client.V0()
+    ..seq = Int64()
    ..handshake = handshake;
  return ClientToServer()..v0 = v0;
 }
@ -46,7 +46,7 @@ ClientToServer createClientToServerFromHandshake(Handshake handshake) {
 ClientToServer createClientToServerFromApplicationData(
    ApplicationData applicationData) {
  final v0 = client.V0()
-    ..seq = Int64(0)
+    ..seq = Int64()
    ..applicationdata = applicationData;
  return ClientToServer()..v0 = v0;
 }
--- a/lib/src/services/flame.service.dart
+++ b/lib/src/services/flame.service.dart
@ -4,20 +4,19 @@ import 'package:twonly/globals.dart';
 import 'package:twonly/src/database/daos/contacts_dao.dart';
 import 'package:twonly/src/database/tables/messages_table.dart';
 import 'package:twonly/src/database/twonly_database.dart';
+import 'package:twonly/src/model/json/message.dart' as my;
 import 'package:twonly/src/services/api/messages.dart';
 import 'package:twonly/src/utils/misc.dart';
 import 'package:twonly/src/utils/storage.dart';
-import 'package:twonly/src/model/json/message.dart' as my;

 Future<void> syncFlameCounters() async {
-  var user = await getUser();
+  final user = await getUser();
  if (user == null) return;

-  List<Contact> contacts =
-      await twonlyDB.contactsDao.getAllNotBlockedContacts();
+  final contacts = await twonlyDB.contactsDao.getAllNotBlockedContacts();
  if (contacts.isEmpty) return;
-  int maxMessageCounter = contacts.map((x) => x.totalMediaCounter).max;
-  Contact bestFriend =
+  final maxMessageCounter = contacts.map((x) => x.totalMediaCounter).max;
+  final bestFriend =
      contacts.firstWhere((x) => x.totalMediaCounter == maxMessageCounter);

  if (user.myBestFriendContactId != bestFriend.userId) {
@ -27,13 +26,13 @@ Future<void> syncFlameCounters() async {
    });
  }

-  for (Contact contact in contacts) {
+  for (final contact in contacts) {
    if (contact.lastFlameCounterChange == null) continue;
    if (contact.lastFlameSync != null) {
      if (isToday(contact.lastFlameSync!)) continue;
    }

-    int flameCounter = getFlameCounterFromContact(contact) - 1;
+    final flameCounter = getFlameCounterFromContact(contact) - 1;

    // only sync when flame counter is higher than three days
    if (flameCounter < 1 && bestFriend.userId != contact.userId) continue;
--- a/lib/src/services/notifications/setup.notifications.dart
+++ b/lib/src/services/notifications/setup.notifications.dart
@ -1,7 +1,6 @@
 import 'dart:async';
 import 'dart:io';
 import 'dart:ui' as ui;
-import 'package:flutter/services.dart';
 import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 import 'package:flutter_svg/svg.dart';
 import 'package:path_provider/path_provider.dart';
@ -29,24 +28,18 @@ final FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
 int id = 0;

 Future<void> setupPushNotification() async {
-  const AndroidInitializationSettings initializationSettingsAndroid =
-      AndroidInitializationSettings("ic_launcher_foreground");
+  const initializationSettingsAndroid =
+      AndroidInitializationSettings('ic_launcher_foreground');

-  final List<DarwinNotificationCategory> darwinNotificationCategories =
-      <DarwinNotificationCategory>[];
+  final darwinNotificationCategories = <DarwinNotificationCategory>[];

  /// Note: permissions aren't requested here just to demonstrate that can be
  /// done later
-  final DarwinInitializationSettings initializationSettingsDarwin =
-      DarwinInitializationSettings(
-    requestAlertPermission: true,
-    requestBadgePermission: true,
-    requestSoundPermission: true,
-    requestProvisionalPermission: false,
+  final initializationSettingsDarwin = DarwinInitializationSettings(
    notificationCategories: darwinNotificationCategories,
  );

-  final InitializationSettings initializationSettings = InitializationSettings(
+  final initializationSettings = InitializationSettings(
    android: initializationSettingsAndroid,
    iOS: initializationSettingsDarwin,
  );
@ -65,23 +58,22 @@ Future<void> createPushAvatars() async {
  final contacts = await twonlyDB.contactsDao.getAllNotBlockedContacts();

  for (final contact in contacts) {
-    if (contact.avatarSvg == null) return null;
+    if (contact.avatarSvg == null) return;

-    final PictureInfo pictureInfo =
+    final pictureInfo =
        await vg.loadPicture(SvgStringLoader(contact.avatarSvg!), null);

-    final ui.Image image = await pictureInfo.picture.toImage(300, 300);
+    final image = await pictureInfo.picture.toImage(300, 300);

-    final ByteData? byteData =
-        await image.toByteData(format: ui.ImageByteFormat.png);
-    final Uint8List pngBytes = byteData!.buffer.asUint8List();
+    final byteData = await image.toByteData(format: ui.ImageByteFormat.png);
+    final pngBytes = byteData!.buffer.asUint8List();

    // Get the directory to save the image
    final directory = await getApplicationCacheDirectory();
    final avatarsDirectory = Directory('${directory.path}/avatars');

    // Create the avatars directory if it does not exist
-    if (!await avatarsDirectory.exists()) {
+    if (!avatarsDirectory.existsSync()) {
      await avatarsDirectory.create(recursive: true);
    }
    final filePath = '${avatarsDirectory.path}/${contact.userId}.png';
--- a/lib/src/services/signal/encryption.signal.dart
+++ b/lib/src/services/signal/encryption.signal.dart
@ -43,18 +43,17 @@ Future<Uint8List?> signalEncryptMessage(
          );
        }

-        final ECPublicKey? tempSignedPreKeyPublic = Curve.decodePoint(
+        final tempSignedPreKeyPublic = Curve.decodePoint(
          DjbECPublicKey(Uint8List.fromList(signedPreKey.signedPreKey))
              .serialize(),
          1,
        );

-        final Uint8List? tempSignedPreKeySignature = Uint8List.fromList(
+        final tempSignedPreKeySignature = Uint8List.fromList(
          signedPreKey.signedPreKeySignature,
        );

-        final IdentityKey? tempIdentityKey =
-            await signalStore.getIdentity(address);
+        final tempIdentityKey = await signalStore.getIdentity(address);
        if (tempIdentityKey != null) {
          final preKeyBundle = PreKeyBundle(
            target,
@ -79,9 +78,9 @@ Future<Uint8List?> signalEncryptMessage(

      final ciphertext = await session.encrypt(plaintextContent);

-      final b = BytesBuilder();
-      b.add(ciphertext.serialize());
-      b.add(intToBytes(ciphertext.getType()));
+      final b = BytesBuilder()
+        ..add(ciphertext.serialize())
+        ..add(intToBytes(ciphertext.getType()));

      return b.takeBytes();
    } catch (e) {
--- a/lib/src/services/signal/prekeys.signal.dart
+++ b/lib/src/services/signal/prekeys.signal.dart
@ -1,10 +1,12 @@
+import 'dart:async';
+
 import 'package:drift/drift.dart';
 import 'package:mutex/mutex.dart';
 import 'package:twonly/globals.dart';
 import 'package:twonly/src/database/twonly_database.dart';
-import 'package:twonly/src/utils/log.dart';
 import 'package:twonly/src/model/protobuf/api/websocket/server_to_client.pb.dart'
    as server;
+import 'package:twonly/src/utils/log.dart';

 class OtherPreKeys {
  OtherPreKeys({
@ -20,21 +22,22 @@ class OtherPreKeys {
 }

 Mutex requestNewKeys = Mutex();
-DateTime lastPreKeyRequest = DateTime.now().subtract(Duration(hours: 1));
-DateTime lastSignedPreKeyRequest = DateTime.now().subtract(Duration(hours: 1));
+DateTime lastPreKeyRequest = DateTime.now().subtract(const Duration(hours: 1));
+DateTime lastSignedPreKeyRequest =
+    DateTime.now().subtract(const Duration(hours: 1));

 Future<void> requestNewPrekeysForContact(int contactId) async {
  if (lastPreKeyRequest
-      .isAfter(DateTime.now().subtract(Duration(seconds: 60)))) {
+      .isAfter(DateTime.now().subtract(const Duration(seconds: 60)))) {
    return;
  }
-  Log.info("Requesting new PREKEYS for $contactId");
+  Log.info('Requesting new PREKEYS for $contactId');
  lastPreKeyRequest = DateTime.now();
-  requestNewKeys.protect(() async {
+  await requestNewKeys.protect(() async {
    final otherKeys = await apiService.getPreKeysByUserId(contactId);
    if (otherKeys != null) {
      Log.info(
-          "got fresh ${otherKeys.preKeys.length}  pre keys from other $contactId!");
+          'got fresh ${otherKeys.preKeys.length}  pre keys from other $contactId!');
      final preKeys = otherKeys.preKeys
          .map(
            (preKey) => SignalContactPreKeysCompanion(
@ -46,30 +49,30 @@ Future<void> requestNewPrekeysForContact(int contactId) async {
          .toList();
      await twonlyDB.signalDao.insertPreKeys(preKeys);
    } else {
-      Log.error("could not load new pre keys for user $contactId");
+      Log.error('could not load new pre keys for user $contactId');
    }
  });
 }

 Future<SignalContactPreKey?> getPreKeyByContactId(int contactId) async {
-  int count = await twonlyDB.signalDao.countPreKeysByContactId(contactId);
+  final count = await twonlyDB.signalDao.countPreKeysByContactId(contactId);
  if (count < 10) {
-    requestNewPrekeysForContact(contactId);
+    unawaited(requestNewPrekeysForContact(contactId));
  }
  return twonlyDB.signalDao.popPreKeyByContactId(contactId);
 }

 Future<void> requestNewSignedPreKeyForContact(int contactId) async {
  if (lastSignedPreKeyRequest
-      .isAfter(DateTime.now().subtract(Duration(seconds: 60)))) {
-    Log.info("last signed pre request was 60s before");
+      .isAfter(DateTime.now().subtract(const Duration(seconds: 60)))) {
+    Log.info('last signed pre request was 60s before');
    return;
  }
  lastSignedPreKeyRequest = DateTime.now();
  await requestNewKeys.protect(() async {
    final signedPreKey = await apiService.getSignedKeyByUserId(contactId);
    if (signedPreKey != null) {
-      Log.info("got fresh signed pre keys from other $contactId!");
+      Log.info('got fresh signed pre keys from other $contactId!');
      await twonlyDB.signalDao.insertOrUpdateSignedPreKeyByContactId(
          SignalContactSignedPreKeysCompanion(
        contactId: Value(contactId),
@ -79,7 +82,7 @@ Future<void> requestNewSignedPreKeyForContact(int contactId) async {
        signedPreKeyId: Value(signedPreKey.signedPrekeyId.toInt()),
      ));
    } else {
-      Log.error("could not load new signed pre key for user $contactId");
+      Log.error('could not load new signed pre key for user $contactId');
    }
  });
 }
@ -87,19 +90,20 @@ Future<void> requestNewSignedPreKeyForContact(int contactId) async {
 Future<SignalContactSignedPreKey?> getSignedPreKeyByContactId(
  int contactId,
 ) async {
-  SignalContactSignedPreKey? signedPreKey =
+  final signedPreKey =
      await twonlyDB.signalDao.getSignedPreKeyByContactId(contactId);

  if (signedPreKey != null) {
-    DateTime fortyEightHoursAgo = DateTime.now().subtract(Duration(hours: 48));
-    bool isOlderThan48Hours =
-        (signedPreKey.createdAt).isBefore(fortyEightHoursAgo);
+    final fortyEightHoursAgo =
+        DateTime.now().subtract(const Duration(hours: 48));
+    final isOlderThan48Hours =
+        signedPreKey.createdAt.isBefore(fortyEightHoursAgo);
    if (isOlderThan48Hours) {
-      requestNewSignedPreKeyForContact(contactId);
+      unawaited(requestNewSignedPreKeyForContact(contactId));
    }
  } else {
-    requestNewSignedPreKeyForContact(contactId);
-    Log.error("Contact $contactId does not have a signed pre key!");
+    unawaited(requestNewSignedPreKeyForContact(contactId));
+    Log.error('Contact $contactId does not have a signed pre key!');
  }
  return signedPreKey;
 }
--- a/lib/src/services/signal/session.signal.dart
+++ b/lib/src/services/signal/session.signal.dart
@ -1,26 +1,24 @@
 import 'dart:typed_data';
 import 'package:libsignal_protocol_dart/libsignal_protocol_dart.dart';
-import 'package:twonly/src/model/json/userdata.dart';
 import 'package:twonly/src/model/protobuf/api/websocket/server_to_client.pb.dart';
-import 'package:twonly/src/database/signal/connect_signal_protocol_store.dart';
 import 'package:twonly/src/services/signal/consts.signal.dart';
 import 'package:twonly/src/services/signal/utils.signal.dart';
 import 'package:twonly/src/utils/log.dart';
 import 'package:twonly/src/utils/storage.dart';

 Future<bool> createNewSignalSession(Response_UserData userData) async {
-  SignalProtocolStore? signalStore = await getSignalStore();
+  final SignalProtocolStore? signalStore = await getSignalStore();

  if (signalStore == null) {
    return false;
  }

-  SignalProtocolAddress targetAddress = SignalProtocolAddress(
+  final targetAddress = SignalProtocolAddress(
    userData.userId.toString(),
    defaultDeviceId,
  );

-  SessionBuilder sessionBuilder = SessionBuilder.fromSignalStore(
+  final sessionBuilder = SessionBuilder.fromSignalStore(
    signalStore,
    targetAddress,
  );
@ -38,18 +36,18 @@ Future<bool> createNewSignalSession(Response_UserData userData) async {
    tempPreKeyId = userData.prekeys.first.id.toInt();
  }

-  int tempSignedPreKeyId = userData.signedPrekeyId.toInt();
+  final tempSignedPreKeyId = userData.signedPrekeyId.toInt();

-  ECPublicKey? tempSignedPreKeyPublic = Curve.decodePoint(
+  final tempSignedPreKeyPublic = Curve.decodePoint(
    DjbECPublicKey(Uint8List.fromList(userData.signedPrekey)).serialize(),
    1,
  );

-  Uint8List? tempSignedPreKeySignature = Uint8List.fromList(
+  final tempSignedPreKeySignature = Uint8List.fromList(
    userData.signedPrekeySignature,
  );

-  IdentityKey tempIdentityKey = IdentityKey(
+  final tempIdentityKey = IdentityKey(
    Curve.decodePoint(
      DjbECPublicKey(Uint8List.fromList(userData.publicIdentityKey))
          .serialize(),
@ -57,7 +55,7 @@ Future<bool> createNewSignalSession(Response_UserData userData) async {
    ),
  );

-  PreKeyBundle preKeyBundle = PreKeyBundle(
+  final preKeyBundle = PreKeyBundle(
    userData.userId.toInt(),
    defaultDeviceId,
    tempPreKeyId,
@ -72,32 +70,32 @@ Future<bool> createNewSignalSession(Response_UserData userData) async {
    await sessionBuilder.processPreKeyBundle(preKeyBundle);
    return true;
  } catch (e) {
-    Log.error("could not process pre key bundle: $e");
+    Log.error('could not process pre key bundle: $e');
    return false;
  }
 }

 Future<void> deleteSessionWithTarget(int target) async {
-  ConnectSignalProtocolStore? signalStore = await getSignalStore();
+  final signalStore = await getSignalStore();
  if (signalStore == null) return;
  final address = SignalProtocolAddress(target.toString(), defaultDeviceId);
  await signalStore.sessionStore.deleteSession(address);
 }

 Future<Fingerprint?> generateSessionFingerPrint(int target) async {
-  ConnectSignalProtocolStore? signalStore = await getSignalStore();
-  UserData? user = await getUser();
+  final signalStore = await getSignalStore();
+  final user = await getUser();
  if (signalStore == null || user == null) return null;
  try {
-    IdentityKey? targetIdentity = await signalStore
+    final targetIdentity = await signalStore
        .getIdentity(SignalProtocolAddress(target.toString(), defaultDeviceId));
    if (targetIdentity != null) {
      final generator = NumericFingerprintGenerator(5200);
      final localFingerprint = generator.createFor(
        1,
-        Uint8List.fromList([user.userId.toInt()]),
+        Uint8List.fromList([user.userId]),
        (await signalStore.getIdentityKeyPair()).getPublicKey(),
-        Uint8List.fromList([target.toInt()]),
+        Uint8List.fromList([target]),
        targetIdentity,
      );

--- a/lib/src/services/signal/utils.signal.dart
+++ b/lib/src/services/signal/utils.signal.dart
@ -1,17 +1,19 @@
 import 'package:libsignal_protocol_dart/libsignal_protocol_dart.dart';
-import 'package:twonly/src/model/json/signal_identity.dart';
 import 'package:twonly/src/database/signal/connect_signal_protocol_store.dart';
+import 'package:twonly/src/model/json/signal_identity.dart';
 import 'package:twonly/src/services/signal/identity.signal.dart';

 Future<ConnectSignalProtocolStore?> getSignalStore() async {
-  return await getSignalStoreFromIdentity((await getSignalIdentity())!);
+  return getSignalStoreFromIdentity((await getSignalIdentity())!);
 }

 Future<ConnectSignalProtocolStore> getSignalStoreFromIdentity(
    SignalIdentity signalIdentity) async {
-  final IdentityKeyPair identityKeyPair =
+  final identityKeyPair =
      IdentityKeyPair.fromSerialized(signalIdentity.identityKeyPairU8List);

  return ConnectSignalProtocolStore(
-      identityKeyPair, signalIdentity.registrationId.toInt());
+    identityKeyPair,
+    signalIdentity.registrationId,
+  );
 }
--- a/lib/src/services/twonly_safe/common.twonly_safe.dart
+++ b/lib/src/services/twonly_safe/common.twonly_safe.dart
@ -1,3 +1,4 @@
+import 'dart:async';
 import 'dart:convert';
 import 'package:drift/drift.dart';
 import 'package:hashlib/hashlib.dart';
@ -21,7 +22,7 @@ Future<void> enableTwonlySafe(String password) async {
    );
    return user;
  });
-  performTwonlySafeBackup(force: true);
+  unawaited(performTwonlySafeBackup(force: true));
 }

 Future<void> disableTwonlySafe() async {
@ -35,9 +36,9 @@ Future<void> disableTwonlySafe() async {
          // Add any other headers if required
        },
      );
-      Log.info("Download deleted with: ${response.statusCode}");
+      Log.info('Download deleted with: ${response.statusCode}');
    } catch (e) {
-      Log.error("Could not connect to the server.");
+      Log.error('Could not connect to the server.');
    }
  }
  await updateUserdata((user) {
@ -50,21 +51,18 @@ Future<(Uint8List, Uint8List)> getMasterKey(
  String password,
  String username,
 ) async {
-  List<int> passwordBytes = utf8.encode(password);
-  List<int> saltBytes = utf8.encode(username);
+  final List<int> passwordBytes = utf8.encode(password);
+  final List<int> saltBytes = utf8.encode(username);

  // Values are derived from the Threema Whitepaper
  // https://threema.com/assets/documents/cryptography_whitepaper.pdf

  final scrypt = Scrypt(
    cost: 65536,
-    blockSize: 8,
-    parallelism: 1,
-    derivedKeyLength: 64,
    salt: saltBytes,
  );

-  final key = (scrypt.convert(passwordBytes)).bytes;
+  final key = scrypt.convert(passwordBytes).bytes;
  return (key.sublist(0, 32), key.sublist(32, 64));
 }

@ -81,13 +79,13 @@ Future<String?> getTwonlySafeBackupUrlFromServer(
  List<int> backupId,
  BackupServer? backupServer,
 ) async {
-  String backupServerUrl = "https://safe.twonly.eu/";
+  var backupServerUrl = 'https://safe.twonly.eu/';

  if (backupServer != null) {
    backupServerUrl = backupServer.serverUrl;
  }

-  String backupIdHex = uint8ListToHex(backupId).toLowerCase();
+  final backupIdHex = uint8ListToHex(backupId).toLowerCase();

-  return "${backupServerUrl}backups/$backupIdHex";
+  return '${backupServerUrl}backups/$backupIdHex';
 }
--- a/lib/src/services/twonly_safe/create_backup.twonly_safe.dart
+++ b/lib/src/services/twonly_safe/create_backup.twonly_safe.dart
@ -1,3 +1,5 @@
+// ignore_for_file: parameter_assignments
+
 import 'dart:convert';
 import 'dart:io';
 import 'package:background_downloader/background_downloader.dart';
@ -31,8 +33,8 @@ Future<void> performTwonlySafeBackup({bool force = false}) async {
    return;
  }

-  final DateTime? lastUpdateTime = user.twonlySafeBackup!.lastBackupDone;
-  if (!force && lastUpdateTime != null) {
+  final lastUpdateTime = user.twonlySafeBackup!.lastBackupDone;
+  if (force != true && lastUpdateTime != null) {
    if (lastUpdateTime
        .isAfter(DateTime.now().subtract(const Duration(days: 1)))) {
      return;
@ -179,8 +181,6 @@ Future<void> performTwonlySafeBackup({bool force = false}) async {
    file: encryptedBackupBytesFile,
    httpRequestMethod: 'PUT',
    url: (await getTwonlySafeBackupUrl())!,
-    // requiresWiFi: true,
-    priority: 5,
    post: 'binary',
    retries: 2,
    headers: {
--- a/lib/src/utils/log.dart
+++ b/lib/src/utils/log.dart
@ -36,8 +36,8 @@ Future<String> loadLogFile() async {
  final directory = await getApplicationSupportDirectory();
  final logFile = File('${directory.path}/app.log');

-  if (await logFile.exists()) {
-    return await logFile.readAsString();
+  if (logFile.existsSync()) {
+    return logFile.readAsString();
  } else {
    return 'Log file does not exist.';
  }
@ -51,7 +51,7 @@ Future<void> _writeLogToFile(LogRecord record) async {
  final logMessage =
      '${DateTime.now().toString().split(".")[0]} ${record.level.name} [twonly] ${record.loggerName} > ${record.message}\n';

-  writeToLogGuard.protect(() async {
+  await writeToLogGuard.protect(() async {
    // Append the log message to the file
    await logFile.writeAsString(logMessage, mode: FileMode.append);
  });
@ -61,7 +61,7 @@ Future<bool> deleteLogFile() async {
  final directory = await getApplicationSupportDirectory();
  final logFile = File('${directory.path}/app.log');

-  if (await logFile.exists()) {
+  if (logFile.existsSync()) {
    await logFile.delete();
    return true;
  }
@ -69,18 +69,18 @@ Future<bool> deleteLogFile() async {
 }

 String _getCallerSourceCodeFilename() {
-  StackTrace stackTrace = StackTrace.current;
-  String stackTraceString = stackTrace.toString();
-  String fileName = "";
-  String lineNumber = "";
-  List<String> stackLines = stackTraceString.split('\n');
+  final stackTrace = StackTrace.current;
+  final stackTraceString = stackTrace.toString();
+  var fileName = '';
+  var lineNumber = '';
+  final stackLines = stackTraceString.split('\n');
  if (stackLines.length > 2) {
-    String callerInfo = stackLines[2];
-    List<String> parts = callerInfo.split('/');
+    final callerInfo = stackLines[2];
+    final parts = callerInfo.split('/');
    fileName = parts.last.split(':').first; // Extract the file name
    lineNumber = parts.last.split(':')[1]; // Extract the line number
  } else {
-    String firstLine = stackTraceString.split('\n')[0];
+    final firstLine = stackTraceString.split('\n')[0];
    fileName =
        firstLine.split('/').last.split(':').first; // Extract the file name
    lineNumber = firstLine.split(':')[1]; // Extract the line number
--- a/lib/src/views/camera/camera_preview_components/permissions_view.dart
+++ b/lib/src/views/camera/camera_preview_components/permissions_view.dart
@ -1,9 +1,11 @@
+// ignore_for_file: avoid_dynamic_calls
+
 import 'package:flutter/material.dart';
 import 'package:permission_handler/permission_handler.dart';
 import 'package:twonly/src/utils/log.dart';

 class PermissionHandlerView extends StatefulWidget {
-  const PermissionHandlerView({super.key, required this.onSuccess});
+  const PermissionHandlerView({required this.onSuccess, super.key});

  final Function onSuccess;

@ -25,7 +27,7 @@ Future<bool> checkPermissions() async {
 class PermissionHandlerViewState extends State<PermissionHandlerView> {
  Future<Map<Permission, PermissionStatus>> permissionServices() async {
    // try {
-    Map<Permission, PermissionStatus> statuses = await [
+    final statuses = await [
      Permission.camera,
      // Permission.microphone,
      Permission.notification
@ -57,18 +59,17 @@ class PermissionHandlerViewState extends State<PermissionHandlerView> {
    return Scaffold(
      body: Center(
        child: Container(
-          padding: EdgeInsets.all(100),
+          padding: const EdgeInsets.all(100),
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
-            crossAxisAlignment: CrossAxisAlignment.center,
            children: [
-              Text(
-                "twonly needs access to the camera and microphone.",
+              const Text(
+                'twonly needs access to the camera and microphone.',
                textAlign: TextAlign.center,
              ),
-              SizedBox(height: 50),
+              const SizedBox(height: 50),
              FilledButton.icon(
-                label: Text("Request permissions"),
+                label: const Text('Request permissions'),
                icon: const Icon(Icons.perm_camera_mic),
                onPressed: () async {
                  try {
--- a/lib/src/views/camera/camera_preview_components/save_to_gallery.dart
+++ b/lib/src/views/camera/camera_preview_components/save_to_gallery.dart
@ -1,31 +1,31 @@
+import 'dart:async';
 import 'dart:io';
 import 'dart:math';
+import 'dart:typed_data';
+
 import 'package:flutter/material.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 import 'package:path/path.dart';
 import 'package:twonly/src/services/api/media_upload.dart';
 import 'package:twonly/src/services/thumbnail.service.dart';
-import 'dart:typed_data';
-
 import 'package:twonly/src/utils/misc.dart';
 import 'package:twonly/src/utils/storage.dart';

 class SaveToGalleryButton extends StatefulWidget {
+  const SaveToGalleryButton({
+    required this.getMergedImage,
+    required this.isLoading,
+    required this.displayButtonLabel,
+    super.key,
+    this.mediaUploadId,
+    this.videoFilePath,
+  });
  final Future<Uint8List?> Function() getMergedImage;
  final bool displayButtonLabel;
  final File? videoFilePath;
  final int? mediaUploadId;
  final bool isLoading;

-  const SaveToGalleryButton({
-    super.key,
-    required this.getMergedImage,
-    required this.isLoading,
-    required this.displayButtonLabel,
-    this.mediaUploadId,
-    this.videoFilePath,
-  });
-
  @override
  State<SaveToGalleryButton> createState() => SaveToGalleryButtonState();
 }
@ -53,33 +53,33 @@ class SaveToGalleryButtonState extends State<SaveToGalleryButton> {
              });

              String? res;
-              String memoryPath = await getMediaBaseFilePath("memories");
+              var memoryPath = await getMediaBaseFilePath('memories');

              if (widget.mediaUploadId != null) {
-                memoryPath = join(memoryPath, "${widget.mediaUploadId!}");
+                memoryPath = join(memoryPath, '${widget.mediaUploadId!}');
              } else {
-                final Random random = Random();
-                String token = uint8ListToHex(
+                final random = Random();
+                final token = uint8ListToHex(
                    List<int>.generate(32, (i) => random.nextInt(256)));
                memoryPath = join(memoryPath, token);
              }
              final user = await getUser();
              if (user == null) return;
-              bool storeToGallery = user.storeMediaFilesInGallery;
+              final storeToGallery = user.storeMediaFilesInGallery;

              if (widget.videoFilePath != null) {
-                memoryPath += ".mp4";
+                memoryPath += '.mp4';
                await File(widget.videoFilePath!.path).copy(memoryPath);
-                createThumbnailsForVideo(File(memoryPath));
+                unawaited(createThumbnailsForVideo(File(memoryPath)));
                if (storeToGallery) {
                  res = await saveVideoToGallery(widget.videoFilePath!.path);
                }
              } else {
-                memoryPath += ".png";
-                Uint8List? imageBytes = await widget.getMergedImage();
+                memoryPath += '.png';
+                final imageBytes = await widget.getMergedImage();
                if (imageBytes == null || !mounted) return;
                await File(memoryPath).writeAsBytes(imageBytes);
-                createThumbnailsForImage(File(memoryPath));
+                unawaited(createThumbnailsForImage(File(memoryPath)));
                if (storeToGallery) {
                  res = await saveImageToGallery(imageBytes);
                }
@ -92,7 +92,7 @@ class SaveToGalleryButtonState extends State<SaveToGalleryButton> {
                ScaffoldMessenger.of(context).showSnackBar(
                  SnackBar(
                    content: Text(res),
-                    duration: Duration(seconds: 3),
+                    duration: const Duration(seconds: 3),
                  ),
                );
              }
@ -102,15 +102,16 @@ class SaveToGalleryButtonState extends State<SaveToGalleryButton> {
            },
      child: Row(
        children: [
-          (_imageSaving || widget.isLoading)
-              ? SizedBox(
-                  width: 12,
-                  height: 12,
-                  child: CircularProgressIndicator(strokeWidth: 1))
-              : _imageSaved
-                  ? Icon(Icons.check)
-                  : FaIcon(FontAwesomeIcons.floppyDisk),
-          if (widget.displayButtonLabel) SizedBox(width: 10),
+          if (_imageSaving || widget.isLoading)
+            const SizedBox(
+                width: 12,
+                height: 12,
+                child: CircularProgressIndicator(strokeWidth: 1))
+          else
+            _imageSaved
+                ? const Icon(Icons.check)
+                : const FaIcon(FontAwesomeIcons.floppyDisk),
+          if (widget.displayButtonLabel) const SizedBox(width: 10),
          if (widget.displayButtonLabel)
            Text(_imageSaved
                ? context.lang.shareImagedEditorSavedImage
--- a/lib/src/views/camera/camera_preview_components/send_to.dart
+++ b/lib/src/views/camera/camera_preview_components/send_to.dart
@ -2,29 +2,28 @@ import 'package:flutter/material.dart';
 import 'package:twonly/src/utils/misc.dart';

 class SendToWidget extends StatelessWidget {
-  final String sendTo;
-
  const SendToWidget({
-    super.key,
    required this.sendTo,
+    super.key,
  });
+  final String sendTo;

  @override
  Widget build(BuildContext context) {
-    TextStyle textStyle = TextStyle(
+    const textStyle = TextStyle(
      color: Colors.white,
      fontWeight: FontWeight.bold,
      fontSize: 24,
      decoration: TextDecoration.none,
      shadows: [
        Shadow(
-          color: const Color.fromARGB(122, 0, 0, 0),
-          blurRadius: 5.0,
+          color: Color.fromARGB(122, 0, 0, 0),
+          blurRadius: 5,
        ),
      ],
    );

-    TextStyle boldTextStyle = textStyle.copyWith(
+    final boldTextStyle = textStyle.copyWith(
      fontWeight: FontWeight.normal,
      fontSize: 28,
    );
--- a/lib/src/views/camera/camera_preview_components/video_recording_time.dart
+++ b/lib/src/views/camera/camera_preview_components/video_recording_time.dart
@ -1,14 +1,13 @@
 import 'package:flutter/material.dart';

 class VideoRecordingTimer extends StatelessWidget {
-  final DateTime? videoRecordingStarted;
-  final int maxVideoRecordingTime;
-
  const VideoRecordingTimer({
-    super.key,
    required this.videoRecordingStarted,
    required this.maxVideoRecordingTime,
+    super.key,
  });
+  final DateTime? videoRecordingStarted;
+  final int maxVideoRecordingTime;

  @override
  Widget build(BuildContext context) {
@ -26,11 +25,12 @@ class VideoRecordingTimer extends StatelessWidget {
              children: [
                Center(
                  child: CircularProgressIndicator(
-                    value: (currentTime.difference(videoRecordingStarted!))
+                    value: currentTime
+                            .difference(videoRecordingStarted!)
                            .inMilliseconds /
                        (maxVideoRecordingTime * 1000),
                    strokeWidth: 4,
-                    valueColor: AlwaysStoppedAnimation<Color>(Colors.red),
+                    valueColor: const AlwaysStoppedAnimation<Color>(Colors.red),
                    backgroundColor: Colors.grey[300],
                  ),
                ),
@ -46,7 +46,7 @@ class VideoRecordingTimer extends StatelessWidget {
                      shadows: [
                        Shadow(
                          color: Color.fromARGB(122, 0, 0, 0),
-                          blurRadius: 5.0,
+                          blurRadius: 5,
                        )
                      ],
                    ),
--- a/lib/src/views/camera/camera_preview_components/zoom_selector.dart
+++ b/lib/src/views/camera/camera_preview_components/zoom_selector.dart
@ -1,14 +1,17 @@
+// ignore_for_file: avoid_dynamic_calls
+
 import 'dart:math';

 import 'package:camera/camera.dart';
 import 'package:flutter/material.dart';

 class CameraZoomButtons extends StatefulWidget {
-  const CameraZoomButtons(
-      {super.key,
-      required this.controller,
-      required this.updateScaleFactor,
-      required this.scaleFactor});
+  const CameraZoomButtons({
+    required this.controller,
+    required this.updateScaleFactor,
+    required this.scaleFactor,
+    super.key,
+  });

  final CameraController controller;
  final double scaleFactor;
@ -20,7 +23,7 @@ class CameraZoomButtons extends StatefulWidget {

 String beautifulZoomScale(double scale) {
  var tmp = scale.toStringAsFixed(1);
-  if (tmp[0] == "0") {
+  if (tmp[0] == '0') {
    tmp = tmp.substring(1, tmp.length);
  }
  return tmp;
@ -50,20 +53,20 @@ class _CameraZoomButtonsState extends State<CameraZoomButtons> {

  @override
  Widget build(BuildContext context) {
-    var zoomButtonStyle = TextButton.styleFrom(
+    final zoomButtonStyle = TextButton.styleFrom(
      padding: EdgeInsets.zero,
      foregroundColor: Colors.white,
-      minimumSize: Size(40, 40),
+      minimumSize: const Size(40, 40),
      alignment: Alignment.center,
      tapTargetSize: MaterialTapTargetSize.shrinkWrap,
    );

-    final zoomTextStyle = TextStyle(fontSize: 13);
+    const zoomTextStyle = TextStyle(fontSize: 13);
    final isMiddleFocused = widget.scaleFactor >= 1 && widget.scaleFactor < 2;
    return Center(
      child: ClipRRect(
-        borderRadius: BorderRadius.circular(40.0),
-        child: Container(
+        borderRadius: BorderRadius.circular(40),
+        child: ColoredBox(
          color: const Color.fromARGB(90, 0, 0, 0),
          child: Row(
            mainAxisAlignment: MainAxisAlignment.center,
@ -76,25 +79,24 @@ class _CameraZoomButtonsState extends State<CameraZoomButtons> {
                    ),
                  ),
                  onPressed: () async {
-                    var level = await widget.controller.getMinZoomLevel();
+                    final level = await widget.controller.getMinZoomLevel();
                    widget.updateScaleFactor(level);
                  },
                  child: FutureBuilder(
                    future: widget.controller.getMinZoomLevel(),
                    builder: (context, snap) {
                      if (snap.hasData) {
-                        var minLevel =
-                            beautifulZoomScale(snap.data!.toDouble());
-                        var currentLevel =
+                        final minLevel = beautifulZoomScale(snap.data!);
+                        final currentLevel =
                            beautifulZoomScale(widget.scaleFactor);
                        return Text(
                          widget.scaleFactor < 1
-                              ? "${currentLevel}x"
-                              : "${minLevel}x",
+                              ? '${currentLevel}x'
+                              : '${minLevel}x',
                          style: zoomTextStyle,
                        );
                      } else {
-                        return Text("");
+                        return const Text('');
                      }
                    },
                  ),
@ -109,9 +111,9 @@ class _CameraZoomButtonsState extends State<CameraZoomButtons> {
                    widget.updateScaleFactor(1.0);
                  },
                  child: Text(
-                    (isMiddleFocused)
-                        ? "${beautifulZoomScale(widget.scaleFactor)}x"
-                        : "1.0x",
+                    isMiddleFocused
+                        ? '${beautifulZoomScale(widget.scaleFactor)}x'
+                        : '1.0x',
                    style: zoomTextStyle,
                  )),
              TextButton(
@ -121,23 +123,24 @@ class _CameraZoomButtonsState extends State<CameraZoomButtons> {
                  ),
                ),
                onPressed: () async {
-                  var level = min(await widget.controller.getMaxZoomLevel(), 2)
-                      .toDouble();
+                  final level =
+                      min(await widget.controller.getMaxZoomLevel(), 2)
+                          .toDouble();
                  widget.updateScaleFactor(level);
                },
                child: FutureBuilder(
                    future: widget.controller.getMaxZoomLevel(),
                    builder: (context, snap) {
                      if (snap.hasData) {
-                        var maxLevel = max(
+                        final maxLevel = max(
                          min((snap.data?.toInt())!, 2),
                          widget.scaleFactor,
                        );
                        return Text(
-                            "${beautifulZoomScale(maxLevel.toDouble())}x",
+                            '${beautifulZoomScale(maxLevel.toDouble())}x',
                            style: zoomTextStyle);
                      } else {
-                        return Text("");
+                        return const Text('');
                      }
                    }),
              )
--- a/lib/src/views/camera/camera_preview_controller_view.dart
+++ b/lib/src/views/camera/camera_preview_controller_view.dart
@ -26,26 +26,28 @@ import 'package:twonly/src/views/home.view.dart';
 int maxVideoRecordingTime = 15;

 Future<(SelectedCameraDetails, CameraController)?> initializeCameraController(
-    SelectedCameraDetails details,
-    int sCameraId,
-    bool init,
-    bool enableAudio) async {
-  if (sCameraId >= gCameras.length) return null;
+  SelectedCameraDetails details,
+  int sCameraId,
+  bool init,
+  bool enableAudio,
+) async {
+  var cameraId = sCameraId;
+  if (cameraId >= gCameras.length) return null;
  if (init) {
-    for (; sCameraId < gCameras.length; sCameraId++) {
-      if (gCameras[sCameraId].lensDirection == CameraLensDirection.back) {
+    for (; cameraId < gCameras.length; cameraId++) {
+      if (gCameras[cameraId].lensDirection == CameraLensDirection.back) {
        break;
      }
    }
  }
  details.isZoomAble = false;
-  if (details.cameraId != sCameraId) {
+  if (details.cameraId != cameraId) {
    // switch between front and back
    details.scaleFactor = 1;
  }

  final cameraController = CameraController(
-    gCameras[sCameraId],
+    gCameras[cameraId],
    ResolutionPreset.high,
    enableAudio: enableAudio,
  );
@ -64,9 +66,9 @@ Future<(SelectedCameraDetails, CameraController)?> initializeCameraController(
    details
      ..isZoomAble = details.maxAvailableZoom != details.minAvailableZoom
      ..cameraLoaded = true
-      ..cameraId = sCameraId;
+      ..cameraId = cameraId;
  }).catchError((Object e) {
-    Log.error("$e");
+    Log.error('$e');
  });
  return (details, cameraController);
 }
@ -213,7 +215,7 @@ class _CameraPreviewViewState extends State<CameraPreviewView> {
  Future<Uint8List?> loadAndDeletePictureFromFile(XFile picture) async {
    try {
      // Load the image into bytes
-      final Uint8List imageBytes = await picture.readAsBytes();
+      final imageBytes = await picture.readAsBytes();
      // Remove the image file
      await File(picture.path).delete();
      return imageBytes;
@ -400,7 +402,7 @@ class _CameraPreviewViewState extends State<CameraPreviewView> {
      videoRecordingTimer = null;
    }
    if (cameraController == null || !cameraController!.value.isRecordingVideo) {
-      return null;
+      return;
    }

    try {
@ -414,8 +416,8 @@ class _CameraPreviewViewState extends State<CameraPreviewView> {
      if (videoPath != null) {
        if (Platform.isAndroid) {
          // see https://github.com/flutter/flutter/issues/148335
-          await File(videoPath.path).rename("${videoPath.path}.mp4");
-          videoPathFile = File("${videoPath.path}.mp4");
+          await File(videoPath.path).rename('${videoPath.path}.mp4');
+          videoPathFile = File('${videoPath.path}.mp4');
        } else {
          videoPathFile = File(videoPath.path);
        }
@ -426,12 +428,12 @@ class _CameraPreviewViewState extends State<CameraPreviewView> {
      }
    } on CameraException catch (e) {
      _showCameraException(e);
-      return null;
+      return;
    }
  }

  void _showCameraException(dynamic e) {
-    Log.error("$e");
+    Log.error('$e');
    try {
      if (context.mounted) {
        // ignore: use_build_context_synchronously
@ -536,10 +538,12 @@ class _CameraPreviewViewState extends State<CameraPreviewView> {
                              : Colors.white.withAlpha(160),
                          onPressed: () async {
                            if (selectedCameraDetails.isFlashOn) {
-                              cameraController?.setFlashMode(FlashMode.off);
+                              await cameraController
+                                  ?.setFlashMode(FlashMode.off);
                              selectedCameraDetails.isFlashOn = false;
                            } else {
-                              cameraController?.setFlashMode(FlashMode.always);
+                              await cameraController
+                                  ?.setFlashMode(FlashMode.always);
                              selectedCameraDetails.isFlashOn = true;
                            }
                            setState(() {});
@ -566,16 +570,16 @@ class _CameraPreviewViewState extends State<CameraPreviewView> {
                            Icons.mic_off_rounded,
                            color: Colors.white.withAlpha(160),
                            tooltipText:
-                                "Allow microphone access for video recording.",
+                                'Allow microphone access for video recording.',
                            onPressed: requestMicrophonePermission,
                          ),
                        if (hasAudioPermission)
                          ActionButton(
-                            (videoWithAudio)
+                            videoWithAudio
                                ? Icons.volume_up_rounded
                                : Icons.volume_off_rounded,
-                            tooltipText: "Record video with audio.",
-                            color: (videoWithAudio)
+                            tooltipText: 'Record video with audio.',
+                            color: videoWithAudio
                                ? Colors.white
                                : Colors.white.withAlpha(160),
                            onPressed: () async {
@ -614,13 +618,11 @@ class _CameraPreviewViewState extends State<CameraPreviewView> {
                      const SizedBox(height: 30),
                      Row(
                        mainAxisAlignment: MainAxisAlignment.center,
-                        crossAxisAlignment: CrossAxisAlignment.center,
                        children: [
                          if (!isVideoRecording)
                            GestureDetector(
                              onTap: pickImageFromGallery,
                              child: Align(
-                                alignment: Alignment.center,
                                child: Container(
                                  height: 50,
                                  width: 80,
@ -640,7 +642,6 @@ class _CameraPreviewViewState extends State<CameraPreviewView> {
                            // onLongPress: startVideoRecording,
                            key: keyTriggerButton,
                            child: Align(
-                              alignment: Alignment.center,
                              child: Container(
                                height: 100,
                                width: 100,
--- a/lib/src/views/camera/camera_send_to_view.dart
+++ b/lib/src/views/camera/camera_send_to_view.dart
@ -44,7 +44,7 @@ class CameraSendToViewState extends State<CameraSendToView> {
  Future<void> toggleSelectedCamera() async {
    await cameraController?.dispose();
    cameraController = null;
-    selectCamera((selectedCameraDetails.cameraId + 1) % 2, false, false);
+    await selectCamera((selectedCameraDetails.cameraId + 1) % 2, false, false);
  }

  @override
@ -54,7 +54,7 @@ class CameraSendToViewState extends State<CameraSendToView> {
        onDoubleTap: toggleSelectedCamera,
        child: Stack(
          children: [
-            SendToCameraPreview(),
+            const SendToCameraPreview(),
            CameraPreviewControllerView(
              selectCamera: selectCamera,
              sendTo: widget.sendTo,
--- a/lib/src/views/camera/image_editor/action_button.dart
+++ b/lib/src/views/camera/image_editor/action_button.dart
@ -2,19 +2,20 @@ import 'package:flutter/material.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';

 class ActionButton extends StatelessWidget {
+  const ActionButton(
+    this.icon, {
+    required this.tooltipText,
+    super.key,
+    this.onPressed,
+    this.color,
+    this.disable = false,
+  });
  final VoidCallback? onPressed;
  final IconData? icon;
  final Color? color;
  final String tooltipText;
  final bool disable;

-  const ActionButton(this.icon,
-      {super.key,
-      this.onPressed,
-      this.color,
-      required this.tooltipText,
-      this.disable = false});
-
  @override
  Widget build(BuildContext context) {
    return Tooltip(
@ -26,10 +27,10 @@ class ActionButton extends StatelessWidget {
          color: disable
              ? const Color.fromARGB(154, 255, 255, 255)
              : color ?? Colors.white,
-          shadows: [
+          shadows: const [
            Shadow(
-              color: const Color.fromARGB(122, 0, 0, 0),
-              blurRadius: 5.0,
+              color: Color.fromARGB(122, 0, 0, 0),
+              blurRadius: 5,
            )
          ],
        ),
--- a/lib/src/views/camera/image_editor/data/image_item.dart
+++ b/lib/src/views/camera/image_editor/data/image_item.dart
@ -3,15 +3,14 @@ import 'dart:typed_data';
 import 'package:flutter/material.dart';

 class ImageItem {
+  ImageItem([dynamic image]) {
+    if (image != null) load(image);
+  }
  int width = 1;
  int height = 1;
  Uint8List bytes = Uint8List.fromList([]);
  Completer<bool> loader = Completer<bool>();

-  ImageItem([dynamic image]) {
-    if (image != null) load(image);
-  }
-
  Future<void> load(dynamic image) async {
    loader = Completer<bool>();

@ -24,7 +23,7 @@ class ImageItem {
      return loader.complete(true);
    } else if (image is Uint8List) {
      bytes = image;
-      var decodedImage = await decodeImageFromList(bytes);
+      final decodedImage = await decodeImageFromList(bytes);

      height = decodedImage.height;
      width = decodedImage.width;
--- a/lib/src/views/camera/image_editor/data/layer.dart
+++ b/lib/src/views/camera/image_editor/data/layer.dart
@ -1,18 +1,13 @@
+// ignore_for_file: comment_references
+
 import 'package:flutter/material.dart';
 import 'package:hand_signature/signature.dart';
 import 'package:twonly/src/views/camera/image_editor/data/image_item.dart';

 /// Layer class with some common properties
 class Layer {
-  Offset offset;
-  double rotation, scale, opacity;
-  bool isEditing;
-  bool isDeleted;
-  bool hasCustomActionButtons;
-  bool showCustomButtons;
-
  Layer({
-    this.offset = const Offset(0, 0),
+    this.offset = Offset.zero,
    this.opacity = 1,
    this.isEditing = false,
    this.isDeleted = false,
@ -21,24 +16,28 @@ class Layer {
    this.rotation = 0,
    this.scale = 1,
  });
+  Offset offset;
+  double rotation;
+  double scale;
+  double opacity;
+  bool isEditing;
+  bool isDeleted;
+  bool hasCustomActionButtons;
+  bool showCustomButtons;
 }

 /// Attributes used by [BackgroundLayer]
 class BackgroundLayerData extends Layer {
-  ImageItem image;
-
  BackgroundLayerData({
    required this.image,
  });
+  ImageItem image;
 }

 class FilterLayerData extends Layer {}

 /// Attributes used by [EmojiLayer]
 class EmojiLayerData extends Layer {
-  String text;
-  double size;
-
  EmojiLayerData({
    this.text = '',
    this.size = 64,
@ -48,31 +47,27 @@ class EmojiLayerData extends Layer {
    super.scale,
    super.isEditing,
  });
+  String text;
+  double size;
 }

 /// Attributes used by [TextLayer]
 class TextLayerData extends Layer {
-  String text;
-  int textLayersBefore;
  TextLayerData({
-    this.text = "",
    required this.textLayersBefore,
+    this.text = '',
    super.offset,
    super.opacity,
    super.rotation,
    super.scale,
    super.isEditing = true,
  });
+  String text;
+  int textLayersBefore;
 }

 /// Attributes used by [DrawLayer]
 class DrawLayerData extends Layer {
-  final control = HandSignatureControl(
-    threshold: 3.0,
-    smoothRatio: 0.65,
-    velocityRange: 2.0,
-  );
-
  // String text;
  DrawLayerData({
    super.offset,
@ -82,4 +77,5 @@ class DrawLayerData extends Layer {
    super.hasCustomActionButtons = true,
    super.isEditing = true,
  });
+  final control = HandSignatureControl();
 }
--- a/lib/src/views/camera/image_editor/layers/background_layer.dart
+++ b/lib/src/views/camera/image_editor/layers/background_layer.dart
@ -3,14 +3,13 @@ import 'package:twonly/src/views/camera/image_editor/data/layer.dart';

 /// Main layer
 class BackgroundLayer extends StatefulWidget {
-  final BackgroundLayerData layerData;
-  final VoidCallback? onUpdate;
-
  const BackgroundLayer({
-    super.key,
    required this.layerData,
+    super.key,
    this.onUpdate,
  });
+  final BackgroundLayerData layerData;
+  final VoidCallback? onUpdate;

  @override
  State<BackgroundLayer> createState() => _BackgroundLayerState();
--- a/lib/src/views/camera/image_editor/layers/draw_layer.dart
+++ b/lib/src/views/camera/image_editor/layers/draw_layer.dart
@ -2,27 +2,26 @@ import 'package:flutter/material.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 import 'package:hand_signature/signature.dart';
 import 'package:screenshot/screenshot.dart';
+import 'package:twonly/src/utils/misc.dart';
 import 'package:twonly/src/views/camera/image_editor/action_button.dart';
 import 'package:twonly/src/views/camera/image_editor/data/layer.dart';
-import 'package:twonly/src/utils/misc.dart';

 class DrawLayer extends StatefulWidget {
-  final DrawLayerData layerData;
-  final VoidCallback? onUpdate;
-
  const DrawLayer({
-    super.key,
    required this.layerData,
+    super.key,
    this.onUpdate,
  });
+  final DrawLayerData layerData;
+  final VoidCallback? onUpdate;
  @override
-  createState() => _DrawLayerState();
+  State<DrawLayer> createState() => _DrawLayerState();
 }

 class _DrawLayerState extends State<DrawLayer> {
  Color currentColor = Colors.red;

-  var screenshotController = ScreenshotController();
+  ScreenshotController screenshotController = ScreenshotController();

  List<CubicPath> undoList = [];
  bool skipNextEvent = false;
@ -48,7 +47,7 @@ class _DrawLayerState extends State<DrawLayer> {

  double _sliderValue = 0.125;

-  final colors = [
+  final List<Color> colors = [
    Colors.white,
    Colors.red,
    Colors.orange,
@ -61,11 +60,11 @@ class _DrawLayerState extends State<DrawLayer> {

  Color _getColorFromSliderValue(double value) {
    // Calculate the index based on the slider value
-    int index = (value * (colors.length - 1)).floor();
-    int nextIndex = (index + 1).clamp(0, colors.length - 1);
+    final index = (value * (colors.length - 1)).floor();
+    final nextIndex = (index + 1).clamp(0, colors.length - 1);

    // Calculate the interpolation factor
-    double factor = value * (colors.length - 1) - index;
+    final factor = value * (colors.length - 1) - index;

    // Interpolate between the two colors
    return Color.lerp(colors[index], colors[nextIndex], factor)!;
@ -85,17 +84,14 @@ class _DrawLayerState extends State<DrawLayer> {
      children: [
        Positioned.fill(
          child: Container(
-            decoration: BoxDecoration(
+            decoration: const BoxDecoration(
              color: Colors.transparent,
            ),
            child: Screenshot(
              controller: screenshotController,
              child: HandSignature(
                control: widget.layerData.control,
-                color: currentColor,
-                width: 1.0,
-                maxWidth: 7.0,
-                type: SignatureDrawType.shape,
+                drawer: LineSignatureDrawer(color: currentColor, width: 7),
              ),
            ),
          ),
@ -112,9 +108,7 @@ class _DrawLayerState extends State<DrawLayer> {
                  tooltipText: context.lang.imageEditorDrawOk,
                  onPressed: () async {
                    widget.layerData.isEditing = false;
-                    if (widget.onUpdate != null) {
-                      widget.onUpdate!();
-                    }
+                    widget.onUpdate!();
                    setState(() {});
                  },
                ),
@ -200,8 +194,6 @@ class _DrawLayerState extends State<DrawLayer> {
                          showMagnifyingGlass = false;
                        })
                      },
-                      min: 0.0,
-                      max: 1.0,
                      divisions: 100,
                    ),
                  ),
@ -226,10 +218,9 @@ class _DrawLayerState extends State<DrawLayer> {
 }

 class MagnifyingGlass extends StatelessWidget {
+  const MagnifyingGlass({required this.color, super.key});
  final Color color;

-  const MagnifyingGlass({super.key, required this.color});
-
  @override
  Widget build(BuildContext context) {
    return SizedBox(
--- a/lib/src/views/camera/image_editor/layers/emoji_layer.dart
+++ b/lib/src/views/camera/image_editor/layers/emoji_layer.dart
@ -68,9 +68,7 @@ class _EmojiLayerState extends State<EmojiLayer> {
                }
                if (deleteLayer) {
                  widget.layerData.isDeleted = true;
-                  if (widget.onUpdate != null) {
-                    widget.onUpdate!();
-                  }
+                  widget.onUpdate!();
                }
              });
            },
@ -138,7 +136,7 @@ class _EmojiLayerState extends State<EmojiLayer> {
                  padding: const EdgeInsets.all(44),
                  color: Colors.transparent,
                  child: Text(
-                    widget.layerData.text.toString(),
+                    widget.layerData.text,
                    style: TextStyle(
                      fontSize: widget.layerData.size,
                    ),
@ -157,7 +155,7 @@ class _EmojiLayerState extends State<EmojiLayer> {
              child: GestureDetector(
                child: ActionButton(
                  FontAwesomeIcons.trashCan,
-                  tooltipText: "",
+                  tooltipText: '',
                  color: deleteLayer ? Colors.red : Colors.white,
                ),
              ),
--- a/lib/src/views/camera/image_editor/layers/filter_layer.dart
+++ b/lib/src/views/camera/image_editor/layers/filter_layer.dart
@ -60,7 +60,7 @@ class FilterText extends StatelessWidget {
        shadows: const [
          Shadow(
            color: Color.fromARGB(122, 0, 0, 0),
-            blurRadius: 5.0,
+            blurRadius: 5,
          )
        ],
      ),
--- a/lib/src/views/camera/image_editor/layers/filters/datetime_filter.dart
+++ b/lib/src/views/camera/image_editor/layers/filters/datetime_filter.dart
@ -9,8 +9,8 @@ class DateTimeFilter extends StatelessWidget {

  @override
  Widget build(BuildContext context) {
-    String currentTime = DateFormat('HH:mm').format(DateTime.now());
-    String currentDate = DateFormat('dd.MM.yyyy').format(DateTime.now());
+    final currentTime = DateFormat('HH:mm').format(DateTime.now());
+    final currentDate = DateFormat('dd.MM.yyyy').format(DateTime.now());
    return FilterSkeleton(
      child: Positioned(
        bottom: 80,
--- a/lib/src/views/camera/image_editor/layers/filters/image_filter.dart
+++ b/lib/src/views/camera/image_editor/layers/filters/image_filter.dart
@ -3,7 +3,7 @@ import 'package:flutter/material.dart';
 import 'package:twonly/src/views/camera/image_editor/layers/filter_layer.dart';

 class ImageFilter extends StatelessWidget {
-  const ImageFilter({super.key, required this.imagePath});
+  const ImageFilter({required this.imagePath, super.key});
  final String imagePath;

  @override
@ -15,7 +15,7 @@ class ImageFilter extends StatelessWidget {
        right: 10,
        child: Center(
          child: CachedNetworkImage(
-            imageUrl: "https://twonly.eu/$imagePath",
+            imageUrl: 'https://twonly.eu/$imagePath',
            height: 150,
          ),
        ),
--- a/lib/src/views/camera/image_editor/layers/filters/location_filter.dart
+++ b/lib/src/views/camera/image_editor/layers/filters/location_filter.dart
@ -99,7 +99,6 @@ class _LocationFilterState extends State<LocationFilter> {
            bottom: 50,
            left: 40,
            child: Column(
-              mainAxisAlignment: MainAxisAlignment.start,
              children: [
                FilterText(location!.city),
                FilterText(location!.county),
@ -131,8 +130,8 @@ Future<List<Sticker>> getStickerIndex() async {
  final indexFile = File('${directory.path}/stickers.json');
  var res = <Sticker>[];

-  if (await indexFile.exists() && !kDebugMode) {
-    final lastModified = await indexFile.lastModified();
+  if (indexFile.existsSync() && !kDebugMode) {
+    final lastModified = indexFile.lastModifiedSync();
    final difference = DateTime.now().difference(lastModified);
    final content = await indexFile.readAsString();
    final jsonList = json.decode(content) as List;
--- a/lib/src/views/camera/image_editor/layers/text_layer.dart
+++ b/lib/src/views/camera/image_editor/layers/text_layer.dart
@ -1,3 +1,5 @@
+// ignore_for_file: prefer_null_aware_method_calls
+
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
@ -8,16 +10,15 @@ import 'package:twonly/src/views/camera/image_editor/data/layer.dart';

 /// Text layer
 class TextLayer extends StatefulWidget {
-  final TextLayerData layerData;
-  final VoidCallback? onUpdate;
-
  const TextLayer({
-    super.key,
    required this.layerData,
+    super.key,
    this.onUpdate,
  });
+  final TextLayerData layerData;
+  final VoidCallback? onUpdate;
  @override
-  createState() => _TextViewState();
+  State<TextLayer> createState() => _TextViewState();
 }

 class _TextViewState extends State<TextLayer> {
@ -69,7 +70,7 @@ class _TextViewState extends State<TextLayer> {
            minLines: 1,
            onEditingComplete: () {
              setState(() {
-                widget.layerData.isDeleted = textController.text == "";
+                widget.layerData.isDeleted = textController.text == '';
                widget.layerData.isEditing = false;
                widget.layerData.text = textController.text;
              });
@ -83,10 +84,10 @@ class _TextViewState extends State<TextLayer> {
            },
            onTapOutside: (a) {
              widget.layerData.text = textController.text;
-              Future.delayed(Duration(milliseconds: 100), () {
+              Future.delayed(const Duration(milliseconds: 100), () {
                if (context.mounted) {
                  setState(() {
-                    widget.layerData.isDeleted = textController.text == "";
+                    widget.layerData.isDeleted = textController.text == '';
                    widget.layerData.isEditing = false;
                    context
                        .read<ImageEditorProvider>()
@ -102,10 +103,10 @@ class _TextViewState extends State<TextLayer> {
                  .read<ImageEditorProvider>()
                  .updateSomeTextViewIsAlreadyEditing(false);
            },
-            decoration: InputDecoration(
+            decoration: const InputDecoration(
              border: InputBorder.none,
              isDense: true,
-              contentPadding: const EdgeInsets.symmetric(
+              contentPadding: EdgeInsets.symmetric(
                horizontal: 8,
                vertical: 4,
              ),
@ -136,7 +137,7 @@ class _TextViewState extends State<TextLayer> {
            onScaleEnd: (d) {
              if (deleteLayer) {
                widget.layerData.isDeleted = true;
-                textController.text = "";
+                textController.text = '';
              }
              elementIsScaled = false;
              if (widget.onUpdate != null) {
@ -161,8 +162,8 @@ class _TextViewState extends State<TextLayer> {
                widget.layerData.offset = Offset(
                    0, widget.layerData.offset.dy + detail.focalPointDelta.dy);
              }
-              final RenderBox renderBox =
-                  _widgetKey.currentContext!.findRenderObject() as RenderBox;
+              final renderBox =
+                  _widgetKey.currentContext!.findRenderObject()! as RenderBox;

              if (widget.layerData.offset.dy > renderBox.size.height - 80) {
                if (!deleteLayer) {
@ -198,11 +199,11 @@ class _TextViewState extends State<TextLayer> {
            child: Center(
              child: GestureDetector(
                onTapUp: (d) {
-                  textController.text = "";
+                  textController.text = '';
                },
                child: ActionButton(
                  FontAwesomeIcons.trashCan,
-                  tooltipText: "",
+                  tooltipText: '',
                  color: deleteLayer ? Colors.red : Colors.white,
                ),
              ),
--- a/lib/src/views/camera/image_editor/modules/all_emojis.dart
+++ b/lib/src/views/camera/image_editor/modules/all_emojis.dart
@ -7,7 +7,7 @@ class Emojis extends StatefulWidget {
  const Emojis({super.key});

  @override
-  createState() => _EmojisState();
+  State<Emojis> createState() => _EmojisState();
 }

 class _EmojisState extends State<Emojis> {
@ -57,7 +57,7 @@ class _EmojisState extends State<Emojis> {
  Widget build(BuildContext context) {
    return SingleChildScrollView(
      child: Container(
-        padding: const EdgeInsets.all(0.0),
+        padding: EdgeInsets.zero,
        height: 400,
        decoration: const BoxDecoration(
          borderRadius: BorderRadius.only(
@ -77,14 +77,12 @@ class _EmojisState extends State<Emojis> {
            const SizedBox(height: 16),
            Container(
              height: 315,
-              padding: const EdgeInsets.all(0.0),
+              padding: EdgeInsets.zero,
              child: GridView(
                shrinkWrap: true,
                physics: const ClampingScrollPhysics(),
-                scrollDirection: Axis.vertical,
                gridDelegate: const SliverGridDelegateWithMaxCrossAxisExtent(
-                  mainAxisSpacing: 0.0,
-                  maxCrossAxisExtent: 60.0,
+                  maxCrossAxisExtent: 60,
                ),
                children: lastUsed.map((String emoji) {
                  return GridTile(
--- a/lib/src/views/camera/share_image_components/best_friends_selector.dart
+++ b/lib/src/views/camera/share_image_components/best_friends_selector.dart
@ -58,7 +58,7 @@ class BestFriendsSelector extends StatelessWidget {
                        color: Color.fromRGBO(0, 0, 0, 0.1),
                      ),
                    ],
-                    borderRadius: BorderRadius.circular(8.0),
+                    borderRadius: BorderRadius.circular(8),
                  ),
                  child: Text(context.lang.shareImagedSelectAll,
                      style: const TextStyle(fontSize: 10)),
@ -143,7 +143,7 @@ class UserCheckbox extends StatelessWidget {
                color: Color.fromRGBO(0, 0, 0, 0.1),
              ),
            ],
-            borderRadius: BorderRadius.circular(8.0),
+            borderRadius: BorderRadius.circular(8),
          ),
          child: Row(
            children: [
--- a/lib/src/views/camera/share_image_editor_view.dart
+++ b/lib/src/views/camera/share_image_editor_view.dart
@ -61,7 +61,9 @@ class _ShareImageEditorView extends State<ShareImageEditorView> {
  bool loadingImage = true;
  bool isDisposed = false;
  HashSet<int> selectedUserIds = HashSet();
-  double widthRatio = 1, heightRatio = 1, pixelRatio = 1;
+  double widthRatio = 1;
+  double heightRatio = 1;
+  double pixelRatio = 1;
  VideoPlayerController? videoController;
  ImageItem currentImage = ImageItem();
  ScreenshotController screenshotController = ScreenshotController();
@ -93,7 +95,7 @@ class _ShareImageEditorView extends State<ShareImageEditorView> {
    }
  }

-  void initAsync() async {
+  Future<void> initAsync() async {
    final user = await getUser();
    if (user == null) return;
    if (user.defaultShowTime != null) {
--- a/lib/src/views/camera/share_image_view.dart
+++ b/lib/src/views/camera/share_image_view.dart
@ -56,7 +56,7 @@ class _ShareImageView extends State<ShareImageView> {
  final TextEditingController searchUserName = TextEditingController();
  bool showRealTwonlyWarning = false;
  late StreamSubscription<List<Contact>> contactSub;
-  String lastQuery = "";
+  String lastQuery = '';

  @override
  void initState() {
--- a/lib/src/views/chats/chat_list_components/backup_notice.card.dart
+++ b/lib/src/views/chats/chat_list_components/backup_notice.card.dart
@ -39,9 +39,9 @@ class _BackupNoticeCardState extends State<BackupNoticeCard> {

    return Card(
      elevation: 4,
-      margin: EdgeInsets.all(10),
+      margin: const EdgeInsets.all(10),
      child: Padding(
-        padding: const EdgeInsets.all(10.0),
+        padding: const EdgeInsets.all(10),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
@ -52,7 +52,7 @@ class _BackupNoticeCardState extends State<BackupNoticeCard> {
                fontWeight: FontWeight.bold,
              ),
            ),
-            SizedBox(height: 5),
+            const SizedBox(height: 5),
            Text(
              context.lang.backupNoticeDesc,
              style: const TextStyle(fontSize: 14),
@ -64,20 +64,20 @@ class _BackupNoticeCardState extends State<BackupNoticeCard> {
                  onPressed: () async {
                    await updateUserdata((user) {
                      user.nextTimeToShowBackupNotice =
-                          DateTime.now().add(Duration(days: 7));
+                          DateTime.now().add(const Duration(days: 7));
                      return user;
                    });
-                    initAsync();
+                    await initAsync();
                  },
                  child: Text(context.lang.backupNoticeLater),
                ),
-                SizedBox(width: 10),
+                const SizedBox(width: 10),
                FilledButton(
                  onPressed: () {
                    Navigator.push(
                      context,
                      MaterialPageRoute(
-                        builder: (context) => BackupView(),
+                        builder: (context) => const BackupView(),
                      ),
                    );
                  },
--- a/lib/src/views/chats/chat_list_components/connection_info.comp.dart
+++ b/lib/src/views/chats/chat_list_components/connection_info.comp.dart
@ -62,7 +62,7 @@ class _ConnectionInfoWidgetState extends State<ConnectionInfo>
  @override
  Widget build(BuildContext context) {
    if (!showAnimation || gIsDemoUser) return Container();
-    double screenWidth = MediaQuery.of(context).size.width;
+    final screenWidth = MediaQuery.of(context).size.width;

    return SizedBox(
      width: screenWidth,
@ -70,8 +70,8 @@ class _ConnectionInfoWidgetState extends State<ConnectionInfo>
      child: AnimatedBuilder(
        animation: _controller,
        builder: (context, child) {
-          double barWidth = _widthAnim.value;
-          double left = _positionAnim.value * (screenWidth - barWidth);
+          final barWidth = _widthAnim.value;
+          final left = _positionAnim.value * (screenWidth - barWidth);
          return Stack(
            children: [
              Positioned(
--- a/lib/src/views/chats/chat_list_components/demo_user.card.dart
+++ b/lib/src/views/chats/chat_list_components/demo_user.card.dart
@ -8,11 +8,10 @@ class DemoUserCard extends StatelessWidget {

  @override
  Widget build(BuildContext context) {
-    return Container(
+    return ColoredBox(
      color: isDarkMode(context) ? Colors.white : Colors.black,
      child: Row(
        mainAxisAlignment: MainAxisAlignment.spaceEvenly,
-        crossAxisAlignment: CrossAxisAlignment.center,
        children: [
          Text(
            'This is a Demo-Preview.',
--- a/lib/src/views/chats/chat_messages.view.dart
+++ b/lib/src/views/chats/chat_messages.view.dart
@ -157,7 +157,8 @@ class _ChatMessagesViewState extends State<ChatMessagesView> {
        );
      }

-      twonlyDB.messagesDao.openedAllNonMediaMessages(widget.contact.userId);
+      await twonlyDB.messagesDao
+          .openedAllNonMediaMessages(widget.contact.userId);

      setState(() {
        textReactionsToMessageId = tmpTextReactionsToMessageId;
@ -271,7 +272,7 @@ class _ChatMessagesViewState extends State<ChatMessagesView> {
              ),
              const SizedBox(width: 10),
              Expanded(
-                child: Container(
+                child: ColoredBox(
                  color: Colors.transparent,
                  child: Row(
                    children: [
--- a/lib/src/views/chats/chat_messages_components/chat_media_entry.dart
+++ b/lib/src/views/chats/chat_messages_components/chat_media_entry.dart
@ -1,25 +1,24 @@
 import 'package:drift/drift.dart' show Value;
 import 'package:flutter/material.dart';
 import 'package:twonly/globals.dart';
-import 'package:twonly/src/model/protobuf/push_notification/push_notification.pbserver.dart';
-import 'package:twonly/src/views/chats/chat_messages_components/in_chat_media_viewer.dart';
-import 'package:twonly/src/database/twonly_database.dart';
 import 'package:twonly/src/database/tables/messages_table.dart';
+import 'package:twonly/src/database/twonly_database.dart';
 import 'package:twonly/src/model/json/message.dart';
-import 'package:twonly/src/services/api/messages.dart';
-import 'package:twonly/src/services/api/media_download.dart' as received;
-
-import 'package:twonly/src/views/chats/media_viewer.view.dart';
 import 'package:twonly/src/model/memory_item.model.dart';
+import 'package:twonly/src/model/protobuf/push_notification/push_notification.pbserver.dart';
+import 'package:twonly/src/services/api/media_download.dart' as received;
+import 'package:twonly/src/services/api/messages.dart';
+import 'package:twonly/src/views/chats/chat_messages_components/in_chat_media_viewer.dart';
+import 'package:twonly/src/views/chats/media_viewer.view.dart';
 import 'package:twonly/src/views/tutorial/tutorials.dart';

 class ChatMediaEntry extends StatefulWidget {
  const ChatMediaEntry({
-    super.key,
    required this.message,
    required this.contact,
    required this.content,
    required this.galleryItems,
+    super.key,
  });

  final Message message;
@ -47,13 +46,13 @@ class _ChatMediaEntryState extends State<ChatMediaEntry> {
        widget.message.mediaStored) {
      return;
    }
-    if (await received.existsMediaFile(widget.message.messageId, "png")) {
+    if (await received.existsMediaFile(widget.message.messageId, 'png')) {
      if (mounted) {
        setState(() {
          canBeReopened = true;
        });
      }
-      Future.delayed(Duration(seconds: 1), () {
+      Future.delayed(const Duration(seconds: 1), () {
        if (!mounted) return;
        showReopenMediaFilesTutorial(context, reopenMediaFile);
      });
@ -62,7 +61,7 @@ class _ChatMediaEntryState extends State<ChatMediaEntry> {

  @override
  Widget build(BuildContext context) {
-    Color color = getMessageColorFromType(
+    final color = getMessageColorFromType(
      widget.content,
      context,
    );
@ -75,7 +74,7 @@ class _ChatMediaEntryState extends State<ChatMediaEntry> {
            widget.message.mediaStored) {
          return;
        }
-        if (await received.existsMediaFile(widget.message.messageId, "png")) {
+        if (await received.existsMediaFile(widget.message.messageId, 'png')) {
          await encryptAndSendMessageAsync(
            null,
            widget.contact.userId,
@ -93,7 +92,7 @@ class _ChatMediaEntryState extends State<ChatMediaEntry> {
          );
          await twonlyDB.messagesDao.updateMessageByMessageId(
            widget.message.messageId,
-            MessagesCompanion(openedAt: Value(null)),
+            const MessagesCompanion(openedAt: Value(null)),
          );
        }
      },
@ -108,9 +107,9 @@ class _ChatMediaEntryState extends State<ChatMediaEntry> {
                    initialMessage: widget.message);
              }),
            );
-            checkIfTutorialCanBeShown();
+            await checkIfTutorialCanBeShown();
          } else if (widget.message.downloadState == DownloadState.pending) {
-            received.startDownloadMedia(widget.message, true);
+            await received.startDownloadMedia(widget.message, true);
          }
        }
      },
--- a/lib/src/views/chats/chat_messages_components/chat_text_entry.dart
+++ b/lib/src/views/chats/chat_messages_components/chat_text_entry.dart
@ -1,11 +1,11 @@
 import 'package:flutter/material.dart';
+import 'package:twonly/src/database/twonly_database.dart';
 import 'package:twonly/src/views/chats/chat_messages.view.dart';
 import 'package:twonly/src/views/components/animate_icon.dart';
 import 'package:twonly/src/views/components/better_text.dart';
-import 'package:twonly/src/database/twonly_database.dart';

 class ChatTextEntry extends StatelessWidget {
-  const ChatTextEntry({super.key, required this.message, required this.text});
+  const ChatTextEntry({required this.message, required this.text, super.key});

  final String text;
  final Message message;
@ -14,10 +14,10 @@ class ChatTextEntry extends StatelessWidget {
  Widget build(BuildContext context) {
    if (EmojiAnimation.supported(text)) {
      return Container(
-        constraints: BoxConstraints(
+        constraints: const BoxConstraints(
          maxWidth: 100,
        ),
-        padding: EdgeInsets.symmetric(
+        padding: const EdgeInsets.symmetric(
          vertical: 4,
          horizontal: 10,
        ),
@ -28,10 +28,10 @@ class ChatTextEntry extends StatelessWidget {
      constraints: BoxConstraints(
        maxWidth: MediaQuery.of(context).size.width * 0.8,
      ),
-      padding: EdgeInsets.symmetric(vertical: 4, horizontal: 10),
+      padding: const EdgeInsets.symmetric(vertical: 4, horizontal: 10),
      decoration: BoxDecoration(
        color: getMessageColor(message),
-        borderRadius: BorderRadius.circular(12.0),
+        borderRadius: BorderRadius.circular(12),
      ),
      child: BetterText(text: text),
    );
--- a/lib/src/views/chats/chat_messages_components/chat_text_response_columns.dart
+++ b/lib/src/views/chats/chat_messages_components/chat_text_response_columns.dart
@ -49,8 +49,7 @@ class ChatTextResponseColumns extends StatelessWidget {
        children.insert(
          0,
          Container(
-            padding:
-                const EdgeInsets.only(top: 5, bottom: 0, right: 10, left: 10),
+            padding: const EdgeInsets.only(top: 5, right: 10, left: 10),
            child: Container(
              constraints: BoxConstraints(
                maxWidth: MediaQuery.of(context).size.width * 0.8,
--- a/lib/src/views/onboarding/recover.view.dart
+++ b/lib/src/views/onboarding/recover.view.dart
@ -34,18 +34,18 @@ class _BackupRecoveryViewState extends State<BackupRecoveryView> {
        backupServer,
      );

-      Restart.restartApp(
+      await Restart.restartApp(
        notificationTitle: 'Backup successfully recovered.',
        notificationBody: 'Click here to open the app again',
      );
    } catch (e) {
      // in case something was already written from the backup...
-      Log.error("$e");
+      Log.error('$e');
      if (mounted) {
        ScaffoldMessenger.of(context).showSnackBar(
          SnackBar(
            content: Text('$e'),
-            duration: Duration(seconds: 3),
+            duration: const Duration(seconds: 3),
          ),
        );
      }
@ -60,23 +60,24 @@ class _BackupRecoveryViewState extends State<BackupRecoveryView> {
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
-        title: Text("twonly Safe ${context.lang.twonlySafeRecoverTitle}"),
+        title: Text('twonly Safe ${context.lang.twonlySafeRecoverTitle}'),
        actions: [
          IconButton(
            onPressed: () {
              showAlertDialog(
                context,
-                "twonly Safe",
+                'twonly Safe',
                context.lang.backupTwonlySafeLongDesc,
              );
            },
-            icon: FaIcon(FontAwesomeIcons.circleInfo),
+            icon: const FaIcon(FontAwesomeIcons.circleInfo),
            iconSize: 18,
          )
        ],
      ),
      body: Padding(
-        padding: EdgeInsetsGeometry.symmetric(vertical: 40, horizontal: 40),
+        padding:
+            const EdgeInsetsGeometry.symmetric(vertical: 40, horizontal: 40),
        child: ListView(
          children: [
            Text(
@ -95,7 +96,7 @@ class _BackupRecoveryViewState extends State<BackupRecoveryView> {
                context.lang.registerUsernameDecoration,
              ),
            ),
-            SizedBox(height: 10),
+            const SizedBox(height: 10),
            Stack(
              children: [
                TextField(
@ -130,30 +131,30 @@ class _BackupRecoveryViewState extends State<BackupRecoveryView> {
                )
              ],
            ),
-            SizedBox(height: 30),
+            const SizedBox(height: 30),
            Center(
              child: OutlinedButton(
                onPressed: () async {
                  backupServer = await Navigator.push(context,
                      MaterialPageRoute(builder: (context) {
-                    return TwonlySafeServerView();
+                    return const TwonlySafeServerView();
                  }));
                  setState(() {});
                },
                child: Text(context.lang.backupExpertSettings),
              ),
            ),
-            SizedBox(height: 10),
+            const SizedBox(height: 10),
            Center(
                child: FilledButton.icon(
              onPressed: (!isLoading) ? _recoverTwonlySafe : null,
              icon: isLoading
-                  ? SizedBox(
+                  ? const SizedBox(
                      height: 12,
                      width: 12,
                      child: CircularProgressIndicator(strokeWidth: 1),
                    )
-                  : Icon(Icons.lock_clock_rounded),
+                  : const Icon(Icons.lock_clock_rounded),
              label: Text(context.lang.twonlySafeRecoverBtn),
            ))
          ],
--- a/lib/src/views/settings/account/refund_credits.view.dart
+++ b/lib/src/views/settings/account/refund_credits.view.dart
@ -4,7 +4,7 @@ import 'package:twonly/src/views/settings/subscription/voucher.view.dart';
 // import 'package:url_launcher/url_launcher.dart';

 class RefundCreditsView extends StatefulWidget {
-  const RefundCreditsView({super.key, required this.formattedBalance});
+  const RefundCreditsView({required this.formattedBalance, super.key});
  final String formattedBalance;

  @override
@ -19,7 +19,7 @@ class _RefundCreditsViewState extends State<RefundCreditsView> {
        title: const Text('Refund Credits'),
      ),
      body: Padding(
-        padding: const EdgeInsets.all(16.0),
+        padding: const EdgeInsets.all(16),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
@ -32,13 +32,15 @@ class _RefundCreditsViewState extends State<RefundCreditsView> {
            const SizedBox(height: 20), // Space between balance and options

            ListTile(
-              title: Text("Create a Voucher"),
+              title: const Text('Create a Voucher'),
              onTap: () async {
                await Navigator.push(context,
                    MaterialPageRoute(builder: (context) {
-                  return VoucherView();
+                  return const VoucherView();
                }));
-                Navigator.pop(context, false);
+                if (context.mounted) {
+                  Navigator.pop(context, false);
+                }
              },
            ),
            // ListTile(
--- a/lib/src/views/settings/help/contact_us.view.dart
+++ b/lib/src/views/settings/help/contact_us.view.dart
@ -38,7 +38,7 @@ class _ContactUsState extends State<ContactUsView> {

    final messageOnSuccess = TextMessage()
      ..body = []
-      ..userId = Int64(0);
+      ..userId = Int64();

    final uploadRequest = UploadRequest(
      messagesOnSuccess: [messageOnSuccess],
@ -116,6 +116,7 @@ class _ContactUsState extends State<ContactUsView> {
              'Debug Log: https://api.twonly.eu/api/download/$token';
        }
      } catch (e) {
+        if (!mounted) return '';
        ScaffoldMessenger.of(context).showSnackBar(
          const SnackBar(content: Text('Could not upload the debug log!')),
        );
--- a/lib/src/views/settings/help/contact_us/submit_message.view.dart
+++ b/lib/src/views/settings/help/contact_us/submit_message.view.dart
@ -3,7 +3,7 @@ import 'package:http/http.dart' as http;
 import 'package:twonly/src/utils/misc.dart';

 class SubmitMessage extends StatefulWidget {
-  const SubmitMessage({super.key, required this.fullMessage});
+  const SubmitMessage({required this.fullMessage, super.key});

  final String fullMessage;

@ -22,14 +22,14 @@ class _ContactUsState extends State<SubmitMessage> {
  }

  Future<void> _submitFeedback() async {
-    final String feedback = _controller.text;
+    final feedback = _controller.text;
    setState(() {
      isLoading = true;
    });

    if (feedback.isEmpty) {
      ScaffoldMessenger.of(context).showSnackBar(
-        SnackBar(content: Text('Please enter your message.')),
+        const SnackBar(content: Text('Please enter your message.')),
      );
      return;
    }
@ -57,7 +57,7 @@ class _ContactUsState extends State<SubmitMessage> {
    } else {
      // Handle error response
      ScaffoldMessenger.of(context).showSnackBar(
-        SnackBar(content: Text('Failed to submit feedback.')),
+        const SnackBar(content: Text('Failed to submit feedback.')),
      );
    }
  }
@ -69,30 +69,30 @@ class _ContactUsState extends State<SubmitMessage> {
        title: Text(context.lang.settingsHelpContactUs),
      ),
      body: Padding(
-        padding: const EdgeInsets.all(16.0),
+        padding: const EdgeInsets.all(16),
        child: ListView(
          children: [
            Text(
              context.lang.contactUsLastWarning,
              textAlign: TextAlign.center,
            ),
-            SizedBox(height: 10),
+            const SizedBox(height: 10),
            TextField(
              controller: _controller,
              decoration: InputDecoration(
                hintText: context.lang.contactUsYourMessage,
-                border: OutlineInputBorder(),
+                border: const OutlineInputBorder(),
              ),
              minLines: 5,
              maxLines: 20,
            ),
            Padding(
-              padding: EdgeInsets.symmetric(vertical: 40, horizontal: 40),
+              padding: const EdgeInsets.symmetric(vertical: 40, horizontal: 40),
              child: Row(
                mainAxisAlignment: MainAxisAlignment.center,
                children: [
                  ElevatedButton(
-                    onPressed: (isLoading) ? null : _submitFeedback,
+                    onPressed: isLoading ? null : _submitFeedback,
                    child: Text(context.lang.submit),
                  ),
                ],
--- a/lib/src/views/settings/help/credits.view.dart
+++ b/lib/src/views/settings/help/credits.view.dart
@ -6,19 +6,18 @@ import 'package:twonly/src/views/camera/image_editor/layers/filters/location_fil
 import 'package:url_launcher/url_launcher.dart';

 class UrlListTitle extends StatelessWidget {
+  const UrlListTitle({
+    required this.title,
+    required this.url,
+    super.key,
+    this.leading,
+    this.subtitle,
+  });
  final String? title;
  final String url;
  final String? subtitle;
  final Widget? leading;

-  const UrlListTitle({
-    super.key,
-    required this.title,
-    required this.url,
-    this.leading,
-    this.subtitle,
-  });
-
  @override
  Widget build(BuildContext context) {
    return ListTile(
@ -28,7 +27,7 @@ class UrlListTitle extends StatelessWidget {
      onTap: () {
        launchUrl(Uri.parse(url));
      },
-      trailing: FaIcon(FontAwesomeIcons.arrowUpRightFromSquare, size: 15),
+      trailing: const FaIcon(FontAwesomeIcons.arrowUpRightFromSquare, size: 15),
    );
  }
 }
@ -50,7 +49,7 @@ class _CreditsViewState extends State<CreditsView> {
  }

  Future<void> initAsync() async {
-    sticker = (await getStickerIndex()).where((x) => x.source != "").toList();
+    sticker = (await getStickerIndex()).where((x) => x.source != '').toList();
    setState(() {});
  }

@ -62,86 +61,86 @@ class _CreditsViewState extends State<CreditsView> {
      ),
      body: ListView(
        children: [
-          UrlListTitle(
-            title: "twonly Logo",
-            subtitle: "by Font Awesome (modified)",
-            url: "https://fontawesome.com/icons/link?f=classic&s=solid",
+          const UrlListTitle(
+            title: 'twonly Logo',
+            subtitle: 'by Font Awesome (modified)',
+            url: 'https://fontawesome.com/icons/link?f=classic&s=solid',
          ),
-          UrlListTitle(
-            title: "Most Icons",
-            subtitle: "by Font Awesome",
-            url: "https://github.com/FortAwesome/Font-Awesome",
+          const UrlListTitle(
+            title: 'Most Icons',
+            subtitle: 'by Font Awesome',
+            url: 'https://github.com/FortAwesome/Font-Awesome',
          ),
-          UrlListTitle(
-            title: "Animated Emoji",
-            subtitle: "CC BY 4.0",
-            url: "https://googlefonts.github.io/noto-emoji-animation/",
+          const UrlListTitle(
+            title: 'Animated Emoji',
+            subtitle: 'CC BY 4.0',
+            url: 'https://googlefonts.github.io/noto-emoji-animation/',
          ),
-          UrlListTitle(
-            title: "Avatar Icons",
-            url: "https://github.com/RoadTripMoustache/avatar_maker",
+          const UrlListTitle(
+            title: 'Avatar Icons',
+            url: 'https://github.com/RoadTripMoustache/avatar_maker',
          ),
          const Divider(),
-          ListTile(
+          const ListTile(
            title: Center(
                child: Text(
-              "Animations",
-              style: const TextStyle(fontWeight: FontWeight.bold),
+              'Animations',
+              style: TextStyle(fontWeight: FontWeight.bold),
            )),
          ),
-          UrlListTitle(
-            title: "selfie fast Animation",
-            subtitle: "Brandon Ambuila",
+          const UrlListTitle(
+            title: 'selfie fast Animation',
+            subtitle: 'Brandon Ambuila',
            url:
-                "https://lottiefiles.com/free-animation/selfie-fast-JZx4Ftrg1E",
+                'https://lottiefiles.com/free-animation/selfie-fast-JZx4Ftrg1E',
          ),
-          UrlListTitle(
-            title: "Security status - Safe Animation",
-            subtitle: "Yogesh Pal",
+          const UrlListTitle(
+            title: 'Security status - Safe Animation',
+            subtitle: 'Yogesh Pal',
            url:
-                "https://lottiefiles.com/free-animation/security-status-safe-CePJPAwLVx",
+                'https://lottiefiles.com/free-animation/security-status-safe-CePJPAwLVx',
          ),
-          UrlListTitle(
-            title: "send mail Animation",
-            subtitle: "jignesh gajjar",
-            url: "https://lottiefiles.com/free-animation/send-mail-3pvzm2kmNq",
+          const UrlListTitle(
+            title: 'send mail Animation',
+            subtitle: 'jignesh gajjar',
+            url: 'https://lottiefiles.com/free-animation/send-mail-3pvzm2kmNq',
          ),
-          UrlListTitle(
-            title: "Present for you Animation",
-            subtitle: "Tatsiana Melnikova",
+          const UrlListTitle(
+            title: 'Present for you Animation',
+            subtitle: 'Tatsiana Melnikova',
            url:
-                "https://lottiefiles.com/free-animation/present-for-you-QalWyuNptY",
+                'https://lottiefiles.com/free-animation/present-for-you-QalWyuNptY',
          ),
-          UrlListTitle(
-            title: "Take a photo Animation",
-            subtitle: "Nguyễn Như Lân",
+          const UrlListTitle(
+            title: 'Take a photo Animation',
+            subtitle: 'Nguyễn Như Lân',
            url:
-                "https://lottiefiles.com/free-animation/take-a-photo-CzOUerxwPP?color-palette=true",
+                'https://lottiefiles.com/free-animation/take-a-photo-CzOUerxwPP?color-palette=true',
          ),
-          UrlListTitle(
+          const UrlListTitle(
            title: "Valentine's Day-Animation",
-            subtitle: "Strezha",
+            subtitle: 'Strezha',
            url:
-                "https://lottiefiles.com/de/free-animation/valentines-day-1UiMkPHnPK?color-palette=true",
+                'https://lottiefiles.com/de/free-animation/valentines-day-1UiMkPHnPK?color-palette=true',
          ),
-          UrlListTitle(
-            title: "success-Animation",
-            subtitle: "Aman Awasthy",
+          const UrlListTitle(
+            title: 'success-Animation',
+            subtitle: 'Aman Awasthy',
            url:
-                "https://lottiefiles.com/de/free-animation/success-tick-cuwjLHAR7g",
+                'https://lottiefiles.com/de/free-animation/success-tick-cuwjLHAR7g',
          ),
-          UrlListTitle(
-            title: "Failed-Animation",
-            subtitle: "Ahmed Shami أحمد شامي",
-            url: "https://lottiefiles.com/de/free-animation/failed-e5cQFDEtLv",
+          const UrlListTitle(
+            title: 'Failed-Animation',
+            subtitle: 'Ahmed Shami أحمد شامي',
+            url: 'https://lottiefiles.com/de/free-animation/failed-e5cQFDEtLv',
          ),
          const Divider(),
          if (sticker.isNotEmpty)
-            ListTile(
+            const ListTile(
              title: Center(
                  child: Text(
-                "Filters",
-                style: const TextStyle(fontWeight: FontWeight.bold),
+                'Filters',
+                style: TextStyle(fontWeight: FontWeight.bold),
              )),
            ),
          ...sticker.map(
@ -150,9 +149,9 @@ class _CreditsViewState extends State<CreditsView> {
                height: 50,
                width: 50,
                child: CachedNetworkImage(
-                    imageUrl: "https://twonly.eu/${x.imageSrc}"),
+                    imageUrl: 'https://twonly.eu/${x.imageSrc}'),
              ),
-              title: "",
+              title: '',
              url: x.source,
            ),
          ),
--- a/lib/src/views/settings/help/diagnostics.view.dart
+++ b/lib/src/views/settings/help/diagnostics.view.dart
@ -1,6 +1,6 @@
 import 'package:flutter/material.dart';
-import 'package:path_provider/path_provider.dart';
 import 'package:flutter/services.dart';
+import 'package:path_provider/path_provider.dart';
 import 'package:share_plus/share_plus.dart';
 import 'package:twonly/src/utils/log.dart';

@ -18,7 +18,7 @@ class _DiagnosticsViewState extends State<DiagnosticsView> {
    // Assuming the button is at the bottom of the scroll view
    _scrollController.animateTo(
      _scrollController.position.maxScrollExtent, // Scroll to the bottom
-      duration: Duration(milliseconds: 300),
+      duration: const Duration(milliseconds: 300),
      curve: Curves.easeInOut,
    );
  }
@ -42,12 +42,12 @@ class _DiagnosticsViewState extends State<DiagnosticsView> {
                Expanded(
                  child: SingleChildScrollView(
                    controller: _scrollController,
-                    padding: const EdgeInsets.all(16.0),
+                    padding: const EdgeInsets.all(16),
                    child: Text(logText),
                  ),
                ),
                Padding(
-                  padding: const EdgeInsets.all(16.0),
+                  padding: const EdgeInsets.all(16),
                  child: Row(
                    mainAxisAlignment: MainAxisAlignment.spaceBetween,
                    children: [
@ -65,7 +65,8 @@ class _DiagnosticsViewState extends State<DiagnosticsView> {
                          final result = await SharePlus.instance.share(params);

                          if (result.status != ShareResultStatus.success) {
-                            Clipboard.setData(ClipboardData(text: logText));
+                            await Clipboard.setData(
+                                ClipboardData(text: logText));
                            if (context.mounted) {
                              ScaffoldMessenger.of(context).showSnackBar(
                                const SnackBar(
--- a/lib/src/views/settings/notification.view.dart
+++ b/lib/src/views/settings/notification.view.dart
@ -54,7 +54,7 @@ class NotificationView extends StatelessWidget {
                    final pushData = await getPushData(
                      user.userId,
                      PushNotification(
-                        messageId: Int64(0),
+                        messageId: Int64(),
                        kind: PushKind.testNotification,
                      ),
                    );
--- a/lib/src/views/settings/privacy.view.dart
+++ b/lib/src/views/settings/privacy.view.dart
@ -43,7 +43,7 @@ class _PrivacyViewState extends State<PrivacyView> {
            onTap: () async {
              await Navigator.push(context,
                  MaterialPageRoute(builder: (context) {
-                return PrivacyViewBlockUsers();
+                return const PrivacyViewBlockUsers();
              }));
            },
          ),
--- a/lib/src/views/settings/privacy_view_block.users.dart
+++ b/lib/src/views/settings/privacy_view_block.users.dart
@ -2,10 +2,10 @@ import 'package:drift/drift.dart' hide Column;
 import 'package:flutter/material.dart';
 import 'package:pie_menu/pie_menu.dart';
 import 'package:twonly/globals.dart';
-import 'package:twonly/src/views/components/initialsavatar.dart';
 import 'package:twonly/src/database/daos/contacts_dao.dart';
 import 'package:twonly/src/database/twonly_database.dart';
 import 'package:twonly/src/utils/misc.dart';
+import 'package:twonly/src/views/components/initialsavatar.dart';
 import 'package:twonly/src/views/components/user_context_menu.dart';

 class PrivacyViewBlockUsers extends StatefulWidget {
@ -18,7 +18,7 @@ class PrivacyViewBlockUsers extends StatefulWidget {
 class _PrivacyViewBlockUsers extends State<PrivacyViewBlockUsers> {
  late Stream<List<Contact>> allUsers;
  List<Contact> filteredUsers = [];
-  String filter = "";
+  String filter = '';

  @override
  void initState() {
@ -40,11 +40,12 @@ class _PrivacyViewBlockUsers extends State<PrivacyViewBlockUsers> {
      body: PieCanvas(
        theme: getPieCanvasTheme(context),
        child: Padding(
-          padding: EdgeInsets.only(bottom: 20, left: 10, top: 20, right: 10),
+          padding:
+              const EdgeInsets.only(bottom: 20, left: 10, top: 20, right: 10),
          child: Column(
            children: [
              Padding(
-                padding: EdgeInsets.symmetric(horizontal: 10),
+                padding: const EdgeInsets.symmetric(horizontal: 10),
                child: TextField(
                  onChanged: (value) => setState(() {
                    filter = value;
@ -110,7 +111,7 @@ class UserList extends StatelessWidget {
      restorationId: 'new_message_users_list',
      itemCount: users.length,
      itemBuilder: (BuildContext context, int i) {
-        Contact user = users[i];
+        final user = users[i];
        return UserContextMenuBlocked(
          contact: user,
          child: ListTile(
--- a/lib/src/views/settings/profile/modify_avatar.view.dart
+++ b/lib/src/views/settings/profile/modify_avatar.view.dart
@ -24,9 +24,10 @@ class _ModifyAvatarState extends State<ModifyAvatar> {

  Future<void> updateUserAvatar(String json, String svg) async {
    await updateUserdata((user) {
-      user.avatarJson = json;
-      user.avatarSvg = svg;
-      user.avatarCounter = user.avatarCounter + 1;
+      user
+        ..avatarJson = json
+        ..avatarSvg = svg
+        ..avatarCounter = user.avatarCounter + 1;
      return user;
    });
    await notifyContactsAboutProfileChange();
@ -35,7 +36,7 @@ class _ModifyAvatarState extends State<ModifyAvatar> {
  AvatarMakerThemeData getAvatarMakerTheme(BuildContext context) {
    if (isDarkMode(context)) {
      return AvatarMakerThemeData(
-        boxDecoration: BoxDecoration(
+        boxDecoration: const BoxDecoration(
          boxShadow: [BoxShadow()],
        ),
        unselectedTileDecoration: BoxDecoration(
@ -49,13 +50,13 @@ class _ModifyAvatarState extends State<ModifyAvatar> {
        selectedIconColor: Colors.white,
        unselectedIconColor: Colors.grey,
        primaryBgColor: Colors.black, // Dark mode background
-        secondaryBgColor: Colors.grey[850]!, // Dark mode secondary background
+        secondaryBgColor: Colors.grey[850], // Dark mode secondary background
        labelTextStyle:
-            TextStyle(color: Colors.white), // Light text for dark mode
+            const TextStyle(color: Colors.white), // Light text for dark mode
      );
    } else {
      return AvatarMakerThemeData(
-        boxDecoration: BoxDecoration(
+        boxDecoration: const BoxDecoration(
          boxShadow: [BoxShadow()],
        ),
        unselectedTileDecoration: BoxDecoration(
@ -69,9 +70,9 @@ class _ModifyAvatarState extends State<ModifyAvatar> {
        selectedIconColor: Colors.black,
        unselectedIconColor: Colors.grey,
        primaryBgColor: Colors.white, // Light mode background
-        secondaryBgColor: Colors.grey[200]!, // Light mode secondary background
+        secondaryBgColor: Colors.grey[200], // Light mode secondary background
        labelTextStyle:
-            TextStyle(color: Colors.black), // Dark text for light mode
+            const TextStyle(color: Colors.black), // Dark text for light mode
      );
    }
  }
@ -85,10 +86,9 @@ class _ModifyAvatarState extends State<ModifyAvatar> {
      body: Center(
        child: SingleChildScrollView(
          child: Column(
-            crossAxisAlignment: CrossAxisAlignment.center,
            children: [
              Padding(
-                padding: const EdgeInsets.symmetric(vertical: 00),
+                padding: EdgeInsets.zero,
                child: AvatarMakerAvatar(
                  radius: 130,
                  backgroundColor: Colors.transparent,
@ -100,7 +100,7 @@ class _ModifyAvatarState extends State<ModifyAvatar> {
                  mainAxisAlignment: MainAxisAlignment.center,
                  children: [
                    IconButton(
-                      icon: FaIcon(FontAwesomeIcons.floppyDisk),
+                      icon: const FaIcon(FontAwesomeIcons.floppyDisk),
                      onPressed: () async {
                        await _avatarMakerController.saveAvatarSVG();
                        final json =
@ -113,27 +113,23 @@ class _ModifyAvatarState extends State<ModifyAvatar> {
                      },
                    ),
                    IconButton(
-                      icon: FaIcon(FontAwesomeIcons.shuffle),
-                      onPressed: () {
-                        _avatarMakerController.randomizedSelectedOptions();
-                      },
+                      icon: const FaIcon(FontAwesomeIcons.shuffle),
+                      onPressed:
+                          _avatarMakerController.randomizedSelectedOptions,
                    ),
                    IconButton(
-                      icon: Icon(FontAwesomeIcons.rotateLeft),
-                      onPressed: () {
-                        _avatarMakerController.restoreState();
-                      },
+                      icon: const Icon(FontAwesomeIcons.rotateLeft),
+                      onPressed: _avatarMakerController.restoreState,
                    ),
                  ],
                ),
              ),
              Padding(
                padding:
-                    const EdgeInsets.symmetric(horizontal: 8.0, vertical: 30),
+                    const EdgeInsets.symmetric(horizontal: 8, vertical: 30),
                child: AvatarMakerCustomizer(
                  scaffoldWidth:
                      min(600, MediaQuery.of(context).size.width * 0.85),
-                  autosave: false,
                  theme: getAvatarMakerTheme(context),
                  controller: _avatarMakerController,
                ),
--- a/lib/src/views/settings/profile/profile.view.dart
+++ b/lib/src/views/settings/profile/profile.view.dart
@ -1,11 +1,11 @@
 import 'package:avatar_maker/avatar_maker.dart';
 import 'package:flutter/material.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
-import 'package:twonly/src/views/components/better_list_title.dart';
 import 'package:twonly/src/model/json/userdata.dart';
 import 'package:twonly/src/services/api/messages.dart';
 import 'package:twonly/src/utils/misc.dart';
 import 'package:twonly/src/utils/storage.dart';
+import 'package:twonly/src/views/components/better_list_title.dart';
 import 'package:twonly/src/views/settings/profile/modify_avatar.view.dart';

 class ProfileView extends StatefulWidget {
@ -33,13 +33,14 @@ class _ProfileViewState extends State<ProfileView> {

  Future<void> updateUserDisplayName(String displayName) async {
    await updateUserdata((user) {
-      user.displayName = displayName;
-      user.avatarCounter = user.avatarCounter + 1;
+      user
+        ..displayName = displayName
+        ..avatarCounter = user.avatarCounter + 1;
      return user;
    });

    await notifyContactsAboutProfileChange();
-    initAsync();
+    await initAsync();
  }

  @override
@ -49,34 +50,34 @@ class _ProfileViewState extends State<ProfileView> {
        title: Text(context.lang.settingsProfile),
      ),
      body: ListView(
-        physics: BouncingScrollPhysics(),
+        physics: const BouncingScrollPhysics(),
        children: <Widget>[
-          SizedBox(height: 25),
+          const SizedBox(height: 25),
          AvatarMakerAvatar(
            backgroundColor: Colors.transparent,
            radius: 80,
            controller: _avatarMakerController,
          ),
-          SizedBox(height: 10),
+          const SizedBox(height: 10),
          Center(
            child: SizedBox(
              height: 35,
              child: ElevatedButton.icon(
-                  icon: Icon(Icons.edit),
+                  icon: const Icon(Icons.edit),
                  label: Text(context.lang.settingsProfileCustomizeAvatar),
                  onPressed: () async {
                    await Navigator.push(
                      context,
                      MaterialPageRoute(
-                        builder: (context) => ModifyAvatar(),
+                        builder: (context) => const ModifyAvatar(),
                      ),
                    );
-                    _avatarMakerController.performRestore();
+                    await _avatarMakerController.performRestore();
                    setState(() {});
                  }),
            ),
          ),
-          SizedBox(height: 20),
+          const SizedBox(height: 20),
          const Divider(),
          BetterListTile(
            icon: FontAwesomeIcons.userPen,
@ -85,8 +86,8 @@ class _ProfileViewState extends State<ProfileView> {
            onTap: () async {
              final displayName =
                  await showDisplayNameChangeDialog(context, user!.displayName);
-              if (context.mounted && displayName != null && displayName != "") {
-                updateUserDisplayName(displayName);
+              if (context.mounted && displayName != null && displayName != '') {
+                await updateUserDisplayName(displayName);
              }
            },
          ),
@ -98,8 +99,7 @@ class _ProfileViewState extends State<ProfileView> {

 Future<String?> showDisplayNameChangeDialog(
    BuildContext context, String currentName) {
-  final TextEditingController controller =
-      TextEditingController(text: currentName);
+  final controller = TextEditingController(text: currentName);

  return showDialog<String>(
    context: context,
--- a/lib/src/views/settings/settings_main.view.dart
+++ b/lib/src/views/settings/settings_main.view.dart
@ -67,7 +67,7 @@ class _SettingsMainViewState extends State<SettingsMainView> {
                            child: Row(
                              children: [
                                ContactAvatar(
-                                  userData: userData!,
+                                  userData: userData,
                                  fontSize: 30,
                                ),
                                Container(width: 20, color: Colors.transparent),
@ -200,7 +200,7 @@ class _SettingsMainViewState extends State<SettingsMainView> {
                  onTap: () {
                    Navigator.push(context, MaterialPageRoute(
                      builder: (context) {
-                        return HelpView();
+                        return const HelpView();
                      },
                    ));
                  },
--- a/lib/src/views/settings/share_with_friends.view.dart
+++ b/lib/src/views/settings/share_with_friends.view.dart
@ -18,11 +18,11 @@ class _ShareWithFriendsView extends State<ShareWithFriendsView> {
    super.initState();
    WidgetsBinding.instance.addPostFrameCallback((_) {
      _controller.text =
-          context.lang.inviteFriendsShareText("https://twonly.eu/install");
+          context.lang.inviteFriendsShareText('https://twonly.eu/install');
    });
  }

-  void _shareText() async {
+  Future<void> _shareText() async {
    final textToShare = _controller.text;
    final params = ShareParams(
      text: textToShare,
@ -37,19 +37,18 @@ class _ShareWithFriendsView extends State<ShareWithFriendsView> {
        title: Text(context.lang.inviteFriends),
      ),
      body: Padding(
-        padding: const EdgeInsets.all(16.0),
+        padding: const EdgeInsets.all(16),
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            TextField(
              controller: _controller,
-              style: const TextStyle(fontSize: 14.0),
-              decoration: InputDecoration(),
+              style: const TextStyle(fontSize: 14),
            ),
-            SizedBox(height: 16.0),
+            const SizedBox(height: 16),
            FilledButton.icon(
              onPressed: _shareText,
-              icon: FaIcon(FontAwesomeIcons.shareFromSquare),
+              icon: const FaIcon(FontAwesomeIcons.shareFromSquare),
              label: Text(context.lang.inviteFriendsShareBtn),
            ),
          ],
--- a/lib/src/views/settings/subscription/additional_users.view.dart
+++ b/lib/src/views/settings/subscription/additional_users.view.dart
@ -117,7 +117,7 @@ class _AdditionalUsersViewState extends State<AdditionalUsersView> {
              ),
            ),
          Padding(
-            padding: const EdgeInsets.all(16.0),
+            padding: const EdgeInsets.all(16),
            child: GridView.count(
              crossAxisCount: 2,
              physics: const NeverScrollableScrollPhysics(),
--- a/lib/src/views/settings/subscription/manage_subscription.view.dart
+++ b/lib/src/views/settings/subscription/manage_subscription.view.dart
@ -88,7 +88,7 @@ class _ManageSubscriptionViewState extends State<ManageSubscriptionView> {
              ),
              onTap: toggleRenewalOption,
              trailing: Checkbox(
-                value: autoRenewal!,
+                value: autoRenewal,
                onChanged: (a) {
                  toggleRenewalOption();
                },
--- a/lib/src/views/settings/subscription/subscription.view.dart
+++ b/lib/src/views/settings/subscription/subscription.view.dart
@ -266,7 +266,7 @@ class _SubscriptionViewState extends State<SubscriptionView> {
            PlanCard(
              planId: 'Tester',
              onTap: () async {
-                bool activate = await showAlertDialog(
+                final activate = await showAlertDialog(
                  context,
                  context.lang.testingAccountTitle,
                  context.lang.testingAccountBody,
--- a/lib/src/views/settings/subscription/transaction.view.dart
+++ b/lib/src/views/settings/subscription/transaction.view.dart
@ -4,8 +4,11 @@ import 'package:twonly/src/model/protobuf/api/websocket/server_to_client.pb.dart
 import 'package:twonly/src/utils/misc.dart';

 class TransactionView extends StatefulWidget {
-  const TransactionView(
-      {super.key, required this.transactions, required this.formattedBalance});
+  const TransactionView({
+    required this.transactions,
+    required this.formattedBalance,
+    super.key,
+  });
  final List<Response_Transaction>? transactions;
  final String formattedBalance;

@ -23,7 +26,7 @@ class _TransactionViewState extends State<TransactionView> {
      body: ListView(
        children: [
          Padding(
-            padding: const EdgeInsets.all(32.0),
+            padding: const EdgeInsets.all(32),
            child: Center(
              child: Container(
                decoration: BoxDecoration(
@ -51,10 +54,9 @@ class _TransactionViewState extends State<TransactionView> {
 }

 class TransactionCard extends StatefulWidget {
+  const TransactionCard({required this.transaction, super.key});
  final Response_Transaction transaction;

-  const TransactionCard({super.key, required this.transaction});
-
  @override
  State<TransactionCard> createState() => _TransactionCardState();
 }
--- a/lib/src/views/settings/subscription/voucher.view.dart
+++ b/lib/src/views/settings/subscription/voucher.view.dart
@ -111,7 +111,7 @@ class _VoucherCardState extends State<VoucherCard> {
        margin: const EdgeInsets.all(10),
        elevation: 5,
        child: Padding(
-          padding: const EdgeInsets.all(16.0),
+          padding: const EdgeInsets.all(16),
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
@ -160,7 +160,7 @@ Future<void> redeemVoucher(BuildContext context) async {
                mainAxisSize: MainAxisSize.min,
                children: [
                  Padding(
-                    padding: const EdgeInsets.symmetric(vertical: 16.0),
+                    padding: const EdgeInsets.symmetric(vertical: 16),
                    child: TextField(
                      onChanged: (value) {
                        // Convert to uppercase
--- a/lib/src/views/tutorial/show_tutorial.dart
+++ b/lib/src/views/tutorial/show_tutorial.dart
@ -76,7 +76,6 @@ TargetFocus getTargetFocus(
            left: 0, right: 0, top: top, bottom: bottom),
        child: Column(
          mainAxisSize: MainAxisSize.min,
-          crossAxisAlignment: CrossAxisAlignment.center,
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Text(
--- a/lib/src/views/tutorial/tutorials.dart
+++ b/lib/src/views/tutorial/tutorials.dart
@ -11,17 +11,18 @@ Future<void> showChatListTutorialSearchOtherUsers(
  GlobalKey searchForOtherUsers,
 ) async {
  await lockDisplayTutorial.protect(() async {
-    if (await checkIfTutorialAlreadyShown("chat_list:search_users")) {
+    if (await checkIfTutorialAlreadyShown('chat_list:search_users')) {
      return;
    }
    if (!context.mounted) return;
-    List<TargetFocus> targets = [];
-    targets.add(getTargetFocus(
-      context,
-      searchForOtherUsers,
-      context.lang.tutorialChatListSearchUsersTitle,
-      context.lang.tutorialChatListSearchUsersDesc,
-    ));
+    final targets = <TargetFocus>[
+      getTargetFocus(
+        context,
+        searchForOtherUsers,
+        context.lang.tutorialChatListSearchUsersTitle,
+        context.lang.tutorialChatListSearchUsersDesc,
+      )
+    ];
    await showTutorial(context, targets);
  });
 }
@ -31,17 +32,18 @@ Future<void> showChatListTutorialContextMenu(
  GlobalKey firstUserListItemKey,
 ) async {
  await lockDisplayTutorial.protect(() async {
-    if (await checkIfTutorialAlreadyShown("chat_list:context_menu")) {
+    if (await checkIfTutorialAlreadyShown('chat_list:context_menu')) {
      return;
    }
    if (!context.mounted) return;
-    List<TargetFocus> targets = [];
-    targets.add(getTargetFocus(
-      context,
-      firstUserListItemKey,
-      context.lang.tutorialChatListContextMenuTitle,
-      context.lang.tutorialChatListContextMenuDesc,
-    ));
+    final targets = <TargetFocus>[
+      getTargetFocus(
+        context,
+        firstUserListItemKey,
+        context.lang.tutorialChatListContextMenuTitle,
+        context.lang.tutorialChatListContextMenuDesc,
+      )
+    ];
    await showTutorial(context, targets);
  });
 }
@ -51,17 +53,18 @@ Future<void> showVerifyShieldTutorial(
  GlobalKey firstUserListItemKey,
 ) async {
  await lockDisplayTutorial.protect(() async {
-    if (await checkIfTutorialAlreadyShown("chat_messages:verify_shield")) {
+    if (await checkIfTutorialAlreadyShown('chat_messages:verify_shield')) {
      return;
    }
    if (!context.mounted) return;
-    List<TargetFocus> targets = [];
-    targets.add(getTargetFocus(
-      context,
-      firstUserListItemKey,
-      context.lang.tutorialChatMessagesVerifyShieldTitle,
-      context.lang.tutorialChatMessagesVerifyShieldDesc,
-    ));
+    final targets = <TargetFocus>[
+      getTargetFocus(
+        context,
+        firstUserListItemKey,
+        context.lang.tutorialChatMessagesVerifyShieldTitle,
+        context.lang.tutorialChatMessagesVerifyShieldDesc,
+      )
+    ];
    await showTutorial(context, targets);
  });
 }
@ -71,17 +74,18 @@ Future<void> showReopenMediaFilesTutorial(
  GlobalKey firstUserListItemKey,
 ) async {
  await lockDisplayTutorial.protect(() async {
-    if (await checkIfTutorialAlreadyShown("chat_messages:reopen_message")) {
+    if (await checkIfTutorialAlreadyShown('chat_messages:reopen_message')) {
      return;
    }
    if (!context.mounted) return;
-    List<TargetFocus> targets = [];
-    targets.add(getTargetFocus(
-      context,
-      firstUserListItemKey,
-      context.lang.tutorialChatMessagesReopenMessageTitle,
-      context.lang.tutorialChatMessagesReopenMessageDesc,
-    ));
+    final targets = <TargetFocus>[
+      getTargetFocus(
+        context,
+        firstUserListItemKey,
+        context.lang.tutorialChatMessagesReopenMessageTitle,
+        context.lang.tutorialChatMessagesReopenMessageDesc,
+      )
+    ];
    await showTutorial(context, targets);
  });
 }
--- a/pubspec.yaml
+++ b/pubspec.yaml
@ -10,12 +10,20 @@ environment:
  sdk: ^3.6.0

 dependencies:
+  avatar_maker: ^0.4.0
+  background_downloader: ^9.2.2
+  cached_network_image: ^3.4.1
+  camera: ^0.11.1
  collection: ^1.18.0
  connectivity_plus: ^6.1.2
+  cryptography_flutter_plus: ^2.3.4
+  cryptography_plus: ^2.7.0
+  device_info_plus: ^11.5.0
  drift: ^2.25.1
  drift_flutter: ^0.2.4
  firebase_core: ^3.11.0
  firebase_messaging: ^15.2.2
+  fixnum: ^1.1.1
  flutter:
    sdk: flutter
  flutter_image_compress: ^2.4.0
@ -25,15 +33,17 @@ dependencies:
  # flutter_secure_storage: ^10.0.0-beta.4
  flutter_secure_storage:
    path: ./dependencies/flutter_secure_storage/flutter_secure_storage
+  flutter_svg: ^2.0.17
  flutter_zxing:
    path: ./dependencies/flutter_zxing
-  # pie_menu: ^3.2.7
-  pie_menu:
-    path: ./dependencies/flutter-pie-menu
  font_awesome_flutter: ^10.8.0
  gal: ^2.3.1
+  get: ^4.7.2
  hand_signature: ^3.0.3
+  hashlib: ^2.0.0
+  http: ^1.3.0
  image: ^4.3.0
+  image_picker: ^1.1.2
  intl: ^0.20.2
  introduction_screen: ^3.1.14
  json_annotation: ^4.9.0
@ -41,46 +51,35 @@ dependencies:
  local_auth: ^2.3.0
  logging: ^1.3.0
  lottie: ^3.3.1
+  mutex: ^3.1.0
  no_screenshot: ^0.3.1
  package_info_plus: ^8.2.1
  path: ^1.9.0
  path_provider: ^2.1.5
  permission_handler: ^12.0.0+1
+  photo_view: ^0.15.0
+  pie_menu:
+    path: ./dependencies/flutter-pie-menu
  protobuf: ^4.0.0
-  cryptography_plus: ^2.7.0
  provider: ^6.1.2
  restart_app: ^1.3.2
  screenshot: ^3.0.0
-  url_launcher: ^6.3.1
-  web_socket_channel: ^3.0.1
-  camera: ^0.11.1
-  avatar_maker: ^0.4.0
-  flutter_svg: ^2.0.17
-  fixnum: ^1.1.1
-  mutex: ^3.1.0
-  cached_network_image: ^3.4.1
-  image_picker: ^1.1.2
-  http: ^1.3.0
-  get: ^4.7.2
-  video_player: ^2.9.5
-  video_compress: ^3.1.4
  share_plus: ^11.0.0
-  photo_view: ^0.15.0
  tutorial_coach_mark: ^1.3.0
-  background_downloader: ^9.2.2
-  hashlib: ^2.0.0
+  url_launcher: ^6.3.1
+  video_compress: ^3.1.4
+  video_player: ^2.9.5
  video_thumbnail: ^0.5.6
-  device_info_plus: ^11.5.0
-  cryptography_flutter_plus: ^2.3.4
+  web_socket_channel: ^3.0.1

 dev_dependencies:
+  build_runner: ^2.4.15
+  drift_dev: ^2.25.2
+  flutter_launcher_icons: ^0.14.1
+  flutter_lints: ^6.0.0
  flutter_test:
    sdk: flutter
-  build_runner: ^2.4.15
  json_serializable: ^6.8.0
-  flutter_lints: ^6.0.0
-  flutter_launcher_icons: ^0.14.1
-  drift_dev: ^2.25.2
  very_good_analysis: ^9.0.0

 flutter_launcher_icons:
--- a/test/unit_test.dart
+++ b/test/unit_test.dart
@ -4,10 +4,10 @@ import 'package:twonly/src/views/components/animate_icon.dart';
 void main() {
  group('isEmoji', () {
    test('test isEmoji function', () {
-      expect(isEmoji("Hallo"), false);
-      expect(isEmoji("😂"), true);
-      expect(isEmoji("😂😂"), false);
-      expect(isEmoji("Hallo 😂"), false);
+      expect(isEmoji('Hallo'), false);
+      expect(isEmoji('😂'), true);
+      expect(isEmoji('😂😂'), false);
+      expect(isEmoji('Hallo 😂'), false);
    });
  });
 }