diff --git a/contact/pubspec.yaml b/contact/pubspec.yaml
index dedb11a6e..33b10417d 100644
--- a/contact/pubspec.yaml
+++ b/contact/pubspec.yaml
@@ -28,7 +28,8 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  flutter_lints: ^1.0.0
+
+  flutter_lints: 1.0.4
 
   build_runner: 2.1.11
 
diff --git a/core/analysis_options.yaml b/core/analysis_options.yaml
new file mode 100644
index 000000000..61b6c4de1
--- /dev/null
+++ b/core/analysis_options.yaml
@@ -0,0 +1,29 @@
+# This file configures the analyzer, which statically analyzes Dart code to
+# check for errors, warnings, and lints.
+#
+# The issues identified by the analyzer are surfaced in the UI of Dart-enabled
+# IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be
+# invoked from the command line by running `flutter analyze`.
+
+# The following line activates a set of recommended lints for Flutter apps,
+# packages, and plugins designed to encourage good coding practices.
+include: package:flutter_lints/flutter.yaml
+
+linter:
+  # The lint rules applied to this project can be customized in the
+  # section below to disable rules from the `package:flutter_lints/flutter.yaml`
+  # included above or to enable additional rules. A list of all available lints
+  # and their documentation is published at
+  # https://dart-lang.github.io/linter/lints/index.html.
+  #
+  # Instead of disabling a lint rule for the entire project in the
+  # section below, it can also be suppressed for a single line of code
+  # or a specific dart file by using the `// ignore: name_of_lint` and
+  # `// ignore_for_file: name_of_lint` syntax on the line or in the file
+  # producing the lint.
+  rules:
+    # avoid_print: false  # Uncomment to disable the `avoid_print` rule
+    # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
+
+# Additional information about this file can be found at
+# https://dart.dev/guides/language/analysis-options
diff --git a/core/lib/core.dart b/core/lib/core.dart
index 2c90072fb..6247f20f5 100644
--- a/core/lib/core.dart
+++ b/core/lib/core.dart
@@ -104,12 +104,6 @@ export 'presentation/state/success.dart';
 export 'presentation/state/failure.dart';
 export 'presentation/state/app_state.dart';
 
-// Local
-export 'data/local/config/database_config.dart';
-export 'data/local/config/email_address_table.dart';
-export 'data/local/database_client.dart';
-export 'data/local/database_manager.dart';
-
 // Model
 export 'data/model/source_type/data_source_type.dart';
 export 'data/model/query/query_parameter.dart';
\ No newline at end of file
diff --git a/core/lib/data/extensions/options_extensions.dart b/core/lib/data/extensions/options_extensions.dart
index f20e898c1..7c252cd19 100644
--- a/core/lib/data/extensions/options_extensions.dart
+++ b/core/lib/data/extensions/options_extensions.dart
@@ -2,10 +2,10 @@ import 'package:dio/dio.dart';
 
 extension OptionsExtension on Options {
   Options appendHeaders(Map<String, dynamic> additionalHeaders) {
-    if (this.headers != null) {
-      this.headers?.addAll(additionalHeaders);
+    if (headers != null) {
+      headers?.addAll(additionalHeaders);
     } else {
-      this.headers = additionalHeaders;
+      headers = additionalHeaders;
     }
     return this;
   }
diff --git a/core/lib/data/network/download/download_manager.dart b/core/lib/data/network/download/download_manager.dart
index a12e0df21..a6a27cd44 100644
--- a/core/lib/data/network/download/download_manager.dart
+++ b/core/lib/data/network/download/download_manager.dart
@@ -75,7 +75,7 @@ class DownloadManager {
         await streamController.close();
         return streamController.stream.first;
       } else {
-        throw exception;
+        rethrow;
       }
     }
     return streamController.stream.first;
@@ -100,7 +100,7 @@ class DownloadManager {
       html.Url.revokeObjectUrl(url);
     } catch (exception) {
       log('DownloadManager::createAnchorElementDownloadFileWeb(): ERROR: $exception');
-      throw exception;
+      rethrow;
     }
   }
 
diff --git a/core/lib/data/utils/compress_file_utils.dart b/core/lib/data/utils/compress_file_utils.dart
index 6f43766cb..8e177fa00 100644
--- a/core/lib/data/utils/compress_file_utils.dart
+++ b/core/lib/data/utils/compress_file_utils.dart
@@ -14,7 +14,7 @@ class CompressFileUtils {
   static const int MAX_IMAGE_WIDTH = 1000;
 
   bool _exceedMaximumImageSize(Uint8List bytesData) {
-    final maximumSizeBytes = MAXIMUM_IMAGE_SIZE_KB * 1024;
+    const maximumSizeBytes = MAXIMUM_IMAGE_SIZE_KB * 1024;
     final sizeBytesData = bytesData.length;
     log('CompressFileUtils::exceedMaximumImageSize(): maximumSizeBytes: $maximumSizeBytes');
     log('CompressFileUtils::exceedMaximumImageSize(): sizeBytesData: $sizeBytesData');
diff --git a/core/lib/domain/exceptions/remote_exception.dart b/core/lib/domain/exceptions/remote_exception.dart
index 1bbdb35d7..0d1c4a631 100644
--- a/core/lib/domain/exceptions/remote_exception.dart
+++ b/core/lib/domain/exceptions/remote_exception.dart
@@ -2,23 +2,23 @@
 import 'package:equatable/equatable.dart';
 
 abstract class RemoteException extends Equatable implements Exception {
-  static final connectError = 'Connect error';
+  static const connectError = 'Connect error';
 
   final String? message;
   final int? code;
 
-  RemoteException({this.code, this.message});
+  const RemoteException({this.code, this.message});
 }
 
 class UnknownError extends RemoteException {
-  UnknownError({int? code, String? message}) : super(code: code, message: message);
+  const UnknownError({int? code, String? message}) : super(code: code, message: message);
 
   @override
   List<Object> get props => [];
 }
 
 class ConnectError extends RemoteException {
-  ConnectError() : super(message: RemoteException.connectError);
+  const ConnectError() : super(message: RemoteException.connectError);
 
   @override
   List<Object> get props => [];
diff --git a/core/lib/domain/extensions/datetime_extension.dart b/core/lib/domain/extensions/datetime_extension.dart
index 55afce40e..8f2d6831f 100644
--- a/core/lib/domain/extensions/datetime_extension.dart
+++ b/core/lib/domain/extensions/datetime_extension.dart
@@ -3,17 +3,17 @@ extension DateTimeExtension on DateTime {
 
   bool isToday() {
     final now = DateTime.now();
-    return now.day == this.day && now.month == this.month && now.year == this.year;
+    return now.day == day && now.month == month && now.year == year;
   }
 
   bool isYesterday() {
-    final yesterday = DateTime.now().subtract(Duration(days: 1));
-    return yesterday.day == this.day && yesterday.month == this.month && yesterday.year == this.year;
+    final yesterday = DateTime.now().subtract(const Duration(days: 1));
+    return yesterday.day == day && yesterday.month == month && yesterday.year == year;
   }
 
   bool isThisYear() {
     final now = DateTime.now();
-    return now.year == this.year;
+    return now.year == year;
   }
 
   int daysBetween(DateTime from) {
diff --git a/core/lib/presentation/extensions/capitalize_extension.dart b/core/lib/presentation/extensions/capitalize_extension.dart
index 65d74dfc9..6289213ab 100644
--- a/core/lib/presentation/extensions/capitalize_extension.dart
+++ b/core/lib/presentation/extensions/capitalize_extension.dart
@@ -1,6 +1,6 @@
 
 extension CapitalizeExtension on String {
-  String get inCaps => this.length > 0 ?'${this[0].toUpperCase()}${this.toLowerCase().substring(1)}':'';
-  String get allInCaps => this.toUpperCase();
-  String get capitalizeFirstEach => this.replaceAll(RegExp(' +'), ' ').split(" ").map((str) => str.inCaps).join(" ");
+  String get inCaps => length > 0 ?'${this[0].toUpperCase()}${toLowerCase().substring(1)}':'';
+  String get allInCaps => toUpperCase();
+  String get capitalizeFirstEach => replaceAll(RegExp(' +'), ' ').split(" ").map((str) => str.inCaps).join(" ");
 }
\ No newline at end of file
diff --git a/core/lib/presentation/extensions/html_extension.dart b/core/lib/presentation/extensions/html_extension.dart
index fe3d1fb94..abbc18505 100644
--- a/core/lib/presentation/extensions/html_extension.dart
+++ b/core/lib/presentation/extensions/html_extension.dart
@@ -22,7 +22,7 @@ extension HtmlExtension on String {
 
   String addBlockQuoteTag() => addBlockTag(
     'blockquote',
-    attribute: 'style=\"margin-left:8px;margin-right:8px;padding-left:12px;padding-right:12px;border-left:5px solid #eee;\"');
+    attribute: 'style="margin-left:8px;margin-right:8px;padding-left:12px;padding-right:12px;border-left:5px solid #eee;"');
 
   String asSignatureHtml() => '--<br><br>$this';
 
diff --git a/core/lib/presentation/extensions/list_extensions.dart b/core/lib/presentation/extensions/list_extensions.dart
index 7c3b568c6..2656871ef 100644
--- a/core/lib/presentation/extensions/list_extensions.dart
+++ b/core/lib/presentation/extensions/list_extensions.dart
@@ -2,7 +2,7 @@ import 'package:built_collection/built_collection.dart';
 import 'package:dartz/dartz.dart';
 
 extension ListExtensions<T> on List<T> {
-  Tuple2<List<T>, List<T>> split(bool test(T element)) {
+  Tuple2<List<T>, List<T>> split(bool Function(T element) test) {
     final validBuilder = ListBuilder<T>();
     final invalidBuilder = ListBuilder<T>();
     forEach((element) {
diff --git a/core/lib/presentation/extensions/url_extension.dart b/core/lib/presentation/extensions/url_extension.dart
index 05b094b8c..8f6a9059f 100644
--- a/core/lib/presentation/extensions/url_extension.dart
+++ b/core/lib/presentation/extensions/url_extension.dart
@@ -1,8 +1,8 @@
 import 'package:flutter/foundation.dart';
 
 extension URLExtension on String {
-  static final String prefixUrlHttps = 'https://';
-  static final String prefixUrlHttp = 'http://';
+  static const String prefixUrlHttps = 'https://';
+  static const String prefixUrlHttp = 'http://';
 
   String formatURLValid() {
     if (isNotEmpty) {
diff --git a/core/lib/presentation/utils/app_toast.dart b/core/lib/presentation/utils/app_toast.dart
index cbf0e2755..3b95bdeeb 100644
--- a/core/lib/presentation/utils/app_toast.dart
+++ b/core/lib/presentation/utils/app_toast.dart
@@ -53,7 +53,7 @@ class AppToast {
         Color? textActionColor,
       }
   ) {
-    var trailingAction;
+    Widget? trailingAction;
 
     if (actionName != null) {
       if (actionIcon == null) {
@@ -80,7 +80,7 @@ class AppToast {
               },
               customBorder: RoundedRectangleBorder(borderRadius: BorderRadius.circular(5)),
               child: Padding(
-                padding: EdgeInsets.symmetric(vertical: 6, horizontal: 8),
+                padding: const EdgeInsets.symmetric(vertical: 6, horizontal: 8),
                 child: Row(
                     mainAxisSize: MainAxisSize.min,
                     children: [
@@ -156,7 +156,7 @@ class AppToast {
       shadowColor: Colors.black54,
       borderRadius: BorderRadius.all(Radius.circular(radius ?? 10)),
       child: Container(
-        padding: padding ?? EdgeInsets.symmetric(horizontal: 12.0, vertical: 14),
+        padding: padding ?? const EdgeInsets.symmetric(horizontal: 12.0, vertical: 14),
         decoration: BoxDecoration(
           borderRadius: BorderRadius.circular(radius ?? 10.0),
           color: bgColor ?? Colors.white,
@@ -172,7 +172,7 @@ class AppToast {
                   fit: BoxFit.fill,
                   color: iconColor),
             if (icon != null)
-              SizedBox(width: 10.0),
+              const SizedBox(width: 10.0),
             Expanded(child: Text(
                 message ?? '',
                 style: textStyle ?? TextStyle(fontSize: 15, color: textColor ?? Colors.black))),
@@ -184,7 +184,7 @@ class AppToast {
     fToast.showToast(
       child: toast,
       gravity: ToastGravity.BOTTOM,
-      toastDuration: toastLength ?? Duration(seconds: 3),
+      toastDuration: toastLength ?? const Duration(seconds: 3),
     );
   }
 }
diff --git a/core/lib/presentation/utils/html_transformer/html_template.dart b/core/lib/presentation/utils/html_transformer/html_template.dart
index 017b3f850..d99e9b44c 100644
--- a/core/lib/presentation/utils/html_transformer/html_template.dart
+++ b/core/lib/presentation/utils/html_transformer/html_template.dart
@@ -1,7 +1,7 @@
 
-final nameClassToolTip = 'tmail-tooltip';
+const nameClassToolTip = 'tmail-tooltip';
 
-final tooltipLinkCss = '''
+const tooltipLinkCss = '''
   .$nameClassToolTip .tooltiptext {
     visibility: hidden;
     max-width: 400px;
@@ -54,13 +54,13 @@ String generateHtml(String content, {
     ${javaScripts ?? ''}
     </head>
     <body>
-    <div class="tmail-content">${content}</div>
+    <div class="tmail-content">$content</div>
     </body>
     </html> 
   ''';
 }
 
-final bodyCssStyleForEditor = '''
+const bodyCssStyleForEditor = '''
   <style>
       blockquote {
         margin-left: 8px;
diff --git a/core/lib/presentation/utils/html_transformer/message_content_transformer.dart b/core/lib/presentation/utils/html_transformer/message_content_transformer.dart
index 3aaff3a75..761e4f2af 100644
--- a/core/lib/presentation/utils/html_transformer/message_content_transformer.dart
+++ b/core/lib/presentation/utils/html_transformer/message_content_transformer.dart
@@ -43,9 +43,9 @@ class MessageContentTransformer {
 
   String _transformMessage(String message) {
     if (configuration.textTransformers.isNotEmpty) {
-      configuration.textTransformers.forEach((transformer) {
+      for (var transformer in configuration.textTransformers) {
         message = transformer.process(message);
-      });
+      }
     }
     return message;
   }
diff --git a/core/lib/presentation/utils/icon_utils.dart b/core/lib/presentation/utils/icon_utils.dart
index 9bed579b9..a00533bfa 100644
--- a/core/lib/presentation/utils/icon_utils.dart
+++ b/core/lib/presentation/utils/icon_utils.dart
@@ -2,5 +2,5 @@
 import 'package:core/utils/build_utils.dart';
 
 class IconUtils {
-  static final double defaultIconSize = BuildUtils.isWeb ? 20.0 : 24.0;
+  static const double defaultIconSize = BuildUtils.isWeb ? 20.0 : 24.0;
 }
\ No newline at end of file
diff --git a/core/lib/presentation/utils/style_utils.dart b/core/lib/presentation/utils/style_utils.dart
index 585bfb308..05722cc9c 100644
--- a/core/lib/presentation/utils/style_utils.dart
+++ b/core/lib/presentation/utils/style_utils.dart
@@ -2,16 +2,16 @@ import 'package:core/core.dart';
 import 'package:flutter/material.dart';
 
 class CommonTextStyle {
-  static final textStyleNormal = TextStyle(
+  static const textStyleNormal = TextStyle(
     color: AppColor.primaryColor,
     fontSize: 14,
     fontStyle: FontStyle.normal,
     fontWeight: FontWeight.normal,
   );
 
-  static final defaultTextOverFlow = BuildUtils.isWeb
+  static const defaultTextOverFlow = BuildUtils.isWeb
       ? TextOverflow.fade
       : TextOverflow.ellipsis;
 
-  static final defaultSoftWrap = BuildUtils.isWeb ? false : true;
+  static const defaultSoftWrap = BuildUtils.isWeb ? false : true;
 }
\ No newline at end of file
diff --git a/core/lib/presentation/utils/theme_utils.dart b/core/lib/presentation/utils/theme_utils.dart
index 9449ec710..ab03e4fe0 100644
--- a/core/lib/presentation/utils/theme_utils.dart
+++ b/core/lib/presentation/utils/theme_utils.dart
@@ -16,12 +16,12 @@ ThemeData appTheme() {
 InputDecorationTheme inputDecorationTheme() {
   OutlineInputBorder outlineInputBorder = OutlineInputBorder(
     borderRadius: BorderRadius.circular(28),
-    borderSide: BorderSide(color: AppColor.baseTextColor),
+    borderSide: const BorderSide(color: AppColor.baseTextColor),
     gapPadding: 10,
   );
   return InputDecorationTheme(
     floatingLabelBehavior: FloatingLabelBehavior.always,
-    contentPadding: EdgeInsets.symmetric(horizontal: 42, vertical: 20),
+    contentPadding: const EdgeInsets.symmetric(horizontal: 42, vertical: 20),
     enabledBorder: outlineInputBorder,
     focusedBorder: outlineInputBorder,
     border: outlineInputBorder,
@@ -29,14 +29,14 @@ InputDecorationTheme inputDecorationTheme() {
 }
 
 TextTheme textTheme() {
-  return TextTheme(
+  return const TextTheme(
     bodyText1: TextStyle(color: AppColor.baseTextColor),
     bodyText2: TextStyle(color: AppColor.baseTextColor),
   );
 }
 
 AppBarTheme appBarTheme() {
-  return AppBarTheme(
+  return const AppBarTheme(
     color: Colors.white,
     elevation: 0,
     systemOverlayStyle: SystemUiOverlayStyle.light,
diff --git a/core/lib/presentation/views/background/background_widget_builder.dart b/core/lib/presentation/views/background/background_widget_builder.dart
index dee90bc87..865d47558 100644
--- a/core/lib/presentation/views/background/background_widget_builder.dart
+++ b/core/lib/presentation/views/background/background_widget_builder.dart
@@ -26,21 +26,21 @@ class BackgroundWidgetBuilder {
 
   Widget build() {
     return Center(
-      key: _key ?? Key('BackgroundWidgetBuilder'),
+      key: _key ?? const Key('BackgroundWidgetBuilder'),
       child: CustomScrollView(
         slivers: [
           SliverFillRemaining(
-            child: Container(
+            child: SizedBox(
               child: Column(
                 mainAxisAlignment: MainAxisAlignment.center,
                 crossAxisAlignment: CrossAxisAlignment.center,
                 children: [
-                  _image ?? SizedBox.shrink(),
+                  _image ?? const SizedBox.shrink(),
                   Padding(
                     padding: EdgeInsets.only(top: _image != null ? 16 : 0),
                     child: Text(
                       _text ?? '',
-                      style: TextStyle(color: AppColor.baseTextColor, fontSize: 16),
+                      style: const TextStyle(color: AppColor.baseTextColor, fontSize: 16),
                       textAlign: TextAlign.center,
                     ),
                   ),
diff --git a/core/lib/presentation/views/bottom_popup/confirmation_dialog_action_sheet_builder.dart b/core/lib/presentation/views/bottom_popup/confirmation_dialog_action_sheet_builder.dart
index 99c42906e..ed64e18fc 100644
--- a/core/lib/presentation/views/bottom_popup/confirmation_dialog_action_sheet_builder.dart
+++ b/core/lib/presentation/views/bottom_popup/confirmation_dialog_action_sheet_builder.dart
@@ -55,7 +55,7 @@ class ConfirmationDialogActionSheetBuilder {
       builder: (context) => PointerInterceptor(child: CupertinoActionSheet(
         actions: [
           Container(
-              padding: EdgeInsets.symmetric(vertical: 8, horizontal: 10),
+              padding: const EdgeInsets.symmetric(vertical: 8, horizontal: 10),
               color: Colors.white,
               child: MouseRegion(
                 cursor: BuildUtils.isWeb ? MaterialStateMouseCursor.clickable : MouseCursor.defer,
@@ -63,7 +63,7 @@ class ConfirmationDialogActionSheetBuilder {
                   child: Text(
                       _messageText ?? '',
                       textAlign: TextAlign.center,
-                      style: _styleMessage ?? TextStyle(fontSize: 14, color: AppColor.colorMessageConfirmDialog)),
+                      style: _styleMessage ?? const TextStyle(fontSize: 14, color: AppColor.colorMessageConfirmDialog)),
                   onPressed: () => {},
                 ),
               )
@@ -75,7 +75,7 @@ class ConfirmationDialogActionSheetBuilder {
                 child: CupertinoActionSheetAction(
                   child: Text(
                       _confirmText ?? '',
-                      style: _styleConfirmButton ?? TextStyle(fontWeight: FontWeight.w500, fontSize: 20, color: AppColor.colorActionDeleteConfirmDialog)),
+                      style: _styleConfirmButton ?? const TextStyle(fontWeight: FontWeight.w500, fontSize: 20, color: AppColor.colorActionDeleteConfirmDialog)),
                   onPressed: () => _onConfirmActionClick?.call(),
                 ),
               )
@@ -86,7 +86,7 @@ class ConfirmationDialogActionSheetBuilder {
           child: CupertinoActionSheetAction(
             child: Text(
                 _cancelText ?? '',
-                style: _styleCancelButton ?? TextStyle(fontWeight: FontWeight.w500, fontSize: 20, color: AppColor.colorActionCancelDialog)),
+                style: _styleCancelButton ?? const TextStyle(fontWeight: FontWeight.w500, fontSize: 20, color: AppColor.colorActionCancelDialog)),
             onPressed: () => _onCancelActionClick?.call(),
           ),
         ),
diff --git a/core/lib/presentation/views/bottom_popup/cupertino_action_sheet_action_builder.dart b/core/lib/presentation/views/bottom_popup/cupertino_action_sheet_action_builder.dart
index f747850a2..d57f762de 100644
--- a/core/lib/presentation/views/bottom_popup/cupertino_action_sheet_action_builder.dart
+++ b/core/lib/presentation/views/bottom_popup/cupertino_action_sheet_action_builder.dart
@@ -26,7 +26,7 @@ abstract class CupertinoActionSheetActionBuilder<T> {
   }
 
   TextStyle actionTextStyle({TextStyle? textStyle}) {
-    return textStyle ?? TextStyle(fontSize: 17, color: AppColor.colorNameEmail);
+    return textStyle ?? const TextStyle(fontSize: 17, color: AppColor.colorNameEmail);
   }
 
   Widget build();
diff --git a/core/lib/presentation/views/bottom_popup/cupertino_action_sheet_no_icon_builder.dart b/core/lib/presentation/views/bottom_popup/cupertino_action_sheet_no_icon_builder.dart
index 3ef1fd22d..576566c7a 100644
--- a/core/lib/presentation/views/bottom_popup/cupertino_action_sheet_no_icon_builder.dart
+++ b/core/lib/presentation/views/bottom_popup/cupertino_action_sheet_no_icon_builder.dart
@@ -22,7 +22,7 @@ abstract class CupertinoActionSheetNoIconBuilder<T> {
   }
 
   TextStyle actionTextStyle({TextStyle? textStyle}) {
-    return textStyle ?? TextStyle(fontSize: 17, color: Colors.black);
+    return textStyle ?? const TextStyle(fontSize: 17, color: Colors.black);
   }
 
   Widget build();
diff --git a/core/lib/presentation/views/bottom_popup/full_screen_action_sheet_builder.dart b/core/lib/presentation/views/bottom_popup/full_screen_action_sheet_builder.dart
index d6ed2d519..7a580370a 100644
--- a/core/lib/presentation/views/bottom_popup/full_screen_action_sheet_builder.dart
+++ b/core/lib/presentation/views/bottom_popup/full_screen_action_sheet_builder.dart
@@ -12,7 +12,7 @@ class FullScreenActionSheetBuilder {
   final Widget? titleWidget;
   final Widget? cancelWidget;
   OnCloseActionClick? onCloseActionClick;
-  late double _statusBarHeight = MediaQuery.of(context).padding.top;
+  late double _statusBarHeight;
 
   FullScreenActionSheetBuilder({
     required this.context,
@@ -20,7 +20,9 @@ class FullScreenActionSheetBuilder {
     this.titleWidget,
     this.cancelWidget,
     this.onCloseActionClick,
-  });
+  }) {
+    _statusBarHeight = MediaQuery.of(context).padding.top;
+  }
 
   Future show() {
     return showModalBottomSheet(
@@ -44,13 +46,13 @@ class FullScreenActionSheetBuilder {
         child: Padding(
             padding: EdgeInsets.only(top: _statusBarHeight),
             child: ClipRRect(
-              borderRadius: BorderRadius.only(
+              borderRadius: const BorderRadius.only(
                 topRight: Radius.circular(14),
                 topLeft: Radius.circular(14),
               ),
               child: Scaffold(
                 appBar: AppBar(
-                  leading: SizedBox.shrink(),
+                  leading: const SizedBox.shrink(),
                   title: titleWidget,
                   centerTitle: true,
                   actions: [
diff --git a/core/lib/presentation/views/button/button_builder.dart b/core/lib/presentation/views/button/button_builder.dart
index 3b127fae4..6758b30d2 100644
--- a/core/lib/presentation/views/button/button_builder.dart
+++ b/core/lib/presentation/views/button/button_builder.dart
@@ -11,7 +11,7 @@ class ButtonBuilder {
   OnPressActionWithPositionClick? _onPressActionWithPositionClick;
 
   BuildContext? _context;
-  String? _icon;
+  final String? _icon;
   String? _text;
   double? _size;
   EdgeInsets? _paddingIcon;
@@ -93,7 +93,7 @@ class ButtonBuilder {
     return Material(
       color: Colors.transparent,
       child: InkWell(
-        onTap: () => _onPressActionClick != null ? _onPressActionClick?.call() : null,
+        onTap: () => _onPressActionClick != null ? _onPressActionClick!.call() : null,
         onTapDown: (detail) {
           if (_onPressActionWithPositionClick != null && _context != null) {
             final screenSize = MediaQuery.of(_context!).size;
@@ -147,7 +147,7 @@ class ButtonBuilder {
   }
 
   Widget _buildIcon() => Padding(
-    padding: _paddingIcon ?? EdgeInsets.all(10),
+    padding: _paddingIcon ?? const EdgeInsets.all(10),
     child: SvgPicture.asset(
         _icon ?? '',
         width: _size ?? 24,
@@ -157,11 +157,11 @@ class ButtonBuilder {
 
   Widget _buildText() {
     return Text(
-      '${_text ?? ''}',
+      _text ?? '',
       maxLines: 1,
       softWrap: CommonTextStyle.defaultSoftWrap,
       overflow: CommonTextStyle.defaultTextOverFlow,
-      style: _textStyle ?? TextStyle(
+      style: _textStyle ?? const TextStyle(
           fontSize: 12,
           color: AppColor.colorTextButton),
     );
diff --git a/core/lib/presentation/views/button/icon_button_web.dart b/core/lib/presentation/views/button/icon_button_web.dart
index e4032e486..fccb13e81 100644
--- a/core/lib/presentation/views/button/icon_button_web.dart
+++ b/core/lib/presentation/views/button/icon_button_web.dart
@@ -19,13 +19,13 @@ Widget buildIconWeb({
 }) {
   return Material(
       color: colorSelected ?? Colors.transparent,
-      shape: shapeBorder ?? CircleBorder(),
+      shape: shapeBorder ?? const CircleBorder(),
       child: IconButton(
           icon: icon,
           focusColor: colorFocus,
           iconSize: iconSize,
           constraints: minSize != null ? BoxConstraints(minWidth: minSize, minHeight: minSize) : null,
-          padding: iconPadding ?? EdgeInsets.all(8.0),
+          padding: iconPadding ?? const EdgeInsets.all(8.0),
           splashRadius: splashRadius ?? 15,
           tooltip: tooltip ?? '',
           onPressed: onTap)
@@ -40,7 +40,7 @@ Widget buildIconWebHasPosition(BuildContext context, {
 }) {
   return Material(
     color: Colors.transparent,
-    shape: CircleBorder(),
+    shape: const CircleBorder(),
     child: InkWell(
         onTapDown: (detail) {
           final screenSize = MediaQuery.of(context).size;
@@ -54,7 +54,7 @@ Widget buildIconWebHasPosition(BuildContext context, {
           onTapDown?.call(position);
         },
         onTap: () => onTap?.call(),
-        borderRadius: BorderRadius.all(Radius.circular(12)),
+        borderRadius: const BorderRadius.all(const Radius.circular(12)),
         child: Tooltip(
           message: tooltip ?? '',
           child: icon,
@@ -68,15 +68,15 @@ Widget buildTextCircleButton(String text, {
   IconWebCallback? onTap,
 }) {
   return Material(
-      shape: CircleBorder(),
+      shape: const CircleBorder(),
       color: Colors.transparent,
       child: TextButton(
           child: Text(
               text,
-              style: textStyle ?? TextStyle(fontWeight: FontWeight.normal, fontSize: 15, color: AppColor.lineItemListColor)),
+              style: textStyle ?? const TextStyle(fontWeight: FontWeight.normal, fontSize: 15, color: AppColor.lineItemListColor)),
           style: ButtonStyle(
               overlayColor: MaterialStateProperty.resolveWith<Color>((Set<MaterialState> states) => AppColor.colorFocusButton),
-              shape: MaterialStateProperty.all(CircleBorder()),
+              shape: MaterialStateProperty.all(const CircleBorder()),
               padding: MaterialStateProperty.resolveWith<EdgeInsets>((Set<MaterialState> states) => EdgeInsets.zero),
               elevation: MaterialStateProperty.resolveWith<double>((Set<MaterialState> states) => 0)),
           onPressed: () => onTap?.call()
@@ -90,12 +90,12 @@ Widget buildTextIcon(String text, {
   IconWebCallback? onTap,
 }) {
   return Material(
-      shape: CircleBorder(),
+      shape: const CircleBorder(),
       color: Colors.transparent,
       child: InkWell(
           child: Padding(
-              padding: padding ?? EdgeInsets.all(10),
-              child: Text(text, style: textStyle ?? TextStyle(fontWeight: FontWeight.normal, fontSize: 15, color: AppColor.lineItemListColor))),
+              padding: padding ?? const EdgeInsets.all(10),
+              child: Text(text, style: textStyle ?? const TextStyle(fontWeight: FontWeight.normal, fontSize: 15, color: AppColor.lineItemListColor))),
           onTap: () => onTap?.call()
       )
   );
@@ -120,12 +120,12 @@ Widget buildTextButton(String text, {
             backgroundColor: MaterialStateProperty.resolveWith((states) => backgroundColor ?? AppColor.colorTextButton),
             elevation: MaterialStateProperty.resolveWith((states) => 0),
             padding: MaterialStateProperty.resolveWith<EdgeInsets>(
-                (Set<MaterialState> states) => padding ?? EdgeInsets.symmetric(horizontal: 8)),
+                (Set<MaterialState> states) => padding ?? const EdgeInsets.symmetric(horizontal: 8)),
             shape: MaterialStateProperty.all(RoundedRectangleBorder(borderRadius: BorderRadius.circular(radius ?? 0)))),
         child: Text(
             text,
             textAlign: TextAlign.center,
-            style: textStyle ?? TextStyle(
+            style: textStyle ?? const TextStyle(
                 fontSize: 17,
                 color: Colors.white,
                 fontWeight: FontWeight.w500)),
diff --git a/core/lib/presentation/views/checkbox/labeled_checkbox.dart b/core/lib/presentation/views/checkbox/labeled_checkbox.dart
index 408ecf041..b2a511491 100644
--- a/core/lib/presentation/views/checkbox/labeled_checkbox.dart
+++ b/core/lib/presentation/views/checkbox/labeled_checkbox.dart
@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 
 class LabeledCheckbox extends StatelessWidget {
-  const LabeledCheckbox({
+  const LabeledCheckbox({Key? key,
     required this.label,
     this.contentPadding,
     this.value,
@@ -11,7 +11,7 @@ class LabeledCheckbox extends StatelessWidget {
     this.gap = 4.0,
     this.bold = false,
     this.focusNode,
-  });
+  }) : super(key: key);
 
   final String label;
   final EdgeInsets? contentPadding;
diff --git a/core/lib/presentation/views/context_menu/context_menu_action_builder.dart b/core/lib/presentation/views/context_menu/context_menu_action_builder.dart
index 7f916c45a..ec6b2ee4f 100644
--- a/core/lib/presentation/views/context_menu/context_menu_action_builder.dart
+++ b/core/lib/presentation/views/context_menu/context_menu_action_builder.dart
@@ -21,7 +21,7 @@ abstract class ContextMenuActionBuilder<T> {
   }
 
   TextStyle actionTextStyle() {
-    return TextStyle(
+    return const TextStyle(
       fontSize: 15,
       color: AppColor.nameUserColor);
   }
diff --git a/core/lib/presentation/views/context_menu/context_menu_builder.dart b/core/lib/presentation/views/context_menu/context_menu_builder.dart
index 616617e85..325cf04a6 100644
--- a/core/lib/presentation/views/context_menu/context_menu_builder.dart
+++ b/core/lib/presentation/views/context_menu/context_menu_builder.dart
@@ -39,18 +39,18 @@ class ContextMenuBuilder {
   }
 
   RoundedRectangleBorder _shape() {
-    return RoundedRectangleBorder(
+    return const RoundedRectangleBorder(
       borderRadius: BorderRadius.only(
         topLeft: Radius.circular(20.0),
         topRight: Radius.circular(20.0)));
   }
 
   BoxDecoration _decoration(BuildContext context) {
-    return BoxDecoration(
+    return const BoxDecoration(
       color: Colors.white,
       borderRadius: BorderRadius.only(
-        topLeft: const Radius.circular(20.0),
-        topRight: const Radius.circular(20.0)));
+        topLeft: Radius.circular(20.0),
+        topRight: Radius.circular(20.0)));
   }
 
   void build() {
@@ -68,22 +68,22 @@ class ContextMenuBuilder {
               onTap: () => {},
               child: Wrap(
                 children: [
-                  _header ?? SizedBox.shrink(),
-                  Divider(),
+                  _header ?? const SizedBox.shrink(),
+                  const Divider(),
                   areTilesHorizontal
                       ? Row(children: [
                           ..._actionTiles,
-                          _actionTiles.isNotEmpty && _footer != null ? Divider() : SizedBox.shrink()
+                          _actionTiles.isNotEmpty && _footer != null ? const Divider() : const SizedBox.shrink()
                         ])
                       : Column(children: [
                           ..._actionTiles,
-                          _actionTiles.isNotEmpty && _footer != null ? Divider() : SizedBox.shrink()
+                          _actionTiles.isNotEmpty && _footer != null ? const Divider() : const SizedBox.shrink()
                         ]),
                   _footer != null
                       ? Padding(
-                          padding: EdgeInsets.only(bottom: 10.0),
-                          child: Wrap(children: [_footer ?? SizedBox.shrink()]))
-                      : SizedBox.shrink(),
+                          padding: const EdgeInsets.only(bottom: 10.0),
+                          child: Wrap(children: [_footer ?? const SizedBox.shrink()]))
+                      : const SizedBox.shrink(),
                 ],
               ),
             ),
diff --git a/core/lib/presentation/views/context_menu/context_menu_header_builder.dart b/core/lib/presentation/views/context_menu/context_menu_header_builder.dart
index d89770d6c..f563b64ef 100644
--- a/core/lib/presentation/views/context_menu/context_menu_header_builder.dart
+++ b/core/lib/presentation/views/context_menu/context_menu_header_builder.dart
@@ -24,7 +24,7 @@ class ContextMenuHeaderBuilder {
         transform: Matrix4.translationValues(12, 5, 0.0),
         child: Text(
           _label ?? '',
-          style: _textStyle ?? TextStyle(fontSize: 20.0, color: AppColor.nameUserColor, fontWeight: FontWeight.w500),
+          style: _textStyle ?? const TextStyle(fontSize: 20.0, color: AppColor.nameUserColor, fontWeight: FontWeight.w500),
         ),
       ));
   }
diff --git a/core/lib/presentation/views/context_menu/simple_context_menu_action_builder.dart b/core/lib/presentation/views/context_menu/simple_context_menu_action_builder.dart
index a3fe77784..1d48577f8 100644
--- a/core/lib/presentation/views/context_menu/simple_context_menu_action_builder.dart
+++ b/core/lib/presentation/views/context_menu/simple_context_menu_action_builder.dart
@@ -15,7 +15,7 @@ class SimpleContextMenuActionBuilder extends ContextMenuActionBuilder<void> {
     return ListTile(
       key: key,
       leading: Padding(
-        padding: EdgeInsets.only(left: 12),
+        padding: const EdgeInsets.only(left: 12),
         child: actionIcon),
       title: Text(actionName, style: actionTextStyle()),
       onTap: () {
diff --git a/core/lib/presentation/views/dialog/confirmation_dialog_builder.dart b/core/lib/presentation/views/dialog/confirmation_dialog_builder.dart
index fe920d53a..2332e8274 100644
--- a/core/lib/presentation/views/dialog/confirmation_dialog_builder.dart
+++ b/core/lib/presentation/views/dialog/confirmation_dialog_builder.dart
@@ -128,9 +128,9 @@ class ConfirmDialogBuilder {
     } else {
       return Dialog(
         key: _key,
-        shape: RoundedRectangleBorder(
+        shape: const RoundedRectangleBorder(
             borderRadius: BorderRadius.all(Radius.circular(16))),
-        insetPadding: EdgeInsets.symmetric(
+        insetPadding: const EdgeInsets.symmetric(
             horizontal: 24.0,
             vertical: 16.0),
         child: _bodyContent(),
@@ -141,49 +141,49 @@ class ConfirmDialogBuilder {
   Widget _bodyContent() {
     return Container(
         width: _widthDialog ?? 400,
-        decoration: BoxDecoration(
+        decoration: const BoxDecoration(
             color: Colors.white,
-            borderRadius: BorderRadius.all(Radius.circular(16))),
+            borderRadius: const BorderRadius.all(Radius.circular(16))),
         margin: _margin,
         child: Wrap(children: [
           if (_onCloseButtonAction != null)
             Align(
                 alignment: Alignment.centerRight,
                 child: Padding(
-                    padding: EdgeInsets.only(top: 8, right: 8),
+                    padding: const EdgeInsets.only(top: 8, right: 8),
                     child: buildIconWeb(
                         icon: SvgPicture.asset(_imagePath.icCloseMailbox, fit: BoxFit.fill),
                         onTap: () => _onCloseButtonAction?.call())
                 )),
           if (_iconWidget != null)
             Container(
-              margin: _marginIcon ?? EdgeInsets.only(top: 24),
+              margin: _marginIcon ?? const EdgeInsets.only(top: 24),
               alignment: Alignment.center,
               child: _iconWidget,
             ),
           if (_title.isNotEmpty)
             Padding(
-                padding: _paddingTitle ?? EdgeInsets.only(top: 12),
+                padding: _paddingTitle ?? const EdgeInsets.only(top: 12),
                 child: Center(
                     child: Text(
                         _title,
                         textAlign: TextAlign.center,
-                        style: _styleTitle ?? TextStyle(fontSize: 20.0, color: AppColor.colorActionDeleteConfirmDialog, fontWeight: FontWeight.w500)
+                        style: _styleTitle ?? const TextStyle(fontSize: 20.0, color: AppColor.colorActionDeleteConfirmDialog, fontWeight: FontWeight.w500)
                     )
                 )
             ),
           if (_content.isNotEmpty)
             Padding(
-              padding: _paddingContent ?? EdgeInsets.symmetric(horizontal: 16, vertical: 24),
+              padding: _paddingContent ?? const EdgeInsets.symmetric(horizontal: 16, vertical: 24),
               child: Center(
                 child: Text(_content,
                     textAlign: TextAlign.center,
-                    style: _styleContent ?? TextStyle(fontSize: 17.0, color: AppColor.colorMessageDialog)
+                    style: _styleContent ?? const TextStyle(fontSize: 17.0, color: AppColor.colorMessageDialog)
                 ),
               ),
             ),
           Padding(
-              padding: _paddingButton ?? EdgeInsets.only(bottom: 16, left: 16, right: 16),
+              padding: _paddingButton ?? const EdgeInsets.only(bottom: 16, left: 16, right: 16),
               child: Row(
                   children: [
                     if (_cancelText.isNotEmpty)
@@ -193,7 +193,7 @@ class ConfirmDialogBuilder {
                           radius: _radiusButton,
                           textStyle: _styleTextCancelButton,
                           action: _onCancelButtonAction)),
-                    if (_confirmText.isNotEmpty && _cancelText.isNotEmpty) SizedBox(width: 16),
+                    if (_confirmText.isNotEmpty && _cancelText.isNotEmpty) const SizedBox(width: 16),
                     if (_confirmText.isNotEmpty)
                       Expanded(child: _buildButton(
                           name: _confirmText,
@@ -225,11 +225,11 @@ class ConfirmDialogBuilder {
               side: BorderSide(width: 0, color: bgColor ?? AppColor.colorTextButton),
             )),
             padding: MaterialStateProperty.resolveWith<EdgeInsets>(
-                    (Set<MaterialState> states) => EdgeInsets.symmetric(horizontal: 16)),
+                    (Set<MaterialState> states) => const EdgeInsets.symmetric(horizontal: 16)),
             elevation: MaterialStateProperty.resolveWith<double>((Set<MaterialState> states) => 0)),
         child: Text(name ?? '',
             textAlign: TextAlign.center,
-            style: textStyle ?? TextStyle(fontSize: 17, fontWeight: FontWeight.w500, color: Colors.white)),
+            style: textStyle ?? const TextStyle(fontSize: 17, fontWeight: FontWeight.w500, color: Colors.white)),
       )
     );
   }
diff --git a/core/lib/presentation/views/dialog/downloading_file_dialog_builder.dart b/core/lib/presentation/views/dialog/downloading_file_dialog_builder.dart
index f56c14671..41e8769a1 100644
--- a/core/lib/presentation/views/dialog/downloading_file_dialog_builder.dart
+++ b/core/lib/presentation/views/dialog/downloading_file_dialog_builder.dart
@@ -37,21 +37,21 @@ class DownloadingFileDialogBuilder {
 
   Widget build() {
     return CupertinoAlertDialog(
-      key: _key ?? Key('DownloadingFileBuilder'),
-      title: Text(_title, style: TextStyle(fontSize: 17.0, color: Colors.black)),
+      key: _key ?? const Key('DownloadingFileBuilder'),
+      title: Text(_title, style: const TextStyle(fontSize: 17.0, color: Colors.black)),
       content: Padding(
-        padding: EdgeInsets.only(top: 16.0, left: 16.0, right: 16.0),
+        padding: const EdgeInsets.only(top: 16.0, left: 16.0, right: 16.0),
         child: Center(
           child: Column(
             children: [
-              SizedBox(
+              const SizedBox(
                 width: 20.0,
                 height: 20.0,
                 child: CupertinoActivityIndicator()),
-              SizedBox(height: 16),
+              const SizedBox(height: 16),
               Text(
                 _content,
-                style: TextStyle(fontSize: 13.0, color: Colors.black),
+                style: const TextStyle(fontSize: 13.0, color: Colors.black),
                 softWrap: false,
                 maxLines: 1)
             ],
@@ -60,10 +60,10 @@ class DownloadingFileDialogBuilder {
       actions: [
         if (_actionText.isNotEmpty)
           Padding(
-            padding: EdgeInsets.only(bottom: kIsWeb ? 16 : 0, top: kIsWeb ? 16 : 0),
+            padding: const EdgeInsets.only(bottom: kIsWeb ? 16 : 0, top: kIsWeb ? 16 : 0),
             child: TextButton(
               onPressed: () => _onCancelDownloadActionClick?.call(),
-              child: Text(_actionText, style: TextStyle(fontSize: 17.0, color: AppColor.appColor)),
+              child: Text(_actionText, style: const TextStyle(fontSize: 17.0, color: AppColor.appColor)),
             ))
       ],
     );
diff --git a/core/lib/presentation/views/dialog/edit_text_dialog_builder.dart b/core/lib/presentation/views/dialog/edit_text_dialog_builder.dart
index 08ef5ccb9..a3c9860aa 100644
--- a/core/lib/presentation/views/dialog/edit_text_dialog_builder.dart
+++ b/core/lib/presentation/views/dialog/edit_text_dialog_builder.dart
@@ -82,26 +82,26 @@ class EditTextDialogBuilder {
   Widget build() {
     return Dialog(
       key: _key,
-      shape: RoundedRectangleBorder(borderRadius: BorderRadius.all(Radius.circular(20))),
-      insetPadding: EdgeInsets.symmetric(horizontal: 8.0, vertical: 8.0),
+      shape: const RoundedRectangleBorder(borderRadius: BorderRadius.all(Radius.circular(20))),
+      insetPadding: const EdgeInsets.symmetric(horizontal: 8.0, vertical: 8.0),
       child: Container(
         margin: EdgeInsets.zero,
         padding: EdgeInsets.zero,
         width: 400,
-        decoration: BoxDecoration(
+        decoration: const BoxDecoration(
             color: Colors.white,
             borderRadius: BorderRadius.all(Radius.circular(20))),
         child: StatefulBuilder(builder: (BuildContext context, StateSetter setState) {
           return Container(
-              padding: EdgeInsets.only(left: 30, right: 30, top: 30, bottom: 24),
+              padding: const EdgeInsets.only(left: 30, right: 30, top: 30, bottom: 24),
               child: Wrap(
                 children: <Widget>[
                   Text(
                       _title,
-                      style: TextStyle(fontSize: 20, color: AppColor.colorNameEmail, fontWeight: FontWeight.w700),
+                      style: const TextStyle(fontSize: 20, color: AppColor.colorNameEmail, fontWeight: FontWeight.w700),
                       textAlign: TextAlign.center),
                   Padding(
-                      padding: EdgeInsets.only(top: 20),
+                      padding: const EdgeInsets.only(top: 20),
                       child: TextFormField(
                         keyboardType: TextInputType.visiblePassword,
                         onChanged: (value) => _onTextChanged(value, setState),
@@ -109,12 +109,12 @@ class EditTextDialogBuilder {
                         controller: _textController,
                         decoration: InputDecoration(
                             errorText: _error,
-                            enabledBorder: UnderlineInputBorder(borderSide: BorderSide(color: AppColor.colorDividerMailbox)),
+                            enabledBorder: const UnderlineInputBorder(borderSide: BorderSide(color: AppColor.colorDividerMailbox)),
                             hintText: _hintText),
                       )
                   ),
                   Padding(
-                      padding: EdgeInsets.only(left: 16, right: 16, top: 24),
+                      padding: const EdgeInsets.only(left: 16, right: 16, top: 24),
                       child: Row(
                           children: [
                             Expanded(
@@ -123,7 +123,7 @@ class EditTextDialogBuilder {
                                     bgColor: AppColor.colorContentEmail,
                                     action: () => _onCancelButtonPress(context))
                             ),
-                            SizedBox(width: 20),
+                            const SizedBox(width: 20),
                             Expanded(
                                 child: _buildButton(
                                     name: _confirmText,
@@ -164,7 +164,7 @@ class EditTextDialogBuilder {
               side: BorderSide(width: 0, color: bgColor ?? AppColor.colorTextButton),
             )),
             padding: MaterialStateProperty.resolveWith<EdgeInsets>(
-                    (Set<MaterialState> states) => EdgeInsets.symmetric(horizontal: 16)),
+                    (Set<MaterialState> states) => const EdgeInsets.symmetric(horizontal: 16)),
             elevation: MaterialStateProperty.resolveWith<double>((Set<MaterialState> states) => 0)),
         child: Text(name ?? '',
             textAlign: TextAlign.center,
diff --git a/core/lib/presentation/views/floating_button/scrolling_floating_button_animated.dart b/core/lib/presentation/views/floating_button/scrolling_floating_button_animated.dart
index 41448b33b..a9c1aac25 100644
--- a/core/lib/presentation/views/floating_button/scrolling_floating_button_animated.dart
+++ b/core/lib/presentation/views/floating_button/scrolling_floating_button_animated.dart
@@ -40,7 +40,7 @@ class ScrollingFloatingButtonAnimated extends StatefulWidget {
   /// Value to indicate if animate or not the icon
   final bool? animateIcon;
 
-  ScrollingFloatingButtonAnimated(
+  const ScrollingFloatingButtonAnimated(
       {Key? key,
       required this.icon,
       required this.text,
@@ -72,10 +72,10 @@ class _ScrollingFloatingButtonAnimatedState
 
   @override
   void initState() {
-    _animationController = new AnimationController(
+    _animationController = AnimationController(
       vsync: this,
-      duration: Duration(milliseconds: 250),
-      reverseDuration: Duration(milliseconds: 250),
+      duration: const Duration(milliseconds: 250),
+      reverseDuration: const Duration(milliseconds: 250),
       animationBehavior: AnimationBehavior.normal,
       lowerBound: 0,
       upperBound: 120,
@@ -95,7 +95,6 @@ class _ScrollingFloatingButtonAnimatedState
   void _handleScroll() {
     ScrollController _scrollController = widget.scrollController!;
     _scrollController.addListener(() {
-      print(_scrollController.position.userScrollDirection);
       if (_scrollController.position.pixels > widget.limitIndicator! &&
           _scrollController.position.userScrollDirection ==
               ScrollDirection.reverse) {
@@ -122,7 +121,7 @@ class _ScrollingFloatingButtonAnimatedState
   Widget build(BuildContext context) {
     final shortestSide = MediaQuery.of(context).size.shortestSide;
     if (shortestSide < 60) {
-      return SizedBox.shrink();
+      return const SizedBox.shrink();
     }
     return Card(
       elevation: widget.elevation,
diff --git a/core/lib/presentation/views/html_viewer/html_content_viewer_on_web_widget.dart b/core/lib/presentation/views/html_viewer/html_content_viewer_on_web_widget.dart
index 581e279ec..50277a72b 100644
--- a/core/lib/presentation/views/html_viewer/html_content_viewer_on_web_widget.dart
+++ b/core/lib/presentation/views/html_viewer/html_content_viewer_on_web_widget.dart
@@ -121,7 +121,7 @@ class _HtmlContentViewerOnWebState extends State<HtmlContentViewerOnWeb> {
       </script>
     ''';
 
-    final scriptsDisableZoom = '''
+    const scriptsDisableZoom = '''
       <script type="text/javascript">
         document.addEventListener('wheel', function(e) {
           e.ctrlKey && e.preventDefault();
@@ -165,7 +165,7 @@ class _HtmlContentViewerOnWebState extends State<HtmlContentViewerOnWeb> {
         final dataGetHeight = <String, Object>{'type': 'toIframe: getHeight', 'view' : createdViewId};
         final dataGetWidth = <String, Object>{'type': 'toIframe: getWidth', 'view' : createdViewId};
 
-        final jsonEncoder = JsonEncoder();
+        const jsonEncoder = JsonEncoder();
         final jsonGetHeight = jsonEncoder.convert(dataGetHeight);
         final jsonGetWidth = jsonEncoder.convert(dataGetWidth);
 
@@ -220,7 +220,7 @@ class _HtmlContentViewerOnWebState extends State<HtmlContentViewerOnWeb> {
               if (urlString.startsWith('mailto:')) {
                 widget.mailtoDelegate?.call(Uri.parse(urlString));
               } else {
-                html.window.open('$urlString', '_blank');
+                html.window.open(urlString, '_blank');
               }
             }
           }
@@ -251,7 +251,7 @@ class _HtmlContentViewerOnWebState extends State<HtmlContentViewerOnWeb> {
   }
 
   Widget _buildLoadingView() {
-    return Padding(
+    return const Padding(
         padding: EdgeInsets.all(16),
         child: SizedBox(
             width: 30,
diff --git a/core/lib/presentation/views/html_viewer/html_content_viewer_widget.dart b/core/lib/presentation/views/html_viewer/html_content_viewer_widget.dart
index 7235156d0..083df6c73 100644
--- a/core/lib/presentation/views/html_viewer/html_content_viewer_widget.dart
+++ b/core/lib/presentation/views/html_viewer/html_content_viewer_widget.dart
@@ -81,7 +81,7 @@ class _HtmlContentViewState extends State<HtmlContentViewer> {
   }
 
   Widget _buildLoadingView() {
-    return Padding(
+    return const Padding(
         padding: EdgeInsets.all(16),
         child: SizedBox(
           width: 30,
diff --git a/core/lib/presentation/views/html_viewer/html_viewer_controller_for_web.dart b/core/lib/presentation/views/html_viewer/html_viewer_controller_for_web.dart
index ff1d883a1..ab15b7ef1 100644
--- a/core/lib/presentation/views/html_viewer/html_viewer_controller_for_web.dart
+++ b/core/lib/presentation/views/html_viewer/html_viewer_controller_for_web.dart
@@ -44,7 +44,7 @@ class HtmlViewerControllerForWeb {
   void _evaluateJavascriptWeb({required Map<String, Object?> data}) async {
     if (kIsWeb) {
       data['view'] = _viewId;
-      final jsonEncoder = JsonEncoder();
+      const jsonEncoder = JsonEncoder();
       var json = jsonEncoder.convert(data);
       html.window.postMessage(json, '*');
     } else {
diff --git a/core/lib/presentation/views/image/avatar_builder.dart b/core/lib/presentation/views/image/avatar_builder.dart
index 93dfe9055..8cdc26857 100644
--- a/core/lib/presentation/views/image/avatar_builder.dart
+++ b/core/lib/presentation/views/image/avatar_builder.dart
@@ -64,7 +64,7 @@ class AvatarBuilder {
 
   Widget build() {
     return InkWell(
-      onTap: () => _onTapAvatarActionClick != null ? _onTapAvatarActionClick?.call() : null,
+      onTap: () => _onTapAvatarActionClick != null ? _onTapAvatarActionClick!.call() : null,
       onTapDown: (detail) {
         if (_onTapAvatarActionWithPositionClick != null && _context != null) {
           final screenSize = MediaQuery.of(_context!).size;
@@ -96,7 +96,7 @@ class AvatarBuilder {
               color: _bgColor ?? AppColor.avatarColor
           ),
           child: Text(
-              '${_text ?? ''}',
+              _text ?? '',
               style: _textStyle ?? TextStyle(fontSize: 20, color: _textColor ?? AppColor.avatarTextColor, fontWeight: FontWeight.w500)
           )
       ),
diff --git a/core/lib/presentation/views/image/icon_builder.dart b/core/lib/presentation/views/image/icon_builder.dart
index 41a14b31f..a6212087a 100644
--- a/core/lib/presentation/views/image/icon_builder.dart
+++ b/core/lib/presentation/views/image/icon_builder.dart
@@ -6,7 +6,7 @@ typedef OnPressIconActionClick = void Function();
 class IconBuilder {
   Key? _key;
   double? _size;
-  String? _icon;
+  final String? _icon;
   EdgeInsets? _padding;
   OnPressIconActionClick? _onPressIconActionClick;
 
@@ -34,7 +34,7 @@ class IconBuilder {
       width: _size ?? 40,
       height: _size ?? 40,
       alignment: Alignment.center,
-      padding: _padding ?? EdgeInsets.all(3),
+      padding: _padding ?? const EdgeInsets.all(3),
       child: Material(
           borderRadius: BorderRadius.circular((_size ?? 40) / 2),
           color: Colors.transparent,
diff --git a/core/lib/presentation/views/list/tree_view.dart b/core/lib/presentation/views/list/tree_view.dart
index 825ead95c..aeeead241 100644
--- a/core/lib/presentation/views/list/tree_view.dart
+++ b/core/lib/presentation/views/list/tree_view.dart
@@ -6,9 +6,9 @@ class TreeView extends InheritedWidget {
 
   TreeView({
     Key? key,
-    required List<Widget> children,
-    bool startExpanded = false,
-  }) : this.children = children, this.startExpanded = startExpanded, super (
+    required this.children,
+    this.startExpanded = false,
+  }) : super (
     key: key,
     child: _TreeViewData(
       children: children,
@@ -21,8 +21,8 @@ class TreeView extends InheritedWidget {
 
   @override
   bool updateShouldNotify(TreeView oldWidget) {
-    if (oldWidget.children == this.children &&
-        oldWidget.startExpanded == this.startExpanded) {
+    if (oldWidget.children == children &&
+        oldWidget.startExpanded == startExpanded) {
       return false;
     }
     return true;
@@ -39,7 +39,7 @@ class _TreeViewData extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return ListView.builder(
-      key: PageStorageKey('tree_view'),
+      key: const PageStorageKey('tree_view'),
       shrinkWrap: true,
       primary: false,
       padding: EdgeInsets.zero,
@@ -82,12 +82,12 @@ class TreeViewChild {
           },
         ),
         AnimatedContainer(
-          duration: Duration(milliseconds: 400),
+          duration: const Duration(milliseconds: 400),
           child: isExpanded!
             ? Column(
                 mainAxisSize: MainAxisSize.min,
-                children: children.map((child) => Padding(padding: EdgeInsets.only(left: 20), child: child)).toList())
-            : Offstage(),
+                children: children.map((child) => Padding(padding: const EdgeInsets.only(left: 20), child: child)).toList())
+            : const Offstage(),
         ),
       ],
     );
diff --git a/core/lib/presentation/views/modal_sheets/edit_text_modal_sheet_builder.dart b/core/lib/presentation/views/modal_sheets/edit_text_modal_sheet_builder.dart
index f0a4d1b6b..b7a8c62be 100644
--- a/core/lib/presentation/views/modal_sheets/edit_text_modal_sheet_builder.dart
+++ b/core/lib/presentation/views/modal_sheets/edit_text_modal_sheet_builder.dart
@@ -107,7 +107,7 @@ class EditTextModalSheetBuilder {
       isScrollControlled: true,
       context: context,
       constraints: _constraints,
-      shape: RoundedRectangleBorder(
+      shape: const RoundedRectangleBorder(
         borderRadius: BorderRadius.only(
             topLeft: Radius.circular(20.0),
             topRight: Radius.circular(20.0))),
@@ -117,15 +117,15 @@ class EditTextModalSheetBuilder {
               key: _key,
               padding: MediaQuery.of(context).viewInsets,
               child: Container(
-                  padding: EdgeInsets.only(left: 50, right: 50, top: 48, bottom: 20),
+                  padding: const EdgeInsets.only(left: 50, right: 50, top: 48, bottom: 20),
                   child: Wrap(
                     children: <Widget>[
                       Text(
                           _title,
-                          style: TextStyle(fontSize: 20, color: AppColor.colorNameEmail, fontWeight: FontWeight.w700),
+                          style: const TextStyle(fontSize: 20, color: AppColor.colorNameEmail, fontWeight: FontWeight.w700),
                           textAlign: TextAlign.center),
                       Padding(
-                          padding: EdgeInsets.only(top: 20),
+                          padding: const EdgeInsets.only(top: 20),
                           child: TextFormField(
                             keyboardType: TextInputType.visiblePassword,
                             onChanged: (value) => _onTextChanged(value, setState),
@@ -133,7 +133,7 @@ class EditTextModalSheetBuilder {
                             controller: _textController,
                             decoration: InputDecoration(
                                 errorText: _error,
-                                enabledBorder: UnderlineInputBorder(borderSide: BorderSide(color: AppColor.colorDividerMailbox)),
+                                enabledBorder: const UnderlineInputBorder(borderSide: BorderSide(color: AppColor.colorDividerMailbox)),
                                 hintText: _hintText),
                           )
                       ),
@@ -142,7 +142,7 @@ class EditTextModalSheetBuilder {
                         children: [
                           TextButton(
                             onPressed: () => _onCancelButtonPress(context),
-                            child: Text(_cancelText.toUpperCase(), style: TextStyle(color: AppColor.colorTextButton)),
+                            child: Text(_cancelText.toUpperCase(), style: const TextStyle(color: AppColor.colorTextButton)),
                           ),
                           TextButton(
                             onPressed: () => _onConfirmButtonPress(context),
diff --git a/core/lib/presentation/views/popup_menu/popup_menu_item_widget.dart b/core/lib/presentation/views/popup_menu/popup_menu_item_widget.dart
index 7d37f2f99..b9c94aecb 100644
--- a/core/lib/presentation/views/popup_menu/popup_menu_item_widget.dart
+++ b/core/lib/presentation/views/popup_menu/popup_menu_item_widget.dart
@@ -11,30 +11,30 @@ class PopupMenuItemWidget extends StatelessWidget {
   final Color? iconColor;
   final String? iconSelection;
 
-  PopupMenuItemWidget(
+  const PopupMenuItemWidget(
     this.icon,
     this.name,
     this.onTapCallback,
-    {
+    {Key? key,
       this.iconSelection,
       this.iconColor
-    });
+    }) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
     return InkWell(
         onTap: () => onTapCallback.call(),
         child: Padding(
-          padding: EdgeInsets.symmetric(horizontal: 20, vertical: 16),
+          padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 16),
           child: SizedBox(
               child: Row(children: [
                 SvgPicture.asset(icon, width: 20, height: 20, fit: BoxFit.fill, color: iconColor),
-                SizedBox(width: 12),
+                const SizedBox(width: 12),
                 Expanded(child: Text(name,
-                    style: TextStyle(fontSize: 15, color: Colors.black, fontWeight: FontWeight.w500))),
+                    style: const TextStyle(fontSize: 15, color: Colors.black, fontWeight: FontWeight.w500))),
                 if (iconSelection != null)
                   Padding(
-                    padding: EdgeInsets.only(left: 12),
+                    padding: const EdgeInsets.only(left: 12),
                     child: SvgPicture.asset(iconSelection!, width: 16, height: 16, fit: BoxFit.fill)),
               ])
           ),
diff --git a/core/lib/presentation/views/quick_search/quick_search_input_form.dart b/core/lib/presentation/views/quick_search/quick_search_input_form.dart
index 5e7432ea9..e32d42097 100644
--- a/core/lib/presentation/views/quick_search/quick_search_input_form.dart
+++ b/core/lib/presentation/views/quick_search/quick_search_input_form.dart
@@ -4,6 +4,7 @@ import 'dart:math';
 import 'dart:io';
 
 import 'package:core/presentation/extensions/color_extension.dart';
+import 'package:core/utils/app_logger.dart';
 import 'package:flutter/foundation.dart';
 
 import 'package:flutter/material.dart';
@@ -11,16 +12,16 @@ import 'package:flutter/services.dart';
 import 'package:flutter_keyboard_visibility/flutter_keyboard_visibility.dart';
 import 'package:pointer_interceptor/pointer_interceptor.dart';
 
-typedef FutureOr<Iterable<T>> SuggestionsCallback<T>(String pattern);
-typedef FutureOr<Iterable<R>> FetchRecentActionCallback<R>(String pattern);
-typedef Widget ItemBuilder<T>(BuildContext context, T itemData);
-typedef void SuggestionSelectionCallback<T>(T suggestion);
-typedef void RecentSelectionCallback<R>(R recent);
-typedef Widget ErrorBuilder(BuildContext context, Object? error);
-typedef Widget ButtonActionBuilder(BuildContext context, dynamic action);
-typedef void ButtonActionCallback(dynamic action);
+typedef SuggestionsCallback<T> = FutureOr<Iterable<T>> Function(String pattern);
+typedef FetchRecentActionCallback<R> = FutureOr<Iterable<R>> Function(String pattern);
+typedef ItemBuilder<T> = Widget Function(BuildContext context, T itemData);
+typedef SuggestionSelectionCallback<T> = void Function(T suggestion);
+typedef RecentSelectionCallback<R> = void Function(R recent);
+typedef ErrorBuilder = Widget Function(BuildContext context, Object? error);
+typedef ButtonActionBuilder = Widget Function(BuildContext context, dynamic action);
+typedef ButtonActionCallback = void Function(dynamic action);
 
-typedef Widget AnimationTransitionBuilder(
+typedef AnimationTransitionBuilder = Widget Function(
     BuildContext context, Widget child, AnimationController? controller);
 
 final supportedPlatform = (kIsWeb || Platform.isAndroid || Platform.isIOS);
@@ -42,40 +43,40 @@ class QuickSearchInputForm<T, R> extends FormField<String> {
   QuickSearchInputForm(
       {Key? key,
         String? initialValue,
-        bool getImmediateSuggestions: false,
+        bool getImmediateSuggestions = false,
         @Deprecated('Use autovalidateMode parameter which provides more specific '
             'behavior related to auto validation. '
             'This feature was deprecated after Flutter v1.19.0.')
-        bool autovalidate: false,
-        bool enabled: true,
-        AutovalidateMode autovalidateMode: AutovalidateMode.disabled,
+        bool autovalidate = false,
+        bool enabled = true,
+        AutovalidateMode autovalidateMode = AutovalidateMode.disabled,
         FormFieldSetter<String>? onSaved,
         FormFieldValidator<String>? validator,
         ErrorBuilder? errorBuilder,
         WidgetBuilder? noItemsFoundBuilder,
         WidgetBuilder? loadingBuilder,
-        Duration debounceDuration: const Duration(milliseconds: 300),
-        QuickSearchSuggestionsBoxDecoration suggestionsBoxDecoration:
+        Duration debounceDuration = const Duration(milliseconds: 300),
+        QuickSearchSuggestionsBoxDecoration suggestionsBoxDecoration =
         const QuickSearchSuggestionsBoxDecoration(),
         QuickSearchSuggestionsBoxController? suggestionsBoxController,
         required SuggestionSelectionCallback<T> onSuggestionSelected,
         required ItemBuilder<T> itemBuilder,
         required SuggestionsCallback<T> suggestionsCallback,
-        double suggestionsBoxVerticalOffset: 5.0,
-        this.textFieldConfiguration: const QuickSearchTextFieldConfiguration(),
+        double suggestionsBoxVerticalOffset = 5.0,
+        this.textFieldConfiguration = const QuickSearchTextFieldConfiguration(),
         AnimationTransitionBuilder? transitionBuilder,
-        Duration animationDuration: const Duration(milliseconds: 500),
-        double animationStart: 0.25,
-        AxisDirection direction: AxisDirection.down,
-        bool hideOnLoading: false,
-        bool hideOnEmpty: false,
-        bool hideOnError: false,
-        bool hideSuggestionsOnKeyboardHide: true,
-        bool keepSuggestionsOnLoading: true,
-        bool keepSuggestionsOnSuggestionSelected: false,
-        bool autoFlipDirection: false,
-        bool hideKeyboard: false,
-        int minCharsForSuggestions: 0,
+        Duration animationDuration = const Duration(milliseconds: 500),
+        double animationStart = 0.25,
+        AxisDirection direction = AxisDirection.down,
+        bool hideOnLoading = false,
+        bool hideOnEmpty = false,
+        bool hideOnError = false,
+        bool hideSuggestionsOnKeyboardHide = true,
+        bool keepSuggestionsOnLoading = true,
+        bool keepSuggestionsOnSuggestionSelected = false,
+        bool autoFlipDirection = false,
+        bool hideKeyboard = false,
+        int minCharsForSuggestions = 0,
         List<dynamic>? listActionButton,
         ButtonActionBuilder? actionButtonBuilder,
         ButtonActionCallback? buttonActionCallback,
@@ -85,7 +86,7 @@ class QuickSearchInputForm<T, R> extends FormField<String> {
         FetchRecentActionCallback<R>? fetchRecentActionCallback,
         RecentSelectionCallback<R>? onRecentSelected,
         EdgeInsets? listActionPadding,
-        bool hideSuggestionsBox: false,
+        bool hideSuggestionsBox = false,
         BoxDecoration? decoration,
         double? maxHeight,
       }) : assert(
@@ -189,13 +190,15 @@ class _TypeAheadFormFieldState<T, R> extends FormFieldState<String> {
           ?.addListener(_handleControllerChanged);
 
       if (oldWidget.textFieldConfiguration.controller != null &&
-          widget.textFieldConfiguration.controller == null)
+          widget.textFieldConfiguration.controller == null) {
         _controller = TextEditingController.fromValue(
             oldWidget.textFieldConfiguration.controller!.value);
+      }
       if (widget.textFieldConfiguration.controller != null) {
         setValue(widget.textFieldConfiguration.controller!.text);
-        if (oldWidget.textFieldConfiguration.controller == null)
+        if (oldWidget.textFieldConfiguration.controller == null) {
           _controller = null;
+        }
       }
     }
   }
@@ -223,8 +226,9 @@ class _TypeAheadFormFieldState<T, R> extends FormFieldState<String> {
     // notifications for changes originating from within this class -- for
     // example, the reset() method. In such cases, the FormField value will
     // already have been set.
-    if (_effectiveController!.text != value)
+    if (_effectiveController!.text != value) {
       didChange(_effectiveController!.text);
+    }
   }
 }
 
@@ -516,34 +520,34 @@ class TypeAheadFieldQuickSearch<T, R> extends StatefulWidget {
   final double? maxHeight;
 
   /// Creates a [TypeAheadFieldQuickSearch]
-  TypeAheadFieldQuickSearch(
+  const TypeAheadFieldQuickSearch(
       {Key? key,
         required this.suggestionsCallback,
         required this.itemBuilder,
         required this.onSuggestionSelected,
-        this.textFieldConfiguration: const QuickSearchTextFieldConfiguration(),
-        this.suggestionsBoxDecoration: const QuickSearchSuggestionsBoxDecoration(),
-        this.debounceDuration: const Duration(milliseconds: 300),
+        this.textFieldConfiguration = const QuickSearchTextFieldConfiguration(),
+        this.suggestionsBoxDecoration = const QuickSearchSuggestionsBoxDecoration(),
+        this.debounceDuration = const Duration(milliseconds: 300),
         this.suggestionsBoxController,
         this.scrollController,
         this.loadingBuilder,
         this.noItemsFoundBuilder,
         this.errorBuilder,
         this.transitionBuilder,
-        this.animationStart: 0.25,
-        this.animationDuration: const Duration(milliseconds: 500),
-        this.getImmediateSuggestions: false,
-        this.suggestionsBoxVerticalOffset: 5.0,
-        this.direction: AxisDirection.down,
-        this.hideOnLoading: false,
-        this.hideOnEmpty: false,
-        this.hideOnError: false,
-        this.hideSuggestionsOnKeyboardHide: true,
-        this.keepSuggestionsOnLoading: true,
-        this.keepSuggestionsOnSuggestionSelected: false,
-        this.autoFlipDirection: false,
-        this.hideKeyboard: false,
-        this.minCharsForSuggestions: 0,
+        this.animationStart = 0.25,
+        this.animationDuration = const Duration(milliseconds: 500),
+        this.getImmediateSuggestions = false,
+        this.suggestionsBoxVerticalOffset = 5.0,
+        this.direction = AxisDirection.down,
+        this.hideOnLoading = false,
+        this.hideOnEmpty = false,
+        this.hideOnError = false,
+        this.hideSuggestionsOnKeyboardHide = true,
+        this.keepSuggestionsOnLoading = true,
+        this.keepSuggestionsOnSuggestionSelected = false,
+        this.autoFlipDirection = false,
+        this.hideKeyboard = false,
+        this.minCharsForSuggestions = 0,
         this.listActionButton,
         this.actionButtonBuilder,
         this.buttonActionCallback,
@@ -595,13 +599,13 @@ class _TypeAheadFieldQuickSearchState<T, R> extends State<TypeAheadFieldQuickSea
   @override
   void didChangeMetrics() {
     // Catch keyboard event and orientation change; resize suggestions list
-    this._suggestionsBox!.onChangeMetrics();
+    _suggestionsBox!.onChangeMetrics();
   }
 
   @override
   void dispose() {
-    this._suggestionsBox!.close();
-    this._suggestionsBox!.widgetMounted = false;
+    _suggestionsBox!.close();
+    _suggestionsBox!.widgetMounted = false;
     WidgetsBinding.instance.removeObserver(this);
     _keyboardVisibilitySubscription?.cancel();
     _effectiveFocusNode!.removeListener(_focusNodeListener);
@@ -618,37 +622,37 @@ class _TypeAheadFieldQuickSearchState<T, R> extends State<TypeAheadFieldQuickSea
     WidgetsBinding.instance.addObserver(this);
 
     if (widget.textFieldConfiguration.controller == null) {
-      this._textEditingController = TextEditingController();
+      _textEditingController = TextEditingController();
     }
 
     if (widget.textFieldConfiguration.focusNode == null) {
-      this._focusNode = FocusNode();
+      _focusNode = FocusNode();
     }
 
-    this._suggestionsBox = _SuggestionsBox(
+    _suggestionsBox = _SuggestionsBox(
         context,
         widget.direction,
         widget.autoFlipDirection,
         widget.hideSuggestionsBox);
-    widget.suggestionsBoxController?._suggestionsBox = this._suggestionsBox;
+    widget.suggestionsBoxController?._suggestionsBox = _suggestionsBox;
     widget.suggestionsBoxController?._effectiveFocusNode =
-        this._effectiveFocusNode;
+        _effectiveFocusNode;
 
-    this._focusNodeListener = () {
+    _focusNodeListener = () {
       if (_effectiveFocusNode!.hasFocus) {
-        this._suggestionsBox!.open();
+        _suggestionsBox!.open();
       } else {
         if (widget.hideSuggestionsOnKeyboardHide){
-          this._suggestionsBox!.close();
+          _suggestionsBox!.close();
         }
       }
       setState(() {});
     };
 
-    this._effectiveFocusNode!.addListener(_focusNodeListener);
+    _effectiveFocusNode!.addListener(_focusNodeListener);
 
     // hide suggestions box on keyboard closed
-    this._keyboardVisibilitySubscription =
+    _keyboardVisibilitySubscription =
         _keyboardVisibility?.listen((bool isVisible) {
           if (widget.hideSuggestionsOnKeyboardHide && !isVisible) {
             _effectiveFocusNode!.unfocus();
@@ -657,13 +661,13 @@ class _TypeAheadFieldQuickSearchState<T, R> extends State<TypeAheadFieldQuickSea
 
     WidgetsBinding.instance.addPostFrameCallback((duration) {
       if (mounted) {
-        this._initOverlayEntry();
+        _initOverlayEntry();
         // calculate initial suggestions list size
-        this._suggestionsBox!.resize();
+        _suggestionsBox!.resize();
 
         // in case we already missed the focus event
-        if (this._effectiveFocusNode!.hasFocus) {
-          this._suggestionsBox!.open();
+        if (_effectiveFocusNode!.hasFocus) {
+          _suggestionsBox!.open();
         }
         setState(() {});
       }
@@ -699,12 +703,12 @@ class _TypeAheadFieldQuickSearchState<T, R> extends State<TypeAheadFieldQuickSea
   }
 
   void _initOverlayEntry() {
-    this._suggestionsBox!._overlayEntry = OverlayEntry(builder: (context) {
+    _suggestionsBox!._overlayEntry = OverlayEntry(builder: (context) {
       final suggestionsList = _SuggestionsList<T, R>(
         suggestionsBox: _suggestionsBox,
         decoration: widget.suggestionsBoxDecoration,
         debounceDuration: widget.debounceDuration,
-        controller: this._effectiveController,
+        controller: _effectiveController,
         loadingBuilder: widget.loadingBuilder,
         scrollController: widget.scrollController,
         noItemsFoundBuilder: widget.noItemsFoundBuilder,
@@ -716,8 +720,8 @@ class _TypeAheadFieldQuickSearchState<T, R> extends State<TypeAheadFieldQuickSea
         getImmediateSuggestions: widget.getImmediateSuggestions,
         onSuggestionSelected: (T selection) {
           if (!widget.keepSuggestionsOnSuggestionSelected) {
-            this._effectiveFocusNode!.unfocus();
-            this._suggestionsBox!.close();
+            _effectiveFocusNode!.unfocus();
+            _suggestionsBox!.close();
           }
           widget.onSuggestionSelected(selection);
         },
@@ -737,8 +741,8 @@ class _TypeAheadFieldQuickSearchState<T, R> extends State<TypeAheadFieldQuickSea
         fetchRecentActionCallback: widget.fetchRecentActionCallback,
         onRecentSelected: (R selection) {
           if (!widget.keepSuggestionsOnSuggestionSelected) {
-            this._effectiveFocusNode!.unfocus();
-            this._suggestionsBox!.close();
+            _effectiveFocusNode!.unfocus();
+            _suggestionsBox!.close();
           }
           if (widget.onRecentSelected != null) {
             widget.onRecentSelected!(selection);
@@ -770,7 +774,7 @@ class _TypeAheadFieldQuickSearchState<T, R> extends State<TypeAheadFieldQuickSea
       return Positioned(
         width: w,
         child: CompositedTransformFollower(
-          link: this._layerLink,
+          link: _layerLink,
           showWhenUnlinked: false,
           offset: Offset(
               widget.suggestionsBoxDecoration.offsetX,
@@ -780,7 +784,7 @@ class _TypeAheadFieldQuickSearchState<T, R> extends State<TypeAheadFieldQuickSea
           child: _suggestionsBox!.direction == AxisDirection.down
               ? suggestionsList
               : FractionalTranslation(
-                  translation: Offset(0.0, -1.0), // visually flips list to go up
+                  translation: const Offset(0.0, -1.0), // visually flips list to go up
                   child: suggestionsList,
           ),
         ),
@@ -791,9 +795,9 @@ class _TypeAheadFieldQuickSearchState<T, R> extends State<TypeAheadFieldQuickSea
   @override
   Widget build(BuildContext context) {
     return CompositedTransformTarget(
-      link: this._layerLink,
+      link: _layerLink,
       child: Container(
-        decoration: this._suggestionsBox?.isOpened == true
+        decoration: _suggestionsBox?.isOpened == true
           ? const BoxDecoration(
               borderRadius: BorderRadius.only(
                   topRight: Radius.circular(16),
@@ -818,8 +822,8 @@ class _TypeAheadFieldQuickSearchState<T, R> extends State<TypeAheadFieldQuickSea
               widget.textFieldConfiguration.leftButton!,
             Expanded(
               child: TextField(
-                focusNode: this._effectiveFocusNode,
-                controller: this._effectiveController,
+                focusNode: _effectiveFocusNode,
+                controller: _effectiveController,
                 decoration: widget.textFieldConfiguration.decoration,
                 style: widget.textFieldConfiguration.style,
                 textAlign: widget.textFieldConfiguration.textAlign,
@@ -852,7 +856,7 @@ class _TypeAheadFieldQuickSearchState<T, R> extends State<TypeAheadFieldQuickSea
               ),
             ),
             if (widget.textFieldConfiguration.clearTextButton != null
-                && this._effectiveController?.text.isNotEmpty == true)
+                && _effectiveController?.text.isNotEmpty == true)
               widget.textFieldConfiguration.clearTextButton!,
             if (widget.textFieldConfiguration.rightButton != null)
               widget.textFieldConfiguration.rightButton!,
@@ -896,10 +900,10 @@ class _SuggestionsList<T, R> extends StatefulWidget {
   final EdgeInsets? listActionPadding;
   final bool hideSuggestionsBox;
 
-  _SuggestionsList({
+  const _SuggestionsList({
     required this.suggestionsBox,
     this.controller,
-    this.getImmediateSuggestions: false,
+    this.getImmediateSuggestions = false,
     this.onSuggestionSelected,
     this.suggestionsCallback,
     this.itemBuilder,
@@ -927,7 +931,7 @@ class _SuggestionsList<T, R> extends StatefulWidget {
     this.fetchRecentActionCallback,
     this.onRecentSelected,
     this.listActionPadding,
-    this.hideSuggestionsBox: false,
+    this.hideSuggestionsBox = false,
   });
 
   @override
@@ -948,14 +952,14 @@ class _SuggestionsListState<T, R> extends State<_SuggestionsList<T, R>>
       widget.scrollController ?? ScrollController();
 
   _SuggestionsListState() {
-    this._controllerListener = () async {
+    _controllerListener = () async {
       // If we came here because of a change in selected text, not because of
       // actual change in text
-      if (widget.controller!.text == this._lastTextValue) return;
+      if (widget.controller!.text == _lastTextValue) return;
 
-      this._lastTextValue = widget.controller!.text;
+      _lastTextValue = widget.controller!.text;
 
-      this._debounceTimer?.cancel();
+      _debounceTimer?.cancel();
       if (widget.controller!.text.length <= widget.minCharsForSuggestions!) {
         if (mounted) {
           Iterable<R>? recentItems;
@@ -963,7 +967,9 @@ class _SuggestionsListState<T, R> extends State<_SuggestionsList<T, R>>
             if (widget.fetchRecentActionCallback != null) {
               recentItems = await widget.fetchRecentActionCallback!(widget.controller!.text);
             }
-          } catch (e) {}
+          } catch (e) {
+            logError('_SuggestionsListState::_SuggestionsListState(): $e');
+          }
 
           setState(() {
             _isLoading = false;
@@ -974,17 +980,17 @@ class _SuggestionsListState<T, R> extends State<_SuggestionsList<T, R>>
         }
         return;
       } else {
-        this._debounceTimer = Timer(widget.debounceDuration!, () async {
-          if (this._debounceTimer!.isActive) return;
+        _debounceTimer = Timer(widget.debounceDuration!, () async {
+          if (_debounceTimer!.isActive) return;
           if (_isLoading!) {
             _isQueued = true;
             return;
           }
 
-          await this.invalidateSuggestions();
+          await invalidateSuggestions();
           while (_isQueued!) {
             _isQueued = false;
-            await this.invalidateSuggestions();
+            await invalidateSuggestions();
           }
         });
       }
@@ -994,7 +1000,7 @@ class _SuggestionsListState<T, R> extends State<_SuggestionsList<T, R>>
   @override
   void didUpdateWidget(_SuggestionsList<T, R> oldWidget) {
     super.didUpdateWidget(oldWidget);
-    widget.controller!.addListener(this._controllerListener);
+    widget.controller!.addListener(_controllerListener);
     _getSuggestions();
   }
 
@@ -1008,21 +1014,21 @@ class _SuggestionsListState<T, R> extends State<_SuggestionsList<T, R>>
   void initState() {
     super.initState();
 
-    this._animationController = AnimationController(
+    _animationController = AnimationController(
       vsync: this,
       duration: widget.animationDuration,
     );
 
-    this._suggestionsValid = widget.minCharsForSuggestions! > 0 ? true : false;
-    this._isLoading = false;
-    this._isQueued = false;
-    this._lastTextValue = widget.controller!.text;
+    _suggestionsValid = widget.minCharsForSuggestions! > 0 ? true : false;
+    _isLoading = false;
+    _isQueued = false;
+    _lastTextValue = widget.controller!.text;
 
     if (widget.getImmediateSuggestions) {
-      this._getSuggestions();
+      _getSuggestions();
     }
 
-    widget.controller!.addListener(this._controllerListener);
+    widget.controller!.addListener(_controllerListener);
   }
 
   Future<void> invalidateSuggestions() async {
@@ -1037,9 +1043,9 @@ class _SuggestionsListState<T, R> extends State<_SuggestionsList<T, R>>
 
     if (mounted) {
       setState(() {
-        this._animationController!.forward(from: 1.0);
+        _animationController!.forward(from: 1.0);
 
-        this._isLoading = true;
+        _isLoading = true;
       });
 
       Iterable<T>? suggestions;
@@ -1055,7 +1061,7 @@ class _SuggestionsListState<T, R> extends State<_SuggestionsList<T, R>>
         error = e;
       }
 
-      if (this.mounted) {
+      if (mounted) {
         // if it wasn't removed in the meantime
         setState(() {
           double? animationStart = widget.animationStart;
@@ -1063,11 +1069,11 @@ class _SuggestionsListState<T, R> extends State<_SuggestionsList<T, R>>
           if (error != null || suggestions?.isEmpty == true) {
             animationStart = 1.0;
           }
-          this._animationController!.forward(from: animationStart);
+          _animationController!.forward(from: animationStart);
 
-          this._isLoading = false;
-          this._suggestions = suggestions;
-          this._recentItems = recentItems;
+          _isLoading = false;
+          _suggestions = suggestions;
+          _recentItems = recentItems;
         });
       }
     }
@@ -1083,23 +1089,23 @@ class _SuggestionsListState<T, R> extends State<_SuggestionsList<T, R>>
   @override
   Widget build(BuildContext context) {
     if (widget.hideSuggestionsBox) {
-      return SizedBox.shrink();
+      return const SizedBox.shrink();
     }
 
     Widget child;
 
-    if (this._suggestions?.isNotEmpty == true && widget.controller?.text.isNotEmpty == true) {
+    if (_suggestions?.isNotEmpty == true && widget.controller?.text.isNotEmpty == true) {
       child = createSuggestionsWidget();
     } else {
       child = createRecentWidget();
     }
 
     final animationChild = widget.transitionBuilder != null
-        ? widget.transitionBuilder!(context, child, this._animationController)
+        ? widget.transitionBuilder!(context, child, _animationController)
         : SizeTransition(
             axisAlignment: -1.0,
             sizeFactor: CurvedAnimation(
-                parent: this._animationController!,
+                parent: _animationController!,
                 curve: Curves.fastOutSlowIn),
             child: child,
           );
@@ -1141,7 +1147,7 @@ class _SuggestionsListState<T, R> extends State<_SuggestionsList<T, R>>
   }
 
   Widget createSuggestionsWidget() {
-    final listItemSuggestionWidget = this._suggestions?.map((T suggestion) {
+    final listItemSuggestionWidget = _suggestions?.map((T suggestion) {
       if ( widget.itemBuilder != null) {
         return InkWell(
           child: widget.itemBuilder!(context, suggestion),
@@ -1150,16 +1156,16 @@ class _SuggestionsListState<T, R> extends State<_SuggestionsList<T, R>>
           },
         );
       } else {
-        return SizedBox.shrink();
+        return const SizedBox.shrink();
       }
     }).toList() ?? [];
 
     final loadingWidget = widget.loadingBuilder != null
         ? widget.loadingBuilder!(context)
-        : Align(
+        : const Align(
             alignment: Alignment.center,
             child: Padding(
-              padding: const EdgeInsets.symmetric(vertical: 8.0),
+              padding: EdgeInsets.symmetric(vertical: 8.0),
               child: CircularProgressIndicator(),
             ),
           );
@@ -1171,17 +1177,17 @@ class _SuggestionsListState<T, R> extends State<_SuggestionsList<T, R>>
               padding: const EdgeInsets.only(right: 8, bottom: kIsWeb ? 8 : 0),
               child: InkWell(
                 child: widget.actionButtonBuilder!(context, action),
-                borderRadius: BorderRadius.all(Radius.circular(10)),
+                borderRadius: const BorderRadius.all(Radius.circular(10)),
                 onTap: () {
                   if (widget.buttonActionCallback != null) {
                     widget.buttonActionCallback!(action);
-                    this.invalidateSuggestions();
+                    invalidateSuggestions();
                   }
                 },
               ),
             );
           } else {
-            return SizedBox.shrink();
+            return const SizedBox.shrink();
           }
         }).toList());
 
@@ -1197,14 +1203,14 @@ class _SuggestionsListState<T, R> extends State<_SuggestionsList<T, R>>
             padding: widget.listActionPadding ?? EdgeInsets.zero,
             child: listAction,
           ),
-        if (this._isLoading == true && widget.hideOnLoading == false && widget.keepSuggestionsOnLoading == false)
+        if (_isLoading == true && widget.hideOnLoading == false && widget.keepSuggestionsOnLoading == false)
           loadingWidget,
         if (widget.buttonShowAllResult != null && widget.controller?.text.isNotEmpty == true)
           widget.buttonShowAllResult!(context, widget.controller?.text),
         if (listItemSuggestionWidget.isNotEmpty)
           ... [
             ... listItemSuggestionWidget,
-            SizedBox(height: 16)
+            const SizedBox(height: 16)
           ],
       ],
     );
@@ -1220,7 +1226,7 @@ class _SuggestionsListState<T, R> extends State<_SuggestionsList<T, R>>
   }
 
   Widget createRecentWidget() {
-    final listItemRecent = this._recentItems?.map((R recent) {
+    final listItemRecent = _recentItems?.map((R recent) {
       if (widget.itemRecentBuilder != null) {
         return InkWell(
           child: widget.itemRecentBuilder!(context, recent),
@@ -1231,16 +1237,16 @@ class _SuggestionsListState<T, R> extends State<_SuggestionsList<T, R>>
           },
         );
       } else {
-        return SizedBox.shrink();
+        return const SizedBox.shrink();
       }
     }).toList() ?? [];
 
     final loadingWidget = widget.loadingBuilder != null
         ? widget.loadingBuilder!(context)
-        : Align(
+        : const Align(
             alignment: Alignment.center,
             child: Padding(
-              padding: const EdgeInsets.symmetric(vertical: 8.0),
+              padding: EdgeInsets.symmetric(vertical: 8.0),
               child: CircularProgressIndicator(),
             ),
           );
@@ -1249,20 +1255,20 @@ class _SuggestionsListState<T, R> extends State<_SuggestionsList<T, R>>
         children: widget.listActionButton!.map((dynamic action) {
           if (widget.actionButtonBuilder != null) {
             return Padding(
-              padding: EdgeInsets.only(right: 8, bottom: kIsWeb ? 8 : 0),
+              padding: const EdgeInsets.only(right: 8, bottom: kIsWeb ? 8 : 0),
               child: InkWell(
                 child: widget.actionButtonBuilder!(context, action),
-                borderRadius: BorderRadius.all(Radius.circular(10)),
+                borderRadius: const BorderRadius.all(Radius.circular(10)),
                 onTap: () {
                   if (widget.buttonActionCallback != null) {
                     widget.buttonActionCallback!(action);
-                    this.invalidateSuggestions();
+                    invalidateSuggestions();
                   }
                 },
               ),
             );
           } else {
-            return SizedBox.shrink();
+            return const SizedBox.shrink();
           }
         }).toList());
 
@@ -1278,7 +1284,7 @@ class _SuggestionsListState<T, R> extends State<_SuggestionsList<T, R>>
             padding: widget.listActionPadding ?? EdgeInsets.zero,
             child: listAction,
           ),
-        if (this._isLoading == true && widget.hideOnLoading == false && widget.keepSuggestionsOnLoading == false)
+        if (_isLoading == true && widget.hideOnLoading == false && widget.keepSuggestionsOnLoading == false)
           loadingWidget,
         if (widget.buttonShowAllResult != null && widget.controller?.text.isNotEmpty == true)
           widget.buttonShowAllResult!(context, widget.controller?.text),
@@ -1287,7 +1293,7 @@ class _SuggestionsListState<T, R> extends State<_SuggestionsList<T, R>>
         if (listItemRecent.isNotEmpty)
           ... [
             ... listItemRecent,
-            SizedBox(height: 16)
+            const SizedBox(height: 16)
           ],
       ],
     );
@@ -1348,15 +1354,15 @@ class QuickSearchSuggestionsBoxDecoration {
 
   /// Creates a QuickSearchSuggestionsBoxDecoration
   const QuickSearchSuggestionsBoxDecoration(
-      {this.elevation: 4.0,
+      {this.elevation = 4.0,
         this.color,
         this.shape,
-        this.hasScrollbar: true,
+        this.hasScrollbar = true,
         this.borderRadius,
-        this.shadowColor: const Color(0xFF000000),
+        this.shadowColor = const Color(0xFF000000),
         this.constraints,
-        this.clipBehavior: Clip.none,
-        this.offsetX: 0.0});
+        this.clipBehavior = Clip.none,
+        this.offsetX = 0.0});
 }
 
 /// Supply an instance of this class to the [TypeAhead.textFieldConfiguration]
@@ -1533,36 +1539,36 @@ class QuickSearchTextFieldConfiguration {
 
   /// Creates a QuickSearchTextFieldConfiguration
   const QuickSearchTextFieldConfiguration({
-    this.decoration: const InputDecoration(),
+    this.decoration = const InputDecoration(),
     this.style,
     this.controller,
     this.onChanged,
     this.onSubmitted,
-    this.obscureText: false,
+    this.obscureText = false,
     this.maxLengthEnforcement,
     this.maxLength,
-    this.maxLines: 1,
+    this.maxLines = 1,
     this.minLines,
     this.textAlignVertical,
-    this.autocorrect: true,
+    this.autocorrect = true,
     this.inputFormatters,
-    this.autofocus: false,
-    this.keyboardType: TextInputType.text,
-    this.enabled: true,
-    this.enableSuggestions: true,
-    this.textAlign: TextAlign.start,
+    this.autofocus = false,
+    this.keyboardType = TextInputType.text,
+    this.enabled = true,
+    this.enableSuggestions = true,
+    this.textAlign = TextAlign.start,
     this.focusNode,
     this.cursorColor,
     this.cursorRadius,
     this.textInputAction,
-    this.textCapitalization: TextCapitalization.none,
-    this.cursorWidth: 2.0,
+    this.textCapitalization = TextCapitalization.none,
+    this.cursorWidth = 2.0,
     this.keyboardAppearance,
     this.onEditingComplete,
     this.onTap,
     this.textDirection,
-    this.scrollPadding: const EdgeInsets.all(20.0),
-    this.enableInteractiveSelection: true,
+    this.scrollPadding = const EdgeInsets.all(20.0),
+    this.enableInteractiveSelection = true,
     this.leftButton,
     this.rightButton,
     this.clearTextButton,
@@ -1670,26 +1676,26 @@ class _SuggestionsBox {
       ) : desiredDirection = direction;
 
   void open() {
-    if (this.hideSuggestionBox) return;
-    if (this.isOpened) return;
-    assert(this._overlayEntry != null);
+    if (hideSuggestionBox) return;
+    if (isOpened) return;
+    assert(_overlayEntry != null);
     resize();
-    Overlay.of(context)!.insert(this._overlayEntry!);
-    this.isOpened = true;
+    Overlay.of(context)!.insert(_overlayEntry!);
+    isOpened = true;
   }
 
   void close() {
-    if (!this.isOpened) return;
-    assert(this._overlayEntry != null);
-    this._overlayEntry!.remove();
-    this.isOpened = false;
+    if (!isOpened) return;
+    assert(_overlayEntry != null);
+    _overlayEntry!.remove();
+    isOpened = false;
   }
 
   void toggle() {
-    if (this.isOpened) {
-      this.close();
+    if (isOpened) {
+      close();
     } else {
-      this.open();
+      open();
     }
   }
 
diff --git a/core/lib/presentation/views/search/search_bar_view.dart b/core/lib/presentation/views/search/search_bar_view.dart
index 54e5e7b24..bea4b30dd 100644
--- a/core/lib/presentation/views/search/search_bar_view.dart
+++ b/core/lib/presentation/views/search/search_bar_view.dart
@@ -18,7 +18,7 @@ class SearchBarView extends StatelessWidget {
   final Widget? rightButton;
   final double? radius;
 
-  const SearchBarView(this._imagePaths, {
+   const SearchBarView(this._imagePaths, {Key? key,
     this.heightSearchBar,
     this.padding,
     this.margin,
@@ -27,11 +27,12 @@ class SearchBarView extends StatelessWidget {
     this.rightButton,
     this.onOpenSearchViewAction,
     this.radius,
-  });
+  }) : super(key: key);
 
+  @override
   Widget build(BuildContext context) {
     return Container(
-        key: Key('search_bar_widget'),
+        key: const Key('search_bar_widget'),
         alignment: Alignment.center,
         height: heightSearchBar ?? 40,
         width: maxSizeWidth ?? double.infinity,
@@ -46,7 +47,7 @@ class SearchBarView extends StatelessWidget {
           child: Row(
             mainAxisAlignment: MainAxisAlignment.center,
             children: [
-              SizedBox(width: 8),
+              const SizedBox(width: 8),
               buildIconWeb(
                   splashRadius: 15,
                   minSize: 40,
@@ -63,7 +64,7 @@ class SearchBarView extends StatelessWidget {
                     maxLines: 1,
                     overflow: CommonTextStyle.defaultTextOverFlow,
                     softWrap: CommonTextStyle.defaultSoftWrap,
-                    style: TextStyle(
+                    style: const TextStyle(
                         fontSize: kIsWeb ? 15 : 17,
                         color: AppColor.colorHintSearchBar)),
               ),
diff --git a/core/lib/presentation/views/tab_bar/custom_tab_indicator.dart b/core/lib/presentation/views/tab_bar/custom_tab_indicator.dart
index 1486c0614..54ebb7479 100644
--- a/core/lib/presentation/views/tab_bar/custom_tab_indicator.dart
+++ b/core/lib/presentation/views/tab_bar/custom_tab_indicator.dart
@@ -19,7 +19,7 @@ class CustomIndicator extends Decoration {
 
   @override
   _CustomPainter createBoxPainter([VoidCallback? onChanged]) {
-    return new _CustomPainter(this, onChanged);
+    return _CustomPainter(this, onChanged);
   }
 }
 
@@ -53,8 +53,8 @@ class _CustomPainter extends BoxPainter {
       paint.style = PaintingStyle.fill;
       canvas.drawRRect(
         RRect.fromRectAndCorners(rect,
-          topRight: Radius.circular(8),
-          topLeft: Radius.circular(8)),
+          topRight: const Radius.circular(8),
+          topLeft: const Radius.circular(8)),
         paint);
     }
   }
diff --git a/core/lib/presentation/views/text/slogan_builder.dart b/core/lib/presentation/views/text/slogan_builder.dart
index 5942bb902..c2ca25097 100644
--- a/core/lib/presentation/views/text/slogan_builder.dart
+++ b/core/lib/presentation/views/text/slogan_builder.dart
@@ -66,7 +66,7 @@ class SloganBuilder {
         child: Column(children: [
           _logoApp(),
           Padding(
-            padding: _padding ?? EdgeInsets.only(top: 16, left: 16, right: 16),
+            padding: _padding ?? const EdgeInsets.only(top: 16, left: 16, right: 16),
             child: Text(_text ?? '', key: _key, style: _textStyle, textAlign: _textAlign),
           ),
         ]),
@@ -77,7 +77,7 @@ class SloganBuilder {
         child: Row(children: [
           _logoApp(),
           Padding(
-            padding: _padding ?? EdgeInsets.symmetric(horizontal: 10),
+            padding: _padding ?? const EdgeInsets.symmetric(horizontal: 10),
             child: Text(_text ?? '', key: _key, style: _textStyle, textAlign: _textAlign),
           ),
         ]),
@@ -96,6 +96,6 @@ class SloganBuilder {
           height: _sizeLogo ?? 150,
           alignment: Alignment.center);
     }
-    return SizedBox.shrink();
+    return const SizedBox.shrink();
   }
 }
diff --git a/core/lib/presentation/views/text/text_builder.dart b/core/lib/presentation/views/text/text_builder.dart
index 63a42a510..88e4b6faf 100644
--- a/core/lib/presentation/views/text/text_builder.dart
+++ b/core/lib/presentation/views/text/text_builder.dart
@@ -28,13 +28,13 @@ class TextBuilder {
   }
 
   Text build() {
-    return Text(_text ?? '', key: _key ?? Key('TextBuilder'), style: _textStyle ?? CommonTextStyle.textStyleNormal, textAlign: _textAlign ?? TextAlign.center);
+    return Text(_text ?? '', key: _key ?? const Key('TextBuilder'), style: _textStyle ?? CommonTextStyle.textStyleNormal, textAlign: _textAlign ?? TextAlign.center);
   }
 }
 
 class CenterTextBuilder extends TextBuilder {
   @override
   Text build() {
-    return Text(_text ?? '', key: _key ?? Key('TextBuilder'), style: _textStyle, textAlign: TextAlign.center);
+    return Text(_text ?? '', key: _key ?? const Key('TextBuilder'), style: _textStyle, textAlign: TextAlign.center);
   }
 }
\ No newline at end of file
diff --git a/core/lib/presentation/views/text/text_field_builder.dart b/core/lib/presentation/views/text/text_field_builder.dart
index ff2ba3c23..82a9c98fd 100644
--- a/core/lib/presentation/views/text/text_field_builder.dart
+++ b/core/lib/presentation/views/text/text_field_builder.dart
@@ -79,7 +79,7 @@ class TextFieldBuilder {
 
   TextField build() {
     return TextField(
-      key: _key ?? Key('TextFieldBuilder'),
+      key: _key ?? const Key('TextFieldBuilder'),
       onChanged: _onTextChange,
       cursorColor: _cursorColor ?? AppColor.primaryColor,
       controller: _textController,
@@ -89,7 +89,7 @@ class TextFieldBuilder {
       maxLines: _maxLines,
       minLines: _minLines,
       keyboardAppearance: Brightness.light,
-      style: _textStyle ?? TextStyle(color: AppColor.textFieldTextColor),
+      style: _textStyle ?? const TextStyle(color: AppColor.textFieldTextColor),
       obscureText: _obscureText ?? false,
       keyboardType: _keyboardType,
       onSubmitted: _onTextSubmitted,
diff --git a/core/lib/utils/fps_manager.dart b/core/lib/utils/fps_manager.dart
index cdd2229f1..36e1cb420 100644
--- a/core/lib/utils/fps_manager.dart
+++ b/core/lib/utils/fps_manager.dart
@@ -17,7 +17,7 @@ class FpsManager {
 
   /// Threshold time consuming per frame
   /// 1000/60hz ≈ 16.6ms  1000/120hz ≈ 8.3ms
-  Duration _thresholdPerFrame = Duration(microseconds: Duration.microsecondsPerSecond ~/ 60);
+  Duration _thresholdPerFrame = const Duration(microseconds: Duration.microsecondsPerSecond ~/ 60);
 
   /// Refresh rate, default 60
   double _refreshRate = 60;
@@ -31,7 +31,7 @@ class FpsManager {
   }
 
   bool _started = false;
-  List<FpsCallback> _fpsCallbacks = [];
+  final List<FpsCallback> _fpsCallbacks = [];
 
   /// Temporarily save 120 frames
   static const int _queue_capacity = 120;
@@ -102,9 +102,9 @@ class FpsManager {
       int droppedCount = totalCount - drawFramesCount;
       double fps = drawFramesCount / totalCount * _refreshRate;
       FpsInfo fpsInfo = FpsInfo(fps, totalCount, droppedCount, drawFramesCount);
-      _fpsCallbacks.forEach((callBack) {
+      for (var callBack in _fpsCallbacks) {
         callBack(fpsInfo);
-      });
+      }
     }
   }
 }
diff --git a/core/pubspec.lock b/core/pubspec.lock
index 974cde380..b6bbd30cb 100644
--- a/core/pubspec.lock
+++ b/core/pubspec.lock
@@ -195,6 +195,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.0"
+  flutter_lints:
+    dependency: "direct dev"
+    description:
+      name: flutter_lints
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.4"
   flutter_svg:
     dependency: "direct main"
     description:
@@ -254,6 +261,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.6.4"
+  lints:
+    dependency: transitive
+    description:
+      name: lints
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
   matcher:
     dependency: transitive
     description:
diff --git a/core/pubspec.yaml b/core/pubspec.yaml
index a4a9975ed..6a5bc4b9f 100644
--- a/core/pubspec.yaml
+++ b/core/pubspec.yaml
@@ -83,6 +83,7 @@ dev_dependencies:
   flutter_test:
     sdk: flutter
 
+  flutter_lints: 1.0.4
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec
 
diff --git a/forward/pubspec.lock b/forward/pubspec.lock
index ea090ecff..03d050102 100644
--- a/forward/pubspec.lock
+++ b/forward/pubspec.lock
@@ -278,7 +278,7 @@ packages:
       name: js
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.6.4"
+    version: "0.6.5"
   json_annotation:
     dependency: "direct main"
     description:
diff --git a/forward/pubspec.yaml b/forward/pubspec.yaml
index 05107c8e3..179e12583 100644
--- a/forward/pubspec.yaml
+++ b/forward/pubspec.yaml
@@ -25,7 +25,8 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  flutter_lints: ^1.0.0
+
+  flutter_lints: 1.0.4
 
   build_runner: 2.1.11
 
diff --git a/model/analysis_options.yaml b/model/analysis_options.yaml
new file mode 100644
index 000000000..61b6c4de1
--- /dev/null
+++ b/model/analysis_options.yaml
@@ -0,0 +1,29 @@
+# This file configures the analyzer, which statically analyzes Dart code to
+# check for errors, warnings, and lints.
+#
+# The issues identified by the analyzer are surfaced in the UI of Dart-enabled
+# IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be
+# invoked from the command line by running `flutter analyze`.
+
+# The following line activates a set of recommended lints for Flutter apps,
+# packages, and plugins designed to encourage good coding practices.
+include: package:flutter_lints/flutter.yaml
+
+linter:
+  # The lint rules applied to this project can be customized in the
+  # section below to disable rules from the `package:flutter_lints/flutter.yaml`
+  # included above or to enable additional rules. A list of all available lints
+  # and their documentation is published at
+  # https://dart-lang.github.io/linter/lints/index.html.
+  #
+  # Instead of disabling a lint rule for the entire project in the
+  # section below, it can also be suppressed for a single line of code
+  # or a specific dart file by using the `// ignore: name_of_lint` and
+  # `// ignore_for_file: name_of_lint` syntax on the line or in the file
+  # producing the lint.
+  rules:
+    # avoid_print: false  # Uncomment to disable the `avoid_print` rule
+    # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
+
+# Additional information about this file can be found at
+# https://dart.dev/guides/language/analysis-options
diff --git a/model/pubspec.lock b/model/pubspec.lock
index db02f4cb2..e21de1c6f 100644
--- a/model/pubspec.lock
+++ b/model/pubspec.lock
@@ -314,6 +314,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.0"
+  flutter_lints:
+    dependency: "direct dev"
+    description:
+      name: flutter_lints
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.4"
   flutter_svg:
     dependency: transitive
     description:
@@ -438,6 +445,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "6.2.0"
+  lints:
+    dependency: transitive
+    description:
+      name: lints
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
   logging:
     dependency: transitive
     description:
diff --git a/model/pubspec.yaml b/model/pubspec.yaml
index d05875f6f..0beb0c729 100644
--- a/model/pubspec.yaml
+++ b/model/pubspec.yaml
@@ -64,6 +64,8 @@ dev_dependencies:
   flutter_test:
     sdk: flutter
 
+  flutter_lints: 1.0.4
+
   build_runner: 2.1.11
 
   json_serializable: 6.2.0
diff --git a/rule_filter/pubspec.lock b/rule_filter/pubspec.lock
index ea090ecff..03d050102 100644
--- a/rule_filter/pubspec.lock
+++ b/rule_filter/pubspec.lock
@@ -278,7 +278,7 @@ packages:
       name: js
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.6.4"
+    version: "0.6.5"
   json_annotation:
     dependency: "direct main"
     description:
diff --git a/rule_filter/pubspec.yaml b/rule_filter/pubspec.yaml
index 0e5f7504b..bdaff3e55 100644
--- a/rule_filter/pubspec.yaml
+++ b/rule_filter/pubspec.yaml
@@ -25,7 +25,8 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  flutter_lints: ^1.0.0
+
+  flutter_lints: 1.0.4
 
   build_runner: 2.1.11