lint

packages/stream_chat_flutter/lib/src/attachment/attachment_widget.dart

@@ -67,6 +67,7 @@ class AttachmentError extends StatelessWidget {
     this.size,
   }) : super(key: key);
 
+  /// Size of error
   final Size? size;
 
   @override

packages/stream_chat_flutter/lib/src/attachment/file_attachment.dart

@@ -6,10 +6,12 @@ import 'package:stream_chat_flutter/src/stream_svg_icon.dart';
 import 'package:stream_chat_flutter/src/utils.dart';
 import 'package:stream_chat_flutter/src/video_thumbnail_image.dart';
 import 'package:stream_chat_flutter_core/stream_chat_flutter_core.dart';
+import 'package:stream_chat_flutter/src/upload_progress_indicator.dart';
 
-import '../upload_progress_indicator.dart';
+// ignore: always_use_package_imports
 import 'attachment_widget.dart';
 
+/// Widget for displaying file attachments
 class FileAttachment extends AttachmentWidget {
   /// Constructor for creating a widget when attachment is of type 'file'
   const FileAttachment({

packages/stream_chat_flutter/lib/src/attachment_actions_modal.dart

@@ -5,9 +5,8 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:image_gallery_saver/image_gallery_saver.dart';
 import 'package:path_provider/path_provider.dart';
-
+import 'package:stream_chat_flutter/src/extension.dart';
-import '../stream_chat_flutter.dart';
+import 'package:stream_chat_flutter/stream_chat_flutter.dart';
-import 'extension.dart';
 
 /// Callback to download an attachment asset
 typedef AttachmentDownloader = Future<String> Function(
@@ -17,6 +16,16 @@ typedef AttachmentDownloader = Future<String> Function(
 
 /// Widget that shows the options in the gallery view
 class AttachmentActionsModal extends StatelessWidget {
+  /// Returns a new [AttachmentActionsModal]
+  const AttachmentActionsModal({
+    Key? key,
+    required this.currentIndex,
+    required this.message,
+    this.onShowMessage,
+    this.imageDownloader,
+    this.fileDownloader,
+  }) : super(key: key);
+
   /// The message containing the attachments
   final Message message;
 
@@ -32,15 +41,6 @@ class AttachmentActionsModal extends StatelessWidget {
   /// Callback to provide download files
   final AttachmentDownloader? fileDownloader;
 
-  /// Returns a new [AttachmentActionsModal]
-  const AttachmentActionsModal({
-    required this.currentIndex,
-    required this.message,
-    this.onShowMessage,
-    this.imageDownloader,
-    this.fileDownloader,
-  });
-
   @override
   Widget build(BuildContext context) => GestureDetector(
         behavior: HitTestBehavior.translucent,
@@ -62,7 +62,7 @@ class AttachmentActionsModal extends StatelessWidget {
             decoration: BoxDecoration(
               borderRadius: BorderRadius.circular(16),
             ),
-            child: Container(
+            child: SizedBox(
               child: Column(
                 crossAxisAlignment: CrossAxisAlignment.end,
                 mainAxisSize: MainAxisSize.min,
@@ -89,6 +89,7 @@ class AttachmentActionsModal extends StatelessWidget {
                   ),
                   _buildButton(
                     context,
+                    // ignore: lines_longer_than_80_chars
                     'Save ${message.attachments[currentIndex].type == 'video' ? 'Video' : 'Image'}',
                     StreamSvgIcon.iconSave(
                       size: 24,
@@ -203,7 +204,7 @@ class AttachmentActionsModal extends StatelessWidget {
             child: Row(
               children: [
                 icon,
-                SizedBox(width: 16),
+                const SizedBox(width: 16),
                 Text(
                   title,
                   style: StreamChatTheme.of(context)
@@ -253,7 +254,7 @@ class AttachmentActionsModal extends StatelessWidget {
                       )
                     : progress.toProgressIndicatorValue == 1.0
                         ? SizedBox(
-                            key: Key('completedIcon'),
+                            key: const Key('completedIcon'),
                             height: 160,
                             width: 160,
                             child: StreamSvgIcon.check(
@@ -314,14 +315,13 @@ class AttachmentActionsModal extends StatelessWidget {
 }
 
 class _DownloadProgress {
-  final int total;
-  final int received;
-
   const _DownloadProgress(this.total, this.received);
 
-  factory _DownloadProgress.initial() {
+  factory _DownloadProgress.initial() =>
-    return _DownloadProgress(double.maxFinite.toInt(), 0);
+      _DownloadProgress(double.maxFinite.toInt(), 0);
-  }
+
+  final int total;
+  final int received;
 
   double get toProgressIndicatorValue => received / total;
 

packages/stream_chat_flutter/lib/src/channel_image.dart

@@ -196,7 +196,7 @@ class ChannelImage extends StatelessWidget {
         );
         if (selected) {
           child = ClipRRect(
-            key: Key('selectedImage'),
+            key: const Key('selectedImage'),
             borderRadius: (borderRadius ??
                     StreamChatTheme.of(context)
                         .ownMessageTheme

packages/stream_chat_flutter/lib/src/channel_info.dart

@@ -3,9 +3,9 @@ import 'package:flutter/material.dart';
 import 'package:jiffy/jiffy.dart';
 import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 
-import 'connection_status_builder.dart';
+/// Widget which shows channel info
-
 class ChannelInfo extends StatelessWidget {
+  /// Constructor which creates a [ChannelInfo] widget
   const ChannelInfo({
     Key? key,
     required this.channel,

packages/stream_chat_flutter/lib/src/mention_tile.dart

@@ -1,6 +1,6 @@
 import 'package:flutter/material.dart';
 
-import '../stream_chat_flutter.dart';
+import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 
 /// This widget is used for showing user tiles for mentions
 /// Use [title], [subtitle], [leading], [trailing] for

packages/stream_chat_flutter/lib/src/message_text.dart

@@ -4,8 +4,6 @@ import 'package:flutter_markdown/flutter_markdown.dart';
 import 'package:stream_chat_flutter_core/stream_chat_flutter_core.dart';
 import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 
-import '../stream_chat_flutter.dart';
-
 /// Text widget to display in message
 class MessageText extends StatelessWidget {
   /// Constructor for creating a [MessageText] widget

packages/stream_chat_flutter/lib/src/user_list_view.dart

@@ -2,8 +2,6 @@ import 'package:flutter/material.dart';
 import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 import 'package:stream_chat_flutter_core/stream_chat_flutter_core.dart';
 
-import 'user_item.dart';
-
 /// Callback called when tapping on a user
 typedef UserTapCallback = void Function(User, Widget?);
 

packages/stream_chat_flutter/lib/src/utils.dart

@@ -3,10 +3,9 @@ import 'dart:math';
 import 'package:flutter/material.dart';
 import 'package:stream_chat_flutter_core/stream_chat_flutter_core.dart';
 import 'package:url_launcher/url_launcher.dart';
+import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 
-import '../stream_chat_flutter.dart';
+/// Launch URL
-import 'stream_svg_icon.dart';
-
 Future<void> launchURL(BuildContext context, String? url) async {
   if (url != null && await canLaunch(url)) {
     await launch(url);
@@ -20,6 +19,7 @@ Future<void> launchURL(BuildContext context, String? url) async {
   }
 }
 
+/// Shows confirmation dialog
 Future<bool?> showConfirmationDialog(
   BuildContext context, {
   required String title,

packages/stream_chat_flutter/lib/src/video_service.dart

@@ -60,6 +60,6 @@ class IVideoService {
       );
 }
 
-// ignore: non_constant_identifier_names
 /// Get instance of [IVideoService]
+// ignore: non_constant_identifier_names
 IVideoService get VideoService => IVideoService.instance;

packages/stream_chat_flutter/pubspec.yaml

@@ -12,10 +12,10 @@ dependencies:
   flutter:
     sdk: flutter
   stream_chat_flutter_core: ^2.0.0-nullsafety.0
-  photo_view: ^0.11.1
   rxdart: ^0.26.0
   scrollable_positioned_list: ^0.2.0-nullsafety.0
   jiffy: ^4.1.0
+  photo_view: ^0.11.1
   flutter_svg: ^0.22.0
   flutter_portal: ^0.4.0
   cached_network_image: ^3.0.0
@@ -57,6 +57,6 @@ dev_dependencies:
   flutter_test:
     sdk: flutter
   mocktail: ^0.1.2
-  pedantic: ^1.11.0
   golden_toolkit: ^0.9.0
-  
+  pedantic: ^1.11.0
+

packages/stream_chat_flutter/test/src/attachment_actions_modal_test.dart

@@ -23,7 +23,8 @@ class MockAttachmentDownloader extends Mock {
 
 void main() {
   setUpAll(() {
-    registerFallbackValue(MaterialPageRoute(builder: (context) => SizedBox()));
+    registerFallbackValue(
+        MaterialPageRoute(builder: (context) => const SizedBox()));
     registerFallbackValue(Message());
   });
 
@@ -461,9 +462,9 @@ void main() {
         MaterialApp(
           builder: (context, child) => StreamChat(
             client: client,
-            child: child!,
+            child: child,
           ),
-          home: Container(
+          home: SizedBox(
             child: AttachmentActionsModal(
               fileDownloader: fileDownloader,
               message: Message(

packages/stream_chat_flutter/test/src/back_button_test.dart

@@ -19,7 +19,7 @@ void main() {
                   child: Center(
                     child: StreamChatTheme(
                       data: StreamChatThemeData.fromTheme(theme),
-                      child: StreamBackButton(),
+                      child: const StreamBackButton(),
                     ),
                   ),
                 ),

packages/stream_chat_flutter/test/src/reaction_bubble_test.dart

@@ -26,7 +26,7 @@ void main() {
             ),
           ),
         ),
-        surfaceSize: Size(100, 100),
+        surfaceSize: const Size(100, 100),
       );
       await screenMatchesGolden(tester, 'reaction_bubble_0');
     },
@@ -47,7 +47,7 @@ void main() {
         StreamChat(
           client: client,
           streamChatThemeData: theme,
-          child: Container(
+          child: SizedBox(
             child: ReactionBubble(
               reactions: [
                 Reaction(
@@ -61,7 +61,7 @@ void main() {
             ),
           ),
         ),
-        surfaceSize: Size(100, 100),
+        surfaceSize: const Size(100, 100),
       );
       await screenMatchesGolden(tester, 'reaction_bubble_like_light');
     },
@@ -97,7 +97,7 @@ void main() {
             ),
           ),
         ),
-        surfaceSize: Size(100, 100),
+        surfaceSize: const Size(100, 100),
       );
       await screenMatchesGolden(tester, 'reaction_bubble_like_dark');
     },
@@ -141,7 +141,7 @@ void main() {
             ),
           ),
         ),
-        surfaceSize: Size(140, 140),
+        surfaceSize: const Size(140, 140),
       );
       await screenMatchesGolden(tester, 'reaction_bubble_3_light');
     },
@@ -185,7 +185,7 @@ void main() {
             ),
           ),
         ),
-        surfaceSize: Size(140, 140),
+        surfaceSize: const Size(140, 140),
       );
       await screenMatchesGolden(tester, 'reaction_bubble_3_dark');
     },
@@ -205,7 +205,7 @@ void main() {
         StreamChat(
           client: client,
           streamChatThemeData: StreamChatThemeData.fromTheme(themeData),
-          child: Container(
+          child: SizedBox(
             child: ReactionBubble(
               reactions: [
                 Reaction(
@@ -230,7 +230,7 @@ void main() {
             ),
           ),
         ),
-        surfaceSize: Size(200, 200),
+        surfaceSize: const Size(200, 200),
       );
 
       await screenMatchesGolden(tester, 'reaction_bubble_2');

packages/stream_chat_flutter/test/src/simple_frame.dart

@@ -1,19 +1,17 @@
 import 'package:flutter/material.dart';
 
 class SimpleFrame extends StatelessWidget {
-  final Widget child;
-
   const SimpleFrame({Key? key, required this.child}) : super(key: key);
 
+  final Widget child;
+
   @override
-  Widget build(BuildContext context) {
+  Widget build(BuildContext context) => Container(
-    return Container(
+        padding: const EdgeInsets.all(4),
-      padding: const EdgeInsets.all(4),
+        decoration: BoxDecoration(
-      decoration: BoxDecoration(
+          color: const Color(0xFFFFFFFF),
-        color: const Color(0xFFFFFFFF),
+          border: Border.all(color: const Color(0xFF9E9E9E)),
-        border: Border.all(color: const Color(0xFF9E9E9E)),
+        ),
-      ),
+        child: child,
-      child: child,
+      );
-    );
-  }
 }

packages/stream_chat_flutter/test/src/system_message_test.dart

@@ -102,7 +102,7 @@ void main() {
             ),
           ),
         ),
-        surfaceSize: Size.square(200),
+        surfaceSize: const Size.square(200),
       );
 
       await screenMatchesGolden(tester, 'system_message_light');
@@ -153,7 +153,7 @@ void main() {
             ),
           ),
         ),
-        surfaceSize: Size.square(200),
+        surfaceSize: const Size.square(200),
       );
 
       await screenMatchesGolden(tester, 'system_message_dark');

packages/stream_chat_flutter/test/src/thread_header_test.dart

@@ -117,13 +117,13 @@ void main() {
             child: Scaffold(
               body: ThreadHeader(
                 parent: Message(),
-                subtitle: Text('subtitle'),
+                subtitle: const Text('subtitle'),
-                leading: Text('leading'),
+                leading: const Text('leading'),
-                title: Text('title'),
+                title: const Text('title'),
                 onTitleTap: () {
                   tapped = true;
                 },
-                actions: [
+                actions: const [
                   Text('action'),
                 ],
               ),

packages/stream_chat_flutter/test/src/typing_indicator_test.dart

@@ -67,14 +67,14 @@ void main() {
           client: client,
           child: StreamChannel(
             channel: channel,
-            child: Scaffold(
+            child: const Scaffold(
               body: TypingIndicator(),
             ),
           ),
         ),
       ));
 
-      expect(find.byKey(Key('typings')), findsOneWidget);
+      expect(find.byKey(const Key('typings')), findsOneWidget);
     },
   );
 }

packages/stream_chat_flutter/test/src/unread_indicator_test.dart

@@ -36,7 +36,7 @@ void main() {
           client: client,
           child: StreamChannel(
             channel: channel,
-            child: Scaffold(
+            child: const Scaffold(
               body: UnreadIndicator(),
             ),
           ),