Merge pull request #1141 from GetStream/chore/flutter-3

chore(repo): upgrade to flutter 3.0

.github/workflows/scripts/remove-from-coverage.sh

@@ -3,4 +3,4 @@
 # Fast fail the script on failures.
 set -e
 
-pub global run remove_from_coverage:remove_from_coverage -f coverage/lcov.info -r '\.g\.dart$' -r '\.freezed\.dart$'
+flutter pub global run remove_from_coverage:remove_from_coverage -f coverage/lcov.info -r '\.g\.dart$' -r '\.freezed\.dart$'

.github/workflows/stream_flutter_workflow.yml

@@ -94,7 +94,7 @@ jobs:
       - name: "Install Tools"
         run: |
           flutter pub global activate melos ${{ env.melos_version }}
-          pub global activate remove_from_coverage
+          flutter pub global activate remove_from_coverage
       - name: "Bootstrap Workspace"
         run: melos bootstrap
       - name: "Flutter Test"

analysis_options.yaml

@@ -147,6 +147,22 @@ linter:
     - tighten_type_of_initializing_formals
     - null_check_on_nullable_type_parameter
 
+    - conditional_uri_does_not_exist
+    - secure_pubspec_urls
+    - sized_box_shrink_expand
+    - unnecessary_constructor_name
+    - unnecessary_late
+    - use_colored_box
+    - use_decorated_box
+    - use_enums
+    - use_super_parameters
+    - avoid_escaping_inner_quotes
+    - unnecessary_overrides
+    - prefer_null_aware_method_calls
+    - prefer_null_aware_operators
+    - use_named_constants
+    - use_raw_strings
+
 # https://dartcodemetrics.dev/docs/getting-started/introduction
 dart_code_metrics:
   rules:

melos.yaml

@@ -1,4 +1,5 @@
 name: stream_chat_flutter
+repository: https://github.com/GetStream/stream-chat-flutter
 
 versioning:
   mode: independent
@@ -7,6 +8,10 @@ packages:
   - packages/**
 
 scripts:
+  postclean:
+    run: melos run clean:flutter --no-select
+    description: Runs "flutter clean" in all Flutter packages
+
   lint:all:
     run: melos run analyze && melos run format
     description: Run all static analysis checks
@@ -74,6 +79,12 @@ scripts:
       flutter: true
       dir-exists: test
 
+  clean:flutter:
+    run: melos exec -c 4 --fail-fast -- "flutter clean"
+    description: Run Flutter clean for a specific package in this project.
+    select-package:
+      flutter: true
+
   coverage:ignore-file:
     run: |
       melos exec -c 5 --fail-fast -- "\$MELOS_ROOT_PATH/.github/workflows/scripts/remove-from-coverage.sh"
@@ -91,5 +102,5 @@ dev_dependencies:
   dart_code_metrics: ^4.4.0
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=2.17.0 <3.0.0'
-  flutter: '>=1.17.0 <2.0.0'
+  flutter: '>=1.17.0 <3.0.0'

packages/stream_chat/example/lib/main.dart

@@ -43,10 +43,10 @@ class StreamExample extends StatelessWidget {
   /// To initialize this example, an instance of
   /// [client] and [channel] is required.
   const StreamExample({
-    Key? key,
+    super.key,
     required this.client,
     required this.channel,
-  }) : super(key: key);
+  });
 
   /// Instance of [StreamChatClient] we created earlier.
   /// This contains information about our application and connection state.
@@ -67,9 +67,9 @@ class StreamExample extends StatelessWidget {
 class HomeScreen extends StatelessWidget {
   /// [HomeScreen] is constructed using the [Channel] we defined earlier.
   const HomeScreen({
-    Key? key,
+    super.key,
     required this.channel,
-  }) : super(key: key);
+  });
 
   /// Channel object containing the [Channel.id] we'd like to observe.
   final Channel channel;
@@ -119,10 +119,10 @@ class HomeScreen extends StatelessWidget {
 class MessageView extends StatefulWidget {
   /// Message takes the latest list of messages and the current channel.
   const MessageView({
-    Key? key,
+    super.key,
     required this.messages,
     required this.channel,
-  }) : super(key: key);
+  });
 
   /// List of messages sent in the given channel.
   final List<Message> messages;

packages/stream_chat/example/pubspec.yaml

@@ -5,7 +5,7 @@ publish_to: "none"
 version: 1.0.0+1
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=2.17.0 <3.0.0'
 
 dependencies:
   cupertino_icons: ^1.0.0

packages/stream_chat/lib/src/client/channel.dart

@@ -2173,7 +2173,7 @@ class ChannelClientState {
 
   /// The channel threads related to this channel.
   Map<String, List<Message>> get threads =>
-      _threadsController.value.map((key, value) => MapEntry(key, value));
+      _threadsController.value.map(MapEntry.new);
 
   /// The channel threads related to this channel as a stream.
   Stream<Map<String, List<Message>>> get threadsStream =>

packages/stream_chat/lib/src/core/error/stream_chat_error.dart

@@ -21,9 +21,9 @@ class StreamChatError with EquatableMixin implements Exception {
 class StreamWebSocketError extends StreamChatError {
   ///
   const StreamWebSocketError(
-    String message, {
+    super.message, {
     this.data,
-  }) : super(message);
+  });
 
   ///
   factory StreamWebSocketError.fromStreamError(Map<String, Object?> error) {

packages/stream_chat/lib/src/core/http/stream_chat_dio_error.dart

@@ -6,14 +6,11 @@ class StreamChatDioError extends DioError {
   /// Initialize a stream chat dio error
   StreamChatDioError({
     required this.error,
-    required RequestOptions requestOptions,
+    required super.requestOptions,
-    Response? response,
+    super.response,
-    DioErrorType type = DioErrorType.other,
+    super.type,
   }) : super(
           error: error,
-          requestOptions: requestOptions,
-          response: response,
-          type: type,
         );
 
   @override

packages/stream_chat/lib/src/core/models/attachment_file.freezed.dart

@@ -103,19 +103,21 @@ class _$UploadStateCopyWithImpl<$Res> implements $UploadStateCopyWith<$Res> {
 }
 
 /// @nodoc
-abstract class $PreparingCopyWith<$Res> {
+abstract class _$$PreparingCopyWith<$Res> {
-  factory $PreparingCopyWith(Preparing value, $Res Function(Preparing) then) =
+  factory _$$PreparingCopyWith(
-      _$PreparingCopyWithImpl<$Res>;
+          _$Preparing value, $Res Function(_$Preparing) then) =
+      __$$PreparingCopyWithImpl<$Res>;
 }
 
 /// @nodoc
-class _$PreparingCopyWithImpl<$Res> extends _$UploadStateCopyWithImpl<$Res>
+class __$$PreparingCopyWithImpl<$Res> extends _$UploadStateCopyWithImpl<$Res>
-    implements $PreparingCopyWith<$Res> {
+    implements _$$PreparingCopyWith<$Res> {
-  _$PreparingCopyWithImpl(Preparing _value, $Res Function(Preparing) _then)
+  __$$PreparingCopyWithImpl(
-      : super(_value, (v) => _then(v as Preparing));
+      _$Preparing _value, $Res Function(_$Preparing) _then)
+      : super(_value, (v) => _then(v as _$Preparing));
 
   @override
-  Preparing get _value => super._value as Preparing;
+  _$Preparing get _value => super._value as _$Preparing;
 }
 
 /// @nodoc
@@ -137,7 +139,7 @@ class _$Preparing implements Preparing {
   @override
   bool operator ==(dynamic other) {
     return identical(this, other) ||
-        (other.runtimeType == runtimeType && other is Preparing);
+        (other.runtimeType == runtimeType && other is _$Preparing);
   }
 
   @JsonKey(ignore: true)
@@ -231,28 +233,29 @@ abstract class Preparing implements UploadState {
 }
 
 /// @nodoc
-abstract class $InProgressCopyWith<$Res> {
+abstract class _$$InProgressCopyWith<$Res> {
-  factory $InProgressCopyWith(
+  factory _$$InProgressCopyWith(
-          InProgress value, $Res Function(InProgress) then) =
+          _$InProgress value, $Res Function(_$InProgress) then) =
-      _$InProgressCopyWithImpl<$Res>;
+      __$$InProgressCopyWithImpl<$Res>;
   $Res call({int uploaded, int total});
 }
 
 /// @nodoc
-class _$InProgressCopyWithImpl<$Res> extends _$UploadStateCopyWithImpl<$Res>
+class __$$InProgressCopyWithImpl<$Res> extends _$UploadStateCopyWithImpl<$Res>
-    implements $InProgressCopyWith<$Res> {
+    implements _$$InProgressCopyWith<$Res> {
-  _$InProgressCopyWithImpl(InProgress _value, $Res Function(InProgress) _then)
+  __$$InProgressCopyWithImpl(
-      : super(_value, (v) => _then(v as InProgress));
+      _$InProgress _value, $Res Function(_$InProgress) _then)
+      : super(_value, (v) => _then(v as _$InProgress));
 
   @override
-  InProgress get _value => super._value as InProgress;
+  _$InProgress get _value => super._value as _$InProgress;
 
   @override
   $Res call({
     Object? uploaded = freezed,
     Object? total = freezed,
   }) {
-    return _then(InProgress(
+    return _then(_$InProgress(
       uploaded: uploaded == freezed
           ? _value.uploaded
           : uploaded // ignore: cast_nullable_to_non_nullable
@@ -292,7 +295,7 @@ class _$InProgress implements InProgress {
   bool operator ==(dynamic other) {
     return identical(this, other) ||
         (other.runtimeType == runtimeType &&
-            other is InProgress &&
+            other is _$InProgress &&
             const DeepCollectionEquality().equals(other.uploaded, uploaded) &&
             const DeepCollectionEquality().equals(other.total, total));
   }
@@ -306,8 +309,8 @@ class _$InProgress implements InProgress {
 
   @JsonKey(ignore: true)
   @override
-  $InProgressCopyWith<InProgress> get copyWith =>
+  _$$InProgressCopyWith<_$InProgress> get copyWith =>
-      _$InProgressCopyWithImpl<InProgress>(this, _$identity);
+      __$$InProgressCopyWithImpl<_$InProgress>(this, _$identity);
 
   @override
   @optionalTypeArgs
@@ -399,24 +402,24 @@ abstract class InProgress implements UploadState {
   int get uploaded => throw _privateConstructorUsedError;
   int get total => throw _privateConstructorUsedError;
   @JsonKey(ignore: true)
-  $InProgressCopyWith<InProgress> get copyWith =>
+  _$$InProgressCopyWith<_$InProgress> get copyWith =>
       throw _privateConstructorUsedError;
 }
 
 /// @nodoc
-abstract class $SuccessCopyWith<$Res> {
+abstract class _$$SuccessCopyWith<$Res> {
-  factory $SuccessCopyWith(Success value, $Res Function(Success) then) =
+  factory _$$SuccessCopyWith(_$Success value, $Res Function(_$Success) then) =
-      _$SuccessCopyWithImpl<$Res>;
+      __$$SuccessCopyWithImpl<$Res>;
 }
 
 /// @nodoc
-class _$SuccessCopyWithImpl<$Res> extends _$UploadStateCopyWithImpl<$Res>
+class __$$SuccessCopyWithImpl<$Res> extends _$UploadStateCopyWithImpl<$Res>
-    implements $SuccessCopyWith<$Res> {
+    implements _$$SuccessCopyWith<$Res> {
-  _$SuccessCopyWithImpl(Success _value, $Res Function(Success) _then)
+  __$$SuccessCopyWithImpl(_$Success _value, $Res Function(_$Success) _then)
-      : super(_value, (v) => _then(v as Success));
+      : super(_value, (v) => _then(v as _$Success));
 
   @override
-  Success get _value => super._value as Success;
+  _$Success get _value => super._value as _$Success;
 }
 
 /// @nodoc
@@ -438,7 +441,7 @@ class _$Success implements Success {
   @override
   bool operator ==(dynamic other) {
     return identical(this, other) ||
-        (other.runtimeType == runtimeType && other is Success);
+        (other.runtimeType == runtimeType && other is _$Success);
   }
 
   @JsonKey(ignore: true)
@@ -532,26 +535,26 @@ abstract class Success implements UploadState {
 }
 
 /// @nodoc
-abstract class $FailedCopyWith<$Res> {
+abstract class _$$FailedCopyWith<$Res> {
-  factory $FailedCopyWith(Failed value, $Res Function(Failed) then) =
+  factory _$$FailedCopyWith(_$Failed value, $Res Function(_$Failed) then) =
-      _$FailedCopyWithImpl<$Res>;
+      __$$FailedCopyWithImpl<$Res>;
   $Res call({String error});
 }
 
 /// @nodoc
-class _$FailedCopyWithImpl<$Res> extends _$UploadStateCopyWithImpl<$Res>
+class __$$FailedCopyWithImpl<$Res> extends _$UploadStateCopyWithImpl<$Res>
-    implements $FailedCopyWith<$Res> {
+    implements _$$FailedCopyWith<$Res> {
-  _$FailedCopyWithImpl(Failed _value, $Res Function(Failed) _then)
+  __$$FailedCopyWithImpl(_$Failed _value, $Res Function(_$Failed) _then)
-      : super(_value, (v) => _then(v as Failed));
+      : super(_value, (v) => _then(v as _$Failed));
 
   @override
-  Failed get _value => super._value as Failed;
+  _$Failed get _value => super._value as _$Failed;
 
   @override
   $Res call({
     Object? error = freezed,
   }) {
-    return _then(Failed(
+    return _then(_$Failed(
       error: error == freezed
           ? _value.error
           : error // ignore: cast_nullable_to_non_nullable
@@ -584,7 +587,7 @@ class _$Failed implements Failed {
   bool operator ==(dynamic other) {
     return identical(this, other) ||
         (other.runtimeType == runtimeType &&
-            other is Failed &&
+            other is _$Failed &&
             const DeepCollectionEquality().equals(other.error, error));
   }
 
@@ -595,8 +598,8 @@ class _$Failed implements Failed {
 
   @JsonKey(ignore: true)
   @override
-  $FailedCopyWith<Failed> get copyWith =>
+  _$$FailedCopyWith<_$Failed> get copyWith =>
-      _$FailedCopyWithImpl<Failed>(this, _$identity);
+      __$$FailedCopyWithImpl<_$Failed>(this, _$identity);
 
   @override
   @optionalTypeArgs
@@ -685,5 +688,6 @@ abstract class Failed implements UploadState {
 
   String get error => throw _privateConstructorUsedError;
   @JsonKey(ignore: true)
-  $FailedCopyWith<Failed> get copyWith => throw _privateConstructorUsedError;
+  _$$FailedCopyWith<_$Failed> get copyWith =>
+      throw _privateConstructorUsedError;
 }

packages/stream_chat/lib/src/core/models/event.dart

@@ -177,36 +177,21 @@ class EventChannel extends ChannelModel {
   /// Constructor used for json serialization
   EventChannel({
     this.members,
-    String? id,
+    super.id,
-    String? type,
+    super.type,
-    required String cid,
+    required String super.cid,
-    required ChannelConfig config,
+    required ChannelConfig super.config,
-    User? createdBy,
+    super.createdBy,
-    bool frozen = false,
+    super.frozen,
-    DateTime? lastMessageAt,
+    super.lastMessageAt,
-    required DateTime createdAt,
+    required DateTime super.createdAt,
-    required DateTime updatedAt,
+    required DateTime super.updatedAt,
-    DateTime? deletedAt,
+    super.deletedAt,
-    int memberCount = 0,
+    super.memberCount,
     Map<String, Object?>? extraData,
-    int cooldown = 0,
+    super.cooldown,
-    String? team,
+    super.team,
-  }) : super(
+  }) : super(extraData: extraData ?? {});
-          id: id,
-          type: type,
-          cid: cid,
-          config: config,
-          createdBy: createdBy,
-          frozen: frozen,
-          lastMessageAt: lastMessageAt,
-          createdAt: createdAt,
-          updatedAt: updatedAt,
-          deletedAt: deletedAt,
-          memberCount: memberCount,
-          extraData: extraData ?? {},
-          cooldown: cooldown,
-          team: team,
-        );
 
   /// Create a new instance from a json
   factory EventChannel.fromJson(Map<String, dynamic> json) =>

packages/stream_chat/lib/src/core/models/filter.dart

@@ -60,21 +60,21 @@ enum FilterOperator {
 extension FilterOperatorX on FilterOperator {
   /// Converts [FilterOperator] into rew values
   String get rawValue => {
-        FilterOperator.equal: '\$eq',
+        FilterOperator.equal: r'$eq',
-        FilterOperator.notEqual: '\$ne',
+        FilterOperator.notEqual: r'$ne',
-        FilterOperator.greater: '\$gt',
+        FilterOperator.greater: r'$gt',
-        FilterOperator.greaterOrEqual: '\$gte',
+        FilterOperator.greaterOrEqual: r'$gte',
-        FilterOperator.less: '\$lt',
+        FilterOperator.less: r'$lt',
-        FilterOperator.lessOrEqual: '\$lte',
+        FilterOperator.lessOrEqual: r'$lte',
-        FilterOperator.in_: '\$in',
+        FilterOperator.in_: r'$in',
-        FilterOperator.notIn: '\$nin',
+        FilterOperator.notIn: r'$nin',
-        FilterOperator.query: '\$q',
+        FilterOperator.query: r'$q',
-        FilterOperator.autoComplete: '\$autocomplete',
+        FilterOperator.autoComplete: r'$autocomplete',
-        FilterOperator.exists: '\$exists',
+        FilterOperator.exists: r'$exists',
-        FilterOperator.and: '\$and',
+        FilterOperator.and: r'$and',
-        FilterOperator.or: '\$or',
+        FilterOperator.or: r'$or',
-        FilterOperator.nor: '\$nor',
+        FilterOperator.nor: r'$nor',
-        FilterOperator.contains: '\$contains',
+        FilterOperator.contains: r'$contains',
       }[this]!;
 }
 

packages/stream_chat/lib/src/core/models/own_user.dart

@@ -17,34 +17,20 @@ class OwnUser extends User {
     this.totalUnreadCount = 0,
     this.unreadChannels = 0,
     this.channelMutes = const [],
-    required String id,
+    required super.id,
-    String? role,
+    super.role,
-    String? name,
+    super.name,
-    String? image,
+    super.image,
-    DateTime? createdAt,
+    super.createdAt,
-    DateTime? updatedAt,
+    super.updatedAt,
-    DateTime? lastActive,
+    super.lastActive,
-    bool online = false,
+    super.online,
-    Map<String, Object?> extraData = const {},
+    super.extraData,
-    bool banned = false,
+    super.banned,
-    DateTime? banExpires,
+    super.banExpires,
-    List<String> teams = const [],
+    super.teams,
-    String? language,
+    super.language,
-  }) : super(
+  });
-          id: id,
-          role: role,
-          name: name,
-          image: image,
-          createdAt: createdAt,
-          updatedAt: updatedAt,
-          lastActive: lastActive,
-          online: online,
-          extraData: extraData,
-          banned: banned,
-          banExpires: banExpires,
-          teams: teams,
-          language: language,
-        );
 
   /// Create a new instance from json.
   factory OwnUser.fromJson(Map<String, dynamic> json) => _$OwnUserFromJson(

packages/stream_chat/pubspec.yaml

@@ -6,17 +6,17 @@ repository: https://github.com/GetStream/stream-chat-flutter
 issue_tracker: https://github.com/GetStream/stream-chat-flutter/issues
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=2.17.0 <3.0.0'
 
 dependencies:
   async: ^2.5.0
   collection: ^1.15.0
   dio: ^4.0.0
   equatable: ^2.0.0
-  freezed_annotation: ^1.0.0
+  freezed_annotation: ^2.0.3
   http_parser: ^4.0.0
   jose: ^0.3.2
-  json_annotation: ^4.3.0
+  json_annotation: ^4.5.0
   logging: ^1.0.1
   meta: ^1.3.0
   mime: ^1.0.0
@@ -28,7 +28,7 @@ dependencies:
 dev_dependencies:
   build_runner: ^2.0.1
   dart_code_metrics: ^4.4.0
-  freezed: ^1.0.0
+  freezed: ^2.0.3
-  json_serializable: ^6.0.1
+  json_serializable: ^6.2.0
   mocktail: ^0.3.0
   test: ^1.17.12

packages/stream_chat/test/src/core/models/channel_state_test.dart

@@ -49,6 +49,7 @@ void main() {
         channel: ChannelModel.fromJson(j['channel']),
         members: [],
         messages:
+            // ignore: unnecessary_lambdas
             (j['messages'] as List).map((m) => Message.fromJson(m)).toList(),
         read: [],
         watcherCount: 5,

packages/stream_chat/test/src/core/models/filter_test.dart

@@ -123,7 +123,7 @@ void main() {
     test('custom', () {
       const key = 'testKey';
       const value = 'testValue';
-      const operator = '\$customOperator';
+      const operator = r'$customOperator';
       const filter = Filter.custom(operator: operator, key: key, value: value);
       expect(filter.key, key);
       expect(filter.value, value);

packages/stream_chat_flutter/example/lib/main.dart

@@ -47,10 +47,10 @@ class MyApp extends StatelessWidget {
   /// If you'd prefer using minimal wrapper widgets for your app, please see
   /// our other package, `stream_chat_flutter_core`.
   const MyApp({
-    Key? key,
+    super.key,
     required this.client,
     required this.channel,
-  }) : super(key: key);
+  });
 
   /// Instance of Stream Client.
   ///
@@ -94,8 +94,8 @@ class MyApp extends StatelessWidget {
 class ChannelPage extends StatelessWidget {
   /// Creates the page that shows the list of messages
   const ChannelPage({
-    Key? key,
+    super.key,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) => Scaffold(

packages/stream_chat_flutter/example/lib/split_view.dart

@@ -22,9 +22,9 @@ void main() async {
 
 class MyApp extends StatelessWidget {
   const MyApp({
-    Key? key,
+    super.key,
     required this.client,
-  }) : super(key: key);
+  });
 
   final StreamChatClient client;
 
@@ -40,8 +40,8 @@ class MyApp extends StatelessWidget {
 
 class SplitView extends StatefulWidget {
   const SplitView({
-    Key? key,
+    super.key,
-  }) : super(key: key);
+  });
 
   @override
   _SplitViewState createState() => _SplitViewState();
@@ -86,9 +86,9 @@ class _SplitViewState extends State<SplitView> {
 
 class ChannelListPage extends StatefulWidget {
   const ChannelListPage({
-    Key? key,
+    super.key,
     this.onTap,
-  }) : super(key: key);
+  });
 
   final void Function(Channel)? onTap;
 
@@ -118,8 +118,8 @@ class _ChannelListPageState extends State<ChannelListPage> {
 
 class ChannelPage extends StatelessWidget {
   const ChannelPage({
-    Key? key,
+    super.key,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) => Navigator(

packages/stream_chat_flutter/example/lib/tutorial_part_1.dart

@@ -58,10 +58,10 @@ void main() async {
 
 class MyApp extends StatelessWidget {
   const MyApp({
-    Key? key,
+    super.key,
     required this.client,
     required this.channel,
-  }) : super(key: key);
+  });
 
   final StreamChatClient client;
 
@@ -86,8 +86,8 @@ class MyApp extends StatelessWidget {
 
 class ChannelPage extends StatelessWidget {
   const ChannelPage({
-    Key? key,
+    super.key,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) => Scaffold(

packages/stream_chat_flutter/example/lib/tutorial_part_2.dart

@@ -51,9 +51,9 @@ void main() async {
 
 class MyApp extends StatelessWidget {
   const MyApp({
-    Key? key,
+    super.key,
     required this.client,
-  }) : super(key: key);
+  });
 
   final StreamChatClient client;
 
@@ -73,9 +73,9 @@ class MyApp extends StatelessWidget {
 
 class ChannelListPage extends StatefulWidget {
   const ChannelListPage({
-    Key? key,
+    super.key,
     required this.client,
-  }) : super(key: key);
+  });
 
   final StreamChatClient client;
 
@@ -121,8 +121,8 @@ class _ChannelListPageState extends State<ChannelListPage> {
 
 class ChannelPage extends StatelessWidget {
   const ChannelPage({
-    Key? key,
+    super.key,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) => Scaffold(

packages/stream_chat_flutter/example/lib/tutorial_part_3.dart

@@ -51,9 +51,9 @@ Future<void> main() async {
 
 class MyApp extends StatelessWidget {
   const MyApp({
-    Key? key,
+    super.key,
     required this.client,
-  }) : super(key: key);
+  });
 
   final StreamChatClient client;
 
@@ -71,8 +71,8 @@ class MyApp extends StatelessWidget {
 
 class ChannelListPage extends StatefulWidget {
   const ChannelListPage({
-    Key? key,
+    super.key,
-  }) : super(key: key);
+  });
 
   @override
   State<ChannelListPage> createState() => _ChannelListPageState();
@@ -164,8 +164,8 @@ class _ChannelListPageState extends State<ChannelListPage> {
 
 class ChannelPage extends StatelessWidget {
   const ChannelPage({
-    Key? key,
+    super.key,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {

packages/stream_chat_flutter/example/lib/tutorial_part_4.dart

@@ -38,9 +38,9 @@ Future<void> main() async {
 
 class MyApp extends StatelessWidget {
   const MyApp({
-    Key? key,
+    super.key,
     required this.client,
-  }) : super(key: key);
+  });
 
   final StreamChatClient client;
 
@@ -58,8 +58,8 @@ class MyApp extends StatelessWidget {
 
 class ChannelListPage extends StatefulWidget {
   const ChannelListPage({
-    Key? key,
+    super.key,
-  }) : super(key: key);
+  });
 
   @override
   State<ChannelListPage> createState() => _ChannelListPageState();
@@ -102,8 +102,8 @@ class _ChannelListPageState extends State<ChannelListPage> {
 
 class ChannelPage extends StatelessWidget {
   const ChannelPage({
-    Key? key,
+    super.key,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) => Scaffold(
@@ -125,9 +125,9 @@ class ChannelPage extends StatelessWidget {
 
 class ThreadPage extends StatelessWidget {
   const ThreadPage({
-    Key? key,
+    super.key,
     this.parent,
-  }) : super(key: key);
+  });
 
   final Message? parent;
 

packages/stream_chat_flutter/example/lib/tutorial_part_5.dart

@@ -41,9 +41,9 @@ Future<void> main() async {
 
 class MyApp extends StatelessWidget {
   const MyApp({
-    Key? key,
+    super.key,
     required this.client,
-  }) : super(key: key);
+  });
 
   final StreamChatClient client;
 
@@ -61,8 +61,8 @@ class MyApp extends StatelessWidget {
 
 class ChannelListPage extends StatefulWidget {
   const ChannelListPage({
-    Key? key,
+    super.key,
-  }) : super(key: key);
+  });
 
   @override
   State<ChannelListPage> createState() => _ChannelListPageState();
@@ -105,8 +105,8 @@ class _ChannelListPageState extends State<ChannelListPage> {
 
 class ChannelPage extends StatelessWidget {
   const ChannelPage({
-    Key? key,
+    super.key,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {
@@ -139,7 +139,7 @@ class ChannelPage extends StatelessWidget {
 
     return Padding(
       padding: const EdgeInsets.all(5),
-      child: Container(
+      child: DecoratedBox(
         decoration: BoxDecoration(
           border: Border.all(
             color: color,

packages/stream_chat_flutter/example/lib/tutorial_part_6.dart

@@ -48,9 +48,9 @@ Future<void> main() async {
 
 class MyApp extends StatelessWidget {
   const MyApp({
-    Key? key,
+    super.key,
     required this.client,
-  }) : super(key: key);
+  });
 
   final StreamChatClient client;
 
@@ -101,8 +101,8 @@ class MyApp extends StatelessWidget {
 
 class ChannelListPage extends StatefulWidget {
   const ChannelListPage({
-    Key? key,
+    super.key,
-  }) : super(key: key);
+  });
 
   @override
   State<ChannelListPage> createState() => _ChannelListPageState();
@@ -145,8 +145,8 @@ class _ChannelListPageState extends State<ChannelListPage> {
 
 class ChannelPage extends StatelessWidget {
   const ChannelPage({
-    Key? key,
+    super.key,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) => Scaffold(
@@ -168,9 +168,9 @@ class ChannelPage extends StatelessWidget {
 
 class ThreadPage extends StatelessWidget {
   const ThreadPage({
-    Key? key,
+    super.key,
     this.parent,
-  }) : super(key: key);
+  });
 
   final Message? parent;
 

packages/stream_chat_flutter/example/pubspec.yaml

@@ -18,7 +18,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 version: 1.0.0+1
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=2.17.0 <3.0.0'
 
 dependencies:
   # The following adds the Cupertino Icons font to your application.

packages/stream_chat_flutter/lib/scrollable_positioned_list/src/positioned_list.dart

@@ -320,7 +320,7 @@ class _PositionedListState extends State<PositionedList> {
   void _schedulePositionNotificationUpdate() {
     if (!updateScheduled) {
       updateScheduled = true;
-      SchedulerBinding.instance!.addPostFrameCallback((_) {
+      SchedulerBinding.instance.addPostFrameCallback((_) {
         if (registeredElements.value == null) {
           updateScheduled = false;
           return;

packages/stream_chat_flutter/lib/scrollable_positioned_list/src/scrollable_positioned_list.dart

@@ -439,7 +439,7 @@ class _ScrollablePositionedListState extends State<ScrollablePositionedList>
     }
     if (_isTransitioning) {
       _stopScroll(canceled: true);
-      SchedulerBinding.instance!.addPostFrameCallback((_) {
+      SchedulerBinding.instance.addPostFrameCallback((_) {
         _startScroll(
           index: index,
           alignment: alignment,
@@ -488,7 +488,7 @@ class _ScrollablePositionedListState extends State<ScrollablePositionedList>
       final startCompleter = Completer<void>();
       final endCompleter = Completer<void>();
       startAnimationCallback = () {
-        SchedulerBinding.instance!.addPostFrameCallback((_) {
+        SchedulerBinding.instance.addPostFrameCallback((_) {
           startAnimationCallback = () {};
 
           opacity.parent = _opacityAnimation(opacityAnimationWeights).animate(

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

@@ -11,10 +11,10 @@ typedef AttachmentTitle = StreamAttachmentTitle;
 class StreamAttachmentTitle extends StatelessWidget {
   /// Supply attachment and theme for constructing title
   const StreamAttachmentTitle({
-    Key? key,
+    super.key,
     required this.attachment,
     required this.messageTheme,
-  }) : super(key: key);
+  });
 
   /// Theme to apply to text
   final StreamMessageThemeData messageTheme;

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

@@ -19,14 +19,14 @@ typedef AttachmentUploadStateBuilder = StreamAttachmentUploadStateBuilder;
 class StreamAttachmentUploadStateBuilder extends StatelessWidget {
   /// Constructor for creating an [StreamAttachmentUploadStateBuilder] widget
   const StreamAttachmentUploadStateBuilder({
-    Key? key,
+    super.key,
     required this.message,
     required this.attachment,
     this.failedBuilder,
     this.successBuilder,
     this.inProgressBuilder,
     this.preparingBuilder,
-  }) : super(key: key);
+  });
 
   /// Message which attachment is added to
   final Message message;
@@ -85,30 +85,24 @@ class StreamAttachmentUploadStateBuilder extends StatelessWidget {
 
 class _IconButton extends StatelessWidget {
   const _IconButton({
-    Key? key,
     this.icon,
-    this.iconSize = 24.0,
     this.onPressed,
-    this.fillColor,
+  });
-  }) : super(key: key);
 
   final Widget? icon;
-  final double iconSize;
   final VoidCallback? onPressed;
-  final Color? fillColor;
 
   @override
   Widget build(BuildContext context) => SizedBox(
-        height: iconSize,
+        height: 24,
-        width: iconSize,
+        width: 24,
         child: RawMaterialButton(
           elevation: 0,
           highlightElevation: 0,
           focusElevation: 0,
           hoverElevation: 0,
           onPressed: onPressed,
-          fillColor:
+          fillColor: StreamChatTheme.of(context).colorTheme.overlayDark,
-              fillColor ?? StreamChatTheme.of(context).colorTheme.overlayDark,
           shape: RoundedRectangleBorder(
             borderRadius: BorderRadius.circular(16),
           ),
@@ -118,10 +112,7 @@ class _IconButton extends StatelessWidget {
 }
 
 class _PreparingState extends StatelessWidget {
-  const _PreparingState({
+  const _PreparingState({required this.attachmentId});
-    Key? key,
-    required this.attachmentId,
-  }) : super(key: key);
 
   final String attachmentId;
 
@@ -155,11 +146,10 @@ class _PreparingState extends StatelessWidget {
 
 class _InProgressState extends StatelessWidget {
   const _InProgressState({
-    Key? key,
     required this.sent,
     required this.total,
     required this.attachmentId,
-  }) : super(key: key);
+  });
 
   final int sent;
   final int total;
@@ -195,11 +185,10 @@ class _InProgressState extends StatelessWidget {
 
 class _FailedState extends StatelessWidget {
   const _FailedState({
-    Key? key,
     this.error,
     required this.messageId,
     required this.attachmentId,
-  }) : super(key: key);
+  });
 
   final String? error;
   final String messageId;
@@ -222,7 +211,7 @@ class _FailedState extends StatelessWidget {
           },
         ),
         Center(
-          child: Container(
+          child: DecoratedBox(
             decoration: BoxDecoration(
               borderRadius: BorderRadius.circular(12),
               color: theme.colorTheme.overlayDark.withOpacity(0.6),

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

@@ -38,13 +38,12 @@ typedef AttachmentWidget = StreamAttachmentWidget;
 abstract class StreamAttachmentWidget extends StatelessWidget {
   /// Constructor for creating attachment widget
   const StreamAttachmentWidget({
-    Key? key,
+    super.key,
     required this.message,
     required this.attachment,
     this.size,
     AttachmentSource? source,
-  })  : _source = source,
+  }) : _source = source;
-        super(key: key);
 
   /// Size of attachments
   final Size? size;
@@ -68,9 +67,9 @@ abstract class StreamAttachmentWidget extends StatelessWidget {
 class AttachmentError extends StatelessWidget {
   /// Constructor for creating AttachmentError
   const AttachmentError({
-    Key? key,
+    super.key,
     this.size,
-  }) : super(key: key);
+  });
 
   /// Size of error
   final Size? size;

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

@@ -20,19 +20,14 @@ typedef FileAttachment = StreamFileAttachment;
 class StreamFileAttachment extends StreamAttachmentWidget {
   /// Constructor for creating a widget when attachment is of type 'file'
   const StreamFileAttachment({
-    Key? key,
+    super.key,
-    required Message message,
+    required super.message,
-    required Attachment attachment,
+    required super.attachment,
-    Size? size,
+    super.size,
     this.title,
     this.trailing,
     this.onAttachmentTap,
-  }) : super(
+  });
-          key: key,
-          message: message,
-          attachment: attachment,
-          size: size,
-        );
 
   /// Title for attachment
   final Widget? title;

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

@@ -15,19 +15,14 @@ typedef GiphyAttachment = StreamGiphyAttachment;
 class StreamGiphyAttachment extends StreamAttachmentWidget {
   /// Constructor for creating a [StreamGiphyAttachment] widget
   const StreamGiphyAttachment({
-    Key? key,
+    super.key,
-    required Message message,
+    required super.message,
-    required Attachment attachment,
+    required super.attachment,
-    Size? size,
+    super.size,
     this.onShowMessage,
     this.onReturnAction,
     this.onAttachmentTap,
-  }) : super(
+  });
-          key: key,
-          message: message,
-          attachment: attachment,
-          size: size,
-        );
 
   /// Callback when show message is tapped
   final ShowMessageCallback? onShowMessage;

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

@@ -15,21 +15,16 @@ typedef ImageAttachment = StreamImageAttachment;
 class StreamImageAttachment extends StreamAttachmentWidget {
   /// Constructor for creating a [StreamImageAttachment] widget
   const StreamImageAttachment({
-    Key? key,
+    super.key,
-    required Message message,
+    required super.message,
-    required Attachment attachment,
+    required super.attachment,
     required this.messageTheme,
-    Size? size,
+    super.size,
     this.showTitle = false,
     this.onShowMessage,
     this.onReturnAction,
     this.onAttachmentTap,
-  }) : super(
+  });
-          key: key,
-          message: message,
-          attachment: attachment,
-          size: size,
-        );
 
   /// [StreamMessageThemeData] for showing image title
   final StreamMessageThemeData messageTheme;

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

@@ -12,7 +12,7 @@ typedef UrlAttachment = StreamUrlAttachment;
 class StreamUrlAttachment extends StatelessWidget {
   /// Constructor for creating a [StreamUrlAttachment]
   const StreamUrlAttachment({
-    Key? key,
+    super.key,
     required this.urlAttachment,
     required this.hostDisplayName,
     required this.messageTheme,
@@ -21,7 +21,7 @@ class StreamUrlAttachment extends StatelessWidget {
       vertical: 8,
     ),
     this.onLinkTap,
-  }) : super(key: key);
+  });
 
   /// Attachment to be displayed
   final Attachment urlAttachment;
@@ -70,7 +70,7 @@ class StreamUrlAttachment extends StatelessWidget {
                   Positioned(
                     left: 0,
                     bottom: -1,
-                    child: Container(
+                    child: DecoratedBox(
                       decoration: BoxDecoration(
                         borderRadius: const BorderRadius.only(
                           topRight: Radius.circular(16),

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

@@ -14,20 +14,15 @@ typedef VideoAttachment = StreamVideoAttachment;
 class StreamVideoAttachment extends StreamAttachmentWidget {
   /// Constructor for creating a [StreamVideoAttachment] widget
   const StreamVideoAttachment({
-    Key? key,
+    super.key,
-    required Message message,
+    required super.message,
-    required Attachment attachment,
+    required super.attachment,
     required this.messageTheme,
-    Size? size,
+    super.size,
     this.onShowMessage,
     this.onReturnAction,
     this.onAttachmentTap,
-  }) : super(
+  });
-          key: key,
-          message: message,
-          attachment: attachment,
-          size: size,
-        );
 
   /// [StreamMessageThemeData] for showing title
   final StreamMessageThemeData messageTheme;

packages/stream_chat_flutter/lib/src/attachment_actions_modal.dart

@@ -19,7 +19,7 @@ typedef DownloadedPathCallback = void Function(String? path);
 class AttachmentActionsModal extends StatelessWidget {
   /// Returns a new [AttachmentActionsModal]
   const AttachmentActionsModal({
-    Key? key,
+    super.key,
     required this.attachment,
     required this.message,
     this.onShowMessage,
@@ -30,7 +30,7 @@ class AttachmentActionsModal extends StatelessWidget {
     this.showSave = true,
     this.showDelete = true,
     this.customActions = const [],
-  }) : super(key: key);
+  });
 
   /// The attachment object for which the actions are to be performed
   final Attachment attachment;

packages/stream_chat_flutter/lib/src/back_button.dart

@@ -6,11 +6,11 @@ import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 class StreamBackButton extends StatelessWidget {
   /// Constructor for creating back button
   const StreamBackButton({
-    Key? key,
+    super.key,
     this.onPressed,
     this.showUnreads = false,
     this.cid,
-  }) : super(key: key);
+  });
 
   /// Callback for when button is pressed
   final VoidCallback? onPressed;

packages/stream_chat_flutter/lib/src/channel_avatar.dart

@@ -52,7 +52,7 @@ import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 class ChannelAvatar extends StatelessWidget {
   /// Instantiate a new ChannelImage
   const ChannelAvatar({
-    Key? key,
+    super.key,
     this.channel,
     this.constraints,
     this.onTap,
@@ -60,7 +60,7 @@ class ChannelAvatar extends StatelessWidget {
     this.selected = false,
     this.selectionColor,
     this.selectionThickness = 4,
-  }) : super(key: key);
+  });
 
   /// [BorderRadius] to display the widget
   final BorderRadius? borderRadius;

packages/stream_chat_flutter/lib/src/channel_bottom_sheet.dart

@@ -7,7 +7,7 @@ import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 @Deprecated("Use 'StreamChannelInfoBottomSheet' instead")
 class ChannelBottomSheet extends StatefulWidget {
   /// Constructor for creating bottom sheet
-  const ChannelBottomSheet({Key? key, this.onViewInfoTap}) : super(key: key);
+  const ChannelBottomSheet({super.key, this.onViewInfoTap});
 
   /// Callback when 'View Info' is tapped
   final VoidCallback? onViewInfoTap;

packages/stream_chat_flutter/lib/src/channel_header.dart

@@ -60,7 +60,7 @@ class StreamChannelHeader extends StatelessWidget
     implements PreferredSizeWidget {
   /// Creates a channel header
   const StreamChannelHeader({
-    Key? key,
+    super.key,
     this.showBackButton = true,
     this.onBackPressed,
     this.onTitleTap,
@@ -74,8 +74,7 @@ class StreamChannelHeader extends StatelessWidget
     this.actions,
     this.backgroundColor,
     this.elevation = 1,
-  })  : preferredSize = const Size.fromHeight(kToolbarHeight),
+  }) : preferredSize = const Size.fromHeight(kToolbarHeight);
-        super(key: key);
 
   /// True if this header shows the leading back button
   final bool showBackButton;

packages/stream_chat_flutter/lib/src/channel_info.dart

@@ -13,12 +13,12 @@ typedef ChannelInfo = StreamChannelInfo;
 class StreamChannelInfo extends StatelessWidget {
   /// Constructor which creates a [StreamChannelInfo] widget
   const StreamChannelInfo({
-    Key? key,
+    super.key,
     required this.channel,
     this.textStyle,
     this.showTypingIndicator = true,
     this.parentId,
-  }) : super(key: key);
+  });
 
   /// The channel about which the info is to be displayed
   final Channel channel;
@@ -138,7 +138,7 @@ class StreamChannelInfo extends StatelessWidget {
           ),
           TextButton(
             style: TextButton.styleFrom(
-              padding: const EdgeInsets.all(0),
+              padding: EdgeInsets.zero,
               tapTargetSize: MaterialTapTargetSize.shrinkWrap,
               visualDensity: const VisualDensity(
                 horizontal: VisualDensity.minimumDensity,

packages/stream_chat_flutter/lib/src/channel_list_header.dart

@@ -54,7 +54,7 @@ class StreamChannelListHeader extends StatelessWidget
     implements PreferredSizeWidget {
   /// Instantiates a ChannelListHeader
   const StreamChannelListHeader({
-    Key? key,
+    super.key,
     this.client,
     this.titleBuilder,
     this.onUserAvatarTap,
@@ -67,7 +67,7 @@ class StreamChannelListHeader extends StatelessWidget
     this.actions,
     this.backgroundColor,
     this.elevation = 1,
-  }) : super(key: key);
+  });
 
   /// Pass this if you don't have a [StreamChatClient] in your widget tree.
   final StreamChatClient? client;
@@ -155,9 +155,7 @@ class StreamChannelListHeader extends StatelessWidget
                           showOnlineStatus: false,
                           onTap: onUserAvatarTap ??
                               (_) {
-                                if (preNavigationCallback != null) {
+                                preNavigationCallback?.call();
-                                  preNavigationCallback!();
-                                }
                                 Scaffold.of(context).openDrawer();
                               },
                           borderRadius: channelListHeaderThemeData

packages/stream_chat_flutter/lib/src/channel_list_view.dart

@@ -57,8 +57,9 @@ typedef ViewInfoCallback = void Function(Channel);
 @Deprecated("Use 'StreamChannelListView' instead")
 class ChannelListView extends StatefulWidget {
   /// Instantiate a new ChannelListView
+  @Deprecated("Use 'StreamChannelListView' instead")
   ChannelListView({
-    Key? key,
+    super.key,
     this.filter,
     this.sort,
     this.state = true,
@@ -93,8 +94,7 @@ class ChannelListView extends StatefulWidget {
     this.onDeletePressed,
     this.swipeActions,
     this.channelListController,
-  })  : limit = limit ?? pagination?.limit ?? 25,
+  }) : limit = limit ?? pagination?.limit ?? 25;
-        super(key: key);
 
   /// If true a default swipe to action behaviour will be added to this widget
   final bool swipeToAction;
@@ -688,7 +688,7 @@ class _ChannelListViewState extends State<ChannelListView> {
         initialData: false,
         errorBuilder: (context, err) {
           final theme = StreamChatTheme.of(context);
-          return Container(
+          return ColoredBox(
             color: theme.colorTheme.textLowEmphasis.withOpacity(0.9),
             child: Padding(
               padding: const EdgeInsets.all(16),

packages/stream_chat_flutter/lib/src/channel_name.dart

@@ -10,10 +10,10 @@ import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 class ChannelName extends StatelessWidget {
   /// Instantiate a new ChannelName
   const ChannelName({
-    Key? key,
+    super.key,
     this.textStyle,
     this.textOverflow = TextOverflow.ellipsis,
-  }) : super(key: key);
+  });
 
   /// The style of the text displayed
   final TextStyle? textStyle;

packages/stream_chat_flutter/lib/src/channel_preview.dart

@@ -25,7 +25,7 @@ class ChannelPreview extends StatelessWidget {
   /// Constructor for creating [ChannelPreview]
   const ChannelPreview({
     required this.channel,
-    Key? key,
+    super.key,
     this.onTap,
     this.onLongPress,
     this.onImageTap,
@@ -34,7 +34,7 @@ class ChannelPreview extends StatelessWidget {
     this.leading,
     this.sendingIndicator,
     this.trailing,
-  }) : super(key: key);
+  });
 
   /// Function called when tapping this widget
   final void Function(Channel)? onTap;

packages/stream_chat_flutter/lib/src/commands_overlay.dart

@@ -17,8 +17,8 @@ class StreamCommandsOverlay extends StatelessWidget {
     required this.onCommandResult,
     required this.size,
     required this.channel,
-    Key? key,
+    super.key,
-  }) : super(key: key);
+  });
 
   /// The size of the overlay
   final Size size;
@@ -60,7 +60,7 @@ class StreamCommandsOverlay extends StatelessWidget {
             borderRadius: BorderRadius.circular(8),
           ),
           child: ListView(
-            padding: const EdgeInsets.all(0),
+            padding: EdgeInsets.zero,
             shrinkWrap: true,
             children: [
               if (commands.isNotEmpty)

packages/stream_chat_flutter/lib/src/connection_status_builder.dart

@@ -15,12 +15,12 @@ typedef ConnectionStatusBuilder = StreamConnectionStatusBuilder;
 class StreamConnectionStatusBuilder extends StatelessWidget {
   /// Creates a new ConnectionStatusBuilder
   const StreamConnectionStatusBuilder({
-    Key? key,
+    super.key,
     required this.statusBuilder,
     this.connectionStatusStream,
     this.errorBuilder,
     this.loadingBuilder,
-  }) : super(key: key);
+  });
 
   /// The asynchronous computation to which this builder is currently connected.
   final Stream<ConnectionStatus>? connectionStatusStream;

packages/stream_chat_flutter/lib/src/date_divider.dart

@@ -13,10 +13,10 @@ typedef DateDivider = StreamDateDivider;
 class StreamDateDivider extends StatelessWidget {
   /// Constructor for creating a [StreamDateDivider]
   const StreamDateDivider({
-    Key? key,
+    super.key,
     required this.dateTime,
     this.uppercase = false,
-  }) : super(key: key);
+  });
 
   /// [DateTime] to display
   final DateTime dateTime;

packages/stream_chat_flutter/lib/src/deleted_message.dart

@@ -13,13 +13,13 @@ typedef DeletedMessage = StreamDeletedMessage;
 class StreamDeletedMessage extends StatelessWidget {
   /// Constructor to create [StreamDeletedMessage]
   const StreamDeletedMessage({
-    Key? key,
+    super.key,
     required this.messageTheme,
     this.borderRadiusGeometry,
     this.shape,
     this.borderSide,
     this.reverse = false,
-  }) : super(key: key);
+  });
 
   /// The theme of the message
   final StreamMessageThemeData messageTheme;

packages/stream_chat_flutter/lib/src/emoji_overlay.dart

@@ -17,8 +17,8 @@ class StreamEmojiOverlay extends StatelessWidget {
     required this.query,
     required this.onEmojiResult,
     required this.size,
-    Key? key,
+    super.key,
-  }) : super(key: key);
+  });
 
   /// The size of the overlay
   final Size size;
@@ -65,7 +65,7 @@ class StreamEmojiOverlay extends StatelessWidget {
           color: _streamChatTheme.colorTheme.barsBg,
         ),
         child: ListView.builder(
-          padding: const EdgeInsets.all(0),
+          padding: EdgeInsets.zero,
           shrinkWrap: true,
           itemCount: emojis.length + 1,
           itemBuilder: (context, i) {

packages/stream_chat_flutter/lib/src/full_screen_media.dart

@@ -31,15 +31,14 @@ typedef FullScreenMedia = StreamFullScreenMedia;
 class StreamFullScreenMedia extends StatefulWidget {
   /// Instantiate a new FullScreenImage
   const StreamFullScreenMedia({
-    Key? key,
+    super.key,
     required this.mediaAttachmentPackages,
     this.startIndex = 0,
     String? userName,
     this.onShowMessage,
     this.attachmentActionsModalBuilder,
     this.autoplayVideos = false,
-  })  : userName = userName ?? '',
+  }) : userName = userName ?? '';
-        super(key: key);
 
   /// The url of the image
   final List<StreamAttachmentPackage> mediaAttachmentPackages;

packages/stream_chat_flutter/lib/src/gallery_footer.dart

@@ -20,7 +20,7 @@ class StreamGalleryFooter extends StatefulWidget
     implements PreferredSizeWidget {
   /// Creates a StreamGalleryFooter
   const StreamGalleryFooter({
-    Key? key,
+    super.key,
     this.onBackPressed,
     this.onTitleTap,
     this.onImageTap,
@@ -29,8 +29,7 @@ class StreamGalleryFooter extends StatefulWidget
     required this.mediaAttachmentPackages,
     this.mediaSelectedCallBack,
     this.backgroundColor,
-  })  : preferredSize = const Size.fromHeight(kToolbarHeight),
+  }) : preferredSize = const Size.fromHeight(kToolbarHeight);
-        super(key: key);
 
   /// Callback to call when pressing the back button.
   /// By default it calls [Navigator.pop]

packages/stream_chat_flutter/lib/src/gallery_header.dart

@@ -26,7 +26,7 @@ class StreamGalleryHeader extends StatelessWidget
     implements PreferredSizeWidget {
   /// Creates a channel header
   const StreamGalleryHeader({
-    Key? key,
+    super.key,
     required this.message,
     required this.attachment,
     this.showBackButton = true,
@@ -38,8 +38,7 @@ class StreamGalleryHeader extends StatelessWidget
     this.sentAt = '',
     this.backgroundColor,
     this.attachmentActionsModalBuilder,
-  })  : preferredSize = const Size.fromHeight(kToolbarHeight),
+  }) : preferredSize = const Size.fromHeight(kToolbarHeight);
-        super(key: key);
 
   /// True if this header shows the leading back button
   final bool showBackButton;

packages/stream_chat_flutter/lib/src/gradient_avatar.dart

@@ -13,10 +13,10 @@ typedef GradientAvatar = StreamGradientAvatar;
 class StreamGradientAvatar extends StatefulWidget {
   /// Constructor for [StreamGradientAvatar]
   const StreamGradientAvatar({
-    Key? key,
+    super.key,
     required this.name,
     required this.userId,
-  }) : super(key: key);
+  });
 
   /// Name of user to shorten and display
   final String name;

packages/stream_chat_flutter/lib/src/group_avatar.dart

@@ -11,7 +11,7 @@ typedef GroupAvatar = StreamGroupAvatar;
 class StreamGroupAvatar extends StatelessWidget {
   /// Constructor for creating a [StreamGroupAvatar]
   const StreamGroupAvatar({
-    Key? key,
+    super.key,
     this.channel,
     required this.members,
     this.constraints,
@@ -20,7 +20,7 @@ class StreamGroupAvatar extends StatelessWidget {
     this.selected = false,
     this.selectionColor,
     this.selectionThickness = 4,
-  }) : super(key: key);
+  });
 
   /// The channel of the avatar
   final Channel? channel;

packages/stream_chat_flutter/lib/src/image_group.dart

@@ -11,7 +11,7 @@ typedef ImageGroup = StreamImageGroup;
 class StreamImageGroup extends StatelessWidget {
   /// Constructor for creating [StreamImageGroup] widget
   const StreamImageGroup({
-    Key? key,
+    super.key,
     required this.images,
     required this.message,
     required this.messageTheme,
@@ -19,7 +19,7 @@ class StreamImageGroup extends StatelessWidget {
     this.onReturnAction,
     this.onShowMessage,
     this.onAttachmentTap,
-  }) : super(key: key);
+  });
 
   /// List of attachments to show
   final List<Attachment> images;

packages/stream_chat_flutter/lib/src/info_tile.dart

@@ -12,7 +12,7 @@ typedef InfoTile = StreamInfoTile;
 class StreamInfoTile extends StatelessWidget {
   /// Constructor for creating an [StreamInfoTile] widget
   const StreamInfoTile({
-    Key? key,
+    super.key,
     required this.message,
     required this.child,
     required this.showMessage,
@@ -20,7 +20,7 @@ class StreamInfoTile extends StatelessWidget {
     this.childAnchor,
     this.textStyle,
     this.backgroundColor,
-  }) : super(key: key);
+  });
 
   /// String to display
   final String message;

packages/stream_chat_flutter/lib/src/localization/translations.dart

@@ -391,7 +391,7 @@ class DefaultTranslations implements Translations {
 
   @override
   String get sendMessagePermissionError =>
-      'You don\'t have permission to send messages';
+      "You don't have permission to send messages";
 
   @override
   String get emptyMessagesText => 'There are no messages currently';
@@ -528,7 +528,7 @@ class DefaultTranslations implements Translations {
 
   @override
   String get operationCouldNotBeCompletedText =>
-      'The operation couldn\'t be completed.';
+      "The operation couldn't be completed.";
 
   @override
   String get replyLabel => 'Reply';

packages/stream_chat_flutter/lib/src/media_list_view.dart

@@ -18,11 +18,11 @@ typedef MediaListView = StreamMediaListView;
 class StreamMediaListView extends StatefulWidget {
   /// Constructor for creating a [StreamMediaListView] widget
   const StreamMediaListView({
-    Key? key,
+    super.key,
     this.selectedIds = const [],
     this.onSelect,
     this.controller,
-  }) : super(key: key);
+  });
 
   /// Stores the media selected
   final List<String> selectedIds;
@@ -67,11 +67,9 @@ class _StreamMediaListViewState extends State<StreamMediaListView> {
             return Padding(
               padding: const EdgeInsets.symmetric(horizontal: 1, vertical: 1),
               child: InkWell(
-                onTap: () {
+                onTap: widget.onSelect == null
-                  if (widget.onSelect != null) {
+                    ? null
-                    widget.onSelect!(media);
+                    : () => widget.onSelect!(media),
-                  }
-                },
                 child: Stack(
                   children: [
                     AspectRatio(

packages/stream_chat_flutter/lib/src/message_actions_modal.dart

@@ -13,7 +13,7 @@ typedef MessageActionsModal = StreamMessageActionsModal;
 class StreamMessageActionsModal extends StatefulWidget {
   /// Constructor for creating a [StreamMessageActionsModal] widget
   const StreamMessageActionsModal({
-    Key? key,
+    super.key,
     required this.message,
     required this.messageWidget,
     required this.messageTheme,
@@ -32,7 +32,7 @@ class StreamMessageActionsModal extends StatefulWidget {
     this.reverse = false,
     this.customActions = const [],
     this.onCopyTap,
-  }) : super(key: key);
+  });
 
   /// Widget that shows the message
   final Widget messageWidget;
@@ -252,7 +252,7 @@ class _StreamMessageActionsModalState extends State<StreamMessageActionsModal> {
                 sigmaX: 10,
                 sigmaY: 10,
               ),
-              child: Container(
+              child: ColoredBox(
                 color: streamChatThemeData.colorTheme.overlay,
               ),
             ),
@@ -406,9 +406,7 @@ class _StreamMessageActionsModalState extends State<StreamMessageActionsModal> {
     return InkWell(
       onTap: () {
         Navigator.pop(context);
-        if (widget.onReplyTap != null) {
+        widget.onReplyTap?.call(widget.message);
-          widget.onReplyTap!(widget.message);
-        }
       },
       child: Padding(
         padding: const EdgeInsets.symmetric(vertical: 11, horizontal: 16),
@@ -660,9 +658,7 @@ class _StreamMessageActionsModalState extends State<StreamMessageActionsModal> {
     return InkWell(
       onTap: () {
         Navigator.pop(context);
-        if (widget.onThreadReplyTap != null) {
+        widget.onThreadReplyTap?.call(widget.message);
-          widget.onThreadReplyTap!(widget.message);
-        }
       },
       child: Padding(
         padding: const EdgeInsets.symmetric(vertical: 11, horizontal: 16),

packages/stream_chat_flutter/lib/src/message_input.dart

@@ -163,7 +163,7 @@ const _kDefaultMaxAttachmentSize = 20971520; // 20MB in Bytes
 class MessageInput extends StatefulWidget {
   /// Instantiate a new MessageInput
   const MessageInput({
-    Key? key,
+    super.key,
     this.onMessageSent,
     this.preMessageSending,
     this.parentMessage,
@@ -197,11 +197,10 @@ class MessageInput extends StatefulWidget {
     this.customOverlays = const [],
     this.mentionAllAppUsers = false,
     this.shouldKeepFocusAfterMessage,
-  })  : assert(
+  }) : assert(
           initialMessage == null || editMessage == null,
           "Can't provide both `initialMessage` and `editMessage`",
-        ),
+        );
-        super(key: key);
 
   /// List of options for showing overlays
   final List<OverlayOptions> customOverlays;
@@ -628,7 +627,7 @@ class MessageInputState extends State<MessageInput> {
               color: _messageInputTheme.expandButtonColor,
             ),
           ),
-          padding: const EdgeInsets.all(0),
+          padding: EdgeInsets.zero,
           constraints: const BoxConstraints.tightFor(
             height: 24,
             width: 24,
@@ -797,7 +796,7 @@ class MessageInputState extends State<MessageInput> {
               child: IconButton(
                 icon: StreamSvgIcon.closeSmall(),
                 splashRadius: 24,
-                padding: const EdgeInsets.all(0),
+                padding: EdgeInsets.zero,
                 constraints: const BoxConstraints.tightFor(
                   height: 24,
                   width: 24,
@@ -980,7 +979,7 @@ class MessageInputState extends State<MessageInput> {
     return AnimatedContainer(
       duration: _openFilePickerSection
           ? const Duration(milliseconds: 300)
-          : const Duration(),
+          : Duration.zero,
       curve: Curves.easeOut,
       height: _openFilePickerSection ? _kMinMediaPickerSize : 0,
       child: SingleChildScrollView(
@@ -1034,7 +1033,7 @@ class MessageInputState extends State<MessageInput> {
                             },
                     ),
                     IconButton(
-                      padding: const EdgeInsets.all(0),
+                      padding: EdgeInsets.zero,
                       icon: StreamSvgIcon.record(
                         color: _getIconColor(3),
                       ),
@@ -1436,9 +1435,9 @@ class MessageInputState extends State<MessageInput> {
           ],
         );
       default:
-        return Container(
+        return const ColoredBox(
           color: Colors.black26,
-          child: const Icon(Icons.insert_drive_file),
+          child: Icon(Icons.insert_drive_file),
         );
     }
   }
@@ -1453,7 +1452,7 @@ class MessageInputState extends State<MessageInput> {
                 ? _messageInputTheme.actionButtonColor
                 : _messageInputTheme.actionButtonIdleColor),
       ),
-      padding: const EdgeInsets.all(0),
+      padding: EdgeInsets.zero,
       constraints: const BoxConstraints.tightFor(
         height: 24,
         width: 24,
@@ -1482,7 +1481,7 @@ class MessageInputState extends State<MessageInput> {
             ? _messageInputTheme.actionButtonColor
             : _messageInputTheme.actionButtonIdleColor,
       ),
-      padding: const EdgeInsets.all(0),
+      padding: EdgeInsets.zero,
       constraints: const BoxConstraints.tightFor(
         height: 24,
         width: 24,
@@ -1699,7 +1698,7 @@ class MessageInputState extends State<MessageInput> {
         padding: const EdgeInsets.all(8),
         child: IconButton(
           onPressed: sendMessage,
-          padding: const EdgeInsets.all(0),
+          padding: EdgeInsets.zero,
           splashRadius: 24,
           constraints: const BoxConstraints.tightFor(
             height: 24,
@@ -1926,7 +1925,6 @@ class MessageInputState extends State<MessageInput> {
 
 class _PickerWidget extends StatefulWidget {
   const _PickerWidget({
-    Key? key,
     required this.filePickerIndex,
     required this.containsFile,
     required this.selectedMedias,
@@ -1934,7 +1932,7 @@ class _PickerWidget extends StatefulWidget {
     required this.onMediaSelected,
     required this.streamChatTheme,
     required this.mediaListViewController,
-  }) : super(key: key);
+  });
 
   final int filePickerIndex;
   final bool containsFile;
@@ -2002,7 +2000,7 @@ class _PickerWidgetState extends State<_PickerWidget> {
           onTap: () async {
             PhotoManager.openSetting();
           },
-          child: Container(
+          child: ColoredBox(
             color: widget.streamChatTheme.colorTheme.inputBg,
             child: Column(
               mainAxisAlignment: MainAxisAlignment.center,
@@ -2040,10 +2038,7 @@ class _PickerWidgetState extends State<_PickerWidget> {
 }
 
 class _CountdownButton extends StatelessWidget {
-  const _CountdownButton({
+  const _CountdownButton({required this.count});
-    Key? key,
-    required this.count,
-  }) : super(key: key);
 
   final int count;
 

packages/stream_chat_flutter/lib/src/message_list_view.dart

@@ -169,7 +169,7 @@ typedef MessageListView = StreamMessageListView;
 class StreamMessageListView extends StatefulWidget {
   /// Instantiate a new StreamMessageListView.
   const StreamMessageListView({
-    Key? key,
+    super.key,
     this.showScrollToBottom = true,
     this.scrollToBottomBuilder,
     this.messageBuilder,
@@ -206,7 +206,7 @@ class StreamMessageListView extends StatefulWidget {
     this.paginationLoadingIndicatorBuilder,
     this.keyboardDismissBehavior = ScrollViewKeyboardDismissBehavior.onDrag,
     this.spacingWidgetBuilder,
-  }) : super(key: key);
+  });
 
   /// [ScrollViewKeyboardDismissBehavior] the defines how this [PositionedList] will
   /// dismiss the keyboard automatically.
@@ -751,7 +751,7 @@ class _StreamMessageListViewState extends State<StreamMessageListView> {
         StreamMessageListViewTheme.of(context).backgroundImage;
 
     if (backgroundColor != null || backgroundImage != null) {
-      return Container(
+      return DecoratedBox(
         decoration: BoxDecoration(
           color: backgroundColor,
           image: backgroundImage,
@@ -889,7 +889,7 @@ class _StreamMessageListViewState extends State<StreamMessageListView> {
       initialIndex = 0;
       await streamChannel!.reloadChannel();
 
-      WidgetsBinding.instance?.addPostFrameCallback((_) {
+      WidgetsBinding.instance.addPostFrameCallback((_) {
         _scrollController!.jumpTo(index: 0);
       });
     } else {
@@ -1039,9 +1039,7 @@ class _StreamMessageListViewState extends State<StreamMessageListView> {
         }
       },
       onMessageTap: (message) {
-        if (widget.onMessageTap != null) {
+        widget.onMessageTap?.call(message);
-          widget.onMessageTap!(message);
-        }
         FocusScope.of(context).unfocus();
       },
       showPinButton: currentUserMember != null &&
@@ -1066,9 +1064,7 @@ class _StreamMessageListViewState extends State<StreamMessageListView> {
           StreamSystemMessage(
             message: message,
             onMessageTap: (message) {
-              if (widget.onSystemMessageTap != null) {
+              widget.onSystemMessageTap?.call(message);
-                widget.onSystemMessageTap!(message);
-              }
               FocusScope.of(context).unfocus();
             },
           );
@@ -1230,9 +1226,7 @@ class _StreamMessageListViewState extends State<StreamMessageListView> {
         }
       },
       onMessageTap: (message) {
-        if (widget.onMessageTap != null) {
+        widget.onMessageTap?.call(message);
-          widget.onMessageTap!(message);
-        }
         FocusScope.of(context).unfocus();
       },
       showPinButton: currentUserMember != null &&
@@ -1287,8 +1281,8 @@ class _StreamMessageListViewState extends State<StreamMessageListView> {
         ),
         duration: const Duration(seconds: 3),
         onEnd: () => initialMessageHighlightComplete = true,
-        builder: (_, color, child) => Container(
+        builder: (_, color, child) => ColoredBox(
-          color: color,
+          color: color!,
           child: child,
         ),
         child: Padding(
@@ -1341,7 +1335,7 @@ class _StreamMessageListViewState extends State<StreamMessageListView> {
         if (event.message?.parentId == widget.parentMessage?.id &&
             event.message!.user!.id ==
                 streamChannel!.channel.client.state.currentUser!.id) {
-          WidgetsBinding.instance!.addPostFrameCallback((_) {
+          WidgetsBinding.instance.addPostFrameCallback((_) {
             _scrollController?.scrollTo(
               index: 0,
               duration: const Duration(seconds: 1),
@@ -1389,11 +1383,10 @@ class _StreamMessageListViewState extends State<StreamMessageListView> {
   void _getOnThreadTap() {
     if (widget.onThreadTap != null) {
       _onThreadTap = (Message message) {
+        final threadBuilder = widget.threadBuilder;
         widget.onThreadTap!(
           message,
-          widget.threadBuilder != null
+          threadBuilder != null ? threadBuilder(context, message) : null,
-              ? widget.threadBuilder!(context, message)
-              : null,
         );
       };
     } else if (widget.threadBuilder != null) {
@@ -1431,13 +1424,12 @@ class _StreamMessageListViewState extends State<StreamMessageListView> {
 
 class _LoadingIndicator extends StatelessWidget {
   const _LoadingIndicator({
-    Key? key,
     required this.streamTheme,
     required this.isThreadConversation,
     required this.direction,
     required this.streamChannel,
     this.indicatorBuilder,
-  }) : super(key: key);
+  });
 
   final StreamChatThemeData streamTheme;
   final bool isThreadConversation;
@@ -1454,7 +1446,7 @@ class _LoadingIndicator extends StatelessWidget {
       key: Key('LOADING-INDICATOR $direction'),
       stream: stream,
       initialData: false,
-      errorBuilder: (context, error) => Container(
+      errorBuilder: (context, error) => ColoredBox(
         color: streamTheme.colorTheme.accentError.withOpacity(0.2),
         child: Center(
           child: Text(context.translations.loadingMessagesError),

packages/stream_chat_flutter/lib/src/message_reactions_modal.dart

@@ -15,14 +15,14 @@ typedef MessageReactionsModal = StreamMessageReactionsModal;
 class StreamMessageReactionsModal extends StatelessWidget {
   /// Constructor for creating a [StreamMessageReactionsModal] reactions
   const StreamMessageReactionsModal({
-    Key? key,
+    super.key,
     required this.message,
     required this.messageWidget,
     required this.messageTheme,
     this.showReactions,
     this.reverse = false,
     this.onUserAvatarTap,
-  }) : super(key: key);
+  });
 
   /// Widget that shows the message
   final Widget messageWidget;

packages/stream_chat_flutter/lib/src/message_search_item.dart

@@ -16,11 +16,11 @@ import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 class MessageSearchItem extends StatelessWidget {
   /// Instantiate a new MessageSearchItem
   const MessageSearchItem({
-    Key? key,
+    super.key,
     required this.getMessageResponse,
     this.onTap,
     this.showOnlineStatus = true,
-  }) : super(key: key);
+  });
 
   /// [Message] displayed
   final GetMessageResponse getMessageResponse;

packages/stream_chat_flutter/lib/src/message_search_list_view.dart

@@ -54,8 +54,9 @@ typedef EmptyMessageSearchBuilder = Widget Function(
 @Deprecated("Use 'StreamMessageSearchListView' instead")
 class MessageSearchListView extends StatefulWidget {
   /// Instantiate a new MessageSearchListView
+  @Deprecated("Use 'StreamMessageSearchListView' instead")
   const MessageSearchListView({
-    Key? key,
+    super.key,
     required this.filters,
     this.messageQuery,
     this.sortOptions,
@@ -72,7 +73,7 @@ class MessageSearchListView extends StatefulWidget {
     this.loadingBuilder,
     this.childBuilder,
     this.messageSearchListController,
-  }) : super(key: key);
+  });
 
   /// Message String to search on
   final String? messageQuery;
@@ -238,7 +239,7 @@ class _MessageSearchListViewState extends State<MessageSearchListView> {
       initialData: false,
       builder: (context, snapshot) {
         if (snapshot.hasError) {
-          return Container(
+          return ColoredBox(
             color: StreamChatTheme.of(context)
                 .colorTheme
                 .accentError

packages/stream_chat_flutter/lib/src/message_text.dart

@@ -14,12 +14,12 @@ typedef MessageText = StreamMessageText;
 class StreamMessageText extends StatelessWidget {
   /// Constructor for creating a [StreamMessageText] widget
   const StreamMessageText({
-    Key? key,
+    super.key,
     required this.message,
     required this.messageTheme,
     this.onMentionTap,
     this.onLinkTap,
-  }) : super(key: key);
+  });
 
   /// Message whose text is to be displayed
   final Message message;

packages/stream_chat_flutter/lib/src/message_widget.dart

@@ -52,7 +52,7 @@ typedef MessageWidget = StreamMessageWidget;
 class StreamMessageWidget extends StatefulWidget {
   /// Creates a new instance of the message widget.
   StreamMessageWidget({
-    Key? key,
+    super.key,
     required this.message,
     required this.messageTheme,
     this.reverse = false,
@@ -105,7 +105,7 @@ class StreamMessageWidget extends StatefulWidget {
     this.customActions = const [],
     this.onAttachmentTap,
     this.usernameBuilder,
-  })  : attachmentBuilders = {
+  }) : attachmentBuilders = {
           'image': (context, message, attachments) {
             final border = RoundedRectangleBorder(
               borderRadius: attachmentBorderRadiusGeometry ?? BorderRadius.zero,
@@ -261,8 +261,7 @@ class StreamMessageWidget extends StatefulWidget {
                   .toList(),
             );
           },
-        }..addAll(customAttachmentBuilders ?? {}),
+        }..addAll(customAttachmentBuilders ?? {});
-        super(key: key);
 
   /// Function called on mention tap
   final void Function(User)? onMentionTap;
@@ -1080,7 +1079,7 @@ class _StreamMessageWidgetState extends State<StreamMessageWidget>
             showTimestamp: false,
             translateUserAvatar: false,
             showSendingIndicator: false,
-            padding: const EdgeInsets.all(0),
+            padding: EdgeInsets.zero,
             showReactionPickerIndicator: widget.showReactions &&
                 (widget.message.status == MessageSendingStatus.sent) &&
                 channel.ownCapabilities.contains(PermissionType.sendReaction),
@@ -1137,7 +1136,7 @@ class _StreamMessageWidgetState extends State<StreamMessageWidget>
             showTimestamp: false,
             translateUserAvatar: false,
             showSendingIndicator: false,
-            padding: const EdgeInsets.all(0),
+            padding: EdgeInsets.zero,
             showReactionPickerIndicator: widget.showReactions &&
                 (widget.message.status == MessageSendingStatus.sent) &&
                 channel.ownCapabilities.contains(PermissionType.sendReaction),
@@ -1401,11 +1400,9 @@ class _StreamMessageWidgetState extends State<StreamMessageWidget>
 
 class _ThreadParticipants extends StatelessWidget {
   const _ThreadParticipants({
-    Key? key,
     required StreamChatThemeData streamChatTheme,
     required this.threadParticipants,
-  })  : _streamChatTheme = streamChatTheme,
+  }) : _streamChatTheme = streamChatTheme;
-        super(key: key);
 
   final StreamChatThemeData _streamChatTheme;
   final Iterable<User> threadParticipants;

packages/stream_chat_flutter/lib/src/multi_overlay.dart

@@ -17,12 +17,12 @@ class StreamMultiOverlay extends StatelessWidget {
   /// [childAnchor] - the anchor relative to the child
   /// [child] - the child widget
   const StreamMultiOverlay({
-    Key? key,
+    super.key,
     required this.overlayOptions,
     required this.child,
     required this.overlayAnchor,
     required this.childAnchor,
-  }) : super(key: key);
+  });
 
   /// The list of overlay options
   final List<OverlayOptions> overlayOptions;

packages/stream_chat_flutter/lib/src/option_list_tile.dart

@@ -11,7 +11,7 @@ typedef OptionListTile = StreamOptionListTile;
 class StreamOptionListTile extends StatelessWidget {
   /// Constructor for creating [StreamOptionListTile]
   const StreamOptionListTile({
-    Key? key,
+    super.key,
     required this.title,
     this.leading,
     this.trailing,
@@ -20,7 +20,7 @@ class StreamOptionListTile extends StatelessWidget {
     this.tileColor,
     this.separatorColor,
     this.titleTextStyle,
-  }) : super(key: key);
+  });
 
   /// Title for tile
   final String title;

packages/stream_chat_flutter/lib/src/quoted_message_widget.dart

@@ -18,7 +18,7 @@ typedef QuotedMessageWidget = StreamQuotedMessageWidget;
 class StreamQuotedMessageWidget extends StatelessWidget {
   /// Creates a new instance of the widget.
   const StreamQuotedMessageWidget({
-    Key? key,
+    super.key,
     required this.message,
     required this.messageTheme,
     this.reverse = false,
@@ -27,7 +27,7 @@ class StreamQuotedMessageWidget extends StatelessWidget {
     this.attachmentThumbnailBuilders,
     this.padding = const EdgeInsets.all(8),
     this.onTap,
-  }) : super(key: key);
+  });
 
   /// The message
   final Message message;
@@ -251,12 +251,10 @@ class StreamQuotedMessageWidget extends StatelessWidget {
 
 class _VideoAttachmentThumbnail extends StatefulWidget {
   const _VideoAttachmentThumbnail({
-    Key? key,
+    super.key,
     required this.attachment,
-    this.size = const Size(32, 32),
+  });
-  }) : super(key: key);
 
-  final Size size;
   final Attachment attachment;
 
   @override
@@ -285,8 +283,8 @@ class _VideoAttachmentThumbnailState extends State<_VideoAttachmentThumbnail> {
 
   @override
   Widget build(BuildContext context) => SizedBox(
-        height: widget.size.height,
+        height: 32,
-        width: widget.size.width,
+        width: 32,
         child: _controller.value.isInitialized
             ? VideoPlayer(_controller)
             : const CircularProgressIndicator(),

packages/stream_chat_flutter/lib/src/reaction_bubble.dart

@@ -14,7 +14,7 @@ typedef ReactionBubble = StreamReactionBubble;
 class StreamReactionBubble extends StatelessWidget {
   /// Constructor for creating a [StreamReactionBubble]
   const StreamReactionBubble({
-    Key? key,
+    super.key,
     required this.reactions,
     required this.borderColor,
     required this.backgroundColor,
@@ -23,7 +23,7 @@ class StreamReactionBubble extends StatelessWidget {
     this.flipTail = false,
     this.highlightOwnReactions = true,
     this.tailCirclesSpacing = 0,
-  }) : super(key: key);
+  });
 
   /// Reactions to show
   final List<Reaction> reactions;

packages/stream_chat_flutter/lib/src/reaction_picker.dart

@@ -19,9 +19,9 @@ typedef ReactionPicker = StreamReactionPicker;
 class StreamReactionPicker extends StatefulWidget {
   /// Constructor for creating a [StreamReactionPicker] widget
   const StreamReactionPicker({
-    Key? key,
+    super.key,
     required this.message,
-  }) : super(key: key);
+  });
 
   /// Message to attach the reaction to
   final Message message;

packages/stream_chat_flutter/lib/src/sending_indicator.dart

@@ -11,11 +11,11 @@ typedef SendingIndicator = StreamSendingIndicator;
 class StreamSendingIndicator extends StatelessWidget {
   /// Constructor for creating a [StreamSendingIndicator] widget
   const StreamSendingIndicator({
-    Key? key,
+    super.key,
     required this.message,
     this.isMessageRead = false,
     this.size = 12,
-  }) : super(key: key);
+  });
 
   /// Message for sending indicator
   final Message message;

packages/stream_chat_flutter/lib/src/stream_chat.dart

@@ -28,14 +28,14 @@ import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 class StreamChat extends StatefulWidget {
   /// Constructor for creating a [StreamChat] widget
   const StreamChat({
-    Key? key,
+    super.key,
     required this.client,
     required this.child,
     this.streamChatThemeData,
     this.onBackgroundEventReceived,
     this.backgroundKeepAlive = const Duration(minutes: 1),
     this.connectivityStream,
-  }) : super(key: key);
+  });
 
   /// Client to do chat ops with
   final StreamChatClient client;

packages/stream_chat_flutter/lib/src/stream_chat_theme.dart

@@ -5,19 +5,16 @@ import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 class StreamChatTheme extends InheritedWidget {
   /// Constructor for creating a [StreamChatTheme]
   const StreamChatTheme({
-    Key? key,
+    super.key,
     required this.data,
-    required Widget child,
+    required super.child,
-  }) : super(
+  });
-          key: key,
-          child: child,
-        );
 
   /// Theme data
   final StreamChatThemeData data;
 
   @override
-  bool updateShouldNotify(StreamChatTheme old) => data != old.data;
+  bool updateShouldNotify(StreamChatTheme oldWidget) => data != oldWidget.data;
 
   /// Use this method to get the current [StreamChatThemeData] instance
   static StreamChatThemeData of(BuildContext context) {

packages/stream_chat_flutter/lib/src/stream_neumorphic_button.dart

@@ -4,10 +4,10 @@ import 'package:flutter/material.dart';
 class StreamNeumorphicButton extends StatelessWidget {
   /// Constructor for creating [StreamNeumorphicButton]
   const StreamNeumorphicButton({
-    Key? key,
+    super.key,
     required this.child,
     this.backgroundColor = Colors.white,
-  }) : super(key: key);
+  });
 
   /// Child contained in the button
   final Widget child;

packages/stream_chat_flutter/lib/src/stream_svg_icon.dart

@@ -5,12 +5,12 @@ import 'package:flutter_svg/flutter_svg.dart';
 class StreamSvgIcon extends StatelessWidget {
   /// Constructor for creating a [StreamSvgIcon]
   const StreamSvgIcon({
-    Key? key,
+    super.key,
     this.assetName,
     this.color,
     this.width = 24,
     this.height = 24,
-  }) : super(key: key);
+  });
 
   /// [StreamSvgIcon] type
   factory StreamSvgIcon.settings({

packages/stream_chat_flutter/lib/src/swipeable.dart

@@ -7,14 +7,14 @@ import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 class Swipeable extends StatefulWidget {
   /// Constructor for creating a [Swipeable] widget
   const Swipeable({
-    Key? key,
+    super.key,
     required this.child,
     required this.backgroundIcon,
     this.onSwipeStart,
     this.onSwipeCancel,
     this.onSwipeEnd,
     this.threshold = 82.0,
-  }) : super(key: key);
+  });
 
   /// Child to make swipeable
   final Widget child;
@@ -77,9 +77,7 @@ class _SwipeableState extends State<Swipeable> with TickerProviderStateMixin {
   }
 
   void _handleDragStart(DragStartDetails details) {
-    if (widget.onSwipeStart != null) {
+    widget.onSwipeStart?.call();
-      widget.onSwipeStart!();
-    }
   }
 
   void _handleDragUpdate(DragUpdateDetails details) {

packages/stream_chat_flutter/lib/src/system_message.dart

@@ -11,10 +11,10 @@ typedef SystemMessage = StreamSystemMessage;
 class StreamSystemMessage extends StatelessWidget {
   /// Constructor for creating a [StreamSystemMessage]
   const StreamSystemMessage({
-    Key? key,
+    super.key,
     required this.message,
     this.onMessageTap,
-  }) : super(key: key);
+  });
 
   /// This message
   final Message message;
@@ -28,11 +28,7 @@ class StreamSystemMessage extends StatelessWidget {
     final theme = StreamChatTheme.of(context);
     return GestureDetector(
       behavior: HitTestBehavior.opaque,
-      onTap: () {
+      onTap: onMessageTap == null ? null : () => onMessageTap!(message),
-        if (onMessageTap != null) {
-          onMessageTap!(message);
-        }
-      },
       child: Text(
         message.text!,
         textAlign: TextAlign.center,

packages/stream_chat_flutter/lib/src/theme/channel_header_theme.dart

@@ -20,10 +20,10 @@ class StreamChannelHeaderTheme extends InheritedTheme {
   ///
   /// The [data] parameter must not be null.
   const StreamChannelHeaderTheme({
-    Key? key,
+    super.key,
     required this.data,
-    required Widget child,
+    required super.child,
-  }) : super(key: key, child: child);
+  });
 
   /// The configuration of this theme.
   final StreamChannelHeaderThemeData data;

packages/stream_chat_flutter/lib/src/theme/channel_list_header_theme.dart

@@ -20,10 +20,10 @@ class StreamChannelListHeaderTheme extends InheritedTheme {
   ///
   /// The [data] parameter must not be null.
   const StreamChannelListHeaderTheme({
-    Key? key,
+    super.key,
     required this.data,
-    required Widget child,
+    required super.child,
-  }) : super(key: key, child: child);
+  });
 
   /// The configuration of this theme.
   final StreamChannelListHeaderThemeData data;

packages/stream_chat_flutter/lib/src/theme/channel_list_view_theme.dart

@@ -18,10 +18,10 @@ class StreamChannelListViewTheme extends InheritedTheme {
   ///
   /// The [data] parameter must not be null.
   const StreamChannelListViewTheme({
-    Key? key,
+    super.key,
     required this.data,
-    required Widget child,
+    required super.child,
-  }) : super(key: key, child: child);
+  });
 
   /// The configuration of this theme.
   final StreamChannelListViewThemeData data;

packages/stream_chat_flutter/lib/src/theme/channel_preview_theme.dart

@@ -19,10 +19,10 @@ class StreamChannelPreviewTheme extends InheritedTheme {
   ///
   /// The [data] parameter must not be null.
   const StreamChannelPreviewTheme({
-    Key? key,
+    super.key,
     required this.data,
-    required Widget child,
+    required super.child,
-  }) : super(key: key, child: child);
+  });
 
   /// The configuration of this theme.
   final StreamChannelPreviewThemeData data;

packages/stream_chat_flutter/lib/src/theme/gallery_footer_theme.dart

@@ -18,10 +18,10 @@ class StreamGalleryFooterTheme extends InheritedTheme {
   ///
   /// The [data] parameter must not be null.
   const StreamGalleryFooterTheme({
-    Key? key,
+    super.key,
     required this.data,
-    required Widget child,
+    required super.child,
-  }) : super(key: key, child: child);
+  });
 
   /// The configuration of this theme.
   final StreamGalleryFooterThemeData data;

packages/stream_chat_flutter/lib/src/theme/gallery_header_theme.dart

@@ -18,10 +18,10 @@ class StreamGalleryHeaderTheme extends InheritedTheme {
   ///
   /// The [data] parameter must not be null.
   const StreamGalleryHeaderTheme({
-    Key? key,
+    super.key,
     required this.data,
-    required Widget child,
+    required super.child,
-  }) : super(key: key, child: child);
+  });
 
   /// The configuration of this theme.
   final StreamGalleryHeaderThemeData data;

packages/stream_chat_flutter/lib/src/theme/message_input_theme.dart

@@ -21,10 +21,10 @@ class StreamMessageInputTheme extends InheritedTheme {
   ///
   /// The [data] parameter must not be null.
   const StreamMessageInputTheme({
-    Key? key,
+    super.key,
     required this.data,
-    required Widget child,
+    required super.child,
-  }) : super(key: key, child: child);
+  });
 
   /// The configuration of this theme.
   final StreamMessageInputThemeData data;

packages/stream_chat_flutter/lib/src/theme/message_list_view_theme.dart

@@ -18,10 +18,10 @@ class StreamMessageListViewTheme extends InheritedTheme {
   ///
   /// The [data] parameter must not be null.
   const StreamMessageListViewTheme({
-    Key? key,
+    super.key,
     required this.data,
-    required Widget child,
+    required super.child,
-  }) : super(key: key, child: child);
+  });
 
   /// The configuration of this theme.
   final StreamMessageListViewThemeData data;

packages/stream_chat_flutter/lib/src/theme/message_search_list_view_theme.dart

@@ -18,10 +18,10 @@ class StreamMessageSearchListViewTheme extends InheritedTheme {
   ///
   /// The [data] parameter must not be null.
   const StreamMessageSearchListViewTheme({
-    Key? key,
+    super.key,
     required this.data,
-    required Widget child,
+    required super.child,
-  }) : super(key: key, child: child);
+  });
 
   /// The configuration of this theme.
   final StreamMessageSearchListViewThemeData data;

packages/stream_chat_flutter/lib/src/theme/user_list_view_theme.dart

@@ -18,10 +18,10 @@ class StreamUserListViewTheme extends InheritedTheme {
   ///
   /// The [data] parameter must not be null.
   const StreamUserListViewTheme({
-    Key? key,
+    super.key,
     required this.data,
-    required Widget child,
+    required super.child,
-  }) : super(key: key, child: child);
+  });
 
   /// The configuration of this theme.
   final StreamUserListViewThemeData data;

packages/stream_chat_flutter/lib/src/thread_header.dart

@@ -66,7 +66,7 @@ class StreamThreadHeader extends StatelessWidget
     implements PreferredSizeWidget {
   /// Instantiate a new ThreadHeader
   const StreamThreadHeader({
-    Key? key,
+    super.key,
     required this.parent,
     this.showBackButton = true,
     this.onBackPressed,
@@ -79,8 +79,7 @@ class StreamThreadHeader extends StatelessWidget
     this.showTypingIndicator = true,
     this.backgroundColor,
     this.elevation = 1,
-  })  : preferredSize = const Size.fromHeight(kToolbarHeight),
+  }) : preferredSize = const Size.fromHeight(kToolbarHeight);
-        super(key: key);
 
   /// True if this header shows the leading back button
   final bool showBackButton;

packages/stream_chat_flutter/lib/src/typing_indicator.dart

@@ -13,13 +13,13 @@ typedef TypingIndicator = StreamTypingIndicator;
 class StreamTypingIndicator extends StatelessWidget {
   /// Instantiate a new TypingIndicator
   const StreamTypingIndicator({
-    Key? key,
+    super.key,
     this.channel,
     this.alternativeWidget,
     this.style,
-    this.padding = const EdgeInsets.all(0),
+    this.padding = EdgeInsets.zero,
     this.parentId,
-  }) : super(key: key);
+  });
 
   /// Style of the text widget
   final TextStyle? style;

packages/stream_chat_flutter/lib/src/unread_indicator.dart

@@ -11,9 +11,9 @@ typedef UnreadIndicator = StreamUnreadIndicator;
 class StreamUnreadIndicator extends StatelessWidget {
   /// Constructor for creating an [StreamUnreadIndicator]
   const StreamUnreadIndicator({
-    Key? key,
+    super.key,
     this.cid,
-  }) : super(key: key);
+  });
 
   /// Channel cid used to retrieve unread count
   final String? cid;

packages/stream_chat_flutter/lib/src/upload_progress_indicator.dart

@@ -11,7 +11,7 @@ typedef UploadProgressIndicator = StreamUploadProgressIndicator;
 class StreamUploadProgressIndicator extends StatelessWidget {
   /// Constructor for creating an [StreamUploadProgressIndicator]
   const StreamUploadProgressIndicator({
-    Key? key,
+    super.key,
     required this.uploaded,
     required this.total,
     this.progressIndicatorColor = const Color(0xffb2b2b2),
@@ -23,7 +23,7 @@ class StreamUploadProgressIndicator extends StatelessWidget {
     ),
     this.showBackground = true,
     this.textStyle,
-  }) : super(key: key);
+  });
 
   /// Bytes uploaded
   final int uploaded;
@@ -72,7 +72,7 @@ class StreamUploadProgressIndicator extends StatelessWidget {
       ),
     );
     if (showBackground) {
-      child = Container(
+      child = DecoratedBox(
         decoration: BoxDecoration(
           borderRadius: BorderRadius.circular(12),
           color: theme.colorTheme.overlayDark.withOpacity(0.6),

packages/stream_chat_flutter/lib/src/user_avatar.dart

@@ -12,7 +12,7 @@ typedef UserAvatar = StreamUserAvatar;
 class StreamUserAvatar extends StatelessWidget {
   /// Constructor to create a [StreamUserAvatar]
   const StreamUserAvatar({
-    Key? key,
+    super.key,
     required this.user,
     this.constraints,
     this.onlineIndicatorConstraints,
@@ -25,7 +25,7 @@ class StreamUserAvatar extends StatelessWidget {
     this.selectionColor,
     this.selectionThickness = 4,
     this.placeholder,
-  }) : super(key: key);
+  });
 
   /// User whose avatar is to displayed
   final User user;
@@ -91,7 +91,7 @@ class StreamUserAvatar extends StatelessWidget {
                 placeholder: placeholder != null
                     ? (context, __) => placeholder(context, user)
                     : null,
-                imageBuilder: (context, imageProvider) => Container(
+                imageBuilder: (context, imageProvider) => DecoratedBox(
                   decoration: BoxDecoration(
                     borderRadius: borderRadius ??
                         streamChatTheme

packages/stream_chat_flutter/lib/src/user_item.dart

@@ -22,14 +22,14 @@ typedef UserItem = StreamUserItem;
 class StreamUserItem extends StatelessWidget {
   /// Instantiate a new UserItem
   const StreamUserItem({
-    Key? key,
+    super.key,
     required this.user,
     this.onTap,
     this.onLongPress,
     this.onImageTap,
     this.selected = false,
     this.showLastOnline = true,
-  }) : super(key: key);
+  });
 
   /// Function called when tapping this widget
   final void Function(User)? onTap;
@@ -53,23 +53,11 @@ class StreamUserItem extends StatelessWidget {
   Widget build(BuildContext context) {
     final chatThemeData = StreamChatTheme.of(context);
     return ListTile(
-      onTap: () {
+      onTap: onTap == null ? null : () => onTap!(user),
-        if (onTap != null) {
+      onLongPress: onLongPress == null ? null : () => onLongPress!(user),
-          onTap!(user);
-        }
-      },
-      onLongPress: () {
-        if (onLongPress != null) {
-          onLongPress!(user);
-        }
-      },
       leading: StreamUserAvatar(
         user: user,
-        onTap: (user) {
+        onTap: onImageTap,
-          if (onImageTap != null) {
-            onImageTap!(user);
-          }
-        },
         constraints: const BoxConstraints.tightFor(
           height: 40,
           width: 40,

packages/stream_chat_flutter/lib/src/user_list_view.dart

@@ -49,8 +49,9 @@ typedef UserItemBuilder = Widget Function(BuildContext, User, bool);
 @Deprecated("Use 'StreamUserListView' instead")
 class UserListView extends StatefulWidget {
   /// Instantiate a new UserListView
+  @Deprecated("Use 'StreamUserListView' instead")
   UserListView({
-    Key? key,
+    super.key,
     this.filter = const Filter.empty(),
     this.sort,
     this.presence,
@@ -79,8 +80,7 @@ class UserListView extends StatefulWidget {
           crossAxisCount == 1 || !groupAlphabetically,
           'Cannot group alphabetically when crossAxisCount > 1',
         ),
-        limit = limit ?? pagination?.limit ?? 30,
+        limit = limit ?? pagination?.limit ?? 30;
-        super(key: key);
 
   /// The query filters to use.
   /// You can query on any of the custom fields you've defined on the [Channel].
@@ -315,7 +315,7 @@ class _UserListViewState extends State<UserListView>
       return item.when(
         headerItem: (header) {
           final chatThemeData = StreamChatTheme.of(context);
-          return Container(
+          return ColoredBox(
             key: ValueKey<String>('HEADER-$header'),
             color: chatThemeData.colorTheme.textHighEmphasis.withOpacity(0.05),
             child: Padding(
@@ -414,7 +414,7 @@ class _UserListViewState extends State<UserListView>
         initialData: false,
         builder: (context, snapshot) {
           if (snapshot.hasError) {
-            return Container(
+            return ColoredBox(
               color: StreamChatTheme.of(context)
                   .colorTheme
                   .accentError

packages/stream_chat_flutter/lib/src/user_mention_tile.dart

@@ -14,12 +14,12 @@ class StreamUserMentionTile extends StatelessWidget {
   /// Constructor for creating a [StreamUserMentionTile] widget
   const StreamUserMentionTile(
     this.user, {
-    Key? key,
+    super.key,
     this.title,
     this.subtitle,
     this.leading,
     this.trailing,
-  }) : super(key: key);
+  });
 
   /// User to display in the tile
   final User user;

packages/stream_chat_flutter/lib/src/user_mentions_overlay.dart

@@ -22,7 +22,7 @@ typedef UserMentionsOverlay = StreamUserMentionsOverlay;
 class StreamUserMentionsOverlay extends StatefulWidget {
   /// Constructor for creating a [StreamUserMentionsOverlay].
   StreamUserMentionsOverlay({
-    Key? key,
+    super.key,
     required this.query,
     required this.channel,
     required this.size,
@@ -38,8 +38,7 @@ class StreamUserMentionsOverlay extends StatefulWidget {
         assert(
           !mentionAllAppUsers || (mentionAllAppUsers && client != null),
           'StreamChatClient is required in order to use mentionAllAppUsers',
-        ),
+        );
-        super(key: key);
 
   /// Query for searching users.
   final String query;
@@ -113,7 +112,7 @@ class _StreamUserMentionsOverlayState extends State<StreamUserMentionsOverlay> {
             if (!snapshot.hasData) return const Offstage();
             final users = snapshot.data!;
             return ListView.builder(
-              padding: const EdgeInsets.all(0),
+              padding: EdgeInsets.zero,
               shrinkWrap: true,
               itemCount: users.length,
               itemBuilder: (context, index) {

packages/stream_chat_flutter/lib/src/v4/message_input/countdown_button.dart

@@ -5,9 +5,9 @@ import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 class StreamCountdownButton extends StatelessWidget {
   /// Constructor for creating [StreamCountdownButton].
   const StreamCountdownButton({
-    Key? key,
+    super.key,
     required this.count,
-  }) : super(key: key);
+  });
 
   /// Count of time remaining to show to the user.
   final int count;