lint

packages/stream_chat_flutter/lib/src/swipeable.dart

@@ -1,27 +1,38 @@
 import 'dart:math' as math;
 
 import 'package:flutter/material.dart';
+import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 
-import 'stream_chat_theme.dart';
+/// Widget to make a swipeable tile
-
-///
 class Swipeable extends StatefulWidget {
-  final Widget child;
+  /// Constructor for creating a [Swipeable] widget
-  final Widget backgroundIcon;
-  final VoidCallback? onSwipeStart;
-  final VoidCallback? onSwipeCancel;
-  final VoidCallback? onSwipeEnd;
-  final double threshold;
-
-  ///
   const Swipeable({
+    Key? 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;
+
+  /// Background icon after swipe
+  final Widget backgroundIcon;
+
+  /// Callback when swipe starts
+  final VoidCallback? onSwipeStart;
+
+  /// Callback when swipe is cancelled
+  final VoidCallback? onSwipeCancel;
+
+  /// Callback when swipe ends
+  final VoidCallback? onSwipeEnd;
+
+  /// Threshold for swipe
+  final double threshold;
 
   @override
   State<StatefulWidget> createState() => _SwipeableState();
@@ -45,10 +56,10 @@ class _SwipeableState extends State<Swipeable> with TickerProviderStateMixin {
         AnimationController(duration: _animationDuration, vsync: this);
     _iconMoveController =
         AnimationController(duration: _animationDuration, vsync: this);
-    _moveAnimation = Tween<Offset>(begin: Offset.zero, end: Offset(1, 0))
+    _moveAnimation = Tween<Offset>(begin: Offset.zero, end: const Offset(1, 0))
         .animate(_moveController);
     _iconTransitionAnimation =
-        Tween<Offset>(begin: Offset(-0.1, 0), end: Offset(0.4, 0))
+        Tween<Offset>(begin: const Offset(-0.1, 0), end: const Offset(0.4, 0))
             .animate(_moveController);
     _iconFadeAnimation =
         Tween<double>(begin: 0.7, end: 1).animate(_iconMoveController);
@@ -120,8 +131,7 @@ class _SwipeableState extends State<Swipeable> with TickerProviderStateMixin {
   }
 
   @override
-  Widget build(BuildContext context) {
+  Widget build(BuildContext context) => GestureDetector(
-    return GestureDetector(
         onHorizontalDragStart: _handleDragStart,
         onHorizontalDragUpdate: _handleDragUpdate,
         onHorizontalDragEnd: _handleDragEnd,
@@ -159,5 +169,4 @@ class _SwipeableState extends State<Swipeable> with TickerProviderStateMixin {
           ],
         ),
       );
-  }
 }

packages/stream_chat_flutter/lib/src/system_message.dart

@@ -3,18 +3,20 @@ import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 
 /// It shows a date divider depending on the date difference
 class SystemMessage extends StatelessWidget {
-  /// This message
+  /// Constructor for creating a [SystemMessage]
-  final Message message;
-
-  /// The function called when tapping on the message when the message is not failed
-  final void Function(Message)? onMessageTap;
-
   const SystemMessage({
     Key? key,
     required this.message,
     this.onMessageTap,
   }) : super(key: key);
 
+  /// This message
+  final Message message;
+
+  // ignore: lines_longer_than_80_chars
+  /// The function called when tapping on the message when the message is not failed
+  final void Function(Message)? onMessageTap;
+
   @override
   Widget build(BuildContext context) {
     final theme = StreamChatTheme.of(context);

packages/stream_chat_flutter/lib/src/thread_header.dart

@@ -3,9 +3,6 @@ import 'package:stream_chat_flutter/src/stream_chat_theme.dart';
 import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 import 'package:stream_chat_flutter_core/stream_chat_flutter_core.dart';
 
-import 'back_button.dart';
-import 'channel_name.dart';
-
 /// ![screenshot](https://raw.githubusercontent.com/GetStream/stream-chat-flutter/master/screenshots/thread_header.png)
 /// ![screenshot](https://raw.githubusercontent.com/GetStream/stream-chat-flutter/master/screenshots/thread_header_paint.png)
 ///
@@ -46,16 +43,34 @@ import 'channel_name.dart';
 /// Usually you would use this widget as an [AppBar] inside a [Scaffold].
 /// However you can also use it as a normal widget.
 ///
-/// Make sure to have a [StreamChannel] ancestor in order to provide the information about the channel.
+/// Make sure to have a [StreamChannel] ancestor in order to provide the
-/// Every part of the widget uses a [StreamBuilder] to render the channel information as soon as it updates.
+/// information about the channel.
+/// Every part of the widget uses a [StreamBuilder] to render the channel
+/// information as soon as it updates.
 ///
 /// By default the widget shows a backButton that calls [Navigator.pop].
-/// You can disable this button using the [showBackButton] property of just override the behaviour
+/// You can disable this button using the [showBackButton] property of just
+/// override the behaviour
 /// with [onBackPressed].
 ///
-/// The widget components render the ui based on the first ancestor of type [StreamChatTheme] and on its [ChannelTheme.channelHeaderTheme] property.
+/// The widget components render the ui based on the first ancestor of type
+/// [StreamChatTheme] and on its [ChannelTheme.channelHeaderTheme] property.
 /// Modify it to change the widget appearance.
 class ThreadHeader extends StatelessWidget implements PreferredSizeWidget {
+  /// Instantiate a new ThreadHeader
+  const ThreadHeader({
+    Key? key,
+    required this.parent,
+    this.showBackButton = true,
+    this.onBackPressed,
+    this.title,
+    this.subtitle,
+    this.leading,
+    this.actions,
+    this.onTitleTap,
+  })  : preferredSize = const Size.fromHeight(kToolbarHeight),
+        super(key: key);
+
   /// True if this header shows the leading back button
   final bool showBackButton;
 
@@ -81,23 +96,8 @@ class ThreadHeader extends StatelessWidget implements PreferredSizeWidget {
   /// AppBar actions
   final List<Widget>? actions;
 
-  /// Instantiate a new ThreadHeader
-  ThreadHeader({
-    Key? key,
-    required this.parent,
-    this.showBackButton = true,
-    this.onBackPressed,
-    this.title,
-    this.subtitle,
-    this.leading,
-    this.actions,
-    this.onTitleTap,
-  })  : preferredSize = Size.fromHeight(kToolbarHeight),
-        super(key: key);
-
   @override
-  Widget build(BuildContext context) {
+  Widget build(BuildContext context) => AppBar(
-    return AppBar(
         automaticallyImplyLeading: false,
         brightness: Theme.of(context).brightness,
         elevation: 1,
@@ -108,14 +108,14 @@ class ThreadHeader extends StatelessWidget implements PreferredSizeWidget {
                     onPressed: onBackPressed,
                     showUnreads: true,
                   )
-              : SizedBox()),
+                : const SizedBox()),
         backgroundColor:
             StreamChatTheme.of(context).channelTheme.channelHeaderTheme.color,
         centerTitle: true,
         actions: actions,
         title: InkWell(
           onTap: onTitleTap,
-        child: Container(
+          child: SizedBox(
             height: preferredSize.height,
             child: Column(
               mainAxisAlignment: MainAxisAlignment.center,
@@ -128,7 +128,7 @@ class ThreadHeader extends StatelessWidget implements PreferredSizeWidget {
                           .channelHeaderTheme
                           .title,
                     ),
-              SizedBox(height: 2),
+                const SizedBox(height: 2),
                 subtitle ??
                     Row(
                       mainAxisSize: MainAxisSize.min,
@@ -156,7 +156,6 @@ class ThreadHeader extends StatelessWidget implements PreferredSizeWidget {
           ),
         ),
       );
-  }
 
   @override
   final Size preferredSize;