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;
-  final Widget backgroundIcon;
-  final VoidCallback? onSwipeStart;
-  final VoidCallback? onSwipeCancel;
-  final VoidCallback? onSwipeEnd;
-  final double threshold;
-
-  ///
+  /// Constructor for creating a [Swipeable] widget
   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);
@@ -120,44 +131,42 @@ class _SwipeableState extends State<Swipeable> with TickerProviderStateMixin {
   }
 
   @override
-  Widget build(BuildContext context) {
-    return GestureDetector(
-      onHorizontalDragStart: _handleDragStart,
-      onHorizontalDragUpdate: _handleDragUpdate,
-      onHorizontalDragEnd: _handleDragEnd,
-      behavior: HitTestBehavior.opaque,
-      child: Stack(
-        alignment: Alignment.center,
-        fit: StackFit.passthrough,
-        children: [
-          SlideTransition(
-            position: _iconTransitionAnimation,
-            child: Row(
-              children: [
-                FadeTransition(
-                  opacity: _iconFadeAnimation,
-                  child: Container(
-                    padding: const EdgeInsets.all(4),
-                    decoration: BoxDecoration(
-                      shape: BoxShape.circle,
-                      border: Border.all(
-                        color: StreamChatTheme.of(context)
-                            .colorTheme
-                            .greyGainsboro,
+  Widget build(BuildContext context) => GestureDetector(
+        onHorizontalDragStart: _handleDragStart,
+        onHorizontalDragUpdate: _handleDragUpdate,
+        onHorizontalDragEnd: _handleDragEnd,
+        behavior: HitTestBehavior.opaque,
+        child: Stack(
+          alignment: Alignment.center,
+          fit: StackFit.passthrough,
+          children: [
+            SlideTransition(
+              position: _iconTransitionAnimation,
+              child: Row(
+                children: [
+                  FadeTransition(
+                    opacity: _iconFadeAnimation,
+                    child: Container(
+                      padding: const EdgeInsets.all(4),
+                      decoration: BoxDecoration(
+                        shape: BoxShape.circle,
+                        border: Border.all(
+                          color: StreamChatTheme.of(context)
+                              .colorTheme
+                              .greyGainsboro,
+                        ),
                       ),
+                      child: widget.backgroundIcon,
                     ),
-                    child: widget.backgroundIcon,
                   ),
-                ),
-              ],
+                ],
+              ),
             ),
-          ),
-          SlideTransition(
-            position: _moveAnimation,
-            child: widget.child,
-          ),
-        ],
-      ),
-    );
-  }
+            SlideTransition(
+              position: _moveAnimation,
+              child: widget.child,
+            ),
+          ],
+        ),
+      );
 }

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
-  final Message message;
-
-  /// The function called when tapping on the message when the message is not failed
-  final void Function(Message)? onMessageTap;
-
+  /// Constructor for creating a [SystemMessage]
   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.
-/// Every part of the widget uses a [StreamBuilder] to render the channel information as soon as it updates.
+/// Make sure to have a [StreamChannel] ancestor in order to provide the
+/// 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;
 
@@ -81,82 +96,66 @@ 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) {
-    return AppBar(
-      automaticallyImplyLeading: false,
-      brightness: Theme.of(context).brightness,
-      elevation: 1,
-      leading: leading ??
-          (showBackButton
-              ? StreamBackButton(
-                  cid: StreamChannel.of(context).channel.cid,
-                  onPressed: onBackPressed,
-                  showUnreads: true,
-                )
-              : SizedBox()),
-      backgroundColor:
-          StreamChatTheme.of(context).channelTheme.channelHeaderTheme.color,
-      centerTitle: true,
-      actions: actions,
-      title: InkWell(
-        onTap: onTitleTap,
-        child: Container(
-          height: preferredSize.height,
-          child: Column(
-            mainAxisAlignment: MainAxisAlignment.center,
-            children: [
-              title ??
-                  Text(
-                    'Thread Reply',
-                    style: StreamChatTheme.of(context)
-                        .channelTheme
-                        .channelHeaderTheme
-                        .title,
-                  ),
-              SizedBox(height: 2),
-              subtitle ??
-                  Row(
-                    mainAxisSize: MainAxisSize.min,
-                    mainAxisAlignment: MainAxisAlignment.center,
-                    children: [
-                      Text(
-                        'with ',
-                        style: StreamChatTheme.of(context)
-                            .channelTheme
-                            .channelHeaderTheme
-                            .subtitle,
-                      ),
-                      Flexible(
-                        child: ChannelName(
-                          textStyle: StreamChatTheme.of(context)
+  Widget build(BuildContext context) => AppBar(
+        automaticallyImplyLeading: false,
+        brightness: Theme.of(context).brightness,
+        elevation: 1,
+        leading: leading ??
+            (showBackButton
+                ? StreamBackButton(
+                    cid: StreamChannel.of(context).channel.cid,
+                    onPressed: onBackPressed,
+                    showUnreads: true,
+                  )
+                : const SizedBox()),
+        backgroundColor:
+            StreamChatTheme.of(context).channelTheme.channelHeaderTheme.color,
+        centerTitle: true,
+        actions: actions,
+        title: InkWell(
+          onTap: onTitleTap,
+          child: SizedBox(
+            height: preferredSize.height,
+            child: Column(
+              mainAxisAlignment: MainAxisAlignment.center,
+              children: [
+                title ??
+                    Text(
+                      'Thread Reply',
+                      style: StreamChatTheme.of(context)
+                          .channelTheme
+                          .channelHeaderTheme
+                          .title,
+                    ),
+                const SizedBox(height: 2),
+                subtitle ??
+                    Row(
+                      mainAxisSize: MainAxisSize.min,
+                      mainAxisAlignment: MainAxisAlignment.center,
+                      children: [
+                        Text(
+                          'with ',
+                          style: StreamChatTheme.of(context)
                               .channelTheme
                               .channelHeaderTheme
                               .subtitle,
                         ),
-                      ),
-                    ],
-                  ),
-            ],
+                        Flexible(
+                          child: ChannelName(
+                            textStyle: StreamChatTheme.of(context)
+                                .channelTheme
+                                .channelHeaderTheme
+                                .subtitle,
+                          ),
+                        ),
+                      ],
+                    ),
+              ],
+            ),
           ),
         ),
-      ),
-    );
-  }
+      );
 
   @override
   final Size preferredSize;