lint changes media

packages/stream_chat_flutter/lib/src/full_screen_media.dart

@@ -8,24 +8,24 @@ import 'package:jiffy/jiffy.dart';
 import 'package:photo_view/photo_view.dart';
 import 'package:stream_chat_flutter/src/image_footer.dart';
 import 'package:stream_chat_flutter/src/image_header.dart';
+import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 import 'package:video_player/video_player.dart';
 
-import '../stream_chat_flutter.dart';
+/// Return action for coming back from pages
+enum ReturnActionType {
 
-enum ReturnActionType { none, reply }
+  /// No return action
+  none,
 
+  /// Go to reply message action
+  reply,
+}
+
+/// Callback when show message is tapped
 typedef ShowMessageCallback = void Function(Message message, Channel channel);
 
 /// A full screen image widget
 class FullScreenMedia extends StatefulWidget {
-  /// The url of the image
-  final List<Attachment> mediaAttachments;
-  final Message message;
-
-  final int startIndex;
-  final String userName;
-  final ShowMessageCallback? onShowMessage;
-
   /// Instantiate a new FullScreenImage
   const FullScreenMedia({
     Key? key,
@@ -37,6 +37,21 @@ class FullScreenMedia extends StatefulWidget {
   })  : userName = userName ?? '',
         super(key: key);
 
+  /// The url of the image
+  final List<Attachment> mediaAttachments;
+
+  /// Message where attachments are attached
+  final Message message;
+
+  /// First index of media shown
+  final int startIndex;
+
+  /// Username of sender
+  final String userName;
+
+  /// Callback for when show message is tapped
+  final ShowMessageCallback? onShowMessage;
+
   @override
   _FullScreenMediaState createState() => _FullScreenMediaState();
 }
@@ -57,7 +72,7 @@ class _FullScreenMediaState extends State<FullScreenMedia>
     super.initState();
     _controller = AnimationController(
       vsync: this,
-      duration: Duration(milliseconds: 300),
+      duration: const Duration(milliseconds: 300),
     );
     _pageController = PageController(initialPage: widget.startIndex);
     _currentPage = widget.startIndex;
@@ -77,15 +92,13 @@ class _FullScreenMediaState extends State<FullScreenMedia>
   }
 
   @override
-  Widget build(BuildContext context) {
+  Widget build(BuildContext context) => Scaffold(
-    return Scaffold(
         resizeToAvoidBottomInset: false,
         body: Stack(
           children: [
             AnimatedBuilder(
                 animation: _controller,
-              builder: (context, snapshot) {
+                builder: (context, snapshot) => PageView.builder(
-                return PageView.builder(
                       controller: _pageController,
                       onPageChanged: (val) {
                         setState(() {
@@ -133,7 +146,7 @@ class _FullScreenMediaState extends State<FullScreenMedia>
                         } else if (attachment.type == 'video') {
                           final controller = videoPackages[attachment.id]!;
                           if (!controller.initialized) {
-                        return Center(
+                            return const Center(
                               child: CircularProgressIndicator(),
                             );
                           }
@@ -161,17 +174,17 @@ class _FullScreenMediaState extends State<FullScreenMedia>
                         return Container();
                       },
                       itemCount: widget.mediaAttachments.length,
-                );
+                    )),
-              }),
             AnimatedOpacity(
               opacity: _optionsShown ? 1.0 : 0.0,
-            duration: Duration(milliseconds: 300),
+              duration: const Duration(milliseconds: 300),
               child: Column(
                 mainAxisAlignment: MainAxisAlignment.spaceBetween,
                 children: [
                   ImageHeader(
                     userName: widget.userName,
                     sentAt:
+                        // ignore: lines_longer_than_80_chars
                         'Sent ${getDay(widget.message.createdAt.toLocal())} at ${Jiffy(widget.message.createdAt.toLocal()).format('HH:mm')}',
                     onBackPressed: () {
                       Navigator.of(context).pop();
@@ -196,7 +209,7 @@ class _FullScreenMediaState extends State<FullScreenMedia>
                           _currentPage = val;
                           _pageController.animateToPage(
                             val,
-                          duration: Duration(milliseconds: 300),
+                            duration: const Duration(milliseconds: 300),
                             curve: Curves.easeInOut,
                           );
                           Navigator.pop(context);
@@ -209,7 +222,6 @@ class _FullScreenMediaState extends State<FullScreenMedia>
           ],
         ),
       );
-  }
 
   String getDay(DateTime dateTime) {
     final now = DateTime.now();
@@ -236,18 +248,9 @@ class _FullScreenMediaState extends State<FullScreenMedia>
   }
 }
 
+/// Class for packaging up things required for videos
 class VideoPackage {
-  final bool _showControls;
+  /// Constructor for creating [VideoPackage]
-  final bool _autoInitialize;
-  final VideoPlayerController _videoPlayerController;
-  ChewieController? _chewieController;
-
-  VideoPlayerController get videoPlayer => _videoPlayerController;
-
-  ChewieController? get chewieController => _chewieController;
-
-  bool get initialized => _videoPlayerController.value.isInitialized;
-
   VideoPackage(
       Attachment attachment, {
         bool showControls = false,
@@ -258,8 +261,22 @@ class VideoPackage {
             ? VideoPlayerController.file(File.fromUri(attachment.localUri!))
             : VideoPlayerController.network(attachment.assetUrl!);
 
-  Future<void> initialize() {
+  final bool _showControls;
-    return _videoPlayerController.initialize().then((_) {
+  final bool _autoInitialize;
+  final VideoPlayerController _videoPlayerController;
+  ChewieController? _chewieController;
+
+  /// Get video player for video
+  VideoPlayerController get videoPlayer => _videoPlayerController;
+
+  /// Get [ChewieController] for video
+  ChewieController? get chewieController => _chewieController;
+
+  /// Check if controller is initialised
+  bool get initialized => _videoPlayerController.value.isInitialized;
+
+  /// Initialize all things required for [VideoPackage]
+  Future<void> initialize() => _videoPlayerController.initialize().then((_) {
         _chewieController = ChewieController(
           videoPlayerController: _videoPlayerController,
           autoInitialize: _autoInitialize,
@@ -267,16 +284,16 @@ class VideoPackage {
           aspectRatio: _videoPlayerController.value.aspectRatio,
         );
       });
-  }
 
-  void addListener(VoidCallback listener) {
+  /// Add a listener to video player controller
-    return _videoPlayerController.addListener(listener);
+  void addListener(VoidCallback listener) =>
-  }
+      _videoPlayerController.addListener(listener);
 
-  void removeListener(VoidCallback listener) {
+  /// Remove a listener to video player controller
-    return _videoPlayerController.removeListener(listener);
+  void removeListener(VoidCallback listener) =>
-  }
+      _videoPlayerController.removeListener(listener);
 
+  /// Dispose controllers
   Future<void> dispose() {
     _chewieController?.dispose();
     return _videoPlayerController.dispose();

packages/stream_chat_flutter/lib/src/group_image.dart

@@ -1,9 +1,10 @@
 import 'package:cached_network_image/cached_network_image.dart';
 import 'package:flutter/material.dart';
+import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 
-import '../stream_chat_flutter.dart';
+/// Widget for constructing a group of images
-
 class GroupImage extends StatelessWidget {
+  /// Constructor for creating a [GroupImage]
   const GroupImage({
     Key? key,
     required this.images,
@@ -15,17 +16,30 @@ class GroupImage extends StatelessWidget {
     this.selectionThickness = 4,
   }) : super(key: key);
 
+  /// List of images to display
   final List<String> images;
+
+  /// Constraints on the widget
   final BoxConstraints? constraints;
+
+  /// Callback when widget is tapped
   final VoidCallback? onTap;
+
+  /// Highlights if selected
   final bool selected;
+
+  /// [BorderRadius] to pass to the widget
   final BorderRadius? borderRadius;
+
+  /// Color of selection if selected
   final Color? selectionColor;
+
+  /// Thickness with which color of selection is shown
   final double selectionThickness;
 
   @override
   Widget build(BuildContext context) {
-    var avatar;
+    Widget? avatar;
     final streamChatTheme = StreamChatTheme.of(context);
 
     avatar = GestureDetector(