lint

packages/stream_chat_flutter/lib/src/typing_indicator.dart

@@ -26,6 +26,7 @@ class TypingIndicator extends StatelessWidget {
   /// The padding of this widget
   final EdgeInsets padding;
 
+  /// Alignment of the typing indicator
   final Alignment alignment;
 
   @override
@@ -35,41 +36,40 @@ class TypingIndicator extends StatelessWidget {
     return StreamBuilder<List<User>>(
       initialData: channelState.typingEvents,
       stream: channelState.typingEventsStream,
-      builder: (context, snapshot) {
+      builder: (context, snapshot) => AnimatedSwitcher(
-        return AnimatedSwitcher(
+        duration: const Duration(milliseconds: 300),
-          duration: Duration(milliseconds: 300),
+        child: snapshot.data?.isNotEmpty == true
-          child: snapshot.data?.isNotEmpty == true
+            ? Padding(
-              ? Padding(
+                padding: padding,
-                  padding: padding,
+                child: Align(
-                  child: Align(
+                  key: const Key('typings'),
-                    key: Key('typings'),
-                    alignment: alignment,
-                    child: Row(
-                      mainAxisSize: MainAxisSize.min,
-                      children: [
-                        Lottie.asset(
-                          'animations/typing_dots.json',
-                          package: 'stream_chat_flutter',
-                          height: 4,
-                        ),
-                        Text(
-                          '  ${snapshot.data![0].name}${snapshot.data!.length == 1 ? '' : ' and ${snapshot.data!.length - 1} more'} ${snapshot.data!.length == 1 ? 'is' : 'are'} typing',
-                          maxLines: 1,
-                          style: style,
-                        ),
-                      ],
-                    ),
-                  ),
-                )
-              : Align(
-                  key: Key('alternative'),
                   alignment: alignment,
-                  child: Container(
+                  child: Row(
-                    child: alternativeWidget ?? Offstage(),
+                    mainAxisSize: MainAxisSize.min,
+                    children: [
+                      Lottie.asset(
+                        'animations/typing_dots.json',
+                        package: 'stream_chat_flutter',
+                        height: 4,
+                      ),
+                      Text(
+                        // ignore: lines_longer_than_80_chars
+                        '  ${snapshot.data![0].name}${snapshot.data!.length == 1 ? '' : ' and ${snapshot.data!.length - 1} more'} ${snapshot.data!.length == 1 ? 'is' : 'are'} typing',
+                        maxLines: 1,
+                        style: style,
+                      ),
+                    ],
                   ),
                 ),
-        );
+              )
-      },
+            : Align(
+                key: const Key('alternative'),
+                alignment: alignment,
+                child: Container(
+                  child: alternativeWidget ?? const Offstage(),
+                ),
+              ),
+      ),
     );
   }
 }

packages/stream_chat_flutter/lib/src/unread_indicator.dart

@@ -2,7 +2,9 @@ import 'package:flutter/material.dart';
 import 'package:stream_chat_flutter/src/stream_chat_theme.dart';
 import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 
+/// Widget for showing an unread indicator
 class UnreadIndicator extends StatelessWidget {
+  /// Constructor for creating an [UnreadIndicator]
   const UnreadIndicator({
     Key? key,
     this.cid,
@@ -24,7 +26,7 @@ class UnreadIndicator extends StatelessWidget {
             : client.state.totalUnreadCount,
         builder: (context, snapshot) {
           if (!snapshot.hasData || snapshot.data == 0) {
-            return SizedBox();
+            return const SizedBox();
           }
           return Material(
             borderRadius: BorderRadius.circular(8),
@@ -41,7 +43,7 @@ class UnreadIndicator extends StatelessWidget {
               child: Center(
                 child: Text(
                   '${snapshot.data! > 99 ? '99+' : snapshot.data}',
-                  style: TextStyle(
+                  style: const TextStyle(
                     fontSize: 11,
                     color: Colors.white,
                   ),

packages/stream_chat_flutter/lib/src/upload_progress_indicator.dart

@@ -1,15 +1,9 @@
 import 'package:flutter/material.dart';
+import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 
-import 'stream_chat_theme.dart';
+/// Widget for showing upload progress
-
 class UploadProgressIndicator extends StatelessWidget {
-  final int uploaded;
+  /// Constructor for creating an [UploadProgressIndicator]
-  final int total;
-  final Color progressIndicatorColor;
-  final EdgeInsetsGeometry padding;
-  final bool showBackground;
-  final TextStyle? textStyle;
-
   const UploadProgressIndicator({
     Key? key,
     required this.uploaded,
@@ -25,6 +19,24 @@ class UploadProgressIndicator extends StatelessWidget {
     this.textStyle,
   }) : super(key: key);
 
+  /// Bytes uploaded
+  final int uploaded;
+
+  /// Total bytes
+  final int total;
+
+  /// Color of progress indicator
+  final Color progressIndicatorColor;
+
+  /// Padding for widget
+  final EdgeInsetsGeometry padding;
+
+  /// Flag for showing background
+  final bool showBackground;
+
+  /// [TextStyle] to be applied to text
+  final TextStyle? textStyle;
+
   @override
   Widget build(BuildContext context) {
     final theme = StreamChatTheme.of(context);
@@ -42,7 +54,7 @@ class UploadProgressIndicator extends StatelessWidget {
               valueColor: AlwaysStoppedAnimation(progressIndicatorColor),
             ),
           ),
-          SizedBox(width: 8),
+          const SizedBox(width: 8),
           Text(
             '${_percentage.toInt()}%',
             style: textStyle ??