chore: fix analysis.

Signed-off-by: xsahil03x <[email protected]>

packages/stream_chat_flutter/example/lib/main.dart

@@ -1,6 +1,8 @@
 // ignore_for_file: public_member_api_docs
 
 import 'dart:async';
+import 'dart:math' as math;
+import 'dart:ui';
 
 import 'package:flutter/material.dart';
 import 'package:responsive_builder/responsive_builder.dart';
@@ -277,19 +279,84 @@ class _ChannelPageState extends State<ChannelPage> {
               children: <Widget>[
                 Expanded(
                   child: StreamMessageListView(
-                    onMessageSwiped:
-                        (CurrentPlatform.isAndroid || CurrentPlatform.isIos)
-                            ? reply
-                            : null,
                     threadBuilder: (context, parent) {
                       return ThreadPage(
                         parent: parent!,
                       );
                     },
-                    messageBuilder:
+                    messageBuilder: (
-                        (context, details, messages, defaultWidget) {
+                      context,
-                      return defaultWidget.copyWith(
+                      messageDetails,
-                        onReplyTap: reply,
+                      messages,
+                      defaultWidget,
+                    ) {
+                      // The threshold after which the message is considered
+                      // swiped.
+                      const threshold = 0.2;
+
+                      final isMyMessage = messageDetails.isMyMessage;
+
+                      // The direction in which the message can be swiped.
+                      final swipeDirection = isMyMessage
+                          ? SwipeDirection.endToStart //
+                          : SwipeDirection.startToEnd;
+
+                      return Swipeable(
+                        key: ValueKey(messageDetails.message.id),
+                        direction: swipeDirection,
+                        swipeThreshold: threshold,
+                        onSwiped: (details) => reply(messageDetails.message),
+                        backgroundBuilder: (context, details) {
+                          // The alignment of the swipe action.
+                          final alignment = isMyMessage
+                              ? Alignment.centerRight //
+                              : Alignment.centerLeft;
+
+                          // The progress of the swipe action.
+                          final progress =
+                              math.min(details.progress, threshold) / threshold;
+
+                          // The offset for the reply icon.
+                          var offset = Offset.lerp(
+                            const Offset(-24, 0),
+                            const Offset(12, 0),
+                            progress,
+                          )!;
+
+                          // If the message is mine, we need to flip the offset.
+                          if (isMyMessage) {
+                            offset = Offset(-offset.dx, -offset.dy);
+                          }
+
+                          final _streamTheme = StreamChatTheme.of(context);
+
+                          return Align(
+                            alignment: alignment,
+                            child: Transform.translate(
+                              offset: offset,
+                              child: Opacity(
+                                opacity: progress,
+                                child: SizedBox.square(
+                                  dimension: 30,
+                                  child: CustomPaint(
+                                    painter: AnimatedCircleBorderPainter(
+                                      progress: progress,
+                                      color: _streamTheme.colorTheme.borders,
+                                    ),
+                                    child: Center(
+                                      child: StreamSvgIcon.reply(
+                                        size: lerpDouble(0, 18, progress),
+                                        color: _streamTheme
+                                            .colorTheme.accentPrimary,
+                                      ),
+                                    ),
+                                  ),
+                                ),
+                              ),
+                            ),
+                          );
+                        },
+                        child: defaultWidget.copyWith(onReplyTap: reply),
                       );
                     },
                   ),

packages/stream_chat_flutter/lib/src/message_list_view/message_list_view.dart

@@ -12,8 +12,6 @@ import 'package:stream_chat_flutter/src/message_list_view/loading_indicator.dart
 import 'package:stream_chat_flutter/src/message_list_view/mlv_utils.dart';
 import 'package:stream_chat_flutter/src/message_list_view/thread_separator.dart';
 import 'package:stream_chat_flutter/src/message_list_view/unread_messages_separator.dart';
-import 'package:stream_chat_flutter/src/misc/animated_circle_border_painter.dart';
-import 'package:stream_chat_flutter/src/misc/swipeable.dart';
 import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 
 /// Spacing Types (These are properties of a message to help inform the decision