Merge branch 'feature/new-ui' into feature/theme

lib/src/channel_preview.dart

@@ -7,6 +7,7 @@ import 'package:stream_chat_flutter/src/stream_svg_icon.dart';
 import '../stream_chat_flutter.dart';
 import 'channel_name.dart';
 import 'channel_unread_indicator.dart';
+import 'chat_info_screen.dart';
 
 /// ![screenshot](https://raw.githubusercontent.com/GetStream/stream-chat-flutter/master/screenshots/channel_preview.png)
 /// ![screenshot](https://raw.githubusercontent.com/GetStream/stream-chat-flutter/master/screenshots/channel_preview_paint.png)
@@ -63,7 +64,29 @@ class ChannelPreview extends StatelessWidget {
                 }
               },
               leading: ChannelImage(
-                onTap: onImageTap,
+                onTap: onImageTap ??
+                    () {
+                      if (channel.memberCount == 2 && channel.isDistinct) {
+                        final currentUser = StreamChat.of(context).user;
+                        final otherUser = channel.state.members.firstWhere(
+                          (element) => element.user.id != currentUser.id,
+                          orElse: () => null,
+                        );
+                        if (otherUser != null) {
+                          Navigator.push(
+                            context,
+                            MaterialPageRoute(
+                              builder: (context) => StreamChannel(
+                                channel: channel,
+                                child: ChatInfoScreen(
+                                  user: otherUser.user,
+                                ),
+                              ),
+                            ),
+                          );
+                        }
+                      }
+                    },
               ),
               title: Row(
                 mainAxisAlignment: MainAxisAlignment.spaceBetween,