Merge branch 'master' into feature/new-ui

packages/stream_chat_flutter/CHANGELOG.md

@@ -6,6 +6,19 @@
 - Extracted sample app into dedicated [repo](https://github.com/GetStream/flutter-samples)
 - Reimplemented existing widgets using [stream_chat_flutter_core](https://pub.dev/packages/stream_chat_flutter_core)
 
+## 0.2.21
+
+- Add `loadingBuilder` in `MessageListView`
+- Add `messageFilter` property in `MessageListView`
+
+## 0.2.20+4
+
+- Fix channelPreview when the message list is empty
+
+## 0.2.20+3
+
+- Fix reaction picker score indicator
+
 ## 0.2.20+2
 
 - Added `shouldAddChannel` to ChannelsBloc in order to check if a channel has to be added to the list when a new message arrives

packages/stream_chat_flutter/example/lib/tutorial-part-3.dart

@@ -63,7 +63,7 @@ class ChannelListPage extends StatelessWidget {
             }
           },
           channelPreviewBuilder: _channelPreviewBuilder,
-          sort: [SortOption('last_message_at')],
+          // sort: [SortOption('last_message_at')],
           pagination: PaginationParams(
             limit: 20,
           ),
@@ -74,8 +74,10 @@ class ChannelListPage extends StatelessWidget {
   }
 
   Widget _channelPreviewBuilder(BuildContext context, Channel channel) {
-    final lastMessage = channel.state.messages.reversed
-        .firstWhere((message) => !message.isDeleted);
+    final lastMessage = channel.state.messages.reversed.firstWhere(
+      (message) => !message.isDeleted,
+      orElse: () => null,
+    );
 
     final subtitle = (lastMessage == null ? 'nothing yet' : lastMessage.text);
     final opacity = channel.state.unreadCount > .0 ? 1.0 : 0.5;