Reduced the code

docusaurus/docs/Flutter/guides/adding_chat_to_video_livestreams.mdx

@@ -61,50 +61,10 @@ The second type looks like this:
 
 ![](../assets/live_stream_2.jpg)
 
-We can use a `Stack` for achieving this, here's a complete working implementation:
+We can use a `Stack` for achieving this:
 
 ```dart
-class MyApp extends StatelessWidget {
+Stack(
-  const MyApp({
-    Key? key,
-    required this.client,
-    required this.channel,
-  }) : super(key: key);
-
-  final StreamChatClient client;
-
-  final Channel channel;
-
-  @override
-  Widget build(BuildContext context) => MaterialApp(
-        theme: ThemeData.light(),
-        darkTheme: ThemeData.dark(),
-        builder: (context, widget) => StreamChat(
-          client: client,
-          child: widget,
-          streamChatThemeData: StreamChatThemeData().copyWith(
-            messageListViewTheme: const MessageListViewThemeData(
-              backgroundColor: Colors.transparent,
-            ),
-          ),
-        ),
-        home: StreamChannel(
-          channel: channel,
-          child: const ChannelPage(),
-        ),
-      );
-}
-
-class ChannelPage extends StatelessWidget {
-  const ChannelPage({
-    Key? key,
-  }) : super(key: key);
-
-  @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-      backgroundColor: Colors.transparent,
-      body: Stack(
   children: <Widget>[
     // Add your video implementation here
     ShaderMask(
@@ -121,15 +81,17 @@ class ChannelPage extends StatelessWidget {
       child: Column(
         children: const [
           Expanded(
+            child: MessageListViewTheme(
+              data: MessageListViewThemeData(
+                backgroundColor: Colors.transparent,
+              ),
               child: MessageListView(),
             ),
+          ),
           MessageInput(),
         ],
       ),
     ),
   ],
-      ),
+),
-    );
-  }
-}
 ```