add streamchattheme.fromtheme

example/lib/single_conversation.dart

@@ -17,8 +17,18 @@ void main() async {
   // ignore: unawaited_futures
   channel.watch();
 
-  runApp(
-    MaterialApp(
+  runApp(MyApp(client, channel));
+}
+
+class MyApp extends StatelessWidget {
+  final Client client;
+  final Channel channel;
+
+  MyApp(this.client, this.channel);
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
       home: StreamChat(
         client: client,
         child: StreamChannel(
@@ -26,8 +36,8 @@ void main() async {
           child: ChannelPage(),
         ),
       ),
-    ),
-  );
+    );
+  }
 }
 
 class ChannelPage extends StatelessWidget {

example/lib/threads.dart

@@ -19,9 +19,15 @@ class MyApp extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    final theme = ThemeData(
+      primarySwatch: Colors.orange,
+    );
+
     return MaterialApp(
+      theme: theme,
       home: Container(
         child: StreamChat(
+          streamChatThemeData: StreamChatThemeData.fromTheme(theme),
           client: client,
           child: ChannelListPage(),
         ),