use random png on default users

example/lib/choose_user_page.dart

@@ -53,6 +53,10 @@ class ChooseUserPage extends StatelessWidget {
         },
       ),
     };
+
+    users.updateAll(
+        (_, value) => value..extraData['image'] = getRandomPicUrl(value));
+
     return Scaffold(
       body: Column(
         crossAxisAlignment: CrossAxisAlignment.center,
@@ -126,9 +130,7 @@ class ChooseUserPage extends StatelessWidget {
                         final client = StreamChat.of(context).client;
 
                         await client.setUser(
-                          User(id: user.id, extraData: {
+                          user,
-                            'name': user.name,
-                          }),
                           token,
                         );
 

example/pubspec.yaml

@@ -1,6 +1,6 @@
 name: example
 description: A new Flutter project.
-version: 1.0.48+50
+version: 1.0.49+51
 
 environment:
   sdk: ">=2.2.2 <3.0.0"

lib/stream_chat_flutter.dart

@@ -28,4 +28,5 @@ export 'src/system_message.dart';
 export 'src/thread_header.dart';
 export 'src/typing_indicator.dart';
 export 'src/user_avatar.dart';
+export 'src/utils.dart';
 export 'src/video_attachment.dart';