use persistence storage

packages/stream_chat_v1/lib/choose_user_page.dart

@@ -7,6 +7,7 @@ import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:flutter_svg/flutter_svg.dart';
 import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 
+import 'main.dart';
 import 'routes/routes.dart';
 
 const kStreamApiKey = 'STREAM_API_KEY';
@@ -93,7 +94,7 @@ class ChooseUserPage extends StatelessWidget {
                             final client = StreamChatClient(
                               kDefaultStreamApiKey,
                               logLevel: Level.INFO,
-                            );
+                            )..chatPersistenceClient = chatPersistentClient;
 
                             await client.connectUser(
                               user,

packages/stream_chat_v1/lib/main.dart

@@ -47,7 +47,7 @@ class _MyAppState extends State<MyApp>
     final client = StreamChatClient(
       apiKey ?? kDefaultStreamApiKey,
       logLevel: Level.SEVERE,
-    );
+    )..chatPersistenceClient = chatPersistentClient;
 
     if (userId != null && token != null) {
       await client.connectUser(