Update

lib/globals.dart

@@ -0,0 +1,16 @@
+import 'dart:io';
+import 'package:cookie_jar/cookie_jar.dart';
+import 'package:dio/dio.dart';
+import 'package:dio_cookie_manager/dio_cookie_manager.dart';
+import 'package:path_provider/path_provider.dart';
+
+final dio = Dio();
+
+Future<void> prepareJar() async {
+  final Directory appDocDir = await getApplicationDocumentsDirectory();
+  final String appDocPath = appDocDir.path;
+  final jar = PersistCookieJar(
+    storage: FileStorage('$appDocPath/.eh-cookies/'),
+  );
+  dio.interceptors.add(CookieManager(jar));
+}