persist encrypt shared

covas_mobile/lib/classes/MyDrawer.dart

@@ -10,6 +10,8 @@ import 'alert.dart';
 import '../variable/globals.dart' as globals;
 
 import '../pages/LoginDemo.dart';
+import 'package:flutter_dotenv/flutter_dotenv.dart'; // Import dotenv
+import 'package:encrypt_shared_preferences/provider.dart';
 
 class MyDrawer extends StatelessWidget with ShowAlertDialog {
   Future<void> logout(BuildContext context) async {
@@ -28,7 +30,20 @@ class MyDrawer extends StatelessWidget with ShowAlertDialog {
         print("Status code logout ${response.statusCode}");
 
         if (response.statusCode == 200) {
-          await prefs.remove("access_token"); // Correctly remove the token
+          await prefs.remove("access_token");
+          await dotenv.load(fileName: ".env"); // Load .env file
+
+          final keyEncrypt = dotenv.env['KEY_ENCRYPT'] ?? '';
+          if (keyEncrypt.isNotEmpty) {
+            await EncryptedSharedPreferences.initialize(keyEncrypt);
+            var sharedPref = EncryptedSharedPreferences.getInstance();
+            String username = sharedPref.getString("username") ?? "";
+            String password = sharedPref.getString("password") ?? "";
+            if ((username.isEmpty) || (password.isEmpty)) {
+              sharedPref.remove("username");
+              sharedPref.remove("password");
+            }
+          }
           Navigator.pushAndRemoveUntil(
             context,
             MaterialPageRoute(builder: (_) => LoginDemo()),