Fingerprint Toggle fixed

lib/features/profile/profile_screen.dart

@@ -34,13 +34,12 @@ class _ProfileScreenState extends State<ProfileScreen> {
     return 'Version ${info.version} (${info.buildNumber})';
   }
 
-  Future<void> _loadBiometricStatus() async {
-    final storage = getIt<SecureStorage>();
-    final isEnabled = await storage.read('biometric_enabled');
-    setState(() {
-      _isBiometricEnabled = isEnabled == 'true';
-    });
-  }
+   Future<void> _loadBiometricStatus() async {
+   final prefs = await SharedPreferences.getInstance();
+   setState(() {
+     _isBiometricEnabled = prefs.getBool('biometric_enabled') ?? false;
+   });
+ }
 
   Future<void> _handleLogout(BuildContext context) async {
     final auth = getIt<AuthRepository>();
@@ -51,89 +50,90 @@ class _ProfileScreenState extends State<ProfileScreen> {
     Navigator.pushNamedAndRemoveUntil(context, '/login', (route) => false);
   }
 
-  Future<void> _handleBiometricToggle(bool enable) async {
-    final localAuth = LocalAuthentication();
-    final storage = getIt<SecureStorage>();
-    final canCheck = await localAuth.canCheckBiometrics;
+    Future<void> _handleBiometricToggle(bool enable) async {
+   final localAuth = LocalAuthentication();
+   final prefs = await SharedPreferences.getInstance();
+   final canCheck = await localAuth.canCheckBiometrics;
 
-    if (!canCheck) {
-      // Optional: Show a snackbar or dialog if biometrics are not available
-      ScaffoldMessenger.of(context).showSnackBar(
-        SnackBar(
-            content: Text(AppLocalizations.of(context).biometricsNotAvailable)),
-      );
-      return;
-    }
+   if (!canCheck) {
+     ScaffoldMessenger.of(context).showSnackBar(
+       SnackBar(
+           content: Text(AppLocalizations.of(context).biometricsNotAvailable)),
+     );
+     return;
+   }
 
-    if (enable) {
-      // Show "Enable" dialog
-      final optIn = await showDialog<bool>(
-        context: context,
-        barrierDismissible: false,
-        builder: (ctx) => AlertDialog(
-          title: Text(AppLocalizations.of(context).enableFingerprintLogin),
-          content: Text(AppLocalizations.of(context).enableFingerprintMessage),
-          actions: [
-            TextButton(
-              onPressed: () => Navigator.of(ctx).pop(false),
-              child: Text(AppLocalizations.of(context).no),
-            ),
-            TextButton(
-              onPressed: () => Navigator.of(ctx).pop(true),
-              child: Text(AppLocalizations.of(context).yes),
-            ),
-          ],
-        ),
-      );
+   if (enable) {
+     final optIn = await showDialog<bool>(
+       context: context,
+       barrierDismissible: false,
+       builder: (ctx) => AlertDialog(
+         title: Text(AppLocalizations.of(context).enableFingerprintLogin),
+         content: Text(AppLocalizations.of(context).enableFingerprintMessage),
+         actions: [
+           TextButton(
+             onPressed: () => Navigator.of(ctx).pop(false),
+             child: Text(AppLocalizations.of(context).no),
+           ),
+           TextButton(
+             onPressed: () => Navigator.of(ctx).pop(true),
+             child: Text(AppLocalizations.of(context).yes),
+           ),
+         ],
+       ),
+     );
 
-      if (optIn == true) {
-        try {
-          final didAuth = await localAuth.authenticate(
-            localizedReason: AppLocalizations.of(context).authenticateToEnable,
-            options: const AuthenticationOptions(
-              stickyAuth: true,
-              biometricOnly: true,
-            ),
-          );
-          if (didAuth) {
-            await storage.write('biometric_enabled', 'true');
-            setState(() {
-              _isBiometricEnabled = true;
-            });
-          }
-        } catch (e) {
-          // Handle authentication errors
-        }
-      }
-    } else {
-      // Show "Disable" dialog
-      final optOut = await showDialog<bool>(
-        context: context,
-        barrierDismissible: false,
-        builder: (ctx) => AlertDialog(
-          title: Text(AppLocalizations.of(context).disableFingerprintLogin),
-          content: Text(AppLocalizations.of(context).disableFingerprintMessage),
-          actions: [
-            TextButton(
-              onPressed: () => Navigator.of(ctx).pop(false),
-              child: Text(AppLocalizations.of(context).no),
-            ),
-            TextButton(
-              onPressed: () => Navigator.of(ctx).pop(true),
-              child: Text(AppLocalizations.of(context).yes),
-            ),
-          ],
-        ),
-      );
+     if (optIn == true) {
+       try {
+         final didAuth = await localAuth.authenticate(
+           localizedReason: AppLocalizations.of(context).authenticateToEnable,
+           options: const AuthenticationOptions(
+             stickyAuth: true,
+             biometricOnly: true,
+           ),
+         );
+         if (didAuth) {
+           await prefs.setBool('biometric_enabled', true);
+           if (mounted) {
+             setState(() {
+               _isBiometricEnabled = true;
+             });
+           }
+         }
+       } catch (e) {
+         // Handle exceptions, state remains unchanged.
+       }
+     }
+   } else {
+     final optOut = await showDialog<bool>(
+       context: context,
+       barrierDismissible: false,
+       builder: (ctx) => AlertDialog(
+         title: Text(AppLocalizations.of(context).disableFingerprintLogin),
+         content: Text(AppLocalizations.of(context).disableFingerprintMessage),
+         actions: [
+           TextButton(
+             onPressed: () => Navigator.of(ctx).pop(false),
+             child: Text(AppLocalizations.of(context).no),
+           ),
+           TextButton(
+             onPressed: () => Navigator.of(ctx).pop(true),
+             child: Text(AppLocalizations.of(context).yes),
+           ),
+         ],
+       ),
+     );
 
-      if (optOut == true) {
-        await storage.write('biometric_enabled', 'false');
-        setState(() {
-          _isBiometricEnabled = false;
-        });
-      }
-    }
-  }
+     if (optOut == true) {
+       await prefs.setBool('biometric_enabled', false);
+       if (mounted) {
+         setState(() {
+           _isBiometricEnabled = false;
+         });
+       }
+     }
+   }
+ }
 
   @override
   Widget build(BuildContext context) {
@@ -168,13 +168,14 @@ class _ProfileScreenState extends State<ProfileScreen> {
             },
           ),
           SwitchListTile(
-            title: Text(AppLocalizations.of(context).enableFingerprintLogin),
-            value: _isBiometricEnabled,
-            onChanged: (bool value) {
-              _handleBiometricToggle(value);
-            },
-            secondary: const Icon(Icons.fingerprint),
-          ),
+   title: Text(AppLocalizations.of(context).enableFingerprintLogin),
+   value: _isBiometricEnabled,
+   onChanged: (bool value) {
+     // The state is now managed within _handleBiometricToggle
+     _handleBiometricToggle(value);
+   },
+   secondary: const Icon(Icons.fingerprint),
+ ),
           ListTile(
             leading: const Icon(Icons.password),
             title: Text(loc.changeLoginPassword),