step-6

lib/utilities/show_error_dialog.dart

@@ -0,0 +1,24 @@
+import 'package:flutter/material.dart';
+
+Future<void> showErrorDialog(
+  BuildContext context,
+  String text,
+) {
+  return showDialog(
+    context: context,
+    builder: (context) {
+      return AlertDialog(
+        title: const Text('An error occurred'),
+        content: Text(text),
+        actions: [
+          TextButton(
+            onPressed: () {
+              Navigator.of(context).pop();
+            },
+            child: const Text('OK'),
+          ),
+        ],
+      );
+    },
+  );
+}

lib/views/login_view.dart

@@ -1,8 +1,7 @@
 import 'package:firebase_auth/firebase_auth.dart';
 import 'package:flutter/material.dart';
-import 'dart:developer' as devtools show log;
-
 import 'package:mynotes/constants/routes.dart';
+import 'package:mynotes/utilities/show_error_dialog.dart';
 
 class LoginView extends StatefulWidget {
   const LoginView({Key? key}) : super(key: key);
@@ -70,10 +69,26 @@ class _LoginViewState extends State<LoginView> {
                 );
               } on FirebaseAuthException catch (e) {
                 if (e.code == 'user-not-found') {
-                  devtools.log('User not found');
+                  await showErrorDialog(
+                    context,
+                    'User not found',
+                  );
                 } else if (e.code == 'wrong-password') {
-                  devtools.log('Wrong password');
+                  await showErrorDialog(
+                    context,
+                    'Wrong credentials',
+                  );
+                } else {
+                  await showErrorDialog(
+                    context,
+                    'Error: ${e.code}',
+                  );
                 }
+              } catch (e) {
+                await showErrorDialog(
+                  context,
+                  e.toString(),
+                );
               }
             },
             child: const Text('Login'),