.gitignore

@@ -45,4 +45,6 @@ app.*.map.json
 /android/app/release
 
 # FVM Version Cache
-.fvm/
+.fvm/
+
+*.env

android/app/build.gradle

@@ -30,8 +30,18 @@ android {
         versionName = flutter.versionName
     }
 
+    signingConfigs {
+        debug {
+            keyAlias = "keyDebugQuiz"
+            keyPassword = "uppercase12"
+            storeFile = file("debugKeystore.jks")
+            storePassword = "uppercase12"
+
+        }
+    }
+
     buildTypes {
-        release {
+        debug {
             // TODO: Add your own signing config for the release build.
             // Signing with the debug keys for now, so `flutter run --release` works.
             signingConfig = signingConfigs.debug

android/app/src/main/AndroidManifest.xml

@@ -1,4 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <uses-permission android:name="android.permission.INTERNET" />
     <application
         android:label="quiz_app"
         android:name="${applicationName}"
@@ -17,12 +18,12 @@
                  while the Flutter UI initializes. After that, this theme continues
                  to determine the Window background behind the Flutter UI. -->
             <meta-data
-              android:name="io.flutter.embedding.android.NormalTheme"
-              android:resource="@style/NormalTheme"
-              />
+                android:name="io.flutter.embedding.android.NormalTheme"
+                android:resource="@style/NormalTheme"
+            />
             <intent-filter>
-                <action android:name="android.intent.action.MAIN"/>
-                <category android:name="android.intent.category.LAUNCHER"/>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
         <!-- Don't delete the meta-data below.
@@ -38,8 +39,8 @@
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->
     <queries>
         <intent>
-            <action android:name="android.intent.action.PROCESS_TEXT"/>
-            <data android:mimeType="text/plain"/>
+            <action android:name="android.intent.action.PROCESS_TEXT" />
+            <data android:mimeType="text/plain" />
         </intent>
     </queries>
-</manifest>
+</manifest>

lib/core/endpoint/api_endpoint.dart

@@ -1,5 +1,5 @@
 class APIEndpoint {
-  static const String baseUrl = "http://127.0.0.1:8000/api";
+  static const String baseUrl = "http://192.168.1.9:5000/api";
 
   static const String login = "/login";
   static const String loginGoogle = "/login/google";

lib/feature/login/controllers/login_controller.dart

@@ -4,26 +4,35 @@ import 'package:http/http.dart' as http;
 import 'package:google_sign_in/google_sign_in.dart';
 import 'package:flutter/material.dart';
 import 'package:quiz_app/core/endpoint/api_endpoint.dart';
+import 'package:quiz_app/core/utils/logger.dart';
 
 class LoginController extends GetxController {
   final TextEditingController emailController = TextEditingController();
   final TextEditingController passwordController = TextEditingController();
 
   var isPasswordHidden = true.obs;
+  var isLoading = false.obs; // Loading state for UI
+  final GoogleSignIn _googleSignIn = GoogleSignIn(); // Singleton instance
+
   void togglePasswordVisibility() {
     isPasswordHidden.value = !isPasswordHidden.value;
   }
 
-  final GoogleSignIn _googleSignIn = GoogleSignIn();
-
-  // Login menggunakan Flask Backend (Email & Password)
+  /// **🔹 Login via Email & Password**
   Future<void> loginWithEmail() async {
     String email = emailController.text.trim();
     String password = passwordController.text.trim();
 
+    if (email.isEmpty || password.isEmpty) {
+      Get.snackbar("Error", "Email and password are required");
+      return;
+    }
+
     try {
+      isLoading.value = true;
+
       var response = await http.post(
-        Uri.parse(APIEndpoint.baseUrl + APIEndpoint.login),
+        Uri.parse("${APIEndpoint.baseUrl}${APIEndpoint.login}"),
         body: jsonEncode({"email": email, "password": password}),
         headers: {"Content-Type": "application/json"},
       );
@@ -31,39 +40,80 @@ class LoginController extends GetxController {
       if (response.statusCode == 200) {
         var data = jsonDecode(response.body);
         String token = data['token'];
+
+        // await _secureStorage.write(key: "auth_token", value: token);
+
         Get.snackbar("Success", "Login successful!");
+        logC.i("Login Token: $token");
       } else {
-        Get.snackbar("Error", "Invalid email or password");
+        var errorMsg = jsonDecode(response.body)['message'] ?? "Invalid credentials";
+        Get.snackbar("Error", errorMsg);
       }
-    } catch (e) {
+    } catch (e, stackTrace) {
+      logC.e(e, stackTrace: stackTrace);
       Get.snackbar("Error", "Failed to connect to server");
+    } finally {
+      isLoading.value = false;
     }
   }
 
-  // Login menggunakan Google (Tanpa Firebase)
   Future<void> loginWithGoogle() async {
     try {
       final GoogleSignInAccount? googleUser = await _googleSignIn.signIn();
-      if (googleUser == null) return;
+      if (googleUser == null) {
+        Get.snackbar("Error", "Google Sign-In canceled");
+        return;
+      }
+
+      logC.i("Google User ID: ${googleUser.id}");
+      logC.i("Google User Email: ${googleUser.email}");
+      logC.i("Google User Display Name: ${googleUser.displayName}");
 
       final GoogleSignInAuthentication googleAuth = await googleUser.authentication;
-      String idToken = googleAuth.idToken ?? "";
+
+      logC.i("Google Access Token: ${googleAuth.accessToken}");
+      logC.i("Google ID Token: ${googleAuth.idToken}");
+
+      if (googleAuth.idToken == null || googleAuth.idToken!.isEmpty) {
+        Get.snackbar("Error", "Google sign-in failed. No token received.");
+        return;
+      }
 
       var response = await http.post(
-        Uri.parse(APIEndpoint.baseUrl + APIEndpoint.loginGoogle),
-        body: jsonEncode({"token": idToken}),
+        Uri.parse("${APIEndpoint.baseUrl}${APIEndpoint.loginGoogle}"),
+        body: jsonEncode({"token": googleAuth.idToken}),
         headers: {"Content-Type": "application/json"},
       );
 
       if (response.statusCode == 200) {
         var data = jsonDecode(response.body);
-        String token = data['token']; // Simpan token untuk sesi login
+        String token = data['token'];
+
         Get.snackbar("Success", "Google login successful!");
+        logC.i("Google Login Token: $token");
       } else {
-        Get.snackbar("Error", "Google login failed");
+        var errorMsg = jsonDecode(response.body)['message'] ?? "Google login failed";
+        Get.snackbar("Error", errorMsg);
       }
-    } catch (e) {
+    } catch (e, stackTrace) {
+      logC.e("Google Sign-In Error: $e", stackTrace: stackTrace);
       Get.snackbar("Error", "Google sign-in error");
     }
   }
+
+  /// **🔹 Logout Function**
+  Future<void> logout() async {
+    try {
+      await _googleSignIn.signOut();
+      // await _secureStorage.delete(key: "auth_token");
+
+      emailController.clear();
+      passwordController.clear();
+
+      Get.snackbar("Success", "Logged out successfully");
+    } catch (e) {
+      logC.e("Logout error: $e");
+      Get.snackbar("Error", "Logout failed");
+    }
+  }
 }

lib/feature/login/presentation/login_page.dart

@@ -48,7 +48,6 @@ class LoginView extends GetView<LoginController> {
                 onPressed: () => controller.loginWithEmail(),
                 child: const Text("Login with Email"),
               ),
-
               const SizedBox(height: 10),
 
               // Google Sign-In Button
@@ -65,6 +64,11 @@ class LoginView extends GetView<LoginController> {
                   elevation: 2,
                 ),
               ),
+
+              ElevatedButton(
+                onPressed: () => controller.logout(),
+                child: const Text("log out"),
+              ),
             ],
           ),
         ),

pubspec.lock

@@ -62,6 +62,14 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_dotenv:
+    dependency: "direct main"
+    description:
+      name: flutter_dotenv
+      sha256: b7c7be5cd9f6ef7a78429cabd2774d3c4af50e79cb2b7593e3d5d763ef95c61b
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.2.1"
   flutter_lints:
     dependency: "direct dev"
     description:

pubspec.yaml

@@ -38,6 +38,7 @@ dependencies:
 
   google_sign_in: ^6.2.2
   http: ^1.3.0
+  flutter_dotenv: ^5.2.1
 
 dev_dependencies:
   flutter_test: