Merge pull request #87 from Prashant-2024/quiz

Added Interactive Quiz in Explore Page #52

.gitignore

@@ -31,6 +31,7 @@ migrate_working_dir/
 .pub-cache/
 .pub/
 /build/
+/pubspec.lock
 
 # Symbolication related
 app.*.symbols

lib/explore/quiz.dart

@@ -0,0 +1,181 @@
+import 'package:flutter/material.dart';
+import 'dart:math';
+import 'package:flutter_svg/flutter_svg.dart';
+import 'package:learn/utils/constants.dart';
+
+class QuizQuestion {
+  final String question;
+  final List<String> options;
+  final int correctAnswerIndex;
+
+  QuizQuestion({
+    required this.question,
+    required this.options,
+    required this.correctAnswerIndex,
+  });
+}
+
+class QuizPage extends StatefulWidget {
+  const QuizPage({super.key});
+
+  @override
+  _QuizPageState createState() => _QuizPageState();
+}
+
+class _QuizPageState extends State<QuizPage> {
+  late List<QuizQuestion> _questions;
+  int _currentQuestionIndex = 0;
+  int _score = 0;
+  bool _quizCompleted = false;
+  String _feedbackMessage = '';
+  Color _feedbackColor = Colors.transparent;
+  bool _answered = false;
+
+  @override
+  void initState() {
+    super.initState();
+    _questions = List.from(AppConstants.quizQuestions);
+    _questions.shuffle();
+    if (_questions.length > 10) {
+      _questions = _questions.sublist(0, 10);
+    }
+  }
+
+  void _answerQuestion(int selectedIndex) {
+    if (_answered) return;
+
+    bool isCorrect =
+        selectedIndex == _questions[_currentQuestionIndex].correctAnswerIndex;
+    setState(() {
+      _answered = true;
+      if (isCorrect) {
+        _score++;
+        _feedbackMessage = 'Correct! Good job!';
+        _feedbackColor = Colors.green;
+      } else {
+        _feedbackMessage =
+            'Incorrect. The correct answer is: ${_questions[_currentQuestionIndex].options[_questions[_currentQuestionIndex].correctAnswerIndex]}';
+        _feedbackColor = Colors.red;
+      }
+    });
+  }
+
+  void _nextQuestion() {
+    setState(() {
+      if (_currentQuestionIndex < _questions.length - 1) {
+        _currentQuestionIndex++;
+        _feedbackMessage = '';
+        _feedbackColor = Colors.transparent;
+        _answered = false;
+      } else {
+        _quizCompleted = true;
+      }
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Quiz'),
+      ),
+      body: Padding(
+        padding: const EdgeInsets.all(16.0),
+        child: _quizCompleted
+            ? Column(
+                mainAxisAlignment: MainAxisAlignment.center,
+                children: [
+                  Text(
+                    'Quiz Completed! Your score is $_score/${_questions.length}',
+                    style: const TextStyle(
+                        fontSize: 24, fontWeight: FontWeight.bold),
+                    textAlign: TextAlign.center,
+                  ),
+                  const SizedBox(height: 20),
+                  ElevatedButton(
+                    onPressed: () {
+                      Navigator.of(context).pop();
+                    },
+                    child: const Text('Back to Explore'),
+                  ),
+                ],
+              )
+            : Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  Text(
+                    'Question ${_currentQuestionIndex + 1}/${_questions.length}',
+                    style: const TextStyle(
+                        fontSize: 22, fontWeight: FontWeight.bold),
+                  ),
+                  const SizedBox(height: 20),
+                  Text(
+                    _questions[_currentQuestionIndex].question,
+                    style: const TextStyle(fontSize: 18),
+                  ),
+                  const SizedBox(height: 20),
+                  Column(
+                    children: List.generate(
+                      _questions[_currentQuestionIndex].options.length,
+                      (index) => GestureDetector(
+                        onTap: () => _answerQuestion(index),
+                        child: Container(
+                          margin: const EdgeInsets.symmetric(vertical: 4.0),
+                          padding: const EdgeInsets.all(8.0),
+                          decoration: BoxDecoration(
+                            border: Border.all(color: Colors.black, width: 1.0),
+                            borderRadius: BorderRadius.circular(8.0),
+                            color: Colors.blueAccent.withOpacity(0.2),
+                          ),
+                          child: Row(
+                            children: [
+                              SizedBox(
+                                width: 30,
+                                height: 30,
+                                child:
+                                    SvgPicture.asset('assets/explore/dot.svg'),
+                              ),
+                              const SizedBox(width: 12.0),
+                              Expanded(
+                                child: Text(
+                                  _questions[_currentQuestionIndex]
+                                      .options[index],
+                                  style: const TextStyle(fontSize: 16),
+                                ),
+                              ),
+                            ],
+                          ),
+                        ),
+                      ),
+                    ),
+                  ),
+                  const SizedBox(height: 20),
+                  if (_feedbackMessage.isNotEmpty)
+                    Container(
+                      padding: const EdgeInsets.all(12.0),
+                      decoration: BoxDecoration(
+                        color: _feedbackColor.withOpacity(0.2),
+                        borderRadius: BorderRadius.circular(8.0),
+                        border: Border.all(color: _feedbackColor, width: 1.0),
+                      ),
+                      child: Text(
+                        _feedbackMessage,
+                        style: TextStyle(
+                          fontSize: 16,
+                          fontWeight: FontWeight.bold,
+                          color: _feedbackColor,
+                        ),
+                      ),
+                    ),
+                  const SizedBox(height: 20),
+                  if (_answered && !_quizCompleted)
+                    ElevatedButton(
+                      onPressed: _nextQuestion,
+                      child: const Text('Next Question'),
+                    ),
+                ],
+              ),
+      ),
+    );
+  }
+}

lib/main.dart

@@ -17,6 +17,7 @@ import 'package:learn/pages/modules/colours.dart';
 import 'package:learn/widgets/navbar/navbar.dart';
 
 import 'cubit/index_cubit.dart';
+import 'explore/quiz.dart';
 import 'pages/home.dart';
 
 DateTime? currentBackPressTime;
@@ -69,6 +70,7 @@ class MyApp extends StatelessWidget {
                 AllRoutes.flowerRoute: (context) => const FlowerPage(),
                 AllRoutes.exploreRoute: (context) => const ExplorePage(),
                 AllRoutes.favoriteRoute: (context) => const FavoritePage(),
+                AllRoutes.quizRoute: (context) => QuizPage(),
                 AllRoutes.seasonRoute: (context) => SeasonsPage(),
               },
             );

lib/pages/explore.dart

@@ -1,18 +1,53 @@
 import 'package:flutter/material.dart';
-
-// Explore Page
-// All the modules will be placed here like alphabets, animals, etc...
-// TODO: Implement the Explore Page
+import 'package:flutter_svg/flutter_svg.dart';
+import 'package:learn/utils/constants.dart';
 
 class ExplorePage extends StatelessWidget {
   const ExplorePage({super.key});
 
   @override
   Widget build(BuildContext context) {
-    return const Scaffold(
-      body: Center(
-        child: Text("Explore Page"),
-      )
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Explore'),
+      ),
+      body: ListView(
+        children: [
+          GestureDetector(
+            onTap: () {
+              Navigator.pushNamed(context, '/quiz');
+            },
+            child: Container(
+              margin: const EdgeInsets.all(5.0),
+              padding: const EdgeInsets.all(8.0),
+              decoration: BoxDecoration(
+                border: Border.all(color: Colors.black, width: 1.0),
+                borderRadius: BorderRadius.circular(8.0),
+                color: Colors.blueAccent,
+              ),
+              child: Row(
+                children: [
+                  SizedBox(
+                    width: 50,
+                    height: 50,
+                    child: SvgPicture.asset('assets/explore/notebook.svg'),
+                  ),
+                  const SizedBox(width: 28.0),
+                  const Text(
+                    'Quiz',
+                    style: TextStyle(
+                      fontWeight: FontWeight.bold,
+                      fontSize: 30.0,
+                      fontFamily: 'Comic',
+                      color: Colors.white,
+                    ),
+                  ),
+                ],
+              ),
+            ),
+          ),
+        ],
+      ),
     );
   }
-}
+}