Finally Done with the quiz App

ios/Flutter/flutter_export_environment.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+# This is a generated file; do not edit or check into version control.
+export "FLUTTER_ROOT=C:\Users\Semite\flutter"
+export "FLUTTER_APPLICATION_PATH=C:\Projects\quizzler-flutter"
+export "FLUTTER_TARGET=lib\main.dart"
+export "FLUTTER_BUILD_DIR=build"
+export "SYMROOT=${SOURCE_ROOT}/../build\ios"
+export "OTHER_LDFLAGS=$(inherited) -framework Flutter"
+export "FLUTTER_FRAMEWORK_DIR=C:\Users\Semite\flutter\bin\cache\artifacts\engine\ios"
+export "FLUTTER_BUILD_NAME=1.0.0"
+export "FLUTTER_BUILD_NUMBER=1"
+export "DART_OBFUSCATION=false"
+export "TRACK_WIDGET_CREATION=false"
+export "TREE_SHAKE_ICONS=false"

lib/main.dart

@@ -1,5 +1,8 @@
 import 'package:flutter/material.dart';
+import 'package:rflutter_alert/rflutter_alert.dart';
+import 'quiz_brain.dart';
 
+QuizBrain quizBrain = QuizBrain();
 void main() => runApp(Quizzler());
 
 class Quizzler extends StatelessWidget {
@@ -25,6 +28,44 @@ class QuizPage extends StatefulWidget {
 }
 
 class _QuizPageState extends State<QuizPage> {
+  List<Icon> scoreKeeper = [];
+
+  void checkAnswer(bool userPickedAnswer) {
+    bool correctAnswer = quizBrain.getQuestionAnswer();
+
+    setState(() {
+      //On the next line, you can also use if (quizBrain.isFinished()) {}, it does the same thing.
+      if (quizBrain.isFinished() == true) {
+        //This is the code for the basic alert from the docs for rFlutter Alert:
+        //Alert(context: context, title: "RFLUTTER", desc: "Flutter is awesome.").show();
+
+        //Modified for our purposes:
+        Alert(
+          context: context,
+          title: 'Finished!',
+          desc: 'You\'ve reached the end of the quiz.',
+        ).show();
+
+        quizBrain.reset();
+
+        scoreKeeper = [];
+      } else {
+        if (userPickedAnswer == correctAnswer) {
+          scoreKeeper.add(Icon(
+            Icons.check,
+            color: Colors.green,
+          ));
+        } else {
+          scoreKeeper.add(Icon(
+            Icons.close,
+            color: Colors.red,
+          ));
+        }
+        quizBrain.nextQuestion();
+      }
+    });
+  }
+
   @override
   Widget build(BuildContext context) {
     return Column(
@@ -37,7 +78,7 @@ class _QuizPageState extends State<QuizPage> {
             padding: EdgeInsets.all(10.0),
             child: Center(
               child: Text(
-                'This is where the question text will go.',
+                quizBrain.getQuestionText(),
                 textAlign: TextAlign.center,
                 style: TextStyle(
                   fontSize: 25.0,
@@ -62,6 +103,7 @@ class _QuizPageState extends State<QuizPage> {
               ),
               onPressed: () {
                 //The user picked true.
+                checkAnswer(true);
               },
             ),
           ),
@@ -80,11 +122,14 @@ class _QuizPageState extends State<QuizPage> {
               ),
               onPressed: () {
                 //The user picked false.
+                checkAnswer(false);
               },
             ),
           ),
         ),
-        //TODO: Add a Row here as your score keeper
+        Row(
+          children: scoreKeeper,
+        )
       ],
     );
   }

lib/question.dart

@@ -0,0 +1,7 @@
+class Question {
+
+  String questionText;
+  bool questionAnswer;
+
+  Question(this.questionText, this.questionAnswer);
+}

lib/quiz_brain.dart

@@ -0,0 +1,68 @@
+import 'question.dart';
+
+class QuizBrain {
+
+     int _questionNumber = 0;
+
+     List<Question> _questionBank = [
+    Question('Some cats are actually allergic to humans',true),
+    Question('You can lead a cow down stairs but not up stairs.', false),
+    Question('Approximately one quarter of human bones are in the feet.', true),
+    Question('A slug\'s blood is green.', true),
+    Question('Buzz Aldrin\'s mother\'s maiden name was \"Moon\".', true),
+    Question('It is illegal to pee in the Ocean in Portugal.', true),
+    Question(
+        'No piece of square dry paper can be folded in half more than 7 times.',
+        false),
+    Question(
+        'In London, UK, if you happen to die in the House of Parliament, you are technically entitled to a state funeral, because the building is considered too sacred a place.',
+        true),
+    Question(
+        'The loudest sound produced by any animal is 188 decibels. That animal is the African Elephant.',
+        false),
+    Question(
+        'The total surface area of two human lungs is approximately 70 square metres.',
+        true),
+    Question('Google was originally called \"Backrub\".', true),
+    Question(
+        'Chocolate affects a dog\'s heart and nervous system; a few ounces are enough to kill a small dog.',
+        true),
+    Question(
+        'In West Virginia, USA, if you accidentally hit an animal with your car, you are free to take it home to eat.',
+        true),
+
+   ];
+
+   void nextQuestion() {
+     if (_questionNumber < _questionBank.length - 1) {
+      _questionNumber++;
+     }
+     print(_questionNumber);
+     print(_questionBank.length);
+   }
+
+   String getQuestionText() {
+     return _questionBank[_questionNumber].questionText;
+
+   }
+
+   bool getQuestionAnswer() {
+     return _questionBank[_questionNumber].questionAnswer;
+   }
+
+
+
+  bool isFinished() {
+    if (_questionNumber >= _questionBank.length - 1) {
+      print('Now returning true');
+      return true;
+    } else {
+      return false;
+    }
+  }
+
+
+  void reset() {
+    _questionNumber = 0;
+  }
+}

pubspec.yaml

@@ -19,6 +19,7 @@ dependencies:
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^0.1.2
+  rflutter_alert: ^1.0.3
 
 dev_dependencies:
   flutter_test: