Implement a Multiple Choice Questionnaire

Quizzler-iOS13.xcodeproj/project.pbxproj

@@ -7,8 +7,11 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		52EE212A2BD16C5800B34D8A /* ChoicesQuestions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 52EE21292BD16C5800B34D8A /* ChoicesQuestions.swift */; };
+		52EE212C2BD16D1900B34D8A /* QuizManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = 52EE212B2BD16D1900B34D8A /* QuizManager.swift */; };
+		52EE21302BD1763C00B34D8A /* QuizViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 52EE212F2BD1763C00B34D8A /* QuizViewController.swift */; };
+		52F58ED62BCDD99200372298 /* SceneDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 52F58ED52BCDD99200372298 /* SceneDelegate.swift */; };
 		AD4BDE4A22D878BA005BA4CC /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = AD4BDE4922D878BA005BA4CC /* AppDelegate.swift */; };
-		AD4BDE4C22D878BA005BA4CC /* SceneDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = AD4BDE4B22D878BA005BA4CC /* SceneDelegate.swift */; };
 		AD4BDE4E22D878BA005BA4CC /* ViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = AD4BDE4D22D878BA005BA4CC /* ViewController.swift */; };
 		AD4BDE5122D878BA005BA4CC /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = AD4BDE4F22D878BA005BA4CC /* Main.storyboard */; };
 		AD4BDE5322D878BC005BA4CC /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = AD4BDE5222D878BC005BA4CC /* Assets.xcassets */; };
@@ -19,9 +22,12 @@
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
+		52EE21292BD16C5800B34D8A /* ChoicesQuestions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ChoicesQuestions.swift; sourceTree = "<group>"; };
+		52EE212B2BD16D1900B34D8A /* QuizManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = QuizManager.swift; sourceTree = "<group>"; };
+		52EE212F2BD1763C00B34D8A /* QuizViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = QuizViewController.swift; sourceTree = "<group>"; };
+		52F58ED52BCDD99200372298 /* SceneDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SceneDelegate.swift; sourceTree = "<group>"; };
 		AD4BDE4622D878BA005BA4CC /* Quizzler-iOS13.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = "Quizzler-iOS13.app"; sourceTree = BUILT_PRODUCTS_DIR; };
 		AD4BDE4922D878BA005BA4CC /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
-		AD4BDE4B22D878BA005BA4CC /* SceneDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SceneDelegate.swift; sourceTree = "<group>"; };
 		AD4BDE4D22D878BA005BA4CC /* ViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ViewController.swift; sourceTree = "<group>"; };
 		AD4BDE5022D878BA005BA4CC /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/Main.storyboard; sourceTree = "<group>"; };
 		AD4BDE5222D878BC005BA4CC /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
@@ -64,7 +70,7 @@
 			isa = PBXGroup;
 			children = (
 				AD4BDE4922D878BA005BA4CC /* AppDelegate.swift */,
-				AD4BDE4B22D878BA005BA4CC /* SceneDelegate.swift */,
+				52F58ED52BCDD99200372298 /* SceneDelegate.swift */,
 				AD7631C222FC1F7500C6E71B /* Model */,
 				AD7631C322FC201E00C6E71B /* View */,
 				AD7631C422FC206D00C6E71B /* Controller */,
@@ -80,6 +86,8 @@
 			children = (
 				AD7631C022FB176100C6E71B /* Question.swift */,
 				AD7631C522FC227F00C6E71B /* QuizBrain.swift */,
+				52EE21292BD16C5800B34D8A /* ChoicesQuestions.swift */,
+				52EE212B2BD16D1900B34D8A /* QuizManager.swift */,
 			);
 			path = Model;
 			sourceTree = "<group>";
@@ -96,6 +104,7 @@
 			isa = PBXGroup;
 			children = (
 				AD4BDE4D22D878BA005BA4CC /* ViewController.swift */,
+				52EE212F2BD1763C00B34D8A /* QuizViewController.swift */,
 			);
 			path = Controller;
 			sourceTree = "<group>";
@@ -172,11 +181,14 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				52F58ED62BCDD99200372298 /* SceneDelegate.swift in Sources */,
 				AD7631C622FC227F00C6E71B /* QuizBrain.swift in Sources */,
 				AD4BDE4E22D878BA005BA4CC /* ViewController.swift in Sources */,
+				52EE21302BD1763C00B34D8A /* QuizViewController.swift in Sources */,
+				52EE212C2BD16D1900B34D8A /* QuizManager.swift in Sources */,
 				AD7631C122FB176100C6E71B /* Question.swift in Sources */,
+				52EE212A2BD16C5800B34D8A /* ChoicesQuestions.swift in Sources */,
 				AD4BDE4A22D878BA005BA4CC /* AppDelegate.swift in Sources */,
-				AD4BDE4C22D878BA005BA4CC /* SceneDelegate.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

Quizzler-iOS13.xcodeproj/xcuserdata/landry.xcuserdatad/xcschemes/xcschememanagement.plist

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>SchemeUserState</key>
+	<dict>
+		<key>Quizzler-iOS13.xcscheme_^#shared#^_</key>
+		<dict>
+			<key>orderHint</key>
+			<integer>0</integer>
+		</dict>
+	</dict>
+</dict>
+</plist>

Quizzler-iOS13.xcodeproj/xcuserdata/ronald.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Bucket
+   uuid = "D8893114-6875-4034-9B93-CE11CD6DC615"
+   type = "1"
+   version = "2.0">
+   <Breakpoints>
+      <BreakpointProxy
+         BreakpointExtensionID = "Xcode.Breakpoint.FileBreakpoint">
+         <BreakpointContent
+            uuid = "E1B34218-F56E-4A36-91F8-1C1916BFE0B3"
+            shouldBeEnabled = "No"
+            ignoreCount = "0"
+            continueAfterRunningActions = "No"
+            filePath = "Quizzler-iOS13/AppDelegate.swift"
+            startingColumnNumber = "9223372036854775807"
+            endingColumnNumber = "9223372036854775807"
+            startingLineNumber = "2"
+            endingLineNumber = "2"
+            landmarkName = "unknown"
+            landmarkType = "0">
+         </BreakpointContent>
+      </BreakpointProxy>
+   </Breakpoints>
+</Bucket>

Quizzler-iOS13.xcodeproj/xcuserdata/ronald.xcuserdatad/xcschemes/xcschememanagement.plist

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>SchemeUserState</key>
+	<dict>
+		<key>Quizzler-iOS13.xcscheme_^#shared#^_</key>
+		<dict>
+			<key>orderHint</key>
+			<integer>0</integer>
+		</dict>
+	</dict>
+</dict>
+</plist>

Quizzler-iOS13/AppDelegate.swift

@@ -2,39 +2,24 @@
 //  AppDelegate.swift
 //  Quizzler-iOS13
 //
-//  Created by Angela Yu on 12/07/2019.
+//  Created by Ronald Ngounou on 4/18/24.
 //  Copyright © 2019 The App Brewery. All rights reserved.
 //
 
 import UIKit
 
 @UIApplicationMain
 class AppDelegate: UIResponder, UIApplicationDelegate {
+
+    var window: UIWindow?
 
-
-
+    //Version 1
     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
-        // Override point for customization after application launch.
-        return true
-    }
-
-    func applicationWillTerminate(_ application: UIApplication) {
-        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
+
+       return true 
+
     }
 
-    // MARK: UISceneSession Lifecycle
-
-    func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration {
-        // Called when a new scene session is being created.
-        // Use this method to select a configuration to create the new scene with.
-        return UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role)
-    }
-
-    func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set<UISceneSession>) {
-        // Called when the user discards a scene session.
-        // If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions.
-        // Use this method to release any resources that were specific to the discarded scenes, as they will not return.
-    }
 
 
 }

Quizzler-iOS13/Base.lproj/LaunchScreen.storyboard

@@ -1,25 +1,33 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13122.16" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="32700.99.1234" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+    <device id="retina6_12" orientation="portrait" appearance="light"/>
     <dependencies>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13104.12"/>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="22684"/>
         <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="System colors in document resources" minToolsVersion="11.0"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <scenes>
         <!--View Controller-->
         <scene sceneID="EHf-IW-A2E">
             <objects>
-                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
+                <viewController storyboardIdentifier="ViewController" id="01J-lp-oVM" sceneMemberID="viewController">
                     <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
-                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
+                        <rect key="frame" x="0.0" y="0.0" width="393" height="852"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                        <color key="backgroundColor" xcode11CocoaTouchSystemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
                         <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
+                        <color key="backgroundColor" systemColor="systemBackgroundColor"/>
                     </view>
                 </viewController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
             </objects>
             <point key="canvasLocation" x="53" y="375"/>
         </scene>
     </scenes>
+    <resources>
+        <systemColor name="systemBackgroundColor">
+            <color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+        </systemColor>
+    </resources>
 </document>

Quizzler-iOS13/Controller/QuizViewController.swift

@@ -0,0 +1,21 @@
+//
+//  QuizViewController.swift
+//  Quizzler-iOS13
+//
+//  Created by Ronald Ngounou on 4/18/24.
+//  Copyright © 2024 The App Brewery. All rights reserved.
+//
+
+import UIKit
+
+class QuizViewController : UIViewController{
+
+    public override func viewDidLoad() {
+        super.viewDidLoad()
+
+       // updateUI()
+    }
+
+
+
+}

Quizzler-iOS13/Controller/ViewController.swift

@@ -12,43 +12,69 @@ class ViewController: UIViewController {
 
     @IBOutlet weak var questionLabel: UILabel!
     @IBOutlet weak var progressBar: UIProgressView!
-    @IBOutlet weak var trueButton: UIButton!
-    @IBOutlet weak var falseButton: UIButton!
     @IBOutlet weak var scoreLabel: UILabel!
+    @IBOutlet weak var choice1: UIButton!
+    @IBOutlet weak var choice2: UIButton!
+    @IBOutlet weak var choice3: UIButton!
+    //@IBOutlet var choiceButtons: [UIButton]! //could have been better with a list
+
+    var quizBrain = QuizManager()
 
-    var quizBrain = QuizBrain()
 
-    override func viewDidLoad() {
+    public override func viewDidLoad() {
         super.viewDidLoad()
 
         updateUI()
     }
 
     @IBAction func answerButtonPressed(_ sender: UIButton) {
 
-        let userAnswer = sender.currentTitle!
+        guard let selectedChoice = sender.currentTitle else {
+            questionLabel?.text = "An unexpected error occured."
+            assertionFailure("Unexpected case happened.")
+            return
+        }
 
-        let userGotItRight = quizBrain.checkAnswer(userAnswer: userAnswer)
+        let userGotItRight = quizBrain.checkAnswer(selectedChoice)
 
-        if userGotItRight {
+        if userGotItRight{
             sender.backgroundColor = UIColor.green
         } else {
             sender.backgroundColor = UIColor.red
+            showAlert(message: quizBrain.getExplanation())
         }
 
-        quizBrain.nextQuestion()
-        
+        quizBrain.moveToNextQuestion()
+
         Timer.scheduledTimer(timeInterval: 0.2, target: self, selector: #selector(updateUI), userInfo: nil, repeats: false)
     }
 
     @objc func updateUI() {
+
         questionLabel.text = quizBrain.getQuestionText()
+
+        let currentQuestion = quizBrain.getCurrentQuestion()
+
+        choice1.setTitle(currentQuestion?.choices[0], for: .normal)
+        choice2.setTitle(currentQuestion?.choices[1], for: .normal)
+        choice3.setTitle(currentQuestion?.choices[2], for: .normal)
+
+
         progressBar.progress = quizBrain.getProgress()
         scoreLabel.text = "Score: \(quizBrain.getScore())"
 
-        trueButton.backgroundColor = UIColor.clear
-        falseButton.backgroundColor = UIColor.clear
+        choice1.backgroundColor = UIColor.clear
+        choice2.backgroundColor = UIColor.clear
+        choice3.backgroundColor = UIColor.clear
+
+
     }
+
+    func showAlert(message: String) {
+            let alert = UIAlertController(title: nil, message: message, preferredStyle: .alert)
+            alert.addAction(UIAlertAction(title: "Continue", style: .default, handler: nil))
+            present(alert, animated: true, completion: nil)
+        }
 
 }
 

Quizzler-iOS13/Info.plist

@@ -22,19 +22,21 @@
 	<true/>
 	<key>UIApplicationSceneManifest</key>
 	<dict>
+		<key>UIApplicationSupportsTabbedSceneCollection</key>
+		<false/>
 		<key>UIApplicationSupportsMultipleScenes</key>
 		<false/>
 		<key>UISceneConfigurations</key>
 		<dict>
 			<key>UIWindowSceneSessionRoleApplication</key>
 			<array>
 				<dict>
+					<key>UISceneDelegateClassName</key>
+					<string>$(PRODUCT_MODULE_NAME).SceneDelegate</string>
 					<key>UILaunchStoryboardName</key>
 					<string>LaunchScreen</string>
 					<key>UISceneConfigurationName</key>
 					<string>Default Configuration</string>
-					<key>UISceneDelegateClassName</key>
-					<string>$(PRODUCT_MODULE_NAME).SceneDelegate</string>
 					<key>UISceneStoryboardFile</key>
 					<string>Main</string>
 				</dict>
@@ -43,8 +45,6 @@
 	</dict>
 	<key>UILaunchStoryboardName</key>
 	<string>LaunchScreen</string>
-	<key>UIMainStoryboardFile</key>
-	<string>Main</string>
 	<key>UIRequiredDeviceCapabilities</key>
 	<array>
 		<string>armv7</string>

Quizzler-iOS13/Model/ChoicesQuestions.swift

@@ -0,0 +1,29 @@
+//
+//  ChoicesQuestions.swift
+//  Quizzler-iOS13
+//
+//  Created by Ronald Ngounou on 4/18/24.
+//  Copyright © 2024 The App Brewery. All rights reserved.
+//
+
+import Foundation
+
+struct ChoicesQuestions{
+    let questionText: String
+    let choices: [String]
+    let correctAnswerIndex: Int
+    let explanation: String
+
+
+    init(
+        questionText: String,
+        choices: [String],
+        correctAnswerIndex: Int,
+        explanation: String
+    ){
+        self.questionText = questionText
+        self.choices = choices
+        self.correctAnswerIndex = correctAnswerIndex
+        self.explanation = explanation
+    }
+}