Reputation: 9
ID LIKE TO START OFF BY SAYING I AM A STUDENT AND I AM CURRENTLY LEARNING SWIFT. I DON'T HAVE A 100% UNDERSTANDING.
Hey, so, my buttons keep getting mixed up with the code. I tell on button to display a message on a label when its clicked, but it displays something else that I told another button to do. I don't know how to explain the problem that well, sorry.
I have the top button (there's four total) display "You Are Correct!" and also have a button appear, written in code but when I press the button, when I run the app, it displays "You Are Wrong!", which is what all the other buttons are supposed to say.
Its a quiz game with Music related terms.
I've tried changing the tags for the buttons (1-4) and that didn't work, I also tried just disconnecting them and deleting them off the story board and adding everything back on, but that also didn't work.
import UIKit
class QuizVC: UIViewController {
@IBOutlet weak var questionLabel: UILabel!
@IBOutlet weak var answerLabel: UILabel!
@IBOutlet weak var button1: UIButton!
@IBOutlet weak var button2: UIButton!
@IBOutlet weak var button3: UIButton!
@IBOutlet weak var button4: UIButton!
@IBOutlet weak var Next: UIButton!
var CorrectAnswer = String()
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
RandomQuestions()
}
func RandomQuestions() {
var RandomNumber = arc4random() % 5
var RandomQuestion = arc4random() % 4
RandomQuestion += 1
RandomNumber += 1
Next.isHidden = true
switch(RandomNumber) {
case 1:
if RandomQuestion == UInt32(1) {
questionLabel.text = "What is the tail end of a piece of music?"
button1.setTitle("Coda", for: UIControl.State.normal)
button2.setTitle("Da Capo", for: UIControl.State.normal)
button3.setTitle("Forte", for: UIControl.State.normal)
button4.setTitle("Largo", for: UIControl.State.normal)
CorrectAnswer = "1"
} else if RandomQuestion == UInt32(2) {
questionLabel.text = "What is the tail end of a piece of music?"
button1.setTitle("Da Capo", for: UIControl.State.normal)
button2.setTitle("Largo", for: UIControl.State.normal)
button3.setTitle("Coda", for: UIControl.State.normal)
button4.setTitle("Forte", for: UIControl.State.normal)
CorrectAnswer = "3"
} else if RandomQuestion == UInt32(3) {
questionLabel.text = "What is the tail end of a piece of music?"
button1.setTitle("Largo", for: UIControl.State.normal)
button2.setTitle("Da Capo", for: UIControl.State.normal)
button3.setTitle("Forte", for: UIControl.State.normal)
button4.setTitle("Coda", for: UIControl.State.normal)
CorrectAnswer = "4"
} else {
questionLabel.text = "What is the tail end of a piece of music?"
button1.setTitle("Largo", for: UIControl.State.normal)
button2.setTitle("Coda", for: UIControl.State.normal)
button3.setTitle("Forte", for: UIControl.State.normal)
button4.setTitle("Da Capo", for: UIControl.State.normal)
CorrectAnswer = "2"
}
break
case 2:
if RandomQuestion == UInt32(1) {
questionLabel.text = "Another name for Majestically?"
button1.setTitle("Lunga", for: UIControl.State.normal)
button2.setTitle("Dolce", for: UIControl.State.normal)
button3.setTitle("Maestoso", for: UIControl.State.normal)
button4.setTitle("Molto", for: UIControl.State.normal)
CorrectAnswer = "3"
} else if RandomQuestion == UInt32(2) {
questionLabel.text = "Another name for Majestically?"
button1.setTitle("Dolce", for: UIControl.State.normal)
button2.setTitle("Lunga", for: UIControl.State.normal)
button3.setTitle("Molto", for: UIControl.State.normal)
button4.setTitle("Maestoso", for: UIControl.State.normal)
CorrectAnswer = "4"
} else if RandomQuestion == UInt32(3) {
questionLabel.text = "Another name for Majestically?"
button1.setTitle("Molto", for: UIControl.State.normal)
button2.setTitle("Maestoso", for: UIControl.State.normal)
button3.setTitle("Lunga", for: UIControl.State.normal)
button4.setTitle("Dolce", for: UIControl.State.normal)
CorrectAnswer = "2"
} else {
questionLabel.text = "Another name for Majestically?"
button1.setTitle("Maestoso", for: UIControl.State.normal)
button2.setTitle("Dolce", for: UIControl.State.normal)
button3.setTitle("Lunga", for: UIControl.State.normal)
button4.setTitle("Molto", for: UIControl.State.normal)
CorrectAnswer = "1"
}
break
case 3:
if RandomQuestion == UInt32(1) {
questionLabel.text = "Another name for Time/Speed?"
button1.setTitle("Largo", for: UIControl.State.normal)
button2.setTitle("Soli", for: UIControl.State.normal)
button3.setTitle("Tenuto", for: UIControl.State.normal)
button4.setTitle("Tempo", for: UIControl.State.normal)
CorrectAnswer = "4"
} else if RandomQuestion == UInt32(2) {
questionLabel.text = "Another name for Time/Speed?"
button1.setTitle("Soli", for: UIControl.State.normal)
button2.setTitle("Tenuto", for: UIControl.State.normal)
button3.setTitle("Tempo", for: UIControl.State.normal)
button4.setTitle("Largo", for: UIControl.State.normal)
CorrectAnswer = "3"
} else if RandomQuestion == UInt32(3) {
questionLabel.text = "Another name for Time/Speed?"
button1.setTitle("Tempo", for: UIControl.State.normal)
button2.setTitle("Largo", for: UIControl.State.normal)
button3.setTitle("Soli", for: UIControl.State.normal)
button4.setTitle("Tenuto", for: UIControl.State.normal)
CorrectAnswer = "1"
} else {
questionLabel.text = "Another name for Time/Speed?"
button1.setTitle("Largo", for: UIControl.State.normal)
button2.setTitle("Tempo", for: UIControl.State.normal)
button3.setTitle("Tenuto", for: UIControl.State.normal)
button4.setTitle("Soli", for: UIControl.State.normal)
CorrectAnswer = "2"
}
break
case 4:
if RandomQuestion == UInt32(1) {
questionLabel.text = "Another name for Softly"
button1.setTitle("Piano", for: UIControl.State.normal)
button2.setTitle("Forte", for: UIControl.State.normal)
button3.setTitle("Segno", for: UIControl.State.normal)
button4.setTitle("Tacet", for: UIControl.State.normal)
CorrectAnswer = "1"
} else if RandomQuestion == UInt32(2) {
questionLabel.text = "Another name for Softly"
button1.setTitle("Forte", for: UIControl.State.normal)
button2.setTitle("Tacet", for: UIControl.State.normal)
button3.setTitle("Piano", for: UIControl.State.normal)
button4.setTitle("Segno", for: UIControl.State.normal)
CorrectAnswer = "3"
} else if RandomQuestion == UInt32(3) {
questionLabel.text = "Another name for Softly"
button1.setTitle("Tacet", for: UIControl.State.normal)
button2.setTitle("Segno", for: UIControl.State.normal)
button3.setTitle("Forte", for: UIControl.State.normal)
button4.setTitle("Piano", for: UIControl.State.normal)
CorrectAnswer = "4"
} else {
questionLabel.text = "Another name for Softly"
button1.setTitle("Forte", for: UIControl.State.normal)
button2.setTitle("Piano", for: UIControl.State.normal)
button3.setTitle("Segno", for: UIControl.State.normal)
button4.setTitle("Tacet", for: UIControl.State.normal)
CorrectAnswer = "2"
}
break
case 5:
if RandomQuestion == UInt32(1) {
questionLabel.text = "Another name for Really Fast?"
button1.setTitle("Staccato", for: UIControl.State.normal)
button2.setTitle("Fermata", for: UIControl.State.normal)
button3.setTitle("Presto", for: UIControl.State.normal)
button4.setTitle("Mezzo", for: UIControl.State.normal)
CorrectAnswer = "3"
} else if RandomQuestion == UInt32(2) {
questionLabel.text = "Another name for Really Fast?"
button1.setTitle("Fermata", for: UIControl.State.normal)
button2.setTitle("Presto", for: UIControl.State.normal)
button3.setTitle("Staccato", for: UIControl.State.normal)
button4.setTitle("Mezzo", for: UIControl.State.normal)
CorrectAnswer = "2"
} else if RandomQuestion == UInt32(3) {
questionLabel.text = "Another name for Really Fast?"
button1.setTitle("Fermata", for: UIControl.State.normal)
button2.setTitle("Mezzo", for: UIControl.State.normal)
button3.setTitle("Staccato", for: UIControl.State.normal)
button4.setTitle("Presto", for: UIControl.State.normal)
CorrectAnswer = "4"
} else {
questionLabel.text = "Another name for Really Fast?"
button1.setTitle("Presto", for: UIControl.State.normal)
button2.setTitle("Mezzo", for: UIControl.State.normal)
button3.setTitle("Staccato", for: UIControl.State.normal)
button4.setTitle("Fermata", for: UIControl.State.normal)
CorrectAnswer = "1"
}
default:
break
}
}
@IBAction func NextAction(_ sender: Any) {
RandomQuestions()
answerLabel.text = ""
}
@IBAction func button1Action(_ sender: Any) {
if (CorrectAnswer == "1"){
answerLabel.text = "You Are Correct!"
Next.isHidden = false
} else {
answerLabel.text = "You Are Wrong!"
Next.isHidden = true
}
}
@IBAction func button2Action(_ sender: Any) {
if (CorrectAnswer == "2"){
answerLabel.text = "You Are Correct!"
Next.isHidden = false
} else {
answerLabel.text = "You Are Wrong!"
Next.isHidden = true
}
}
@IBAction func button3Action(_ sender: Any) {
if (CorrectAnswer == "3"){
answerLabel.text = "You Are Correct!"
Next.isHidden = false
} else {
answerLabel.text = "You Are Wrong!"
Next.isHidden = true
}
}
@IBAction func button4Action(_ sender: Any) {
if (CorrectAnswer == "4"){
answerLabel.text = "You Are Correct!"
Next.isHidden = false
} else {
answerLabel.text = "You Are Wrong!"
Next.isHidden = true
}
}
}
Why is this happening? How can I fix it? I've looked through the code and didn't see any errors but I might just be too inexperienced to actually notice the real errors.
Upvotes: 0
Views: 57
Reputation: 154533
You have a lot of duplication in your code. You can share an @IBAction for all of your answer buttons if you make use of the button tag
. Also, if you shuffle()
the answers, you can eliminate more duplicated code.
Your mix up in the buttons might have been that you had buttons accidentally connected to multiple @IBAction
s. That can happen if you copy a button in the Storyboard after it has a connection. Then adding a second connection caused the button to call two @IBAction
s. This updated code is much more straightforward and should eliminate such a mixup.
import UIKit
// The format of the data is ["Question", "correct answer", "wrong answer 1", "wrong answer 2",
// "wrong answer 3"]. The answers will be shuffled after a random question has been chosen.
let quizData: [[String]] = [
["What is the tail end of a piece of music?", "Coda", "Da Capo", "Forte", "Largo"],
["Another name for Majestically?", "Maestoso", "Dolce", "Lunga", "Molto"],
["Another name for Time/Speed?", "Tempo", "Largo", "Soli", "Tenuto"],
["Another name for Softly", "Piano", "Forte", "Segno", "Tacet"],
["Another name for Really Fast?", "Presto","Mezzo", "Staccato", "Fermata"]
]
class QuizVC: UIViewController {
@IBOutlet weak var questionLabel: UILabel!
@IBOutlet weak var answerLabel: UILabel!
@IBOutlet weak var button1: UIButton!
@IBOutlet weak var button2: UIButton!
@IBOutlet weak var button3: UIButton!
@IBOutlet weak var button4: UIButton!
@IBOutlet weak var nextButton: UIButton!
var correctAnswer = 0
override func viewDidLoad() {
super.viewDidLoad()
// Set tag for each button. This could also be done in Storyboard
for (idx, button) in [button1, button2, button3, button4].enumerated() {
button?.tag = idx + 1
}
randomQuestions()
}
func randomQuestions() {
// Pick a random question
let questionData = quizData.randomElement()
let rightAnswer = questionData[1]
// Shuffle the answers
let randomAnswers = questionData.dropFirst().shuffled()
// Find out where the correct answer ended up
correctAnswer = randomAnswers.firstIndex(of: rightAnswer)! + 1
questionLabel.text = questionData[0]
for (idx, button) in [button1, button2, button3, button4].enumerated() {
button?.setTitle(randomAnswers[idx], for: .normal)
}
nextButton.isHidden = true
}
@IBAction func nextAction(_ sender: UIButton) {
randomQuestions()
answerLabel.text = ""
}
// Connect buttons 1 through 4 to this action
@IBAction func buttonAction(_ sender: UIButton) {
if correctAnswer == sender.tag {
answerLabel.text = "You Are Correct!"
nextButton.isHidden = false
} else {
answerLabel.text = "You Are Wrong!"
nextButton.isHidden = true
}
}
}
Upvotes: 1