Swift 4 Timer Crashes with NSException

Question

I\'ve been searching for a way to use a Timer in Swift 4 and looked at this article. I test out my code in xcode and when the the timer first ticks (in this case after 10 se

Answer 1

Try this in swift 4

import UIKit

class ViewController: UIViewController {

    var timer: Timer!

    override func viewDidLoad() {
       super.viewDidLoad()


        self.timer = Timer.scheduledTimer(timeInterval: 10, target: self, selector: #selector(self.updateValue), userInfo: nil, repeats: true)
    }

    func updateValue(){

        print("Timer is call")
    }
}