import UIKit
import AVFoundation

class ViewController: UIViewController, AVAudioPlayerDelegate {

    var audioPlayer: AVAudioPlayer!

    override func viewDidLoad() {
        super.viewDidLoad()
    }

    @IBAction func notePressed(_ sender: UIButton) {

        // Directory path of sound file
        let soundURL = Bundle.main.url(forResource: "note1", withExtension: "wav")

        do {
            audioPlayer = try AVAudioPlayer(contentsOf: soundURL!)
        }
        catch {
            print(error)
        }

        audioPlayer.play()
    }
}