AVPlayer. Play Music MP3 File From a Remote URL In Swift.

In this Swift code example, you will learn how to play the music mp3 file from a remote URL in Swift.

The code example below will cover:

  • Create AVPlayer and AVPlayerItem,
  • Create UIButton programmatically,
  • Create AVPlayerLayer and add it as a subview,
  • Handle the Play button action to Pause and Play music,
  • Set UIImage on the Play button if needed.

Using AVPlayer to play MP3 File

import UIKit
import AVFoundation
class ViewController: UIViewController  {
    
    var player:AVPlayer?
    var playerItem:AVPlayerItem?
    var playButton:UIButton?
    
    override func viewDidLoad() {
        super.viewDidLoad()
    }
    
    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        
        let url = URL(string: "https://s3.amazonaws.com/kargopolov/kukushka.mp3")
        let playerItem:AVPlayerItem = AVPlayerItem(url: url!)
        player = AVPlayer(playerItem: playerItem)
        
        let playerLayer=AVPlayerLayer(player: player!)
        playerLayer.frame=CGRect(x:0, y:0, width:10, height:50)
        self.view.layer.addSublayer(playerLayer)
        
        playButton = UIButton(type: UIButton.ButtonType.system) as UIButton
        let xPostion:CGFloat = 50
        let yPostion:CGFloat = 100
        let buttonWidth:CGFloat = 150
        let buttonHeight:CGFloat = 45
        
        playButton!.frame = CGRect(x: xPostion, y: yPostion, width: buttonWidth, height: buttonHeight)
        playButton!.backgroundColor = UIColor.lightGray
        playButton!.setTitle("Play", for: UIControl.State.normal)
        playButton!.tintColor = UIColor.black
        playButton!.addTarget(self, action: #selector(self.playButtonTapped(_:)), for: .touchUpInside)
        
        self.view.addSubview(playButton!)
    }
    
    @objc func playButtonTapped(_ sender:UIButton)
    {
        if player?.rate == 0
        {
            player!.play()
            //playButton!.setImage(UIImage(named: "player_control_pause_50px.png"), forState: UIControlState.Normal)
            playButton!.setTitle("Pause", for: UIControl.State.normal)
        } else {
            player!.pause()
            //playButton!.setImage(UIImage(named: "player_control_play_50px.png"), forState: UIControlState.Normal)
            playButton!.setTitle("Play", for: UIControl.State.normal)
        }
    }
    
}

For more Swift code examples and tutorials, please check the Swift Code Examples page on this website.


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