How to Play And Stop an AVAudioPlayer in swift3? - swift

Question

I am developing an audio Player in swift and I need 2 buttons ( Play and Stop ) to control it. I have used the following code:
override func viewDidLoad() {
super.viewDidLoad()
let urlstring = "http://radio.spainmedia.es/wp-content/uploads/2015/12/tailtoddle_lo4.mp3"
let url = NSURL(string: urlstring)
print("the url = \(url!)")
downloadFileFromURL(url: url!)
}
func downloadFileFromURL(url:NSURL) {
var downloadTask:URLSessionDownloadTask
downloadTask = URLSession.shared.downloadTask(with: url as URL, completionHandler: { (URL, response, error) -> Void in
self.play(url: URL! as NSURL)
})
downloadTask.resume()
}
func play(url:NSURL) {
print("playing \(url)")
do {
self.SoundPlayer = try AVAudioPlayer(contentsOf: url as URL)
SoundPlayer.prepareToPlay()
SoundPlayer.volume = 1.0
SoundPlayer.play()
} catch let error as NSError {
//self.player = nil
print(error.localizedDescription)
} catch {
print("AVAudioPlayer init failed")
}
}
#IBAction func Play(_ sender: Any) {
SoundPlayer.play()
}
#IBAction func Stop(_ sender: Any) {
SoundPlayer.stop()
}
Basically, when the user opens the app, the mp3 audio file starts automatically. Therefore I have created 2 additional buttons, Start and Stop and I want to control this Audio Player with them. Would you please advice me how to do it, because now they are not connected with the Audio Player and no action is performed when I click on them.

Answer 1

If your objective is to just play the file while streaming it, get the Data from the URL from and then pass it to the AVAudioPlayer.
if let theURL = URL(string: "http://radio.spainmedia.es/wp-content/uploads/2015/12/tailtoddle_lo4.mp3") {
if let data = try? Data(contentsOf: theURL){
if let audioPlayer = try? AVAudioPlayer(data: data) {
print("Done")
audioPlayer.play()
} else {
print("Noo")
}
}
}
AVAudioPlayer(contentsOf: url as URL) often fails to fetch data from remote location.
You can also check other options such as AVPlayer to play your file
how can i play remote .mp3 file in my ios application?