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copied!<p>Shouldn't be a problem - just set the slider to continuous and set the max value to your player's duration after loading your sound file.</p> <p><strong>Edit</strong></p> <p>I just did this and it works for me...</p> <pre><code>- (IBAction)slide { player.currentTime = slider.value; } - (void)updateTime:(NSTimer *)timer { slider.value = player.currentTime; } - (IBAction)play:(id)sender { NSURL *url = [NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"sound.caf" ofType:nil]]; NSError *error; player = [[AVAudioPlayer alloc] initWithContentsOfURL:url error:&error]; if (!player) NSLog(@"Error: %@", error); [player prepareToPlay]; slider.maximumValue = [player duration]; slider.value = 0.0; [NSTimer scheduledTimerWithTimeInterval:1.0 target:self selector:@selector(updateTime:) userInfo:nil repeats:YES]; [player play]; } </code></pre> <p>The slider is configured in IB, as is a button to start playing.</p> <h2>Swift 3.0 Update:</h2> <pre><code>var player: AVAudioPlayer! var sliderr: UISlider! @IBAction func play(_ sender: Any) { var url = URL(fileURLWithPath: Bundle.main.path(forResource: "sound.caf", ofType: nil)!) var error: Error? do { player = try AVAudioPlayer(contentsOf: url) } catch let error { } if player == nil { print("Error: \(error)") } player.prepareToPlay() sliderr.maximumValue = Float(player.duration) sliderr.value = 0.0 Timer.scheduledTimer(timeInterval: 1.0, target: self, selector: #selector(self.updateTime), userInfo: nil, repeats: true) player.play() } func updateTime(_ timer: Timer) { sliderr.value = Float(player.currentTime) } @IBAction func slide(_ slider: UISlider) { player.currentTime = TimeInterval(slider.value) } </code></pre>

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