class ViewController: UIViewController {
  @IBOutlet private weak var slider: Slider!

  override func viewDidLoad() {
      super.viewDidLoad()

      // Customize value, max and min (you can also customize in InterfaceBuilder).
      slider.min = 0.0
      slider.max = 1000
      slider.value = 100

      // Customize visual with label, imageView and so on.
      slider.leftImageView.image = UIImage(named: "rewind")
      slider.rightImageView.image = UIImage(named: "skip")
      slider.leftLabel.hidden = true
      slider.rightLabel.textColor = UIColor.redColor()
  }
}

// slider.delegate = self
extension ViewController: SliderDelegate {
  func slider(_ slider: Slider, textWithValue value: Double) -> String {
      // Customize text on the seeker view with value.
      return "\(Int(value))"
  }

  func sliderDidTap(_ slider: Slider) {
    // Do something
  }

  func slider(_ slider: Slider, didChangeValue value: Double) {
    // Do something
  }
}