Slider

let sliderDemo = UISlider()

    sliderDemo.frame = CGRect(x: 20, y: 260, width: 280, height: 20)
    sliderDemo.minimumValue = 20
    sliderDemo.maximumValue = 130
    sliderDemo.isContinuous = true
    sliderDemo.tintColor = UIColor.red
    sliderDemo.value = 50
    sliderDemo.addTarget(self, action: #selector(sliderValueDidChange), for: .valueChanged)
    self.view.addSubview(sliderDemo)
    
   //   }

  func sliderValueDidChange(sender:UISlider!){
    
    print("value--\(sender.value)")
  }