swift: Change size of UIView - ios

Question

I use this class to create circular progress:
class ProgressBarView: UIView {
var bgPath: UIBezierPath!
var shapeLayer: CAShapeLayer!
var progressLayer: CAShapeLayer!
var progress: Float = 0 {
willSet(newValue)
{
progressLayer.strokeEnd = CGFloat(newValue)
}
}
override init(frame: CGRect) {
super.init(frame: frame)
bgPath = UIBezierPath()
self.simpleShape()
}
required public init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
bgPath = UIBezierPath()
self.simpleShape()
}
func simpleShape()
{
createCirclePath()
shapeLayer = CAShapeLayer()
shapeLayer.path = bgPath.cgPath
shapeLayer.lineWidth = 2.5
shapeLayer.fillColor = nil
shapeLayer.strokeColor = UIColor.black.cgColor.copy(alpha: 0.2)
progressLayer = CAShapeLayer()
progressLayer.path = bgPath.cgPath
progressLayer.lineCap = kCALineCapRound
progressLayer.lineWidth = 2.5
progressLayer.fillColor = nil
progressLayer.strokeColor = UIColor(red: 0/255, green: 122/255, blue: 255/255, alpha: 1.0).cgColor
progressLayer.strokeEnd = 0.0
self.layer.addSublayer(shapeLayer)
self.layer.addSublayer(progressLayer)
}
private func createCirclePath()
{
let x = self.frame.width/2
let y = self.frame.height/2
let center = CGPoint(x: x, y: y)
print(x,y,center)
bgPath.addArc(withCenter: center, radius: x, startAngle: CGFloat(11), endAngle: CGFloat(17.28), clockwise: true)
bgPath.close()
}
}
And in my ViewController I use this class for my progressView. I want to change size of my progressView for iPhone SE. I trying create width constraint in storyboard and change size of progressView programmatically like:
if self.view.frame.height == 568 {
progressViewWidthConstraint.constant = 100
}
But it doesn't work. How to change size for iPhone SE?
Update

Answer 1

You need to re-layout
progressViewWidthConstraint.constant = 100
self.view.layoutIfNeeded()