VHProgressBar

//import UIKit and VHProgressBar
import UIKit
import VHProgressBar

 // vertical progress bar
let verticalProgressBar = VerticalProgressBar()
// horizontal progress bar
let horizontalProgressBar = HorizontalProgressBar()

self.view.addSubview(verticalProgressBar)
self.view.addSubview(horizontalProgressBar)

//adjust layout
verticalProgressBar.pgHeight = 350
verticalProgressBar.pgWidth = 35
verticalProgressBar.frameBold = 0.5

horizontalProgressBar.pgHeight = 50
horizontalProgressBar.pgWidth = 500
horizontalProgressBar.frameBold = 1.0

// start simple animation
verticalProgressBar.animateProgress(duration: 2.0, progressValue: 0.7)
horizontalProgressBar.animateProgress(duration: 3.0, progressValue: 0.2)

// start repeat animation
// you can choose type "normal" or "reverse"
verticalProgressBar.startAnimation(type: "normal", duration: 3.0)
//stop repeat animation  
verticalProgressBar.stopAnimation()