[XLPagerTabStrip] #swift #XLPagerTabStrip

XLPagerTabStrip.swift

import UIKit
import XLPagerTabStrip

class ProfileTabsVC: ButtonBarPagerTabStripViewController {

  //MARK: - Life Cycle
    
  override func viewDidLoad() {
    setupPager()
    super.viewDidLoad()    
  }
    
  //MARK: - Helpers

  fileprivate func setupPager() {
    settings.style.buttonBarBackgroundColor = UIColor.red
    settings.style.buttonBarItemBackgroundColor = UIColor.red
    settings.style.selectedBarBackgroundColor = .white
    settings.style.buttonBarItemFont = .boldSystemFont(ofSize: 14)
    settings.style.selectedBarHeight = 4.0
    settings.style.buttonBarMinimumLineSpacing = 0
    settings.style.buttonBarItemTitleColor = .white
    settings.style.buttonBarItemsShouldFillAvailiableWidth = true
    settings.style.buttonBarLeftContentInset = 0
    settings.style.buttonBarRightContentInset = 0
    
    changeCurrentIndexProgressive = {  (oldCell: ButtonBarViewCell?, newCell: ButtonBarViewCell?, progressPercentage: CGFloat, changeCurrentIndex: Bool, animated: Bool) -> Void in
      guard changeCurrentIndex == true else { return }
      oldCell?.label.textColor = UIColor(red: 1, green: 1, blue: 1, alpha: 0.7)
      newCell?.label.textColor = .white
    }
  }
  
  override func viewControllers(for pagerTabStripController: PagerTabStripViewController) -> [UIViewController] {
    
    let viewControllers = [FirstViewController(), SecondViewController(), ThiredViewController()]
    
    return viewControllers
  }
  
  
  
  //MARK: - Actions
  
  
}