Swift-UIScrollView-Image-Slider.swift

//
//  AdDetailVC.swift
//  
//
//  Created by GriSoft Mobile on 31.03.2018.
//  Copyright © 2018  All rights reserved.
//

import UIKit

class AdDetailVC: UIViewController, UIScrollViewDelegate   {

    @IBOutlet weak var adImageSliderScrollView: UIScrollView!
    @IBOutlet weak var imagePageControl: UIPageControl!
    var i = 0
    var featureArray = [UIImage(named: "55")!, UIImage(named: "56")!, UIImage(named: "57")!]
    
    override func viewDidLoad() {
        super.viewDidLoad()
        adImageSliderScrollView.delegate = self
        adImageSliderScrollView.contentSize = CGSize(width: adImageSliderScrollView.frame.width * CGFloat(featureArray.count), height: adImageSliderScrollView.frame.height)
        for i in 0..<featureArray.count{
            let imageview = UIImageView()
            imageview.image = featureArray[i]
            imageview.contentMode = .scaleAspectFill
            imageview.clipsToBounds = true
            let xPosition = self.adImageSliderScrollView.frame.width * CGFloat(i)
            imageview.frame = CGRect(x: xPosition, y: 0, width: self.adImageSliderScrollView.frame.width, height: self.adImageSliderScrollView.frame.height)
            print(imageview)
            adImageSliderScrollView.addSubview(imageview)
        }
        
//        let scrollingTimer = Timer.scheduledTimer(timeInterval: 2, target: self, selector: #selector(self.newStartScrolling), userInfo: nil, repeats: true)
//        scrollingTimer.fire()
    }
    @objc func newStartScrolling()
    {
        if i == featureArray.count {
            i = 0
        }
        let x = CGFloat(i) * adImageSliderScrollView.frame.size.width
        adImageSliderScrollView.setContentOffset(CGPoint(x: x, y: 0), animated: true)
        self.i += 1
    }


    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    func scrollViewDidScroll(_ scrollView: UIScrollView) {
        let page = scrollView.contentOffset.x / scrollView.frame.size.width
        imagePageControl.currentPage = Int(page)
    }

    /*
    // MARK: - Navigation

    // In a storyboard-based application, you will often want to do a little preparation before navigation
    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        // Get the new view controller using segue.destinationViewController.
        // Pass the selected object to the new view controller.
    }
    */

}