CollectionView move to next cell automatically swift

Question

I am trying to create horizontal slider like Flipkart. I am using collectionView with Horizontal scrolling and paging. Cell contains imageView. I am succeed in scrolling items h

Answer 1

Here is my slightly improved solution. It stops the scroll when user manually starts to scroll and restarts it if the cell is reused again.

var x = 0
weak var timer: Timer?

var cashbackOffers = [CashbackOffer]() {
    didSet {
        collectionView.reloadData()
        autoScroll()
    }
}

fileprivate func autoScroll() {
    x = 0
    timer?.invalidate()
    timer = Timer.scheduledTimer(withTimeInterval: 3.0, repeats: true) { [weak self] timer in
        guard let `self` = self else {
            timer.invalidate()
            return
        }
        if self.cashbackOffers.count == 0 {
            return
        }
        if self.x < self.cashbackOffers.count {
            let indexPath = IndexPath(item: self.x, section: 0)
            self.collectionView.scrollToItem(at: indexPath, at: .centeredHorizontally, animated: true)
            self.x = self.x + 1
        } else {
            self.x = 1
            self.collectionView.scrollToItem(at: IndexPath(item: 0, section: 0), at: .centeredHorizontally, animated: true)
        }
    }
    timer?.fire()
}

func scrollViewDidScroll(_ scrollView: UIScrollView) {
    if scrollView.isTracking {
        timer?.invalidate()
    }
}

override func awakeFromNib() {
    super.awakeFromNib()
    autoScroll()
}