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automatic scroll collectionview swift
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| @IBOutlet weak var collectionView: UICollectionView! | |
| // fill your datasource array with data | |
| var datasource: [] = [] | |
| override func viewDidLoad() { | |
| super.viewDidLoad() | |
| startTimer() | |
| } | |
| func startTimer() { | |
| let timer = Timer.scheduledTimer(timeInterval: 1.0, target: self, selector: #selector(self.scrollAutomatically), userInfo: nil, repeats: true) | |
| } | |
| @objc func scrollAutomatically(_ timer1: Timer) { | |
| if let coll = collectionView { | |
| for cell in coll.visibleCells { | |
| let indexPath: IndexPath? = coll.indexPath(for: cell) | |
| if ((indexPath?.row)! < datasource.count - 1){ | |
| let indexPath1: IndexPath? | |
| indexPath1 = IndexPath.init(row: (indexPath?.row)! + 1, section: (indexPath?.section)!) | |
| coll.scrollToItem(at: indexPath1!, at: .right, animated: true) | |
| } | |
| else{ | |
| let indexPath1: IndexPath? | |
| indexPath1 = IndexPath.init(row: 0, section: (indexPath?.section)!) | |
| coll.scrollToItem(at: indexPath1!, at: .left, animated: true) | |
| } | |
| } | |
| } | |
| } |
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