MSPCVDI Complete Example

snippet.swift

import UIKit
import MSPeekCollectionViewDelegateImplementation

class ViewController: UIViewController {
    
    @IBOutlet weak var collectionView: UICollectionView!
    let delegate = MSPeekCollectionViewDelegateImplementation()

    override func viewDidLoad() {
        super.viewDidLoad()
        collectionView.configureForPeekingDelegate()
        collectionView.delegate = delegate
        collectionView.dataSource = self
    }


}

extension ViewController: UICollectionViewDataSource {
    func numberOfSections(in collectionView: UICollectionView) -> Int {
        return 1
    }
    
    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
        return 4
    }
    
    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
        let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "Cell", for: indexPath)
        cell.contentView.backgroundColor = UIColor.red
        return cell
    }
}