小编Vin*_*Vin的帖子

我有一个自定义视图，其中包含如下所示的集合视图集。

func setupCollectionView() {
    let layout = UICollectionViewFlowLayout()
    layout.sectionInset = UIEdgeInsets(top: scaled(height: 15), left: scaled(width: 35), bottom: scaled(height: 15), right: scaled(width: 35))
    layout.itemSize = CGSize(width: scaled(width: 30), height: scaled(width: 30))
    layout.minimumLineSpacing = 15
    layout.minimumInteritemSpacing = 30
    collectionView = UICollectionView(frame: CGRect.zero, collectionViewLayout: layout)
    collectionView.showsVerticalScrollIndicator = false
    collectionView.showsHorizontalScrollIndicator = false
    collectionView.register(THTexasHoldemEmojiCell.self, forCellWithReuseIdentifier: THTexasHoldemEmojiCell.className)
}

和委托功能

extension THTexasHoldemEmojisView {

    func setupDelegates() {
        collectionView.dataSource = self
        collectionView.delegate = self
    }

}

extension THTexasHoldemEmojisView: UICollectionViewDelegate {

    func collectionView(_ collectionView: UICollectionView, didHighlightItemAt indexPath: IndexPath) {
        print("did …