KrauserHuang

let itemSize = NSCollectionLayoutSize(widthDimension: .fractionalWidth(1.0), heightDimension: .fractionalWidth(2/3))
let fullPhotoItem = NSCollectionLayoutItem(layoutSize: itemSize)

KrauserHuang

func generateLayout() -> UICollectionViewLayout {
	let itemSize = NSCollectionLayoutSize(
		widthDimension = .fractionalWidth(1.0),
		heightDimension = .fractionalHeight(1.0))
	let fullPhotoItem = NSCollectionLayoutItem(layoutSize: itemSize)

	fullPhotoItem.contentInsets = NSDirectionalEdgeInsets(top: 2, leading: 2, bottom: 2, trailing: 2)

	let groupSize = NSCollectionLayoutSize(
		widthDimension = .fractionalWidth(1.0),

KrauserHuang

var snapshot = Snapshot()
// 要裝入sections/items
snapshot.appendSections([.main])
snapshot.appendItems(videoList)
// snapshot.appendItems(list, toSection: .main)
dataSource.apply(snapshot, animatingDifferences: animatingDifferencecs)

KrauserHuang

typealias Snapshot = NSDiffableDataSourceSnapshot<Section, Item>

KrauserHuang

func configureDataSource() -> DataSoure {
	let dataSource = DataSource(collectionView: collectionView) { collectionView, indexPath, video -> UICollectionViewCell? in
    let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "VideoCollectionViewCell", for: indexPath) as? VideoCollectionViewCell
    cell?.video = video
    return cell
  }
  return dataSource
}

KrauserHuang

typealias DataSource = UICollectionViewDiffableDataSource<Section, Item>

KrauserHuang

func scene(_ scene: UIScene, openURLContexts URLContexts: Set<UIOpenURLContext>) {
//        紀錄url scheme
        print(URLContexts)
        guard let url = URLContexts.first?.url else{return}
        urlScheme(url.absoluteString)
    }
    func urlScheme(_ urlStr: String){
        let root = UIApplication.shared.windows.first?.rootViewController as? RootTabBarController
        let navi = root?.selectedViewController as? UINavigationController
        navi?.popToRootViewController(animated: true)

KrauserHuang

struct CategoryCellModel { //CellModel儲存category跟isSelected參數
    let category: Category
    var isSelected: Bool = false
}

var categories = [CategoryCellModel]() {
    didSet {
        DispatchQueue.main.async {
            self.categoryCollectionView.reloadData()
        }

KrauserHuang

var receivedData: Data?

func startLoad() {
    loadButton.isEnabled = false
    let url = URL(string: "https://www.example.com/")!
    receivedData = Data()
    let task = session.dataTask(with: url)
    task.resume()
}

KrauserHuang

filteredItems.removeAll()
for item in items {
    if item.product_type == categories[indexPath.item].productType {
        filteredItems.append(item)
    }
}