我的 Collection View 已准备就绪，我正在尝试执行 didSelectItemAt 以转到详细 View 。但我只想测试记录每个项目，但它没有记录。
我已经设置了所有代表:
*
class ViewController: UIViewController, UICollectionViewDelegate, UICollectionViewDataSource, UICollectionViewDelegateFlowLayout, UISearchBarDelegate {*
@IBOutlet weak var activityIndicatorView: UIActivityIndicatorView!
@IBOutlet weak var searchBar: UISearchBar!
@IBOutlet weak var collection: UICollectionView!
override func viewDidLoad() {
super.viewDidLoad()
collection.dataSource = self
collection.delegate = self
searchBar.delegate = self
activityIndicatorView.isHidden = true
let tap: UITapGestureRecognizer = UITapGestureRecognizer(target: self, action: "dismissKeyboard")
view.addGestureRecognizer(tap)
}
*
我做错了什么？
func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
let movie : Movie
movie = MOVIE_ARRAY[indexPath.row]
print(movie.plot)
}
最佳答案
您已经在 View 上添加了一个 TapGestureRecognizer。 TapGestureRecognizer 有一个属性 cancelsTouchesInView。
- var cancelsTouchesInView: Bool { get set }
A Boolean value affecting whether touches are delivered to a view when a gesture is recognized.
默认情况下为 true 并且将阻止调用 didSelectItemAt，因为在识别点击后触摸不会传递到 View 。
您需要像这样将其设置为 false:
let tap: UITapGestureRecognizer = UITapGestureRecognizer(target: self, action: "dismissKeyboard")
tap.cancelsTouchesInView = false
view.addGestureRecognizer(tap)
关于ios - didSelectItemAt 未被调用，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/39780373/