[英]MDCCardCollectionCell doesn't call didSelect method - swift
I am trying to custom UICollectionViewCell
by using material-components
called MDCCardCollectionCell
. 我想定制
UICollectionViewCell
使用material-components
称为MDCCardCollectionCell
。 But when i implement it successfully which means when i click on each cell i can see animate and so on.. But one issue after implemented that class MDCCardCollectionCell
then method didSelect
is never call when i click on each and every cell. 但是,当我成功实现它时,这意味着当我单击每个单元格时,我可以看到动画等。但是在实现该类
MDCCardCollectionCell
之后,当我单击每个单元格时,永远不会调用方法didSelect
。
Before it was working fine, after i implemented MDCCardCollectionCell
then the issue occurs. 在运行良好之前,我实现了
MDCCardCollectionCell
之后便出现了问题。 How to solve this particular issue? 如何解决这个特定问题?
Here is what i have done so far 这是我到目前为止所做的
func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
let cell = collectionView.dequeueReusableCell(withReuseIdentifier: cellId, for: indexPath) as! ExploreCellData
cell.exploreData = exploreCategory?.data![indexPath.item]
cell.layer.shouldRasterize = true
cell.layer.rasterizationScale = UIScreen.main.scale
cell.isSelectable = true
cell.cornerRadius = 8
cell.setShadowElevation(ShadowElevation(rawValue: 6), for: .selected)
cell.setShadowColor(UIColor.black, for: .highlighted)
return cell
}
func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
if let data = exploreCategory?.data![indexPath.item] {
if let titleImage = data.imageName {
print(titleImage)
// This will push to another view controller after selected
dashboardViewController?.showDetailEachItem(data: titleImage, imageContent: data.titleImage!, imageDesc: data.descImage!)
}
}
}
ExploreCellData
is a custom cell using MDCCardCollectionCell
ExploreCellData
是使用MDCCardCollectionCell
的自定义单元格
class ExploreCellData: MDCCardCollectionCell {
var exploreData: ExploreDataSection? {
didSet{
if let image = exploreData?.imageName {
viewsProperty.exploreImageView.image = UIImage(named: image)
viewsProperty.exploreNameLabel.text = exploreData?.titleImage
}
}
}
var viewsProperty = ExploreCategoryComponents()
let nameLabelView: UIView = {
let view = UIView()
view.translatesAutoresizingMaskIntoConstraints = false
view.layer.cornerRadius = 5
view.layer.masksToBounds = true
view.backgroundColor = .white
return view
}()
override init(frame: CGRect) {
super.init(frame: frame)
setupConstraint()
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
}
extension ExploreCellData {
func setupConstraint() {
addSubview(viewsProperty.cardView)
viewsProperty.cardView.frame = CGRect(x: 0, y: 0, width: frame.width, height: frame.height)
viewsProperty.cardView.addSubview(viewsProperty.exploreImageView)
viewsProperty.cardView.addSubview(nameLabelView)
viewsProperty.cardView.addSubview(viewsProperty.exploreNameLabel)
viewsProperty.exploreImageView.frame = CGRect(x: 5, y: 5, width: frame.width - 10, height: frame.height / 1.5)
// nameLabel.frame = CGRect(x: frame.width / 5, y: imageView.frame.maxY + 2, width: frame.width, height: frame.height / 4)
viewsProperty.exploreNameLabel.topAnchor.constraint(equalTo: viewsProperty.exploreImageView.bottomAnchor).isActive = true
viewsProperty.exploreNameLabel.widthAnchor.constraint(equalTo: self.widthAnchor).isActive = true
viewsProperty.exploreNameLabel.bottomAnchor.constraint(equalTo: viewsProperty.cardView.bottomAnchor).isActive = true
viewsProperty.exploreNameLabel.textAlignment = .center
// viewsProperty.exploreNameLabel.centerYAnchor.constraint(equalTo: nameLabelView.centerYAnchor).isActive = true
// viewsProperty.exploreNameLabel.centerXAnchor.constraint(equalTo: nameLabelView.centerXAnchor).isActive = true
}
} }
in the collection view didSelect try calling the class type 在集合视图中didSelect尝试调用类类型
let cell = collectionView.cell(indexPath.row) as? ExploreCellData
if let data = cell.exploreCatagory.......
also, try setting the cells isSelectable Here's a website that will help if these don't work: https://material.io/develop/ios/components/cards/api-docs/Classes/MDCCardCollectionCell.html#/c:objc(cs)MDCCardCollectionCell(py)selectable 另外,请尝试设置单元格isSelectable这是一个网站,如果这些按钮不起作用,它将提供帮助: https : //material.io/develop/ios/components/cards/api-docs/Classes/MDCCardCollectionCell.html#/c : objc (cs)MDCCardCollectionCell(py)可选
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