如何使用 SwiftUI 在 UICollectionViewCell 中填充内容 [英] How can I use SwiftUI to populate content in a UICollectionViewCell

问题描述

因为 SwiftUI 没有 UICollectionView-like 控件，所以我用 UIKit 代替.

Because SwiftUI has no UICollectionView-like controls,so I used UIKit instead.

根据interifying-with-uikit，我知道如何SwiftUI 与UIKit 交互，但我想进一步使用SwiftUI 封装UICollectionViewCell，并使用SwiftUI 来填充 UICollectionViewCell 的内容，我该怎么做.

According to interfacing-with-uikit, I know how SwiftUI interacts with UIKit, but I want to further use SwiftUI to encapsulate UICollectionViewCell, and use SwiftUI to fill the content of UICollectionViewCell, how can I do that.

据我所知SwiftUI中的List是按照UITableView封装的，我希望SwiftUI对UICollectionView也做同样的事情，我不想用一些三方库来做这个，我想学习秘诀

As far as I know List in SwiftUI are encapsulated according to UITableView, I want SwiftUI to do the same with UICollectionView,I don't want to use some tripartite libraries to do this, I want to learn the secrets

推荐答案

假设您有 CellContentView SwiftUI 视图，您可以使用类似以下内容将其集成到 UICollectionViewCell 中

Assuming you have CellContentView SwiftUI view, you can integrate it in UICollectionViewCell using something like the following

if let cellContent = UIHostingController(rootView: CellContentView()).view {
    cell.contentView.addSubview(cellContent)

    cellContent.leadingAnchor.constraint(equalTo: cell.leadingAnchor).isActive = true
    cellContent.trailingAnchor.constraint(equalTo: cell.trailingAnchor).isActive = true
    cellContent.topAnchor.constraint(equalTo: cell.topAnchor).isActive = true
    cellContent.bottomAnchor.constraint(equalTo: cell.bottomAnchor).isActive = true
}

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