Collection View Compositional Layoutsで盛大に壊れるバグを見つけた。

8:37 AM

let item = NSCollectionLayoutItem(layoutSize: NSCollectionLayoutSize(widthDimension: NSCollectionLayoutDimension.fractionalWidth(1), heightDimension: NSCollectionLayoutDimension.estimated(44))) item.contentInsets = NSDirectionalEdgeInsets(top: 10, leading: 10, bottom: 10, trailing: 10) let group = NSCollectionLayoutGroup.horizontal(layoutSize: NSCollectionLayoutSize(widthDimension: NSCollectionLayoutDimension.fractionalWidth(1), heightDimension: NSCollectionLayoutDimension.estimated(44)), subitems: [item]) let section = NSCollectionLayoutSection(group: group) let layout = UICollectionViewCompositionalLayout(section: section)

Estimated heightとcontentInsetsを一緒に設定すると起こる。

8:38 AM

再現プロジェクト https://github.com/kishikawakatsumi/CollectionViewCompositionalLayoutsBugIOS13beta8

kishikawakatsumi/CollectionViewCompositionalLayoutsBugIOS13beta8

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