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let layout = UICollectionViewCompositionalLayout(sectionProvider: { | |
(sectionIndex: Int, layoutEnvironment: NSCollectionLayoutEnvironment) -> NSCollectionLayoutSection? in | |
let itemSize = NSCollectionLayoutSize(widthDimension: .fractionalWidth(1.0), | |
heightDimension: .fractionalHeight(1.0)) | |
let item = NSCollectionLayoutItem(layoutSize: itemSize) | |
// (1) setting widthDimension to half of collectionView size | |
let groupSize = NSCollectionLayoutSize(widthDimension: .fractionalWidth(0.5), | |
heightDimension: .absolute(50)) | |
let group = NSCollectionLayoutGroup.horizontal( | |
layoutSize: groupSize, | |
subitem: item, | |
count: 1 | |
) | |
// (2) customize layout group here | |
section.interGroupSpacing = 16 | |
return section | |
}) |
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