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ppth0608/CollectionCellSize.swift

Created July 28, 2019 07:18
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How to make square size of collection view cell
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CollectionCellSize.swift
func collectionViewSize(flowLayout: UICollectionViewFlowLayout, numberOfItemsInRow count: Int) -> CGSize {
let itemSpacing = flowLayout.minimumInteritemSpacing
let leftInset = flowLayout.sectionInset.left
let rightInset = flowLayout.sectionInset.right
let size = (collectionView.bounds.width - (leftInset + rightInset) - (itemSpacing * CGFloat(count - 1))) / CGFloat(count)
return CGSize(width: size, height: size)
}
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