SelfSizingCollectionViewDemo

What?

UICollectionView contentSize will not work properly!:sob:

Occurrence condition

• Use Self-sizing.
• Setting minimumLineSpacing and minimumInteritemSpacing to different value.
• UICollectionView scrollDirection is horizontal.

Environment

• Xcode 11.3
• Swift 5.1
• iOS12.0 ~ iOS13.3

How to bugfix

Setting minimumLineSpacing and minimumInteritemSpacing to equal value.

Blog

ブログを書いたよ。 【Swift】横スクロールの可変UICollectionViewCellを実装するときの注意点【Self-sizing】