iOS Swift UICollectionViewCustomLayout 滚动方向

Question

我正在尝试将 UIColloectionViewCustomLayout scrollDicretion 更改为 Horizo​​ntal。我试过:

let layout = CollectionViewLayout()
    layout.scrollDirection = .Horizontal
    self.collectionView.collectionViewLayout = layout

我需要得到这个结果

[1][4][7]
[2][5][8]
[3][6][9]

现在我有了这个

[1][2][3]
[4][5][6]
[7][6][9]

Answer 1

这里有一些链接可以帮助您了解该怎么做。

http://www.skeuo.com/uicollectionview-custom-layout-tutorial

https://www.amazon.com/iOS-UICollectionView-Complete-Mobile-Programming-ebook/dp/B00CFLTD50?ie=UTF8&redirect=true

On iOS, can you use UICollectionViewFlowLayout to get a vertical column layout?

UICollectionView - Horizontal scroll, horizontal layout?

Reorder cells of UICollectionView