证明UICollectionView的最后一行 [英] Justify last line of UICollectionView

问题描述

据我所见， UICollectionViewFlowLayout 证明除了最后一行之外的所有部分的行。因此，例如，如果没有足够的项目来填充超过1行，则结果不合理。

As far as I can see, UICollectionViewFlowLayout justifies all the lines of a section except the last one. So for example, if there aren't enough items to fill more than 1 line, the result is not justified.

配置或子类的最简单方法 UICollectionViewFlowLayout 这样它也可以证明一个部分的最后一行？

What is the simplest way to either configure or subclass UICollectionViewFlowLayout so that it also justifies the last line of a section?

推荐答案

您可以通过继承UICollectionViewFlowLayout并覆盖<来执行此操作code> layoutAttributesForElementsInRect：和 layoutAttributesForItemAtIndexPath：将所有项目放在最后一行（第一行除外，这已经是正确的）你想要它们，通过更改项目的UICollectionViewLayoutAttributes对象的 frame 属性。

You can do this by subclassing UICollectionViewFlowLayout and overriding layoutAttributesForElementsInRect: and layoutAttributesForItemAtIndexPath: to place all the items in the last line (except the first, which is already correct) where you want them, by changing the frame property of the item's UICollectionViewLayoutAttributes object.

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