UICollectionViewCell not calling updateConstraints

2019-06-20 09:00发布

I have a UICollectionViewCell subclass. I wrote an updateConstraints method as I've done a hundred times before. For some reason that is never called when the cell is dequeued. I had to add a manual call to [cell setNeedsUpdateConstraints] after dequeueing it.

Any idea what could be going on here?

1条回答
Viruses.
2楼-- · 2019-06-20 09:23

Implement this method and return YES. This could probably help.

+ (BOOL)requiresConstraintBasedLayout

For details:

https://stackoverflow.com/a/23616469/1300262

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