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UICollectionViewController How to resize a cell?

I get a headache trying to resize a cell (width and height) in a UICollectionViewController . With UITableViewController there is a method:

 - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath

But with the UICollectionViewController I cannot find a way to do this programmatically.

I have a UICollectionViewCell , but it is not.

How to resize a cell in a UICollectionViewController ?

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It looks like you need to use UICollectionViewFlowLayout and UICollectionViewFLowLayoutDelegate and implement

 - (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath

Check out the Ray Wenderlich tutorial: http://www.raywenderlich.com/22324/beginning-uicollectionview-in-ios-6-part-12

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Source: https://habr.com/ru/post/1443681/

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