Getting item size in custom layout

[Recouse]

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How can I get value of - (CGSize)sizeForItemAtIndex:(NSInteger)index; method in my custom UICollectionViewLayout?

[popei69]

I have a similar issue where my custom UICollectionViewLayout does the size calculation to adapt to the screen (list vs grid), something I'm not sure I want to leave to the ListSectionController and where collectionContext doesn't have enough info anyway.

[jassimkm]

I am trying to do Pinterest layout Any Ideas are welcome

[Recouse]

@jassimkm You can get item size from the adapter with layout delegate. Like this:

extension ViewController: CustomCollectionViewLayoutDelegate {
    func sizeForItem(at indexPath: IndexPath) -> CGSize {
        return adapter.sizeForItem(at: indexPath)
    }
}