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Questions - uicollectionviewcompositionallayout

UICollectionView compositional layout supplementary crash

I want to add separators on list-like collection view built with compositional layout. I know there is a solution in iOS 14, but I support iOS 13. I try to add separators as supplementary view to ever...
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Serge Sayfulin

ios

swift

crash

uicollectionviewcompositionallayout

Votes: 0

Answers: 1

Latest Answer

Because each NSCollectionLayoutSupplementaryItem should have a unique element kind. Each type of supplementary item must have a unique element kind. Consider tracking these strings together in a way t...
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Jinwoo Kim

UICollectionView with Compositional Layout disappears cells with frame still on screen

Trying to get a "sticky header" that will orthogonally scroll with the section, but only partially, leaving the trailing end exposed until scrolled backwards. Headers don't work as they don'...
test-img

nickneedsaname

ios

swift

uicollectionviewlayout

uicollectionviewcompositionallayout

Votes: 0

Answers: 1

Latest Answer

You can hack it with a header, a contentView + offset in the header, override hitTest on the header, section.visibleItemsInvalidationHandler to update the offset, and add a tapGesture on the view cont...
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nickneedsaname

Collection view self-sizing cells issue in Compositional layout

I am using a collection view compositional layout to display a cell with two labels that can grow in height, depending on the content of the labels. Everything else in the cell is fixed. I make a sect...
test-img

annaoomph

ios

swift

uicollectionview

autolayout

uicollectionviewcompositionallayout

Votes: 0

Answers: 1

Latest Answer

Since the labels live on the item and the item is the one that sizes the group, you need to have an .estimated height dimension on your item and if you only plan on having one item per group then the ...
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Lalo

iOS - UICollection view with resizable cells on scroll with CompositionalLayout

I need a collection view with cells that are resizing on scroll as in the screen recording. I can do this with Flow layout, but have no idea how can I achieve this behaviour with Compositional layout?...
test-img

Marta Paniti

ios

swift

uicollectionview

uicollectionviewcompositionallayout

uicollectionviewdelegateflowlayout

Votes: 0

Answers: 0

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