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Questions - reloaddata

Why UICollectionView ReloadItems always calls CellForItemAt twice for each item?

Why UICollectionView ReloadItems always calls CellForItemAt twice for each item? And how to prevent duplicate calls? How to prevent spending double resources for reloading of selected cells? ReloadDat...
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Дмитрий Акимов

swift

uicollectionview

reloaddata

Votes: 0

Answers: 1

Latest Answer

You should not make any assumptions about how often the system will call your collectionView(_:cellForItemAt:) method. Just build and return cells when it asks you to. If it sometimes asks you for the...
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Duncan C

How to correctly update CollectionView, when I swipe UIScrollView

I need to resolve problem: my Views into CollectionView not updating correctly when I swipe UIScrollView. I want to get update after scroll complete, but instead my View are updating every time when U...
test-img

Mikl.hart

ios

swift

xcode

uiscrollview

reloaddata

Votes: 0

Answers: 0

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