Top "Uicollectionviewlayout" questions

Horizontal UICollectionView single row layout

I'm trying to setup what should be a simple horizontal layout using UICollectionView, going around in circles without achieving the …

ios objective-c uicollectionview uicollectionviewlayout horizontalscrollview

What is a 'UIView-Encapsulated-Layout-Width' constraint?

I keep getting 'Unable to simultaneously satisfy constraints' exceptions (Xcode 5, iOS 7, both device and simulator), where one of the constraints …

ios uicollectionview autolayout nslayoutconstraint uicollectionviewlayout

UICollectionView with two headers

Having two headers in UICollectionView? I've got a UICollectionView which uses the flow layout, which also has a header and …

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How to set the position of cells on UICollectionView

I have an UIViewController which contains a UICollectionView. But the UICollectionView does not fill all the UIViewController. I find that …

ios uicollectionview uicollectionviewlayout

UICollectionViewLayout layoutAttributesForElementsInRect and layoutAttributesForItemAtIndexPath

I'm implementing a custom flow layout. It has 2 main methods for overriding to determine placement of cells: layoutAttributesForElementsInRect and layoutAttributesForItemAtIndexPath. …

ios objective-c uicollectionview uicollectionviewlayout uicollectionviewdelegate

How to add an UICollectionViewLayout programmatically?

I'm trying to setup a UICollectionViewLayout programmatically. I'm using a UICollectionView also without using storyboards, as well as settings its …

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iOS 10/11 UICollectionViewFlowLayout using UICollectionViewFlowLayoutAutomaticSize results in footer supplementary view misaligned

So this is an interesting issue we found with UICollectionViewFlowLayout on iOS 10 (still an issue on 11) and using UICollectionViewFlowLayoutAutomaticSize for …

ios uicollectionview uicollectionviewlayout

Warning: UICollectionViewFlowLayout has cached frame mismatch for index path 'abc'

This is the code causing the warning: private override func layoutAttributesForItemAtIndexPath(indexPath: NSIndexPath) -> UICollectionViewLayoutAttributes? { let attributes = super.layoutAttributesForItemAtIndexPath(…

ios swift uicollectionview uicollectionviewlayout

viewForSupplementaryElementOfKind not being called on custom UICollectionViewLayout

I created a custom UICollectionViewLayout and I've put it in my Collection View Controller in the storyboard. I didn't get …

ios objective-c uicollectionview uicollectionviewlayout uicollectionreusableview

sizeForItemAtIndexPath is not found in different swift versions

I am using UICollectionView but following method not found: func collectionView(collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAtIndexPath indexPath: NSIndexPath) -&…

swift swift3 uicollectionview swift4 uicollectionviewlayout