Top "Uicollectionview" questions

UICollectionView exception in UICollectionViewLayoutAttributes from iOS7

I have done a View in CollectionView with CustomLayout. In iOS6 it worked great but iOS7 it throws an exception …

uicollectionview uicollectionviewlayout

Trying to override "selected" in UICollectionViewCell Swift for custom selection state

I am trying to implement a custom selection style for my cells in a UICollectionView. Even though it is easily …

ios swift uicollectionview uicollectionviewcell

Poor UICollectionView Scrolling Performance With UIImage

I have a UICollectionView in my app, and each cell is a UIImageView and some text labels. The problem is …

objective-c performance uicollectionview rubymotion uicollectionviewcell

negative or zero sizes are not supported in the flow layout

I got a rather complicated collectionView cell and I've noticed that if I scroll really fast on my collectionView it …

ios uicollectionview autolayout uicollectionviewcell

UICollectionView shouldSelectItemAtIndexPath=NO does not avoid deselecting old selection?

I have multiple items in a CollectionView, but only a few of them should be selectable. I'm handling this with …

selection uicollectionview

UICollection view reloadData cause recreate visible cell

When I call reloadData method of UICollectionView it cause all visible cell to blink. I found that reason of this …

ios uitableview uicollectionview reloaddata

Check whether cell at indexPath is visible on screen UICollectionView

I have a CollectionView which displays images to the user. I download these in the background, and when the download …

ios swift uicollectionview uicollectionviewcell nsindexpath

UICollectionView how to deselect all

I have a FollowVC and FollowCell Setup with collection View. I can display all the datas correctly into my uIcollection …

ios objective-c swift uicollectionview uicollectionviewcell

Animating UICollectionView on orientation changes

Consider a UICollectionView that has a different number of items and a different layout (ie: spacing) on landscape and portrait …

iphone ios uiinterfaceorientation uicollectionview

Add border to custom CollectionView

How can I add border to UICollectionView's cells which uses a custom UICollectionViewFlowLayout? When I override UICollectionView's flow layout, cell …

ios swift uicollectionview uicollectionviewcell uicollectionviewlayout