UICollectionView 3 column grid, 1px space?? (image included)

Question

I have setup a UICollectionView with a FlowLayout that leaves no space in between cells in either the vertical or horizontal directions.

I have everything working, y

Answer 1

I was having the same problem, I fixed it with the code below:

 func collectionView(collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAtIndexPath indexPath: NSIndexPath) -> CGSize {

    let paddingSpace = sectionInsets.left * 4
    let availableWidth = view.frame.width - paddingspace
    let widthPerItem  = availableWidth/3

    return CGSizeMake(width: widthPerItem, height: widthPerItem)
}

and define the variable below in the begin of your class:

fileprivate let sectionInsets = UIEdgeInsets(top: 0.0, left: 0.5, bottom: 0.0, right: 0.0)