UICollectionView display 3 items per row

Question

I have a UICollectionView created from storyboard,

I want to have 3 items per row in the view. I managed to do that using the following:

    - (CGSiz         


        

Answer 1

- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath{
    return CGSizeMake(self.collectionView.bounds.size.width/3, self.collectionView.bounds.size.width/3);
}

Most important thing need to do as well is in size inspector of collectionView set up the minimum spacing for cell & line to 0