UICollectionView sticky header

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// Initialize Flow Layout.
    UICollectionViewFlowLayout *layout=[[UICollectionViewFlowLayout alloc] init];
    layout.sectionHeadersPinToVisibleBounds = YES;
    layout.itemSize = CGSizeMake(cellWidth, cellHeight);
    layout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
    layout.minimumInteritemSpacing = 5;

    layout.minimumLineSpacing = 5;



Assign this UICollectionViewFlowLayout to UICollectionView and to collection view sticky header get sets.


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