mikevoyt
/ gist:4613982
Last active
February 8, 2023 12:52
Example of how to create a pinned header with UICollectionView (i.e., a header that doesn't scroll with the rest of the cells).
As simple as possible - assumes a single header, at index path [0,0], to be pinned at the top of the collection view.
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| //Override UICollectionViewFlowLayout class | |
| @interface FixedHeaderLayout : UICollectionViewFlowLayout | |
| @end | |
| @implementation FixedHeaderLayout | |
| //Override shouldInvalidateLayoutForBoundsChange to require a layout update when we scroll | |
| - (BOOL) shouldInvalidateLayoutForBoundsChange:(CGRect)newBounds { | |
| return YES; | |
| } |