I am trying to implement a multi-row sequence of items (like Video editing sequence in Final Cut Pro or Adobe Premiere pro shown below).
While I one can always implement it using UIScrollView and placing custom views manually, it would be tedious particularly in reordering items and animating changes and also zooming across the timeline using pinch gesture. Is it possible to implement it using UICollectionView using UICollectionViewCompositionalLayout and UICollectionViewDiffableDataSource? From WWDC videos, it seems almost everything is possible using compositional layout but it isn’t clear if it is possible to implement a timeline using it. Maybe UICollectionView is not the right paradigm for this use case and one should use UIScrollView? Even if I use UIScrollView, managing things like dragging & reordering items, animating datasource changes, trimming items, zooming the content are going to be issues. Any pointers to existing code base that implements these features?
Source: Ios Questions