Why should UICollectionViewDataSource be in UIViewController instead of UITableViewCell ?

[havelio]

Hi thanks for sharing, Would you tell me what the problem if we put UICollectionViewDataSource in the UITableViewCell ?

[ashfurrow-peril[bot]]

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[ashfurrow]

It's a good question, and it's a matter of opinion, really. I believe that UITableViewCells should only be concerned with display logic. To make them the data sources for the collection view would violate the single-responsibility principle. You could do it – there's nothing stopping you – but I would recommend against it.