Question 69358 in IOS Swift Question posted in
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iOS – Is there any method that will call after collection view loaded (set layout, set datasource) – Ios swift

I want to perform scroll to particular index path after collection view load complete. Is there any method that inform the collection view is loaded (set layout, set datasource)

NOTE: Im using DiffableDatasource to display collection view. I tried .apply snapshot completion – not working for me.

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3

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  1. Chosen as BEST ANSWER
    0

    Scroll to desired indexPath on completion of snapshot apply action working for me. Here is the code:

    dataSource.apply(snapshot, animatingDifferences: false) { in
     /// Scroll to indexPath action.
}

    Thanks.


  2. 0

    Please check where are you calling you collectionView.reloadData() lastly. after that line, you can simply call this.

    self.collectionView.scrollToItem(at:IndexPath(item: indexNumber, section: sectionNumber), at: .right, animated: false)

    For reference, visit this link.
    How to scroll to a particluar index in collection view in swift

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  3. 0

    In swift collectionView comes with scrollView property and that you can use to scroll to the particular item’s index

    yourCollectionView.scrollToItem(at: desiredIndexPath, at: UICollectionView.ScrollPosition, animated: false)

    for more information please go through this documentation

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