Beginning Collection Views - Part 6: Subclassing | Ray Wenderlich

Learn how to customize your layout by creating a subclass of UICollectionViewFlowLayout and add an animation when an item is inserted into the collection view.

This is a companion discussion topic for the original entry at

This video series don’t play for me in Safari, however it works with Google Chrome

All others series I have watched so far work with Safari, don’t know why this one don’t


Slow Animation is only available when running in the Simulator?

Hi, why I can’t write just “cell.frame = cell.frame.insetBy(dx: 2.0, dy: 3.0)” in cellForItemAt method and that’s it?