Recently I pointed out a tutorial covering the basics of using the UICollectionView library and also an excellent example project showing how to create a customizable coverflow style control using UICollectionview.
Today I came across an excellent extension from Stan Chang Khin Boon for the UICollectionViewFlowLayout class that makes it easy to add drag and drop re-ordering to a UICollectionView grid.
This extension behaves just like the iOS Springboard and iBooks by zooming in when an item is selected, and reordering the other items.
You can find the extension LXReorderableCollectionViewFlowLayout on Github here.
A great extension, and included you’ll find an excellent example that uses Storyboards.
Original article: Nifty UICollectionView Extension That Adds Drag And Drop Re-Ordering
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