CoreDragon from Nevyn Bengtsson allowing you to add very intuitive drag and drop to an app inspired by the drag’n’drop functionality within Mac OS X. What’s interesting about Core Dragon is that not only it works between views, between screens and even between apps in split-view mode.
A tap and hold gesture allows the user to select an item, and the user can then use another finger to navigate through the app while holding onto the item to be dropped.
A number of demos are included showing how to use CoreDragon.
You can find CoreDragon on Github here.
Nevyn has also posted a video demonstration of CoreDragon.
A great library for drag-n-drop implementation.
Original article: Open Source iOS Library For Drag And Drop That Works Between Views, Screens, And Even Apps
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