A Swift library for implementing drag-and-drop data transfer between multiple UICollectionViews in iOS apps.
KDDragAndDropCollectionView is a Swift library that implements drag-and-drop functionality for transferring data items between multiple UICollectionViews in iOS applications. It solves the problem of building interactive interfaces where users need to visually reorder or move items across different collection views, such as in dashboard apps, file managers, or content organizers.
iOS developers building apps with complex collection view interactions, particularly those needing cross-collection drag-and-drop features for data manipulation.
Developers choose this library because it provides a ready-made, protocol-based solution for implementing drag-and-drop between collection views, saving development time compared to building custom implementations while maintaining full control over data management.
This component allows for the transfer of data items between collection views through drag and drop
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Enables seamless drag-and-drop between multiple UICollectionViews, as demonstrated in the example with three collection views managed by a single KDDragAndDropManager.
Provides a clear KDDragAndDropCollectionViewDataSource protocol, letting developers explicitly manage data insertion, deletion, and movement during drag operations.
Allows specifying draggable and droppable items through optional methods like collectionView(_:cellIsDraggableAtIndexPath:), offering customization beyond basic functionality.
Supports quick setup via CocoaPods or manual file addition, with interface builder compatibility shown in the installation screenshot.
Cannot handle drag-and-drop with other UIKit components like UITableViews, restricting use in apps with mixed view types.
Requires data items to conform to Equatable for unique identification, which can complicate models with duplicate display values, as noted in the README for Scrabble-like games.
Written for Swift 4.0 and iOS 8+, potentially requiring updates for newer Swift versions and lacking support for modern features like SwiftUI.
The quick guide relies on collection view tags for data identification, acknowledged as 'bad practice,' indicating a less elegant API design that might confuse developers.