iPhone App: implementation of Drag and drop images in UIView

Question

In my iPhone App I want to implemented functionality as shown below

Answer 1

You can use below open source libraries:

1. Library 1 OBDragDrop
2. Library 2 AJWDraggableDroppable
3. Library 3 iOS-DragAndDrop
4. Library 4 ios-drag-and-drop