ios swift development
UIView -1.How to drag and drop a view
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This video guides you how to make a drag and drop gesture(UIPanGestureRecognizer, UILongPressGestureRecognizer). After dragging, the view will be located in the new position. There are some steps:
1. Create a basic Xcode project with a UIView named dragAndDropView.
2. Add layout constraints to layout dragAndDropView as: width = height = 100px, align top and align left to View = 2px
3. Create a UILongPressGestureRecognizer to dragAndDropView, minimumPressDuration = 0.
4. when user drags and drops the dragAndDropView, change the dragAndDropView's frame to new coordinator.
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