Created
July 22, 2020 20:45
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DraggableView
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import UIKit | |
import PlaygroundSupport | |
final class ViewController: UIViewController { | |
// Step 1 | |
lazy private var draggableView: UIView = { | |
let view = UIView(frame: CGRect(origin: .zero, size: CGSize(width: 50, height: 50))) | |
view.backgroundColor = .red | |
return view | |
}() | |
override func viewDidLoad() { | |
super.viewDidLoad() | |
// Step 2 | |
draggableView.addGestureRecognizer(UIPanGestureRecognizer(target: self, action: #selector(panGestureHandler(panGesture:)))) | |
view.addSubview(draggableView) | |
} | |
// Step 3: | |
@objc | |
private func panGestureHandler(panGesture recognizer: UIPanGestureRecognizer) { | |
let location = recognizer.location(in: view) | |
draggableView.center = location | |
} | |
} | |
let viewController = ViewController() | |
PlaygroundPage.current.liveView = viewController | |
PlaygroundPage.current.needsIndefiniteExecution = true |
Author
mehmetfarhan
commented
Jul 22, 2020
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