//

class Toast: UIView {
	
}
class ToastTestVC: UIViewController {
	
	override func viewDidLoad() {
		super.viewDidLoad()
		view.backgroundColor = .systemYellow
	}
	
	override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
		showToast("")
	}
	
	var y: CGFloat = 20.0
	func computeToastFrame() -> CGRect {
		// increment y every time this is called
		//	until we get near the bottom, then start
		//	back at the top
		y += 60.0
		if y > view.frame.height - 100.0 {
			y = 80.0
		}
		return .init(x: 100.0, y: y, width: 200.0, height: 50.0)
	}

	func showToast(_ message: String) {
		let frame = computeToastFrame()
		let toast = Toast(frame: frame)
		toast.backgroundColor = .red
		view.addSubview(toast)
		UIView.animate(withDuration: 1, delay: 1, options: .allowUserInteraction) {
			toast.alpha = 0.02
		} completion: { _ in
			toast.removeFromSuperview()
		}
	}

}