import UIKit
extension UIScreen
{
#if os(watchOS)
static let screenSize = WKInterfaceDevice.current().screenBounds.size
static let screenWidth = screenSize.width
static let screenHeight = screenSize.height
#elseif os(iOS) || os(tvOS)
static let screenSize = UIScreen.main.nativeBounds.size
static let screenWidth = screenSize.width
static let screenHeight = screenSize.height
#elseif os(macOS)
static let screenSize = NSScreen.main?.visibleFrame.size
static let screenWidth = screenSize.width
static let screenHeight = screenSize.height
#endif
static let middleOfScreen = CGPoint(x: screenWidth / 2, y: screenHeight / 2)
}