iOS Swift 螢幕翻轉(Screen Rotation)

static var orientationLock = UIInterfaceOrientationMask.portrait
func application(
    _ application: UIApplication, 
    supportedInterfaceOrientationsFor window: UIWindow?
) -> UIInterfaceOrientationMask {
    return AppDelegate.orientationLock
}

AppDelegate.orientationLock = UIInterfaceOrientationMask.landscapeLeft
UIDevice.current.setValue(
    UIInterfaceOrientation.landscapeLeft.rawValue,
    forKey: "orientation"
)
UIViewController.attemptRotationToDeviceOrientation()

AppDelegate.orientationLock = UIInterfaceOrientationMask.all
UIDevice.current.setValue(
    UIInterfaceOrientation.landscapeLeft.rawValue,
    forKey: "orientation"
)
UIViewController.attemptRotationToDeviceOrientation()