Get device current orientation (App Extension)

Question

How to get device current orientation in an App Extension, I have tried below two methods but no success.

1. It always return UIDeviceOrientationUnknown

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Answer 1

I got an idea!

extension UIScreen {

    var orientation: UIInterfaceOrientation {
        let point = coordinateSpace.convertPoint(CGPointZero, toCoordinateSpace: fixedCoordinateSpace)
        if point == CGPointZero {
            return .Portrait
        } else if point.x != 0 && point.y != 0 {
            return .PortraitUpsideDown
        } else if point.x == 0 && point.y != 0 {
            return .LandscapeLeft
        } else if point.x != 0 && point.y == 0 {
            return .LandscapeRight
        } else {
            return .Unknown
        }
    }

}

EDIT: On Swift 4 you can do:

extension UIScreen {
    var orientation: UIInterfaceOrientation {
        let point = coordinateSpace.convert(CGPoint.zero, to: fixedCoordinateSpace)
        switch (point.x, point.y) {
        case (0, 0):
            return .portrait
        case let (x, y) where x != 0 && y != 0:
            return .portraitUpsideDown
        case let (0, y) where y != 0:
            return .landscapeLeft
        case let (x, 0) where x != 0:
            return .landscapeRight
        default:
            return .unknown
        }
    }
}