UIDeviceOrientation orientation;

    orientation = [[UIDevice currentDevice] orientation];

    switch (orientation) {

        case UIDeviceOrientationFaceUp:

            self.orientationLabel.text=@"Face Up";

            break;

        case UIDeviceOrientationFaceDown:

            self.orientationLabel.text=@"Face Down";

            break;

        case UIDeviceOrientationPortrait:

            self.orientationLabel.text=@"Standing Up";

            break;

        case UIDeviceOrientationPortraitUpsideDown:

            self.orientationLabel.text=@"Upside Down";

            break;

        case UIDeviceOrientationLandscapeLeft:

            self.orientationLabel.text=@"Left Side";

            break;

        case UIDeviceOrientationLandscapeRight:

            self.orientationLabel.text=@"Right Side";

            break;

        default:

            self.orientationLabel.text=@"Unknown";

            break;

    }

本文出自 “深圳市联城通科技公司” 博客，谢绝转载！

IOS 方向开发