Device orientation is the orientation in which the device is located. We can get the device orientation using this call:
[[UIDevice currentDevice] orientation]
This will return one of the following states: UIDeviceOrientationUnknown UIDeviceOrientationPortrait UIDeviceOrientationPortraitUpsideDown UIDeviceOrientationLandscapeLeft UIDeviceOrientationLandscapeRight UIDeviceOrientationFaceUp UIDeviceOrientationFaceDown
FaceUp FaceDown. , . , , , .
, UIInterfaceOrientation . , , . UIInterfaceOrientation , :
[[UIApplication sharedApplication] statusBarOrientation]