The floor of a building on which the user's device is located.
- iOS 8.0+
- tvOS 9.0+
- watchOS 2.0+
- Core Location
CLFloor object specifies the floor of the building on which the device is located. In places where floor information can be determined, a
CLLocation object may include a floor object along with the regular location data.
You do not create instances of this class directly, nor should you subclass it.