The direction in which the device is traveling, measured in degrees and relative to due north.
- iOS 2.2+
- macOS 10.7+
- Mac Catalyst 13.0+Beta
- tvOS 9.0+
- watchOS 2.0+
- Core Location
Course values are measured in degrees starting at due north and continue clockwise around the compass. Thus, north is 0 degrees, east is 90 degrees, south is 180 degrees, and so on. Course values may not be available on all devices. A negative value indicates that the course information is invalid.
In iOS, this property is declared as
nonatomic. In macOS, it is declared as