The latest sample of magnetometer data.
SDKs
Framework
var magnetometerData: CMMagnetometerIf no magnetometer data is available, the value of this property is nil. An app that is receiving magnetometer data after calling start periodically checks the value of this property and processes the magnetometer data.
var magnetometerThe interval, in seconds, at which the system delivers magnetometer data to the block handler.
func startStarts magnetometer updates on an operation queue and with a specified handler.
func startStarts magnetometer updates without a block handler.
func stopStops magnetometer updates.
typealias CMMagnetometerThe type of block callback for handling magnetometer data.