CoreMotion Changes for Objective-C CoreMotion CMPedometer.h Added +[CMPedometer isCadenceAvailable] Added +[CMPedometer isPaceAvailable] Added CMPedometerData.currentCadence Added CMPedometerData.currentPace CMSensorRecorder.h (Added) Added CMRecordedAccelerometerData Added CMRecordedAccelerometerData.identifier Added CMRecordedAccelerometerData.startDate Added CMSensorDataList Added CMSensorRecorder Added -[CMSensorRecorder accelerometerDataFrom:to:] Added -[CMSensorRecorder accelerometerDataSince:] Added +[CMSensorRecorder isAccelerometerRecordingAvailable] Added +[CMSensorRecorder isAuthorizedForRecording] Added -[CMSensorRecorder recordAccelerometerFor:]