_locationManager = [[CLLocationManager alloc] init];
[_locationManager setDelegate:self];
self.locationManager.headingOrientation = CLDeviceOrientationFaceUp;
[self.locationManager setDistanceFilter:kCLDistanceFilterNone];
[self.locationManager setDesiredAccuracy:kCLLocationAccuracyBestForNavigation];
[self.locationManager startUpdatingLocation];
self.locationManager.activityType = CLActivityTypeFitness;