Zoom map region to current location.

ZoomToCurrentLocation.m

- (IBAction)zoomToCurrentLocation:(id)sender
{
    NSLog(@"zoomToCurrentLocation");

    //Start updating location because we want it...
    [_myLocationManager startUpdatingLocation];

    NSLog(@"lat:  %f", _myLocationManager.location.coordinate.latitude);
    NSLog(@"long: %f", _myLocationManager.location.coordinate.longitude);

    MKCoordinateRegion
            viewRegion = MKCoordinateRegionMakeWithDistance(_myLocationManager.location.coordinate, defaultRange,
                                                            defaultRange);
    [_dangerMap setRegion:viewRegion animated:YES];

    //Stop updating location to save battery
    [_myLocationManager stopUpdatingLocation];

}