iOS.定位服务与地图应用.05.跟踪用户位置变化

#import <UIKit/UIKit.h>
#import <MapKit/MapKit.h>

@interface T20140621000000ViewController : UIViewController<MKMapViewDelegate>

@property (weak, nonatomic) IBOutlet MKMapView *mapView;

@end

#import "T20140621000000ViewController.h"

@interface T20140621000000ViewController ()

@end

@implementation T20140621000000ViewController


- (void)viewDidLoad
{
    [super viewDidLoad];
    
    if ([CLLocationManager locationServicesEnabled])
    {
        _mapView.mapType = MKMapTypeStandard;
        _mapView.delegate = self;
        _mapView.showsUserLocation = YES;
        [_mapView setUserTrackingMode:MKUserTrackingModeFollow animated:YES];
    }
}

- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
}



#pragma mark -
#pragma mark Map View Delegate Methods
- (void)mapView:(MKMapView *)mapView didUpdateUserLocation:(MKUserLocation *)userLocation
{
    _mapView.centerCoordinate = userLocation.location.coordinate;
}

- (void)mapViewDidFailLoadingMap:(MKMapView *)theMapView withError:(NSError *)error
{
    NSLog(@"error : %@",[error description]);
}


@end