UI中地圖的使用

@interface ViewController ()

{

    CLLocationManager *manager;

}

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view, typically from a nib.

    manager = [[CLLocationManager alloc]init];

    [manager requestAlwaysAuthorization];

    MKMapView *mapView = [[MKMapView alloc]initWithFrame:self.view.bounds];

    mapView.delegate = self;

    mapView.mapType = MKMapTypeStandard;

    CLLocationCoordinate2D center = {39.9115696831,116.2396262413};

    MKCoordinateSpan span = {0.1, 0.1};

    MKCoordinateRegion region = {center, span};

    [mapView setRegion:region animated:YES];

    mapView.showsUserLocation = YES;

    [self.view addSubview:mapView];

}

#pragma mark-MKMapViewDelegate

- (void)mapView:(MKMapView *)mapView didSelectAnnotationView:(MKAnnotationView *)view

{

    NSLog(@"view:%@",view);

}

- (void)mapView:(MKMapView *)mapView didUpdateUserLocation:(MKUserLocation *)userLocation

{

    NSLog(@"userLocation:%@",userLocation);

}

- (MKAnnotationView *)mapView:(MKMapView *)mapView viewForAnnotation:(id <MKAnnotation>)annotation

{

    NSLog(@"annotation:%@",annotation);

    return nil;

}