UI中地图的使用

@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;}