我需要用蓝点圆圈在地图中显示用户当前位置。我使用了 CLLocationManager。但地图视图只显示。我发送了自定义纬度,经度。但是这个纬度,经度不能显示在地图上。
代码:
- (void)viewDidLoad
{
UIView *vc=[[UIView alloc]initWithFrame:CGRectMake(0, 0, 320, 480)];
[self.view addSubview:vc];
MKMapView *map = [[MKMapView alloc] init];
map.frame = CGRectMake(0, 0, 320, 480);
map.showsUserLocation=YES;
[self.view addSubview:map];
locationManager = [[CLLocationManager alloc] init];
locationManager.delegate = self;
locationManager.distanceFilter = kCLDistanceFilterNone;
locationManager.desiredAccuracy = kCLLocationAccuracyBest;
[locationManager startUpdatingLocation];
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
}
- (void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation {
// NSLog(@"OldLocation %f %f", oldLocation.coordinate.latitude, oldLocation.coordinate.longitude);
// NSLog(@"NewLocation %f %f", newLocation.coordinate.latitude, newLocation.coordinate.longitude);
CLLocationCoordinate2D loc = [newLocation coordinate];
NSLog(@"current longitude = %f , current latitude = %f",loc.longitude,loc.latitude);
}