把以下 Object-C 放入 -(void)viewDidLoad 中

step 1: 觀看方法

mapView.mapType = MKMapTypeHybrid;

step 2: 加入大頭針

// 定位置    

CLLocationCoordinate2D locationOfPuiChing;

locationOfPuiChing.latitude = 22.201392;

locationOfPuiChing.longitude = 113.547864;

// 放下大頭針    

MKPointAnnotation *pin = [[[MKPointAnnotation alloc]init]autorelease];

pin.coordinate = locationOfPuiChing;

pin.title = @"Pui Ching Middle School";

pin.subtitle = @"Av.Horta no.7";

[mapView addAnnotation:pin];

step 3: 拉近距離觀看    

MKCoordinateRegion region = MKCoordinateRegionMakeWithDistance(locationOfPuiChing, 100.0, 100.0);

[mapView setRegion:region animated:YES];