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我使用follwing代碼來顯示給定緯度經度值的形象,但它給錯誤的MKMapView沒有顯示地圖
NSString*lat=latitude;
NSString*longi=longitude;
mapView = [[MKMapView alloc] initWithFrame:self.view.bounds];
mapView.mapType = MKMapTypeHybrid;mapView.mapType=MKMapTypeHybrid;
double _lat = [lat doubleValue];
double _lng = [longi doubleValue];
CLLocationCoordinate2D coord = (CLLocationCoordinate2D){_lat, _lng};
MKCoordinateSpan span = (MKCoordinateSpan){0.2, 0.2};
MKCoordinateRegion region = (MKCoordinateRegion){coord, span};
[mapView setRegion:region];
[self.view addSubview:mapView];
什麼是錯誤? –
應用程序崩潰後第一行代碼 – ali
崩潰報告????? –