3
我有一個視圖控制器與GMSMapView
,並已加載到地圖上的一些標記。我可以更改使用mapView.selectedMarker = ...
選擇哪個標記,但是如何更改所選標記的顏色?如何在swift中選擇時更改google maps標記顏色?
我有一個視圖控制器與GMSMapView
,並已加載到地圖上的一些標記。我可以更改使用mapView.selectedMarker = ...
選擇哪個標記,但是如何更改所選標記的顏色?如何在swift中選擇時更改google maps標記顏色?
您可以使用GMSMarker.markerImage(with: <UIColor?>)
來重置標記的圖標。
文檔:Google Maps iOS SDK GMSMarker Class Reference
import GoogleMaps
// view controller
class MapViewController: UIViewController {
// outlets
@IBOutlet weak var mapView: GMSMapView!
// view did load method
override func viewDidLoad() {
super.viewDidLoad()
// set map view delegate
mapView.delegate = self
}
}
// extension for GMSMapViewDelegate
extension MapViewController: GMSMapViewDelegate {
// tap map marker
func mapView(_ mapView: GMSMapView, didTap marker: GMSMarker) -> Bool {
print("didTap marker \(marker.title)")
// remove color from currently selected marker
if let selectedMarker = mapView.selectedMarker {
selectedMarker.icon = GMSMarker.markerImage(with: nil)
}
// select new marker and make green
mapView.selectedMarker = marker
marker.icon = GMSMarker.markerImage(with: UIColor.green)
// tap event handled by delegate
return true
}
}