Swift googlemaps缩放代理(侦听器)

Swift googlemaps缩放代理(侦听器),swift,google-maps,zooming,Swift,Google Maps,Zooming,我正在尝试实现检测谷歌地图缩放级别变化的功能 我试过这个,但没有按预期效果 func mapView(mapView: GMSMapView, didChangeCameraPosition position: GMSCameraPosition) { } func mapView(mapView: GMSMapView, didChangeCameraPosition position: GMSCameraPosition) { print(position.zoom)

我正在尝试实现检测谷歌地图缩放级别变化的功能

我试过这个,但没有按预期效果

func mapView(mapView: GMSMapView, didChangeCameraPosition position: GMSCameraPosition) {
}
func mapView(mapView: GMSMapView, didChangeCameraPosition position: GMSCameraPosition) {
     print(position.zoom)
     if(position.zoom != self.startZoomPosition){
          self.zoomIsActive = true
     }
}