GMSMapView.h
的GMSMapViewDelegate
:
/**
* Called when a marker is about to become selected, and provides an optional
* custom info window to use for that marker if this method returns a UIView.
* If you change this view after this method is called, those changes will not
* necessarily be reflected in the rendered version.
*
* The returned UIView must not have bounds greater than 500 points on either
* dimension. As there is only one info window shown at any time, the returned
* view may be reused between other info windows.
*
* @return The custom info window for the specified marker, or nil for default
*/
- (UIView *)mapView:(GMSMapView *)mapView markerInfoWindow:(id<GMSMarker>)marker;