Optimising custom marker image performance with Google Maps SDK for iOS

Question

I have recently been incorporating the Google Maps for iOS SDK within an iOS app. This app is designed to retrieve position of aircraft (including aircraft model, lat/lng, s

Answer 1

Instead of setting marker's iconView, set marker's icon. That too initialize the image outside of for loop, as below

func displayMarkers() {
let iconImage = UIImage(named: "locationgreen")
for partner in partners {
    let lat : Double = Double(partner.location?.coordinates![1] ?? 0)
    let lng : Double = Double(partner.location?.coordinates![0] ?? 0)

    let position = CLLocationCoordinate2D(latitude: lat, longitude: lng)
    let marker = GMSMarker(position: position)
    marker.title = partner.name
    marker.icon = iconImage
    }
}