React Native Google Maps Navigation?

react-native-google-map-navigation.md

const createNavigationURL = (startLat, startLng, lat, lng) => {
  const scheme = Platform.select({
    ios: `maps:${startLat}?q=`,
    android: `geo:${startLng}?q=`
  });
  const latLng = `${lat},${lng}`;
  const label = "Custom Label";
  const url = Platform.select({
    ios: `${scheme}${label}@${latLng}`,
    android: `${scheme}${latLng}(${label})`
  });
  return url;
};

export { createNavigationURL };