Here are the approximate zoom levels and what they do :
1: World
5: Landmass/continent
10: City
15: Streets
20: Buildings
so you could do something like this to zoom to street level for example (note the "15f" below is street level) :
override fun onMapReady(googleMap: GoogleMap?) {
googleMap?.mapType = GoogleMap.MAP_TYPE_NORMAL
googleMap?.addMarker(MarkerOptions()
.position(LatLng(37.4233438, -122.0728817))
.title("cool place")
.icon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_ROSE)))
googleMap?.animateCamera(CameraUpdateFactory.newLatLngZoom(LatLng(37.4233438, -122.0728817), 15f))
note: just so you know different locations can have different max zoom levels. try to use googleMap.maxZoomLevel
if you want to get the max or min zoom levels.