when (key) {
                "isPro" -> fbUserRef.child(key).setValue(sharedPreferences.getBoolean(key, false))
                "phoneNo",
                "specialties",
                "messagingToken" -> fbUserRef.child(key).setValue(sharedPreferences.getString(key, ""))
                "searchRadiusInKms" -> {
                    searchRadiusInKms = sharedPreferences.getInt(key, searchRadiusInKms)
                    searchRadiusInMeters = searchRadiusInKms * 1000
                    zoomLevel = (16 - Math.log((searchRadiusInMeters / 500).toDouble()) / Math.log(2.0)).toInt()
                    fbUserPrefsRef.child(key).setValue(searchRadiusInKms)
                    locationService?.updateGeoQuery()
                    locationService?.drawCircleAndMoveCamera()
                }
                null -> {
                    do1
                    do2
                    do3
                }
            }