HomeViewModel.kt

private fun requestLocationUpdates() {
        locationKitManager?.requestLocationUpdatesWithCallback(
            locationRequest = LocationRequest().apply {
                interval = 10000L
                priority = LocationRequest.PRIORITY_HIGH_ACCURACY
                needAddress = true // This let you to reach the current address information.
            },
            locationCallback = object : LocationCallback() {
                override fun onLocationResult(locationResult: LocationResult?) {
                    if (locationResult != null) {
                        with(locationResult.lastHWLocation) {

                            if (!isNearbyHealthInstitutionsFetched.get()) {
                                if (userLocation?.city == null &&
                                    userLocation?.country == null &&
                                    userLocation?.state == null &&
                                    userLocation?.coordinate == null
                                ) {
                                    userLocation?.city = city
                                    userLocation?.country = countryName
                                    userLocation?.state = state
                                    userLocation?.coordinate = latitude to longitude

                                    isCoordinateAvailable.value = Unit

                                    viewModelScope.launch {
                                        nearbyHealthInstitutionSites.value =
                                            withContext(context = Dispatchers.Default) {
                                                var list = listOf<Site>()
                                                while (list.isEmpty()) {
                                                    Log.i(MTAG, "list is empty")
                                                    list = getNearbyHealthInstitutions()
                                                }
                                                isNearbyHealthInstitutionsFetched.set(true)
                                                list
                                            } as ArrayList<Site>
                                    }
                                }
                            }

                            if (stepList != null)
                                rotateCameraToCurrentDirection(locationResult.lastLocation, stepList!!)
                        }
                    } else Log.i(MTAG, "locationResult is NULL !!")
                }
            })
    }