IEnumerator Start()
{
    // First, check if user has location service enabled
    if (!Input.location.isEnabledByUser)
    {
        ErrorHandler.ShowMessageError("Location service not enabled");
        isLoopAllowed = false;
        yield break;
    }

    // Start service before querying location
    Input.location.Start(Storage.LOCATION_SENSITIVITY, Storage.LOCATION_SENSITIVITY);

    // Wait until service initializes
    int maxWait = 20;
    while (Input.location.status == LocationServiceStatus.Initializing && maxWait > 0)
    {
        yield return new WaitForSeconds(1);
        maxWait--;
    }

    // Service didn't initialize in 20 seconds
    if (maxWait < 1)
    {
        ErrorHandler.ShowMessageError("Timed out");
        isLoopAllowed = false;
        yield break;
    }

    // Connection has failed
    if (Input.location.status == LocationServiceStatus.Failed)
    {
        ErrorHandler.ShowMessageError("Can't locate your device");
        isLoopAllowed = false;
        yield break;
    }
    else
    {
        // Access granted and location value could be retrieved
        //print("Location: " + Input.location.lastData.latitude + " " + Input.location.lastData.longitude + " " + Input.location.lastData.altitude + " " + Input.location.lastData.horizontalAccuracy + " " + Input.location.lastData.timestamp);
        Storage.USER_LATITUDE = Input.location.lastData.latitude;
        Storage.USER_LONGITUDE = Input.location.lastData.longitude;
        Storage.LOCATION_READY = true;
    }
}