/// <summary>
        /// Метод получения текущих координат
        /// </summary>
        public async void RequestLocationUpdates()
        {
            var hasPermission = await CommonStaffUtils.CheckPermissions(Permission.Location);

            if (!hasPermission)
            {
                return;
            }
            CrossGeolocator.Current.PositionChanged += Current_PositionChanged;
            CrossGeolocator.Current.PositionError   += Current_PositionError;
            await CrossGeolocator.Current.StartListeningAsync(TimeSpan.FromSeconds(1), 5);
        }