/// <summary>
        /// Get the weather info, from a file that we have on the physical device.
        /// </summary>
        /// <param name="city">name of the city where we search the info, also is the filename.</param>
        /// <param name="folder">folder where we have the files with the info</param>
        /// <returns>An object from ActualWeather class, whith the actual weather and the forecast of 5 days</returns>
        public static async Task <ActualWeather> GetStoredWeather(string city, string folder)
        {
            dynamic results = await DataService.ReadWeatherFromFile(city, folder);

            if (results != null)
            {
                try
                {
                    ActualWeather actuWeather = results;
                    return(actuWeather);
                }
                catch
                {
                    return(null);
                }
            }
            else
            {
                return(null);
            }
        }