Importing .ICS-file in my calendar made in android application

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C#

.NET

XAML

Android

Hey there :)
I am currently trying to find a way to import an .ICS link/URL in my calendar. I tried using one I found here on this site: Dday.Ical (https://www.codeproject.com/Articles/17980/Adding-iCalendar-Support-to-Your-Program-Part-1), but kept getting the exception: System.TypeLoadException.. I have the newest version of .NET framework and also I added the DDay.iCal package.

The code I am executing is (also as shown in the link):

using System;
using System.Collections.Generic;
using System.Text;

// Required DDay.iCal namespace
using DDay.iCal;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            // Load the calendar file
            IICalendarCollection calendars = iCalendar.LoadFromFile(@"Business.ics");

            //
            // Get all events that occur today.
            //
            IList&occurrence> occurrences = calendars.GetOccurrences
				(DateTime.Today, DateTime.Today.AddDays(1));

            Console.WriteLine("Today's Events:");

            // Iterate through each occurrence and display information about it
            foreach (Occurrence occurrence in occurrences)
            {
                DateTime occurrenceTime = occurrence.Period.StartTime.Local;
                IRecurringComponent rc = occurrence.Source as IRecurringComponent;
                if (rc != null)
                    Console.WriteLine(rc.Summary + ": " + 
				occurrenceTime.ToShortTimeString());
            }

            //
            // Get all occurrences for the next 7 days, starting tomorrow.
            //
            occurrences = calendars.GetOccurrences
		(DateTime.Today.AddDays(1), DateTime.Today.AddDays(7));

            Console.WriteLine(Environment.NewLine + "Upcoming Events:");

            // Start with tomorrow
            foreach (Occurrence occurrence in occurrences)
            {
                DateTime occurrenceTime = occurrence.Period.StartTime.Local;
                IRecurringComponent rc = occurrence.Source as IRecurringComponent;
                if (rc != null)
                    Console.WriteLine(rc.Summary + ": " + occurrenceTime.ToString());
            }
        }
    }
}

I have got no clue why it is not working.. are there maybe easier ways to import events to a calendar in an android app?

What I have tried:

I have tried the things I mentioned in the question