private async void SetupContent()
        {
            try
            {
                bool success = await AndroidUtils.PrepActivityFiles(this, learningActivity);

                if (!success)
                {
                    Toast.MakeText(this, $"{GetString(Resource.String.ConnectionError)}", ToastLength.Long).Show();
                    Finish();
                    return;
                }
            }
            catch (Exception e)
            {
                Toast.MakeText(this, $"{GetString(Resource.String.ErrorTitle)}: {e.Message}", ToastLength.Long).Show();
                Finish();
                return;
            }

            recyclerView.SetAdapter(adapter);
            layoutManager = new LinearLayoutManager(this);
            recyclerView.SetLayoutManager(layoutManager);

            ChildItemDecoration childDecoration = new ChildItemDecoration(this, 20);

            recyclerView.AddItemDecoration(childDecoration);
        }
        private async Task DownloadActivities()
        {
            foreach (LearningActivity act in collection.Activities)
            {
                try
                {
                    bool success = await AndroidUtils.PrepActivityFiles(this, act).ConfigureAwait(false);

                    if (!success)
                    {
                        RunOnUiThread(() => Toast.MakeText(this, $"{GetString(Resource.String.ConnectionError)}", ToastLength.Long).Show());
                        return;
                    }
                }
                catch (Exception e)
                {
                    RunOnUiThread(() => Toast.MakeText(this, $"{GetString(Resource.String.ErrorTitle)}: {e.Message}", ToastLength.Long).Show());
                    return;
                }
            }
        }