getview.cs

public override View GetView (int position, View convertView, ViewGroup parent)
		{

			var inflater = LayoutInflater.From (parent.Context);
			var view = convertView;

			if(view == null)
			{
				view = inflater.Inflate (Resource.Layout.InstructorRow, parent, false);
			}

			var photo = view.FindViewById<ImageView> (Resource.Id.photoImageView);
			var name = view.FindViewById<TextView > (Resource.Id.nameTextView);
			var specialty = view.FindViewById<TextView > (Resource.Id.specialtyTextView);

			using(Stream stream = parent.Context.Assets.Open (instructors [position].ImageUrl))
			{
				((BitmapDrawable)photo.Drawable)?.Bitmap?.Recycle();
				// Kind of heavy, but it prevents OOM.
				GC.Collect();
				Drawable drawable = Drawable.CreateFromStream (stream, null);
				photo.SetImageDrawable (drawable);
			}

			name.Text = instructors [position].Name;
			specialty.Text = instructors [position].Specialty;

			return view;
		}