Xamarin.Android Custom Adapter with different layout for Items

Custom Adapter Multiple Layouts

using System.Collections.Generic;
using Android;
using Android.Content;
using Android.Runtime;
using Android.Views;
using Android.Widget;


namespace GR3_chat_client
{
    class customadaptadorburbuja : BaseAdapter
    {
        public List<Actividadchat.textomasid> textoyid = new List<Actividadchat.textomasid> ();

        private const int TYPE_SENT = 0;

        private const int TYPE_RECEIVED = 1;

        string nombre = "YOUR_USER_NAME";

        Context context;

        List<string> listillaa = new List<string> ();

        public customadaptadorburbuja (Context context, List<Actividadchat.textomasid> listilla, string nombree)
        {
            this.context = context;
            textoyid = listilla;
            nombre = nombree;
        }

        public override Java.Lang.Object GetItem (int position)
        {
            return textoyid [position].texto;
        }

        public override long GetItemId (int position)
        {
            return textoyid [position].id;
        }

        public override int GetItemViewType (int position)
        {
            return AmISender(position) ? TYPE_SENT : TYPE_RECEIVED;
        }

        public override int ViewTypeCount
        {
            get { return 2; }
        }

        public override View GetView (int position, View convertView, ViewGroup parent)
        {
            CustomAdaptadorBurbujaViewHolder holder = null;

            var item = textoyid [position];

            var username = item.texto.Split ('¹') [0];
            var texto = item.texto.Split ('¹') [1];

            var viewType = GetItemViewType (position);

            var view = convertView;
            if (view == null)
            {
                var inflater = context.GetSystemService (Context.LayoutInflaterService).JavaCast<LayoutInflater> ();

                holder = new CustomAdaptadorBurbujaViewHolder();

                if (viewType == TYPE_SENT)
                    view = inflater.Inflate (Resource.Layout.chatsitosderecha, null);
                else
                    view = inflater.Inflate (Resource.Layout.chatsitos, null);

                holder.Title = view.FindViewById<TextView> (Resource.Id.textView1);
                view.Tag = holder;
            }
            else 
            {
                holder = view.Tag as CustomAdaptadorBurbujaViewHolder;
            }

            holder.Title.Text = viewType == TYPE_SENT ? $"Yo: {texto}" : $"${username}: {texto}";

            return view;
        }

        private bool AmISender (int position)
        {
            var item = textoyid [position];
            var username = item.texto.Split ('¹') [0];

            return string.Equals (username, nombre, System.StringComparison.InvariantCultureIgnoreCase);
        }

        public override int Count
        {
            get { return textoyid.Count; }
        }

    }

    class CustomAdaptadorBurbujaViewHolder : Java.Lang.Object
    {
    	public TextView Title { get; set; }
    }

}