protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate(bundle);

            // Set our view from the "main" layout resource
            SetContentView(Resource.Layout.Main);

            btnAdd        = (Button)FindViewById(Resource.Id.buttonAddContact);
            btnAdd.Click += delegate
            {
                Intent intent = new Intent(this, typeof(Contact));
                intent.PutExtra("acao", "incluir");
                StartActivity(intent);
                Finish();
            };


            ContatoList listContatos = new ContatoList();
            var         contatos     = listContatos.GetListContatos();

            listViewcontatos = (ListView)FindViewById(Resource.Id.listViewContacts);
            ContatoAdapter adapter = new ContatoAdapter(contatos);

            listViewcontatos.Adapter = adapter;

            listViewcontatos.ItemClick += verContato_ItemClick;
        }
        private void verContato_ItemClick(object sender, AdapterView.ItemClickEventArgs e)
        {
            ContatoList listContatos = new ContatoList();
            var         contatos     = listContatos.GetListContatos();

            Contato contato = contatos[e.Position];

            Intent intent = new Intent(this, typeof(SeeContact));

            intent.PutExtra("acao", "consultar");
            intent.PutExtra("nome", contato.Nome);
            intent.PutExtra("email", contato.Email);
            intent.PutExtra("fone", contato.Fone);
            intent.PutExtra("id", contato.Id);
            StartActivity(intent);
            Finish();
        }