protected override void OnCreate(Bundle savedInstanceState)
        {
            base.OnCreate(savedInstanceState);
            var guid = Intent.Extras.GetStringArrayList("guid")[0];

            SetContentView(Resource.Layout.note);
            if (guid == "add")
            {
                this.its_new_notes = true;
            }
            else
            {
                this.its_new_notes = false;
                var      sql_lite  = new HelperSqlLite();
                var      text      = sql_lite.return_notes_text_from_guid(guid);
                EditText text_edit = FindViewById <EditText>(Resource.Id.notes_text_view);
                text_edit.Text = text;
            }
            Button go_back = FindViewById <Button>(Resource.Id.go_back);


            go_back.Click += (sender, e) =>
            {
                close_form(guid);
                var intent = new Intent(this, typeof(MainActivity));
                StartActivity(intent);
            };
        }
 private bool close_form(string guid)
 {
     try
     {
         EditText notes_text_view = FindViewById <EditText>(Resource.Id.notes_text_view);
         var      text            = notes_text_view.Text;
         if (text == "")
         {
             text = "Вы не написали текст но не перживайте программа сделала это за вас";
         }
         var sql_lite = new HelperSqlLite();
         if (this.its_new_notes)
         {
             sql_lite.create_new_notes(text);
         }
         else
         {
             sql_lite.change_notes_text(guid, text);
         }
         return(true);
     }
     catch (ArgumentException e)
     {
         Console.WriteLine(e);
         return(false);
     }
 }
        protected override void OnCreate(Bundle savedInstanceState)
        {
            base.OnCreate(savedInstanceState);

            var sql_lite   = new HelperSqlLite();
            var list_notes = sql_lite.create_list_of_notes();
            var dict_notes = sql_lite.get_notes_ui_list();

            this.ListAdapter         = new ArrayAdapter <String>(this, Android.Resource.Layout.SimpleListItem1, list_notes);
            this.ListView.ItemClick += delegate(object sender, AdapterView.ItemClickEventArgs args)
            {
                Intent        intent = new Intent(this, typeof(NotesView));
                List <string> guid   = new List <string>();
                guid.Add(dict_notes[args.Id]);
                intent.PutStringArrayListExtra("guid", guid);
                StartActivity(intent);
            };
        }