async void OnGetFileListButtonClicked(object sender, EventArgs e)
        {
            var fileList = await AzureStorage.GetFilesListAsync(ContainerType.Text);

            listView.ItemsSource = fileList;
            //	editor.Text = string.Empty;
            deleteButton.IsEnabled = false;
        }
        async void caricaLista()
        {
            DialogService.ShowLoading(Strings.Loading);
            pickerList.Items.Clear();
            var fileList = await AzureStorage.GetFilesListAsync(ContainerType.Image);

            foreach (var items in fileList)
            {
                pickerList.Items.Add(items);
            }
            editor.Source = "";
            DialogService.HideLoading();
        }