private async void OnOpenButtonClicked(object sender, EventArgs e)
        {
            var files   = _fileWorker.GetFilesAsync().Result.ToArray();
            var archive = await DisplayActionSheet("Choose archive", "Cancel", null, files);

            if (archive == "Cancel")
            {
                return;
            }
            _jsonKeeper.Filename = archive;
            _deviceData          = await _jsonKeeper.Browse();
        }