home_view_detail_basic.dart

  Future<Uint8List?> fetchData() async {
    final data = await homeService.downloadFile(model.document ?? '');
    return data;
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      floatingActionButton: buildFloatingActionButtonDownlaod(),
      appBar: AppBar(title: Text(model.title ?? '')),
      body: fetchData().toBuild<Uint8List?>(
          onSuccess: (data) {
            if (data != null) {
              return PdfView(controller: PdfController(document: PdfDocument.openData(data)));
            } else {
              return buildErrorWidget();
            }
          },
          loadingWidget: CircularProgressIndicator(),
          notFoundWidget: buildErrorWidget(),
          onError: buildErrorWidget()),
    );
  }