loadingBannerBuilder property

PdfViewerLoadingBannerBuilder? loadingBannerBuilder
final

Build loading banner.

Please note that the progress is only reported for PdfViewer.uri on non-Web platforms.

The following fragment illustrates how to build loading banner that shows the download progress:

loadingBannerBuilder: (context, bytesDownloaded, totalBytes) {
  return Center(
    child: CircularProgressIndicator(
      // totalBytes is null if the total bytes is unknown
      value: totalBytes != null ? bytesDownloaded / totalBytes : null,
      backgroundColor: Colors.grey,
    ),
  );
},

Implementation

final PdfViewerLoadingBannerBuilder? loadingBannerBuilder;