A simple cross-platform NFC tag reader for .NET 8.0 and above. Supports Android, iOS and Mac Catalyst. The API is based on WebNFC and currently supports reading only.

Usage

Create new NdefReader

var reader = new NdefReader();
reader.Reading += Reader_Reading;

Start session

await reader.ScanAsync(cancellationToken);

Example event handler

private void Reader_Reading(object sender, NdefReadingEventArgs e)
{
    Dispatcher.Dispatch(() =>
    {
        foreach (var record in e.Message.Records)
        {
            if (record.RecordType == NdefRecordType.Mime)
            {
                DisplayAlert("NDEF", $"{record.MediaType} {((byte[])record.Data).Length}", "OK");
            }
            else
            {
                DisplayAlert("NDEF", $"{record.RecordType} {record.Data}", "OK");
            }
        }

        _cts.Cancel();
    });
}

32feet.NET

Further documentation, including the source, samples, current issues and Wiki are available on the GitHub repository.