private void MessageReceived(ProximityDevice sender, ProximityMessage message)
{
Dispatcher.BeginInvoke(() => {
var buf = DataReader.FromBuffer(message.Data);
List <NdefRecord> recordList = new List <NdefRecord>();
NdefRecordUtility.ReadNdefRecord(buf, recordList);
NdefRecord firstRecord = recordList[0];
byte[] payload = firstRecord.Payload;
GetBadgeData(payload);
});
}
/// <summary>
/// Parses the details from the given message. The output is a string
/// that can be appended into the log.
/// </summary>
/// <param name="message">The message to parse.</param>
/// <returns>The parsed details as a string.</returns>
private string ParseNdef(ProximityMessage message)
{
var output = "";
using (var buf = DataReader.FromBuffer(message.Data))
{
NdefRecordUtility.ReadNdefRecord(buf, _recordList);
for (int i = 0, recordNumber = 0, spRecordNumber = 0; i < _recordList.Count; i++)
{
NdefRecord record = _recordList.ElementAt(i);
if (!record.IsSpRecord)
{
if (System.Text.Encoding.UTF8.GetString(record.Type, 0, record.TypeLength) == "Sp")
{
output = output + "\n --End of Record No." + recordNumber; spRecordNumber = 0;
continue;
}
else
{
recordNumber++;
output = output + "\n --Record No." + recordNumber;
}
}
else
{
if (spRecordNumber == 0)
{
recordNumber++;
output = output + "\n --Record No." + recordNumber;
}
spRecordNumber++;
output = output + "\n Sp sub-record No." + spRecordNumber;
}
output = output + "\n MB:" + ((record.Mb) ? "1;" : "0;");
output = output + " ME:" + ((record.Me) ? "1;" : "0;");
output = output + " CF:" + ((record.Cf) ? "1;" : "0;");
output = output + " SR:" + ((record.Sr) ? "1;" : "0;");
output = output + " IL:" + ((record.Il) ? "1;" : "0;");
string typeName = NdefRecordUtility.GetTypeNameFormat(record);
if (record.TypeLength > 0)
{
output = output + "\n Type: " + typeName + ":"
+ System.Text.Encoding.UTF8.GetString(record.Type, 0, record.TypeLength);
}
if ((record.Il) && (record.IdLength > 0))
{
output = output + "\n Id:"
+ System.Text.Encoding.UTF8.GetString(record.Id, 0, record.IdLength);
}
if ((record.PayloadLength > 0) && (record.Payload != null))
{
if ((record.Tnf == 0x01) &&
(System.Text.Encoding.UTF8.GetString(record.Type, 0, record.TypeLength) == "U"))
{
NdefUriRtd uri = new NdefUriRtd();
NdefRecordUtility.ReadUriRtd(record, uri);
output = output + "\n Uri: " + uri.GetFullUri();
}
else if ((record.Tnf == 0x01) &&
(System.Text.Encoding.UTF8.GetString(record.Type, 0, record.TypeLength) == "T"))
{
NdefTextRtd text = new NdefTextRtd();
NdefRecordUtility.ReadTextRtd(record, text);
output = output + "\n Language: " + text.Language;
output = output + "\n Encoding: " + text.Encoding;
output = output + "\n Text: " + text.Text;
}
else
{
if (record.Tnf == 0x01)
{
output = output + "\n Payload:"
+ System.Text.Encoding.UTF8.GetString(record.Payload, 0, record.Payload.Length);
}
}
}
if (!record.IsSpRecord)
{
output = output + "\n --End of Record No." + recordNumber;
}
}
}
return(output);
}