static void Main(string[] args)
{
try
{
Console.WriteLine(string.Format("GoToTags NFC Sample App v{0}", Assembly.GetCallingAssembly().GetName().Version.ToString()));
Console.WriteLine();
Licensing.Unlock("unlock code goes here");
Console.WriteLine(string.Format("Licensed to: {0}", Licensing.GetLicenseData()));
Console.WriteLine();
Console.WriteLine("Place an nfc tag on the reader; press 'Enter' when ready.");
Console.ReadLine();
Console.WriteLine();
try
{
var isCertPropSvcRunning = CertPropSvc.IsRunning();
if (isCertPropSvcRunning)
{
Console.WriteLine("The CertPropSvc Service is running; it interferes with NFC and should be stopped.");
CertPropSvc.StopService();
Console.WriteLine("The CertPropSvc service was stopped.");
Console.WriteLine();
}
else
{
Console.WriteLine("The CertPropSvc service is not running.");
Console.WriteLine();
}
}
catch (Exception)
{
// trap exceptions here, some systems dont have this service
}
nfcAdapter = NfcAdapter.DefaultAdapter;
if (nfcAdapter == null)
{
Console.WriteLine("No nfc readers found");
goto done;
}
// get all of the readers
Console.WriteLine("Supported Nfc readers:");
var readers = nfcAdapter.SupportedReaders();
if (readers.Count() > 0)
{
readers.ToList().ForEach(r => Console.WriteLine(r.ToString()));
Console.WriteLine();
}
else
{
Console.WriteLine("No nfc readers found");
goto done;
}
// use the first reader
var reader = readers.First();
NfcAdapter.Adapter(reader);
// get the tag
var tag = nfcAdapter.GetTag();
if (tag == null)
{
Console.WriteLine("An nfc tag is not on the reader.");
Console.WriteLine();
}
else
{
var tagTech = tag.TagType;
Console.WriteLine(string.Format("Tag Tech: {0}", tagTech));
// ndef operations
using (var ndef = NdefTechnology.Get(tag))
{
ndef.Connect();
var isFormatted = ndef.IsFormatted;
Console.WriteLine(string.Format("Is Formatted: {0}", isFormatted));
var isWritable = ndef.IsWritable;
Console.WriteLine(string.Format("Is Writable: {0}", isWritable));
var tagUID = ndef.TagUIDString();
Console.WriteLine(string.Format("Tag UID: {0}", tagUID));
Console.WriteLine();
Console.WriteLine("Ndef Records:");
var message = ndef.GetNdefMessage();
if (message != null)
{
foreach (var record in message.Records)
{
Console.WriteLine(string.Format("{0} {1}", record.GetType().Name, record.ToString()));
}
Console.WriteLine();
}
if (isWritable)
{
ndef.Erase();
Console.WriteLine("The tag's contents have been erased.");
Console.WriteLine();
// encode an ndef url to the nfc tag
var nfcUriRecord = new NfcUriRecord("http://www.buynfctags.com");
ndef.WriteNdefMessage(nfcUriRecord);
Console.WriteLine("The tag has been encoded with the url: {0}", nfcUriRecord.Uri);
Console.WriteLine();
// this will make the tag permanently read only
//ndef.MakeReadOnly();
}
}
}
Console.WriteLine("Place nfc tags on the reader, one after another...");
// listen to the status changed event to listen for tags places on the reader
nfcAdapter.StatusChanged += nfcAdapter_StatusChanged;
// will read 3 tags, then quit
while (tagCounter < 3)
{
Thread.Sleep(100);
}
// give the last tag a bit of time to be read
Thread.Sleep(100);
Console.WriteLine("Done!");
}
catch (Exception ex)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine(ex.ToString());
Console.ResetColor();
}
done:
Console.WriteLine();
Console.WriteLine("Press 'Enter' to quit");
Console.ReadLine();
}
