public override void DidDetectTags(NFCNdefReaderSession session, INFCNdefTag[] tags)
{
try
{
var nFCNdefTag = tags[0];
session.ConnectToTag(nFCNdefTag, CompletionHandler);
string dominio = "http://boxweb.azurewebsites.net/";
string user = MainViewModel.GetInstance().User.UserId.ToString();
string tag_id = "";
string url = dominio + "index3.aspx?user_id=" + user + "&tag_id=" + tag_id;
NFCNdefPayload payload = NFCNdefPayload.CreateWellKnownTypePayload(url);
NFCNdefMessage nFCNdefMessage = new NFCNdefMessage(new NFCNdefPayload[] { payload });
nFCNdefTag.WriteNdef(nFCNdefMessage, delegate
{
session.InvalidateSession();
});
//Task task = App.DisplayAlertAsync(user_id_tag);
//AppDelegate.user_id_tag = "?";
//PopupNavigation.Instance.PopAsync();
//session.InvalidateSession();
//session.Dispose();
}
catch (Exception ex)
{
Console.WriteLine(ex);
session.Dispose();
session.InvalidateSession();
}
MainViewModel.GetInstance().Home = new HomeViewModel();
Xamarin.Forms.Application.Current.MainPage = new MasterPage();
}
public void DidDetectTags(NFCNdefReaderSession session, INFCNdefTag[] tags)
{
try
{
string user_id_tag = AppDelegate.user_id_tag;
if (user_id_tag == "?")
{
Task task = App.DisplayAlertAsync("¡Primero escanea este Tag para escribirlo!");
session.InvalidateSession();
session.Dispose();
AppDelegate.user_id_tag = "?";
}
else
{
if ((Convert.ToInt32(user_id_tag) == Convert.ToInt32(MainViewModel.GetInstance().User.UserId.ToString())) || (0 == Convert.ToInt32(user_id_tag)))
{
var nFCNdefTag = tags[0];
session.ConnectToTag(nFCNdefTag, CompletionHandler);
string dominio = "http://boxweb.azurewebsites.net/";
string user = MainViewModel.GetInstance().User.UserId.ToString();
string tag_id = "";
string url = dominio + "index3.aspx?user_id=" + user + "&tag_id=" + tag_id;
NFCNdefPayload payload = NFCNdefPayload.CreateWellKnownTypePayload(url);
NFCNdefMessage nFCNdefMessage = new NFCNdefMessage(new NFCNdefPayload[] { payload });
nFCNdefTag.WriteNdef(nFCNdefMessage, delegate
{
Console.WriteLine("ok");
});
//Task task = App.DisplayAlertAsync(user_id_tag);
}
else
{
Task task2 = App.DisplayAlertAsync("¡Este Tag esta vinculado con otro usuario!");
session.Dispose();
session.InvalidateSession();
AppDelegate.user_id_tag = "?";
}
AppDelegate.user_id_tag = "?";
PopupNavigation.Instance.PopAsync();
session.InvalidateSession();
_tagSession.InvalidateSession();
Thread.Sleep(4000);
}
}
catch (Exception ex)
{
Console.Write(ex);
modo_escritura = false;
}
}
private void ManageWriteTextOperation(NFCNdefReaderSession session, INFCNdefTag[] tags)
{
var nFCNdefTag = tags[0];
session.ConnectToTag(nFCNdefTag, (error) => OnNfcTagTextWriten(this, false));
NFCNdefPayload payload = NFCNdefPayload.CreateWellKnownTypePayload(textToWrite, NSLocale.CurrentLocale);
NFCNdefMessage nFCNdefMessage = new NFCNdefMessage(new NFCNdefPayload[] { payload });
nFCNdefTag.WriteNdef(nFCNdefMessage, delegate
{
OnNfcTagTextWriten(this, true);
});
}
/// <summary>
/// Returns NDEF payload
/// </summary>
/// <param name="record"><see cref="NFCNdefRecord"/></param>
/// <returns><see cref="NFCNdefPayload"/></returns>
NFCNdefPayload GetiOSPayload(NFCNdefRecord record)
{
if (record == null)
{
return(null);
}
NFCNdefPayload payload = null;
switch (record.TypeFormat)
{
case NFCNdefTypeFormat.WellKnown:
var lang = record.LanguageCode;
if (string.IsNullOrWhiteSpace(lang))
{
lang = Configuration.DefaultLanguageCode;
}
var langData = Encoding.ASCII.GetBytes(lang.Substring(0, 2));
var payloadData = new byte[] { 0x02 }.Concat(langData).Concat(record.Payload).ToArray();
payload = new NFCNdefPayload(NFCTypeNameFormat.NFCWellKnown, NSData.FromString("T"), new NSData(), NSData.FromString(Encoding.UTF8.GetString(payloadData), NSStringEncoding.UTF8));
break;
case NFCNdefTypeFormat.Mime:
payload = new NFCNdefPayload(NFCTypeNameFormat.Media, record.MimeType, new NSData(), NSData.FromArray(record.Payload));
break;
case NFCNdefTypeFormat.Uri:
payload = NFCNdefPayload.CreateWellKnownTypePayload(NSUrl.FromString(Encoding.UTF8.GetString(record.Payload)));
break;
case NFCNdefTypeFormat.External:
payload = new NFCNdefPayload(NFCTypeNameFormat.NFCExternal, record.ExternalType, new NSData(), NSData.FromString(Encoding.UTF8.GetString(record.Payload), NSStringEncoding.UTF8));
break;
case NFCNdefTypeFormat.Empty:
payload = GetEmptyPayload();
break;
case NFCNdefTypeFormat.Unknown:
case NFCNdefTypeFormat.Unchanged:
case NFCNdefTypeFormat.Reserved:
default:
break;
}
return(payload);
}
/// <summary>
/// Returns NDEF payload
/// </summary>
/// <param name="record"><see cref="NFCNdefRecord"/></param>
/// <returns><see cref="NFCNdefPayload"/></returns>
NFCNdefPayload GetiOSPayload(NFCNdefRecord record)
{
if (record == null)
{
return(null);
}
NFCNdefPayload payload = null;
switch (record.TypeFormat)
{
case NFCNdefTypeFormat.WellKnown:
payload = NFCNdefPayload.CreateWellKnownTypePayload(Encoding.UTF8.GetString(record.Payload), NSLocale.CurrentLocale);
break;
case NFCNdefTypeFormat.Mime:
payload = new NFCNdefPayload(NFCTypeNameFormat.Media, record.MimeType, new NSData(), NSData.FromArray(record.Payload));
break;
case NFCNdefTypeFormat.Uri:
payload = NFCNdefPayload.CreateWellKnownTypePayload(NSUrl.FromString(Encoding.UTF8.GetString(record.Payload)));
break;
case NFCNdefTypeFormat.External:
payload = new NFCNdefPayload(NFCTypeNameFormat.NFCExternal, record.ExternalType, new NSData(), NSData.FromString(Encoding.UTF8.GetString(record.Payload), NSStringEncoding.UTF8));
break;
case NFCNdefTypeFormat.Empty:
payload = GetEmptyPayload();
break;
case NFCNdefTypeFormat.Unknown:
case NFCNdefTypeFormat.Unchanged:
case NFCNdefTypeFormat.Reserved:
default:
break;
}
return(payload);
}