protected override void OnNavigatedTo(NavigationEventArgs e)
{
var device = ProximityDevice.GetDefault();
if (device == null) return;
var record = new NdefSpRecord {
Uri = "cloudsdale://clouds/" + cloud.id,
NfcAction = NdefSpActRecord.NfcActionType.DoAction
};
record.AddTitle(new NdefTextRecord { Text = cloud.name, LanguageCode = "en" });
var message = new NdefMessage { record };
messageIds.Add(device.PublishBinaryMessage("NDEF", message.ToByteArray().AsBuffer()));
}
// ------------------------------------------
// PRIVATE READER
// ------------------------------------------
private void MessageReceivedHandler(ProximityDevice sender, ProximityMessage message)
{
// Parse raw byte array to NDEF message
var rawMsg = message.Data.ToArray();
var ndefMessage = NdefMessage.FromByteArray(rawMsg);
// Loop over all records contained in the NDEF message
foreach (NdefRecord record in ndefMessage) {
Console.WriteLine("Record type: " + Encoding.UTF8.GetString(record.Type, 0, record.Type.Length));
// Check the type of each record - handling a Smart Poster in this example
var specializedType = record.CheckSpecializedType(true);
// Convert and extract Smart Poster info
if (specializedType == typeof(NdefSpRecord)) {
var spRecord = new NdefSpRecord(record);
String msg = "URI: " + spRecord.Uri + "\n"
+ "Titles: " + spRecord.TitleCount() + "\n"
+ "1. Title: " + spRecord.Titles[0].Text + "\n"
+ "Action set: " + spRecord.ActionInUse();
NFCManager.getInstance().Alert(msg);
}
// Convert and extract URI record info
else if (specializedType == typeof(NdefUriRecord)) {
var uriRecord = new NdefUriRecord(record);
String msg = "URI: " + uriRecord.Uri + "\n";
NFCManager.getInstance().Alert(msg);
NFCManager.getInstance().SendRequest(uriRecord.Uri);
}
// Convert and extract Mailto record info
else if (specializedType == typeof(NdefMailtoRecord)) {
var mailtoRecord = new NdefMailtoRecord(record);
String msg = "Address: " + mailtoRecord.Address + "\n"
+ "Subject: " + mailtoRecord.Subject + "\n"
+ "Body: " + mailtoRecord.Body;
NFCManager.getInstance().Alert(msg);
}
}
}
/// <summary>
/// Checks if the record sent via the parameter is indeed a Mailto record.
/// Checks the type and type name format and if the URI starts with the correct scheme.
/// </summary>
/// <param name="record">Record to check.</param>
/// <returns>True if the record has the correct type, type name format and payload
/// to be a Mailto record, false if it's a different record.</returns>
public new static bool IsRecordType(NdefRecord record)
{
if (record?.Type == null)
{
return(false);
}
if (record.TypeNameFormat == TypeNameFormatType.NfcRtd && record.Payload != null)
{
if (record.Type.SequenceEqual(NdefUriRecord.UriType))
{
var testRecord = new NdefUriRecord(record);
return(testRecord.Uri.StartsWith(MailtoScheme));
}
if (record.Type.SequenceEqual(SmartPosterType))
{
var testRecord = new NdefSpRecord(record);
return(testRecord.Uri.StartsWith(MailtoScheme));
}
}
return(false);
}
private void Device_DeviceArrived(ProximityDevice sender)
{
var data = new { Employee = new { Id = 2572923226000L, Name = "TestUser" } };
var payload = JsonConvert.SerializeObject(data);
var spRecord = new NdefSpRecord
{
NfcAction = NdefSpActRecord.NfcActionType.OpenForEditing,
Payload = Encoding.UTF8.GetBytes(payload),
NfcSize = (uint)payload.Length,
Type = Encoding.UTF8.GetBytes("application/json; charset=\"utf-8\"")
};
var msg = new NdefMessage { spRecord };
long publishingId = device.PublishBinaryMessage("NDEF:WriteTag", msg.ToByteArray().AsBuffer(), (d0, id) => {
device.DeviceArrived -= Device_DeviceArrived;
Debug.WriteLine(" published. id = " + id);
var notify = new MessageDialog("The message has been published.");
});
}
static void Main(string[] args)
{
// Dynamically construct some more NDEF records
var spRecord = new NdefSpRecord
{
Uri = "http://andijakl.github.io/ndef-nfc/",
NfcAction = NdefSpActRecord.NfcActionType.DoAction
};
spRecord.AddTitle(new NdefTextRecord { LanguageCode = "en", Text = "NFC Library" });
spRecord.AddTitle(new NdefTextRecord { LanguageCode = "de", Text = "NFC Bibliothek" });
NfcRecords.Add("SmartPoster", spRecord);
// Ensure the path exists
var tagsDirectory = Path.Combine(Environment.CurrentDirectory, FileDirectory);
Directory.CreateDirectory(tagsDirectory);
// Write tag contents to files
foreach (var curNdefRecord in NfcRecords)
{
WriteTagFile(tagsDirectory, curNdefRecord.Key, curNdefRecord.Value);
}
// Multi-record file
var record1 = new NdefUriRecord {Uri = "http://www.twitter.com"};
var record2 = new NdefAndroidAppRecord {PackageName = "com.twitter.android"};
var twoRecordsMsg = new NdefMessage {record1, record2};
WriteTagFile(tagsDirectory, "TwoRecords", twoRecordsMsg);
var record3 = new NdefRecord
{
TypeNameFormat = NdefRecord.TypeNameFormatType.ExternalRtd,
Type = Encoding.UTF8.GetBytes("custom.com:myapp")
};
var threeRecordsMsg = new NdefMessage { record1, record3, record2 };
WriteTagFile(tagsDirectory, "ThreeRecords", threeRecordsMsg);
// Success message on output
Console.WriteLine("Generated {0} tag files in {1}.", NfcRecords.Count, tagsDirectory);
Debug.WriteLine("Generated {0} tag files in {1}.", NfcRecords.Count, tagsDirectory);
}
/// <summary>
/// Checks if the record sent via the parameter is indeed a Telephone record.
/// Checks the type and type name format and if the URI starts with the correct scheme.
/// </summary>
/// <param name="record">Record to check.</param>
/// <returns>True if the record has the correct type, type name format and payload
/// to be a Telephone record, false if it's a different record.</returns>
public static new bool IsRecordType(NdefRecord record)
{
if (record.Type == null) return false;
if (record.TypeNameFormat == TypeNameFormatType.NfcRtd && record.Payload != null)
{
if (record.Type.SequenceEqual(NdefUriRecord.UriType))
{
var testRecord = new NdefUriRecord(record);
return testRecord.Uri.StartsWith(TelScheme);
}
if (record.Type.SequenceEqual(SmartPosterType))
{
var testRecord = new NdefSpRecord(record);
return testRecord.Uri.StartsWith(TelScheme);
}
}
return false;
}
/// <summary>
/// Checks the type name format and type of this record and returns
/// the appropriate specialized class, if one is available and known
/// for this record type.
/// </summary>
/// <param name="checkForSubtypes">If set to true, also checks for
/// subtypes of the URL / SmartPoster record where the library offers
/// a convenient handling class - e.g. for SMS or Mailto records,
/// which are actually URL schemes.</param>
/// <returns>Type name of the specialized class that can understand
/// and manipulate the payload through convenience methods.</returns>
public Type CheckSpecializedType(bool checkForSubtypes)
{
// Note: can't check for specialized types like the geo record
// or the SMS record yet, as these are just convenience classes
// for creating URI / Smart Poster records.
if (checkForSubtypes)
{
// Need to check specialized URI / Sp records before checking for base types.
if (NdefSmsRecord.IsRecordType(this))
{
return(typeof(NdefSmsRecord));
}
if (NdefMailtoRecord.IsRecordType(this))
{
return(typeof(NdefMailtoRecord));
}
if (NdefTelRecord.IsRecordType(this))
{
return(typeof(NdefTelRecord));
}
if (NdefWindowsSettingsRecord.IsRecordType(this))
{
return(typeof(NdefWindowsSettingsRecord));
}
}
// Unique / base record types
if (NdefUriRecord.IsRecordType(this))
{
return(typeof(NdefUriRecord));
}
if (NdefSpRecord.IsRecordType(this))
{
return(typeof(NdefSpRecord));
}
if (NdefTextRecord.IsRecordType(this))
{
return(typeof(NdefTextRecord));
}
if (NdefSpActRecord.IsRecordType(this))
{
return(typeof(NdefSpActRecord));
}
if (NdefSpSizeRecord.IsRecordType(this))
{
return(typeof(NdefSpSizeRecord));
}
if (NdefSpMimeTypeRecord.IsRecordType(this))
{
return(typeof(NdefSpMimeTypeRecord));
}
if (NdefLaunchAppRecord.IsRecordType(this))
{
return(typeof(NdefLaunchAppRecord));
}
if (NdefAndroidAppRecord.IsRecordType(this))
{
return(typeof(NdefAndroidAppRecord));
}
if (NdefVcardRecordBase.IsRecordType(this))
{
return(typeof(NdefVcardRecordBase));
}
if (NdefIcalendarRecordBase.IsRecordType(this))
{
return(typeof(NdefIcalendarRecordBase));
}
if (NdefBtSecureSimplePairingRecord.IsRecordType(this))
{
return(typeof(NdefBtSecureSimplePairingRecord));
}
if (NdefHandoverSelectRecord.IsRecordType(this))
{
return(typeof(NdefHandoverSelectRecord));
}
if (NdefHandoverErrorRecord.IsRecordType(this))
{
return(typeof(NdefHandoverErrorRecord));
}
if (NdefHandoverAlternativeCarrierRecord.IsRecordType(this))
{
return(typeof(NdefHandoverAlternativeCarrierRecord));
}
if (NdefMimeImageRecordBase.IsRecordType(this))
{
return(typeof(NdefMimeImageRecordBase));
}
return(typeof(NdefRecord));
}
private async Task ParseTagContents(NdefMessage ndefMessage, StringBuilder tagContents)
{
// Loop over all records contained in the NDEF message
foreach (NdefRecord record in ndefMessage)
{
// --------------------------------------------------------------------------
// Print generic information about the record
if (record.Id != null && record.Id.Length > 0)
{
// Record ID (if present)
tagContents.AppendFormat("Id: {0}\n", Encoding.UTF8.GetString(record.Id, 0, record.Id.Length));
}
// Record type name, as human readable string
tagContents.AppendFormat("Type name: {0}\n", ConvertTypeNameFormatToString(record.TypeNameFormat));
// Record type
if (record.Type != null && record.Type.Length > 0)
{
tagContents.AppendFormat("Record type: {0}\n",
Encoding.UTF8.GetString(record.Type, 0, record.Type.Length));
}
// --------------------------------------------------------------------------
// Check the type of each record
// Using 'true' as parameter for CheckSpecializedType() also checks for sub-types of records,
// e.g., it will return the SMS record type if a URI record starts with "sms:"
// If using 'false', a URI record will always be returned as Uri record and its contents won't be further analyzed
// Currently recognized sub-types are: SMS, Mailto, Tel, Nokia Accessories, NearSpeak, WpSettings
var specializedType = record.CheckSpecializedType(true);
if (specializedType == typeof(NdefMailtoRecord))
{
// --------------------------------------------------------------------------
// Convert and extract Mailto record info
var mailtoRecord = new NdefMailtoRecord(record);
tagContents.Append("-> Mailto record\n");
tagContents.AppendFormat("Address: {0}\n", mailtoRecord.Address);
tagContents.AppendFormat("Subject: {0}\n", mailtoRecord.Subject);
tagContents.AppendFormat("Body: {0}\n", mailtoRecord.Body);
}
else if (specializedType == typeof(NdefUriRecord))
{
// --------------------------------------------------------------------------
// Convert and extract URI record info
var uriRecord = new NdefUriRecord(record);
tagContents.Append("-> URI record\n");
tagContents.AppendFormat("URI: {0}\n", uriRecord.Uri);
}
else if (specializedType == typeof(NdefSpRecord))
{
// --------------------------------------------------------------------------
// Convert and extract Smart Poster info
var spRecord = new NdefSpRecord(record);
tagContents.Append("-> Smart Poster record\n");
tagContents.AppendFormat("URI: {0}", spRecord.Uri);
tagContents.AppendFormat("Titles: {0}", spRecord.TitleCount());
if (spRecord.TitleCount() > 1)
tagContents.AppendFormat("1. Title: {0}", spRecord.Titles[0].Text);
tagContents.AppendFormat("Action set: {0}", spRecord.ActionInUse());
// You can also check the action (if in use by the record),
// mime type and size of the linked content.
}
//else if (specializedType == typeof(NdefVcardRecordBase))
//{
// // --------------------------------------------------------------------------
// // Convert and extract business card info
// var vcardRecord = new NdefVcardRecord(record);
// tagContents.Append("-> Business Card record" + Environment.NewLine);
// var contact = vcardRecord.ContactData;
// // Contact has phone or email info set? Use contact manager to show the contact card
// await _dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
// {
// if (contact.Emails.Any() || contact.Phones.Any())
// {
// var rect = GetElementRect(StatusOutput);
// ContactManager.ShowContactCard(contact, rect, Placement.Below);
// }
// else
// {
// // No phone or email set - contact manager would not show the contact card.
// // -> parse manually
// tagContents.AppendFormat("Name: {0}\n", contact.DisplayName);
// tagContents.Append("[not parsing other values in the demo app]");
// }
// });
//}
//else if (specializedType == typeof(NdefIcalendarRecordBase))
//{
// // --------------------------------------------------------------------------
// // Convert and extract iCalendar info
// var icalendarRecord = new NdefIcalendarRecord(record);
// tagContents.Append("-> iCalendar record" + Environment.NewLine);
// var ap = icalendarRecord.AppointmentData;
// if (!String.IsNullOrEmpty(ap.Subject))
// tagContents.AppendFormat("Subject: {0}\n", ap.Subject);
// if (!String.IsNullOrEmpty(ap.Details))
// tagContents.AppendFormat("Details: {0}\n", ap.Details);
// if (!String.IsNullOrEmpty(ap.Organizer.Address))
// tagContents.AppendFormat("Organizer Address: {0}\n", ap.Organizer.Address);
// if (!String.IsNullOrEmpty(ap.Location))
// tagContents.AppendFormat("Location: {0}\n", ap.Location);
// tagContents.AppendFormat("Start time: {0}\n", ap.StartTime);
// tagContents.AppendFormat("Duration: {0}\n", ap.Duration);
// tagContents.AppendFormat("AllDay? {0}\n", ap.AllDay ? "yes" : "no");
// if (ap.Reminder != null)
// tagContents.AppendFormat("Reminder: {0}\n", ap.Reminder);
//}
else if (specializedType == typeof(NdefLaunchAppRecord))
{
// --------------------------------------------------------------------------
// Convert and extract LaunchApp record info
var launchAppRecord = new NdefLaunchAppRecord(record);
tagContents.Append("-> LaunchApp record" + Environment.NewLine);
if (!string.IsNullOrEmpty(launchAppRecord.Arguments))
tagContents.AppendFormat("Arguments: {0}\n", launchAppRecord.Arguments);
if (launchAppRecord.PlatformIds != null)
{
foreach (var platformIdTuple in launchAppRecord.PlatformIds)
{
if (platformIdTuple.Key != null)
tagContents.AppendFormat("Platform: {0}\n", platformIdTuple.Key);
if (platformIdTuple.Value != null)
tagContents.AppendFormat("App ID: {0}\n", platformIdTuple.Value);
}
}
}
//else if (specializedType == typeof(NdefMimeImageRecordBase))
//{
// // --------------------------------------------------------------------------
// // Convert and extract Image record info
// var imgRecord = new NdefMimeImageRecord(record);
// tagContents.Append("-> MIME / Image record" + Environment.NewLine);
// _dispatcher.RunAsync(CoreDispatcherPriority.Normal, async () => SetStatusImage(await imgRecord.GetImageAsBitmap()));
//}
else
{
// Other type, not handled by this demo
tagContents.Append("NDEF record not parsed by this demo app" + Environment.NewLine);
}
}
}
private ObservableCollection<string> readNDEFMEssage(NdefMessage message)
{
ObservableCollection<string> collection = new ObservableCollection<string>();
foreach (NdefRecord record in message)
{
// Go through each record, check if it's a Smart Poster
if (record.CheckSpecializedType(false) == typeof(NdefSpRecord))
{
// Convert and extract Smart Poster info
var spRecord = new NdefSpRecord(record);
collection.Add("URI: " + spRecord.Uri);
collection.Add("Titles: " + spRecord.TitleCount());
collection.Add("1. Title: " + spRecord.Titles[0].Text);
collection.Add("Action set: " + spRecord.ActionInUse());
}
if (record.CheckSpecializedType(false) == typeof(NdefUriRecord))
{
// Convert and extract Smart Poster info
var spRecord = new NdefUriRecord(record);
collection.Add("Text: " + spRecord.Uri);
}
}
return collection;
}
void HandleClicked(object sender, EventArgs e)
{
var spRecord = new NdefSpRecord
{
Uri = "www.poz1.com",
NfcAction = NdefSpActRecord.NfcActionType.DoAction,
};
spRecord.AddTitle(new NdefTextRecord
{
Text = "NFCForms - XamarinForms - Poz1.com",
LanguageCode = "en"
});
// Add record to NDEF message
var msg = new NdefMessage { spRecord };
try
{
device.WriteTag(msg);
}
catch (Exception excp)
{
DisplayAlert("Error", excp.Message, "OK");
}
}
/// <summary>
/// Checks if the record sent via the parameter is indeed an Sms record.
/// Checks the type and type name format and if the URI starts with the correct scheme.
/// </summary>
/// <param name="record">Record to check.</param>
/// <returns>True if the record has the correct type, type name format and payload
/// to be an Sms record, false if it's a different record.</returns>
public new static bool IsRecordType(NdefRecord record)
{
if (record?.Type == null) return false;
if (record.TypeNameFormat == TypeNameFormatType.NfcRtd && record.Payload != null)
{
if (record.Type.SequenceEqual(NdefUriRecord.UriType))
{
var testRecord = new NdefUriRecord(record);
return testRecord.Uri.StartsWith(SmsScheme, StringComparison.OrdinalIgnoreCase);
}
if (record.Type.SequenceEqual(SmartPosterType))
{
var testRecord = new NdefSpRecord(record);
return testRecord.Uri.StartsWith(SmsScheme, StringComparison.OrdinalIgnoreCase);
}
}
return false;
}
private void MessageReceivedHandler(ProximityDevice sender, ProximityMessage message)
{
// Get the raw NDEF message data as byte array
var rawMsg = message.Data.ToArray();
// Let the NDEF library parse the NDEF message out of the raw byte array
var ndefMessage = NdefMessage.FromByteArray(rawMsg);
// Analysis result
var tagContents = new StringBuilder();
// Loop over all records contained in the NDEF message
foreach (NdefRecord record in ndefMessage)
{
// --------------------------------------------------------------------------
// Print generic information about the record
if (record.Id != null && record.Id.Length > 0)
{
// Record ID (if present)
tagContents.AppendFormat("Id: {0}\n", Encoding.UTF8.GetString(record.Id, 0, record.Id.Length));
}
// Record type name, as human readable string
tagContents.AppendFormat("Type name: {0}\n", ConvertTypeNameFormatToString(record.TypeNameFormat));
// Record type
if (record.Type != null && record.Type.Length > 0)
{
tagContents.AppendFormat("Record type: {0}\n",
Encoding.UTF8.GetString(record.Type, 0, record.Type.Length));
}
// --------------------------------------------------------------------------
// Check the type of each record
// Using 'true' as parameter for CheckSpecializedType() also checks for sub-types of records,
// e.g., it will return the SMS record type if a URI record starts with "sms:"
// If using 'false', a URI record will always be returned as Uri record and its contents won't be further analyzed
// Currently recognized sub-types are: SMS, Mailto, Tel, Nokia Accessories, NearSpeak, WpSettings
var specializedType = record.CheckSpecializedType(true);
if (specializedType == typeof(NdefMailtoRecord))
{
// --------------------------------------------------------------------------
// Convert and extract Mailto record info
var mailtoRecord = new NdefMailtoRecord(record);
tagContents.Append("-> Mailto record\n");
tagContents.AppendFormat("Address: {0}\n", mailtoRecord.Address);
tagContents.AppendFormat("Subject: {0}\n", mailtoRecord.Subject);
tagContents.AppendFormat("Body: {0}\n", mailtoRecord.Body);
}
else if (specializedType == typeof(NdefUriRecord))
{
// --------------------------------------------------------------------------
// Convert and extract URI record info
var uriRecord = new NdefUriRecord(record);
tagContents.Append("-> URI record\n");
tagContents.AppendFormat("URI: {0}\n", uriRecord.Uri);
}
else if (specializedType == typeof(NdefSpRecord))
{
// --------------------------------------------------------------------------
// Convert and extract Smart Poster info
var spRecord = new NdefSpRecord(record);
tagContents.Append("-> Smart Poster record\n");
tagContents.AppendFormat("URI: {0}", spRecord.Uri);
tagContents.AppendFormat("Titles: {0}", spRecord.TitleCount());
if (spRecord.TitleCount() > 1)
tagContents.AppendFormat("1. Title: {0}", spRecord.Titles[0].Text);
tagContents.AppendFormat("Action set: {0}", spRecord.ActionInUse());
// You can also check the action (if in use by the record),
// mime type and size of the linked content.
}
else if (specializedType == typeof (NdefLaunchAppRecord))
{
// --------------------------------------------------------------------------
// Convert and extract LaunchApp record info
var launchAppRecord = new NdefLaunchAppRecord(record);
tagContents.Append("-> LaunchApp record" + Environment.NewLine);
if (!string.IsNullOrEmpty(launchAppRecord.Arguments))
tagContents.AppendFormat("Arguments: {0}\n", launchAppRecord.Arguments);
if (launchAppRecord.PlatformIds != null)
{
foreach (var platformIdTuple in launchAppRecord.PlatformIds)
{
if (platformIdTuple.Key != null)
tagContents.AppendFormat("Platform: {0}\n", platformIdTuple.Key);
if (platformIdTuple.Value != null)
tagContents.AppendFormat("App ID: {0}\n", platformIdTuple.Value);
}
}
}
else
{
// Other type, not handled by this demo
tagContents.Append("NDEF record not parsed by this demo app" + Environment.NewLine);
}
}
// Update status text for UI
SetStatusOutput(string.Format(AppResources.StatusTagParsed, tagContents));
}
/// <summary>
/// Checks the type name format and type of this record and returns
/// the appropriate specialized class, if one is available and known
/// for this record type.
/// </summary>
/// <returns>Type name of the specialized class that can understand
/// and manipulate the payload through convenience methods.</returns>
public Type CheckSpecializedType(bool checkForSubtypes)
{
// Note: can't check for specialized types like the geo record
// or the SMS record yet, as these are just convenience classes
// for creating URI / Smart Poster records.
if (checkForSubtypes)
{
// Need to check specialized URI / Sp records before checking for base types.
if (NdefSmsRecord.IsRecordType(this))
{
return(typeof(NdefSmsRecord));
}
if (NdefMailtoRecord.IsRecordType(this))
{
return(typeof(NdefMailtoRecord));
}
if (NdefTelRecord.IsRecordType(this))
{
return(typeof(NdefTelRecord));
}
if (NdefNokiaAccessoriesRecord.IsRecordType(this))
{
return(typeof(NdefNokiaAccessoriesRecord));
}
if (NdefNearSpeakRecord.IsRecordType(this))
{
return(typeof(NdefNearSpeakRecord));
}
if (NdefWpSettingsRecord.IsRecordType(this))
{
return(typeof(NdefWpSettingsRecord));
}
}
// Unique / base record types
if (NdefUriRecord.IsRecordType(this))
{
return(typeof(NdefUriRecord));
}
if (NdefSpRecord.IsRecordType(this))
{
return(typeof(NdefSpRecord));
}
if (NdefTextRecord.IsRecordType(this))
{
return(typeof(NdefTextRecord));
}
if (NdefSpActRecord.IsRecordType(this))
{
return(typeof(NdefSpActRecord));
}
if (NdefSpSizeRecord.IsRecordType(this))
{
return(typeof(NdefSpSizeRecord));
}
if (NdefSpMimeTypeRecord.IsRecordType(this))
{
return(typeof(NdefSpMimeTypeRecord));
}
if (NdefLaunchAppRecord.IsRecordType(this))
{
return(typeof(NdefLaunchAppRecord));
}
if (NdefAndroidAppRecord.IsRecordType(this))
{
return(typeof(NdefAndroidAppRecord));
}
return(typeof(NdefRecord));
}
void HandleClicked(object sender, EventArgs e)
{
var spRecord = new NdefSpRecord
{
NfcAction = NdefSpActRecord.NfcActionType.DoAction,
};
spRecord.AddTitle(new NdefTextRecord
{
Text = "00001:5.49"
});
// Add record to NDEF message
var msg = new NdefMessage { spRecord };
try
{
device.WriteTag(msg);
}
catch (Exception excp)
{
DisplayAlert("Error", excp.Message, "OK");
}
}
private NdefRecord GetPublishingMessage(Type type, string data)
{
NdefRecord retValue = null;
if (type == typeof(NdefTextRecord))
{
var oRecord = new NdefTextRecord();
oRecord.Text = data;
retValue = oRecord;
}
else if (type == typeof(NdefSpRecord))
{
var oRecord = new NdefSpRecord();
//this.NotifyUser(NotifyType.PeerMessage, "Not Supportint Type, Value (Uri:" + oRecord.Uri + ")");
}
else if (type == typeof(NdefUriRecord))
{
var oRecord = new NdefUriRecord();
//this.NotifyUser(NotifyType.PeerMessage, "Not Supportint Type, Value (Uri:" + oRecord.Uri + ")");
}
else if (type == typeof(NdefTelRecord))
{
var oRecord = new NdefTelRecord();
//this.NotifyUser(NotifyType.PeerMessage, "Not Supportint Type, Value (Tel:" + oRecord.TelNumber + ")");
}
else if (type == typeof(NdefMailtoRecord))
{
var oRecord = new NdefMailtoRecord();
//this.NotifyUser(NotifyType.PeerMessage, "Not Supportint Type, Value (Subject:" + oRecord.Subject + ")");
}
else if (type == typeof(NdefAndroidAppRecord))
{
var oRecord = new NdefAndroidAppRecord();
//this.NotifyUser(NotifyType.PeerMessage, "Not Supportint Type, Value (Package:" + oRecord.PackageName + ")");
}
else if (type == typeof(NdefLaunchAppRecord))
{
var oRecord = new NdefLaunchAppRecord();
string praid = CoreApplication.Id; // The Application Id value from your package.appxmanifest.
string appName = Package.Current.Id.FamilyName + "!" + praid;
NdefLaunchAppRecord launch = new NdefLaunchAppRecord();
launch.AddPlatformAppId("Windows", appName);
launch.Arguments = data;
retValue = oRecord;
}
else if (type == typeof(NdefSmsRecord))
{
var oRecord = new NdefSmsRecord();
//this.NotifyUser(NotifyType.PeerMessage, "Not Supportint Type, Value (Sms:" + oRecord.SmsBody + ")");
}
else if (type == typeof(NdefSmartUriRecord))
{
var oRecord = new NdefSmartUriRecord();
//this.NotifyUser(NotifyType.PeerMessage, "Not Supportint Type, Value (Uri:" + oRecord.Uri + ")");
}
else
{
//
}
return retValue;
}
private string HandleNDEFRecord(NdefRecord record)
{
string tag = string.Empty;
var specializedType = record.CheckSpecializedType(false);
if (specializedType == typeof(NdefTextRecord))
{
var oRecord = new NdefTextRecord(record);
try
{
tag = oRecord.Text;
this.NotifyUser(tag, NotifyType.PublishMessage);
}
catch { }
}
else if (specializedType == typeof(NdefSpRecord))
{
var oRecord = new NdefSpRecord(record);
//this.NotifyUser(NotifyType.PeerMessage, "Not Supportint Type, Value (Uri:" + oRecord.Uri + ")");
}
else if (specializedType == typeof(NdefUriRecord))
{
var oRecord = new NdefUriRecord(record);
//this.NotifyUser(NotifyType.PeerMessage, "Not Supportint Type, Value (Uri:" + oRecord.Uri + ")");
}
else if (specializedType == typeof(NdefTelRecord))
{
var oRecord = new NdefTelRecord(record);
//this.NotifyUser(NotifyType.PeerMessage, "Not Supportint Type, Value (Tel:" + oRecord.TelNumber + ")");
}
else if (specializedType == typeof(NdefMailtoRecord))
{
var oRecord = new NdefMailtoRecord(record);
//this.NotifyUser(NotifyType.PeerMessage, "Not Supportint Type, Value (Subject:" + oRecord.Subject + ")");
}
else if (specializedType == typeof(NdefAndroidAppRecord))
{
var oRecord = new NdefAndroidAppRecord(record);
//this.NotifyUser(NotifyType.PeerMessage, "Not Supportint Type, Value (Package:" + oRecord.PackageName + ")");
}
else if (specializedType == typeof(NdefLaunchAppRecord))
{
var oRecord = new NdefLaunchAppRecord(record);
//this.NotifyUser(NotifyType.PeerMessage, "Not Supportint Type, Value (Platform:" + oRecord.PlatformIds + ")");
}
else if (specializedType == typeof(NdefSmsRecord))
{
var oRecord = new NdefSmsRecord(record);
//this.NotifyUser(NotifyType.PeerMessage, "Not Supportint Type, Value (Sms:" + oRecord.SmsBody + ")");
}
else if (specializedType == typeof(NdefSmartUriRecord))
{
var oRecord = new NdefSmartUriRecord(record);
//this.NotifyUser(NotifyType.PeerMessage, "Not Supportint Type, Value (Uri:" + oRecord.Uri + ")");
}
else
{
//this.NotifyUser(NotifyType.PeerMessage, "Not Supporting Type");
}
return tag;
}
