private void BtnWriteMailTo_Click(object sender, System.Windows.RoutedEventArgs e)
{
// Create a new mailto record, set the relevant properties for the email
var record = new NdefMailtoRecord
{
Address = "*****@*****.**",
Subject = "Feedback for the NDEF Library",
Body = "I think the NDEF library is ..."
};
// Publish the record using the proximity device
PublishRecord(record, true);
}
// ------------------------------------------
// 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);
}
}
}
public static String ProcessNFCRecord(NdefRecord record)
{
//Define the tag content we want to return.
String tagContent = null;
//Make sure we have a record.
if (record != null)
{
//Check if the record is a URL.
if (record.CheckSpecializedType(true) == typeof(NdefUriRecord))
{
//The content is a URL.
tagContent = new NdefUriRecord(record).Uri;
}
else if (record.CheckSpecializedType(true) == typeof(NdefMailtoRecord))
{
//The content is a mailto record.
tagContent = new NdefMailtoRecord(record).Uri;
}
else if (record.CheckSpecializedType(true) == typeof(NdefTelRecord))
{
//The content is a tel record.
tagContent = new NdefTelRecord(record).Uri;
}
else if (record.CheckSpecializedType(true) == typeof(NdefSmsRecord))
{
//The content is a sms record.
tagContent = new NdefSmsRecord(record).Uri;
}
else if (record.CheckSpecializedType(true) == typeof(NdefTextRecord))
{
//The content is a text record.
tagContent = new NdefTextRecord(record).Text;
}
else
{
//Try and force a pure text conversion.
tagContent = Encoding.UTF8.GetString(record.Payload);
}
}
//Return the tag content.
return(tagContent);
}
private async 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(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(NdefVcardRecordBase))
{
// --------------------------------------------------------------------------
// Convert and extract business card info
var vcardRecord = await NdefVcardRecord.CreateFromGenericBaseRecord(record);
tagContents.Append("-> Business Card record" + Environment.NewLine);
tagContents.AppendFormat("vCard Version: {0}" + Environment.NewLine,
vcardRecord.VCardFormatToWrite == VCardFormat.Version2_1 ? "2.1" : "3.0");
var contact = vcardRecord.ContactData;
var contactInfo = await contact.GetPropertiesAsync();
foreach (var curProperty in contactInfo.OrderBy(i => i.Key))
{
tagContents.Append(String.Format("{0}: {1}" + Environment.NewLine, curProperty.Key, curProperty.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));
}
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(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);
}
}
}
