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()));
}
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);
}
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");
}
}
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");
}
}
