private void ManageWriteMimeOperation()
{
NfcNdefRecord record = new NfcNdefRecord
{
TypeFormat = NfcNdefTypeFormat.Mime,
Payload = NfcUtils.EncodeToByteArray(mimeToWrite)
};
OnNfcTagMimeWriten?.Invoke(this, WriteNfcNdefRecord(record));
}
private void ManageWriteUriOperation()
{
NfcNdefRecord record = new NfcNdefRecord
{
TypeFormat = NfcNdefTypeFormat.Uri,
Payload = NfcUtils.EncodeToByteArray(uriToWrite)
};
OnNfcTagUriWriten?.Invoke(this, WriteNfcNdefRecord(record));
}
private void ManageWriteTextOperation()
{
NfcNdefRecord record = new NfcNdefRecord
{
TypeFormat = NfcNdefTypeFormat.WellKnown,
Payload = NfcUtils.EncodeToByteArray(textToWrite),
};
OnNfcTagTextWriten?.Invoke(this, WriteNfcNdefRecord(record));
}
public async Task InitializeAsync()
{
// First try to find a reader that advertises as being NFC
var deviceInfo = await SmartCardReaderUtils.GetFirstSmartCardReaderInfo(SmartCardReaderKind.Nfc);
if (deviceInfo == null)
{
// If we didn't find an NFC reader, let's see if there's a "generic" reader meaning we're not sure what type it is
deviceInfo = await SmartCardReaderUtils.GetFirstSmartCardReaderInfo(SmartCardReaderKind.Any);
}
if (deviceInfo == null)
{
LogMessage("NFC card reader mode not supported on this device", NotifyType.ErrorMessage);
return;
}
if (!deviceInfo.IsEnabled)
{
var msgbox = new Windows.UI.Popups.MessageDialog("Your NFC proximity setting is turned off, you will be taken to the NFC proximity control panel to turn it on");
msgbox.Commands.Add(new Windows.UI.Popups.UICommand("OK"));
await msgbox.ShowAsync();
// This URI will navigate the user to the NFC proximity control panel
NfcUtils.LaunchNfcProximitySettingsPage();
return;
}
if (m_cardReader == null)
{
m_cardReader = await SmartCardReader.FromIdAsync(deviceInfo.Id);
m_cardReader.CardAdded += cardReader_CardAdded;
m_cardReader.CardRemoved += cardReader_CardRemoved;
}
var path = Windows.ApplicationModel.Package.Current.InstalledLocation.Path + @"\Data\StationCode.csv";
m_stationCodeList = await Core.Models.StationCodeData.LoadAsync(path);
}
private bool CheckWriteOperation(Ndef ndef, NfcNdefRecord record)
{
//TODO 3. WRITING CARD 6
if (ndef == null)
{
return(false);
}
if (!ndef.IsWritable)
{
Debug.WriteLine("NFC tag is readonly");
return(false);
}
if (ndef.MaxSize < NfcUtils.GetSize(new NfcNdefRecord[] { record }))
{
Debug.WriteLine("NFC tag size is less than the message to write");
return(false);
}
return(true);
}
protected async override void OnNavigatedTo(NavigationEventArgs e)
{
// First try to find a reader that advertises as being NFC
var deviceInfo = await SmartCardReaderUtils.GetFirstSmartCardReaderInfo(SmartCardReaderKind.Nfc);
if (deviceInfo == null)
{
// If we didn't find an NFC reader, let's see if there's a "generic" reader meaning we're not sure what type it is
deviceInfo = await SmartCardReaderUtils.GetFirstSmartCardReaderInfo(SmartCardReaderKind.Any);
}
if (deviceInfo == null)
{
LogMessage("NFC card reader mode not supported on this device");
return;
}
if (!deviceInfo.IsEnabled)
{
var msgbox = new Windows.UI.Popups.MessageDialog("Your NFC proximity setting is turned off, you will be taken to the NFC proximity control panel to turn it on");
msgbox.Commands.Add(new Windows.UI.Popups.UICommand("OK"));
await msgbox.ShowAsync();
// This URI will navigate the user to the NFC proximity control panel
NfcUtils.LaunchNfcProximitySettingsPage();
return;
}
if (m_cardReader == null)
{
m_cardReader = await SmartCardReader.FromIdAsync(deviceInfo.Id);
m_cardReader.CardAdded += cardReader_CardAdded;
m_cardReader.CardRemoved += cardReader_CardRemoved;
}
}
