/// <summary>
/// NFC読取セッションがタグを検知されたら呼び出される。
/// </summary>
/// <param name="session">NFC読取セッション</param>
/// <param name="tags">検知タグ</param>
public override void DidDetectTags(NFCTagReaderSession session, INFCTag[] tags)
{
Debug.WriteLine($"DidDetectTags");
// タグに接続する。
if (tags.Length <= 0)
{
return;
}
session.ConnectTo(tags[0], connectErr =>
{
// 接続エラー時はメッセージを表示してNFC読取セッションを終了する、
if (connectErr != null)
{
Debug.WriteLine($"Connect Error = [{connectErr}]");
session.InvalidateSession("タグ接続失敗。");
return;
}
// FeliCa準拠のタグプロトコルを取得する。
_felicaTag = tags[0].GetNFCFeliCaTag();
if (_felicaTag == null)
{
return;
}
// FeliCaのRequest Serviceコマンドを実行し、
// サービスコード0x090Fを指定し、カード種別およびカード残額情報サービスに接続する。
// （サービスコードはリトルエンディアンで）
_felicaTag.RequestService(ServiceCodes, OnCompletedRequestService);
});
}
/// <summary>
/// Event raised when NFC tags are detected
/// </summary>
/// <param name="session">iOS <see cref="NFCTagReaderSession"/></param>
/// <param name="tags">Array of iOS <see cref="INFCTag"/></param>
public override void DidDetectTags(NFCTagReaderSession session, INFCTag[] tags)
{
var _tag = tags.First();
var connectionError = string.Empty;
session.ConnectTo(_tag, (error) =>
{
if (error != null)
{
connectionError = error.LocalizedDescription;
return;
}
});
var nMifareTag = _tag.GetNFCMiFareTag();
//nMifareTag.SendMiFareCommand();
}
/// <summary>
/// Event raised when NFC tags are detected
/// </summary>
/// <param name="session">iOS <see cref="NFCTagReaderSession"/></param>
/// <param name="tags">Array of iOS <see cref="INFCTag"/></param>
public override void DidDetectTags(NFCTagReaderSession session, INFCTag[] tags)
{
var _tag = tags.First();
var connectionError = string.Empty;
session.ConnectTo(_tag, (error) =>
{
if (error != null)
{
connectionError = error.LocalizedDescription;
return;
}
});
var nMifareTag = _tag.GetNFCMiFareTag();
var t = WriteMode ? Task.Run(() => HandleWiteTag(nMifareTag)):
Task.Run(() => HandleReadTag(nMifareTag));
}
void MakeTagReadOnly(NFCTagReaderSession session, INFCTag tag, INFCNdefTag ndefTag)
{
session.ConnectTo(tag, (error) =>
{
if (error != null)
{
Console.WriteLine(error.LocalizedDescription);
return;
}
ndefTag.WriteLock((error) =>
{
if (error != null)
{
Console.WriteLine("Error when locking a tag on iOS: " + error.LocalizedDescription);
}
else
{
Console.WriteLine("Locking Successful!");
}
});
});
}
/// <summary>
/// Event raised when NFC tags are detected
/// </summary>
/// <param name="session">iOS <see cref="NFCTagReaderSession"/></param>
/// <param name="tags">Array of iOS <see cref="INFCTag"/></param>
public override void DidDetectTags(NFCTagReaderSession session, INFCTag[] tags)
{
_customInvalidation = false;
_tag = tags.First();
var connectionError = string.Empty;
session.ConnectTo(_tag, (error) =>
{
if (error != null)
{
connectionError = error.LocalizedDescription;
Invalidate(session, connectionError);
return;
}
var ndefTag = GetNdefTag(_tag);
if (ndefTag == null)
{
Invalidate(session, UIMessages.NFCErrorNotCompliantTag);
return;
}
ndefTag.QueryNdefStatus((status, capacity, error) =>
{
if (error != null)
{
Invalidate(session, error.LocalizedDescription);
return;
}
if (status == NFCNdefStatus.NotSupported)
{
Invalidate(session, UIMessages.NFCErrorNotSupportedTag);
return;
}
var identifier = GetTagIdentifier(ndefTag);
var nTag = new TagInfo(identifier)
{
IsWritable = status == NFCNdefStatus.ReadWrite
};
if (_isWriting)
{
// Write mode
OnTagDiscovered?.Invoke(nTag, _isFormatting);
}
else
{
// Read mode
ndefTag.ReadNdef((message, error) =>
{
if (error != null)
{
Invalidate(session, UIMessages.NFCErrorRead);
return;
}
if (message == null)
{
Invalidate(session, UIMessages.NFCErrorEmptyTag);
return;
}
session.AlertMessage = UIMessages.NFCSuccessRead;
nTag.Records = GetRecords(message.Records);
OnMessageReceived?.Invoke(nTag);
Invalidate(session);
});
}
});
});
}
/// <summary>
/// Event raised when NFC tags are detected
/// </summary>
/// <param name="session">iOS <see cref="NFCTagReaderSession"/></param>
/// <param name="tags">Array of iOS <see cref="INFCTag"/></param>
public override void DidDetectTags(NFCTagReaderSession session, INFCTag[] tags)
{
_customInvalidation = false;
_tag = tags.First();
var connectionError = string.Empty;
session.ConnectTo(_tag, (error) =>
{
if (error != null)
{
connectionError = error.LocalizedDescription;
Invalidate(session, connectionError);
return;
}
var ndefTag = GetNdefTag(_tag);
if (ndefTag == null)
{
Invalidate(session, Configuration.Messages.NFCErrorNotCompliantTag);
return;
}
ndefTag.QueryNdefStatus((status, capacity, error) =>
{
if (error != null)
{
Invalidate(session, error.LocalizedDescription);
return;
}
var isNdefSupported = status != NFCNdefStatus.NotSupported;
var identifier = GetTagIdentifier(ndefTag);
var nTag = new TagInfo(identifier, isNdefSupported)
{
IsWritable = status == NFCNdefStatus.ReadWrite,
Capacity = Convert.ToInt32(capacity)
};
if (!isNdefSupported)
{
session.AlertMessage = Configuration.Messages.NFCErrorNotSupportedTag;
OnMessageReceived?.Invoke(nTag);
Invalidate(session);
return;
}
if (_isWriting)
{
// Write mode
OnTagDiscovered?.Invoke(nTag, _isFormatting);
}
else
{
// Read mode
ndefTag.ReadNdef((message, error) =>
{
// iOS Error: NFCReaderError.NdefReaderSessionErrorZeroLengthMessage (NDEF tag does not contain any NDEF message)
// NFCReaderError.NdefReaderSessionErrorZeroLengthMessage constant should be equals to 403 instead of 304
// see https://developer.apple.com/documentation/corenfc/nfcreadererror/code/ndefreadersessionerrorzerolengthmessage
if (error != null && error.Code != 403)
{
Invalidate(session, Configuration.Messages.NFCErrorRead);
return;
}
session.AlertMessage = Configuration.Messages.NFCSuccessRead;
nTag.Records = GetRecords(message?.Records);
OnMessageReceived?.Invoke(nTag);
Invalidate(session);
});
}
});
});
}