private static bool IsTagValid(NFCSharp.NFCTag tag)
{
if (tag == null)
{
return(false);
}
try
{
var ndef = tag.NDEFRead();
if (ndef.Count != 5)
{
return(false);
}
for (int i = 0; i < 5; i++)
{
if (ndef[i].Payload == null || (_encryptData && EncDec.Unprotect(ndef[i].Payload) == null))
{
return(false);
}
}
return(true);
}
catch (Exception ex)
{
Logger.Log(" IsTagValid: NDEFRead failed:" + ex.HResult + " - " + ex.ToString());
// -2146233088 is a parse error which usually means the tag isn't formatted
if (ex.HResult != -2146233088)
{
System.Diagnostics.Debug.WriteLine("NDEFRead failed:" + ex.ToString());
return(false);
}
}
return(false);
}
public NFCHoloDevice(NFCSharp.NFCTag tag)
{
_tag = tag;
if (Load())
{
Initialize(false);
}
}