getAtr method
Retrieves the Answer to Reset (ATR) from the RFID tag or smart card.
Returns
A list of integers representing the ATR, or null if the ATR could not be retrieved.
Implementation
Future<List<int>?> getAtr() async {
final atr = await FlutterRfidPlatform.instance.getAtr();
if (atr == null) {
return null;
}
return atr.toList();
}