public static void Init(INfc nfc)
{
if (Nfc == null)
{
Nfc = nfc ?? throw new ArgumentNullException(nameof(nfc));
}
}
public AddAttendance()
{
InitializeComponent();
device = DependencyService.Get <INfc>();
device.NewTag += HandleNewTag;
}
public NfcViewModel()
{
_nfc = CrossNfc.Current;
}
