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NFC 태그를 누를 때 화재와 이벤트로 Microsoft 전화를 받으려고합니다. 그러나 태그를 두드릴 때 메소드가 실행되지 않습니다. tag가 두드려 졌을 때 cardReader_CardAdded가 실행되어야하지만 아무것도하지 않습니다.SmartCardReader가 CardAdded 메소드를 실행하지 않습니까?
public MainPage()
{
this.InitializeComponent();
smartCard();
}
public async void smartCard()
{
string selector = SmartCardReader.GetDeviceSelector();
DeviceInformationCollection devices = await DeviceInformation.FindAllAsync(selector);
foreach (DeviceInformation device in devices)
{
SmartCardReader reader = await SmartCardReader.FromIdAsync(device.Id);
reader.CardAdded += cardReader_CardAdded;
reader.CardRemoved += cardReader_CardRemoved;
}
}
private void cardReader_CardRemoved(SmartCardReader sender, CardRemovedEventArgs args)
{
}
private async void cardReader_CardAdded(SmartCardReader sender, CardAddedEventArgs args)
{
await HandleCard(args.SmartCard);
}
private async Task HandleCard(SmartCard card)
{
SmartCardProvisioning provisioning = await SmartCardProvisioning.FromSmartCardAsync(card);
SmartCardStatus status;
do
{
status = await provisioning.SmartCard.GetStatusAsync();
} while (status == SmartCardStatus.Shared);
}