protected override async void OnNavigatedTo(NavigationEventArgs e)
{
rootPage = MainPage.Current;
// Clear the messages
rootPage.NotifyUser(String.Empty, NotifyType.StatusMessage, true);
if (!ApplicationData.Current.RoamingSettings.Values.ContainsKey("DenyIfPhoneLocked"))
{
ApplicationData.Current.RoamingSettings.Values["DenyIfPhoneLocked"] = false;
}
if (!ApplicationData.Current.RoamingSettings.Values.ContainsKey("LaunchAboveLock"))
{
ApplicationData.Current.RoamingSettings.Values["LaunchAboveLock"] = false;
}
chkDenyIfPhoneLocked.IsChecked = (bool)ApplicationData.Current.RoamingSettings.Values["DenyIfPhoneLocked"];
chkLaunchAboveLock.IsChecked = (bool)ApplicationData.Current.RoamingSettings.Values["LaunchAboveLock"];
isHceSupported = await CheckHceSupport();
if (!isHceSupported)
{
btnRegisterBgTask.IsEnabled = false;
btnAddCard.IsEnabled = false;
}
else
{
lstCards.ItemsSource = await SmartCardEmulator.GetAppletIdGroupRegistrationsAsync();
}
Window.Current.VisibilityChanged += Window_VisibilityChanged;
}
public static async Task <bool> CheckHceSupport()
{
// Check if the SmartCardEmulator API exists on this currently running SKU of Windows
if (!Windows.Foundation.Metadata.ApiInformation.IsTypePresent("Windows.Devices.SmartCards.SmartCardEmulator"))
{
LogMessage("This SKU of Windows does not support NFC card emulation, only phones/mobile devices support NFC card emulation", NotifyType.ErrorMessage);
return(false);
}
// Check if any NFC emulation is supported on this device
var sce = await SmartCardEmulator.GetDefaultAsync();
if (sce == null)
{
LogMessage("NFC card emulation is not supported on this device, probably the device does not have NFC at all", NotifyType.ErrorMessage);
return(false);
}
// Check if the NFC emulation support on this device includes HCE
if (!sce.IsHostCardEmulationSupported())
{
LogMessage("This device's NFC does not support HCE-mode", NotifyType.ErrorMessage);
return(false);
}
return(true);
}
private async void btnUnregisterCard_Click(object sender, RoutedEventArgs e)
{
// Clear the messages
rootPage.NotifyUser(String.Empty, NotifyType.StatusMessage, true);
var reg = (SmartCardAppletIdGroupRegistration)lstCards.SelectedItem;
if (reg == null)
{
LogMessage("No card selected, must select from listbox", NotifyType.ErrorMessage);
return;
}
// Unregister the card
await SmartCardEmulator.UnregisterAppletIdGroupAsync(reg);
if (reg.AppletIdGroup.SmartCardEmulationCategory == SmartCardEmulationCategory.Payment &&
reg.AppletIdGroup.SmartCardEmulationType == SmartCardEmulationType.Host)
{
// Delete the data file for the card
await(await Windows.Storage.ApplicationData.Current.LocalFolder.GetFileAsync("ReadRecordResponse-" + reg.Id.ToString("B") + ".dat")).DeleteAsync();
}
// Refresh the listbox
lstCards.ItemsSource = await SmartCardEmulator.GetAppletIdGroupRegistrationsAsync();
LogMessage("AID group successfully unregistered");
}
private async void Window_VisibilityChanged(object sender, VisibilityChangedEventArgs e)
{
// Since a registration can change from ForegroundOverride to Disabled when the device
// is locked, update the registrations when the app window becomes visible
if (e.Visible && isHceSupported)
{
// Clear the messages
rootPage.NotifyUser(String.Empty, NotifyType.StatusMessage, true);
lstCards.ItemsSource = await SmartCardEmulator.GetAppletIdGroupRegistrationsAsync();
}
}
private async void btnForegroundOverrideCard_Click(object sender, RoutedEventArgs e)
{
// Clear the messages
rootPage.NotifyUser(String.Empty, NotifyType.StatusMessage, true);
var reg = (SmartCardAppletIdGroupRegistration)lstCards.SelectedItem;
if (reg == null)
{
LogMessage("No card selected, must select from listbox", NotifyType.ErrorMessage);
return;
}
await NfcUtils.SetCardActivationPolicy(reg, SmartCardAppletIdGroupActivationPolicy.ForegroundOverride);
// Refresh the listbox
lstCards.ItemsSource = await SmartCardEmulator.GetAppletIdGroupRegistrationsAsync();
}
public static async Task <SmartCardAppletIdGroupRegistration> RegisterAidGroup(string displayName, IList <IBuffer> appletIds, SmartCardEmulationCategory?emulationCategory, SmartCardEmulationType emulationType, bool automaticEnablement)
{
try
{
var cardAidGroup = new SmartCardAppletIdGroup(displayName, appletIds, (SmartCardEmulationCategory)emulationCategory, emulationType);
cardAidGroup.AutomaticEnablement = automaticEnablement;
var reg = await SmartCardEmulator.RegisterAppletIdGroupAsync(cardAidGroup);
LogMessage("AID group successfully registered", NotifyType.StatusMessage);
return(reg);
}
catch (Exception ex)
{
LogMessage("Failed to register AID group: " + ex.ToString(), NotifyType.StatusMessage);
throw;
}
}
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
rootPage = MainPage.Current;
if (!ApplicationData.Current.RoamingSettings.Values.ContainsKey("DenyIfPhoneLocked"))
{
ApplicationData.Current.RoamingSettings.Values["DenyIfPhoneLocked"] = false;
}
if (!ApplicationData.Current.RoamingSettings.Values.ContainsKey("LaunchAboveLock"))
{
ApplicationData.Current.RoamingSettings.Values["LaunchAboveLock"] = false;
}
chkDenyIfPhoneLocked.IsChecked = (bool)ApplicationData.Current.RoamingSettings.Values["DenyIfPhoneLocked"];
chkLaunchAboveLock.IsChecked = (bool)ApplicationData.Current.RoamingSettings.Values["LaunchAboveLock"];
lstCards.ItemsSource = await SmartCardEmulator.GetAppletIdGroupRegistrationsAsync();
}
public static async Task <SmartCardAppletIdGroupRegistration> GetAidGroupById(Guid id)
{
try
{
// Find registration
var reg = (from r in await SmartCardEmulator.GetAppletIdGroupRegistrationsAsync()
where r.Id == id
select r).SingleOrDefault();
if (reg == null)
{
LogMessage("No matching AID group found for specified ID", NotifyType.ErrorMessage);
}
return(reg);
}
catch (Exception ex)
{
LogMessage("Failed to get AID group by ID: " + ex.ToString(), NotifyType.StatusMessage);
throw;
}
}
private async void btnRegisterSamplePaymentCard_Click(object sender, RoutedEventArgs e)
{
// Clear the messages
rootPage.NotifyUser(String.Empty, NotifyType.StatusMessage, true);
// First check if the device supports NFC/HCE at all
if (!(await NfcUtils.CheckHceSupport()))
{
// HCE not supported
return;
}
// Next check if NFC card emualtion is turned on in the settings control panel
if ((await SmartCardEmulator.GetDefaultAsync()).EnablementPolicy == SmartCardEmulatorEnablementPolicy.Never)
{
ShowDialog("Your NFC tap+pay setting is turned off, you will be taken to the NFC control panel to turn it on");
// This URI will navigate the user to the NFC tap+pay control panel
NfcUtils.LaunchNfcPaymentsSettingsPage();
return;
}
this.Frame.Navigate(typeof(SetCardDataScenario));
}
