//https://stackoverflow.com/questions/45191412/deviceinformation-pairasync-not-working-in-wpf
private async Task DoUnPairing(BTDeviceInfo info)
{
try {
using (BluetoothDevice device = await BluetoothDevice.FromIdAsync(info.Address)) {
this.log.Info("DoUnPairing", () => string.Format("'{0}'", info.Name));
DeviceUnpairingResult result = await device.DeviceInformation.Pairing.UnpairAsync();
this.log.Info("DoUnPairing", () =>
string.Format("'{0}' Unpair status {1}", info.Name, result.Status.ToString()));
this.BT_UnPairStatus?.Invoke(this, new BTUnPairOperationStatus()
{
Name = info.Name,
UnpairStatus = result.Status.ConvertStatus(),
IsSuccessful = result.Status.IsSuccessful(),
});
}
}
catch (Exception e) {
WrapErr.SafeAction(() => {
this.BT_UnPairStatus?.Invoke(this, new BTUnPairOperationStatus()
{
Name = info.Name,
UnpairStatus = BT_UnpairingStatus.Failed,
IsSuccessful = false,
});
});
}
}
private async Task<int> unpair_ganglion_async ()
{
if (ganglion_info == null)
{
return (int)CustomExitCodes.GANGLION_NOT_FOUND_ERROR;
}
if (ganglion_device == null)
{
return (int)CustomExitCodes.GANGLION_IS_NOT_OPEN_ERROR;
}
DeviceUnpairingResult result = null;
DeviceInformationPairing pairing_information = ganglion_device.DeviceInformation.Pairing;
try
{
if (pairing_information.IsPaired)
{
result = await ganglion_device.DeviceInformation.Pairing.UnpairAsync ().AsTask ().TimeoutAfter (timeout);
}
else
{
return (int)CustomExitCodes.GANGLION_IS_NOT_PAIRED_ERROR;
}
}
catch (TimeoutException e)
{
return (int)CustomExitCodes.TIMEOUT_ERROR;
}
catch (Exception e)
{
return (int)CustomExitCodes.GENERAL_ERROR;
}
return (int)CustomExitCodes.STATUS_OK;
}
static async Task <bool> Unpair(AnkiBLE.anki_vehicle vehicle)
{
BluetoothLEDevice device = await BluetoothLEDevice.FromBluetoothAddressAsync(vehicle.mac_address);
DeviceUnpairingResult result = await device.DeviceInformation.Pairing.UnpairAsync();
return(result.Status == DeviceUnpairingResultStatus.Unpaired);
}
private async void btnUnpair_Click(object sender, RoutedEventArgs e)
{
var discoveredDevice = (DiscoveredDevice)lvDiscoveredDevices.SelectedItem;
DeviceUnpairingResult result = await discoveredDevice.DeviceInfo.Pairing.UnpairAsync();
rootPage.NotifyUser($"Unpair result: {result.Status}", NotifyType.StatusMessage);
}
private async void BtUnpair()
{
rootPage.StatusBar("Paring Started Please Wait...", BarStatus.Warnning);
Btdevice deviceInfoDisp = resultListView.SelectedItem as Btdevice;
DeviceUnpairingResult dupr = await deviceInfoDisp.DeviceInformation.Pairing.UnpairAsync();
rootPage.StatusBar("Unparing Result" + dupr.Status.ToString(), dupr.Status == DeviceUnpairingResultStatus.Unpaired ? BarStatus.Sucess : BarStatus.Error);
}
private static async void Unpair(DeviceInformation device)
{
// var res = device.Pairing.UnpairAsync().GetAwaiter().GetResult().Status;
DeviceUnpairingResult res = await device.Pairing.UnpairAsync();
if (res.Status != DeviceUnpairingResultStatus.Unpaired)
{
throw new Exception($"Failed to unpair the device. Status = {res.Status}");
}
}
public async Task <bool> UnpairingDeviceAsync(string deviceId)
{
var device = FindKnownBluetoothDevice(deviceId);
// do unpairing
DeviceUnpairingResult unpairingResult = await device.DeviceInformation.Pairing.UnpairAsync();
if (unpairingResult.Status == DeviceUnpairingResultStatus.Unpaired)
{
return(true);
}
return(false);
}
private async void UnpairButton_Click(object sender, RoutedEventArgs e)
{
DeviceInformationDisplay deviceInfoDisp = resultsListView.SelectedItem as DeviceInformationDisplay;
Debug.WriteLine("Unpair");
UnpairButton.IsEnabled = false;
SensorList.IsEnabled = false;
InitButton.IsEnabled = false;
EnableButton.IsEnabled = false;
EnableIOButton.IsEnabled = false;
DisableIOButton.IsEnabled = false;
AllOffIOButton.IsEnabled = false;
BUZZButton.IsEnabled = false;
LED1Button.IsEnabled = false;
LED2Button.IsEnabled = false;
DeviceInfoConnected = null;
Debug.WriteLine("Disable Sensors");
for (int i = 0; i < CC2650SensorTag.NUM_SENSORS; i++)
{
if (CC2650SensorTag.ServiceList[i] != null)
{
//await disableSensor(i);
await CC2650SensorTag.SensorsCharacteristicsList[i].DisableNotify();
}
}
Debug.WriteLine("UnpairAsync");
try
{
DeviceUnpairingResult dupr = await deviceInfoDisp.DeviceInformation.Pairing.UnpairAsync();
string unpairResult = $"Unpairing result = {dupr.Status}";
Debug.WriteLine(unpairResult);
UserOut.Text = unpairResult;
}
catch (Exception ex)
{
Debug.WriteLine("Unpair exception = " + ex.Message);
}
for (int i = 0; i < CC2650SensorTag.ServiceList.Length; i++)
{
CC2650SensorTag.ServiceList[i] = null;
}
UpdatePairingButtons();
StartWatcher();
}
private Task StopBLEWatcherAsync(DeviceInformationDisplay deviceInfoDisp)
{
return(Task.Run(async() =>
{
Debug.WriteLine("Disable Sensors");
foreach (var sensor in _serviceList)
{
await disableSensor(sensor.Key);
}
lock (_serviceList)
{
_serviceList.Clear();
}
lock (_notifyList)
{
_notifyList.Clear();
}
// stop BLE watcher
if (null != blewatcher)
{
// Unregister all event handlers but stopped,
// stop the watcher and wait it is stopped.
blewatcher.Added -= OnBLEAdded;
blewatcher.Updated -= OnBLEUpdated;
blewatcher.Removed -= OnBLERemoved;
blewatcher.Stop();
if (blewatcherStopped.WaitOne(TimeSpan.FromMinutes(BLEWATCHER_STOP_TIMEOUT)))
{
Debug.WriteLine($"BLE watcher {blewatcher.Status.ToString()}");
blewatcher.Stopped -= OnBLEStopped;
blewatcher = null;
}
else
{
Debug.WriteLine($"CANNOT stop BLE watcher - timeout expired - BLE status: {blewatcher.Status.ToString()}");
}
}
Debug.WriteLine("UnpairAsync");
DeviceUnpairingResult dupr = await deviceInfoDisp.DeviceInformation.Pairing.UnpairAsync();
string unpairResult = $"Unpairing result = {dupr.Status}";
Debug.WriteLine(unpairResult);
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
UserOut.Text = unpairResult;
});
}));
}
public async Task <bool> Unpair()
{
DeviceUnpairingResult duResult = await bluetoothLEDevice.DeviceInformation.Pairing.UnpairAsync();
Console.WriteLine("Unpair result: " + duResult.Status);
if (duResult.Status == DeviceUnpairingResultStatus.Unpaired)
{
return(true);
}
else
{
return(false);
}
}
private async void btnUnpair_Click(object sender, RoutedEventArgs e)
{
var discoveredDevice = (DiscoveredDevice)lvDiscoveredDevices.SelectedItem;
if (discoveredDevice == null)
{
rootPage.NotifyUser("No device selected, please select one.", NotifyType.ErrorMessage);
return;
}
DeviceUnpairingResult result = await discoveredDevice.DeviceInfo.Pairing.UnpairAsync();
rootPage.NotifyUser($"Unpair result: {result.Status}", NotifyType.StatusMessage);
}
//private async void btnPair_Click(object sender, RoutedEventArgs e)
//{
// resultsListView.IsEnabled = false;
// (sender as Button).IsEnabled = false;
// this.NotifyUser("Pairing started. Please wait...", NotifyType.StatusMessage);
// // Get the device selected for pairing
// BluetoothLEDeviceDisplay deviceInfoDisp = resultsListView.SelectedItem as BluetoothLEDeviceDisplay;
// DevicePairingResult result = null;
// result = await deviceInfoDisp.DeviceInformation.Pairing.PairAsync();
// this.NotifyUser(
// "Pairing result = " + result.Status.ToString(),
// result.Status == DevicePairingResultStatus.Paired ? NotifyType.StatusMessage : NotifyType.ErrorMessage);
// // UpdateButtons();
// resultsListView.IsEnabled = true;
//}
private async void btnUnPair_Click(object sender, RoutedEventArgs e)
{
resultsListView.IsEnabled = false;
(sender as Button).IsEnabled = false;
this.NotifyUser("Unpairing started. Please wait...", NotifyType.StatusMessage);
DeviceUnpairingResult dupr = await deviceInfoDisp.DeviceInformation.Pairing.UnpairAsync();
this.NotifyUser(
"Unpairing result = " + dupr.Status.ToString(),
dupr.Status == DeviceUnpairingResultStatus.Unpaired ? NotifyType.StatusMessage : NotifyType.ErrorMessage);
// UpdateButtons();
resultsListView.IsEnabled = true;
}
/// <summary>
/// Called to unpair a targeted device
/// </summary>
/// <param name="unpairButton">Unpair button</param>
/// <param name="currentDevice">Displayable information for the targeted device</param>
public async Task UnpairDeviceAsync(Button unpairButton, BluetoothDeviceInfo currentDevice)
{
try
{
string confirmationMessage = string.Empty;
// Disable the unpair button until we are done
unpairButton.IsEnabled = false;
DeviceUnpairingResult unpairingResult = await currentDevice.DeviceInformation.Pairing.UnpairAsync();
if (unpairingResult.Status == DeviceUnpairingResultStatus.Unpaired)
{
// Device is unpaired
confirmationMessage = string.Format(BluetoothUnpairingSuccessFormat, currentDevice.Name, currentDevice.IdWithoutProtocolPrefix);
}
else
{
confirmationMessage = string.Format(BluetoothUnpairingFailureFormat,
unpairingResult.Status.ToString(),
currentDevice.Name,
currentDevice.IdWithoutProtocolPrefix);
}
// Display the result of the unpairing attempt
await DisplayMessagePanel(confirmationMessage, MessageType.InformationalMessage);
// If the watcher toggle is on, clear any devices in the list and stop and restart the watcher to ensure state is reflected in list
if (BluetoothWatcherEnabled)
{
BluetoothDeviceCollection.Clear();
StopWatcher();
StartWatcherAsync();
}
else
{
// If the watcher is off this is an inbound request so just clear the list
BluetoothDeviceCollection.Clear();
}
// Enable the unpair button
unpairButton.IsEnabled = true;
}
catch (Exception ex)
{
LogService.Write(ex.ToString(), LoggingLevel.Error);
}
}
/// <summary>
/// User wants to unpair from the selected device
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void UnpairButton_Click(object sender, RoutedEventArgs e)
{
// Use the unpair button on the bluetoothDeviceListView.SelectedItem to get the data context
BluetoothDeviceInformationDisplay deviceInfoDisp = ((Button)sender).DataContext as BluetoothDeviceInformationDisplay;
string formatString;
string confirmationMessage;
Button unpairButton = sender as Button;
// Disable the unpair button until we are done
unpairButton.IsEnabled = false;
DeviceUnpairingResult unpairingResult = await deviceInfoDisp.DeviceInformation.Pairing.UnpairAsync();
ResourceLoader loader = ResourceLoader.GetForCurrentView();
if (unpairingResult.Status == DeviceUnpairingResultStatus.Unpaired)
{
// Device is unpaired
formatString = loader.GetString("BluetoothUnpairingSuccess/Text");
confirmationMessage = formatString + deviceInfoDisp.Name + " (" + deviceInfoDisp.Id + ")";
}
else
{
formatString = loader.GetString("BluetoothUnpairingFailure/Text");
confirmationMessage = formatString + deviceInfoDisp.Name + " (" + deviceInfoDisp.Id + ")"; // unpairingResult.Status.ToString()
}
// Display the result of the pairing attempt
ViewModel.DisplayMessagePanelAsync(confirmationMessage, SettingBluetoothViewModel.MessageType.InformationalMessage);
// If the watcher toggle is on, clear any devices in the list and stop and restart the watcher to ensure state is reflected in list
if (SwitchBluetooth.IsChecked.Value)
{
ViewModel.BluetoothDevices.Clear();
ViewModel.StopWatcher();
ViewModel.StartWatcher();
}
else
{
// If the watcher is off this is an inbound request so just clear the list
ViewModel.BluetoothDevices.Clear();
}
// Re-enable the unpair button
unpairButton.IsEnabled = true;
}
private async void UnpairButton_Click(object sender, RoutedEventArgs e)
{
// Gray out the unpair button and results view while unpairing is in progress.
resultsListView.IsEnabled = false;
UnpairButton.IsEnabled = false;
rootPage.NotifyUser("Unpairing started. Please wait...", NotifyType.StatusMessage);
BluetoothLEDeviceDisplay deviceInfoDisp = resultsListView.SelectedItem as BluetoothLEDeviceDisplay;
DeviceUnpairingResult dupr = await deviceInfoDisp.DeviceInformation.Pairing.UnpairAsync();
rootPage.NotifyUser(
"Unpairing result = " + dupr.Status.ToString(),
dupr.Status == DeviceUnpairingResultStatus.Unpaired ? NotifyType.StatusMessage : NotifyType.ErrorMessage);
UpdateButtons();
resultsListView.IsEnabled = true;
}
/// <summary>
/// User wants to unpair from the selected device
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void UnpairButton_Click(object sender, RoutedEventArgs e)
{
// Use the unpair button on the bluetoothDeviceListView.SelectedItem to get the data context
BluetoothDeviceInformationDisplay deviceInfoDisp = ((Button)sender).DataContext as BluetoothDeviceInformationDisplay;
string formatString;
string confirmationMessage;
Button unpairButton = sender as Button;
// Disable the unpair button until we are done
unpairButton.IsEnabled = false;
DeviceUnpairingResult unpairingResult = await deviceInfoDisp.DeviceInformation.Pairing.UnpairAsync();
if (unpairingResult.Status == DeviceUnpairingResultStatus.Unpaired)
{
// Device is unpaired
formatString = BluetoothDeviceInformationDisplay.GetResourceString("BluetoothUnpairingSuccessFormat");
confirmationMessage = string.Format(formatString, deviceInfoDisp.Name, deviceInfoDisp.Id);
}
else
{
formatString = BluetoothDeviceInformationDisplay.GetResourceString("BluetoothUnpairingFailureFormat");
confirmationMessage = string.Format(formatString, unpairingResult.Status.ToString(), deviceInfoDisp.Name, deviceInfoDisp.Id);
}
// Display the result of the pairing attempt
DisplayMessagePanelAsync(confirmationMessage, MessageType.InformationalMessage);
// If the watcher toggle is on, clear any devices in the list and stop and restart the watcher to ensure state is reflected in list
if (BluetoothToggle.IsOn)
{
bluetoothDeviceObservableCollection.Clear();
StopWatcher();
StartWatcher();
}
else
{
// If the watcher is off this is an inbound request so just clear the list
bluetoothDeviceObservableCollection.Clear();
}
// Re-enable the unpair button
unpairButton.IsEnabled = true;
}
private async void UnpairButton_Click(object sender, RoutedEventArgs e)
{
DeviceInformationDisplay deviceInfoDisp = resultsListView.SelectedItem as DeviceInformationDisplay;
Debug.WriteLine("Unpair");
UnpairButton.IsEnabled = false;
SensorList.IsEnabled = false;
EnableButton.IsEnabled = false;
DisableButton.IsEnabled = false;
DeviceInfoConnected = null;
Debug.WriteLine("Disable Sensors");
for (int i = 0; i < NUM_SENSORS; i++)
{
if (serviceList[i] != null)
{
await disableSensor(i);
}
}
Debug.WriteLine("UnpairAsync");
try
{
DeviceUnpairingResult dupr = await deviceInfoDisp.DeviceInformation.Pairing.UnpairAsync();
string unpairResult = $"Unpairing result = {dupr.Status}";
Debug.WriteLine(unpairResult);
UserOut.Text = unpairResult;
}
catch (Exception ex)
{
Debug.WriteLine("Unpair exception = " + ex.Message);
}
for (int i = 0; i < NUM_SENSORS; i++)
{
serviceList[i] = null;
}
UpdatePairingButtons();
}
private async void PairOrCancelButton_Click(object sender, RoutedEventArgs e)
{
Button Btn = sender as Button;
if (Btn.DataContext is BluetoothDeivceData Device)
{
if (Btn.Content.ToString() == Globalization.GetString("PairText"))
{
await PairAsync(Device).ConfigureAwait(false);
}
else
{
DeviceUnpairingResult UnPairResult = await Device.DeviceInfo.Pairing.UnpairAsync();
if (UnPairResult.Status == DeviceUnpairingResultStatus.Unpaired || UnPairResult.Status == DeviceUnpairingResultStatus.AlreadyUnpaired)
{
BluetoothDeviceCollection.Remove(Device);
}
}
}
}
// -->> Device Pairing/Unpairing <<--
// Pair Button: Click Event
//___________________________________
private async void pairButton_Click(object sender, RoutedEventArgs e)
{
pairButton.IsEnabled = false;
devicesListView.IsEnabled = false;
rootPage.ShowProgressRing(pairingProgressRing, true);
pairingCommandBar.Background = (SolidColorBrush)Application.Current.Resources["CommandBarBackground"];
DeviceInformationDisplay deviceInfoSelected = devicesListView.SelectedItem as DeviceInformationDisplay;
if (deviceInfoSelected != null) // Checks a device has been selected
{
bool paired = true;
if (deviceInfoSelected.IsPaired != true) // Is device unpaired?
{ // Pair Selectede Device
paired = false;
// Selects all the available ceremonies for pairing
DevicePairingKinds ceremoniesSelected =
DevicePairingKinds.ConfirmOnly | DevicePairingKinds.DisplayPin |
DevicePairingKinds.ProvidePin | DevicePairingKinds.ConfirmPinMatch;
DevicePairingProtectionLevel protectionLevel = DevicePairingProtectionLevel.Default;
// Specify a custom pairing with all ceremony types and EncryptionAndAuthentication protection
DeviceInformationCustomPairing customPairing = deviceInfoSelected.DeviceInformation.Pairing.Custom;
customPairing.PairingRequested += PairingRequested_EventHandler;
// Requesting pairing ...
pairingStatusTextBlock.Text = $"Pairing to {deviceInfoSelected.Name}";
// -->> Pairing device
DevicePairingResult result = await customPairing.PairAsync(ceremoniesSelected, protectionLevel);
customPairing.PairingRequested -= PairingRequested_EventHandler;
switch (result.Status)
{
case DevicePairingResultStatus.Paired: // Pairing succeeded
paired = true;
break;
case DevicePairingResultStatus.AccessDenied: // Permission denied
pairingStatusTextBlock.Text = "Operation cancelled by the user";
break;
default: // Failed
pairingStatusTextBlock.Text = $"Pairing to {deviceInfoSelected.Name} failed";
pairingCommandBar.Background = new SolidColorBrush(Colors.Tomato);
break;
}
if (paired)
{
// Device paired correctly
StopWatcher();
StartWatcher();
pairingStatusTextBlock.Text = $"Successfully paired to {deviceInfoSelected.Name}.";
pairingCommandBar.Background = new SolidColorBrush(Colors.LightGreen);
pairButton.Icon = new SymbolIcon(Symbol.Clear);
// Saving the Device ID and Name for future use
rootPage.selectedDeviceId = deviceInfoSelected.Id;
rootPage.selectedDeviceName = deviceInfoSelected.Name;
}
}
else if (deviceInfoSelected.IsPaired) // Else, device is already paired
{ // Unpair device
pairingStatusTextBlock.Text = $"Unpairing {deviceInfoSelected.Name}";
// -->> Unpairing device
DeviceInformationPairing deviceUnpairing = deviceInfoSelected.DeviceInformation.Pairing;
DeviceUnpairingResult result = await deviceUnpairing.UnpairAsync();
switch (result.Status)
{
case DeviceUnpairingResultStatus.Unpaired: // Succeeded
StopWatcher();
StartWatcher();
pairingStatusTextBlock.Text = $"{deviceInfoSelected.Name} unpaired successfully";
pairingCommandBar.Background = new SolidColorBrush(Colors.LightGreen);
pairButton.Content = "Pair/Unpair Device";
rootPage.selectedDeviceId = null;
rootPage.selectedDeviceName = null;
break;
case DeviceUnpairingResultStatus.AccessDenied: // Permission denied
pairingStatusTextBlock.Text = "Operation cancelled by the user";
break;
default: // Failed
pairingStatusTextBlock.Text = "Unpairing failed!";
pairingCommandBar.Background = new SolidColorBrush(Colors.Tomato);
break;
}
}
}
rootPage.ShowProgressRing(pairingProgressRing, false);
pairButton.IsEnabled = true;
devicesListView.IsEnabled = true;
}
private async void CheckPairing(DeviceInformationDisplay deviceInfoDisplay)
{
Debug.WriteLine("{0}- '{1}' Signal Strength - {2}", DateTime.Now.Ticks, deviceInfoDisplay.Name, deviceInfoDisplay.SignalStrength);
if (!deviceInfoDisplay.IsPairing)
{
// Pair device only if it is close
if (deviceInfoDisplay.Name.StartsWith("XY") &&
!deviceInfoDisplay.IsPaired &&
(deviceInfoDisplay.SignalStrength > -50))
{
// Set a flag on the device so that once it begins to pair, it doesn't constantly try to pair
deviceInfoDisplay.IsPairing = true;
// This is just basic pairing (No PIN or confirmation)
DevicePairingKinds ceremonies = DevicePairingKinds.ConfirmOnly;
DevicePairingProtectionLevel protectionLevel = DevicePairingProtectionLevel.Default;
DeviceInformationCustomPairing customPairing = deviceInfoDisplay.DeviceInformation.Pairing.Custom;
// In the cases where more complex pairing is required, user interaction happens in the Pairing Requested event
customPairing.PairingRequested += OnPairingRequested;
DevicePairingResult result = await customPairing.PairAsync(ceremonies, protectionLevel);
customPairing.PairingRequested -= OnPairingRequested;
Debug.WriteLine("{0} pair result - {1}", deviceInfoDisplay.Name, result.Status);
// If the pair was successful, act based on the beacon ID
if (DevicePairingResultStatus.Paired == result.Status)
{
var stream = await _speechSynth.SynthesizeTextToStreamAsync("Paired beacon ID " + deviceInfoDisplay.Name);
// Use a dispatcher to play the audio
var ignored = Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
//Set the souce of the MediaElement to the SpeechSynthesisStream
_audio.SetSource(stream, stream.ContentType);
//Play the stream
_audio.Play();
});
}
deviceInfoDisplay.IsPairing = false;
}
else if (deviceInfoDisplay.Name.StartsWith("XY") &&
deviceInfoDisplay.IsPaired &&
(deviceInfoDisplay.SignalStrength < -50))
{
// Set a flag on the device so that once it begins to pair, it doesn't constantly try to unpair
deviceInfoDisplay.IsPairing = true;
// Unpair the beacon
DeviceUnpairingResult result = await deviceInfoDisplay.DeviceInformation.Pairing.UnpairAsync();
Debug.WriteLine("{0} unpair result - {1}", deviceInfoDisplay.Name, result.Status);
deviceInfoDisplay.IsPairing = false;
}
}
}
