private void ReleaseAudioPlaybackConnectionButton_Click(object sender, RoutedEventArgs e) { // Check if an audio playback connection was already created for the selected device Id. If it was then release its reference to deactivate it. // The underlying transport is deactivated when all references are released. if (!(DeviceListView.SelectedItem is null)) { var selectedDeviceId = (DeviceListView.SelectedItem as DeviceInformation).Id; if (audioPlaybackConnections.ContainsKey(selectedDeviceId)) { AudioPlaybackConnection connectionToRemove = audioPlaybackConnections[selectedDeviceId]; connectionToRemove.Dispose(); this.audioPlaybackConnections.Remove(selectedDeviceId); // Notify that the media device has been deactivated. ConnectionState.Text = "Disconnected"; OpenAudioPlaybackConnectionButtonButton.IsEnabled = false; } } }
private void DeviceWatcher_Removed(DeviceWatcher sender, DeviceInformationUpdate deviceInfoUpdate) { foreach (DeviceInformation device in this.devices) { if (device.Id == deviceInfoUpdate.Id) { this.devices.Remove(device); rootPage.NotifyUser(string.Format($"AudioPlayDevice {device.Name} Removed"), NotifyType.StatusMessage); break; } } if (audioPlaybackConnections.ContainsKey(deviceInfoUpdate.Id)) { AudioPlaybackConnection connectionToRemove = audioPlaybackConnections[deviceInfoUpdate.Id]; connectionToRemove.Dispose(); this.audioPlaybackConnections.Remove(deviceInfoUpdate.Id); } }
private async void DeviceWatcher_Removed(DeviceWatcher sender, DeviceInformationUpdate deviceInfoUpdate) { // Collections bound to the UI are updated in the UI thread. await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => { // Find the device for the given id and remove it from the list. foreach (DeviceInformation device in this.devices) { if (device.Id == deviceInfoUpdate.Id) { this.devices.Remove(device); break; } } if (audioPlaybackConnections.ContainsKey(deviceInfoUpdate.Id)) { AudioPlaybackConnection connectionToRemove = audioPlaybackConnections[deviceInfoUpdate.Id]; connectionToRemove.Dispose(); this.audioPlaybackConnections.Remove(deviceInfoUpdate.Id); } }); }
public async Task ConnectAsync() { try { if (AudioConnection != null) { AudioConnection.Dispose(); AudioConnection = null; } ActionButtonText = Globalization.GetString("BluetoothAudio_Button_Text_1"); ActionButtonEnabled = false; Status = Globalization.GetString("BluetoothAudio_Status_2"); OnPropertyChanged(nameof(ActionButtonEnabled)); OnPropertyChanged(nameof(ActionButtonText)); OnPropertyChanged(nameof(Status)); ConnectionStatusChanged?.Invoke(this, true); AudioConnection = AudioPlaybackConnection.TryCreateFromId(Id); if (AudioConnection != null) { await AudioConnection.StartAsync(); AudioPlaybackConnectionOpenResult Result = await AudioConnection.OpenAsync(); switch (Result.Status) { case AudioPlaybackConnectionOpenResultStatus.Success: { IsConnected = true; ActionButtonText = Globalization.GetString("BluetoothAudio_Button_Text_2"); Status = Globalization.GetString("BluetoothAudio_Status_3"); ActionButtonEnabled = true; OnPropertyChanged(nameof(ActionButtonEnabled)); OnPropertyChanged(nameof(ActionButtonText)); OnPropertyChanged(nameof(Status)); break; } case AudioPlaybackConnectionOpenResultStatus.RequestTimedOut: { IsConnected = false; ActionButtonText = Globalization.GetString("BluetoothAudio_Button_Text_1"); Status = Globalization.GetString("BluetoothAudio_Status_4"); ActionButtonEnabled = true; OnPropertyChanged(nameof(ActionButtonEnabled)); OnPropertyChanged(nameof(ActionButtonText)); OnPropertyChanged(nameof(Status)); ConnectionStatusChanged?.Invoke(this, false); LogTracer.Log("Connect to AudioPlayback failed for time out"); break; } case AudioPlaybackConnectionOpenResultStatus.DeniedBySystem: { IsConnected = false; ActionButtonText = Globalization.GetString("BluetoothAudio_Button_Text_1"); Status = Globalization.GetString("BluetoothAudio_Status_5"); ActionButtonEnabled = true; OnPropertyChanged(nameof(ActionButtonEnabled)); OnPropertyChanged(nameof(ActionButtonText)); OnPropertyChanged(nameof(Status)); ConnectionStatusChanged?.Invoke(this, false); LogTracer.Log("Connect to AudioPlayback failed for being denied by system"); break; } case AudioPlaybackConnectionOpenResultStatus.UnknownFailure: { IsConnected = false; ActionButtonText = Globalization.GetString("BluetoothAudio_Button_Text_1"); Status = Globalization.GetString("BluetoothAudio_Status_6"); ActionButtonEnabled = true; OnPropertyChanged(nameof(ActionButtonEnabled)); OnPropertyChanged(nameof(ActionButtonText)); OnPropertyChanged(nameof(Status)); ConnectionStatusChanged?.Invoke(this, false); if (Result.ExtendedError != null) { LogTracer.Log(Result.ExtendedError, "Connect to AudioPlayback failed for unknown reason"); } else { LogTracer.Log("Connect to AudioPlayback failed for unknown reason"); } break; } } } else { IsConnected = false; ActionButtonText = Globalization.GetString("BluetoothAudio_Button_Text_1"); Status = Globalization.GetString("BluetoothAudio_Status_7"); ActionButtonEnabled = true; OnPropertyChanged(nameof(ActionButtonEnabled)); OnPropertyChanged(nameof(ActionButtonText)); OnPropertyChanged(nameof(Status)); ConnectionStatusChanged?.Invoke(this, false); } } catch (Exception ex) { LogTracer.Log(ex, $"Unable to create a new {nameof(AudioPlaybackConnection)}"); IsConnected = false; ActionButtonText = Globalization.GetString("BluetoothAudio_Button_Text_1"); Status = Globalization.GetString("BluetoothAudio_Status_7"); ActionButtonEnabled = true; OnPropertyChanged(nameof(ActionButtonEnabled)); OnPropertyChanged(nameof(ActionButtonText)); OnPropertyChanged(nameof(Status)); ConnectionStatusChanged?.Invoke(this, false); } }