Question

作为Windows Phone的初学者，我想在C＃中阅读已连接设备的蓝牙MAC地址。

这听起来很容易，但我无法弄清楚。所以这是我的App进度的一部分：

在读取连接设备的MAC地址后，后台将使用此地址匹配MySQL的数据，如果匹配，则应用程序可以采取下一步。

即使在MSDN中阅读了很多书，我仍然找不到这个解决方案。请帮助或尝试提供一些如何实现这一目标的想法。

Answer 1

感谢大家的帮助，特别是@NSNoob！

在搜索MSDN的文档后，我终于找到了解决方案！

    // Constructor
    public MainPage()
    {
        InitializeComponent();
        Loaded += MainPage_Loaded;
    }

    void MainPage_Loaded(object sender, RoutedEventArgs e)
    {
        // Bluetooth is not available in the emulator. 
        if (Microsoft.Devices.Environment.DeviceType == Microsoft.Devices.DeviceType.Emulator)
        {
            MessageBox.Show(AppResources.Msg_EmulatorMode,"Warning",MessageBoxButton.OK);
        }

        _pairedDevices = new ObservableCollection<PairedDeviceInfo>();
        PairedDevicesList.ItemsSource = _pairedDevices;
    }

    private void FindPairedDevices_Tap(object sender, GestureEventArgs e)
    {
        RefreshPairedDevicesList();
    }

    /// <summary>
    /// Asynchronous call to re-populate the ListBox of paired devices.
    /// </summary>
    private async void RefreshPairedDevicesList()
    {
        try
        {
            // Search for all paired devices
            PeerFinder.AlternateIdentities["Bluetooth:Paired"] = "";
            var peers = await PeerFinder.FindAllPeersAsync();

            // By clearing the backing data, we are effectively clearing the ListBox
            _pairedDevices.Clear();

            if (peers.Count == 0)
            {
                MessageBox.Show(AppResources.Msg_NoPairedDevices);
            }
            else
            {
                // Found paired devices.
                foreach (var peer in peers)
                {
                    _pairedDevices.Add(new PairedDeviceInfo(peer));
                }
            }
        }
        catch (Exception ex)
        {
            if ((uint)ex.HResult == 0x8007048F)
            {
                var result = MessageBox.Show(AppResources.Msg_BluetoothOff, "Bluetooth Off", MessageBoxButton.OKCancel);
                if (result == MessageBoxResult.OK)
                {
                    ShowBluetoothcControlPanel();
                }
            }
            else if ((uint)ex.HResult == 0x80070005)
            {
                MessageBox.Show(AppResources.Msg_MissingCaps);
            }
            else
            {
                MessageBox.Show(ex.Message);
            }
        }
    }

    private void ConnectToSelected_Tap_1(object sender, GestureEventArgs e)
    {
        // Because I enable the ConnectToSelected button only if the user has
        // a device selected, I don't need to check here whether that is the case.

        // Connect to the device
        PairedDeviceInfo pdi = PairedDevicesList.SelectedItem as PairedDeviceInfo;
        PeerInformation peer = pdi.PeerInfo;

        // Asynchronous call to connect to the device
        ConnectToDevice(peer);
    }

    private async void ConnectToDevice(PeerInformation peer)
    {
        if (_socket != null)
        {
            // Disposing the socket with close it and release all resources associated with the socket
            _socket.Dispose();
        }

        try
        {
            _socket = new StreamSocket();
            string serviceName = (String.IsNullOrWhiteSpace(peer.ServiceName)) ? tbServiceName.Text : peer.ServiceName;

            // Note: If either parameter is null or empty, the call will throw an exception
            await _socket.ConnectAsync(peer.HostName, serviceName);

            // If the connection was successful, the RemoteAddress field will be populated
           MessageBox.Show(String.Format(AppResources.Msg_ConnectedTo, _socket.Information.RemoteAddress.DisplayName));
        }
        catch (Exception ex)
        {
            // In a real app, you would want to take action dependent on the type of 
            // exception that occurred.
            MessageBox.Show(ex.Message);

            _socket.Dispose();
            _socket = null;
        }
    }

    private void PairedDevicesList_SelectionChanged(object sender, SelectionChangedEventArgs e)
    {
        // Check whether the user has selected a device
        if (PairedDevicesList.SelectedItem == null)
        {
            // No - hide these fields
            ConnectToSelected.IsEnabled = false;
            ServiceNameInput.Visibility = Visibility.Collapsed;
        }
        else
        {
            // Yes - enable the connect button
            ConnectToSelected.IsEnabled = true;

            // Show the service name field, if the ServiceName associated with this device is currently empty
            PairedDeviceInfo pdi = PairedDevicesList.SelectedItem as PairedDeviceInfo;
            ServiceNameInput.Visibility = (String.IsNullOrWhiteSpace(pdi.ServiceName)) ? Visibility.Visible : Visibility.Collapsed;
        }
    }

    private void ShowBluetoothcControlPanel()
    {
        ConnectionSettingsTask connectionSettingsTask = new ConnectionSettingsTask();
        connectionSettingsTask.ConnectionSettingsType = ConnectionSettingsType.Bluetooth;
        connectionSettingsTask.Show();
    }
}

/// <summary>
///  Class to hold all paired device information
/// </summary>
public class PairedDeviceInfo
{
    internal PairedDeviceInfo(PeerInformation peerInformation)
    {
        this.PeerInfo = peerInformation;
        this.DisplayName = this.PeerInfo.DisplayName;
        this.HostName = this.PeerInfo.HostName.DisplayName;
        this.ServiceName = this.PeerInfo.ServiceName;
    }

    public string DisplayName { get; private set; }
    public string HostName { get; private set; }
    public string ServiceName { get; private set; }
    public PeerInformation PeerInfo { get; private set; }
}

}

您也可以通过以下链接下载此示例：https://msdn.microsoft.com/library/windows/apps/ff402535(v=vs.105).aspx

WP8.1能否读取连接设备的蓝牙MAC地址？

1 个答案: