private async void QueueContentDialog_PrimaryButtonClick(ContentDialog sender, ContentDialogButtonClickEventArgs args)
{
var Deferral = args.GetDeferral();
try
{
if (BluetoothControl.SelectedIndex == -1 || !BluetoothDeviceCollection[BluetoothControl.SelectedIndex].DeviceInfo.Pairing.IsPaired)
{
Tips.Text = Globalization.GetString("BluetoothUI_Tips_Text_1");
Tips.Visibility = Visibility.Visible;
args.Cancel = true;
}
else
{
//首先连接到RFComm服务，获取到设备的规范名称
string CanonicalName = await ConnectToRfcommServiceAsync(BluetoothDeviceCollection[BluetoothControl.SelectedIndex]).ConfigureAwait(true);
BluetoothService BTService = BluetoothService.GetDefault();
BTService.SearchForPairedDevicesSucceeded += BTService_SearchForPairedDevicesSucceeded;
void BTService_SearchForPairedDevicesSucceeded(object sender, SearchForPairedDevicesSucceededEventArgs e)
{
BTService.SearchForPairedDevicesSucceeded -= BTService_SearchForPairedDevicesSucceeded;
if (e.PairedDevices.FirstOrDefault((Device) => Device.DeviceHost.CanonicalName == CanonicalName) is BluetoothDevice BTDevice)
{
ObexServiceProvider.SetObexInstance(BTDevice, BluetoothDeviceCollection[BluetoothControl.SelectedIndex].Name);
if (ObexServiceProvider.GetObexInstance() == null)
{
throw new Exception(Globalization.GetString("BluetoothUI_Tips_Text_2"));
}
}
else
{
throw new Exception(Globalization.GetString("BluetoothUI_Tips_Text_2"));
}
}
//能到这里说明该设备已经配对，启动搜索，完成后PairedBluetoothDeviceCollection被填充
await BTService.SearchForPairedDevicesAsync().ConfigureAwait(true);
}
}
catch (Exception e)
{
args.Cancel = true;
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
Tips.Text = e.Message;
Tips.Visibility = Visibility.Visible;
});
}
finally
{
Deferral.Complete();
}
}
public BluetoothFileTransfer(StorageFile FileToSend)
{
InitializeComponent();
this.FileToSend = FileToSend ?? throw new ArgumentNullException(nameof(FileToSend), "Parameter could not be null");
ObexClient = ObexServiceProvider.GetObexInstance();
TransferName.Text = $"{Globalization.GetString("Bluetooth_Transfer_FileName")}: {FileToSend.Name}";
TransferDeviceName.Text = $"{Globalization.GetString("Bluetooth_Transfer_DeviceName")}: {ObexServiceProvider.DeviceName}";
Loaded += BluetoothFileTransfer_Loaded;
Closing += BluetoothFileTransfer_Closing;
}
private async void QueueContentDialog_SecondaryButtonClick(ContentDialog sender, ContentDialogButtonClickEventArgs args)
{
var Deferral = args.GetDeferral();
try
{
if (SecondaryButtonText == Globalization.GetString("Bluetooth_Transfer_RetryButton"))
{
args.Cancel = true;
ProgressControl.IsIndeterminate = true;
ProgressText.Text = "0%";
ObexClient.DataTransferFailed -= ObexClient_DataTransferFailed;
ObexClient.DataTransferProgressed -= ObexClient_DataTransferProgressed;
ObexClient.DataTransferSucceeded -= ObexClient_DataTransferSucceeded;
ObexClient.ConnectionFailed -= ObexClient_ConnectionFailed;
ObexClient.Aborted -= ObexClient_Aborted;
ObexClient.Disconnected -= ObexClient_Disconnected;
ObexClient.DeviceConnected -= ObexClient_DeviceConnected;
ObexClient = ObexServiceProvider.GetObexInstance();
ObexClient.DataTransferFailed += ObexClient_DataTransferFailed;
ObexClient.DataTransferProgressed += ObexClient_DataTransferProgressed;
ObexClient.DataTransferSucceeded += ObexClient_DataTransferSucceeded;
ObexClient.ConnectionFailed += ObexClient_ConnectionFailed;
ObexClient.Aborted += ObexClient_Aborted;
ObexClient.Disconnected += ObexClient_Disconnected;
ObexClient.DeviceConnected += ObexClient_DeviceConnected;
try
{
ProgressControl.Value = 0;
CloseButtonText = string.Empty;
SecondaryButtonText = Globalization.GetString("BluetoothTranfer.SecondaryButtonText");
await ObexClient.ConnectAsync().ConfigureAwait(true);
await ObexClient.SendFileAsync(FileToSend).ConfigureAwait(true);
}
catch (Exception)
{
ProgressText.Text = Globalization.GetString("Bluetooth_Transfer_Description_6");
}
}
else
{
args.Cancel = true;
AbortFromHere = true;
try
{
await ObexClient.AbortAsync().ConfigureAwait(true);
}
catch (Exception)
{
}
}
}
finally
{
Deferral.Complete();
}
}