private async void DeviceWatcher_Updated(DeviceWatcher sender, DeviceInformationUpdate deviceInfoUpdate)
{
await DeviceListPage.dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
lock (this)
{
// Debug.WriteLine(String.Format("Updated {0}{1}", deviceInfoUpdate.Id, ""));
// Protect against race condition if the task runs after the app stopped the deviceWatcher.
if (sender == deviceWatcher)
{
BLEDeviceInfo bleDeviceDisplay = FindBluetoothLEDeviceDisplay(deviceInfoUpdate.Id);
if (bleDeviceDisplay != null)
{
// Device is already being displayed - update UX.
bleDeviceDisplay.Update(deviceInfoUpdate);
return;
}
DeviceInformation deviceInfo = FindUnknownDevices(deviceInfoUpdate.Id);
if (deviceInfo != null)
{
// If device has been updated with a friendly name it's no longer unknown.
if (deviceInfo.Name != String.Empty)
{
NotifyStatusMessage?.Invoke("device found:" + deviceInfo.Name);
deviceInfo.Update(deviceInfoUpdate);
BLEDevices.Add(new BLEDeviceInfo(deviceInfo));
BLEUnknownDevices.Remove(deviceInfo);
}
}
}
}
});
}
private async void DeviceWatcher_Removed(DeviceWatcher sender, DeviceInformationUpdate deviceInfoUpdate)
{
await DeviceListPage.dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
lock (this)
{
// Debug.WriteLine(String.Format("Updated {0}{1}", deviceInfoUpdate.Id, ""));
// Protect against race condition if the task runs after the app stopped the deviceWatcher.
if (sender == deviceWatcher)
{
BLEDeviceInfo bleDeviceDisplay = FindBluetoothLEDeviceDisplay(deviceInfoUpdate.Id);
if (bleDeviceDisplay != null)
{
// Device is already being displayed - update UX.
BLEDevices.Remove(bleDeviceDisplay);
NotifyStatusMessage?.Invoke(bleDeviceDisplay.Name + " Removed.");
return;
}
DeviceInformation deviceInfo = FindUnknownDevices(deviceInfoUpdate.Id);
if (deviceInfo != null)
{
BLEUnknownDevices.Remove(deviceInfo);
NotifyStatusMessage?.Invoke(deviceInfo.Id + " Removed.");
}
}
}
});
}