private async void BtnConnect_Click(object sender, RoutedEventArgs e)
{
d("Button CONNECT clicked.");
HrDevice = await BleHeartRate.FirstOrDefault();
if (HrDevice == null)
{
d("I was not able to find any HR device!");
return;
}
d("Found device: " + HrDevice.Name + " IsConnected=" + HrDevice.IsConnected);
// we should always monitor the connection status
HrDevice.DeviceConnectionStatusChanged -= HrDeviceOnDeviceConnectionStatusChanged;
HrDevice.DeviceConnectionStatusChanged += HrDeviceOnDeviceConnectionStatusChanged;
// we can create value parser and listen for parsed values of given characteristic
HrParser.ConnectWithCharacteristic(HrDevice.HeartRate.HeartRateMeasurement);
HrParser.ValueChanged -= HrParserOnValueChanged;
HrParser.ValueChanged += HrParserOnValueChanged;
// connect also battery level parser to proper characteristic
BatteryParser.ConnectWithCharacteristic(HrDevice.BatteryService.BatteryLevel);
// we can monitor raw data notified by BLE device for specific characteristic
HrDevice.HeartRate.HeartRateMeasurement.ValueChanged -= HeartRateMeasurementOnValueChanged;
HrDevice.HeartRate.HeartRateMeasurement.ValueChanged += HeartRateMeasurementOnValueChanged;
// we could force propagation of event with connection status change, to run the callback for initial status
HrDevice.NotifyConnectionStatus();
}
private async void CurrentOnSuspending(object sender, SuspendingEventArgs suspendingEventArgs)
{
if (HrDevice != null)
{
await HrDevice.Close();
}
}