private void GetSystemConnectedOrPairedDevices()
{
try
{
//heart rate
var guid = Guid.Parse("0000180d-0000-1000-8000-00805f9b34fb");
// SystemDevices = Adapter.GetSystemConnectedOrPairedDevices(new[] { guid }).Select(d => new DeviceListItemViewModel(d)).ToList();
// remove the GUID filter for test
// Avoid to loose already IDevice with a connection, otherwise you can't close it
// Keep the reference of already known devices and drop all not in returned list.
var pairedOrConnectedDeviceWithNullGatt = Adapter.GetSystemConnectedOrPairedDevices();
SystemDevices.RemoveAll(sd => !pairedOrConnectedDeviceWithNullGatt.Any(p => p.Id == sd.Id));
SystemDevices.AddRange(pairedOrConnectedDeviceWithNullGatt.Where(d => !SystemDevices.Any(sd => sd.Id == d.Id)).Select(d => new DeviceListItemViewModel(d)));
RaisePropertyChanged(() => SystemDevices);
}
catch (Exception ex)
{
Trace.Message("Failed to retreive system connected devices. {0}", ex.Message);
}
}