Answers

• LandLu Member, Xamarin Team Xamurai

  March 11

  What you described above seems that you wanted to advertise data through BLE.
  This plugin could help you: https://github.com/aritchie/bluetoothle
  Use this to advertise:

  CrossBleAdapter.Current.Advertiser.Start(new AdvertisementData
  {
      LocalName = "TestServer",
      ServiceUUIDs = new Guid[] { /* your custom UUIDs here */ }
  });
  
  CrossBleAdapter.Current.Advertiser.Stop();
  

  Moreover, you could refer to the advertising documentation: https://github.com/aritchie/bluetoothle/blob/master/docs/advertising.md

  1
• calincozmin Member ✭✭

  March 20

  @LandLu I just tried with their last version and it's not working as it should.

  After a couple of failures I did something like the code below. It's working but only with data smaller than 31 bytes. There is any possibility to increase the limit of data ?

  Thanks

  ` AdvertiseSettings settings = new AdvertiseSettings.Builder()
  .SetAdvertiseMode(AdvertiseMode.LowLatency).SetTxPowerLevel(AdvertiseTx.PowerHigh).SetConnectable(true).Build();

                          ParcelUuid pUuid = new ParcelUuid(UUID.FromString(UuiD));
  
                          AdvertiseData data = new AdvertiseData.Builder()
                              .SetIncludeDeviceName(false)
                              .AddServiceUuid(pUuid )
                              .AddServiceData(pUuid , bytes)
                              .Build(); //.SetIncludeDeviceName(true)
  
                          _manager.Adapter.BluetoothLeAdvertiser.StartAdvertising(settings, data, new AdvertiseCallBackClass());`
  

  0