[iOS] It is possible to get iBeacon ManufacturerSpecificData in iOS ? now only ServiceData.

[densen2014]

Steps to reproduce

1. code

adapter.DeviceAdvertised += OnDeviceAdvertised;
await adapter.StartScanningForDevicesAsync();

OnDeviceAdvertised handler have a look at the advertisement records:

        private async void OnDeviceAdvertised(object sender, DeviceEventArgs args)
        {
            var dev = args.Device;
            var adRecs = dev.AdvertisementRecords;
            foreach (var adrec in adRecs)
            {
                Debug.WriteLine(adrec);
            }
        }

Expected behavior

if has ManufacturerSpecificData we can get data and location tags, like UUID ,Major,Minor, in other APP from apple appstore can display these parameters, i am not sure if there are other ways to bypass ble core on ios?

After querying the data, I found that the iOS system is deliberately hidden.

#101

The distance measurement function of iBeacon be introduced into the dotnet-bluetooth-le API?

Actual behavior

only ServiceData can be get in iOS. ( android and uwp work fine!)

Crashlog

Configuration

Version of the Plugin: 3.0.0-beta.6

Platform: iOS 16.6.1 , VS2022 + MAUI

Device: iPhone 13 Pro

[smsissuechecker]

Hi @densen2014,

I'm the friendly issue checker.
Thanks for using the issue template 🌟
I appreciate it very much. I'm sure, the maintainers of this repository will answer, soon.

[janusw]

Actual behavior

only ServiceData can be get in iOS. ( android and uwp work fine!)

In general, I can see BLE advertisements with ManufacturerSpecificData on iOS, e.g. via the BLE.Client.Maui sample app.

#101 seems to indicate that iOS hides certain advertisement data from iBeacon devices. I have no such device here to verify this.

If there are apps that show this data, it must be possible to obtain it somehow (maybe via the CoreLocation API?).