> On Jan 19, 2016, at 17:41 , Dieter Siegmund <die...@apple.com> wrote:
> 
> 
>> On Jan 19, 2016, at 5:25 PM, Rick Mann <rm...@latencyzero.com> wrote:
>> 
>> 
>>> On Jan 19, 2016, at 17:20 , Carl Hoefs <newsli...@autonomy.caltech.edu> 
>>> wrote:
>>> 
>>> After upgrading a number of devices to iOS 9.2.1, we have belatedly
>>> discovered that now CNCopySupportedInterfaces() returns only nil, whereas
>>> in iOS 9.2 and earlier it returned a CFArray of interfaces.
>>> 
>>> Is there a replacement for this function (to obtain the currently
>>> connected SSID)? Or is this just plain broken? This functionality is
>>> essential to much we're doing right now.
>> 
>> This is, unfortunately, by design. If your app is a (narrowly-defined) hot 
>> spot helper app, then there are other APIs for finding out *some* network 
>> information, but you need special permission from Apple to use them, and 
>> they're not willing to approve uses outside the box.
> 
> CNCopySupportedInterfaces() *should* continue to be working in iOS 9.
> 
> If you haven’t already, please file a problem report.

We used to use this to get the current Wi-Fi network name (our app connects to 
our hardware via Wi-Fi, and we use the network name to help guide the user when 
problems arise).

Then the call went away. Looking online, it seems some people say it came back 
in iOS 9 GM, but I don't recall that ever working again. We ended up removing 
the functionality and unfortunately, our users suffer a bit more when problems 
arise.

It sounds like you're saying it's supposed to be there, although it also sounds 
like it's buggy, at best.

-- 
Rick Mann
rm...@latencyzero.com



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