Re: Bluetooth-dev Digest, Vol 15, Issue 7
Re: Bluetooth-dev Digest, Vol 15, Issue 7
- Subject: Re: Bluetooth-dev Digest, Vol 15, Issue 7
- From: "email@hidden" <email@hidden>
- Date: Wed, 06 Jun 2018 19:19:39 -0700
Hi Rogers / Hadi,
The problem described here with centralManagerDidUpdateState should be fixed in
the IOS12 beta; please try it out and let us know!
Thanks,
Duy
> On Jun 6, 2018, at 12:39 PM, Rogers George <email@hidden> wrote:
>
> We have encountered this as well.
>
> I have found that it happened to me only after using the Control Center
> bluetooth button to "turn off" (disconnect but not actually turn off)
> Bluetooth, *in combination* with using the Settings App or Airplane Mode
> button to turn Bluetooth off or on, in some sequence. I'm sorry I don't have
> an exact sequence for you.
>
> I now make a point of only ever using the Airplane Mode button or the
> Settings App to disable Bluetooth when I need it truly turned off. Since
> doing so, I have never encountered this state. Using the control center
> button to turn Bluetooth ON (from a truly-off state) seems safe so far.
>
> Once the state is reached, rebooting the phone of course clears it up; there
> is probably something less drastic that works, but since figuring out how to
> avoid it I haven't had to hunt for a better fix.
>
> If you can see other apps exhibit the same problem, that strongly suggests
> this is a bug in Core Bluetooth related to the Control Center Bluetooth
> button's new behavior.
>
> -- R.
>
> (Apple, please count me as yet another vote that the iOS 11 behavior of that
> button is unhelpful, and that a true "off" for Bluetooth and Wifi should be
> available somehow in the control center. Firm-press maybe?)
>
>> On Jun 6, 2018, at 2:00 PM, email@hidden wrote:
>>
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>> Today's Topics:
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>> 1. Getting state .poweredOff even when Bluetooth is on (Hadi)
>>
>>
>> ----------------------------------------------------------------------
>>
>> Message: 1
>> Date: Wed, 06 Jun 2018 16:00:27 +0500
>> From: Hadi <email@hidden>
>> To: email@hidden
>> Subject: Getting state .poweredOff even when Bluetooth is on
>> Message-ID:
>> <CA+h4dx4PabQP3n96sAV2V5ujqzjsxQZ2a=ADLp4AWq7G=email@hidden>
>> Content-Type: text/plain; charset="utf-8"
>>
>> Hi,
>>
>> There's an issue I've been facing since iOS 11. Sometimes when bluetooth is
>> enabled (it's showing blue icon in control center, and toggle is on in
>> Settings > Bluetooth) the centralManagerDidUpdateState(_:) method returns
>> ".poweredOff".
>> I thought I might be doing something wrong in code but I checked with
>> popular BLE apps like nrfConnect, Light Blue (Explorer), Pebble app and
>> they all were asking me to turn on the Bluetooth.
>>
>> However I was able to pair my headphones with iPhone and also connect to
>> the BLE device (I'm working on) using Settings > Bluetooth and tapping on
>> it.
>>
>> Anyone aware of the issue? Or these all apps including mine's are not
>> following the CoreBluetooth rules? Your feedback/help would be appreciated.
>>
>> I can also send screenshots and screen recording if anyone wants.
>>
>> Thanks,
>> Hadi
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>> End of Bluetooth-dev Digest, Vol 15, Issue 7
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