Xdrip: Android 9.0 xDrip+ won't connect

[opalex84]

Accidentally my phone updated to Android Pie 9.0 on Oneplus 6 phone. Since then disconnecting, uninstalling app, resetting phone, resetting blucon won't help app to connect. it finds blucon, but 'connection status' is not connected and it doesn't show any values. replaced even libre sensor, still same problem. any ideas? downgrading OS impossible.

[BenoMeno]

You have to turn off "Trust Auto-connect" option in the settings. This worked for me.

[opalex84]

Seems to connect. Will keep you updated! Thanks

[gitanO0]

less common settings -> bluetooth settings

[opalex84]

ok, so tried all day and it is having some connections issues. first half day was pretty bad, disconnecting every 20 mins and the i had to reboot my phone, restart blucon and etc to connect again. played with BT settings on xdrip and now it connects for max 30 mins and the disconnects for 30 mins or so.
my phone is always next to me, BT always on, acn see anything wrong in hardware. any ideas how i could improve it? many thanks

[BenoMeno]

Hm weird because my Oneplus 6 with 9.0 works stable but I'm using Miaomiao. Maybe try to reset every connection again and reconnect with the said option disabled and try to refresh xDrip.

[opalex84]

that's a thing, my blucon never worked fine, but since OS 9.0 it is really bad. Just sad to spend nearly $300 and now buying miaomaio.

[tudor1980]

In my experience, the blucon only works reliably if you 3D print a holder as it is very sensitive to displacement. If you print this: https://www.thingiverse.com/thing:2832363 but make the base ring out of hard PETG and the upper claws out of TPC FLEX 45 | Shore D-Hardness: 45 then you can print the two bits as one piece. It clips on nicely and holds the blucon firmly with flexible arms. Since using this I have never lost a signal. Prior to that it was always a bit hit and miss

[opalex84]

I'm wearing a guardian thing with rubber around hand from ebay, so it's
pretty tight on my hand...

On Thu., 4 Oct. 2018, 11:34 pm tudor1980, [e-mail] wrote:

In my experience, the blucon only works reliably if you 3D print a holder
as it is very sensitive to displacement. If you print this:
https://www.thingiverse.com/thing:2832363 but make the base ring out of
hard PETG and the upper claws out of TPC FLEX 45 | Shore D-Hardness: 45
then you can print the two bits as one piece. It clips on nicely and holds
the blucon firmly with flexible arms. Since using this I have never lost a
signal. Prior to that it was always a bit hit and miss

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[gregorybel]

Blucon is working quiet good for me. you need to set the right settings for your phone. under BT settings there are 2 important settings: trust Auto Connect and use scanning. 2 options, 4 possibilities. try all.

otherwise look here: https://github.com/gregorybel/xDrip-plus_old/wiki/How-to-use-Blukon-with-xdrip

a bit old but could help too. I plan an update for really soon.

[opalex84]

Did all these tricks actually, but blucon never worked all day without
restarting it, and usually it sends a signal to xdrip only every 10 mins
instead of 5. I believe it's OS fault, just don't know how to fix it

On Tue., 9 Oct. 2018, 3:29 am Grégory Beloncle, [e-mail]
wrote:

Blucon is working quiet good for me. you need to set the right settings
for your phone. under BT settings there are 2 important settings: trust
Auto Connect and use scanning. 2 options, 4 possibilities. try all.

otherwise look here:
https://github.com/gregorybel/xDrip-plus_old/wiki/How-to-use-Blukon-with-xdrip

a bit old but could help too. I plan an update for really soon.

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[gregorybel]

then yes, might be a phone issue. you could try original app from ambrosia and look if better.

otherwise just discovered after looking at code that "close GATT on ble disconnect" should be better enabled now, in the past it was not a good Idea.

[kretep]

The upgrade to Android 9 also gave me headaches. It now seems that part of the problem was my fitbit. I had it set to keep the bluetooth connection alive, but apparently this prevented the blucon to connect. Now that I turned off that option, the blucon is working ok-ish. Only now my fitbit doesn't sync properly :(

[jlecount-qadium]

I struggled with this yesterday when my phone upgraded to Android Pie -- every 15 minutes or so I would lose bluetooth. Toggling it and restarting xDrip seemed to often fix it, but that wasn't a great solution obviously.

I found however that turning OFF the OB1 Collector (Settings -> G5/G6 Debug Settings -> Use The OB1 Collector (uncheck) has given me stable behavior -- unsure how or why this is effective, but so far, i have steady signal now. Can anybody provide insight?

If you're plagued by transmitter disconnects, try it!

[renegadeandy]

I just had this same problem for today after an Android 9 upgrade caused me to disconnect all day.

I fixed by doing:

xDrip+ -> Settings -> Less common settings -> Bluetooth settings -> Disable Trust Android Auto Connect -- Perhaps xDrip+ should query the android version and set this to disabled if it detects android 9.x?