TrekBuddy

boowoo · Joined: 12 Jun 2013 Posts: 486 Location: France

Hello,

until now, on my different previous phones i had no problem with time display on map screen or CMS (identic for GPS time or phone time)

Since i have Blackview BV6000 (nougat 7) the time display in Trekbuddy is one hour wrong (ex: 15h00 in place of 16h00)
My location phone settings are OK ...

I suppose problem come from this chinese phone itself (not sure)

Any idea to fix it ?
Thanks

Ranger · Joined: 12 Dec 2006 Posts: 6001

One hour less ?
Seems like difference between UTC and phone time zone ...

boowoo · Joined: 12 Jun 2013 Posts: 486 Location: France

Thanks Ranger,
yes, one hour less.
I think problem come from the new ROM phone. I just see that bug is related on Blackview forum ...
Waiting for Blackview BV6000 OTA update and i'll report the result ...

kruch · Site Admin Joined: 02 Jul 2006 Posts: 5654

Was it ok in winter? Could be related to Daylight Saving Time. What do you see in Info->Details->TimeZone?

boowoo · Joined: 12 Jun 2013 Posts: 486 Location: France

In time zone :
Europe/Paris ; true ; 3600000
I don't remember in winter because i used an other phone outdoor at this moment ...
I don't have this problem with my old xCover2 ...

kruch · Site Admin Joined: 02 Jul 2006 Posts: 5654

Seems correct... true = uses daylight savings, and 3600000 is 1h standard time offset to UTC. Should make +2 hours in total...

boowoo · Joined: 12 Jun 2013 Posts: 486 Location: France

Seems problem come from bug in update ROM of the phone ...
I'll investigate this way with Blackview team and report the result when solved !
Thanks Kruch

kruch · Site Admin Joined: 02 Jul 2006 Posts: 5654

Found it on BV forum Smile

In GPX tracklog, timestamp is in UTC, is it wrong by 1h?

boowoo · Joined: 12 Jun 2013 Posts: 486 Location: France

No, three hour less,
What it mean for you ? Phone ROM problem ?

kruch · Site Admin Joined: 02 Jul 2006 Posts: 5654

Sorry I meant 1 hour less than UTC. Correct GPS time now in Europe/Paris zone should be 2 hours less than wall/clock time (1hour zone offset + 1 hour daylight saving).

I guess TB could use timestamp from raw NMEA where it is should correct. There is already similar workaround that overrides fix info provided by Android with raw info from NMEA. Can you make show NMEA log to check what is in it?

boowoo · Joined: 12 Jun 2013 Posts: 486 Location: France

I have weird behavior ...
I'm not able to log a valid nmea file ; TB record and create nmea file but file is 0 oct (emty) so i can't check it. Confused

I have to tell you also that GPS time is wrong also with other GPS apps like GPS status and GPS test plus ... It's not a specific problem with TB !

boowoo · Joined: 12 Jun 2013 Posts: 486 Location: France

Blackview team confirm now that problem "GPS time wrong" come from their last nougat version : they 'll try to fix it later (i can wait ... and see ...)

But i don't know why i'm not able to record nmea track ...? On my phone, in engineer mode i can see on built in test that nmea is shown and active !

kruch · Site Admin Joined: 02 Jul 2006 Posts: 5654

Access to raw NMEA is optional in Android. Apps can see all, only some or no NMEA sentences. You seem to have bad luck with BV phone.

boowoo · Joined: 12 Jun 2013 Posts: 486 Location: France

Blackview Bv6000 is good phone ... on paper !
In reality, it make you better for using screwdriver or flashing various ROM ... Wink