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Background App Refresh unavailable & no alerts
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Onedrew
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Joined: Mar 24, 2006
Posts: 60
Location: St Albans, Herts

PostPosted: Thu Jun 14, 2018 10:52 am    Post subject: Reply with quote

Don't know about Car Play, but we are just buying a new Ford with latest version of Sync 3 and hoping to make Waze work on that. Will report back once we have tried it.
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steveJ
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Joined: Apr 21, 2005
Posts: 83
Location: Tring, Hertfordshire, UK

PostPosted: Mon Jun 18, 2018 10:41 pm    Post subject: Reply with quote

Before I start with this post Iíd like to say this is only my take on it.
Here goes...
Iím not sure that having Background App Refresh (BAR) with CamerAlert would have any great benefit.
BAR letís apps that are running in the background fetch up to date information, however CamerAlert is a database held on the users device that the users update manually, usually weekly.

It would seem that the only thing that CamerAlert needs to know whilst running in the background is Ďlocationí, which you can set to Ďalwaysí in Location Services. Your approximate location is determined using available information from cellular network data, local Wi-fi networks (if Wi-fi is on), and gps (if available).

As I understand it, there are apps that would, and do, benefit from BAR, such as Twitter of Facebook, where a constant update would be beneficial, but this wouldnít appear to be of benefit to CamerAlert.

Maybe Iím wrong about this, but if anyone else has a better theory then please share it.

Steve
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Onedrew
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Joined: Mar 24, 2006
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Location: St Albans, Herts

PostPosted: Tue Jun 19, 2018 8:29 am    Post subject: Reply with quote

Thanks, Steve. It may well be coincidence that my problems with CamerAlert running in background have started since it disappeared from the BAR list. I only feel safe now running a Garmin with the database installed to let me know when it has dropped out. It would be interesting to see if the problem went away by restoring BAR for CA.
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PaulB2005
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Joined: Jan 04, 2006
Posts: 9315
Location: Durham, UK

PostPosted: Tue Jun 19, 2018 9:06 am    Post subject: Reply with quote

Steve - I'm afraid you are wrong. Background refresh has nothing to do with updating the app.

Background refresh allows apps in the background to run as if they are in the foreground.

For example run the TomTom app in the foreground on an iPhone. When a phone call comes through (or you bring another app to the foreground) with background refresh off you don't get any more instructions until TomTom is the visible app again. With background refresh on it continues to pop up notifications with your next turn etc.

As Onedrew states when background refresh was lost this problem started. In fact when CA was first released there was an issue that UNTIL background refresh was enabled the app wouldn't work in the background.
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Onedrew
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Joined: Mar 24, 2006
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Location: St Albans, Herts

PostPosted: Tue Jun 19, 2018 9:11 am    Post subject: Reply with quote

Paul
Are you certain about this? If so, it explains everything.
I have emailed Darren who has passed it on, but so far no news. It is disappointing that there's no response: just a 'We're looking at it' would be enough.
Andrew
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steveJ
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Joined: Apr 21, 2005
Posts: 83
Location: Tring, Hertfordshire, UK

PostPosted: Tue Jun 19, 2018 10:43 am    Post subject: Reply with quote

Paul, thanks for the reply. As I said, it was only my take on it, and as Iím not in any way an Apple app programmer, more of a theory!

If what you are saying re. an app running in the foreground stopping CamerAlert from giving notifications without Background refresh, then is there a plausible explanation as to why would this only happens occasionally and not all the time, and, as I always run Google maps in the foreground why have I not experienced this problem at all?

Steve
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PaulB2005
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Joined: Jan 04, 2006
Posts: 9315
Location: Durham, UK

PostPosted: Tue Jun 19, 2018 6:45 pm    Post subject: Reply with quote

Onedrew wrote:
Paul
Are you certain about this? If so, it explains everything.
I have emailed Darren who has passed it on, but so far no news. It is disappointing that there's no response: just a 'We're looking at it' would be enough.
Andrew


Yes. Well at least i was sure, but now not so. Confused

Just had a read through older threads in this forum and came across https://www.pocketgpsworld.com/modules.php?name=Forums&file=viewtopic&t=94509

The purpose of Background Refresh is to allow an app to continue running in the background. Try it yourself but using a sat nav app with an without BR.

I know TomTom app needs BAR on to function in the background as i found out in error one day.... Pretty sure CA does too....
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Onedrew
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Joined: Mar 24, 2006
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Location: St Albans, Herts

PostPosted: Tue Jun 19, 2018 8:58 pm    Post subject: Reply with quote

It certainly used to be in the BAR list. There must have been a reason.
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