V1D ramdomly closing on iPhone

Mad Hatter

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Let me start by saying that I do not think this is an issue with V1D, it is an IOS issue, and it also happens with Waze. Has anyone else had a problem with either of these apps ceasing to work while in the background? It occasionally happens on my 5S and X, both are running IOS 12, but it also happened with IOS 11. Yesterday I'm driving along and noticed my V1 wasn't muting to K-band when it should, and I needed to restart the app and it had to reconnect to the dongle. Today using Waze it stopped giving me directions and I had to reload the app. I started noticing this with Waze around the time they released IOS 11. It seems to only happen with apps which utilize the GPS and only while in the background. Spotify and Pandora never close while I'm streaming music in the car. I have the location service permissions for V1D set to ALWAYS and even tried enabling Background App Refresh, which didn't work. Anyone else experience this?
 

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I would suspect GPS accuracy issues.

Both apps depend on it.

V1Driver will stop muting if GPS accuracy is poor.

You can try bumping up the accuracy threshold in V1Driver.

Make sure everything is On in system settings for each app. And background processing is allowed.

You can save a recording on V1Driver and play it back to see how accurate V1Driver was when it failed to mute.

Wierd things can cause GPS accuracy to go south. From interference, noisy power.

I would look there first.
 

Mad Hatter

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Hmm, I'll try that, but like I said, it also happens with Waze. Maybe I have some sorta interference in my car, as you stated. I'll have to pay attention and see if it also happens when I'm in other vehicles. Thx..
 

danham

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Waze depends on GPS signal as well. I have a mountain biking navigation app on my iPhone 8 that freaks out when GPS reception gets weak, even sometimes corrupting data when I try to save my ride for future use.

There are lots of things that can degrade GPS reception, including how many satellites are overhead and how they are arranged in the sky (low on the horizon makes things a lot tougher for your receiver), trees, tall buildings, car roofs, and as mswlogo said, "dirty" 12v power and interference from other devices and car components.

There's nothing you can do about the satellites except wait, but you can move your phone around to see if the other factors are causing problems.

-dan
 

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I’ve noticed this a lot with V1Driver in the last month or two at least.
 

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I’ve noticed this a lot with V1Driver in the last month or two at least.
You can adjust how sensitive V1Driver is to GPS. It can still work with loser accuracy than say a Navigation App needs.

But often when GPS isn't doing well like say, above 100 ft it can easily fall off a cliff.

I had to give up on a cubby hole in my console, made for phones, because the GPS was just too iffy.

GPS strength can change seasonally too. More than just foliage I think too.

Generally it's not hard to get a good signal though. BTW a phone with data access tends to lock much quicker too. And in weak moments will get right back on track quickly.
 

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I have noticed in just the past month that I will be driving along and all of sudden I will hear, "V1 Driver" just like when it makes it's intial connection. I never ever had this happen until about a month ago and now it happens almost every time I drive. Weird. I haven't changed anything other than updating the app and updating iOS.
 

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I have noticed in just the past month that I will be driving along and all of sudden I will hear, "V1 Driver" just like when it makes it's intial connection. I never ever had this happen until about a month ago and now it happens almost every time I drive. Weird. I haven't changed anything other than updating the app and updating iOS.
THIS! HAPPENS A LOT!

I tried the GPS tolerances, it is not that. Basically, the way it works for me, in addition to the aforementioned problem, is I’ll be driving along and getting a lot of alerts that should be muted and I will open V1Driver and it says “V1Driver” out loud and starts working again.

So I am having both of those problems.
 

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THIS! HAPPENS A LOT!

I tried the GPS tolerances, it is not that. Basically, the way it works for me, in addition to the aforementioned problem, is I’ll be driving along and getting a lot of alerts that should be muted and I will open V1Driver and it says “V1Driver” out loud and starts working again.

So I am having both of those problems.
I have yet to notice mine not muting K band falses, but I do get the random "V1 Driver" at least once every drive.
 

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THIS! HAPPENS A LOT!

I tried the GPS tolerances, it is not that. Basically, the way it works for me, in addition to the aforementioned problem, is I’ll be driving along and getting a lot of alerts that should be muted and I will open V1Driver and it says “V1Driver” out loud and starts working again.

So I am having both of those problems.
That sounds like it wasn't running or crashed. Turn on logging under debug settings, and when it happens note the time as best you can and send the log and include the time it happened
-- Double Post Merged: --
I have yet to notice mine not muting K band falses, but I do get the random "V1 Driver" at least once every drive.
That can happen occasionally if you don't have good bluetooth connection strength.
What is the strength running at. How is phone setup relative to the dongle?

I released a new version to the App Store that fixes a GPS not always turning off bug. I doubt it will help with either of your issues. But it might.
 
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danham

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You can adjust how sensitive V1Driver is to GPS. It can still work with loser accuracy than say a Navigation App needs.

But often when GPS isn't doing well like say, above 100 ft it can easily fall off a cliff.

I had to give up on a cubby hole in my console, made for phones, because the GPS was just too iffy.

GPS strength can change seasonally too. More than just foliage I think too.

Generally it's not hard to get a good signal though. BTW a phone with data access tends to lock much quicker too. And in weak moments will get right back on track quickly.
One factor that is often ignored is the "shape" of the satellite constellation in the sky. This changes daily, not seasonally, but because most of the changes in sat position go unnoticed, it might appear to be seasonal if it causes errors coincidentally at a particular time of year. The problem is that sats low on the horizon are (obviously) more susceptible to interference from topography, buildings, or foliage. Plus if there are very few sats directly overhead, reliance on those marginal ones goes up.

A dedicated GPS such as my Garmin zumo can show you this graphically and numerically (Dilution of Precision for us GPS nerds) on its satellite reception screen. Smart phones do not have this ability.

-dan
 

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@danham your phone may not actually show you that info by default, and it relies on more than just satellites for location data (including cell towers and WiFi access points), but developers can query the state of location accuracy at any time. For example, V1Driver shows you that info, measured in feet.
 

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One factor that is often ignored is the "shape" of the satellite constellation in the sky. This changes daily, not seasonally, but because most of the changes in sat position go unnoticed, it might appear to be seasonal if it causes errors coincidentally at a particular time of year. The problem is that sats low on the horizon are (obviously) more susceptible to interference from topography, buildings, or foliage. Plus if there are very few sats directly overhead, reliance on those marginal ones goes up.

A dedicated GPS such as my Garmin zumo can show you this graphically and numerically (Dilution of Precision for us GPS nerds) on its satellite reception screen. Smart phones do not have this ability.

-dan
Actually now that I think about. GPS shouldn't have a seasonal shift (besides, as you mentioned, folliage and possibly weather). Oops ;) Sat's don't care about the relative orbit of the Sun.
 

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