[SailfishDevel] Qt Network: "Network access is disabled" after network change

[Riku]

Thans for an answer! There is thread in TJC so if you can answer that thread it would be nice.

https://together.jolla.com/question/157865/apps-loose-connection-when-phone-switches-from-wifi-to-mobile-network/

Riku

Slava Monich kirjoitti sunnuntai 23. huhtikuuta 2017:
> Network status detection in Qt 5.6 is unreliable when the system is 
> switching between wifi and mobile data. That results in 
> QNetworkAccessManager sometimes thinking that network access is disabled 
> when in fact the device is online. At some point I attempted to fix it 
> (https://git.merproject.org/mer-core/qtbase/commit/8122f32a) however 
> that only eliminated one particular scenario of failure and reduced the 
> probability. But it's still happening. As I understood it's a random 
> thing (race condition) triggered by two connman services changing their 
> status more or less simultaneously.
> 
> Jolla's Weather app also uses XmlListModel and suffers from the same issue.
> 
> Nobody at Jolla is actively working on it at the moment, our resources 
> are limited these days. If somebody has an idea how to fix it, feel free 
> to submit a pull request against mer-5.6 branch 
> (https://git.merproject.org/mer-core/qtbase/commits/mer-5.6).
> 
> Best regards,
> -Slava
> 
> 
> > Hi,
> >
> > The same happens in my Rush hour app available in OpenRepos. My only connection to network is via QtQuick.XmlListModel 2.0. I am using Jolla C and the latest Iijoki 2.1.0.11
> >
> > https://github.com/Rikujolla/trafficviewer/issues/2
> >
> > Best regards, Riku
> >
> > Sebastian Wolf kirjoitti sunnuntai 23. huhtikuuta 2017:
> >> Hi colleagues,
> >>   
> >> some users of my application Piepmatz are reporting network issues when their
> >> device network connection changes from WiFi to Cellular and vice versa. I
> >> couldn't reproduce it so far with my FP2 on 2.0.5. As I'm only using standard Qt
> >> Network classes to access the internet and no own network detection and
> >> especially that not only my application is affected, it could possibly be
> >> something in 2.1 itself. For some details see GitHub issue
> >> https://github.com/Wunderfitz/harbour-piepmatz/issues/11
> >>   
> >> Didn't find anything with a quick search on together.jolla.com, so does somebody
> >> of you know something about such an issue?
> >>   
> >> Thanks for any hints and best regards, Sebastia
> 
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