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Forum Update on Tuesday, May 27th 2025

Usage of specific QNetworkConfiguration on android

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  • J Offline
    J Offline
    JohnAmadis
    wrote on 28 Aug 2019, 18:17 last edited by
    #1

    Hi,

    I work on android application that needs to connect to a server in a WLAN. The problem is that this WLAN does not have internet access, so on some devices it is not set as default network configuration in QNetworkAccessManager::activeConfiguration()

    I found the required config in QNetworkConfigurationManager::allConfigurations() but I dont have an idea how can I force QTcpSocket to use this instead of the default one. I tried to do this for example in this way:
    (Sorry for the ugly code - it is just for test as I am currently looking for some solution)

    QNetworkConfigurationManager configurationsManager;
                auto configurations = configurationsManager.allConfigurations();
                for ( auto config : configurations )
                {
                    auto b = config.bearerType();
                    if ( b == QNetworkConfiguration::BearerWLAN )
                    {
                        auto networkSession = new QNetworkSession( currentConfiguration );
                        networkSession->open();
                        networkSession->waitForOpened();
                        QNetworkConfiguration config = networkSession->configuration();
                        QString id;
                        if (config.type() == QNetworkConfiguration::UserChoice)
                            id = networkSession->sessionProperty(QLatin1String("UserChoiceConfiguration")).toString();
                        else
                            id = config.identifier();
    
                        QSettings settings(QSettings::UserScope, QLatin1String("QtProject"));
                        settings.beginGroup(QLatin1String("QtNetwork"));
                        settings.setValue(QLatin1String("DefaultNetworkConfiguration"), id);
                        settings.endGroup();
                        break;
                    }
                }
    

    But it did not help at all... Do you know how can I change the active configuration or pass it to the QTcpSocket to force it to use this interface?

    Best Regards,
    Patryk

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    28 Aug 2019, 18:17

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