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  1. #1
    Registered User
    Join Date
    Jan 2010
    Posts
    32

    Question problem when get location by GPS indoor

    Hi all,

    I am working in a GPS-based application, using Qt 4.6.3 (Nokia Qt SDK 1.0.2) and QMobility 1.0

    the application is working outdoor, but when running the application indoor it is failed to locate by GPS. Altho the OVI Maps application is working and got the location, after that if i open my application again, it will work.

    I used the below codes to get the location:

    Code:
    QGeoPositionInfoSource m_source = QGeoPositionInfoSource::createDefaultSource(this);
    m_source->setPreferredPositioningMethods(QGeoPositionInfoSource::AllPositioningMethods);
    m_source->setUpdateInterval(60 * 1000); // update every one minute
    
    connect(m_source, SIGNAL(positionUpdated(QGeoPositionInfo)), SLOT(onPositionUpdated(QGeoPositionInfo)));
    connect(m_source, SIGNAL(updateTimeout()), SLOT(onUpdateTimeout()));
    ....
    m_source->startUpdates();
    m_source->requestUpdate();
    The signal updateTimeout() is emitted when i try to run the application indoor
    How can i make GPS work indoor like OVI Maps.

    Thanks a lot.

  2. #2
    Registered User
    Join Date
    Jan 2010
    Posts
    32

    Re: problem when get location by GPS indoor

    Hi all;

    i found a solution for this problem

    first i set preferred position method to be "QGeoPositionInfoSource::SatelliteMethod" and if recive failling signal the i set prefarred method to be NonsatelliteMethod and call requestUpdate again.

    Thanks a lot.

  3. #3
    Registered User
    Join Date
    Apr 2009
    Posts
    506

    Re: problem when get location by GPS indoor

    I would reccomend you to use QGeoPositionInfoSource::AllPositioningMethods
    Symbian & Qt developer. http://vladest.org

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