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  1. Qt
  2. QTBUG-70651

crash/missing update of position after dialog "Improve location accuracy" appears

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    Details

    • Type: Bug
    • Status: Need More Info
    • Priority: P1: Critical
    • Resolution: Incomplete
    • Affects Version/s: 5.11.1
    • Fix Version/s: None
    • Component/s: Positioning
    • Labels:
      None
    • Environment:
      Tested on LGE LG G6 (lucye), Samsung Galaxy A3(2017)
      Android 8
    • Platform/s:
      Android

      Description

      On many smartphones the dialog "Improve location accuracy" always appears after activating the location (mostly after deleting the data/cache of the google services app). If this is the case then the QGeoPositionInfoSource does not update the new position and QGeoPositionInfoSource leads to a crash after quit().

      1. start app
      2. activate the location
      3. agree/deny to the dialog "Improve location accuracy"
      -> position is not updated
      4. quit the app via QGuiApplication::instance()->quit()
      -> App crashes dialog appears

      SPos::SPos(QObject *parent) : QObject(parent)
      {
      // Position
      m_pQGpis = QGeoPositionInfoSource::createDefaultSource(this);
      if (m_pQGpis)

      { m_pQGpis->setPreferredPositioningMethods(QGeoPositionInfoSource::AllPositioningMethods); m_pQGpis->setUpdateInterval(1000); m_pQGpis->startUpdates(); }

      // Satellite
      m_pQGsis = QGeoSatelliteInfoSource::createDefaultSource(this);
      if (m_pQGsis)

      { m_pQGsis->setUpdateInterval(1000); m_pQGsis->startUpdates(); }

      }

      // place somewhere in the code
      QGuiApplication::instance()->quit();

      // error
      W libapp.so: (null):0 ((null)): exit app 0
      F libapp.so: (null):0 ((null)): satelliteUpdated: source == 0
      F libc : Fatal signal 6 (SIGABRT), code -6 in tid 3670 (Thread-6)

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            Assignee:
            ablasche Alex Blasche
            Reporter:
            tiroler Armin Fuchs
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              Dates

              Created:
              Updated:
              Resolved:

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