QtPositioning error in Qt 5.3 RC on Android
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Hello!
I'm experimenting with Qt Positioning in Qt 5.3 RC on Android.
This is sample of my code, where I create sources of position and satellites:@QGeoPositionInfoSource *source = QGeoPositionInfoSource::createDefaultSource(this);
if (source) {
QStringList posSourcesList = QGeoPositionInfoSource::availableSources();
qDebug() << "Position sources count: " << posSourcesList.count();
foreach (const QString &src, posSourcesList) {
qDebug() << "pos source in list: " << src;
}source->startUpdates(); connect(source, SIGNAL(positionUpdated(QGeoPositionInfo)), this, SLOT(positionUpdated(QGeoPositionInfo))); } //---------------------------------------------------------------------------------- QGeoSatelliteInfoSource *satelliteSource = QGeoSatelliteInfoSource::createDefaultSource(this); if(satelliteSource) { QStringList sourcesList = QGeoSatelliteInfoSource::availableSources(); qDebug() << "Satellites sources count: " << sourcesList.count(); foreach (const QString &src, sourcesList) { qDebug() << "source in list: " << src; } satelliteSource->startUpdates(); connect(satelliteSource, SIGNAL(satellitesInViewUpdated(QList<QGeoSatelliteInfo>)), this, SLOT(satellitesInViewUpdated(QList<QGeoSatelliteInfo>))); }@
I get segmentation with the output:
@D/Qt (16403): ../test_GPS/gpshandler.cpp:14 (GPSHandler::GPSHandler(QObject*)): Position sources count: 1
D/Qt (16403): ../test_GPS/gpshandler.cpp:16 (GPSHandler::GPSHandler(QObject*)): pos source in list: "android"
D/QtPositioning(16403): Regular updates using GPS
D/QtPositioning(16403): Regular updates using network
D/Qt (16403): ../test_GPS/gpshandler.cpp:37 (GPSHandler::GPSHandler(QObject*)): Satellites sources count: 1
D/Qt (16403): ../test_GPS/gpshandler.cpp:39 (GPSHandler::GPSHandler(QObject*)): source in list: "android"
F/Qt (16403): jnipositioning.cpp:496 (void satelliteUpdated(JNIEnv*, jobject, jobjectArray, jint, jboolean)): satelliteUpdated: source == 0@Here is the backtrace:
@0 ?? /home/qtproj/build-test_GPS-Android_for_armeabi_v7a_GCC_4_8_Qt_5_3_0-Debug/libc.so 0x4010a8e8
1 abort /home/qtproj/build-test_GPS-Android_for_armeabi_v7a_GCC_4_8_Qt_5_3_0-Debug/libc.so 0x40108948
2 QMessageLogger::fatal(char const*, ...) const /opt/Qt-5.3.0_rc/5.3/android_armv7/lib/libQt5Core.so 0x75357ff6
3 satelliteUpdated(_JNIEnv*, _jobject*, _jobjectArray*, int, unsigned char) /opt/Qt-5.3.0_rc/5.3/android_armv7/plugins/position/libqtposition_android.so 0x751a8c08
4 ?? 0x40b3a910
5 ?? 0x40b3a910 @When I'm creating only QGeoPositionInfoSource or only QGeoSatelliteInfoSource, this error doesn't occur.
Any suggestions? -
Hi,
You may have found a bug. You should check the "bug report system":http://bugreports.qt-project.org to see if something known. If not, please consider opening a new report providing a minimal compilable example showing the problem.