QGeoPositionInfoSourceFactory Class
The QGeoPositionInfoSourceFactory class is a factory class used as the plugin interface for external providers of positioning data. 更多...
| 头文件: | #include <QGeoPositionInfoSourceFactory> |
| qmake: | QT += positioning |
| 开始支持版本: | Qt 5.2 |
公有函数
| virtual | ~QGeoPositionInfoSourceFactory() |
| virtual QGeoAreaMonitorSource * | areaMonitor(QObject *parent) = 0 |
| virtual QGeoPositionInfoSource * | positionInfoSource(QObject *parent) = 0 |
| virtual QGeoSatelliteInfoSource * | satelliteInfoSource(QObject *parent) = 0 |
详细描述
The QGeoPositionInfoSourceFactory class is a factory class used as the plugin interface for external providers of positioning data.
The other functions must be overridden by all plugins, other than sourcePriority() which defaults to returning 0. Higher values of priority will be preferred to lower ones.
成员函数
[virtual] QGeoPositionInfoSourceFactory::~QGeoPositionInfoSourceFactory()
Destroys the position info source factory.
[pure virtual] QGeoAreaMonitorSource *QGeoPositionInfoSourceFactory::areaMonitor(QObject *parent)
Returns a new QGeoAreaMonitorSource associated with this plugin with parent parent. Can also return 0, in which case the plugin loader will use the factory with the next highest priority.
[pure virtual] QGeoPositionInfoSource *QGeoPositionInfoSourceFactory::positionInfoSource(QObject *parent)
Returns a new QGeoPositionInfoSource associated with this plugin with parent parent. Can also return 0, in which case the plugin loader will use the factory with the next highest priority.
[pure virtual] QGeoSatelliteInfoSource *QGeoPositionInfoSourceFactory::satelliteInfoSource(QObject *parent)
Returns a new QGeoSatelliteInfoSource associated with this plugin with parent parent. Can also return 0, in which case the plugin loader will use the factory with the next highest priority.