The QGeoPositionInfoSourceFactory class is a factory class used as the plugin interface for external providers of positioning data. 更多...
| 头： | #include <QGeoPositionInfoSourceFactory> |
| qmake: | QT += positioning |
| Since: | Qt 5.2 |
| 继承者： |
该类在 Qt 5.2 引入。
| virtual | ~QGeoPositionInfoSourceFactory () |
| virtual QGeoAreaMonitorSource * | areaMonitor (QObject * parent ) = 0 |
| virtual QGeoPositionInfoSource * | positionInfoSource (QObject * parent ) = 0 |
| virtual QGeoSatelliteInfoSource * | satelliteInfoSource (QObject * parent ) = 0 |
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.
[虚拟]
QGeoPositionInfoSourceFactory::
~QGeoPositionInfoSourceFactory
()
Destroys the position info source factory.
[pure virtual]
QGeoAreaMonitorSource
*QGeoPositionInfoSourceFactory::
areaMonitor
(
QObject
*
parent
)
返回新的 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
)
返回新的 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
)
返回新的 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.