QSensorBackendFactory Class
The QSensorBackendFactory class instantiates instances of QSensorBackend. 更多...
| 头文件: | #include <QSensorBackendFactory> |
| qmake: | QT += sensors |
公有函数
| virtual QSensorBackend * | createBackend(QSensor *sensor) = 0 |
详细描述
The QSensorBackendFactory class instantiates instances of QSensorBackend.
This interface must be implemented in order to register a sensor backend.
成员函数
[pure virtual] QSensorBackend *QSensorBackendFactory::createBackend(QSensor *sensor)
Instantiate a backend. If the factory handles multiple identifiers it should check with the sensor to see which one is requested.
If the factory cannot create a backend it should return 0.