The QCompass class is a convenience wrapper around QSensor . 更多...
| 頭: | #include <QCompass> |
| qmake: | QT += sensors |
| Since: | Qt 5.1 |
| 繼承: | QSensor |
| QCompass (QObject * parent = Q_NULLPTR) | |
| virtual | ~QCompass () |
| QCompassReading * | reading () const |
The QCompass class is a convenience wrapper around QSensor .
唯一行為差異是此類正確設置類型。
此類還特徵 reading () 函數返迴 QCompassReading 而不是 QSensorReading .
有關傳感器如何工作的細節,見 QCompassReading .
另請參閱 QCompassReading .
構造傳感器作為子級對於 parent .
[虛擬]
QCompass::
~QCompass
()
銷毀傳感器。停止傳感器若尚未停止。
返迴用於此傳感器的讀取類。
另請參閱 QSensor::reading ().