QDistanceSensor Class

The QDistanceSensor class is a convenience wrapper around QSensor . 更多...

头: #include <QDistanceSensor>
qmake: QT += sensors
Since: Qt 5.4
继承: QSensor

公共函数

QDistanceSensor (QObject * parent = Q_NULLPTR)
~QDistanceSensor ()
QDistanceReading * reading () const

额外继承成员

详细描述

The QDistanceSensor class is a convenience wrapper around QSensor .

The only behavioral difference is that this class sets the type properly.

此类还特征 reading () 函数返回 QDistanceReading 而不是 QSensorReading .

有关传感器如何工作的细节,见 QDistanceReading .

另请参阅 QDistanceReading .

成员函数文档编制

QDistanceSensor:: QDistanceSensor ( QObject * parent = Q_NULLPTR)

构造传感器作为子级对于 parent .

QDistanceSensor:: ~QDistanceSensor ()

销毁传感器。停止传感器若尚未停止。

QDistanceReading *QDistanceSensor:: reading () const

返回用于此传感器的读取类。

另请参阅 QSensor::reading ().