QMagnetometer Class

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

头文件: #include <QMagnetometer>
qmake: QT += sensors
开始支持版本: Qt 5.1
基类: QSensor

属性

公有函数

QMagnetometer(QObject *parent = Q_NULLPTR)
virtual ~QMagnetometer()
QMagnetometerReading *reading() const
bool returnGeoValues() const
void setReturnGeoValues(bool returnGeoValues)
  • 37 个公有函数继承自 QSensor
  • 32 个公有函数继承自 QObject

信号

void returnGeoValuesChanged(bool returnGeoValues)

其他继承的成员

  • 2 个公有槽函数继承自 QSensor
  • 1 个公有槽函数继承自 QObject
  • 1 个公有变量继承自 QObject
  • 3 个静态公有成员继承自 QSensor
  • 10 个静态公有成员继承自 QObject
  • 9 个受保护的函数继承自 QObject
  • 2 个受保护的变量继承自 QObject

详细描述

The QMagnetometer class is a convenience wrapper around QSensor.

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

This class also features a reading() function that returns a QMagnetometerReading instead of a QSensorReading.

For details about how the sensor works, see QMagnetometerReading.

参见 QMagnetometerReading.

属性

returnGeoValues : bool

This property holds a value indicating if geomagnetic values should be returned.

Set to true to return geomagnetic flux density. Set to false (the default) to return raw magnetic flux density.

The property must be set before calling start().

访问函数:

bool returnGeoValues() const
void setReturnGeoValues(bool returnGeoValues)

Notifier signal:

void returnGeoValuesChanged(bool returnGeoValues)

成员函数

QMagnetometer::QMagnetometer(QObject *parent = Q_NULLPTR)

Construct the sensor as a child of parent.

[virtual] QMagnetometer::~QMagnetometer()

Destroy the sensor. Stops the sensor if it has not already been stopped.

QMagnetometerReading *QMagnetometer::reading() const

Returns the reading class for this sensor.

参见 QSensor::reading().