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QAmbientLightReading Class

The QAmbientLightReading class represents one reading from the ambient light sensor. More...

Header: #include <QAmbientLightReading>
qmake: QT += sensors
Since: Qt 5.1
Inherits: QSensorReading

Public Types

enum LightLevel { Undefined, Dark, Twilight, Light, Bright, Sunny }


Public Functions

QAmbientLightReading(QObject *parent = DECLARE_READING(QAmbientLightReading))
virtual ~QAmbientLightReading()
QAmbientLightReading::LightLevel lightLevel() const
void setLightLevel(QAmbientLightReading::LightLevel lightLevel)

Reimplemented Public Functions

virtual void copyValuesFrom(QSensorReading *other) override

Additional Inherited Members

  • 1 public slot inherited from QObject
  • 2 signals inherited from QObject
  • 1 public variable inherited from QObject
  • 10 static public members inherited from QObject
  • 9 protected functions inherited from QObject
  • 2 protected variables inherited from QObject

Detailed Description

The QAmbientLightReading class represents one reading from the ambient light sensor.

QAmbientLightReading Units

The ambient light sensor returns the intensity of the ambient light using the pre-defined values found in the QAmbientLightReading::LightLevel enum.

Member Type Documentation

enum QAmbientLightReading::LightLevel

This enum represents the ambient light level.

Constant Value Description
QAmbientLightReading::Undefined 0 The light level is unknown.
QAmbientLightReading::Dark 1 It is dark.
QAmbientLightReading::Twilight 2 It is moderately dark.
QAmbientLightReading::Light 3 It is light (eg. internal lights).
QAmbientLightReading::Bright 4 It is bright (eg. shade).
QAmbientLightReading::Sunny 5 It is very bright (eg. direct sunlight).

Property Documentation

lightLevel : const LightLevel

This property holds the ambient light level.

The value represents the ambient light and comes from QAmbientLightReading::LightLevel.

Access functions:

QAmbientLightReading::LightLevel lightLevel() const

See also QAmbientLightReading Units.

Member Function Documentation

QAmbientLightReading::QAmbientLightReading(QObject *parent = DECLARE_READING(QAmbientLightReading))

Default constructs an instance of QAmbientLightReading.

[virtual] QAmbientLightReading::~QAmbientLightReading()

Destroys the instance of QAmbientLightReading. The destructor is virtual.

[override virtual] void QAmbientLightReading::copyValuesFrom(QSensorReading *other)

void QAmbientLightReading::setLightLevel(QAmbientLightReading::LightLevel lightLevel)

Sets the ambient light level to lightLevel.

See also lightLevel().

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