QAmbientLightReading Class

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

頭: #include <QAmbientLightReading>
qmake: QT += sensors
Since: Qt 5.1
繼承: QSensorReading

公共類型

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

特性

公共函數

LightLevel lightLevel () const
void setLightLevel (LightLevel lightLevel )

額外繼承成員

詳細描述

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 枚舉。

成員類型文檔編製

enum QAmbientLightReading:: LightLevel

This enum represents the ambient light level.

常量 描述
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).

特性文檔編製

lightLevel : const LightLevel

This property holds the ambient light level.

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

訪問函數:

LightLevel lightLevel () const

另請參閱 QAmbientLightReading Units .

成員函數文檔編製

void QAmbientLightReading:: setLightLevel ( LightLevel lightLevel )

Sets the ambient light level to lightLevel .

另請參閱 lightLevel ().