內容

• 公共類型
• 特性
• 公共函數
• 重實現公共函數
• 靜態公共成員
• 詳細描述
• QAmbientLightReading Units

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

• 所有成員列錶，包括繼承成員
• 過時成員

公共類型

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

特性

• lightLevel : const LightLevel

• 1 特性繼承自 QSensorReading
• 1 特性繼承自 QObject

公共函數

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

重實現公共函數

virtual void

copyValuesFrom (QSensorReading * other ) override

• 4 公共函數繼承自 QSensorReading
• 31 公共函數繼承自 QObject

靜態公共成員

const QMetaObject

staticMetaObject

• 9 靜態公共成員繼承自 QObject

額外繼承成員

• 1 公共槽繼承自 QObject
• 2 信號繼承自 QObject
• 9 保護函數繼承自 QObject

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	值	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：

QAmbientLightReading::LightLevel

lightLevel () const

另請參閱 QAmbientLightReading Units .

成員函數文檔編製

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

Default constructs an instance of QAmbientLightReading.

[虛擬] 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 .

另請參閱 lightLevel ().