QAmbientLightReading Class
The QAmbientLightReading class represents one reading from the ambient light sensor. 更多...
| 头文件: | #include <QAmbientLightReading> |
| qmake: | QT += sensors |
| 开始支持版本: | Qt 5.1 |
| 基类: | QSensorReading |
公有类型
| enum | LightLevel { Undefined, Dark, Twilight, Light, Bright, Sunny } |
属性
- lightLevel : const LightLevel
- 1 个属性继承自 QSensorReading
- 1 个属性继承自 QObject
公有函数
| LightLevel | lightLevel() const |
| void | setLightLevel(LightLevel lightLevel) |
- 4 个公有函数继承自 QSensorReading
- 32 个公有函数继承自 QObject
其他继承的成员
- 1 个公有槽函数继承自 QObject
- 2 个信号继承自 QObject
- 1 个公有变量继承自 QObject
- 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 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.
成员类型
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). |
属性
lightLevel : const LightLevel
This property holds the ambient light level.
The value represents the ambient light and comes from QAmbientLightReading::LightLevel.
访问函数:
| LightLevel | lightLevel() const |
成员函数
void QAmbientLightReading::setLightLevel(LightLevel lightLevel)
Sets the ambient light level to lightLevel.
参见 lightLevel().