Table 1 Description of light sensor and proximity sensor
From: Identifying typical physical activity on smartphone with varying positions and orientations
Sensor | Type | Description | Common uses |
|---|---|---|---|
LIGHT | Hardware | Measures the ambient light level (illumination) in lux. | Controlling screen brightness. |
PROXIMITY | Hardware | Measures the proximity of an object in cm relative to the view screen of a device. This sensor is used to determine whether a handset is being held up to a person’s ear. | Phone position during a call. |