Brightness

icon-note.gif NOTE
The initial APIs of this module are supported since API version 7. Newly added APIs will be marked with a superscript to indicate their earliest API version.

The Brightness module provides an API for setting the screen brightness.

Modules to Import

import brightness from '@ohos.brightness';

brightness.setValue

setValue(value: number): void

Sets the screen brightness.

This is a system API and cannot be called by third-party applications.

System capability: SystemCapability.PowerManager.DisplayPowerManager

Parameters

Name Type Mandatory Description
value number Yes Brightness value, ranging from 0 to 255.

Example

brightness.setValue(128);