Brightness
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);