Interface (ManualIso)

ManualIso inherits from ManualIsoQuery.

Describes a manual ISO object.

NOTE

The initial APIs of this module are supported since API version 10. Newly added APIs will be marked with a superscript to indicate their earliest API version.

The initial APIs of this interface are supported since API version 24.

Modules to Import

import { camera } from '@kit.CameraKit';

getIso²⁴⁺

getIso(): number

Obtains the ISO value.

Atomic service API: This API can be used in atomic services since API version 24.

System capability: SystemCapability.Multimedia.Camera.Core

Returns

Type	Description
number	ISO value.

Error Codes

For details about the error codes, see Camera Error Codes.

Error Code	Error Message
7400102	Operation not allowed, the inputDevice or the session is abnormal.
7400103	Session not config.

Example

import { BusinessError } from '@kit.BasicServicesKit';

function getIso(photoSession: camera.PhotoSession): number {
  let iso: number = 0;
  try {
    iso = photoSession.getIso();
  } catch (error) {
    // If the operation fails, error.code is returned and processed.
    let err = error as BusinessError;
    console.error(`The getIso call failed. error code: ${err.code}`);
  }
  return iso;
}

setIso²⁴⁺

setIso(iso: number): void

Sets the ISO sensitivity or ISO speed. The setting is supported only when ExposureMode is set to EXPOSURE_MODE_LOCKED. The value must be within the range specified by getSupportedIsoRange.

Atomic service API: This API can be used in atomic services since API version 24.

System capability: SystemCapability.Multimedia.Camera.Core

Parameters

Parameter	Type	Mandatory	Description
iso	number	Yes	ISO sensitivity or ISO speed.

Error Codes

For details about the error codes, see Camera Error Codes.

Error Code	Error Message
7400102	Operation not allowed, the inputDevice or the session is abnormal.
7400103	Session not config.

Example

import { BusinessError } from '@kit.BasicServicesKit';

function setIso(photoSession: camera.PhotoSession, iso: number): void {
  try {
    photoSession.setIso(iso);
  } catch (error) {
    // If the operation fails, error.code is returned and processed.
    let err = error as BusinessError;
    console.error(`The setIso call failed. error code: ${err.code}`);
  }
}