Updating an Asset (ArkTS)

Available APIs

For details about the API, see:

update(query: AssetMap, attributesToUpdate: AssetMap): Promise<void>

Attributes in query:

Attributes in attributesToUpdate:

Example

Update asset demo_alias as follows: change the asset plaintext to demo_pwd_new and additional attribute to demo_label_new.

import { asset } from '@kit.AssetStoreKit';
import { util } from '@kit.ArkTS';
import { BusinessError } from '@kit.BasicServicesKit';

function stringToArray(str: string): Uint8Array {
  let textEncoder = new util.TextEncoder();
  return textEncoder.encodeInto(str);
}

let query: asset.AssetMap = new Map();
query.set(asset.Tag.ALIAS, stringToArray('demo_alias'));
let attrsToUpdate: asset.AssetMap = new Map();
attrsToUpdate.set(asset.Tag.SECRET, stringToArray('demo_pwd_new'));
attrsToUpdate.set(asset.Tag.DATA_LABEL_NORMAL_1, stringToArray('demo_label_new'));
try {
  asset.update(query, attrsToUpdate).then(() => {
    console.info(`Asset updated successfully.`);
  }).catch((err: BusinessError) => {
    console.error(`Failed to update Asset. Code is ${err.code}, message is ${err.message}`);
  });
} catch (error) {
  let err = error as BusinessError;
  console.error(`Failed to update Asset. Code is ${err.code}, message is ${err.message}`);
}

Constraints

N/A.