harmony 鸿蒙@ohos.enterprise.browser (Browser Management)

2025-06-12
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@ohos.enterprise.browser (Browser Management)

The browser module provides browser management, including setting, deleting, and obtaining browser policies.

NOTE

The initial APIs of this module are supported since API version 12. Newly added APIs will be marked with a superscript to indicate their earliest API version.

The APIs of this module can be used only in the stage model.

The APIs of this module can be called only by a device administrator application that is enabled.

Modules to Import

import { browser } from '@kit.MDMKit';

browser.setPolicySync

setPolicySync(admin: Want, appId: string, policyName: string, policyValue: string): void

Sets a policy for a specified browser.

Required permissions: ohos.permission.ENTERPRISE_SET_BROWSER_POLICY

System capability: SystemCapability.Customization.EnterpriseDeviceManager

Parameters

Name	Type	Mandatory	Description
admin	Want	Yes	EnterpriseAdminExtensionAbility.
appId	string	Yes	Application ID, which is used to specify the browser.
policyName	string	Yes	Name of the browser policy to set. If the value is an empty string, the browser policy corresponding to the application ID is set.
policyValue	string	Yes	Browser policy to set. If the value is an empty string, the policy corresponding to the policy name is removed.

Error codes

For details about the error codes, see Enterprise Device Management Error Codes and Universal Error Codes.

ID	Error Message
9200001	The application is not an administrator application of the device.
9200002	The administrator application does not have permission to manage the device.
201	Permission verification failed. The application does not have the permission required to call the API.
401	Parameter error. Possible causes: 1. Mandatory parameters are left unspecified; 2. Incorrect parameter types; 3. Parameter verification failed.

Example

import { Want } from '@kit.AbilityKit';
let wantTemp: Want = {
  bundleName: 'com.example.myapplication',
  abilityName: 'EntryAbility',
};

// Replace the value of appId with the specified application ID of the browser.
let appId: string = 'com.example.******_******/******5t5CoBM=';
let policyName: string = 'InsecurePrivateNetworkRequestsAllowed';
let policyValue: string = '{"level":"mandatory","scope":"machine","source":"platform","value":true}';

try {
  browser.setPolicySync(wantTemp, appId, policyName, policyValue);
  console.info('Succeeded in setting browser policies.');
} catch (err) {
  console.error(`Failed to set browser policies. Code is ${err.code}, message is ${err.message}`);
}

browser.getPoliciesSync

getPoliciesSync(admin: Want, appId: string): string

Obtains the policies of a browser through the specified device administrator application.

System capability: SystemCapability.Customization.EnterpriseDeviceManager

Parameters

Name	Type	Mandatory	Description
admin	Want	Yes	EnterpriseAdminExtensionAbility.
appId	string	Yes	Application ID, which is used to specify the browser.

Return value

Type	Description
string	Browser policies obtained.

Error codes

For details about the error codes, see Enterprise Device Management Error Codes and Universal Error Codes.

ID	Error Message
9200001	The application is not an administrator application of the device.
401	Parameter error. Possible causes: 1. Mandatory parameters are left unspecified; 2. Incorrect parameter types; 3. Parameter verification failed.

Example

import { Want } from '@kit.AbilityKit';
let wantTemp: Want = {
  bundleName: 'com.example.myapplication',
  abilityName: 'EntryAbility',
};

// Replace the value of appId with the specified application ID of the browser.
let appId: string = 'com.example.******_******/******5t5CoBM=';

try {
  let result: string = browser.getPoliciesSync(wantTemp, appId);
  console.info(`Succeeded in getting browser policies, result : ${JSON.stringify(result)}`);
} catch(err) {
  console.error(`Failed to get browser policies. Code is ${err.code}, message is ${err.message}`);
}

browser.setManagedBrowserPolicy¹⁵⁺

setManagedBrowserPolicy(admin: Want, bundleName: string, policyName: string, policyValue: string): void

Sets the browser hosting policy. After the setting is successful, the system common event BROWSER_POLICY_CHANGED_EVENT is released.

Required permissions: ohos.permission.ENTERPRISE_SET_BROWSER_POLICY

System capability: SystemCapability.Customization.EnterpriseDeviceManager

Parameters

Name	Type	Mandatory	Description
admin	Want	Yes	EnterpriseAdminExtensionAbility.
bundleName	string	Yes	Application bundle name, which is used to specify the browser.
policyName	string	Yes	Browser policy name.
policyValue	string	Yes	Browser policy value. If the value is an empty string, the policy corresponding to the policy name is removed.

Error codes

For details about the error codes, see Enterprise Device Management Error Codes and Universal Error Codes.

ID	Error Message
9200001	The application is not an administrator application of the device.
9200002	The administrator application does not have permission to manage the device.
201	Permission verification failed. The application does not have the permission required to call the API.
401	Parameter error. Possible causes: 1. Mandatory parameters are left unspecified; 2. Incorrect parameter types; 3. Parameter verification failed.

Example

import { Want } from '@kit.AbilityKit';
let wantTemp: Want = {
  bundleName: 'com.example.myapplication',
  abilityName: 'EntryAbility',
};
let bundleName: string = 'com.example.testbrowser';
let policyName: string = 'InsecurePrivateNetworkRequestsAllowed';
let policyValue: string = '{"level":"mandatory","scope":"machine","source":"platform","value":true}';

try {
  browser.setManagedBrowserPolicy(wantTemp, bundleName, policyName, policyValue);
  console.info('Succeeded in setting managed browser policy.');
} catch (err) {
  console.error(`Failed to set managed browser policy. Code is ${err.code}, message is ${err.message}`);
}

browser.getManagedBrowserPolicy¹⁵⁺

getManagedBrowserPolicy(admin: Want, bundleName: string): ArrayBuffer

Obtains the browser hosting policy.

System capability: SystemCapability.Customization.EnterpriseDeviceManager

Parameters

Name	Type	Mandatory	Description
admin	Want	Yes	EnterpriseAdminExtensionAbility.
bundleName	string	Yes	Application bundle name, which is used to specify the browser.

Return value

Type	Description
ArrayBuffer	Browser hosting policy.

Error codes

For details about the error codes, see Enterprise Device Management Error Codes and Universal Error Codes.

ID	Error Message
9200001	The application is not an administrator application of the device.
401	Parameter error. Possible causes: 1. Mandatory parameters are left unspecified; 2. Incorrect parameter types; 3. Parameter verification failed.

Example

import { Want } from '@kit.AbilityKit';
import { util } from '@kit.ArkTS';
let wantTemp: Want = {
  bundleName: 'com.example.myapplication',
  abilityName: 'EntryAbility',
};
let bundleName: string = 'com.example.testbrowser';

try {
  let buffer: ArrayBuffer = browser.getManagedBrowserPolicy(wantTemp, bundleName);
  let intBuffer: Uint8Array = new Uint8Array(buffer);
  let decoder: util.TextDecoder = util.TextDecoder.create('utf-8');
  let stringData: string = decoder.decodeWithStream(intBuffer);
  console.info(`Succeeded in getting managed browser policy, result : ${stringData}`);
} catch(err) {
  console.error(`Failed to get managed browser policy. Code is ${err.code}, message is ${err.message}`);
}

browser.getSelfManagedBrowserPolicyVersion¹⁵⁺

getSelfManagedBrowserPolicyVersion(): string

Obtains the browser hosting policy version.

System capability: SystemCapability.Customization.EnterpriseDeviceManager

Return value

Type	Description
string	Browser hosting policy version.

Example


try {
  let version: string = browser.getSelfManagedBrowserPolicyVersion();
  console.info(`Succeeded in getting self managed browser policy version, result : ${version}`);
} catch(err) {
  console.error(`Failed to get self managed browser policy version. Code is ${err.code}, message is ${err.message}`);
}

browser.getSelfManagedBrowserPolicy¹⁵⁺

getSelfManagedBrowserPolicy(): ArrayBuffer

Obtains the browser hosting policy.

System capability: SystemCapability.Customization.EnterpriseDeviceManager

Return value

Type	Description
ArrayBuffer	Browser hosting policy.

Example

import { Want } from '@kit.AbilityKit';
import { util } from '@kit.ArkTS';

try {
  let buffer: ArrayBuffer = browser.getSelfManagedBrowserPolicy();
  let intBuffer: Uint8Array = new Uint8Array(buffer);
  let decoder: util.TextDecoder = util.TextDecoder.create('utf-8');
  let stringData: string = decoder.decodeWithStream(intBuffer);
  console.info(`Succeeded in getting self managed browser policy, result : ${stringData}`);
} catch(err) {
  console.error(`Failed to get self managed browser policy. Code is ${err.code}, message is ${err.message}`);
}