harmony 鸿蒙ExtensionRunningInfo

2022-12-22
浏览 (600)

ExtensionRunningInfo

The ExtensionRunningInfo module encapsulates ExtensionAbility running information, which can be obtained through getExtensionRunningInfos.

NOTE

The initial APIs of this module are supported since API version 9. Newly added APIs will be marked with a superscript to indicate their earliest API version.

This module is marked as @systemapi and not visible to third-party applications.

Modules to Import

import abilityManager from '@ohos.app.ability.abilityManager';

Usage

Import the abilityManager module and obtain the ExtensionAbility running information by calling the method in the abilityManager module.

Attributes

System capability: SystemCapability.Ability.AbilityRuntime.Core

System API: The following APIs are system APIs and cannot be called by third-party applications.

Name	Type	Readable	Writable	Description
extension	ElementName	Yes	No	ExtensionAbility information.
pid	number	Yes	No	Process ID.
uid	number	Yes	No	UID of the application.
processName	string	Yes	No	Process name.
startTime	number	Yes	No	Timestamp when the ExtensionAbility is started.
clientPackage	Array<String>	Yes	No	Names of all packages in the process.
type	ExtensionAbilityType	Yes	No	ExtensionAbility type.

Example

import abilityManager from '@ohos.app.ability.abilityManager';

let upperLimit = 1;
function getExtensionInfos() {
    abilityManager.getExtensionRunningInfos(upperLimit, (error, data) => {
        if (error) {
            console.error(`getForegroundApplications failed, error.code: ${JSON.stringify(error.code)}, error.message: ${JSON.stringify(error.message)}`);
            return;
        }

        for (let i = 0; i < data.length; i++) {
            let extensionRunningInfo = data[i];
            console.log(`extensionRunningInfo.extension: ${JSON.stringify(extensionRunningInfo.extension)}`);
            console.log(`extensionRunningInfo.pid: ${JSON.stringify(extensionRunningInfo.pid)}`);
            console.log(`extensionRunningInfo.uid: ${JSON.stringify(extensionRunningInfo.uid)}`);
            console.log(`extensionRunningInfo.processName: ${JSON.stringify(extensionRunningInfo.processName)}`);
            console.log(`extensionRunningInfo.startTime: ${JSON.stringify(extensionRunningInfo.startTime)}`);
            console.log(`extensionRunningInfo.clientPackage: ${JSON.stringify(extensionRunningInfo.clientPackage)}`);
            console.log(`extensionRunningInfo.type: ${JSON.stringify(extensionRunningInfo.type)}`);
        }
    });
}