harmony 鸿蒙AbilityRunningInfo

2022-12-22
浏览 (587)

AbilityRunningInfo

The AbilityRunningInfo module defines the running information and state of an ability.

NOTE

The initial APIs of this module are supported since API version 8. Newly added APIs will be marked with a superscript to indicate their earliest API version.

Modules to Import

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

Usage

The ability running information is obtained by calling getAbilityRunningInfos in abilityManager.

Attributes

System capability: SystemCapability.Ability.AbilityRuntime.Core

System API: This is a system API and cannot be called by third-party applications.

Name	Type	Readable	Writable	Description
ability	ElementName	Yes	No	Information that matches an ability.
pid	number	Yes	No	Process ID.
uid	number	Yes	No	User ID.
processName	string	Yes	No	Process name.
startTime	number	Yes	No	Ability start time.
abilityState	abilityManager.AbilityState	Yes	No	Ability state.

Example

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

abilitymanager.getAbilityRunningInfos((error, data) => { 
    if (error) {
        console.error(`getAbilityRunningInfos fail, error: ${JSON.stringify(error)}`);
    } else {
        console.log(`getAbilityRunningInfos success, data: ${JSON.stringify(data)}`);
        for (let i = 0; i < data.length; i++) {
            let abilityinfo = data[i];
            console.log(`abilityinfo.ability: ${JSON.stringify(abilityinfo.ability)}`);
            console.log(`abilityinfo.pid: ${JSON.stringify(abilityinfo.pid)}`);
            console.log(`abilityinfo.uid: ${JSON.stringify(abilityinfo.uid)}`);
            console.log(`abilityinfo.processName: ${JSON.stringify(abilityinfo.processName)}`);
            console.log(`abilityinfo.startTime: ${JSON.stringify(abilityinfo.startTime)}`);
            console.log(`abilityinfo.abilityState: ${JSON.stringify(abilityinfo.abilityState)}`);
        }
    }
});