harmony 鸿蒙@ohos.stationary (Device Status Awareness Framework)

  • 2025-06-12
  • 浏览 (4)

@ohos.stationary (Device Status Awareness Framework)

The stationary module provides APIs to report the device status, including absolute still and relative still.

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 does not support x86 emulators.

Modules to Import

import { stationary } from '@kit.MultimodalAwarenessKit';

ActivityResponse

Defines the response interface to receive the device status.

System capability: SystemCapability.Msdp.DeviceStatus.Stationary

Name Type Readable Writable Description
state ActivityState Yes No New device status.

ActivityType

type ActivityType = ‘still’|‘relativeStill’

Enumerates the device status types.

System capability: SystemCapability.Msdp.DeviceStatus.Stationary

Type Description
‘still’ Absolutely still.
‘relativeStill’ Relatively still.

ActivityEvent

Enumerates the device status events.

System capability: SystemCapability.Msdp.DeviceStatus.Stationary

Name Value Description
ENTER 1 Event indicating entering device status.
EXIT 2 Event indicating exiting device status.
ENTER_EXIT 3 Event indicating entering and exiting device status.

ActivityState

Enumerates the device statuses.

System capability: SystemCapability.Msdp.DeviceStatus.Stationary

Name Value Description
ENTER 1 Event indicating entering device status.
EXIT 2 Event indicating exiting device status.

stationary.on(‘still’|‘relativeStill’)

on(activity: ActivityType, event: ActivityEvent, reportLatencyNs: number, callback: Callback<ActivityResponse>): void

Subscribes to the device status.

System capability: SystemCapability.Msdp.DeviceStatus.Stationary

Parameters

Name Type Mandatory Description
activity ActivityType Yes Device status type.
event ActivityEvent Yes Event type.
reportLatencyNs number Yes Report delay, in ns. The value ranges from 1000000000 to 3000000000.
callback Callback<ActivityResponse> Yes Callback used to receive reported data.

Example

let reportLatencyNs = 1000000000;
stationary.on('still', stationary.ActivityEvent.ENTER, reportLatencyNs, (data) => {
    console.log('data='+ JSON.stringify(data));
})

stationary.once(‘still’|‘relativeStill’)

once(activity: ActivityType, callback: Callback&lt;ActivityResponse&gt;): void

Obtains the device status.

System capability: SystemCapability.Msdp.DeviceStatus.Stationary

Parameters

Name Type Mandatory Description
activity ActivityType Yes Device status type.
callback Callback<ActivityResponse> Yes Callback used to receive reported data.

Example

stationary.once('still', (data) => {
    console.log("data="+ JSON.stringify(data));
})

stationary.off(‘still’|‘relativeStill’)

off(activity: ActivityType, event: ActivityEvent, callback?: Callback&lt;ActivityResponse&gt;): void

Unsubscribes from the device status.

System capability: SystemCapability.Msdp.DeviceStatus.Stationary

Parameters

Name Type Mandatory Description
activity ActivityType Yes Device status type.
event ActivityEvent Yes Event type.
callback Callback<ActivityResponse> No Callback used to receive reported data. If no value or undefined is passed, all callbacks associated with the specified event in the process will be unregistered.

Example

stationary.off('still', stationary.ActivityEvent.ENTER);

你可能感兴趣的鸿蒙文章

harmony 鸿蒙Multimodal Awareness Kit

harmony 鸿蒙Device Status Awareness Error Codes

harmony 鸿蒙Metadata Binding Error Codes

harmony 鸿蒙Motion Awareness Error Codes

harmony 鸿蒙@ohos.multimodalAwareness.deviceStatus (Device Status Awareness)

harmony 鸿蒙@ohos.multimodalAwareness.metadataBinding (Metadata Binding)

harmony 鸿蒙@ohos.multimodalAwareness.metadataBinding (Metadata Binding)

harmony 鸿蒙@ohos.multimodalawareness.motion (Motion Awareness)

0  赞
  • 所属分类： 后端技术
  • 本文标签：
  • 版权声明： 原创文章如转载，请注明本文链接: https://www.seaxiang.com/blog/kjO2RB
热门推荐
标签云
Linux Java Spring Spring Boot docker 大数据 前端 生活 maven golang 软件 spring cloud fintech mac vscode 其他 区块链 以太坊 V神 开发者 技术 股票 git greenplum 分布式事务 chrome mysql flink kafka 设计模式 原理 鸿蒙 seo
最新文章
本文目录