1e41f4b71Sopenharmony_ci # AppStateData (系统接口)
2e41f4b71Sopenharmony_ci
3e41f4b71Sopenharmony_ci定义应用状态信息,可以通过[getForegroundApplications](js-apis-app-ability-appManager-sys.md#appmanagergetforegroundapplications)获取当前应用的相关信息。
4e41f4b71Sopenharmony_ci
5e41f4b71Sopenharmony_ci> **说明:**
6e41f4b71Sopenharmony_ci> 
7e41f4b71Sopenharmony_ci> 本模块首批接口从API version 8 开始支持。后续版本的新增接口,采用上角标单独标记接口的起始版本。
8e41f4b71Sopenharmony_ci> 本模块接口为系统接口。
9e41f4b71Sopenharmony_ci
10e41f4b71Sopenharmony_ci## 导入模块
11e41f4b71Sopenharmony_ci
12e41f4b71Sopenharmony_ci```ts
13e41f4b71Sopenharmony_ciimport { appManager } from '@kit.AbilityKit';
14e41f4b71Sopenharmony_ci```
15e41f4b71Sopenharmony_ci
16e41f4b71Sopenharmony_ci## 属性
17e41f4b71Sopenharmony_ci
18e41f4b71Sopenharmony_ci**系统能力**:以下各项对应的系统能力均为SystemCapability.Ability.AbilityRuntime.Core
19e41f4b71Sopenharmony_ci
20e41f4b71Sopenharmony_ci**系统API**:本模块被标记为@systemapi,对三方应用隐藏
21e41f4b71Sopenharmony_ci
22e41f4b71Sopenharmony_ci| 名称                      | 类型   | 必填  | 说明       |
23e41f4b71Sopenharmony_ci| ------------------------- | ------ | ---- | --------- |
24e41f4b71Sopenharmony_ci| bundleName<sup>8+</sup>   | string | 否   | Bundle名称。 |
25e41f4b71Sopenharmony_ci| uid<sup>8+</sup>          | number | 否   | 应用程序的uid。   |
26e41f4b71Sopenharmony_ci| state<sup>8+</sup>        | number | 否   | 应用状态。<br>0:初始化状态,应用正在初始化<br>1:就绪状态,应用已初始化完毕<br>2:前台状态,应用位于前台<br>3:获焦状态。(预留状态,当前暂不支持)<br>4:后台状态,应用位于后台<br>5:退出状态,应用已退出 |
27e41f4b71Sopenharmony_ci| isSplitScreenMode<sup>11+</sup> | boolean | 否 | 判断应用是否进入分屏模式。<br>true:应用处于分屏模式。<br>false:应用不处于分屏模式。 |
28e41f4b71Sopenharmony_ci| isFloatingWindowMode<sup>11+</sup> | boolean | 否 | 判断应用是否进入悬浮窗模式。<br>true:应用处于浮窗模式。<br>false:应用不处于浮窗模式。 |
29e41f4b71Sopenharmony_ci
30e41f4b71Sopenharmony_ci**示例:**
31e41f4b71Sopenharmony_ci
32e41f4b71Sopenharmony_ci```ts
33e41f4b71Sopenharmony_ciimport { appManager } from '@kit.AbilityKit';
34e41f4b71Sopenharmony_ci
35e41f4b71Sopenharmony_cifunction getForegroundAppInfos() {
36e41f4b71Sopenharmony_ci  appManager.getForegroundApplications((error, data) => {
37e41f4b71Sopenharmony_ci    if (error) {
38e41f4b71Sopenharmony_ci      console.log(`getForegroundApplications failed, error.code: ${JSON.stringify(error.code)}, error.message: ${JSON.stringify(error.message)}`);
39e41f4b71Sopenharmony_ci      return;
40e41f4b71Sopenharmony_ci    }
41e41f4b71Sopenharmony_ci    for (let i = 0; i < data.length; i++) {
42e41f4b71Sopenharmony_ci      let appStateData = data[i];
43e41f4b71Sopenharmony_ci      console.log(`appStateData.bundleName: ${appStateData.bundleName}`);
44e41f4b71Sopenharmony_ci      console.log(`appStateData.uid: ${appStateData.uid}`);
45e41f4b71Sopenharmony_ci      console.log(`appStateData.state: ${appStateData.state}`);
46e41f4b71Sopenharmony_ci      console.log(`appStateData.isSplitScreenMode: ${appStateData.isSplitScreenMode}`);
47e41f4b71Sopenharmony_ci      console.log(`appStateData.isFloatingWindowMode: ${appStateData.isFloatingWindowMode}`);
48e41f4b71Sopenharmony_ci    }
49e41f4b71Sopenharmony_ci  });
50e41f4b71Sopenharmony_ci}
51e41f4b71Sopenharmony_ci```
52