1e41f4b71Sopenharmony_ci# @ohos.app.ability.common (应用上下文Context)(系统接口)
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3e41f4b71Sopenharmony_ci开发者可以通过该模块引用Ability公共模块类。
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5e41f4b71Sopenharmony_ci> **说明:**
6e41f4b71Sopenharmony_ci> 
7e41f4b71Sopenharmony_ci> 本模块首批接口从API version 9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>
9e41f4b71Sopenharmony_ci> 本模块接口仅可在Stage模型下使用。
10e41f4b71Sopenharmony_ci>
11e41f4b71Sopenharmony_ci> 当前页面仅包含本模块的系统接口,其他公开接口参见[@ohos.app.ability.common (应用上下文Context)](js-apis-app-ability-common.md)。
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13e41f4b71Sopenharmony_ci## 导入模块
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15e41f4b71Sopenharmony_ci```ts
16e41f4b71Sopenharmony_ciimport { common } from '@kit.AbilityKit';
17e41f4b71Sopenharmony_ci```
18e41f4b71Sopenharmony_ci## 属性
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20e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Ability.AbilityRuntime.Core
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22e41f4b71Sopenharmony_ci| 名称  | 类型  | 只读  | 可选  | 说明            |
23e41f4b71Sopenharmony_ci| ----- | ---- | ----- | ----- | -------------- |
24e41f4b71Sopenharmony_ci| ServiceExtensionContext | [ServiceExtensionContext](js-apis-inner-application-serviceExtensionContext-sys.md) | 否  | 否  | ServiceExtensionContext二级模块。<br>**系统接口**:此接口为系统接口。|
25e41f4b71Sopenharmony_ci| AutoFillExtensionContext<sup>11+<sup>   | [AutoFillExtensionContext](js-apis-inner-application-autoFillExtensionContext-sys.md) | 否  | 否  | AutoFillExtensionContext二级模块。<br>**系统接口**:此接口为系统接口。 |
26e41f4b71Sopenharmony_ci| AutoStartupInfo<sup>11+<sup>   | [AutoStartupInfo](js-apis-inner-application-autoStartupInfo-sys.md) | 否  | 否  | AutoStartupInfo二级模块。<br>**系统接口**:此接口为系统接口。 |
27e41f4b71Sopenharmony_ci| AutoStartupCallback<sup>11+<sup>   | [AutoStartupCallback](js-apis-inner-application-autoStartupCallback-sys.md) | 否  | 否  | AutoStartupCallback二级模块。<br>**系统接口**:此接口为系统接口。 |
28e41f4b71Sopenharmony_ci| UIServiceExtensionContext<sup>13+<sup> | [UIServiceExtensionContext ](js-apis-inner-application-uiserviceExtensionContext-sys.md) |  否  | 否  |UIServiceExtensionContext 二级模块。<br/>**系统接口**:此接口为系统接口。 |
29e41f4b71Sopenharmony_ci| UIServiceHostProxy<sup>13+<sup> | [UIServiceHostProxy](js-apis-inner-application-uiservicehostproxy-sys.md) |  否  | 否  | UIServiceHostProxy  二级模块。<br/>**系统接口**:此接口为系统接口。 |
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31e41f4b71Sopenharmony_ci**示例:**
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33e41f4b71Sopenharmony_ci```ts
34e41f4b71Sopenharmony_ciimport { common } from '@kit.AbilityKit';
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36e41f4b71Sopenharmony_cilet uiAbilityContext: common.UIAbilityContext;
37e41f4b71Sopenharmony_cilet abilityStageContext: common.AbilityStageContext;
38e41f4b71Sopenharmony_cilet applicationContext: common.ApplicationContext;
39e41f4b71Sopenharmony_cilet baseContext: common.BaseContext;
40e41f4b71Sopenharmony_cilet context: common.Context;
41e41f4b71Sopenharmony_cilet extensionContext: common.ExtensionContext;
42e41f4b71Sopenharmony_cilet formExtensionContext: common.FormExtensionContext;
43e41f4b71Sopenharmony_cilet vpnExtensionContext: common.VpnExtensionContext;
44e41f4b71Sopenharmony_cilet eventHub: common.EventHub;
45e41f4b71Sopenharmony_cilet pacMap: common.PacMap;
46e41f4b71Sopenharmony_cilet abilityResult: common.AbilityResult;
47e41f4b71Sopenharmony_cilet abilityStartCallback: common.AbilityStartCallback;
48e41f4b71Sopenharmony_cilet connectOptions: common.ConnectOptions;
49e41f4b71Sopenharmony_cilet autoFillExtensionContext: common.AutoFillExtensionContext;
50e41f4b71Sopenharmony_cilet uiServiceExtensionContext: common.UIServiceExtensionContext;
51e41f4b71Sopenharmony_cilet uiServiceHostProxy: common.UIServiceHostProxy;
52e41f4b71Sopenharmony_ci```
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