harmony 鸿蒙@ohos.app.ability.contextConstant (ContextConstant)

2022-12-22
浏览 (542)

@ohos.app.ability.contextConstant (ContextConstant)

The ContextConstant module defines context-related enums. Currently, it defines only the enum of encryption levels.

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.

The APIs of this module can be used only in the stage model.

Modules to Import

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

ContextConstant.AreaMode

You can obtain the value of this constant by calling the ContextConstant.AreaMode API.

System capability: SystemCapability.Ability.AbilityRuntime.Core

Name	Value	Description
EL1	0	Device-level encryption. Directories with this encryption level are accessible after the device is powered on.
EL2	1	User-level encryption. Directories with this encryption level are accessible only after the device is powered on and the password is entered (for the first time).