Ability Subsystem Changelog

Compared with OpenHarmony 3.2 Beta4, OpenHarmony 3.2.10.1(MR) has the following API changes in the ability subsystem:

cl.ability.1 API Migration

The requestPermissionsFromUser API of UIAbilityContext is migrated from the ability subsystem to the security subsystem.

Previously, the permission popup was implemented based on UIAbility, which used the startAbilityForResult API of UIAbilityContext to return the permission authorization result to the caller. Therefore, requestPermissionsFromUser was temporarily placed in UIAbilityContext. The permission popup is now implemented based on ServiceExtensionAbility, which no longer requires startAbilityForResult of UIAbilityContext. Therefore, requestPermissionsFromUser is migrated to the security subsystem.

You need to adapt your application.

Change Impact

JS APIs in API version 9 are affected. Your application needs to adapt these APIs so that it can properly implement features in the SDK environment of the new version.

Key API/Component Changes

Adaptation Guide

The following illustrates how requestPermissionsFromUser is called to show a permission popup.

Stage model:

import abilityAccessCtrl from '@ohos.abilityAccessCtrl.d.ts';
// onWindowStageCreate lifecycle of UIAbility.
onWindowStageCreate() {
    let AtManager = abilityAccessCtrl.createAtManager();
    // requestPermissionsFromUser determines whether to display a popup based on the permission authorization status.
    AtManager.requestPermissionsFromUser(this.context, ["ohos.permission.MANAGE_DISPOSED_APP_STATUS"]).then((data) => {
        console.log("data type:" + typeof(data));
        console.log("data:" + data);
        console.log("data permissions:" + data.permissions);
        console.log("data result:" + data.authResults);
    }).catch((err) => {
        console.error('Failed to start ability', err.code);
    })
}

cl.ability.2 Deletion of Deprecated APIs in API Version 9

In the Ability Exception Rectification document, some APIs in API version 9 have been marked as deprecated. According to API specifications of OpenHarmony, these APIs should be deleted.

Change Impact

The application developed based on earlier versions needs to use new APIs to replace the deleted ones. Otherwise, the application compilation will be affected.

Key API/Component Changes

API files are deleted.

APIs or attributes are deleted:

• @ohos.application.Configuration.d.ts
  • direction, screenDensity, displayId, and hasPointerDevice of Configuration are deleted. Use Configuration of @ohos.app.ability.Configuration.d.ts.
• @ohos.application.ConfigurationConstant.d.ts
  • Direction and ScreenDensity are deleted. Use Direction and ScreenDensity of @ohos.app.ability.ConfigurationConstant.d.ts.
• @ohos.application.abilityManager.d.ts
  • getExtensionRunningInfos and getTopAbility are deleted. Use the APIs with the same name in @ohos.app.ability.abilityManager.d.ts.
• @ohos.application.appManager.d.ts
  • ApplicationState and ProcessState are deleted. Use ApplicationState and ProcessState of @ohos.app.ability.appManager.d.ts.
  • registerApplicationStateObserver and getProcessRunningInformation are deleted. Use the APIs with the same name in @ohos.app.ability.appManager.d.ts.
• @ohos.application.formHost.d.ts
  • shareForm and notifyFormsPrivacyProtected are deleted. Use the APIs with the same name in @ohos.app.form.formHost.d.ts.
• @ohos.application.formInfo.d.ts
  • eTS of FormType is deleted. Use eTS of FormType in @ohos.app.form.formInfo.d.ts.
  • IDENTITY_KEY, BUNDLE_NAME_KEY, ABILITY_NAME_KEY, and DEVICE_ID_KEY of FormParam are deleted. Use the enums with the same name in @ohos.app.form.formInfo.d.ts.
  • FormInfoFilter is deleted. Use FormInfoFilter of @ohos.app.form.formInfo.d.ts.
  • FormDimension is deleted. Use FormDimension of @ohos.app.form.formInfo.d.ts.
  • VisibilityType is deleted. Use VisibilityType of @ohos.app.form.formInfo.d.ts.
• @ohos.wantAgent.d.ts
  • trigger and getOperationType are deleted. Use the APIs with the same name in @ohos.app.ability.wantAgent.d.ts.
• application/ApplicationContext.d.ts
  • registerAbilityLifecycleCallback, unregisterAbilityLifecycleCallback, registerEnvironmentCallback, and unregisterEnvironmentCallback are deleted. Use on and off.
• application/ServiceExtensionContext.d.ts
  • connectAbility, connectAbilityWithAccount, and disconnectAbility are deleted. Use connectServiceExtensionAbility, connectServiceExtensionAbilityWithAccount, and disconnectServiceExtensionAbility.
• @ohos.application.FormExtension.d.ts
  • onCreate, onCastToNormal, onUpdate, onVisibilityChange, onEvent, onDestroy, onAcquireFormState, and onShare are deleted. Use the following lifecycle methods of @ohos.app.form.FormExtensionAbility.d.ts: onAddForm, onCastToNormalForm, onUpdateForm, onChangeFormVisibility, onFormEvent, onRemoveForm, onAcquireFormState, and onShareForm.
• @ohos.application.abilityDelegatorRegistry.d.ts
  • AbilityDelegator, AbilityDelegatorArgs, AbilityMonitor, and ShellCmdResult are deleted. Use the classes with the same name in @ohos.app.ability.abilityDelegatorRegistry.d.ts.
• @ohos.application.abilityManager.d.ts
  • AbilityRunningInfo and ExtensionRunningInfo are deleted. Use the classes with the same name in @ohos.app.ability.abilityManager.d.ts.
• @ohos.application.appManager.d.ts
  • AbilityStateData, AppStateData, ApplicationStateObserver, ProcessRunningInfo, and ProcessRunningInformation are deleted. Use the classes with the same name in @ohos.app.ability.appManager.d.ts.
• @ohos.application.missionManager.d.ts
  • MissionInfo, MissionListener, and MissionSnapshot are deleted. Use the classes with the same name in @ohos.app.ability.missionManager.d.ts.
• @ohos.wantAgent.d.ts
  • TriggerInfo and WantAgentInfo are deleted. Use the classes with the same name in @ohos.app.ability.wantAgent.d.ts.

Adaptation Guide

As mentioned above, only several APIs have their names changed in terms of, for example, the registration callbacks (registerAbilityLifecycleCallback, unregisterAbilityLifecycleCallback, registerEnvironmentCallback, and unregisterEnvironmentCallback) and connection and disconnection ServiceExtensionAbility (connectAbility, connectAbilityWithAccount, and disconnectAbility). For such APIs, replace their names with those of their corresponding new APIs in the lifecycle callbacks.

Most APIs are moved to the new namespace. Therefore, you can modify import for adaptation.

For example, the original API uses @ohos.application.Ability:

import Ability from '@ohos.application.Ability';

You can directly modify import to switch to the new namespace:

import Ability from '@ohos.app.ability.UIAbility';

In addition, exception handling is needed. For details, see the API reference for the new APIs.

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