harmony 鸿蒙Common Event Subsystem Changelog

Common Event Subsystem Changelog

Change Impact

For applications developed based on earlier versions, the following common events of the .ohos.commonEvent module must be adapted.

Common Event
COMMON_EVENT_PACKAGE_CACHE_CLEARED
COMMON_EVENT_USB_STATE
COMMON_EVENT_USB_PORT_CHANGED
COMMON_EVENT_VOLUME_REMOVED
COMMON_EVENT_VOLUME_UNMOUNTED
COMMON_EVENT_VOLUME_MOUNTED
COMMON_EVENT_VOLUME_BAD_REMOVAL
COMMON_EVENT_VOLUME_EJECT
COMMON_EVENT_SLOT_CHANGE
COMMON_EVENT_SPN_INFO_CHANGED
COMMON_EVENT_QUICK_FIX_APPLY_RESULT

Key API/Component Changes

Replace the common events in ohos.commonEvent with those in ohos.commonEventManager.

Common Event in ohos.commonEvent	Common Event in ohos.commonEventManager
COMMON_EVENT_PACKAGE_CACHE_CLEARED	COMMON_EVENT_PACKAGE_CACHE_CLEARED
COMMON_EVENT_USB_STATE	COMMON_EVENT_USB_STATE
COMMON_EVENT_USB_PORT_CHANGED	COMMON_EVENT_USB_PORT_CHANGED
COMMON_EVENT_VOLUME_REMOVED	COMMON_EVENT_VOLUME_REMOVED
COMMON_EVENT_VOLUME_UNMOUNTED	COMMON_EVENT_VOLUME_UNMOUNTED
COMMON_EVENT_VOLUME_MOUNTED	COMMON_EVENT_VOLUME_MOUNTED
COMMON_EVENT_VOLUME_BAD_REMOVAL	COMMON_EVENT_VOLUME_BAD_REMOVAL
COMMON_EVENT_VOLUME_EJECT	COMMON_EVENT_VOLUME_EJECT
COMMON_EVENT_SLOT_CHANGE	COMMON_EVENT_SLOT_CHANGE
COMMON_EVENT_SPN_INFO_CHANGED	COMMON_EVENT_SPN_INFO_CHANGED
COMMON_EVENT_QUICK_FIX_APPLY_RESULT	COMMON_EVENT_QUICK_FIX_APPLY_RESULT

Adaptation Guide

Replace the events in ohos.commonEvent with those in ohos.commonEventManager.

Before change:

import commonEvent from '@ohos.commonEvent';
let event: string = commonEvent.Support.COMMON_EVENT_PACKAGE_CACHE_CLEARED;

After change:

import commonEventManager from '@ohos.commonEventManager';
let event: string = commonEventManager.Support.COMMON_EVENT_PACKAGE_CACHE_CLEARED;

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