harmony 鸿蒙@ohos.application.formError (formError)

2025-06-12
浏览 (4)

@ohos.application.formError (formError)

The formError module provides error codes for widgets.

NOTE

The initial APIs of this module are supported since API version 8. Newly added APIs will be marked with a superscript to indicate their earliest API version. This module is deprecated since API version 9. You are advised to use Form Error Codes instead.

Modules to Import

import { formError } from '@kit.FormKit';

Required Permissions

None.

FormError

Enumerates the widget types.

System capability: SystemCapability.Ability.Form

Name	Value	Description
ERR_COMMON	1	Default error code.
ERR_PERMISSION_DENY	2	You are not authorized to perform the operation.
ERR_GET_INFO_FAILED	4	Failed to obtain the widget information.
ERR_GET_BUNDLE_FAILED	5	Failed to obtain the bundle information.
ERR_GET_LAYOUT_FAILED	6	Failed to obtain the layout information.
ERR_ADD_INVALID_PARAM	7	Invalid parameters are detected.
ERR_CFG_NOT_MATCH_ID	8	The widget ID does not match any widget.
ERR_NOT_EXIST_ID	9	The widget ID does not exist.
ERR_BIND_PROVIDER_FAILED	10	Failed to bind to the widget provider.
ERR_MAX_SYSTEM_FORMS	11	The number of system widgets exceeds the upper limit.
ERR_MAX_INSTANCES_PER_FORM	12	The number of instances per widget exceeds the upper limit.
ERR_OPERATION_FORM_NOT_SELF	13	The application is not allowed to operate widgets provided by other applications.
ERR_PROVIDER_DEL_FAIL	14	The widget provider failed to delete the widget.
ERR_MAX_FORMS_PER_CLIENT	15	The number of widgets applied for by the widget host exceeds the upper limit.
ERR_MAX_SYSTEM_TEMP_FORMS	16	The number of temporary widgets exceeds the upper limit.
ERR_FORM_NO_SUCH_MODULE	17	The module does not exist.
ERR_FORM_NO_SUCH_ABILITY	18	The ability component does not exist.
ERR_FORM_NO_SUCH_DIMENSION	19	The widget dimension does not exist.
ERR_FORM_FA_NOT_INSTALLED	20	The FA where the widget is located is not installed.
ERR_SYSTEM_RESPONSES_FAILED	30	The system service failed to respond.
ERR_FORM_DUPLICATE_ADDED	31	The widget has been added.
ERR_IN_RECOVERY	36	Failed to overwrite the widget data.