harmony 鸿蒙@ohos.app.appstartup.StartupListener

2025-06-12
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@ohos.app.appstartup.StartupListener

The StartupListener module provides APIs to listen for startup tasks.

NOTE

The initial APIs of this module are supported since API version 12. 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 { StartupListener } from '@kit.AbilityKit';

StartupListener.onCompleted

onCompleted?(error: BusinessError<void>): void

Called when all startup tasks are complete.

System capability: SystemCapability.Ability.AppStartup

Parameters

Name	Type	Mandatory	Description
error	BusinessError	Yes	Error message.

Example

import { StartupConfig, StartupConfigEntry, StartupListener } from '@kit.AbilityKit';
import { BusinessError } from '@kit.BasicServicesKit';
import { hilog } from '@kit.PerformanceAnalysisKit';

export default class MyStartupConfigEntry extends StartupConfigEntry {
  onConfig() {
    hilog.info(0x0000, 'testTag', `onConfig`);
    let onCompletedCallback = (error: BusinessError<void>) => {
      hilog.info(0x0000, 'testTag', `onCompletedCallback`);
      if (error) {
        hilog.info(0x0000, 'testTag', 'onCompletedCallback: %{public}d, message: %{public}s', error.code, error.message);
      } else {
        hilog.info(0x0000, 'testTag', `onCompletedCallback: success.`);
      }
    }
    let startupListener: StartupListener = {
      'onCompleted': onCompletedCallback
    }
    let config: StartupConfig = {
      'timeoutMs': 10000,
      'startupListener': startupListener
    }
    return config;
  }
}