程序包 ohos.backgroundtaskmgr

类 ExpiredCallback

java.lang.Object

ohos.backgroundtaskmgr.ExpiredCallback

public abstract class ExpiredCallback
extends Object

Abstract class of the timeout callback for delayed transition to the suspended state. If an application needs to continue an unfinished task in the background, it must send a request for delayed transition to the suspended state. When the requested delay duration times out, ExpiredCallback will be called to notify the application.

Implementation of this class requires that you rewrite the respective methods and define the processing logic for timeout of the delay duration.

从以下版本开始:

3

SystemCapability

SystemCapability.ResourceSchedule#BACKGROUND_TASK_MANAGER

构造器概要

构造器

构造器	说明
ExpiredCallback()

方法概要

限定符和类型	方法	说明
abstract void	onExpired()	A callback used to notify an application of the timeout of its delayed transition to the suspended state.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

ExpiredCallback

public ExpiredCallback()

方法详细资料

onExpired

public abstract void onExpired()

A callback used to notify an application of the timeout of its delayed transition to the suspended state.

You can call BackgroundTaskManager#requestSuspendDelay(String reason, ExpiredCallback cb) to request delayed transition to the suspended state. This method will be called when the delayed transition to the suspended state times out.

从以下版本开始:

3