1# Background Tasks Kit<!--background-tasks-api--> 2 3- ArkTS API<!--background-tasks-arkts--> 4 - [@ohos.reminderAgentManager (Reminder Agent Management)](js-apis-reminderAgentManager.md) 5 - [@ohos.resourceschedule.backgroundTaskManager (Background Task Management)](js-apis-resourceschedule-backgroundTaskManager.md) 6 - [@ohos.resourceschedule.workScheduler (Deferred Task Scheduling)](js-apis-resourceschedule-workScheduler.md) 7 - [@ohos.WorkSchedulerExtensionAbility (Deferred Task Scheduling Callbacks)](js-apis-WorkSchedulerExtensionAbility.md) 8 - [@ohos.resourceschedule.backgroundProcessManager (Background Child Process Management)](js-apis-backgroundProcessManager.md) 9 <!--Del--> 10 - [@ohos.reminderAgentManager (Reminder Agent Management) (System API)](js-apis-reminderAgentManager-sys.md) 11 - [@ohos.resourceschedule.backgroundTaskManager (Background Task Management) (System API)](js-apis-resourceschedule-backgroundTaskManager-sys.md) 12 - [@ohos.resourceschedule.deviceStandby (Device Standby) (System API)](js-apis-resourceschedule-deviceStandby-sys.md) 13 - [@ohos.resourceschedule.usageStatistics (Device Usage Statistics) (System API)](js-apis-resourceschedule-deviceUsageStatistics-sys.md) 14 <!--DelEnd--> 15 - application<!--background-tasks-arkts-application--> 16 - [WorkSchedulerExtensionContext](js-apis-inner-application-WorkSchedulerExtensionContext.md) 17 <!--Del--> 18 - [WorkSchedulerExtensionContext (System API)](js-apis-inner-application-WorkSchedulerExtensionContext-sys.md) 19 <!--DelEnd--> 20 - APIs No Longer Maintained<!--background-tasks-arkts-dep--> 21 - [@ohos.backgroundTaskManager (Background Task Management)](js-apis-backgroundTaskManager.md) 22 - [@ohos.bundleState (Device Usage Statistics)](js-apis-deviceUsageStatistics.md) 23 - [@ohos.reminderAgent (Reminder Agent)](js-apis-reminderAgent.md) 24 <!--Del--> 25 - [@ohos.backgroundTaskManager (Background Task Management) (System API)](js-apis-backgroundTaskManager-sys.md) 26 - [@ohos.bundleState (Device Usage Statistics) (System API)](js-apis-deviceUsageStatistics-sys.md) 27 <!--DelEnd--> 28- C API<!--background-tasks-c--> 29 - Modules<!--background-tasks-module--> 30 - [TransientTask](_transient_task.md) 31 - [BackgroundProcessManager](_background_process_manager.md) 32 - Header Files<!--background-tasks-headerfile--> 33 - [transient_task_api.h](transient__task__api_8h.md) 34 - [transient_task_type.h](transient__task__type_8h.md) 35 - [background_process_manager.h](background__process__manager_8h.md) 36 - Structs<!--background-tasks-struct--> 37 - [TransientTask_DelaySuspendInfo](_transient_task___delay_suspend_info.md) 38- Error Codes<!--background-tasks-arkts-errcode--> 39 - [backgroundTaskManager Error Codes](errorcode-backgroundTaskMgr.md) 40 - [DeviceUsageStatistics Error Codes](errorcode-DeviceUsageStatistics.md) 41 - [reminderAgentManager Error Codes](errorcode-reminderAgentManager.md) 42 - [workScheduler Error Codes](errorcode-workScheduler.md) 43 - [BackgroundProcessManager Error Codes](errorcode-backgroundProcessManager.md) 44