后台代理提醒，定时闹钟提醒功能。

import reminderAgentManager from '@ohos.reminderAgentManager'; 
import NotificationManager from '@ohos.notificationManager';
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{ 
  "name": "ohos.permission.PUBLISH_AGENT_REMINDER" 
}
import { reminderAgentManager } from '@kit.BackgroundTasksKit'; 
 
@Entry 
@Component 
struct Index { 
  @State message: string = 'Hello World' 
 
  onPageShow() { 
    NotificationManager.requestEnableNotification().then(() => { 
      console.info(`[ANS] requestEnableNotification success`); 
    }).catch((err: Error) => { 
      console.error(`[ANS] requestEnableNotification failed, errCode[${err}]`); 
    }); 
  } 
 
  build() { 
    Row() { 
      Column() { 
        Text(this.message) 
          .fontSize(50) 
          .fontWeight(FontWeight.Bold) 
          .onClick(() => { 
            let targetReminderAgent: reminderAgentManager.ReminderRequestAlarm = { 
              reminderType: reminderAgentManager.ReminderType.REMINDER_TYPE_ALARM, // 提醒类型为闹钟类型 
              hour: 23, // 指明提醒的目标时刻 
              minute: 9, // 指明提醒的目标分钟 
              daysOfWeek: [2], // 指明每周哪几天需要重复提醒 
              actionButton: [// 设置弹出的提醒通知信息上显示的按钮类型和标题，支持“关闭”和“延迟”两种类型，其中“延迟”按钮类型需要与snoozeTimes和timeInterval参数结合使用 
                { 
                  title: 'close', 
                  type: reminderAgentManager.ActionButtonType.ACTION_BUTTON_TYPE_CLOSE 
                }, 
                { 
                  title: 'snooze', 
                  type: reminderAgentManager.ActionButtonType.ACTION_BUTTON_TYPE_SNOOZE 
                }, 
              ], 
              wantAgent: { 
                // 点击提醒通知后跳转的目标UIAbility信息 
                pkgName: 'com.example.myapplication', 
                abilityName: 'EntryAbility' 
              }, 
              maxScreenWantAgent: { 
                // 点击提醒通知后跳转的目标UIAbility信息 
                pkgName: 'com.example.myapplication', 
                abilityName: 'EntryAbility' 
              }, 
              ringDuration: 5, // 指明响铃时长（单位：秒） 
              snoozeTimes: 2, // 指明延迟提醒次数 
              timeInterval: 5, // 执行延迟提醒间隔（单位：秒） 
              title: 'this is title', // 指明提醒标题 
              content: 'this is content', // 指明提醒内容 
              expiredContent: 'this reminder has expired', // 指明提醒过期后需要显示的内容 
              snoozeContent: 'remind later', // 指明延迟提醒时需要显示的内容 
              notificationId: 99, // 指明提醒使用的通知的ID号，相同ID号的提醒会覆盖 
              slotType: NotificationManager.SlotType.SOCIAL_COMMUNICATION // 指明提醒的Slot类型 
            } 
            try { 
              reminderAgentManager.publishReminder(targetReminderAgent).then(res => { 
                console.info('publishReminder promise reminderId: ' + res); 
                let reminderId: number = res; 
                // ... 
              }).catch((err: Error) => { 
                console.info('publishReminder err code: ' + ' message:' + err.message); 
              }) 
            } catch (error) { 
              console.info('publishReminder code: ' + error.code + ' message:' + error.message); 
            } 
          }) 
      } 
      .width('100%') 
    } 
    .height('100%').backgroundColor(0xF1F3F5) 
  } 
}
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