[文章]HarmonyOS NEXT应用开发-Notification Kit（用户通知服务）notificationManager.addSlot

1.notificationManager.addSlot
支持设备Phone2in1TabletCarWearable
addSlot(type: SlotType, callback: AsyncCallback): void
创建指定类型的通知渠道。使用callback异步回调。
系统能力：SystemCapability.Notification.Notification


示例：

import { BusinessError } from '@kit.BasicServicesKit';

// addslot回调
let addSlotCallBack = (err: BusinessError): void => {
  if (err) {
    console.error(`Failed to add slot. Code is ${err.code}, message is ${err.message}`);
  } else {
    console.info(`Succeeded in adding slot.`);
  }
}
notificationManager.addSlot(notificationManager.SlotType.SOCIAL_COMMUNICATION, addSlotCallBack);

2.notificationManager.addSlot
支持设备Phone2in1TabletCarWearable
addSlot(type: SlotType): Promise
创建指定类型的通知渠道。使用Promise异步回调。
系统能力：SystemCapability.Notification.Notification

示例：

import { BusinessError } from '@kit.BasicServicesKit';

notificationManager.addSlot(notificationManager.SlotType.SOCIAL_COMMUNICATION).then(() => {
  console.info(`Succeeded in adding slot.`);
}).catch((err: BusinessError) => {
  console.error(`Failed to add slot. Code is ${err.code}, message is ${err.message}`);
});

本文主要参考引用自HarmonyOS官方网站