HarmonyOS NEXT应用开发-Notification Kit(用户通知服务)notificationManager.addSlot
1.notificationManager.addSlot支持设备Phone2in1TabletCarWearableaddSlot(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letaddSlotCallBack(err:BusinessError):void{if(err){console.error(Failedtoaddslot.Codeis${err.code},messageis${err.message...