bluetoothctl
   power on
   agent on

    trust xx:xx:xx:xx:xx
    pair xx:xx:xx:xx:xx

func main() {
	ancs, err := NewAncs("/org/bluez/hci0/dev_xx_xx_xx_xx_xx_xx")
	if err != nil {
		panic(err)
	}
	err = ancs.StartNotify()
	if err != nil {
		fmt.Println(err)
	}

	for {
		select {
		case notification := <-ancs.NotificationChan:
			fmt.Println(notification.Original)
			err := ancs.GetNotificationAttributes(notification)
			if err != nil {
				fmt.Println(err.Error())
			}
		case data := <-ancs.DataChan:
			fmt.Println(data.Original)
			fmt.Printf("%s app:%s title:%s subtitle:%s message:%s \n", time.Now(), data.AppIdentifier, data.Title, data.Subtitle, data.Message)
		}
	}
}