Unity Mobile Notifications not working

Unity Engine
,
1

Trying to get android notifications to work

Getting this error: java.lang.ClassNotFoundException: com.unity.androidnotifications.NotificationCallback

My unity version is: 2021.3.19f1

What I have done

  • Installed unity mobile notifications package through window/packagemanager, version 2.1.1
  • Created Notification Manager class, game object, and attached class to object
  • Created an AAB, tested on browser stack

My Code

using System.Collections;
using System.Collections.Generic;
using Unity.Notifications.Android;
using UnityEngine;

public class AndroidNotifs : MonoBehaviour
{
    void Start()
    {
        Debug.Log("Started");
        //Create Notifications Channel
        var channel = new AndroidNotificationChannel()
        {
            Id = "channel_id",
            Name = "Notifications Channel",
            Importance = Importance.Default,
            Description = "Reminder notifications",
        };
        AndroidNotificationCenter.RegisterNotificationChannel(channel);


        var notification = new AndroidNotification();
        notification.Title = "Your Title";
        notification.Text = "Your Text";
        notification.FireTime = System.DateTime.Now.AddSeconds(15);

        AndroidNotificationCenter.SendNotification(notification, "channel_id");
    }

    void Update() { }
}

No progress

2

The same here, any solution?