How to check if you app has permission to get notification service listener

check notification permission

 boolean hasNotificationAccess()
    {
        ContentResolver contentResolver = this.getContentResolver();
        String enabledNotificationListeners = Settings.Secure.getString(contentResolver, "enabled_notification_listeners");
        String packageName = this.getPackageName();

        // check to see if the enabledNotificationListeners String contains our package name
        return !(enabledNotificationListeners == null || !enabledNotificationListeners.contains(packageName));
    }