I am trying to retrieve the icon displayed in a system notification, such as “Do Not Disturb turned on,” using NotificationListenerService. The notification comes from the package com.android.systemui, but it does not include a standard smallIcon or largeIcon in the Notification object.

Here’s what I have tried so far (all returns null):

        // Extract large icon
        val largeIconViaGetter = notification.getLargeIcon()
        val largeIconViaExtra = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
            extras.getParcelable(
                Notification.EXTRA_LARGE_ICON_BIG, Bitmap::class.java
            )
        } else {
            @Suppress("DEPRECATION")
            extras.getParcelable(Notification.EXTRA_LARGE_ICON_BIG)
        }

        // Extract small icon
        val smallIcon = notification.getLargeIcon()

Question:
How can I retrieve the icon shown in system notifications, such as “Do Not Disturb turned on”?

1. Which field in the StatusBarNotification or Notification object contains this icon?
2. How can I correctly load or convert it into a Drawable, Bitmap, or Icon?

Additional Information:
The package name of the notification is “com.android.systemui”. Icon of this package not the same as real “Do not disturb” icon