Can I override default push notification icon in android from app icon to custom icon?

Question

Can I override default push notification icon in android from app icon to custom icon?

I am using default firebase implementation to display notification in system tray,

Answer 1

NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this)
                .setSmallIcon(R.mipmap.custom_icon)
                .setContentTitle("FCM Message")
                .setContentText(messageBody)
                .setAutoCancel(true)
                .setSound(defaultSoundUri)
                .setContentIntent(pendingIntent);