Custom icon in Android notification not working

Question

I encountered an issue sending notifications in my Android app. I am setting my custom icon via .setSmallIcon(R.drawable.ic_bublic_2) but android ignores it and shows a default launcher icon instead. Here is my code:

private fun publishNotification(title: String, body: String) {
    val intent=Intent(this, MainActivity::class.java)

    val pendingIntent = TaskStackBuilder.create(this).run {
        addNextIntentWithParentStack(intent)
        getPendingIntent(0, PendingIntent.FLAG_IMMUTABLE or PendingIntent.FLAG_UPDATE_CURRENT)
    }

    val notif = NotificationCompat.Builder(this,CHANNEL_ID)
        .setContentTitle(title)
        .setContentText(body)
        .setSmallIcon(R.drawable.ic_bublic_2)
        .setPriority(NotificationCompat.PRIORITY_HIGH)
        .setContentIntent(pendingIntent)
        .build()

    val notifManger = NotificationManagerCompat.from(this)

    if (ActivityCompat.checkSelfPermission(
            this,
            Manifest.permission.POST_NOTIFICATIONS) == PackageManager.PERMISSION_GRANTED
    ) {
        notifManger.notify(DEFAULT_NOTIF_ID, notif)
    }
}

and here is a screenshot to be more clear:

Edit 1:

setting .setLargeIcon(largeIconBitmap) solve problem for icon on notification but the status bar icon remains the same launcher icon.

Assuming this is a Xiaomi device (or similar), have you tried using the "Android-style" notification setting? — Edric
– Edric, Commented Nov 17 at 4:57

tyczj · Accepted Answer · 2025-11-14 15:51:22Z

1

Small icon is for the icon in the status bar

Set the small icon, which will be used to represent the notification in the status bar and content view (unless overridden there by a large icon)

you want setLargeIcon which is the notification content

Add a large icon to the notification content view

answered Nov 14 at 15:51

tyczj

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1 Comment

Sargius Nov 14 at 16:02

Thanks, it was useful, though status bar icon is also the same launcher icon.

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