iAdvize Android notification

NotificationService.kt

class NotificationService : FirebaseMessagingService() {
    override fun onNewToken(token: String) {
        super.onNewToken(token)
        IAdvizeSDK.notificationController.registerPushToken(token)
    }

    override fun onMessageReceived(remoteMessage: RemoteMessage) {
        if (IAdvizeSDK.notificationController.isIAdvizePushNotification(remoteMessage.data)
            && !IAdvizeSDK.chatboxController.isChatboxPresented()
        ) {
            // This is an iAdvize notification and the chatbox is not open => show notification
            sendNotification(remoteMessage.data["content"] ?: "A file has been sent to you")
        }
    }

    private fun sendNotification(text: String) {
        val intent = Intent(this, RootActivity::class.java)
        intent.addFlags(FLAG_ACTIVITY_CLEAR_TOP)
        val pendingIntent = PendingIntent.getActivity(this, 0, intent, FLAG_ONE_SHOT)

        val channelId = "sample-channel-id"
        val defaultSoundUri = RingtoneManager.getDefaultUri(TYPE_NOTIFICATION)
        val notificationBuilder = NotificationCompat.Builder(this, channelId)
            .setSmallIcon(R.drawable.ic_launcher_foreground)
            .setColor(0xff00ff00.toInt())
            .setContentTitle("iAdvize Sample")
            .setContentText(text)
            .setAutoCancel(true)
            .setSound(defaultSoundUri)
            .setContentIntent(pendingIntent)

        val notificationManager = getSystemService(NOTIFICATION_SERVICE) as NotificationManager
        if (SDK_INT >= O) {
            notificationManager.createNotificationChannel(
                NotificationChannel(
                    channelId,
                    channelId,
                    NotificationManager.IMPORTANCE_DEFAULT
                )
            )
        }
        notificationManager.notify(0, notificationBuilder.build())
    }
}