DHDUConnection.kt

// creating the pending intent
val intent = Intent(DetectedActivityReceiver.RECEIVER_ACTION)
pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0)

// creating the receiver
receiver = DetectedActivityReceiver()

// registring the receiver
LocalBroadcastManager.getInstance(this).registerReceiver(
    receiver, IntentFilter(DetectedActivityReceiverRECEIVER_ACTION)
)

val task = ActivityRecognition.getClient(this)
    .requestActivityTransitionUpdates(finalRequest, pendingIntent)

task.addOnSuccessListener {
    Log.d("ActivityRecognition", "Transitions Api registered with success")
}

task.addOnFailureListener { e: Exception ->
    Log.d("ActivityRecognition", "Transitions Api could NOT be registered ${e.localizedMessage}")
}