DownloadManager not working on android 8.0

Question

DownloadManager does not work on Android 8.0. I don't know why. Can somebody help me?

This is what I have tried:

val downloadBroadcastReceiver = DownloadBroadcastReceiver()
context.registerReceiver(downloadBroadcastReceiver, IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE))
request = DownloadManager.Request(Uri.parse(url))
val mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(MimeTypeMap.getFileExtensionFromUrl(folder + File.separator + fileName))
request.setMimeType(mimeType)
request.setDestinationInExternalFilesDir(context, Environment.DIRECTORY_DOWNLOADS, fileName)
request.setTitle(title)
request.setDescription(description)
request.setNotificationVisibility(VISIBILITY_VISIBLE_NOTIFY_COMPLETED)
request.allowScanningByMediaScanner()
id = downloadManager.enqueue(request)

Answer 1

Make sure you don't have any VPN applications enabled on the phone. In my case I had an ad-blocker application hat ran as VPN on the phone that interfered with the DownloadManager.