DownloadManager在Android 8.0上不起作用.我不知道为什么.有人能帮助我吗？
这是我尝试过的:
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)