fileDownload

//file download after permission check
    private void fileDownload(String url, String fileName, String fileExtension) {
        fileName = fileName + "." + fileExtension;
        String mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(fileExtension);
        url = url.replace(" ","%20");
        System.out.println("URL=> "+url);
        DownloadManager downloadManager = (DownloadManager) ((Activity) baseActivity).getSystemService(Context.DOWNLOAD_SERVICE);
        DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url));
        request.setAllowedNetworkTypes(DownloadManager.Request.NETWORK_WIFI | DownloadManager.Request.NETWORK_MOBILE)
                .setAllowedOverRoaming(false)
                .setTitle(fileName)
                .setDescription("Downloading "+fileName)
                .setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED)
                .setMimeType(mimeType)
                .setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, fileName);
        downloadManager.enqueue(request);
    }