如何从Android上的ASP.NET网站下载文件？

Question

i'm building app to site which is built on ASP.NET, this downloadmanager not work:

            @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            if (url.endsWith(".xlsx") || url.endsWith(".xls") || url.endsWith(".pdf") || url.endsWith(".doc")) {
                DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url));
                request.allowScanningByMediaScanner();
                request.setNotificationVisibility(
                        DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
                String fileName = "Документ" + url.startsWith(".");
                request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, fileName);
                DownloadManager dManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
                dManager.enqueue(request);
                return true;
            }
            return true;
        }

    });

Download button code:

<a href="JavaScript:openAttachment('/doc/28-02-2019.xlsx', 283662);">28-02-2019.xlsx</a>

Answer 1

如果您可以从网络浏览器下载文件，请遵循以下答案： Android：如何在android中创建直接下载链接