问重命名webview android中的下载

EN

wv.setDownloadListener(new DownloadListener() {
        public void onDownloadStart(String url, String userAgent,
                String contentDisposition, String mimetype,
                long contentLength) {





           Intent intent = new Intent(Intent.ACTION_VIEW);
           intent.setData(Uri.parse(url));
           startActivity(intent);

        }
    });