我试图使用DownloadManager从服务器上下载文件,但它没有下载并说下载失败,我读过下载管理器存在问题在下面的链接 android-chrome-browser-unnecessarily-renames-names-types-of-downloaded-files所以我试图通过使用下面的方法添加RequestHeader到DownloadManagerRequest下载文件,但没有发生任何事情。请找到我的Downloader类的下面的代码部分任何人请建议我使用DownloadManager从url下载文件的正确方法。下载使用DownLoadManager.Request从URL下载文件时失败
网址:
的http:// 吸藏。达网络/ 95 - ****/95-3194.pdf AWSAccessKeyId = T9YG9HWQC1LHE5G5VF38 &过期= 1483443248 &签名= Z%2BkWzfEI2VawbCx%2F2Yto1kPcJKA%3D
由于
public void download(Uri uri) {
if (!isDownloading()) {
String fileName=getName(uri);
DownloadManager.Request request = new DownloadManager.Request(uri);
request.setTitle(fileName);
request.setNotificationVisibility(1);
request.allowScanningByMediaScanner();
request.addRequestHeader("Content-Type", "application/octet-stream");
request.addRequestHeader("Content-Disposition", "attachment; filename=\""+fileName.split("\\.")[0]+"."+fileName.split("\\.")[1].toUpperCase()+"\"");
String cookieContent = getCookieFromAppCookieManager(uri.getHost());
request.addRequestHeader("Cookie", cookieContent);
downloadId = downloadManager.enqueue(request);
register();
}
}
和下面的框返回的文件名
private String getName(Uri uri) {
String name=uri.toString().split("jabord/")[1].split("\\?")[0];
return name;
}
返回appcookie经理
public String getCookieFromAppCookieManager(String url){
android.webkit.CookieManager cookieManager = android.webkit.CookieManager.getInstance();
if (cookieManager == null) {
return null;
}
String rawCookieHeader = null;
// Extract Set-Cookie header value from Android app CookieManager for this URL
rawCookieHeader = cookieManager.getCookie(url);
if (rawCookieHeader == null) {
return null;
}
return rawCookieHeader;
};