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我要创建这样一个DownloadManager.Request:的Android - 下载管理器:“缺少的路径请求”
DownloadManager.Request request = new DownloadManager.Request(url);
request.setDescription(fileName);
request.setTitle("Title");
request.setDestinationInExternalPublicDir(sourceDir, fileName);
downloadManager.enqueue(request);
,但我在日志中我得到这样的警告: Missing request for path [path]
你知道这是什么意思?我该如何解决它?