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我要創建這樣一個DownloadManager.Request:的Android - 下載管理器:「缺少的路徑請求」
DownloadManager.Request request = new DownloadManager.Request(url);
request.setDescription(fileName);
request.setTitle("Title");
request.setDestinationInExternalPublicDir(sourceDir, fileName);
downloadManager.enqueue(request);
,但我在日誌中我得到這樣的警告: Missing request for path [path]
你知道這是什麼意思?我該如何解決它?