There are 3 repositories under android-download topic.
An powerful download library for Android.
一个简单的Android网络下载器,支持多任务下载、多界面管理、断点等常用操作
DownloadManager is an android system service that handles long-running HTTP downloads. Apps request for downloads by passing a URI or also tell the destination folder in where you want to store that specific file.
Search and download APKs from the command line
An Android downloader library supported with notifications.