文件上传和下载链接地址

Android版多线程下载 仿下载助手（最新）

https://www.jb51.net/article/70651.htm

Android多线程+单线程+断点续传+进度条显示下载功能

https://www.jb51.net/article/115135.htm

Android多线程断点续传下载示例详解

https://www.jb51.net/article/127764.htm

Android 使用多线程来做多文件上传Or下载 上传

https://blog.csdn.net/qq402164452/article/details/53896099

模拟迅雷下载程序 多线程

https://blog.csdn.net/xiaoerduo123x/article/details/50908126?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-1.channel_param&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-1.channel_param

自定义线程池，批量下载文件

https://blog.csdn.net/k_young1997/article/details/100812191?utm_medium=distribute.pc_relevant_download.none-task-blog-baidujs-1.nonecase&depth_1-utm_source=distribute.pc_relevant_download.none-task-blog-baidujs-1.nonecase

Android开发之多线程下载、断点续传、进度条和文本显示

https://blog.csdn.net/diaolapei9880/article/details/102382146

Android多线程+单线程+断点续传+进度条显示下载

https://www.jianshu.com/p/14cbdce82d9a