Aandroid 多线程断点续传同时下载多个大文件

[{"title":"（ 1142 个子文件 8.63MB ） Aandroid 多线程断点续传同时下载多个大文件","children":[{"title":"proguard-rules.pro <span style='color:#111;'> 668B </span>","children":null,"spread":false},{"title":"DownloadTestApp1.iml <span style='color:#111;'> 7.38KB </span>","children":null,"spread":false},{"title":"ExampleUnitTest.java <span style='color:#111;'> 332B </span>","children":null,"spread":false},{"title":"ApplicationTest.java <span style='color:#111;'> 368B </span>","children":null,"spread":false},{"title":"ic_launcher.png <span style='color:#111;'> 10.24KB </span>","children":null,"spread":false},{"title":"......","children":null,"spread":false},{"title":"<span style='color:steelblue;'>文件过多，未全部展示</span>","children":null,"spread":false}],"spread":true}]