OkDownload
A reliable, flexible, fast and powerful download engine
...FileDownloader framework is not easy to write unit-test, it is not a testable framework, so it is not stable enough. The core library of FileDownloader is too complex and not pure enough, so 6K+ star 1K+ fork with around 10 PR. Unit test coverage is very high which means reliable. Simpler interface. Task priority support. Uri file to store output-stream. The core library is Pure and light. More flexible callback mechanism and listener. More flexible to expand each part of OkDownload. Fewer threads to do the same thing without drop performance. ...