License violations: app doesn't list open source components it uses

[strugee]

Many (most?) open source/free software licenses, including Apache 2.0 and MIT, require you to provide attribution in order to use the code. Typically this is done with an "Open source licenses" section in the app's about section or settings screen.

AFAICT, Sayboard doesn't have this, so I thought I'd give you a heads up that (unless I'm missing something) it's probably violating the license of most of its dependencies.

[strugee]

Looks like Google has a library to do this: https://developers.google.com/android/guides/opensource

I'm not sure if it's open source itself, since it's in the Play Services section of the documentation.