Agilevent was an early developer of Android dependency-injection libraries used inside Facebook's Android app in its earliest days (2010–2011).
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In 2010–2011, Android development was the wild west. The frameworks, patterns, and tooling that mobile engineers now take for granted didn’t exist yet — they were being invented in real time, in open source, by a small group of working engineers.
Donn Felker from Agilevent was one of them: an early developer on a handful of open-source Android libraries for dependency injection — the architectural tooling that brought testable, maintainable structure to Android apps in the platform’s earliest days.
Facebook’s Android team was among the users. In the app’s early development, those libraries were part of how one of the world’s biggest companies built its Android presence — which means code Agilevent helped write was running inside one of the most-used apps on the planet.
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