Pascal is joined by Rachel in the co-host chair for this first episode of the new decade. The two interview Sergey from the Android UI Frameworks team to discuss the long-awaited rollout of Kotlin within Facebook. Sergey himself is currently working on a new set of APIs for building UI components in Kotlin.

With Rachel’s background in React and React Native, they explore some of the inspirations and differences between React, React Native and Litho before talking about the design of new Kotlin APIs for Litho. The last part of the conversation focuses on the gradual adoption of Kotlin at Facebook and why this is a big undertaking at a company operating at this scale.

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Links

Litho: https://fblitho.com/
React Native Docs: https://facebook.github.io/react-native/docs/getting-started
Flipper: https://fbflipper.com/
ktfmt: https://github.com/facebookincubator/ktfmt
Redex: https://github.com/facebook/redex
Redex IFBM Episode: https://pca.st/J3cn

Timestamps

Intro 0:00
React Native Docs Update 0:58
Flipper Sidebar Reorganisation 4:42
Interview with Sergey 8:01
Litho and React-style UI frameworks 14:47
Kotlin API Design 27:53
Kotlin at Facebook 36:30
Redex Code Optimisation 39:25
Introducing New Languages at Facebook 40:32
Facebook Mobile Build Infrastructure 41:19
Litho's Target Audience 43:07
Educating About New Languages 46:29
Code Formatting (ktfmt) 48:45
Current Kotlin Use at Facebook 50:21
Outro 51:41
Bloopers 55:40

21: Kotlin at Facebook with Sergey