Hot Off the Open-Source Grill: RIBs, Scalable Multiplatform App Architecture
summary
Uber outgrows its old single-activity app and builds RIBs as a multiplatform framework (Java and Swift) that isolates state in a hierarchical tree, scoping state lifetimes to avoid long-lived shared objects. A 2016 rider rewrite ships with half as many conditional branches, the codebase later doubles without large classes, and achieves 99.97% crash grade. Tooling includes Dagger components, an annotation processor to generate test components, AutoDispose checks, and IntelliJ templates; modularization cuts incremental compile from minutes to ~12 seconds.
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chapters (6)
- 0:00Introduction to RIBs
- 3:32Why RIBs architecture matters
- 4:14Problems with old app architecture
- 14:59RIBs design and principles
- 27:19RIBs tools and features
- 32:34Open-source and next steps
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