Scale McDonald's with KMM
summary
KMM powers a production McDonald's app used in 60+ markets with 300M downloads and an order every second; teams share 90% shared presentation logic and migrate UI natively with Compose and Swift. A custom Revolver state manager provides immutable state flows, event and error handlers, and enforces ~80% test coverage so behavior is verified in shared code. Works at scale but iOS framework/diamond-dependency issues force bundling modules and add friction.
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chapters (17)
- 0:00Intro
- 0:33About KMM
- 1:04History
- 2:03Mobile Order Payments
- 3:12Redesign
- 4:01Architecture
- 4:55Local Architecture
- 5:51Module Architecture
- 6:55Market Picker
- 7:25State Management Library
- 8:20View Model
- 9:15Composite Screen
- 10:21View Model Wrapper
- 11:40Challenges
- 12:19Dependencies
- 13:19Future plans
- 14:56Outro
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