Strong typing from the server to the UI with GraphQL
summary
GraphQL powers Facebook’s apps and claims 300 billion requests per day. Apollo iOS is a Swift client that codegenerates query-specific Swift types from the server schema, gives compile‑time validation in Xcode (syntax highlighting, fragments, and immediate errors when fields are missing), and ships a normalized cache with optimistic updates and realtime subscriptions. The system uses mutations that return updated objects, supports SQLLite caching, and produces reactive UI updates without manual model wiring.
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chapters (11)
- 0:00Introduction and speaker intro
- 1:05What is GraphQL and its origins
- 6:29Problems with REST APIs for mobile apps
- 10:00How GraphQL solves these problems
- 14:01GraphQL developer experience and tools
- 18:43Setting up a GraphQL server
- 21:35GraphQL client challenges in Swift
- 25:27Apollo iOS and static type safety
- 30:30Normalized caching and UI updates
- 36:14Apollo clients and community growth
- 39:53Future of GraphQL and React Native integration
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