Grox: a library to manage the state of Java / Android apps
summary
Grox is an open source Java/Kotlin library that provides a unidirectional state machine with a Store that atomically replaces immutable states, serializes actions by default, and exposes an RxJava observable of states. Commands run asynchronous work (network, file IO) and emit observables of actions; middleware works like OkHttp interceptors to log, undo or replay. The library ships as three modules, integrates with RxBinding, AutoValue and FeatureAdapter, and powers Groupon’s large app (50+ devs) with time-travel debugging.
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chapters (10)
- 0:00Introduction to Grox
- 1:12Problem with app state
- 5:25Introducing the Store concept
- 11:55Core library components
- 16:11Actions and states
- 18:03Middleware in Grox
- 21:40Commands module
- 24:30Putting it all together
- 26:35Benefits and scaling
- 28:21Q&A
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