Flutter Practice Patterns State Management

Starting with the fundamentals and taking concrete examples, the guide will build up knowledge on state management patterns and how to apply those patterns.
Through fundamental Flutter state management it builds up using the concepts of Store, Action, Reaction using MobX as well as service locator and service dependency injection using GetIt to show how to build actions in lower level widgets to update widgets higher in the tree.
With Go Router, we bring state to urls for those more familiar with the web. Using simple key states in Go Router, this information can be pushed to MobX stores to retrieve key information that can be used to bootstrap stateless widgets.
Not all state changes are a result of user actions. Looking at streams we can show how to use Timers to cause reactions based on listening to reactive streams.
The final project in the book explores Firebase and how to create applications that react to external stream updates using real time sync of no sql collections and documents using Firestore. This technique was an important pattern used to cause stimuli from external systems (like NPR cameras for example) that can cause a backend update to Firestore. Your Flutter app can listen for this updated and display the changed state.



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