Applying Flux Architecture to Android: A Detailed Overview
This article explains how the Flux data‑driven architecture, originally created for Facebook's web client, can be adapted for Android applications, describing its four core modules, their interactions, and a practical ToDoList example with code snippets.
Flux is a data‑driven architecture originally used by Facebook for web clients, and it can also be applied to Android applications.
The architecture consists of four main modules: View, ActionCreator, Dispatcher, and Store. The View (an Activity) captures user interactions and forwards them to the ActionCreator.
The ActionCreator creates actions based on the event type and data, optionally performing Web API calls, and sends them to the Dispatcher.
The Dispatcher acts as a central hub, using an EventBus to deliver actions to the Store, where the state is updated according to the action type.
The Store maintains the application state, emits change events, and the View listens to these events to refresh the UI.
An example ToDoList app demonstrates the full flow: user actions trigger ActionCreator methods such as checkAll() , the Store processes the resulting state change and emits onTodoStoreChange , and the View updates the UI via updateUI .
Key dispatcher methods include dispatch() , which packages the type and data into an Action, and emitChange() , which notifies the View of updated state.
The article also provides links to the source code repository and references to the original Chinese blog.
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