Flutter's Architectural Layers: UI and Data
Source: docs.flutter.devbeginner
Think of a Flutter app in two parts: the UI layer for what the user sees, and a data layer for fetching and managing information. This separation is crucial for apps with APIs or complex state.
Think of a Flutter app's architecture in two layers: the UI layer (widgets) for what the user sees and interacts with, and the data layer for fetching, storing, and managing information. This separation is vital for any app handling API data or complex state. The biggest footgun is mixing business logic, like API calls, directly inside UI widgets. This creates tightly coupled code that's difficult to test, reuse, and debug.
Read the original → docs.flutter.dev
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