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CLean

The document outlines how Clean Architecture enhances the MVVM pattern by introducing multiple layers for improved separation of concerns and scalability. Key components include Entities for core business logic, Use Cases for application-specific logic, User Interface for UI and ViewModels, and Repositories for data access. This structure promotes maintainable and reusable code, particularly in large projects.

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12 views1 page

CLean

The document outlines how Clean Architecture enhances the MVVM pattern by introducing multiple layers for improved separation of concerns and scalability. Key components include Entities for core business logic, Use Cases for application-specific logic, User Interface for UI and ViewModels, and Repositories for data access. This structure promotes maintainable and reusable code, particularly in large projects.

Uploaded by

Amazing Deals
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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MVVM + Clean Architecture

"Clean Architecture" complements MVVM by further breaking down the architecture into multiple layers for better
separation of concerns, scalability, and adherence to the Dependency Rule (higher-level layers should not depend on
lower-level ones; instead, they depend on abstractions). This results in more structured and maintainable code,
especially for large projects.

Key Components:

1. Entities (Domain Layer):

- Represents the core business logic (e.g., business rules, calculations).

- Independent of frameworks and external layers to ensure maximum reusability.

- Pure Swift code designed to remain agnostic to how it’s used.

2. Use Cases (Application Layer):

- Contains the specific application logic (e.g., processing user actions, interacting with the data layer).

- Coordinates between Domain and Data layers.

- Directly called by the ViewModel.

3. User Interface (Presentation Layer):

- Views (UI) and ViewModels (MVVM reside here).

- Implements UI components and connects ViewModels to the application logic via use cases.

4. Repositories (Data Layer):

- Abstracts access to data sources (e.g., REST APIs, SQLite, CoreData, etc.).

- Responsible for fetching and storing data, but does not contain business-specific rules.

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