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What is the necessity of organizing layers according to the principles of Clean Architecture in a system?

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Answer from AI

Organizing layers according to the principles of Clean Architecture in a system is necessary for:

  • Separation of concerns: each layer is responsible for its part of the logic (e.g., UI, business logic, data handling).

  • Simplifying maintenance and testing: changes in one layer minimally affect others.

  • Increasing modularity and reusability of code.

  • Ensuring independence from frameworks and technologies: business logic does not depend on UI or database implementation details.

  • Improving scalability and flexibility of the project.

In Android applications, this is usually expressed by dividing into layers: Presentation (UI), Domain (business logic), Data (network and database operations). For example, ViewModel interacts with UseCase from the Domain layer, and UseCase interacts with repositories from the Data layer.

This approach helps create more resilient and easily maintainable applications.