---
title: "Discussion on \"Chapter 5 - Coding the first Use case (Domain layer)\" | Hashnode"
description: "Discussion on \"Chapter 5 - Coding the first Use case (Domain layer)\". The use case GetArtUseCase is the first use case we will code.\nThis use case will fetch a list of images from the Room DB locally. This list will help us to carve out the first screen displayed to the end user. The screen composable will be coded in ..."
url: "https://hashnode.com/posts/chapter-5-coding-the-first-use-case-domain-layer/690129e2dac1369f2b068cd3"
---

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# [Chapter 5 - Coding the first Use case (Domain layer)](https://androidavatar.hashnode.dev/chapter-5-coding-the-first-use-case-domain-layer?utm_source=hashnode&utm_medium=feed)

The use case GetArtUseCase is the first use case we will code. This use case will fetch a list of images from the Room DB locally. This list will help us to carve out the first screen displayed to the end user. The screen composable will be coded in ...

Oct 27, 2025 · 5 min read · androidavatar.hashnode.dev  
Updated Oct 30, 2025  
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-   [#domain](https://hashnode.com/tag/domain)
-   [#use-cases](https://hashnode.com/tag/use-cases)
-   [#android-app-development](https://hashnode.com/tag/android-app-development)
-   [#android](https://hashnode.com/tag/android)
-   [#clean-architecture](https://hashnode.com/tag/clean-architecture)
-   [#room-database](https://hashnode.com/tag/room-database)
-   [#kotlin](https://hashnode.com/tag/kotlin)
-   [#flow](https://hashnode.com/tag/flow)
-   [#list](https://hashnode.com/tag/list)
-   [#interface](https://hashnode.com/tag/interface)
-   [#repository](https://hashnode.com/tag/repository)

## Written by

[Ganesh Rama Hegde](https://hashnode.com/@hegde10122)

@hegde10122 · Mumbai,India

  
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