TODOs and questions to self

• Rewrite the Colors and light/dark mode compatibility!
• Should we have separate theme for each UI module ?
• How to handle dynamic theme colors ?

🏗️️ Built with ❤️ using Jetpack Compose 😁

| What | How |
|---------------- |------------------------------ |
| 🎭 User Interface (Android) | Jetpack Compose |
| 🏗 Architecture | Clean |
| 💉 DI (Android) | Hilt |
| 🌊 Async | Coroutines + Flow |
| 🌐 Networking | Retrofit |
| 📄 Parsing | KotlinX |

Languages, libraries and tools used

• Kotlin
• AndroidX libraries
• Android Architecture Components
• Android Data Binding
• Dagger 2
• Retrofit
• Kotlin Coroutines

Architecture

SlackClone follows the principles of Clean Architecture with Android Architecture Components.

Architecture's layers & boundaries:

UI Layer contains UI (Activities, Composables, Fragments) that are coordinated by _
ViewModels which execute 1 or multiple UseCases._ Presentation Layer depends on Domain Layer.

Domain Layer is the most INNER part of the circle (no dependencies with other layers) and it
contains Entities, Use cases & Repository Interfaces. Use cases combine data from 1 or multiple
Repository Interfaces.

Data Layer contains Repository Implementations and 1 or multiple Data Sources. Repositories
are responsible to coordinate data from the different Data Sources. Data Layer depends on Domain
Layer.

Notes: Mapping between response models and transformed models will happen via extension
functions defined in transformed model file

When writing a new ui module

• First, Create a new android library module
• Make sure to copy build.gradle.kts from other ui module and paste it in your ui-module
• We need one fragment to host the composables, this fragment will be added to main nav graph.
• the routing within compose world is handled with Compose Navigator
• and to move out of one ui module you need to use the fragment navigator!

Conventions:

Files are suffixed with be defined Class types.

• ViewModels are suffixed with VM. Ex: LoginVM
• UseCases are suffixed with UseCase. Ex: LoginUseCase
• Sources are suffixed with Source. Ex: LoginRemoteSource, LoginLocalSource
• Repositories are suffixed with Repo. Ex: LoginRepo

Conclusion

This project can be used as a template for new apps. This project is continually evolving to
integrate other libraries and techniques to keep it up to date.