Praxis

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Example Android project using MVVM, DaggerAndroid, Jetpack Compose, Retrofit, Coroutines and Multi module architecture ✌🏽

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# Praxis
2022 Hit Refresh! Praxis now loves ❤️ Jetpack Compose

This is a sample app written in Kotlin following clean architecture principles which uses slack app features as an example.

The purpose of this app to showcase:
- Implementation of Jetpack Android Architecture components with Dagger Hilt and Data Binding to minimize boilerplate code.
- Implementation of an architecture that will support both XML and the new Compose.
- Implementation of Modular Multi Module Navigation Architecture.
- Performing background task with Kotlin Coroutines

# Requirements
1. Android Studio : Arctic Fox | 2020.3.1	3.1 or higher
2. Android Emulator or Physical android device

# Built With 🏗

## Architecture
### Praxis follows the principles of Clean Architecture with Android Architecture Components.

### Architecture's layers & boundaries:

**Presentation Layer**  contains  _UI (Activities & 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

### 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.

Praxis

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