Chat App MVVM + Clean Architecture

This Android application built using MVVM + Clean Architecture architecture approach and is written 100% in Kotlin. App uses FireBaseRealTime Database

Architecture behind the app:

Presentation Layer : UI (Activity,Fragment) and ViewModel Domain Layer : UseCases and Abstract repository interface DI : All the dependency management Data : RealTime database reference DTO and Repository Implementation Common : Resource Class

1.)Used Libraries and Architecture

• Architecture

  • MVVM + Clean Architecture
  • Android architecture components
  • Jetpack Architecture Guide

• Dependency Injection

  • Hilt

• Firebase Real Time DB

  • FireBase Real Time DB

• Async Communication and data caching

  • Kotlin Coroutines

• Navigation

  • Navigation Component

2.)Screens

 Registration : User can enter mobile and name to register then will navigate to login page
 
 ![Screenshot_20211014-083857](https://user-images.githubusercontent.com/4921099/137232663-20afc7ab-629c-49f0-8554-ab6b65b236d5.png)

 Login : Already joined just need to enter mobile number and log in

 Friends : List Of contacts who already joined

 Chat Room : Click item and navigate to chat room and start chatting

3.)Check List

• Ui Implementation - Done
• SOLID implementation - Done MVVM with Clean Architecture
• Latest Android Studio - Done Android Studio Arctic Fox |2020.3.1
• Development History - I guess will be able to us local history
• Unit Test - No unit tests or integration tests