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+# Simple Chat with Jetpack Compose and Firebase
+<p align="center">
+  <img src="screenshots/simple-chat-light-theme.png" />
+  <br/><img src="screenshots/simple-chat-dark-theme.png" />
+</p>
+
+Project created with the purpose of learning more about Firebase and practicing **Jetpack Compose** even more.
+
+## Functionalities
+
+• User registration with email and password.  
+• One-to-one chat with registered users.  
+• Listing of all registered users.  
+• Light and dark theme with choice option.  
+
+## Architecture
+
+• Project: [MVVM](https://developer.android.com/jetpack/guide), using **Flow** and **LiveData**, in addition to dependency injection (DI) with [Dagger-Hilt](https://developer.android.com/training/dependency-injection/hilt-android). The project also uses **coroutine** with Firebase.
+
+• Firebase Firestore:  
+***users/**: All registered users.  
+***chat_messages/*roomId*/messages/**: Messages from users, having as **roomId** an ID generated from the two **userId** of the conversation.  
+***last_messages/*userId*/messages/*conversationUserId/***: Last messages from each user.  
+
+## Firebase
+
+• [Auth](https://firebase.google.com/docs/auth): Used for user authentication with email and password.  
+• [Firestore](https://firebase.google.com/docs/firestore): Realtime database for saving user and conversation information.  
+• [Storage](https://firebase.google.com/docs/storage): to store users' profile pictures.  
+
+## Clone
+
+After cloning the repository, follow the steps of [Firebase project setup](https://firebase.google.com/docs/android/setup) and add your **google-services.json** file to the project.
+
+## Libraries used
+
+[Navigation Compose](https://developer.android.com/jetpack/compose/navigation): used to support the Navigation Component in Jetpack Compose.  
+[Acompanist](https://github.com/google/accompanist):  
+- Pager: used to create a component similar to ViewPager.  
+- Navigation Animation: used to create animations when using Navigation Compose. 
+
+[Coil](https://github.com/coil-kt/coil): used for image loading. 
+
+## Possible future features
+
+- [ ] Push notification when sending message.  
+- [ ] Profile editing/viewing.
+
+## License 
+```
+MIT License
+
+Copyright (c) 2021 Ericks
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+```