ChatO

About this app

ChatO is a Messaging app with many features, the most important one is Chatting with friends. You can also chat in groups, create your OWN group 'Community'

Features of ChatO

• Realtime Messaging
• Group Chat
• Private Chat
• Push Notifications to notify you when there's a new message
• Joining an existing group, based on your interests or other interests you can select from.
• Selecting your interests and topics that grab your attention
• Creating a new group based on a category
• Authentication with Google / Email&Password

Project Architecture

MVI (Model-View-Intent)

Seperation of UI and Logic, declaring the screen 'Intents' on a ScreenNameIntent.kt file and States which the UI follows on a ScreenNameState.kt file

Data flow: DataSource <-> Repository <-> ViewModel <-> UI

Frameworks and Libraries used

• Firebase (Authentication, Database, Storage and Push Notifications with FCM)
• Room (Caching)
• DataStore (Another way of caching)
• Coroutines (Asynchrounos and Reactive Programming)
• ViewBinding (Binding layouts to Activites/Fragments)
• Dagger Hilt (Dependency Injection)
• Sdp/Ssp (Responsive design)
• Gson (Serialization)
• Glide (Image loading)
• Retrofit (HTTP Requests. Used with FCM)
• Shimmer (Image preloading effect)
• Design with XML

Gallery

Video: https://drive.google.com/file/d/1-0gGj1pxl0PI76H1n2rZhepMKuR62qCN/view?usp=sharing