ChatApp

Description

A mobile client for the Zulip API.

Features

• Create your own channel ("+" button on the screen with channels Channels Fragment)
• Open messages for both the channel (long tap on the channel in Channels Fragment) and the topic (click on the topic in Channels Fragment)
• Write to different topics with topics suggestions (possible only from the chat channel in ChatFragment)
• Open channel topic from channel chat to ChatFragment (click on the topic)
• Add and remove reaction to message
• Delete, edit and copy a message (long tap on message in Chat Fragment)
• Send message or upload a file (button in Chat Fragment)
• Search messages, users and channels (channels search temporarily is not working)
• Light and Dark theme

To start

To fully work with the Zulip API used in the application, an account and organization are required.

1. Create account and organization
2. Add the following line to the local.properties file, base_url is the URL of the organization that was used when creating the organization
3. Start an app, log in using your email address and password

base_url=<organization URL`>

Arhitecture

The application follows the principles of clean architecture, the presentation layer implements the UDF architectureusing using Elmslie library. Example implementation of the feature:channel module

Modules

Module	Type	Description
:core:common	Java/Kotlin Library	Common Kotlin classes
:core:components	Android Library	UI components, extension functions, base Andorid classes
:core:network	Android Library	Network work
:core:auth	Android Library	Common authorization logic
:core:ui	Android Library	Themes, styles, shapes and other resources used by modules.
:core:ui-compose	Android Library	Themes and base composables
:feature:channels	Android Library	Channels and topics
:feature:chat	Android Library	Channel or topic messages, message mofifications (editing, deleting, adding or removing reactions etc)
:feature:profile	Android Library	User profile
:feature:users	Android Library	Information about all users in the organization
:feature:auth	Android Library	Login and signup

Tech stack

• Coroutines, Flow
• Retrofit 2
• OkHttp
• Kotlin Serialization
• Coil
• Jetpack Paging 3
• Android Navigation Component
• ViewBinding
• Compose
• Facebook Shimmer
• Dagger2
• Elmslie
• Room
• DataStore
• Timber
• Leak Canary