Cartero : A realtime chat application

A real-time chat interface where multiple users can interact with each other by sending messages. This app was made with kotlin. This is a part of the #30daysofKotlin challenge by google dev India.

Targeted Features

• User is asked to authenticate himself on entering the app using google sign-in, email, etc.
• User can see an input field where he can type a new message
• By pressing the enter key or by clicking on the send button the text will be displayed in the chat box alongside his username (e.g. John Wick: Hello World!)
• The messages will be visible to all the Users that are in the chat app (using Firebase Realtime Database)
• When a new User joins the chat, a message is displayed to all the existing Users
• Messages are saved in a database
• User can send images, videos and links which will be displayed properly
• User can select and send an emoji
• Users can chat in private
• Users can join channels on specific topics

External Libraries / Dependencies

• Primary Language : Kotlin

• Backend : Firebase

• Glide : An image loading and caching library for Android focused on smooth scrolling

• Firebase implementation 'com.google.firebase:firebase-analytics:17.2.2'

• Firebase Realtime DB implementation 'com.google.firebase:firebase-database-ktx:19.3.0'

• Firebase Authentication implementation 'com.google.firebase:firebase-auth-ktx:19.3.1'

• Firebase UI Auth : implementation 'com.firebaseui:firebase-ui-auth:6.2.0'

• Firebase messaging for ntifications: implementation 'com.google.firebase:firebase-messaging:20.2.0'

• Glide implementation 'com.github.bumptech.glide:glide:4.11.0'