An Android & iOS application ChatGPT like made with Compose Multiplatform

Stack

• 💄 Compose Multiplatform for the UI on Android & iOS
• 🎨 Material 3 for the Design System
• 🧠 OpenAI Kotlin for OpenAI API client
• 🧭 Voyager for the navigation library
• 💡 Koin for the dependency injection framework
• 🗃️ SQLDelight for native SQLite database
• ⚙️ Multiplatform Settings for saving simple key-value data
• 🧑‍🎨 Coil3 for displaying images from URL
• 🔊 Napier for easy logging
• 🔨 BuildKonfig for BuildConfig for Kotlin Multiplatform Project
• 🔥 Firebase Analytics & Crashlytics for usage and crash reporting
• 💸 AdMob for ads revenue

Architecture

The app architecture is based on the latest guidelines from Google. You can take a look here for more information and here for an official example.

Gettings started

Compose AI use the OpenAI API with gpt-4o-mini the get the responses. We need to setup your own OpenAI API key before launching the app.

• Create your OpenAI developper account here
• Create a new API key here or use an existing one
• Open the local.properties in the root of the project
• Add your key like this openai_api_key=[YOUR OPENAI API KEY HERE]

Sources

Here are some of the websites or repositories that helped me to create this project:

• Compose Multiplatform iOS / Android template
• The #compose-ios channel on the official Kotlin Slack
• KMPStarterOS : Open source template for Kotlin multiplatform and Compose by @LouisDuboscq

I want to thank all the whole Jetbrains team for making Compose Multiplatform possible, and all the amazing community that surrounds it ❤️