Kotlin Multiplatform Firebase.

Kotlin is everywhere!

This project demonstrates the benfits of kotlin multiplatform by implementating a multiplatform mobile application (Android/iOS) with firebase as a backend (Node.js) all in kotlin.

The application is using Firestore to store a list of posts and firebase functions to send notifications for new posts.

Modules.

• common-all - Multiplatform Module - shared code between clients/server.
• common-client - Multiplatform Module - shared code between clients (Android/iOS).
• firebase - Node.Js app.
• android - Android app.
• iOS - iOS app.

Project Architecture

common-all

Clients/Server shared code.

• Data Models.
• Repositories.

common-client

Clients shared code.

• Presenters.

Platform specific code.

• Views.

Testing

Testing libraris

Common module testing. https://github.com/mockk/mockk

JVM

JS

Jest https://jestjs.io/

Native

//TODO

Build run and test.

Setup

1. Clone this project.
2. enable kotlin 1.3 (https://proandroiddev.com/setup-kotlin-eap-in-your-android-app-73f2c06308e5)

• if you're using the canary version of Android Studio check if kotlin 1.3 plugin is enabled for your version

https://plugins.jetbrains.com/plugin/6954-kotlin

Running the Android app.

./gradlew android:app:installDebug

Running the iOS app.

//TODO

Running the Node.js App (deploy to Firebase)

1. cd firebase/functions
2. npm install
3. ./gradlew common-all:firebaseDeploy

Testing the Node.js App.

• ./gradlew common-all:firebaseTest

Libraries used in this project

common

• Serialization https://github.com/Kotlin/kotlinx.serialization
• Multiplatform Settings https://github.com/russhwolf/multiplatform-settings
• mockk https://github.com/mockk/mockk