Zero to App: Live coding a Firebase app in JavaScript, Kotlin, and Swift

This is the code from a live coding session at Google I/O 2017. During the session we built an emoji-centric picture-chat app on three platforms simultaneously.

Talk details

Before you dive into the code, watch the talk on YouTube. This code makes a lot more sense with context.

Oh, and the game is still live at mojaic.io!

Speakers

• Frank van Puffelen
• Jen Tong
• Kat Fang
• Mike McDonald

What's here

• /android-app - The Android app that Jen wrote on stage, including implementations in Java and Kotlin.
• /ios-app - The iOS app that Mike wrote on stage.
• /public/firestories-complete.html - The web application that Kat live coded on stage.
• /public/index.html - The emoji mosaic game on [mojaic.io].
• /functions - The cloud functions that Kat and Frank wrote on stage.

Contributing

Please read and follow the steps in the CONTRIBUTING.md

License

See LICENSE

Disclaimer

This is not an official Google product.

This code is provided for reference purposes. It hasn't been prepared for easy use as an independent sample. In other words, you can probably deploy this code, but you'll need to work at it a bit :)