Build an App Like Discord with Firebase

Learn how to create a messaging app like Discord or Slack using Firebase! Firebase is one of the most popular mobile development platforms out there that helps you implement authentication and a realtime database for your apps. By Aldo Olivares.

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Who is this for?

Intermediate level Android developers who are interested in learning how to use Firebase by creating a fun app like Slack or Discord. This course expects you to be familiar with Android Studio and Kotlin programming.

Covered concepts

  • Creating a UI
  • Creating a Firebase Account
  • Setting Up Firebase
  • Firebase Data Structure
  • Firebase Authentication
  • Firebase Realtime Database

Part 1: Build the UI

01
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Build a login screen with authentication to verify that users are who they say they are.

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Your login screen is ready, but your users need to be able to create their own accounts. Work on the layout for the sign up screen.

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Create the layout for a single channel in your app. This layout will contain an icon, a channel name and a description.

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Build the layout for the messages that our users are going to send to each other, containing text, a username and a timestamp.

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No chat app is complete without a chat screen. Create the layout for the chat screen on which the users can read and write messages.

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Create the layout for a dialog that will display to users who wish to create a new channel.

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The layout of your dialog is ready. Now you need to create the fragment that will handle functionality such as calling the appropiate web services.

Part 2: Use Firebase to Build the Backend

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Create a firebase account, then set up a new firebase project to use in your app.

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Learn how to enable and configure email authentication for your Android app using Firebase.

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In this episode, learn how to add login capabilities to your app using Firebase.

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Allow users to create new accounts by submitting an email and password.

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Enable Cloud Firestore using the Firebase console, and learn about the two different kinds of databases that Firebase has to offer.

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Learn how to create documents and collections using the Firebase console.

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Create the Firestore adapter that will be used by the adapters of our app.

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In this episode, create the channel adapter for our channels screen.

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Create the adapters for our screens, then add a backend to the dialog you previously created to allow users to create new channels with a name and description.

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Learn how to use the previously created adapters to display channels in your Recycler View.

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Almost there! In this lesson, finally start sending and receiving messages with your app.

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Give your users the ability to create new channels using a dialog, and revel in your completed app!