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  • ABE HASKINS: Hey there, Unity developers.

  • Do you want a game which has detailed user-based analytics,

  • a game which you can tweak and run experiments on remotely,

  • a game which is social and sharable from the start?

  • Well, you've come to the right place.

  • Let's get started with Firebase and Unity

  • on this episode of "Firecasts."

  • [MUSIC PLAYING]

  • We're going to cover five steps to go from an empty Unity game

  • to a game that's ready to be shipped on iOS and Android.

  • First, we'll open up a Unity project.

  • Second, we'll download the Firebase SDK.

  • Third, we'll install that Firebase SDK into Unity.

  • Fourth, we'll configure a new Firebase project

  • to be used in our Unity game.

  • And fifth, we'll compile our game for iOS and Android.

  • Are you ready?

  • Let's get started.

  • First, open up the Unity editor.

  • In our case, we'll be making a new game.

  • But don't worry if you already have an existing game which

  • you want to add Firebase to.

  • The process is going to be exactly the same.

  • Just open up your existing game instead of making a new one,

  • like I'm doing.

  • Once we've opened our project, we'll

  • see the editor with the inspector scene

  • view and everything else you'd expect.

  • Note the empty inspector on the right side.

  • This is where our Firebase panel will

  • live once the SDK is installed.

  • But before Firebase can start adding cool features to Unity,

  • we need to install Firebase.

  • Let's hop over to the Firebase docs and download the latest

  • Firebase SDK for Unity.

  • At this point, you probably already know

  • if you want to make an iOS game or an Android game or both.

  • But the great part about Unity is

  • that we can make a game that works for both these platforms

  • with only one code base.

  • This means that regardless of the mobile platform

  • you want to build for, you'll download just the one SDK,

  • the Firebase SDK for Unity.

  • This download comes as a ZIP.

  • And when you extract it, you'll see a bunch of files with

  • a .unity package extension.

  • Let's take a second to talk about Unity asset packages.

  • These packages are a standard way in the Unity world

  • to distribute reusable code.

  • If you're familiar with other programming tools,

  • you've probably included an external library

  • into a project.

  • Unity asset packages are a lot like this.

  • It's a way to distribute things for other developers to use.

  • It's worth understanding that a Unity asset package can contain

  • lots of different stuff.

  • It's not just code, like a normal library.

  • Asset packages can contain images, textures, 3D models,

  • examples, and yes, code.

  • Firebase has a lot of features.

  • And you don't need to use all of them in your game.

  • Each Firebase feature has its own asset package.

  • So if you only want to use Firebase Analytics

  • or you only want to use Firebase Database,

  • you can include just that package.

  • Let's go with the simplest feature to implement,

  • Firebase Analytics.

  • In the Unity editor, go to Assets,

  • Import Package, Custom Package.

  • Then browse to where you extracted the Firebase SDK

  • and select the FirebaseAnalytics.unity package

  • file.

  • Unity will take a moment to extract the package.

  • Then you'll be prompted to select

  • which files from the package you want to import.

  • We can see this asset package taking advantage of the fact

  • that asset packages can contain non-code assets.

  • The first thing to show up in this package

  • are a bunch of icons which are used for the Unity editor

  • plugin.

  • We don't need to pick and choose what to import here.

  • So just click Import and let Unity do its magic.

  • After another second, you'll be back in the Unity editor.

  • But it'll have a few key changes.

  • First, your Assets folder will allow contain some new folders.

  • And second, your editor now has the Firebase plugin enabled.

  • Once the spinner in the bottom right has stopped,

  • you'll be able to start using Firebase.

  • If you haven't already, it's a good time

  • to save your Unity scene.

  • If you're working off a new project,

  • this won't be done automatically.

  • So just go to File, Save Scene.

  • This will save the scene in your project.

  • And if you don't know what to call it,

  • just call it something exciting and original, like "Game."

  • Once we have a saved scene, we can bring out the Firebase pane

  • in our editor.

  • In your menu, go to Window and click on Firebase.

  • Now, depending on your editor setup,

  • the Firebase pane may show up as a floating window,

  • or it may show up near the Inspector tab.

  • Just find it, wherever it is.

  • The Firebase plugin will help you

  • get started with any Firebase feature

  • by linking you to setup guides, code samples, and the API

  • reference.

  • You'll notice the very first thing

  • the plugin shows is advice on connecting

  • your game to your Firebase project's Android or iOS app.

  • Like I talked about before, Unity

  • has the ability to build games for iOS and Android.

  • Firebase and Unity both work great on these platforms.

  • But there is some minor work needed

  • to set up both of these platforms for your Firebase

  • and Unity project.

  • Let's start by making a new project on the Firebase console

  • at firebase.google.com.

  • Once you've created a project, you'll

  • be greeted with a screen asking you

  • if you'd like to make an iOS app, an Android app, or a web

  • app.

  • A Firebase project may contain many apps.

  • This means you'll only need one Firebase project,

  • even if you're building both an Android and iOS

  • version of the same game.

  • I'll be showing you how to build a cross-platform game.

  • But if you're only interested in iOS or Android,

  • you can just do that one.

  • Let's click on the Add Firebase to Your iOS App button.

  • We'll enter a few basic details.

  • And then on step two, it'll download a GoogleServices.plist

  • file.

  • This is a configuration file that

  • will tell the Firebase Unity SDK what project to connect to.

  • Back in Unity, we'll drag this plist file

  • into the root of our Assets folder.

  • And the Firebase SDK will automatically detect it

  • when we build our app for iOS.

  • This is another situation when you

  • need to watch that spinner in the bottom right

  • and make sure it's completed.

  • If you want to do the same thing on Android,

  • then click on the Add Firebase to Your Android App button

  • and enter that same basic information.

  • And the second step, you'll be given a GoogleServices.json

  • file.

  • And just like with the plist, we'll

  • drag this file into the root of our Assets folder in Unity.

  • Once you've gotten your configurations in place,

  • you'll be able to go into your file Build and Run menu

  • and build your game.

  • Switching between platforms is as

  • easy as selecting that Switch Platform buttons in the Build

  • Settings menu.

  • Once we have deployed our game, the debug messages

  • will show us that Firebase Analytics

  • is enabled and reporting back to your console.

  • Congrats.

  • You've gotten your first Firebase library up and running

  • inside of your Unity game.

  • But this is really just the start.

  • There's a lot more Firebase can do inside of Unity,

  • like saving your users' data to the cloud

  • with the real-time database, tweaking game play

  • settings on the fly with Firebase Remote Config, adding

  • notification support with Firebase Cloud Messaging,

  • and a whole lot more.

  • If you want to learn more about what Firebase and Unity can

  • do together, check out our Unity docs, linked in the description

  • below, and subscribe to the Firebase YouTube channel.

  • In the meantime, thanks for watching.

  • I'm heading back to the arcade.

  • [MUSIC PLAYING]

ABE HASKINS: Hey there, Unity developers.

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Getting Started with Firebase for Unity - Firecasts

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    908267264 posted on 2017/08/18
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