Create a Firebase project

Go to console.firebase.google.com and sign in with your Google account.

1. Click Get started by setting up a Firebase project (in some consoles, Create a project or Add project).
2. Type a name — your app's name is fine.
3. Tick I accept the Firebase terms and click Continue.
4. Google Analytics is optional for push notifications. Leave it on or switch it off, then click Create project.
5. When it says Your new project is ready, click Continue.

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On the project's home page, under its name, click the Android icon.

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1. Type your Android package name — exactly the one in your app (its applicationId) and in PusherHub. The nickname is optional, and you don't need the SHA-1 for push.
2. Click Register app.

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3. Click Download google-services.json.
4. Put that file in your Android project's app folder — in Flutter and React Native, android/app.
5. Click Next through the remaining steps and Continue to console. PusherHub's SDK steps cover the rest.

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1. Back on the project's home page, click Add app › the iOS+ icon.
2. Type your Apple bundle ID — the same as in Xcode and in PusherHub — and click Register app.
3. Click Download GoogleService-Info.plist and drag it into your Xcode project, next to Info.plist, with your app's target ticked.

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iPhones need one more step — your Apple push key: iOS push notifications: add your Apple push key to Firebase.