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Version: SDK-5.11.6

Google Cloud Platform Settings for Android

The app must be registered to the Google Console to use Google Login with Android.
If the app is registered, skip to [Create a project in Google Cloud Platform] (#2-Create-a-project-in-Google-Cloud-Platform).

1. Register the application to Google Play​

Google Play Console > Create app > Release > Production or (Open, Closed, Internal) testing > Create new release

  • 1) From Google Play App Signing, click Continue to register the app signature and issue the App Signing Key Certificate.

  • 2) Upload APK or App Bundle to issue Upload Key Certificate.

  • 3) The issued app signature can be checked from Setup > App Integrity on the left. It is later used to register the app to Google Cloud Platform.

2. Create a project in Google Cloud Platform​

  • 1) Google Cloud Platform > Select a project > Create a new project

  • 2) Enter the desired name for the project and click CREATE.

  • 3) After selecting the project, click APIs & Services > OAuth consent screen on the sidebar.

  • 4) Set User Type to External.

  • 5) Enter the required fields (App name, User support email, and Developer contact information) and click SAVE AND CONTINUE.

  • 6) In Scopes, skip all the fields and click SAVE AND CONTINUE.

  • 7) Add an account that will test the 'Sign in with Google' function.

3. Create client IDs for Android authentication​

To use the 'Sign in with Google' function in Android, you must create the following three client IDs.

  • Android client ID created with an app signing key
  • Android client ID created with an upload key
  • Web client ID that will send a request from the SDK to the server

3-1. Create an Android client ID using an app signing key​

1) Select Create credentials > OAuth client ID.

2) Set Application type to Android and enter the Package name of the app to upload to Google Console.

3) From Google Console - Selected app - Settings - App integrity, copy the SHA-1 certificate fingerprint of the App signing key certificate and paste it into SHA-1 certificate fingerprint.

4) Click CREATE.

3-2. Create an Android client ID using an upload key​

1) Select Create credentials > OAuth client ID.

2) Set Application type to Android and enter the Package name of the app to upload to Google Console.

3) From Google Console - Selected app - Settings - App integrity, copy the SHA-1 certificate fingerprint of the upload key certificate and paste it into SHA-1 certificate fingerprint.

4) Click CREATE.

3-3. Create a Web client ID to use in Unity​

1) Select Create credentials > OAuth client ID.

2) Set the Application type to Web application.

3) Click CREATE.

4. Copy the Client ID for web​

3-3 Copy the client ID of the web client created in Step 3-3. The value is used as an argument for webClientId of BackendFederation.Android.GoogleLogin() in Android Google Login Code.

Configure through the BACKND ToolKit Inspector​

After installing the BACKND Google Login SDK, you can enter the Web Client ID in the Android field by clicking the upper taskbar of Unity > TheBackend > ToolKit > GoogleLogin Settings.