[SOLVED] Flutter : PlatformException(sign_in_failed, com.google.android.gms.common.api.ApiException: 10: , null, null)

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ERROR

PlatformException(sign_in_failed, com.google.android.gms.common.api.ApiException: 10: , null, null)

SOLUTION

The following solution works in the flutter project:

Step 1: Generate SHA1 and SHA256 keys. (Don’t know how to generate SHA1 and SHA256 keys. Click Here)

Step 2: Add both the SHA1 and SHA256 to firebase. (in your app settings)

Step 3: Download google-services.json to android/app in your project folder.

Step 4: In your terminal run the command flutter clean. Step 5: Run your flutter app.

For more information visit:
https://developers.google.com/android/guides/client-auth
https://firebase.google.com/docs/flutter/setup

That’s All.

Thanks for Reading.

Keep Coding.