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Tag: google-sign-in

2 posts

2026-10-20 errors flutter android

Fix: PlatformException(sign_in_failed, com.google.android.gms.common.api.ApiException: 10) with Google Sign-In in Flutter

ApiException: 10 is DEVELOPER_ERROR: Google does not recognize the package name plus signing certificate SHA-1 of the installed APK. Register the SHA-1 of the key that actually signed the build, and pass the Web client ID as serverClientId.

2026-08-20 errors flutter dart

Fix: The class 'GoogleSignIn' doesn't have an unnamed constructor

google_sign_in 7.0.0 made GoogleSignIn a singleton. Replace GoogleSignIn(scopes: ...) with GoogleSignIn.instance, await initialize() once, then call authenticate().