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The line where is going to crash:

GoogleSignInAccount googleUser = await _googleSignIn.signIn();

What have I tried:

  1. I've generated my SH1 key with this command keytool -list -v \ -alias androiddebugkey -keystore ~/.android/debug.keystore
  2. Adding SH1 encryption into console.firebase.google.com
  3. Re-downloading the google-service.json
  4. Copying the debug.keystore from .android to MyProject/android
  5. Run in debug and release
  6. Adding into android/build.gradle those lines:

    • classpath 'com.android.tools.build:gradle:3.2.1'
    • classpath 'com.google.gms:google-services:4.2.0'
  7. Adding into android/app/build.gradle this lines:

    • implementation 'com.google.firebase:firebase-core:16.0.9' under dependencies
    • apply plugin: 'com.google.gms.google-services' on the end of the file.
  8. Creating a file named release-signing.properties under my project folder with those lines in it.
    • storeFile=debug.keystore
    • keyAlias=androiddebugkey
    • storePassword=android
    • keyPassword=android

Also, I've searched in ALL StackOverflow question that I could found for this question, and none of them was useful for me.

My pubspec.yaml:

firebase_core: ^0.4.0+1
firebase_analytics: ^3.0.1

cloud_firestore: ^0.11.0+2

firebase_auth: ^0.11.1
google_sign_in: ^4.0.1+3

rxdart: ^0.22.0

Auth class:

class AuthService {
  final GoogleSignIn _googleSignIn = GoogleSignIn();
  final FirebaseAuth _auth = FirebaseAuth.instance;
  final Firestore _db = Firestore.instance;

  Observable<FirebaseUser> user;
  Observable<Map<String, dynamic>> profile;
  PublishSubject loading = PublishSubject();

  AuthService() {
    user = Observable(_auth.onAuthStateChanged);
    profile = user.switchMap((FirebaseUser user) {
      if (user != null) {
        return _db
            .collection('user')
            .document(user.uid)
            .snapshots()
            .map((snap) => snap.data);
      } else {
        return Observable.just({});
      }
    });
  }

  Future<FirebaseUser> googleSignIn() async {
    loading.add(true);
    GoogleSignInAccount googleUser = await _googleSignIn.signIn();
    GoogleSignInAuthentication googleAuth = await googleUser.authentication;
    // FirebaseUser user = await _auth.signInWithGoogle(
        // accessToken: googleAuth.accessToken, idToken: googleAuth.idToken);
    final AuthCredential credential = GoogleAuthProvider.getCredential(
      accessToken: googleAuth.accessToken,
      idToken: googleAuth.idToken,
    );
    FirebaseUser user = await _auth.signInWithCredential(credential);
    updateUserData(user);
    print("Sign in" + user.displayName);

    loading.add(false);

    return user;
  }
}

Main class:

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  AuthService authService = AuthService();

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blueGrey,
      ),
      home: Scaffold(
        body: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: <Widget>[
              MaterialButton(
                child: Text("Log in with Google"),
                color: Colors.blueGrey,
                textColor: Colors.deepOrange,
                onPressed: () => authService.googleSignIn(),
              ),
              MaterialButton(
                child: Text("LogOut"),
                color: Colors.redAccent,
                textColor: Colors.purple,
                onPressed: () => authService.signOut(),
              ),
            ],
          ),
        ),
      ),
    );
  }
}

Now if any of you could point me in the right direction I would be very grateful.

Here are some stackoverflow links that I've tried already:

  1. Google sign in doesn't work after release of flutter app
  2. Flutter and google_sign_in plugin: PlatformException(sign_in_failed, com.google.android.gms.common.api.ApiException: 10: , null)
  3. Google Sign In error 12500

I didn't have luck with any of them, please let me know what do you think and how can I fix it.

Mircea
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  • When exactly do you encounter this error? – ThinkDigital May 17 '19 at 14:49
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    After I'm pressing the "Log in with Google" button I will open a pop-up where I need to select my google account. I will receive this error right after I will press on my google account. – Mircea May 17 '19 at 14:58
  • I've added on the question the line where is going to crash. – Mircea May 17 '19 at 15:07
  • Have you checked the logcat for a more detailed error message? Since it's a platform exception, it's failing in the platform side, so you'll sometimes find error messages in the android or iOS logs that you won't find in flutter – ThinkDigital May 17 '19 at 15:58

15 Answers15

58

The OP, @Mircea, specifically mentioned error 12500. This is how I overcame that error:

I have spent the last few days running into the same problem. I refactored my code dozens of times, added break points, reset the SHA-1, SHA-256 and did just about every other 'code' based solution I could find. I was constantly running into the error:

E/flutter (11935): [ERROR:flutter/lib/ui/ui_dart_state.cc(148)] Unhandled Exception: PlatformException(sign_in_failed, com.google.android.gms.common.api.ApiException: 12500: , null)

I was losing my mind so I decided to start with fresh eyes and move slowly through solutions one more time. I noticed an obscure post nestled deep in a thread that mentioned something about having a support email. It was not until I added a said support email that things "magically" started working. I've attached a screenshot below of the Firebase settings for my project.

enter image description here

MiggityMac
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20

In my case, I have not enabled Google Sign In method.

enter image description here

Jayant Dhingra
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11

You need to complete "Oauth consent screen"

I went to this page (https://console.developers.google.com/apis/credentials) Do not forget to select your project on the list (top left). Then go on "Oauth consent screen"

I filled the application logo and the application homepage link and aplication privacy policy link (with the project.firebaseapp.com) and saved.

enter image description here

Now it's working, I can login.

This must be explained in the documentation. People are going to be crazy and to don't try flutter with this kind of lack of documentation.

Xero
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    I added a logo like you suggested and it miraculously worked. Bit ridiculous but at least it's sorted now! – Tom O'Sullivan Jul 24 '19 at 13:21
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    Oh, Lord! This was a life saver. I was breaking my head with SHA 1 and google-services.json – Harikrishnan Jul 30 '20 at 16:03
  • Doesn't seem to fix it for me. Furthermore, once I add an Icon it seems that I need to verify this with google, wich can take up to 6 weeks. I have literally tried everything on Stackoverflow but nothing seems to work... – Jonas Jan 26 '23 at 16:25
7

In my case, the problem was due to incompatible emulator. The emulator didn't had playstore.

I created a new AVD which has playstore in it. And then it worked!

Reference to create new emulator with Playstore

Also, verify that you have added the SHA1 key on firebase console.

Akshay Chopra
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3

I faced the same issue, I resolved it by adding the debug / release SHA1 and SHA256 certificate fingerprint using Keytool

Release

keytool -exportcert -list -v -alias <your-key-name> -keystore <path-to-production-keystore>

Debug

keytool -list -v -alias androiddebugkey -keystore %USERPROFILE%\.android\debug.keystore

More details here: https://developers.google.com/android/guides/client-auth

Aravin
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3

change your émilator to anothoer one how support google play store

  • Your answer could be improved with additional supporting information. Please [edit] to add further details, such as citations or documentation, so that others can confirm that your answer is correct. You can find more information on how to write good answers [in the help center](/help/how-to-ask). – Community Sep 17 '21 at 11:04
1

I also tried almost all answer that I can search from internet.So I decide to tried ios side then it still give me error "403 restricted client".Then I determine it's server side issue .Finally I found that Forgot to set support e-mail address in Google Developers Console > API and service > certificate > user consent screen link and this option also in your Firebase project setting .After set up everything should work.Hope this will help you.

flutroid
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1

I ran exatly into the same issue, what solved the issue for me was to add a SHA-256 fingerprint additionally to the SHA-1

as mentioned here -> Flutter and google_sign_in plugin: PlatformException(sign_in_failed, com.google.android.gms.common.api.ApiException: 10: , null)

Hope that works for you too!

m_wer
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1

After following all the steps mentioned in the documentation, even I was facing the same issue. One thing worked for me is adding the support email in the setting page of firebase console

Farmaan Elahi
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1

Go to the API & Servcies page of your google account and make sure to select the project of your interest in the top left corner as shown below

enter image description here

Make sure you have the support email ID entered in the above

And all the below fields must have a value

enter image description here

Try logging in now, it will work!

1

POSSIBLE CASE 2023

I had to face this problem too, during testing everything was working fine, but when I changed my project (actually build.gradle was the problem) to release mode the sign in process stopped to work as it was used to.

I tried to fill all the fields on Oauth consent screen (https://console.developers.google.com/apis/credentials), but nothing changed.

I also tried to check my SHA on Firebase, but both SHA-1 and SHA-256 were there.

As last resource I wanted to check my current SHA so in app/android folder I runned: ./gradlew signinReport and I found out that the SHA were changed.

So I uploaded them on Firebase and now everything is working fine.

In the end, check the SHA twice.

Elia Mirafiori
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0

had the same issue was using visual studio when I changed to android studio it worked. I guess because I am signed into firebase with android studio i wander if i can do the same with VS oh well hopefully this helps someone

theeseus
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0

Just to add to this already huge list of ideas. After trying all of the things listed here I was still getting the error.

I had to add myself as a test user under the OAuth Consent Screen.

Fernker
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0

In my case, I forgot to enable To add users manually, enable Email/Password as a sign-in method enter image description here

  • As it’s currently written, your answer is unclear. Please [edit] to add additional details that will help others understand how this addresses the question asked. You can find more information on how to write good answers [in the help center](/help/how-to-answer). – Community Feb 22 '22 at 13:37
0

Check Application ID:-

Package Name on Google api console and Application Id in your app must be same, in my case it was different,

enter image description here

Deven
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