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Firebase Auth Ui Google Login Developer Error

I have a project using firebase and firebase auth ui library. The problem is that I can’t log in using Google login when I try to download it for a second or two, and then just displays a toast message with the message “Developer error”. I can login with email and password. And this is only a problem with signed apks, when I debug Google, the login is working fine.

In my proguard-rules.pro my minifyEnabled is set to false.

And I added SHA-1 to my firebase project and uploaded the correct json file.

build.gradle application level block

dependencies { compile fileTree(dir: 'libs', include: ['*.jar']) androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', { exclude group: 'com.android.support', module: 'support-annotations' }) compile 'com.android.support:appcompat-v7:26.0.2' compile 'com.android.support:design:26.0.2' compile 'com.android.support.constraint:constraint-layout:1.0.2' compile 'com.android.support:design:26.0.2' compile 'com.android.support:cardview-v7:26.0.2' compile 'com.google.firebase:firebase-database:11.4.2' compile 'com.google.firebase:firebase-auth:11.4.2' compile 'com.firebaseui:firebase-ui-auth:3.1.0' testCompile 'junit:junit:4.12' } apply plugin: 'com.google.gms.google-services'

here is my AuthStateListener

 mAuthStateListener = new FirebaseAuth.AuthStateListener() { @Override public void onAuthStateChanged(@NonNull FirebaseAuth firebaseAuth) { FirebaseUser user = firebaseAuth.getCurrentUser(); if (user != null) { signedInInitialized(); } else { signedOutCleanUp(); startActivityForResult( AuthUI.getInstance() .createSignInIntentBuilder() .setTheme(R.style.FirebaseSignInTheme) .setIsSmartLockEnabled(false) .setAvailableProviders( Arrays.asList(new AuthUI.IdpConfig.Builder(AuthUI.EMAIL_PROVIDER).build(), new AuthUI.IdpConfig.Builder(AuthUI.GOOGLE_PROVIDER).build())) .build(), RC_SIGN_IN); } } };

The log code does not show any errors. I would publish logcat when this happens, but I don’t know how to get logcat from a signed apk, because it only happens with the apk sign.

I tried to figure this out for a few days, but didn't seem to make the headway.

thanks

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2 answers

Added debug key signature in console. But the signature of the release key is different. Add the release key signature that you used to sign the apk in the firebase console.

First generate a key using the following command:

 keytool -list -v -keystore KEYSTORE_PATH -alias ALIAS_NAME

Then copy the SHA-1 checksum and go to:

Firebase Console> Your project> Application Settings> Add fingerprint

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You added both keys

  • Android Debug Key SHA-1

  • Your SHA-1 Release Key Signature

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Source: https://habr.com/ru/post/1272899/

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