I have a working android app (Maybe better say HAD).
The app is using some third party libraries including: Google maps, Firebase, firebaseui. After converting the app to use the new firebase I have stumbled upon two main issues:
The firebaseui logon screen changed and now looks like this (from login dialog it turned into activity):
which is of course completely different from the old one and for some odd reason different from the debug build variant.
I am unable to use the google sign in with the following error showing in logcat:
com.google.firebase.FirebaseException: An internal error has occured. [ OAuth2 client id in server configuration is not found. ]
Again this issue is not happening in the debug variant.
Just to be clear the debug build variant uses the same code base but a different firebase database.
1 Answers
Answers 1
With New Firebase, they have changed a whole lot of Code and the way of doing things.
Now when you setup your Firebase Project, they give you an Option to enter your AuthId, you can download the JSON and paste it inside your app.
After you setup the ClientId, you can add this code to get your Google Login back to working again.
Button signInButton; //Google Variables private static final int RC_SIGN_IN = 9001; private GoogleApiClient mGoogleApiClient; //Firebase Variables private FirebaseAuth mAuth; private FirebaseAuth.AuthStateListener mAuthStateListener; //Inside OnCreate(); //Google SignIn Methods // [START config_signin] // Configure Google Sign In GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN) .requestIdToken(getString(R.string.default_web_client_id)) .requestEmail() .build(); // [END config_signin] mGoogleApiClient = new GoogleApiClient.Builder(this) .enableAutoManage(this /* FragmentActivity */, this /* OnConnectionFailedListener */) .addApi(Auth.GOOGLE_SIGN_IN_API, gso) .build(); mAuth = FirebaseAuth.getInstance(); mAuthStateListener = new FirebaseAuth.AuthStateListener() { @Override public void onAuthStateChanged(@NonNull FirebaseAuth firebaseAuth) { FirebaseUser user = firebaseAuth.getCurrentUser(); updateUI(user); } }; @Override protected void onStart() { super.onStart(); mAuth.addAuthStateListener(mAuthStateListener); mGoogleApiClient.connect(); } @Override protected void onStop() { super.onStop(); if(mAuthStateListener != null) { mAuth.removeAuthStateListener(mAuthStateListener); } mGoogleApiClient.disconnect(); } // [START onactivityresult] @Override public void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if (requestCode == RC_SIGN_IN) { GoogleSignInResult result = Auth.GoogleSignInApi.getSignInResultFromIntent(data); if (result.isSuccess()) { // Google Sign In was successful, authenticate with Firebase GoogleSignInAccount account = result.getSignInAccount(); firebaseAuthWithGoogle(account); } else { // Google Sign In failed, update UI appropriately // [START_EXCLUDE] updateUI(null); // [END_EXCLUDE] } } } // [END onactivityresult] private void firebaseAuthWithGoogle(GoogleSignInAccount acct) { AuthCredential credential = GoogleAuthProvider.getCredential(acct.getIdToken(), null); mAuth.signInWithCredential(credential) .addOnCompleteListener(this, new OnCompleteListener<AuthResult>() { @Override public void onComplete(@NonNull Task<AuthResult> task) { // If sign in fails, display a message to the user. If sign in succeeds // the auth state listener will be notified and logic to handle the // signed in user can be handled in the listener. if (!task.isSuccessful()) { Toast.makeText(LoginActivity.this, "Authentication failed.", Toast.LENGTH_SHORT).show(); } } }); } // [END auth_with_google] // [START signin] private void signIn() { Intent signInIntent = Auth.GoogleSignInApi.getSignInIntent(mGoogleApiClient); startActivityForResult(signInIntent, RC_SIGN_IN); } // [END signin] private void updateUI(FirebaseUser user) { if (user != null) { //write what you want to do after login here } } @Override public void onConnectionFailed(@NonNull ConnectionResult connectionResult) { // An unresolvable error has occurred and Google APIs (including Sign-In) will not // be available. Toast.makeText(this, "Google Play Services error.", Toast.LENGTH_SHORT).show(); } public void GoogleSignIn(View v){ signIn(); } @Override protected void onRestart() { super.onRestart(); mGoogleApiClient.connect(); } This Worked Completely fine for Google Authentication using Firebase in my app
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