Firebase Error logging in with Google. 12501 null

Question

No clue why this is happening. keep getting this error

Error logging in with Google. 12501 null

also this one.

W/DynamiteModule: Local module descriptor class for com.google.firebase.auth not found.

Code:

package com.workoutwager.workoutwager;

import android.content.Intent;
import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.widget.Toast;

import com.firebase.ui.auth.AuthUI;
import com.firebase.ui.auth.ui.ResultCodes;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseUser;

import java.util.Arrays;

public class MainActivity extends AppCompatActivity {

    private FirebaseAuth mFirebaseAuth;
    public static final int RC_SIGN_IN = 1;
    private FirebaseAuth.AuthStateListener mAuthStateListener;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        mFirebaseAuth= FirebaseAuth.getInstance();
        mAuthStateListener = new FirebaseAuth.AuthStateListener() {
            @Override
            public void onAuthStateChanged(@NonNull FirebaseAuth firebaseAuth) {
                FirebaseUser user = firebaseAuth.getCurrentUser();
                if (user != null){
                    //signed in
                    Intent intent = new Intent(MainActivity.this, LoginSuccess.class);
                    startActivity(intent);


                }
                else{
                    //signed out

                    startActivityForResult(
                            AuthUI.getInstance()
                                    .createSignInIntentBuilder()
                                    .setProviders(Arrays.asList(new AuthUI.IdpConfig.Builder(AuthUI.EMAIL_PROVIDER).build(),
                                            new AuthUI.IdpConfig.Builder(AuthUI.GOOGLE_PROVIDER).build(),
                                            new AuthUI.IdpConfig.Builder(AuthUI.FACEBOOK_PROVIDER).build()))
                                    .setIsSmartLockEnabled(false)
                                    .setLogo(R.drawable.logo)
                                    .build(),
                            RC_SIGN_IN);
                }
            }
        };

    }
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (resultCode == RESULT_OK) {
            // user is signed in!
            startActivity(new Intent(this, LoginSuccess.class));
            finish();
            return;
        }

        // Sign in canceled
        if (resultCode == RESULT_CANCELED) {
            startActivity(new Intent(this, MainActivity.class));
            return;
        }

        // No network
        if (resultCode == ResultCodes.RESULT_NO_NETWORK) {
            Toast.makeText(MainActivity.this, "You are not connected", Toast.LENGTH_LONG).show();
            return;
        }

        // User is not signed in. Maybe just wait for the user to press
        // "sign in" again, or show a message.
    }
    @Override
    protected void onPause(){
        super.onPause();
        mFirebaseAuth.removeAuthStateListener(mAuthStateListener);

    }
    @Override
    protected void onResume(){
        super.onResume();
        mFirebaseAuth.addAuthStateListener(mAuthStateListener);
    }
}

Gradle:

apply plugin: 'com.android.application'
apply plugin: 'com.google.gms.google-services'
android {
    compileSdkVersion 24
    buildToolsVersion "25.0.0"
    defaultConfig {
        applicationId "com.workoutwager.workoutwager"
        minSdkVersion 16
        targetSdkVersion 24
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

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-v7:24.2.1'
    compile 'com.google.firebase:firebase-database:9.8.0'
    compile 'com.google.firebase:firebase-auth:9.6.1'
    compile 'com.firebaseui:firebase-ui-auth:1.0.0'
    testCompile 'junit:junit:4.12'
}

Answer 1

I solved the problem in Firebase adding the SHA1 fingerprints in the Project Settings as it is required by Google login:

To set up Google sign-in for your Android apps, you need to add the SHA1 fingerprint for each app on your Project Settings.

To get both the release and debug certificates follow the Google APIs authentication guide

Answer 2

I had the issue: Error logging in with Google. 10 null and found out that i mistakenly had opted to use the google play App Signing. The solution was then to copy the SHA-1 found in the google play console and enter this value into the firebase project settings.