FirebaseAuth Error : DynamiteModule: Local module descriptor class for com.google.firebase.auth not found

[Tarek Aloui]

Greetings,

I'm a newbie to Firebase, and I'm trying to make an activity on Android to Sign up using email/password method, I followed the Firebase docs but I have got 2 errors :

1- DynamiteModule: Local module descriptor class for com.google.firebase.auth not found

2- Google Play services is missing

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

import android.view.View;

import android.widget.Button;
import android.widget.EditText;

import android.widget.Toast;

import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.Task;
import com.google.firebase.auth.AuthResult;
import com.google.firebase.auth.FirebaseAuth;

import java.util.ArrayList;

public class MainActivity extends AppCompatActivity {
    //Variables
    FirebaseAuth mAuth;
    String email, passwd;
    //UI elements
    Button btn_sign_up;
    EditText et_email, et_passwd;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        btn_sign_up = (Button) findViewById(R.id.btn_sign_up);
        et_email = (EditText) findViewById(R.id.et_email);
        et_passwd = (EditText) findViewById(R.id.et_passwd);

        //FirebaseAuth listener
        mAuth = FirebaseAuth.getInstance();
    }

    @Override
    protected void onStart() {
        super.onStart();
        btn_sign_up.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                email = et_email.getText().toString();
                passwd = et_passwd.getText().toString();
                mAuth.createUserWithEmailAndPassword(email, passwd)
                        .addOnCompleteListener(new OnCompleteListener<AuthResult>() {
                            @Override
                            public void onComplete(@NonNull Task<AuthResult> task) {
                                Toast.makeText(getApplicationContext(), "Done !", Toast.LENGTH_LONG).show();
                            }
                        });
            }
        });
        et_passwd.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                et_passwd.setText("");
            }
        });
        et_email.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                et_email.setText("");
            }
        });
    }
}

PS : All my software is up to date : Google Play Services version is 37

Please Help me, because I didn't find anything online : on Stack OverFlow ...

[Kato Richardson]

Hi Tarek,

What does your build.gradle look like? What versions do you have? If it's not the latest, can you upgrade?

☼, Kato

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