android - Firebase signInWithEmailAndPassword gives "com.google.firebase.auth not found"

Question

I am using firebase as baackend for my android studio. And also fallowed eatch and every step provided by firebase console. I created 3 Activity's

1. MainActivity
2. LoginActivity
3. RigisterActivity

I am able to register the user successfully but when i try to login user with email and password task is not getting successful. below is my code

Android monitor is giving the following error

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

Login Activity

  private EditText mLoginEmailField;
    private EditText mloginPassField;

    private Button mLoginbtn;
    private Button mNewAccountbtn;

    private DatabaseReference mDatabaseRefrence;





    private FirebaseAuth mAuth;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_login);



        mAuth = FirebaseAuth.getInstance();
        mLoginEmailField = (EditText) findViewById(R.id.loginEmailField);
        mloginPassField = (EditText) findViewById(R.id.loginPasswordField);

        mLoginbtn = (Button) findViewById(R.id.loginBtn);
        mNewAccountbtn = (Button) findViewById(R.id.newAccountbtn);
        mDatabaseRefrence = FirebaseDatabase.getInstance().getReference().child("Users");


        mNewAccountbtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent rigisterIntent = new Intent(LoginActivity.this,RegisterActivity.class);
                rigisterIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
                startActivity(rigisterIntent);
            }
        });


        mLoginbtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                CheckLogin();
            }
        });
    }

    private void CheckLogin() {

        String email = mloginPassField.getText().toString().trim();
        String pass = mloginPassField.getText().toString().trim();


        if(!TextUtils.isEmpty(email) && !TextUtils.isEmpty(pass)){


            mAuth.signInWithEmailAndPassword(email,pass).addOnCompleteListener(this,new OnCompleteListener<AuthResult>() {
                @Override
                public void onComplete(@NonNull Task<AuthResult> task) {


                    if(task.isSuccessful()){

                        CheackUserExsists();

                    }else{

                        Toast.makeText(LoginActivity.this,"Erorr Login",Toast.LENGTH_LONG).show();

                    }
                }
            });

        }

    }

    private void CheackUserExsists() {

        final String user_id = mAuth.getCurrentUser().getUid();
        mDatabaseRefrence.addValueEventListener(new ValueEventListener() {
            @Override
            public void onDataChange(DataSnapshot dataSnapshot) {
                if(dataSnapshot.hasChild(user_id)){

                    Intent MainIntent = new Intent(LoginActivity.this,MainActivity.class);
                    MainIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
                    startActivity(MainIntent);
                }else
                {

                    Toast.makeText(LoginActivity.this,"You need to setup your Account.. ",Toast.LENGTH_LONG).show();
                }
            }

            @Override
            public void onCancelled(DatabaseError databaseError) {

            }
        });
    }


                @

Answer 1

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