Im very new to android studio. I'm trying to make a signup page with email and password authentication with Firebase. Howerver, whenever I try to click the sign up button it gives:
W/System: Ignoring header X-Firebase-Locale because its value was null
Can anyone tell me why?
Here is the SignupActivity.java file
package com.example.traintrack;
import android.app.Activity;
import android.content.Intent;
import android.graphics.Color;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.Task;
import com.google.android.material.textfield.TextInputLayout;
import com.google.firebase.auth.AuthResult;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseUser;
import java.util.regex.Pattern;
public class SignupActivity extends AppCompatActivity implements AdapterView.OnItemSelectedListener {
FirebaseAuth fAuth;
Button signupBtn; // Signup Button
private String userType;
private TextInputLayout textInputFullName;
private TextInputLayout textInputEmail;
private TextInputLayout textInputPassword;
private boolean submitted = false, validUser = false;
Spinner spinner;
public static final Pattern VALID_EMAIL_ADDRESS_REGEX =
Pattern.compile("^[A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,6}$", Pattern.CASE_INSENSITIVE);
private String email;
private String password;
//Validating the signup page
private boolean validateName(){
String name = textInputFullName.getEditText().getText().toString().trim();
if (name.isEmpty()){
textInputFullName.setError("Field can't be empty");
} else{
textInputFullName.setError(null);
return true;
}
return false;
}
private boolean validateEmail(){
String email = textInputEmail.getEditText().getText().toString().trim();
if (email.isEmpty()){
textInputEmail.setError("Field can't be empty");
} else if (!VALID_EMAIL_ADDRESS_REGEX.matcher(email).find()){
textInputEmail.setError("Please enter a valid email");
} else {
textInputEmail.setError(null);
return true;
}
return false;
}
private boolean validatePassword(){
String password = textInputPassword.getEditText().getText().toString().trim();
if (password.isEmpty()){
textInputPassword.setError("Field can't be empty");
} else if (password.length() < 8){
textInputPassword.setError("Password must have at least 8 characters");
} else {
return true;
}
return false;
}
//public void confirm(View button){
//}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.signup);
spinner = findViewById(R.id.signup_type);
ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this, R.array.user_types, android.R.layout.simple_spinner_item);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner.setAdapter(adapter);
spinner.setOnItemSelectedListener(this);
textInputFullName = findViewById(R.id.signup_fullname);
textInputEmail = findViewById(R.id.signup_email);
textInputPassword = findViewById(R.id.signup_password);
signupBtn = findViewById(R.id.signup_confirm);
//Firebase, Sign up by clicking the button
fAuth = FirebaseAuth.getInstance();
if (fAuth.getCurrentUser() != null) // when the current user object is already present
{
startActivity(new Intent(getApplicationContext(), MainActivity.class)); //back to main page
finish();
}
//register the user in firebase
signupBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
password = textInputPassword.getEditText().getText().toString().trim();
email = textInputEmail.getEditText().getText().toString().trim();
// I have moved the validation here since this is the button for click
submitted = true;
if (!validateName() || !validateEmail() || !validatePassword() || !validUser){
Toast.makeText(SignupActivity.this, "Cannot create account", Toast.LENGTH_SHORT).show();
return;
}
fAuth.createUserWithEmailAndPassword(email,password).addOnCompleteListener(new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
if (task.isSuccessful()) //successfully created the user
{
Toast.makeText(SignupActivity.this, "Account created!", Toast.LENGTH_SHORT).show();
startActivity(new Intent (getApplicationContext(), MainActivity.class));
} else {
Toast.makeText(SignupActivity.this, "Error !", Toast.LENGTH_SHORT).show();
}
}
});
}
});
}//OnCreated Closing
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
String type = parent.getItemAtPosition(position).toString();
if (type.equals(getResources().getStringArray(R.array.user_types)[0]) && submitted){
TextView errorText = (TextView)spinner.getSelectedView();
errorText.setError("");
errorText.setTextColor(Color.RED);
errorText.setText("Please select a user type");
} else {
validUser = true;
userType = type;
}
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
}
} //Ending
'''
