registeractivity

package com.example.lapitmessenger;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;

import android.app.ProgressDialog;
import android.content.Intent;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

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 org.w3c.dom.Text;

public class RegisterActivity extends AppCompatActivity {

    private static final String TAG = "User Auth";
    private FirebaseAuth mAuth;

    private TextInputLayout mDisplayName;
    private TextInputLayout mEMail;
    private TextInputLayout mPassword;

    private Toolbar mToolBar;

    private Button createButton;

    private ProgressDialog mProgress;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_register);

        mAuth = FirebaseAuth.getInstance();

        mDisplayName = findViewById(R.id.reg_display_name);
        mEMail = findViewById(R.id.reg_email);
        mPassword = findViewById(R.id.reg_password);

        mToolBar = findViewById(R.id.reg_tool_bar);
        setSupportActionBar(mToolBar);
        getSupportActionBar().setTitle("Create Account");
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);

        mProgress = new ProgressDialog(this);

        createButton = findViewById(R.id.reg_create_button);

        createButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                String displayName = mDisplayName.getEditText().getText().toString();
                String eMail = mEMail.getEditText().getText().toString();
                String password = mDisplayName.getEditText().getText().toString();
                System.out.println(password);

                if(!TextUtils.isEmpty(displayName) || !TextUtils.isEmpty(eMail) || !TextUtils.isEmpty(password)) {
                    mProgress.setTitle("Register user");
                    mProgress.setCanceledOnTouchOutside(false);
                    mProgress.show();
                    registerUser(displayName, eMail, password);
                }
            }
        });
    }

    private void registerUser(String displayName, String email, String password) {
        mAuth.createUserWithEmailAndPassword(email, password)
                .addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
                    @Override
                    public void onComplete(@NonNull Task<AuthResult> task) {
                        if (task.isSuccessful()) {
                            Log.d(TAG, "createUserWithEmail:success");
                            mProgress.dismiss();
                            Intent mainIntent = new Intent(RegisterActivity.this, MainActivity.class);
                            startActivity(mainIntent);
                            finish();
                        } else {
                            Log.w(TAG, "createUserWithEmail:failure", task.getException());
                            mProgress.hide();
                            Toast.makeText(RegisterActivity.this, "Authentication failed.",
                                    Toast.LENGTH_SHORT).show();
                        }

                    }
                });
    }
}