Login Page Design in Firebase

 

Youtube :- Login Page Design in Firebase

Xml Code :-

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".Login">
<ImageView
    android:layout_marginTop="100dp"
    android:layout_width="200dp"
    android:layout_height="200dp"
    android:layout_gravity="center"
    android:background="@drawable/group"/>
   <EditText
       android:layout_width="match_parent"
       android:layout_height="wrap_content"
       android:background="#ECE1E1"
       android:hint="Enter Email"
       android:textSize="20sp"
       android:id="@+id/logmail"/>
    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="#ECE1E1"
        android:hint="Enter Pass"
        android:textSize="20sp"
        android:id="@+id/logpass"/>
    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="SignIn"
        android:layout_gravity="center"
        android:id="@+id/signbtn"/>
    <TextView
        android:id="@+id/gotosign"
        android:textColor="#2DBC13"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Sign Up"
        android:layout_gravity="center"
        android:textSize="25sp"
        />
</LinearLayout>

Java Code :-

package com.niranjan.ecommerceapplication;

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

import android.content.Intent;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.Task;
import com.google.android.material.textfield.TextInputEditText;
import com.google.android.material.textfield.TextInputLayout;
import com.google.firebase.auth.AuthResult;
import com.google.firebase.auth.FirebaseAuth;

public class Login extends AppCompatActivity {
EditText regipass,regiemail; //same hona chiya
Button loginbtn;
TextView gotoregister;
FirebaseAuth auth;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_login);
        auth=FirebaseAuth.getInstance();
regiemail=findViewById(R.id.logmail);
regipass=findViewById(R.id.logpass);
loginbtn=findViewById(R.id.signbtn);
gotoregister=findViewById(R.id.gotosign);

gotoregister.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
        startActivity(new Intent(Login.this,Registration.class));
    }
});
loginbtn.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
        loginuser();

    }
});
    }

    private void loginuser() {
        String useremail = regiemail.getText().toString();
        String userpassword = regipass.getText().toString();

        if (TextUtils.isEmpty(useremail)){
            Toast.makeText(this, "Email is Empty", Toast.LENGTH_SHORT).show();
            return;
        }
        if (TextUtils.isEmpty(userpassword)){
            Toast.makeText(this, "Password is Empty", Toast.LENGTH_SHORT).show();
            return;
        }
        auth.signInWithEmailAndPassword(useremail,userpassword).addOnCompleteListener(new OnCompleteListener<AuthResult>() {
            @Override
            public void onComplete(@NonNull Task<AuthResult> task) {
                if (task.isSuccessful()){
                    Toast.makeText(Login.this, "Login Sucessfull", Toast.LENGTH_SHORT).show();
                    startActivity(new Intent(Login.this, MainActivity.class));
                    finish();
                }else {
                    Toast.makeText(Login.this, "failed", Toast.LENGTH_SHORT).show();
                }
            }
        });
    }
}