CO 01 - Question 01.txt

--------------------------------------------------------------- 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:gravity="center"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <EditText
        android:id="@+id/username"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="10dp"
        android:inputType="textPersonName"
        android:hint="Username"/>

    <EditText
        android:id="@+id/password"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="10dp"
        android:inputType="textPassword"
        android:hint="Username"/>

    <Button
        android:id="@+id/login"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Login"
        android:layout_margin="10dp"/>


</LinearLayout>

--------------------------------------------------------------- Java Code ---------------------------------------------------------------

package com.example.loginformques01;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    // Variable Creation
    EditText username,password;
    Button login;

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

        // Variables Initializatxions
        username= findViewById(R.id.username);
        password= findViewById(R.id.password);
        login= findViewById(R.id.login);

        // Below code works when user clicks on the login button
        login.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                String username_text= username.getText().toString();
                String password_text= password.getText().toString();
                Toast.makeText(MainActivity.this, "Login Successful.\nUsername is : "+username_text+"\nPassword is : "+password_text, Toast.LENGTH_LONG).show();
            }
        });
    }
}