activity_main.xml

<?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:padding="20dp"
    android:weightSum="1"
    tools:context=".OddSetAssignment">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_weight="0.5"
        android:orientation="vertical">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            android:paddingTop="30dp"
            android:paddingBottom="110dp"
            android:weightSum="1">

            <LinearLayout
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_weight=".5"
                android:orientation="horizontal">

                <TextView
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:text="BOOK"
                    android:textSize="18sp" />
            </LinearLayout>

            <LinearLayout
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_weight="0.5"
                android:orientation="vertical">

                <CheckBox
                    android:id="@+id/dsBook"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:text="DS"
                    android:textStyle="bold" />

                <CheckBox
                    android:id="@+id/androidBook"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:text="ANDROID"
                    android:textStyle="bold" />

                <CheckBox
                    android:id="@+id/javaBook"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:text="JAVA"
                    android:textStyle="bold" />
            </LinearLayout>

        </LinearLayout>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical">

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="horizontal"
                android:paddingBottom="10dp"
                android:weightSum="1">

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:paddingLeft="50dp"
                    android:paddingRight="5dp"
                    android:text="TITLE"
                    android:textSize="14sp"
                    android:textStyle="bold" />

                <EditText
                    android:id="@+id/title"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:ems="10"
                    android:hint="Tom"/>
            </LinearLayout>

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="horizontal"
                android:paddingBottom="10dp">

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:paddingLeft="30dp"
                    android:paddingRight="5dp"
                    android:text="AUTHOR"
                    android:textSize="14sp"
                    android:textStyle="bold" />

                <EditText
                    android:id="@+id/author"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:ems="10"
                    android:hint="Tom"/>
            </LinearLayout>

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:orientation="horizontal">

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="TRANSLATOR"
                    android:textSize="14sp"
                    android:textStyle="bold" />

                <ListView
                    android:id="@+id/langList"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content" />
            </LinearLayout>

        </LinearLayout>

    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_weight="0.5"
        android:orientation="vertical">

        <ImageView
            android:id="@+id/img"
            android:layout_width="match_parent"
            android:layout_height="183dp"
            app:srcCompat="@mipmap/ic_launcher" />

        <Button
            android:id="@+id/menuButton"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="end"
            android:layout_marginTop="10dp"
            android:text="Menu" />

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="10dp"
            android:orientation="horizontal"
            android:weightSum="1">

            <LinearLayout
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_weight="0.5"
                android:orientation="horizontal">

                <TextView
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:gravity="center"
                    android:text="Lonable"
                    android:textSize="24sp" />
            </LinearLayout>

            <LinearLayout
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_weight="0.5"
                android:orientation="horizontal">

                <RadioGroup
                    android:id="@+id/lonableGroup"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_gravity="end">

                    <RadioButton
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:layout_marginBottom="20dp"
                        android:text="YES"
                        android:textSize="16sp" />

                    <RadioButton
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:text="NO"
                        android:textSize="16sp" />
                </RadioGroup>
            </LinearLayout>

        </LinearLayout>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="10dp"
            android:gravity="center"
            android:orientation="horizontal">

            <Button
                android:id="@+id/btnCancel"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="CANCEL" />

            <Button
                android:id="@+id/btnAdd"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="ADD" />
        </LinearLayout>

    </LinearLayout>

</LinearLayout>

MainActivity.java

package com.example.myapp;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.Spinner;
import android.widget.Toast;

import java.util.regex.Pattern;

public class EvenSetAssignment extends AppCompatActivity {
    Button login,cancel;
    EditText age,name;
    RadioGroup rg;
    RadioButton radioButton;
    Spinner spinner;
    CheckBox dance,poetry,sports;
    int selectedRadio;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_even_set_assignment);

        String[] arr = {"Music","Classical","Rock","Jazz"};
        ArrayAdapter<String> arrayAdapter = new ArrayAdapter<>(this,R.layout.support_simple_spinner_dropdown_item,arr);
        arrayAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        spinner = findViewById(R.id.spinner);
        spinner.setAdapter(arrayAdapter);

        login =  findViewById(R.id.login);
        cancel =  findViewById(R.id.cancelBtn);
        age = findViewById(R.id.age);
        name = findViewById(R.id.user_name);
        rg = findViewById(R.id.genderGroup);
        dance = findViewById(R.id.dance);
        poetry = findViewById(R.id.poetry);
        sports = findViewById(R.id.sports);

        login.setEnabled(false);
        age.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {
                if (!s.toString().equals("")){
                    int ageVal = Integer.parseInt(s.toString());
                    if (ageVal >= 18){
                        login.setEnabled(true);
                    }else {
                        login.setEnabled(false);
                    }
                }
            }
            @Override
            public void afterTextChanged(Editable s) {}

        });
        login.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                selectedRadio = rg.getCheckedRadioButtonId();
                radioButton = findViewById(selectedRadio);
                String user = name.getText().toString();
                if (user.equals("")) {
                    toastFunction("Enter your name!!");
                }else if (!user.matches("[a-zA-Z][a-zA-Z ]+")){
                    toastFunction("Name must contain alphabets only");
                }else if (selectedRadio == -1){
                    toastFunction("Select your gender");
                }else if (!dance.isChecked() && !poetry.isChecked() && !sports.isChecked()){
                    toastFunction("Select at least one hobby");
                }else{
                    toastFunction("Submitted the record");
                }
            }
        });
        cancel.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                name.setText("");
                age.setText("");
                rg.clearCheck();
                spinner.setSelection(0);
                dance.setChecked(false);
                poetry.setChecked(false);
                sports.setChecked(false);
                login.setEnabled(false);
                toastFunction("Cancelled");
            }
        });
    }
    public void toastFunction(String toastText){
        Toast.makeText(getApplicationContext(),toastText,Toast.LENGTH_SHORT).show();
    }
}