activity_main2.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:orientation = "vertical"
    android:padding="16dp"
    tools:context=".MainActivity1">

    <EditText
        android:id="@+id/edit_text_title"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint = "Name"
        android:inputType="text"/>

    <EditText
        android:id="@+id/edit_text_age"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint = "Age"
        android:inputType="text"/>

    <EditText
        android:id="@+id/edit_text_email"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint = "Email"
        android:inputType="text"/>

    <EditText
        android:id="@+id/edit_text_phoneno"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint = "Phone Number"
        android:inputType="text"/>

    <EditText
        android:id="@+id/edit_text_topic"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint = "Topic"
        android:inputType="text"/>

    <EditText
        android:id="@+id/edit_text_preference"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint = "Online or In Person"
        android:inputType="text"/>

    <EditText
        android:id="@+id/edit_text_level"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint = "Level"
        android:inputType="text"/>


    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Submit"
        android:onClick="addInfo"/>

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Load"
        android:onClick="loadInfo"/>

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Update Topic"
        android:onClick="updateDescription"/>

    <androidx.core.widget.NestedScrollView
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

        <TextView
            android:id="@+id/text_view_data"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textSize="20sp"/>

    </androidx.core.widget.NestedScrollView>

</LinearLayout>