activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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"
    tools:context=".MainActivity">

    <TextView
        android:id="@+id/tvStatus"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginLeft="32dp"
        android:layout_marginRight="32dp"
        android:layout_marginTop="32dp"
        android:text="Press below button to fire HTTP request"
        android:textSize="20sp"
        android:textStyle="bold"
        app:layout_constraintTop_toTopOf="parent" />

    <TextView
        android:id="@+id/tvInfo"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginLeft="32dp"
        android:layout_marginRight="32dp"
        android:layout_marginTop="128dp"
        android:text="No data"
        android:textSize="20sp"
        app:layout_constraintTop_toBottomOf="@id/tvStatus" />

    <Button
        android:id="@+id/btnHttpRequest"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="32dp"
        android:background="@color/colorPrimary"
        android:paddingLeft="16dp"
        android:paddingRight="16dp"
        android:text="Http Request"
        android:textColor="@android:color/white"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toStartOf="@id/btnReset"
        app:layout_constraintStart_toStartOf="parent" />

    <Button
        android:id="@+id/btnReset"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="32dp"
        android:background="@color/colorAccent"
        android:paddingLeft="16dp"
        android:paddingRight="16dp"
        android:text="Reset Data"
        android:textColor="@android:color/white"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toEndOf="@id/btnHttpRequest" />
</androidx.constraintlayout.widget.ConstraintLayout>