RidgeScout/app/src/main/res/layout/fragment_data.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">

    <TextView
        android:id="@+id/no_event_error"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="No event has been specified\nPlease select one"
        android:textAlignment="center"
        android:textSize="20sp"
        android:visibility="gone"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <androidx.constraintlayout.widget.ConstraintLayout
        android:id="@+id/buttons"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_marginBottom="48dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <Button
            android:id="@+id/fieldsButton"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Fields"
            android:textSize="34sp"
            app:layout_constraintBottom_toTopOf="@+id/teamsButton"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <Button
            android:id="@+id/teamsButton"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Teams"
            android:textSize="34sp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@id/fieldsButton" />

    </androidx.constraintlayout.widget.ConstraintLayout>
</androidx.constraintlayout.widget.ConstraintLayout>