layout

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:padding="24dp">

    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_above="@id/btn_submit_message"
        android:layout_alignParentTop="true">

        <TextView
            android:id="@+id/messages_text"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:ems="10"
            android:enabled="true"
            android:gravity="start|top"
            android:importantForAutofill="no"
            tools:ignore="LabelFor" />

    </ScrollView>


    <Button
        android:id="@+id/btn_submit_message"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_above="@id/entry_update_text"
        android:layout_marginStart="80dp"
        android:layout_marginTop="24dp"
        android:layout_marginEnd="80dp"
        android:onClick="onClick"
        android:text="Submit Update to The Guide"
        tools:ignore="HardcodedText" />

    <EditText
        android:id="@+id/entry_update_text"
        android:layout_width="match_parent"
        android:layout_height="60dp"
        android:layout_alignParentBottom="true"
        android:layout_marginTop="24dp"
        android:layout_marginBottom="24dp"
        android:ems="10"
        android:hint="enter update for Earth here"
        android:importantForAutofill="no"
        android:inputType="text"
        android:text="Mostly Harmless."
        tools:ignore="HardcodedText" />

</RelativeLayout>