activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    android:orientation="vertical"
    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="edu.stanford.cs108.shoppinglist.MainActivity">

    <TextView
        android:id="@+id/textOutput"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="20sp"
        android:layout_weight="1" />

    <EditText
        android:id="@+id/addItem"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

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

        <Button
            android:id="@+id/addButton"
            android:text="Add Item"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight='0.5'
            android:onClick="addItem" />


        <Button
            android:id="@+id/clearButton"
            android:text="Clear List"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight='0.5'
            android:onClick="clearList" />

    </LinearLayout>

</LinearLayout>