android/res/layout/activity_editor.xml

<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" >

    <LinearLayout android:id="@+id/buttonLinearLayout" 
                  android:layout_width="match_parent" 
                  android:layout_height="wrap_content" 
                  android:layout_alignParentBottom="true">

        <Button android:id="@+id/runButton"
                android:layout_width="0dip"
                android:layout_height="wrap_content"
                android:layout_weight="1.0"
                android:layout_alignParentBottom="true"
                android:text="@string/runButtonText" />

        <Button android:id="@+id/saveButton"
                android:layout_width="0dip"
                android:layout_height="wrap_content"
                android:layout_weight="1.0"
                android:layout_alignParentBottom="true"
                android:text="@string/saveButtonText" />

    </LinearLayout>


    <ListView android:id="@+id/editorListView"
              android:layout_above="@id/buttonLinearLayout"
              android:layout_weight="1.0"
              android:layout_width="match_parent"
              android:layout_height="match_parent"
              android:layout_alignParentTop="true" />
</RelativeLayout>