layoutopt/samples/scrolling.xml

<?xml version="1.0" encoding="utf-8"?>

<ScrollView
    xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"
    android:layout_height="match_parent">

	<LinearLayout
	    android:layout_width="match_parent"
	    android:layout_height="match_parent">

		<ListView 
		    android:layout_width="match_parent"
		    android:layout_height="match_parent" />

	</LinearLayout>

</ScrollView>