Android Lab: Scroll View - Defining an XML Layout

gistfile1.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"
    android:fillViewport="true" >

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

        <LinearLayout
            android:id="@+id/header"
            android:layout_width="fill_parent"
            android:layout_height="70dp"
            android:background="#53BDFF"
            android:paddingBottom="5dp"
            android:paddingTop="5dp" >

            <ImageView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginLeft="10dp"
                android:src="@drawable/ic_launcher" />

            <TextView
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:layout_centerHorizontal="true"
                android:layout_gravity="center"
                android:text="Header" />
        </LinearLayout>

        <LinearLayout
            android:layout_width="fill_parent"
            android:layout_height="fill_parent"
            android:layout_below="@id/header"
            android:layout_weight="1"
            android:padding="10dp" >

            <TextView
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:text="Content" />
        </LinearLayout>

        <LinearLayout
            android:id="@+id/footer"
            android:layout_width="fill_parent"
            android:layout_height="90dip"
            android:layout_alignParentBottom="true"
            android:background="#53BDFF" >

            <TextView
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:text="Footer" />
        </LinearLayout>
    </LinearLayout>

</ScrollView>