保持在底部的按钮栏，上面是滚动的ScrollView---转
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<LinearLayout
android:id="@+id/buttonLayout"
android:layout_alignParentBottom="true"
android:layout_height="wrap_content"
android:layout_width="fill_parent"
android:orientation="horizontal">
<Button
android:text="AAAA"
android:layout_height="wrap_content"
android:layout_width="fill_parent"
android:layout_weight="1"/>
<Button
android:text="BBBB"
android:layout_height="wrap_content"
android:layout_width="fill_parent"
android:layout_weight="1"/>
</LinearLayout>
<ScrollView

android:layout_above="@id/buttonLayout"

android:layout_width="fill_parent"
android:layout_height="fill_parent">
</ScrollView>
</RelativeLayout>