HEGII.gt.mes.pda/res/layout/activity_load_cart.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/parentlay"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/qingcolor" >

    <include
        android:id="@+id/tile"
        layout="@layout/fragment_title" />

    <LinearLayout
        android:id="@+id/bottomLay"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:orientation="horizontal" >

        <Button
            android:id="@+id/saveBtn"
            android:layout_width="fill_parent"
            android:layout_height="45dp"
            android:background="@drawable/login_btn_selector"
            android:text="保存 "
            android:textColor="@color/white"
            android:textSize="@dimen/textsize_24" />
    </LinearLayout>

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:layout_above="@id/bottomLay"
        android:layout_below="@id/tile"
        android:layout_marginTop="12dp"
        android:orientation="vertical" >

        <ListView
            android:id="@+id/message_listview"
            android:layout_width="fill_parent"
             android:cacheColorHint="#00000000"
            android:layout_height="0dp"
            android:layout_weight="1"
            android:divider="@null" />
      
    </LinearLayout>

</RelativeLayout>