问安卓ListView高度为match_parent减去固定高度

EN

   <LinearLayout
    android:id="@+id/ListView"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:descendantFocusability="beforeDescendants"
    android:orientation="vertical"
    android:visibility="visible"
    tools:layout_editor_absoluteY="8dp">

        <ListView
        android:id="@+id/listdogs"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:choiceMode="singleChoice"
        android:focusable="true"
        android:focusableInTouchMode="true"
        android:listSelector="@android:color/darker_gray"
        android:textSize="10dp"
        android:layout_marginBottom="80dp"
        android:visibility="visible">


    </ListView>

<RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="80dp">

        <Button
            android:id="@+id/dogmap"
            android:layout_width="70dp"
            android:layout_height="68dp"
            android:layout_alignParentStart="true"
            android:layout_alignParentTop="true"
            android:layout_marginStart="21dp"
            android:background="@drawable/map" />

        <Button
            android:id="@+id/dogphone"
            android:layout_width="70dp"
            android:layout_height="68dp"
            android:layout_alignParentTop="true"
            android:layout_centerHorizontal="true"
            android:background="@drawable/phone" />

        <Button
            android:id="@+id/dogaweb"
            android:layout_width="70dp"
            android:layout_height="68dp"
            android:layout_alignParentEnd="true"
            android:layout_alignParentTop="true"
            android:layout_marginEnd="26dp"
            android:background="@drawable/website" />
    </RelativeLayout>

</LinearLayout>