Layout___一行多列填充父窗口

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent">
    <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/hello" />
    <!-- use alignLeft to fill the remaining space-->
    <RelativeLayout
        android:id="@+id/RelativeLayout01"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content">

        <Button
            android:id="@+id/TextViewWorkAddress"
            android:layout_width="80dp"
            android:layout_height="wrap_content"
            android:text="80dp">
        </Button>

        <EditText
            android:id="@+id/EditTextWorkAddress"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_alignLeft="@+id/TextViewWorkAddress"
            android:layout_marginLeft="80dp"
            android:text="The remaining space">
        </EditText>
    </RelativeLayout>

    <!-- use toRightOf to fill the remaining space-->
    <RelativeLayout
        android:id="@+id/RelativeLayout01"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content">

        <Button
            android:id="@+id/TextViewWorkEmail"
            android:layout_width="80dp"
            android:layout_height="wrap_content"
            android:text="80dp">
        </Button>

        <EditText
            android:id="@+id/EditTextWorkEmail"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_toRightOf="@+id/TextViewWorkEmail"
            android:text="The remaining space">
        </EditText>
    </RelativeLayout>

    <RelativeLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content">
        <Button
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_marginRight="80dp"
            android:text="The remaining space">
        </Button>

        <Button
            android:layout_width="80dp"
            android:layout_height="wrap_content"
            android:layout_alignParentRight="true"
            android:text="80dp">
        </Button>
    </RelativeLayout>


</LinearLayout>