res/layout-port/main.xml

<?xml version="1.0" encoding="utf-8"?>

<!--
/*
 * Copyright (C) 2008, The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * you may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at 
 *
 *     http://www.apache.org/licenses/LICENSE-2.0 
 *
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS, 
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 * See the License for the specific language governing permissions and 
 * limitations under the License.
 */
-->

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:orientation="vertical"
              android:layout_width="match_parent"
              android:layout_height="match_parent"
              android:background="#ff000000">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="0dip"
        android:layout_weight="3"
        android:orientation="horizontal"
        android:layout_gravity="center_vertical"
        android:gravity="center_vertical">

        <com.android.calculator2.CalculatorDisplay
             android:id="@+id/display"
             android:layout_width="0dip"
             android:layout_height="match_parent"
             android:layout_weight="1"
             maxDigits="@integer/max_digits">

            <com.android.calculator2.CalculatorEditText
                style="@style/display_style" />
            <com.android.calculator2.CalculatorEditText
                style="@style/display_style" />

        </com.android.calculator2.CalculatorDisplay>
        <ImageButton android:id="@+id/overflow_menu"
            android:layout_width="48dip"
            android:layout_height="match_parent"
            android:src="@drawable/ic_menu_overflow"
            android:background="@android:color/transparent"
            android:layout_marginLeft="8dip"
            android:visibility="gone"/>
    </LinearLayout>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1.5"
        >

        <View
            android:background="@drawable/btn_function"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="1"
            />

        <FrameLayout
            android:layout_width="wrap_content"
            android:layout_height="match_parent">
            <!-- marginRight has to be 0 to catch border-touch -->
            <com.android.calculator2.ColorButton
                android:id="@+id/clear"
                android:text="@string/clear"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_marginRight="0dp"
                android:textSize="15dp"
                style="@style/button_style"
                android:minWidth="100dip"
                />
            <!-- marginRight has to be 0 to catch border-touch -->
            <com.android.calculator2.ColorButton
                android:id="@+id/del"
                android:text="@string/del"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_marginRight="0dp"
                android:textSize="15dp"
                style="@style/button_style"
                android:contentDescription="@string/delDesc"
                android:ellipsize="end"
                android:minWidth="89dip"
                />
        </FrameLayout>

    </LinearLayout>
    <com.android.calculator2.CalculatorViewPager
         android:id="@+id/panelswitch"
         android:layout_width="match_parent"
         android:layout_height="0dp"
         android:layout_weight="10"
         />
</LinearLayout>