samples/ApiDemos/res/layout/fragment_arguments_fragment.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2012 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

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     distributed under the License is distributed on an "AS IS" BASIS,
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     See the License for the specific language governing permissions and
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:padding="4dip"
    android:gravity="center_horizontal"
    android:layout_width="match_parent" android:layout_height="match_parent">

    <TextView
            android:id="@+id/text"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="0"
            android:padding="4dip"
            android:layout_gravity="center_vertical|center_horizontal"
            android:gravity="top|center_horizontal"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:text="@string/fragment_arguments_fragment_msg" />

    <LinearLayout android:orientation="horizontal" android:padding="4dip"
        android:layout_width="match_parent" android:layout_height="wrap_content">

    <FrameLayout
            android:id="@+id/created1"
            android:layout_width="0px"
            android:layout_height="wrap_content"
            android:layout_weight="1" />

    <FrameLayout
            android:id="@+id/created2"
            android:layout_width="0px"
            android:layout_height="wrap_content"
            android:layout_weight="1" />

    </LinearLayout>

</LinearLayout>