The file containing the source code shown below is located in the corresponding directory in <sdk>/samples/android-<version>/...
<?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.
-->
<!-- Demonstrates using a LinearLayout background to group related
TextViews, EditTexts, and Buttons. -->
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<!-- Top label/button text field. -->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:addStatesFromChildren="true"
android:gravity="center_vertical"
android:paddingRight="0dip"
android:background="@android:drawable/edit_text">
<!--
TextView label goes at the left.
-->
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/linear_layout_10_from"
android:textColor="?android:attr/textColorSecondary"
android:textAppearance="?android:attr/textAppearanceLargeInverse"
/>
<!--
EditText goes in between.
-->
<EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:singleLine="true"
android:background="@null"
/>
<!--
The button goes at the right.
-->
<ImageButton
style="@android:style/Widget.Button.Inset"
android:src="@android:drawable/star_big_on"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="2dip"
android:layout_marginRight="2dip"
android:layout_marginBottom="2dip"
android:padding="10dip"
/>
</LinearLayout>
<!-- Bottom label/button text field. (Identical to the top one
except for the label.) -->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:addStatesFromChildren="true"
android:gravity="center_vertical"
android:paddingRight="0dip"
android:background="@android:drawable/edit_text">
<!--
TextView label goes at the left.
-->
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/linear_layout_10_to"
android:textColor="?android:attr/textColorSecondary"
android:textAppearance="?android:attr/textAppearanceLargeInverse"
/>
<!--
EditText goes in between.
-->
<EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:singleLine="true"
android:background="@null"
/>
<!--
The button goes at the right.
-->
<ImageButton
style="@android:style/Widget.Button.Inset"
android:src="@android:drawable/star_big_on"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="2dip"
android:layout_marginRight="2dip"
android:layout_marginBottom="2dip"
android:padding="10dip"
/>
</LinearLayout>
</LinearLayout>