The file containing the source code shown below is located in the corresponding directory in <sdk>/platforms/android-<version>/samples/...
<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2007 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
https://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="https://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginRight="3dip"
android:layout_gravity="center_vertical"
android:text="@string/baseline_nested_1_label" />
<!-- We want the middle textview of this vertical linear layout to
be baseline aligned with the others.-->
<LinearLayout
android:orientation="vertical"
android:baselineAlignedChildIndex="1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/arrow_up_float"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginRight="5dip"
android:text="@string/baseline_nested_1_label" />
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/arrow_down_float"/>
</LinearLayout>
<!-- We'll point to the linear layout to baseline align by, which
in turn will point to a text view inside of it -->
<LinearLayout
android:orientation="vertical"
android:baselineAlignedChildIndex="1"
android:layout_width="wrap_content"
android:layout_gravity="center_vertical"
android:layout_height="wrap_content">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/arrow_up_float"/>
<LinearLayout
android:orientation="vertical"
android:baselineAlignedChildIndex="2"
android:layout_width="wrap_content"
android:layout_gravity="center_vertical"
android:layout_height="wrap_content">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/arrow_up_float"/>
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/arrow_up_float"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginRight="5dip"
android:text="@string/baseline_nested_1_label"/>
</LinearLayout>
</LinearLayout>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="20sp"
android:layout_gravity="center_vertical"
android:text="@string/baseline_nested_1_label" />
</LinearLayout>
