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="vertical"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
<!-- Four TextView widgets, each one displaying text containing links. -->
<!-- text1 automatically linkifies things like URLs and phone numbers. -->
<TextView xmlns:android="https://schemas.android.com/apk/res/android"
android:id="@+id/text1"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:autoLink="all"
android:text="@string/link_text_auto"
/>
<!-- text2 uses a string resource containing explicit <a> tags to
specify links. -->
<TextView xmlns:android="https://schemas.android.com/apk/res/android"
android:id="@+id/text2"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:text="@string/link_text_manual"
/>
<!-- text3 builds the text in the Java code using HTML. -->
<TextView xmlns:android="https://schemas.android.com/apk/res/android"
android:id="@+id/text3"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
/>
<!-- text4 builds the text in the Java code without using HTML. -->
<TextView xmlns:android="https://schemas.android.com/apk/res/android"
android:id="@+id/text4"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
/>
</LinearLayout>