samples/SupportPreferenceDemos/src/main/res/xml/preferences.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (C) 2016 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
  -->

<!-- This is a primitive example showing the different types of preferences available. -->
<!-- BEGIN_INCLUDE(preferences) -->
<PreferenceScreen
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:title="@string/root_title">

    <Preference
        android:key="basic_preference"
        android:title="@string/title_basic_preference"
        android:summary="@string/summary_basic_preference" />

    <Preference
        android:key="stylish_preference"
        android:title="@string/title_stylish_preference"
        android:summary="@string/summary_stylish_preference" />

    <PreferenceCategory
        android:title="@string/inline_preferences">

        <CheckBoxPreference
            android:key="checkbox_preference"
            android:title="@string/title_checkbox_preference"
            android:summary="@string/summary_checkbox_preference" />

        <DropDownPreference
            android:key="dropdown_preference"
            android:title="@string/title_dropdown_preference"
            android:summary="@string/summary_dropdown_preference"
            android:entries="@array/entries_list_preference"
            android:entryValues="@array/entryvalues_list_preference" />

    </PreferenceCategory>

    <PreferenceCategory
        android:title="@string/dialog_based_preferences">

        <EditTextPreference
            android:key="edittext_preference"
            android:title="@string/title_edittext_preference"
            android:summary="@string/summary_edittext_preference"
            android:dialogTitle="@string/dialog_title_edittext_preference" />

        <ListPreference
            android:key="list_preference"
            android:title="@string/title_list_preference"
            android:summary="@string/summary_list_preference"
            android:entries="@array/entries_list_preference"
            android:entryValues="@array/entryvalues_list_preference"
            android:dialogTitle="@string/dialog_title_list_preference" />

        <MultiSelectListPreference
            android:key="multi_select_list_preference"
            android:title="@string/title_multi_list_preference"
            android:summary="@string/summary_multi_list_preference"
            android:entries="@array/entries_list_preference"
            android:entryValues="@array/entryvalues_list_preference"
            android:dialogTitle="@string/dialog_title_multi_list_preference" />

    </PreferenceCategory>

    <PreferenceCategory
        android:title="@string/launch_preferences">

        <!-- This PreferenceScreen tag serves as a screen break (similar to page break
             in word processing). Like for other preference types, we assign a key
             here so it is able to save and restore its instance state. -->
        <PreferenceScreen
            android:key="screen_preference"
            android:title="@string/title_screen_preference"
            android:summary="@string/summary_screen_preference">

            <!-- You can place more preferences here that will be shown on the next screen. -->

            <CheckBoxPreference
                android:key="next_screen_checkbox_preference"
                android:title="@string/title_next_screen_toggle_preference"
                android:summary="@string/summary_next_screen_toggle_preference" />

        </PreferenceScreen>

        <PreferenceScreen
            android:title="@string/title_intent_preference"
            android:summary="@string/summary_intent_preference">

            <intent android:action="android.intent.action.VIEW"
                android:data="http://www.android.com" />

        </PreferenceScreen>

    </PreferenceCategory>

    <PreferenceCategory
        android:title="@string/preference_attributes">

        <CheckBoxPreference
            android:key="parent_checkbox_preference"
            android:title="@string/title_parent_preference"
            android:summary="@string/summary_parent_preference" />

        <!-- The visual style of a child is defined by this styled theme attribute. -->
        <CheckBoxPreference
            android:key="child_checkbox_preference"
            android:dependency="parent_checkbox_preference"
            android:layout="?android:attr/preferenceLayoutChild"
            android:title="@string/title_child_preference"
            android:summary="@string/summary_child_preference" />

    </PreferenceCategory>

</PreferenceScreen>
<!-- END_INCLUDE(preferences) -->