samples/SupportEmojiDemos/src/main/res/layout/fragment_main.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (C) 2017 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.
  -->

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             android:paddingLeft="@dimen/spacing_normal"
             android:paddingRight="@dimen/spacing_normal">

    <ScrollView
        android:id="@+id/scroll"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <LinearLayout
            android:id="@+id/container"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            android:padding="@dimen/spacing_normal">

            <com.example.android.support.text.emoji.ConfigLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginBottom="@dimen/spacing_small"/>

            <android.support.text.emoji.widget.EmojiTextView
                android:id="@+id/emoji_text_view"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginBottom="@dimen/spacing_small"/>

            <android.support.text.emoji.widget.EmojiAppCompatEditText
                android:id="@+id/emoji_edit_text"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginBottom="@dimen/spacing_small"
                android:textSize="@dimen/text_size"/>

            <android.support.text.emoji.widget.EmojiAppCompatButton
                android:id="@+id/emoji_button"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginBottom="@dimen/spacing_small"
                android:textSize="@dimen/text_size"/>

            <TextView
                android:id="@+id/regular_text_view"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginBottom="@dimen/spacing_small"
                android:textSize="@dimen/text_size"/>

            <com.example.android.support.text.emoji.CustomTextView
                android:id="@+id/emoji_custom_text_view"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:textSize="@dimen/text_size"/>

            <android.support.text.emoji.widget.EmojiAppCompatButton
                android:id="@+id/emoji_list_button"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginBottom="@dimen/spacing_small"
                android:textSize="@dimen/text_size"
                android:text="Show all emojis"/>

        </LinearLayout>

    </ScrollView>

</FrameLayout>