lawnchair/quickstep/res/layout/gesture_tutorial_fragment.xml

<!--
    Copyright (C) 2020 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.
-->
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/gesture_tutorial_background_color">

    <ImageView
        android:id="@+id/gesture_tutorial_fragment_hand_coaching"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:scaleType="centerCrop"/>

    <ImageButton
        android:id="@+id/gesture_tutorial_fragment_close_button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:padding="18dp"
        android:layout_marginTop="30dp"
        android:layout_marginStart="4dp"
        android:layout_alignParentStart="true"
        android:layout_alignParentTop="true"
        android:background="@android:color/transparent"
        android:accessibilityTraversalAfter="@id/gesture_tutorial_fragment_titles_container"
        android:contentDescription="@string/gesture_tutorial_close_button_content_description"
        android:src="@drawable/gesture_tutorial_close_button"/>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_marginTop="70dp"
        android:orientation="vertical">

        <LinearLayout
            android:id="@+id/gesture_tutorial_fragment_titles_container"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            android:focusable="true">

            <TextView
                android:id="@+id/gesture_tutorial_fragment_title_view"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center_horizontal"
                android:layout_marginStart="@dimen/gesture_tutorial_title_margin_start_end"
                android:layout_marginEnd="@dimen/gesture_tutorial_title_margin_start_end"
                style="@style/TextAppearance.GestureTutorial.Title"/>

            <TextView
                android:id="@+id/gesture_tutorial_fragment_subtitle_view"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center_horizontal"
                android:layout_marginTop="10dp"
                android:layout_marginStart="@dimen/gesture_tutorial_subtitle_margin_start_end"
                android:layout_marginEnd="@dimen/gesture_tutorial_subtitle_margin_start_end"
                style="@style/TextAppearance.GestureTutorial.Subtitle"/>

        </LinearLayout>

        <Space
            android:layout_width="wrap_content"
            android:layout_weight="1"
            android:layout_height="0dp"
            android:layout_marginTop="48dp"
            android:layout_gravity="center_horizontal"
            android:gravity="center_horizontal"
            android:orientation="vertical"/>

        <!-- android:stateListAnimator="@null" removes shadow and normal on click behavior (increase
             of elevation and shadow) which is replaced by ripple effect in android:foreground -->
        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="46dp"
            android:layout_marginBottom="48dp"
            android:layout_gravity="center_horizontal">

            <Button
                android:id="@+id/gesture_tutorial_fragment_action_button"
                android:layout_width="142dp"
                android:layout_height="49dp"
                android:layout_marginEnd="@dimen/gesture_tutorial_button_margin_start_end"
                android:layout_alignParentEnd="true"
                android:stateListAnimator="@null"
                android:background="@drawable/gesture_tutorial_action_button_background"
                android:foreground="?android:attr/selectableItemBackgroundBorderless"
                style="@style/TextAppearance.GestureTutorial.ButtonLabel"/>

            <Button
                android:id="@+id/gesture_tutorial_fragment_action_text_button"
                android:layout_width="142dp"
                android:layout_height="49dp"
                android:layout_marginStart="@dimen/gesture_tutorial_button_margin_start_end"
                android:layout_alignParentStart="true"
                android:stateListAnimator="@null"
                android:background="@null"
                android:foreground="?android:attr/selectableItemBackgroundBorderless"
                style="@style/TextAppearance.GestureTutorial.TextButtonLabel"/>

        </RelativeLayout>
    </LinearLayout>
</RelativeLayout>