res/layout/onboarding_welcome_background.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (C) 2015 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">
    <ImageView
        android:id="@+id/cloud1"
        android:layout_width="182dp"
        android:layout_height="114dp"
        android:layout_marginTop="140dp"
        android:layout_marginStart="-47dp"
        android:layout_gravity="start"
        android:src="@drawable/cloud01"
        android:contentDescription="@null" />
    <ImageView
        android:id="@+id/cloud2"
        android:layout_width="120dp"
        android:layout_height="74dp"
        android:layout_marginTop="100dp"
        android:layout_marginEnd="-40dp"
        android:layout_gravity="end"
        android:src="@drawable/cloud02"
        android:contentDescription="@null" />
</FrameLayout>