app/src/main/res/drawable/splash_background.xml

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:drawable="@color/colorPrimary" />

    <item
        android:width="150dp"
        android:height="150dp"
        android:drawable="@drawable/launcher_image"
        android:gravity="center"/>
</layer-list>