The splash screen drawable to be set in the theme

splash_drawable.xml

<?xml version="1.0" encoding="utf-8"?>

<layer-list xmlns:android="http://schemas.android.com/apk/res/android" android:opacity="opaque">

    <!-- The white background color as one in Amazon, YouTube, or Drive app -->
    <item android:drawable="@android:color/white"/>

    <!-- App logo -->
    <item>
        <bitmap
            android:src="@drawable/amazon_logo"
            android:gravity="center">
        </bitmap>
    </item>

</layer-list>