splash_screen._dark.xml

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


    <item
        android:id="@+id/splash_background"
        android:drawable="@android:color/darker_gray"
        android:gravity="fill" >

    </item>

    <item android:gravity="center"  android:height="100dp" android:width="100dp">
        <bitmap
            android:gravity="fill"
            android:src="@drawable/sad" />
    </item>

</layer-list>