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

 <item android:drawable="@drawable/ic_splash_background"
     android:gravity="fill_horizontal|fill_vertical"/>

 <item>
  <bitmap
      android:src="@drawable/logo"
      android:gravity="center" />
 </item>

</layer-list>