LottieSample/src/main/res/drawable/inverted_background.xml - external/github.com/airbnb/lottie-android - Git at Google

 <?xml version="1.0" encoding="utf-8"?>
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
     <item android:state_activated="true" android:drawable="@android:color/black" />
     <item android:drawable="@android:color/white" />
 </selector>
	<?xml version="1.0" encoding="utf-8"?>
	<selector xmlns:android="http://schemas.android.com/apk/res/android">
	<item android:state_activated="true" android:drawable="@android:color/black" />
	<item android:drawable="@android:color/white" />
	</selector>