app/src/main/res/values/simpleButtonStyle.xml
<?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="simpleButtonStyle">
<item name="android:layout_width">wrap_content</item>
<item name="android:layout_height">wrap_content</item>
<item name="android:textColor">@color/black</item>
<item name="android:foreground">?attr/selectableItemBackground</item>
</style>
</resources>