<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
    <item>
        <shape android:shape="oval">
            <size android:width="150dp"
                  android:height="150dp"/>
    		<solid android:color="#416589"/>
		</shape>
   	</item>
    <item
        android:drawable="@drawable/ic_drink_minus"
        android:id="@+id/inject_drink"
        android:top="40dp"
        android:left="40dp"
        android:bottom="40dp"
        android:right="40dp"/>
    
</layer-list>
Add xml for the selected minus button
Add xml for the selected minus button
