<?xml version="1.0" encoding="utf-8"?>
<level-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item
        android:drawable="@drawable/ic_volume_0"
        android:maxLevel="0"
        android:minLevel="0" />
    <item
        android:drawable="@drawable/ic_volume_50"
        android:maxLevel="50"
        android:minLevel="1" />
    <item
        android:drawable="@drawable/ic_volume"
        android:maxLevel="100"
        android:minLevel="51" />
</level-list>