<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:id="@android:id/background">
        <shape>
            <solid android:color="#40ffffff" />
            <corners android:radius="20dip" />
        </shape>
    </item>
    <item android:id="@android:id/progress">
        <scale
            android:scaleWidth="0%"
            android:scaleHeight="100%"
            android:scaleGravity="bottom">
            <shape>
                <solid android:color="?attr/colorPrimary" />
                <corners android:radius="20dip" />
            </shape>
        </scale>
    </item>
</layer-list>