<?xml version="1.0" encoding="UTF-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <!--pb背景样式-->
    <item
        android:id="@android:id/background"
        android:drawable="@drawable/pgs_bar_bg" />
    <!--pb进度条样式-->
    <item android:id="@android:id/progress">
        <scale
            android:drawable="@drawable/shape_pg_sb"
            android:scaleWidth="100%" />
    </item>

</layer-list>