<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <!-- 设置整个屏幕背景为白色 -->
    <item>
        <color android:color="@android:color/white" />
    </item>

    <!-- 中间logo -->
    <item android:top="120dp">
        <bitmap
            android:gravity="top|center_horizontal"
            android:src="@mipmap/icon_qd" />
    </item>


    <item android:top="470dp">
     <bitmap
         android:gravity="top|center_horizontal"
         android:src="@mipmap/abcdss" />
    </item>

</layer-list>