文件预览：ic_winbollbeta.xml

<?xml version="1.0" encoding="utf-8"?> <layer-list xmlns:android="http://schemas.android.com/apk/res/android" android:clickable="true"> <item android:drawable="@drawable/ic_launcher_background"/> <item android:left="0dp" android:top="0dp" android:right="0dp" android:bottom="0dp" android:drawable="@drawable/ic_winboll_logo"/> </layer-list>