文件预览：shape_gradient.xml

<?xml version="1.0" encoding="utf-8"?> <shape xmlns:android="http://schemas.android.com/apk/res/android"> <gradient android:angle="180" android:endColor="@color/purple_500" android:startColor="@color/purple_200" android:type="linear" /> <corners android:radius="10dp" /> </shape>