<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:shape="oval"
    tools:ignore="ResourceName">
    <solid android:color="#6F76FD"/> <!-- 填充颜色 -->
    <size android:width="100dp" android:height="100dp"/> <!-- 直径固定 -->
</shape>