<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"

    android:shape="oval"
    android:thicknessRatio="2">
    <solid android:color="@android:color/transparent" />
    <size
        android:height="25dp"
        android:width="25dp" />
    <stroke
        android:width="2dp"
        android:color="?attr/colorSecondary" />
</shape>