<?xml version="1.0" encoding="utf-8"?>
<vector
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="20dp"
    android:height="20dp"
    android:viewportWidth="20"
    android:viewportHeight="20">

  <!-- Group containing the outer two circles that we will scale -->
  <group
      android:name="animatable_group"
      android:pivotX="10"
      android:pivotY="10"
      android:scaleX="0"
      android:scaleY="0">

    <!-- Outer circle (radius = 10) -->
    <path
        android:name="outer_circle"
        android:pathData="M10,10m-10,0a10,10 0,1 1,20 0a10,10 0,1 1,-20 0"
        android:fillColor="@color/palette_system_green"
        android:fillAlpha="0.2" />

    <!-- Middle circle (radius = 7) -->
    <path
        android:name="middle_circle"
        android:pathData="M10,10m-7,0a7,7 0,1 1,14 0a7,7 0,1 1,-14 0"
        android:fillColor="@color/palette_system_green"
        android:fillAlpha="0.4" />

  </group>

  <!-- Center circle (radius = 4), remains static -->
  <path
      android:name="center_circle"
      android:pathData="M10,10m-4,0a4,4 0,1 1,8 0a4,4 0,1 1,-8 0"
      android:fillColor="@color/palette_system_green" />

</vector>