Quelle  ic_thumbscroller.xml

<vector xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:aapt="http://schemas.android.com/aapt"
    android:width="35dp"
    android:height="56dp"
    android:viewportWidth="40"
    android:viewportHeight="64">
    <path
        android:pathData="M31.995,64C34.7718,64 37.4296,63.6522 39.9985,62.9874C39.9985,62.9874 39.9985,1.009 39.9985,1.009C37.4405,0.3503 34.7587,0 31.995,0C14.3219,0 -0.005,14.3269 -0.005,32C-0.005,49.6731 14.3219,64 31.995,64Z"
        android:strokeWidth="0"
        android:strokeColor="#00000000">
        <aapt:attr name="android:fillColor">
            <gradient
                android:type="radial"
                android:centerX="32"
                android:centerY="32"
                android:gradientRadius="31">
                <item
                    android:offset="0.0"
                    android:color="#FF000000" />
                <item
                    android:offset="0.6"
                    android:color="#FF888888" />
                <item
                    android:offset="1.0"
                    android:color="#00000000" />
            </gradient>
        </aapt:attr>
    </path>
    <path
        android:pathData="M33,58C35.4297,58 37.7507,57.6944 39.9985,57.1127C39.9985,57.1127 39.9985,2.8785 39.9985,2.8785C37.7603,2.3022 35.4182,2 33,2C17.536,2 5,14.536 5,30C5,45.464 17.536,58 33,58Z"
        android:strokeWidth="0"
        android:fillType="evenOdd"
        android:fillColor="?attr/colorOnSurfaceInverse" />
    <path
        android:pathData="M34,35l-6,6l-6,-6z"
        android:strokeLineJoin="round"
        android:strokeWidth="0.5"
        android:fillColor="?attr/colorOnSurface"
        android:fillType="nonZero"
        android:strokeColor="?attr/colorOnSurface" />
    <path
        android:pathData="M34,26l-6,-6l-6,6z"
        android:strokeLineJoin="round"
        android:strokeWidth="0.5"
        android:fillColor="?attr/colorOnSurface"
        android:fillType="nonZero"
        android:strokeColor="?attr/colorOnSurface" />
</vector>