vector-drawable-1.xml

<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="12dp"
    android:height="12dp"
    android:viewportWidth="12"
    android:viewportHeight="12">

    <path
        android:name="my_path"
        android:pathData="M 6 3 L 6 9"
        android:strokeColor="#a4c639"
        android:strokeWidth="3"
        android:strokeLineCap="round" />
</vector>