app/src/main/res/drawable/plus.xml
<!-- drawable/plus.xml --><vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:width="24dp" android:viewportWidth="24" android:viewportHeight="24"><path android:fillColor="#000000" android:pathData="M19,13H13V19H11V13H5V11H11V5H13V11H19V13Z" /></vector>