app/src/main/res/drawable/ic_plus.xml
<!-- drawable/ic_plus.xmlxml -->
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:height="48dp"
android:width="48dp"
android:viewportWidth="24"
android:viewportHeight="24">
<path android:fillColor="#000" android:pathData="M19,13H13V19H11V13H5V11H11V5H13V11H19V13Z" />
</vector>