app/src/main/res/layout/drawer_header.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:orientation="vertical" android:layout_width="match_parent"
              android:padding="10dp"
              android:gravity="center"
              android:layout_height="80dp"
              android:layout_gravity="center">

    <ImageView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:src="@drawable/ndn_logo"
        android:layout_gravity="center" />

</LinearLayout>