mainActivity_navigationView_header.axml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="240dp">
  <ImageView
      android:layout_width="match_parent"
      android:layout_height="240dp"
      android:adjustViewBounds="true"
      android:scaleType="centerCrop"
      android:src="@drawable/background_2114367_640" />
  <LinearLayout
      android:layout_width="match_parent"
      android:layout_height="240dp"
      android:orientation="vertical"
      android:gravity="bottom"
      android:layout_marginLeft="16dp">
    <ImageView
        android:layout_width="44dp"
        android:layout_height="44dp"
        android:id="@+id/mainActivity_navigationView_header_imageview_userAvatar" />
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/mainActivity_navigationView_header_textview_UserPseudo"
        android:textStyle="bold"
        android:textColor="@color/white" />
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/mainActivity_navigationView_header_textview_UserDesc"
        android:textColor="@color/white"
        android:layout_marginBottom="16dp" />
  </LinearLayout>
</RelativeLayout>