nav_header.xml

nav_header.xml

<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:app="http://schemas.android.com/apk/res-auto"
        xmlns:tools="http://schemas.android.com/tools">

  <data>
      <import type="android.view.View"/>
    <variable
        name="viewModel"
        type="de.comp.proj.shared.models.LoginModel"/>
  </data>

<RelativeLayout
    android:id="@+id/navHeader"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_marginTop="@dimen/default_margin"
    android:orientation="vertical"
    android:theme="@style/ThemeOverlay.AppCompat.Dark">

    <TextView
        android:id="@+id/tvUsername"
        android:padding="@dimen/default_margin"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:visibility="@{viewModel.logged.ld?View.VISIBLE:View.GONE}"
        android:text="@{viewModel.username.ld}"
        android:textColor="@color/colorAccent"/>


    <View
        android:id="@+id/divider"
        android:layout_below="@id/tvUsername"
        android:layout_width="match_parent"
        android:layout_height="@dimen/divider_height"
        android:visibility="@{viewModel.logged.ld?View.VISIBLE:View.GONE}"
        android:layout_marginVertical="@dimen/tiny_margin"
        android:background="@drawable/divider_view" />

</RelativeLayout>
</layout>
comp.proj