<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="@dimen/nav_header"
    android:background="@drawable/nav_background"
    android:gravity="bottom"
    android:orientation="vertical"
    android:padding="@dimen/margin_large"
    android:theme="@style/ThemeOverlay.AppCompat.Dark">

    <ImageView
        android:layout_width="@dimen/nav_avatar"
        android:layout_height="@dimen/nav_avatar"
        android:paddingTop="@dimen/margin_large"
        android:src="@drawable/nav_avatar" />

    <TextView
        android:id="@+id/name"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:paddingTop="@dimen/margin_large"
        android:text=""
        android:textAppearance="@style/TextAppearance.AppCompat.Body2" />

    <TextView
        android:id="@+id/username"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text=""
        android:textAppearance="@style/TextAppearance.AppCompat.Caption" />

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="@dimen/nav_header"
    android:background="@drawable/nav_background"
    android:gravity="bottom"
    android:orientation="vertical"
    android:padding="@dimen/margin_large"
    android:theme="@style/ThemeOverlay.AppCompat.Dark">

    <ImageView
        android:layout_width="@dimen/nav_avatar"
        android:layout_height="@dimen/nav_avatar"
        android:paddingTop="@dimen/margin_large"
        android:src="@drawable/nav_avatar" />

    <TextView
        android:id="@+id/name"
        tools:text="Abhijit Parida"
        android:textColor="@color/white"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:paddingTop="@dimen/margin_large"
        android:textAppearance="@style/TextAppearance.AppCompat.Body2" />

    <TextView
        android:id="@+id/username"
        tools:text="1541001337"
        android:textColor="@color/white"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textAppearance="@style/TextAppearance.AppCompat.Caption" />

</LinearLayout>

Fix nav header text color
Fix nav header text color
