<?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="wrap_content"
    android:background="@android:color/holo_green_dark"
    android:orientation="vertical"
    android:padding="10dp">

    <TextView
        android:id="@+id/contactTextView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="2dp"
        android:text="@string/contact_placeholder"
        android:textSize="15dp"
        android:textStyle="bold" />

    <TextView
        android:id="@+id/lastMessageTextView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:inputType="textMultiLine"
        android:text="@string/message_placeholder" />

</LinearLayout>

<?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="wrap_content"
    android:orientation="vertical"
    android:paddingEnd="10dp"
    android:paddingLeft="10dp"
    android:paddingRight="10dp"
    android:paddingStart="10dp"
    android:paddingTop="10dp">

    <TextView
        android:id="@+id/contactTextView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="2dp"
        android:text="@string/contact_placeholder"
        android:textSize="15dp"
        android:textStyle="bold" />

    <TextView
        android:id="@+id/lastMessageTextView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="10dp"
        android:inputType="textMultiLine"
        android:text="@string/message_placeholder" />

    <View
        android:layout_width="match_parent"
        android:layout_height="1dp"
        android:background="@android:color/darker_gray" />

</LinearLayout>

Add gray divider to the bottom of the item
Add gray divider to the bottom of the item
