res/layout/conversation_photo_teaser_view.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (c) 2013 Google Inc. -->
<com.google.android.gm.ui.GmailConversationPhotoTeaserView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="@color/swiped_bg_color" >

    <LinearLayout
        android:id="@+id/swipeable_content"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@drawable/conversation_read_selector"
        android:orientation="horizontal"
        android:paddingLeft="16dp"
        android:paddingRight="16dp" >

        <ImageView
            android:id="@+id/arrow"
            android:layout_width="48dp"
            android:layout_height="wrap_content"
            android:layout_marginBottom="12dp"
            android:layout_marginRight="12dp"
            android:duplicateParentState="true"
            android:src="@drawable/ic_arrow"
            android:visibility="invisible" />

        <TextView
            android:id="@+id/text"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="center_vertical"
            android:layout_marginBottom="12dp"
            android:layout_marginTop="12dp"
            android:duplicateParentState="true"
            android:fontFamily="sans-serif-light"
            android:text="@string/conversation_photo_welcome_text"
            android:textColor="@color/teaser_main_text"
            android:textSize="16sp" />
    </LinearLayout>

</com.google.android.gm.ui.GmailConversationPhotoTeaserView>