projects/syncslides/app/src/main/res/layout/presentation_card.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.CardView
    android:id="@+id/presentation_card"
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="@dimen/presentation_card_width"
    android:layout_height="wrap_content"
    android:layout_margin="@dimen/presentation_card_margin"
    android:layout_gravity="center">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">

        <!-- A thumbnail of the presentation title slide. -->
        <ImageView
            android:id="@+id/presentation_thumb"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:scaleType="centerCrop"/>

        <!-- Display the title of the presentation and a menu to configure it. -->
        <Toolbar
            android:id="@+id/presentation_card_toolbar"
            android:layout_width="match_parent"
            android:layout_height="48dp"></Toolbar>

    </LinearLayout>

</android.support.v7.widget.CardView>