1 <${sample.package}.cardstream.CardActionButton xmlns:android="http://schemas.android.com/apk/res/android" 2 android:id="@+id/card_button" 3 style="@style/CardActionNeutral" 4 android:layout_width="match_parent" 5 android:layout_height="wrap_content" 6 android:gravity="center_vertical" /> 7