fragment_quote.xml

<?xml version="1.0" encoding="utf-8"?>

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

<TextView
  android:id="@+id/quote"
  android:gravity="center"
  android:textSize="20sp"
  android:layout_margin="10dp"
  android:layout_width="match_parent"
  android:layout_height="wrap_content" >

<TextView
  android:id="@+id/author"
  android:gravity="center"
  android:textStyle="italic"
  android:layout_margin="10dp"
  android:textSize="18sp"
  android:layout_width="match_parent"
  android:layout_height="wrap_content" >

</LinearLayout>