android-app/res/layout/article_list.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:orientation="vertical" android:padding="10sp"
        android:layout_width="fill_parent" android:layout_height="fill_parent">

        <TextView
            android:id="@+id/listitem_titre"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:textSize="20sp"
            android:typeface="serif" />

</LinearLayout>