android-app/res/layout/list.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/linearLayout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <ListView
        android:id="@+id/liste_articles"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:divider="#000000"
        android:dividerHeight="1dp" >

    </ListView>

</LinearLayout>