Fragmentation

fragment_category.xml
<?xml version=”1.0″ encoding=”utf-8″?>
<RelativeLayout xmlns:android=”http://schemas.android.com/apk/res/android&#8221;
xmlns:tools=”http://schemas.android.com/tools&#8221;
android:layout_width=”match_parent”
android:layout_height=”match_parent”
android:padding=”16dp”
android:layout_columnWeight=”2″
tools:context=”project.oleo.MainActivity”>

<android.support.v7.widget.RecyclerView
android:id=”@+id/list_category”
android:layout_width=”match_parent”
android:layout_height=”wrap_content”
/>

</RelativeLayout>