fragment_dashboard.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/griview"
        android:numColumns="auto_fit"
        android:gravity="center"
        android:columnWidth="100dp"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>


</RelativeLayout>