custom_grid.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_margin="0dp"
    android:orientation="vertical">

    <View
        android:layout_width="match_parent"
        android:layout_height="100dp"
        android:layout_gravity="center"
        android:layout_margin="9dp"
        android:background="#DCDCDC" />

    <View
        android:layout_width="match_parent"
        android:layout_height="6dp"
        android:layout_marginBottom="3dp"
        android:layout_marginLeft="9dp"
        android:layout_marginRight="9dp"
        android:background="#DCDCDC" />


</LinearLayout>