Recycler View custom beautiful layout xml code for android studio -

 layout_item.xml code -

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="#EFEFEF"
    android:orientation="vertical">

    <androidx.cardview.widget.CardView
        android:layout_width="match_parent"
        android:layout_height="111dp"
        android:layout_margin="11dp"
        android:layout_marginTop="7dp"
        app:cardCornerRadius="11dp">

        <LinearLayout
            android:id="@+id/linear_layout"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_margin="11dp"
            android:background="#9AFFF6"
            android:orientation="vertical">

            <TextView
                android:id="@+id/name"
                android:layout_width="match_parent"
                android:layout_height="match_parent"

                android:layout_marginTop="5dp"
                android:gravity="center"
                android:padding="11dp"
                android:text="item"
                android:textColor="#FF0202"
                android:textSize="18sp"
                android:textStyle="bold" />

        </LinearLayout>
    </androidx.cardview.widget.CardView>

</LinearLayout>

Create a corner radius item layout -

Step 1- Create a drawable recourse  layout item.xml 

write this code

<?xml version="1.0" encoding="utf-8"?>
<shape
    xmlns:android1="http://schemas.android.com/apk/res/android"
    android1:shape="rectangle">
    <solid android1:color="#000000" />
    <corners android1:radius="10dp" />
    <stroke android1:color="@color/white"
        android1:width="2dp"  >
    </stroke>



</shape>