How we can set or change the background of Swipe layout or Recycle view like Whatsapp chat

Question

I want to create same UI as whatsapp chat.Here you can see whatsapp has background image:

Now this is my app in which I have a relative layout that contains swipe layout ( androidx.swiperefreshlayout ) in which it has recycle view. This is my app with normal color background:

I just want to set an image in the background same as WhatsApp. In order to achieve this what should I do?

Answer 1

Why don't you put it in the XML like this?

  <androidx.recyclerview.widget.RecyclerView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/lst_main"
        android:background="@drawable/name_of_your_background"
        />