I am making an application which consist of **recyclerView** in it, I have implemented it successfully, now what I 
 want is that if I place a button on toolbar for **rolling back to top of item in recycleView** and when I click that button my RecyclerView rolls to **top item** or the **first item** which is present in my **recycleView list**, I have researched many questions but did not found any useful solution to my problem. please help

> 
> I am using Android Studio.
> 
> 
> and the RecyclerView is also **reversed** using 
> 
> 
> 

```
layout.setReverseLayout(true)
layout.setStackFromEnd(true);

```

> 
> so that if a new post comes it
>  will be shown on top rather than bottom
> 
> 
>