title: Fetch the recyclerview data based on the data id
body: <p>I have one recycler view. when I am clicking on the recycler item i am going to other activity and i am doing some task there and finishing that activity. And when I am clicking on the recycler item I am saving that data id in a variable, not position. So, when i am coming back from second activity to first activity i want to update the data of the particular recycler row item which one i clicked. I have the Id of that particular, I cant do with the positions. 
  Any one please help me out of this.</p>
  
  <p>Thanks in Advance.</p>