How to update/refresh specific item in RecyclerView

Question

I\'m trying to refresh specific item in RecyclerView.

Story: Whenever user clicks on item, it shows AlertDialog. User can

Answer 1

That's also my last problem. Here my solution I use data Model and adapter for my RecyclerView

 /*Firstly, register your new data to your model*/
 DataModel detail = new DataModel(id, name, sat, image);

 /*after that, use set to replace old value with the new one*/
 int index = 4;
 mData.set(index, detail);

 /*finally, refresh your adapter*/
 if(adapter!=null)
    adapter.notifyItemChanged(index);