Single selection in RecyclerView

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The solution for the issue:

public class yourRecyclerViewAdapter extends RecyclerView.Adapter<yourRecyclerViewAdapter.yourViewHolder> {

    private static CheckBox lastChecked = null;
    private static int lastCheckedPos = 0;


    public void onBindViewHolder(ViewHolder holder, final int position) {
    
        holder.mTextView.setText(fonts.get(position).getName());
        holder.checkBox.setChecked(fonts.get(position).isSelected());
        holder.checkBox.setTag(new Integer(position));

        //for default check in first item
        if(position == 0 && fonts.get(0).isSelected() && holder.checkBox.isChecked())
        {
           lastChecked = holder.checkBox;
           lastCheckedPos = 0;
        }
           
        holder.checkBox.setOnClickListener(new View.OnClickListener() 
        {
            @Override
            public void onClick(View v) 
            {
               CheckBox cb = (CheckBox)v;
               int clickedPos = ((Integer)cb.getTag()).intValue(); 

               if(cb.isChecked())
               {
                  if(lastChecked != null)
                  {
                      lastChecked.setChecked(false);
                      fonts.get(lastCheckedPos).setSelected(false);
                  }                       
                 
                  lastChecked = cb;
                  lastCheckedPos = clickedPos;
              }
              else
                 lastChecked = null;

              fonts.get(clickedPos).setSelected(cb.isChecked);
           }
       });
    }
}

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