M_RecyclerView ContactAdapter

public class ContactAdapter extends 
              RecyclerView.Adapter<ContactAdapter.ContactViewHolder> {
 
              private List<ContactInfo> contactList;
              
              public ContactAdapter(List<ContactInfo> contactList) {
                 this.contactList = contactList;
              }
 
             @Override
             public int getItemCount() {
                 return contactList.size();
             }
             
             @Override
             public void onBindViewHolder(ContactViewHolder contactViewHolder, int i) {
                 ContactInfo ci = contactList.get(i);
                 contactViewHolder.vName.setText(ci.name);
                 contactViewHolder.vSurname.setText(ci.surname);
                 contactViewHolder.vEmail.setText(ci.email);
                 contactViewHolder.vTitle.setText(ci.name + " " + ci.surname);
             }
 
            @Override
            public ContactViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) {
              View itemView = LayoutInflater.from(viewGroup.getContext()).
              inflate(R.layout.card_layout, viewGroup, false);
              return new ContactViewHolder(itemView);
            }
 
            public static class ContactViewHolder extends RecyclerView.ViewHolder {
              ...
            }
}