sPFApp/src/main/java/it/polimi/spf/app/fragments/groupinfo/ClientsRecyclerViewAdapter.java
@Override
    public ViewHolder onCreateViewHolder(ViewGroup viewGroup, int viewType) {
        // Create a new view.
        View v = LayoutInflater.from(viewGroup.getContext())
                .inflate(R.layout.device_card_view, viewGroup, false);
        return new ViewHolder(v);
    }
@Override
    public ViewHolder onCreateViewHolder(ViewGroup viewGroup, int viewType) {
        // Create a new view.
        View v = LayoutInflater.from(viewGroup.getContext())
                .inflate(R.layout.device_card_view, viewGroup, false);
        return new ViewHolder(v);
    }
Create new views (invoked by the layout manager)