`public class MessageAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {

    Context context;
    private List<Object> items;
    public static final int TYPE_MSG_HEADER= 0;
    public static final int TYPE_MSG_INCOMING = 1;
    public static final int TYPE_MSG_OUTGOING = 2;
    public static final int TYPE_MSG_NEARBY_LIST =3;
    RecyclerView.Adapter horizontalAdapater;


    public MessageAdapter(Context context,List<Object> items) {
        this.context=context;
        this.items = items;


    }

    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup viewGroup, int viewType)
    {

        RecyclerView.ViewHolder viewHolder=null;
        LayoutInflater inflater = LayoutInflater.from(viewGroup.getContext());
        View view;

        switch (viewType)
        {
            case TYPE_MSG_HEADER:
                view = inflater.inflate(R.layout.msg_header, viewGroup, false);
                viewHolder = new ViewHolder1(view);
                break;
            case  TYPE_MSG_INCOMING:
                view = inflater.inflate(R.layout.st_get_msg_left, viewGroup, false);
                viewHolder = new ViewHolder2(view);
                break;
            case TYPE_MSG_OUTGOING:
                view = inflater.inflate(R.layout.st_get_msg_right, viewGroup, false);
                viewHolder = new ViewHolder3(view);
                break;
            case TYPE_MSG_NEARBY_LIST:
                view= inflater.inflate(R.layout.near_resturant_albym, viewGroup, false);
                viewHolder = new ViewHolder4(view);
                break;
        }
        return viewHolder;
    }


    @Override
    public void onBindViewHolder(RecyclerView.ViewHolder viewHolder, final int position) {



        switch (viewHolder.getItemViewType())
        {
            case TYPE_MSG_HEADER:
                ViewHolder1 vh1 = (ViewHolder1) viewHolder;
                configureViewHolder1(vh1, position);
                break;
            case  TYPE_MSG_INCOMING:
                ViewHolder2 vh2 = (ViewHolder2) viewHolder;
                configureViewHolder2(vh2, position);
                break;
            case TYPE_MSG_OUTGOING:
                ViewHolder3 vh3 = (ViewHolder3) viewHolder;
                configureViewHolder3(vh3, position);
                break;
            case TYPE_MSG_NEARBY_LIST:
                ViewHolder4 vh4 = (ViewHolder4) viewHolder;
                configureViewHolder4(vh4, position);
                break;
        }


    }
    private void configureViewHolder1(ViewHolder1 vh1, int position) {

    }
    private void configureViewHolder2(ViewHolder2 vh2, int position) {
        MsgIncomingDetails user = (MsgIncomingDetails) items.get(position);
        if (user != null) {
            vh2.setImage(user.getPic_url());
            vh2.setSubmsg(user.getSub_msg());
        }
    }
    private void configureViewHolder3(ViewHolder3 vh3, int position) {
        MsgOutgoingDetails user = (MsgOutgoingDetails) items.get(position);
        if (user != null) {
            vh3.setSubmsg(user.getSub_msg());
        }
    }
    private void configureViewHolder4(ViewHolder4 vh4,final int position)
    {
        SugectionList sugectionList=(SugectionList)items.get(position) ;
        horizontalAdapater =new HorizontalAdapter(context,sugectionList.getNearByListDetailsList());

        vh4.recycler_view_list.setLayoutManager(new LinearLayoutManager(context, LinearLayoutManager.HORIZONTAL, false));
        vh4.recycler_view_list.setAdapter(horizontalAdapater);
        vh4.recycler_view_list.setHasFixedSize(true);
        //adapater.notifyDataSetChanged();
        //notifyItemInserted(position);
        vh4.recycler_view_list.addOnItemTouchListener(new RecyclerItemClickListener(context, new RecyclerItemClickListener.OnItemClickListener() {
                    @Override
                    public void onItemClick(View v, int pos)
                    {

                        NearByListDetails list=((SugectionList) items.get(position)).getNearByListDetailsList().get(pos);
                        Intent intent=new Intent(context, CardDetailScreen.class);
                        Bundle b = new Bundle();
                        b.putSerializable("nearlist", list);
                        intent.putExtras(b);
                        context.startActivity(intent);
                    }
                })
        );

    }


    @Override
    public int getItemCount() {
        return items.size();
    }

    @Override
    public int getItemViewType(int position) {
        if (items.get(position) instanceof MsgIncomingDetails) {
            return TYPE_MSG_INCOMING;
        }
        else if (items.get(position) instanceof MsgOutgoingDetails) {
            return TYPE_MSG_OUTGOING;
        }
        else if (items.get(position) instanceof MsgHeaderDetails) {
            return TYPE_MSG_HEADER;
        }
        else if (items.get(position) instanceof SugectionList) {
            return TYPE_MSG_NEARBY_LIST;
        }
        return -1;

    }


    public class ViewHolder1 extends RecyclerView.ViewHolder {

        public ViewHolder1(View itemView) {
            super(itemView);


        }


    }

    public class ViewHolder2 extends RecyclerView.ViewHolder
    {

        AppCompatImageView imgView;
        TextView txtLastMsg;

        public ViewHolder2(View itemView) {
            super(itemView);


            txtLastMsg = (TextView) itemView.findViewById(R.id.txtLastMsgRecvd);
            imgView = (AppCompatImageView) itemView.findViewById(R.id.imgvProfPic);
        }

        public void setSubmsg(String submsg)
        {
            if (null == txtLastMsg) return;
            txtLastMsg.setText(submsg);
        }

        public void setImage(String img_url)
        {
            if (null == imgView) return;
            if(img_url!=null && !(img_url.equals("")))
            {
                Picasso.with(context).load(img_url).into(imgView);
            }
            else
            {
                Picasso.with(context).load(R.drawable.betty_icon).into(imgView);

            }

        }
    }

    public class ViewHolder3 extends RecyclerView.ViewHolder {


        TextView txtLastMsg;
        public ViewHolder3(View itemView)
        {
            super(itemView);
            txtLastMsg = (TextView) itemView.findViewById(R.id.txtLastMsgRecvd);

        }

        public void setSubmsg(String submsg)
        {
            if (null == txtLastMsg) return;
            txtLastMsg.setText(submsg);
        }
    }

    public class ViewHolder4 extends RecyclerView.ViewHolder {


        public RecyclerView recycler_view_list;

        public ViewHolder4(View itemView)
        {
            super(itemView);
            recycler_view_list=(RecyclerView)itemView.findViewById(R.id.recyclerViewNearByRest);
        }

    }

}`

`public class HorizontalAdapter extends RecyclerView.Adapter<HorizontalAdapter.MyViewHolder> {

    private Context mContext;
    private List<NearByListDetails> albumList;
    CustomItemClickListener listener;

    public class MyViewHolder extends RecyclerView.ViewHolder {
        public TextView txtTitle,txtAddress,txtPrice,txtRate,txtRatelbl;
        public ImageView thumbnail;

        public MyViewHolder(View view) {
            super(view);
            txtTitle = (TextView) view.findViewById(R.id.title);
            txtAddress = (TextView) view.findViewById(R.id.txtAddress);
            txtPrice = (TextView) view.findViewById(R.id.txtPrice);
            txtRatelbl= (TextView) view.findViewById(R.id.txtRatelbl);
            txtRate = (TextView) view.findViewById(R.id.txtRate);
            thumbnail = (ImageView) view.findViewById(R.id.thumbnail);

        }
    }


    public HorizontalAdapter(Context mContext, List<NearByListDetails> albumList) {
        this.mContext = mContext;
        this.albumList = albumList;
        //this.listener=listener;
    }

    @Override
    public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View mView = LayoutInflater.from(parent.getContext()).inflate(R.layout.album_card, parent, false);
        final MyViewHolder mViewHolder = new MyViewHolder(mView);
        mView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                try
                {
                    listener.onItemClick(v, mViewHolder.getPosition());
                }
                catch (Exception e)
                {
                    e.printStackTrace();
                }

            }
        });
        return mViewHolder;
    }

    @Override
    public void onBindViewHolder(final MyViewHolder holder, int position) {
        NearByListDetails album = albumList.get(position);
        holder.txtTitle.setText(album.getTitle());
        holder.txtAddress.setText(album.getAddress());
        holder.txtPrice.setText(album.getPrice());
        holder.txtRate.setText(album.getRate());
        // loading album cover using Picasso library
        if((album.getImage_url()!=null )&& !(album.getImage_url().equals("")))
        Picasso.with(mContext).load(album.getImage_url()).into(holder.thumbnail);
    }




    @Override
    public int getItemCount() {
        return albumList.size();
    }
}
`