@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    mRef = FirebaseDatabase.getInstance().getReference();

    listRef =mRef.child("itemlist");


    recyclerView = (RecyclerView) findViewById(R.id.recyclerView);
    recyclerViewLayoutManager = new LinearLayoutManager(this);
    recyclerView.setHasFixedSize(false);
    recyclerView.setLayoutManager(recyclerViewLayoutManager);

    recyclerView.addOnItemTouchListener(
            new RecyclerItemClickListener(MainActivity.this, recyclerView, new RecyclerItemClickListener.OnItemClickListener() {
                @Override
                public void onItemClick(View childView, int position) {
                    Log.v(TAG,"YouClickon"+ position);


                }
            }){

            }
    );
}

@Override
protected void onStart() {
    super.onStart();

    attachRecyclerViewAdapter();

}

@Override
protected void onStop() {
    super.onStop();

    if(mRecyclerViewAdapter != null){
        mRecyclerViewAdapter.cleanup();
    }
}

private void attachRecyclerViewAdapter() {

    mRecyclerViewAdapter = new FirebaseRecyclerAdapter<ItemList, ItemHolder>(
            ItemList.class,
            R.layout.shop_recycler_row_view,
            ItemHolder.class,
            listRef
    ) {
        @Override
        protected void populateViewHolder(ItemHolder itemHolder, ItemList item, int i) {
            itemHolder.setName(item.getName());
            itemHolder.setDescription(item.getDescription());
        }
    };

    recyclerView.setAdapter(mRecyclerViewAdapter);
}


public static class ItemHolder extends RecyclerView.ViewHolder{
    View mView;

    public ItemHolder(View itemView) {
        super(itemView);
        mView = itemView;
    }

    public void setName(String name){
        TextView field = (TextView) mView.findViewById(R.id.tv_shopName);
        field.setText(name);
    }

    public void setDescription(String text) {
        TextView field = (TextView) mView.findViewById(R.id.tv_shopDesc);
        field.setText(text);
    }



}