RecyclerViewAdapter.java

public class RecyclerViewAdapter extends RecyclerView.Adapter<DataObjectHolder> {

    public RecyclerViewAdapter() {
    }

    @Override
    public DataObjectHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        Timber.i("onCreateViewHolder");

        View view = new ChatItemView(parent.getContext());

        RecyclerView.LayoutParams lp = new RecyclerView.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
        view.setLayoutParams(lp);
        DataObjectHolder dataObjectHolder = new DataObjectHolder(view);
        return dataObjectHolder;
    }

    @Override
    public void onBindViewHolder(DataObjectHolder holder, int position) {
            int viewHeight = chatItemView.getMeasuredHeight();

            if (isShowEmptyView){
                if (viewHeight < recyclerViewHeight){
                    chatItemView.setEmptyView(View.VISIBLE, recyclerViewHeight - viewHeight); //ผลลัพธ์ของ recyclerViewHeight - viewHeight ที่ค่า height ของ empty view
                }
                else{
                    chatItemView.setEmptyView(View.GONE, 0);
                }
            }
            else{
                chatItemView.setEmptyView(View.GONE, 0);
            }
    }

}