Android 更新RecyclerView的好方法

private int position;//当前recyclerview的position@BindView(R.id.speak_valuate_recycler_view)RecyclerView recyclerView;private LinearLayoutManager mRecyclerViewLayoutManager;mRecyclerViewLayoutManager = new LinearLayoutManager(this);mRecyclerViewLayoutManager.setOrientation(LinearLayoutManager.HORIZONTAL);recyclerView.setLayoutManager(mRecyclerViewLayoutManager);private void changVolume(final int volume) {    int first = mRecyclerViewLayoutManager.findFirstVisibleItemPosition();    int last = mRecyclerViewLayoutManager.findLastVisibleItemPosition();    if (position >= first && position <= last) {      View view = recyclerView.getChildAt(position - first);      if (recyclerView.getChildViewHolder(view) instanceof SpeakContentAdapter.SpeakContentHolder) {        //修改数据        ProgressImageView progressImageView = (ProgressImageView) view.findViewById(R.id.speak_item_record);        progressImageView.setProgress(volume);      }    }  }