Program: 69144
Project: 69144
Buggy source:
@Override protected void convert(BaseViewHolder holder,TopicBean topicBean){
  int newsCount=0;
  String mediaName="String_Node_Str";
  if (null != topicBean.getNewsArray() && !topicBean.getNewsArray().isEmpty()) {
    newsCount=topicBean.getNewsArray().size();
    mediaName=topicBean.getNewsArray().get(0).getSiteName();
  }
  holder.setText(R.id.tv_title,topicBean.getTitle());
  holder.setText(R.id.tv_summary,topicBean.getSummary());
  holder.setVisible(R.id.tv_summary,TextUtils.isEmpty(topicBean.getSummary()) ? false : true);
  holder.setText(R.id.tv_time,FormatUtils.getRelativeTimeSpanString(topicBean.getPublishDate()));
  if (newsCount == 0) {
    holder.setGone(R.id.line,true);
    holder.setGone(R.id.fl_item_footer,true);
  }
 else   if (newsCount == 1) {
    holder.setText(R.id.tv_info,mContext.getString(R.string.single__media___report,mediaName));
  }
 else {
    holder.setText(R.id.tv_info,mContext.getString(R.string.multi__media___report,mediaName,newsCount));
  }
  holder.setVisible(R.id.img_instant_read,topicBean.hasInstantView() ? true : false);
  holder.setOnClickListener(R.id.img_instant_read,v -> InstantReadFragment.newInstance(topicBean.getId()).show(((MainActivity)mContext).getSupportFragmentManager(),InstantReadFragment.TAG));
  holder.setOnClickListener(R.id.ll_item_header,v -> ((SupportActivity)mContext).findFragment(MainFragment.class).start(TopicDetailFragment.newInstance(topicBean.getId(),topicBean.getTitle())));
  ExpandableLayout layoutExpand=holder.getView(R.id.layout_expand);
  layoutExpand.setExpanded(false);
  ImageView imgExpandState=holder.getView(R.id.img_expand_state);
  imgExpandState.setImageResource(R.drawable.ic_more_info);
  holder.setOnClickListener(R.id.fl_item_footer,v -> {
    if (layoutExpand.getState() == ExpandableLayout.State.COLLAPSED) {
      imgExpandState.setImageResource(R.drawable.ic_less_info);
      layoutExpand.setExpanded(true);
    }
 else     if (layoutExpand.getState() == ExpandableLayout.State.EXPANDED) {
      imgExpandState.setImageResource(R.drawable.ic_more_info);
      layoutExpand.setExpanded(false);
    }
  }
);
  ArrayList<TopicNewsBean> newsList=topicBean.getNewsArray();
  LinearLayout layoutSource=holder.getView(R.id.layout_source);
  layoutSource.removeAllViews();
  for (int i=0; i < newsList.size(); i++) {
    View newsItemView=mLayoutInflater.inflate(R.layout.item_topic_news,null,false);
    layoutSource.addView(newsItemView);
    TopicNewsBean news=newsList.get(i);
    NewsViewHolder newsViewHolder=(NewsViewHolder)newsItemView.getTag();
    if (newsViewHolder == null) {
      newsViewHolder=new NewsViewHolder(newsItemView);
      newsItemView.setTag(newsViewHolder);
    }
    newsViewHolder.bindData(news);
    if (newsList.size() > MOST_NEWS_COUNT_PER_ITEM && i == MOST_NEWS_COUNT_PER_ITEM - 1) {
      View newsMoreView=mLayoutInflater.inflate(R.layout.item_topic_news_more,null,false);
      newsMoreView.setOnClickListener(v -> ((SupportActivity)mContext).findFragment(MainFragment.class).start(TopicDetailFragment.newInstance(topicBean.getId(),topicBean.getTitle())));
      layoutSource.addView(newsMoreView);
      break;
    }
 else {
      if (i == newsList.size() - 1) {
        newsViewHolder.setLineVisibility(View.INVISIBLE);
      }
    }
  }
}

Fixed version (ground truth):
@Override protected void convert(BaseViewHolder holder,TopicBean topicBean){
  int newsCount=0;
  String mediaName="String_Node_Str";
  if (null != topicBean.getNewsArray() && !topicBean.getNewsArray().isEmpty()) {
    newsCount=topicBean.getNewsArray().size();
    mediaName=topicBean.getNewsArray().get(0).getSiteName();
  }
  holder.setText(R.id.tv_title,topicBean.getTitle());
  holder.setText(R.id.tv_summary,topicBean.getSummary());
  holder.setVisible(R.id.tv_summary,TextUtils.isEmpty(topicBean.getSummary()) ? false : true);
  holder.setText(R.id.tv_time,FormatUtils.getRelativeTimeSpanString(topicBean.getPublishDate()));
  if (newsCount == 0) {
    holder.setGone(R.id.line,true);
    holder.setGone(R.id.fl_item_footer,true);
  }
 else   if (newsCount == 1) {
    holder.setText(R.id.tv_info,mContext.getString(R.string.single__media___report,mediaName));
  }
 else {
    holder.setText(R.id.tv_info,mContext.getString(R.string.multi__media___report,mediaName,newsCount));
  }
  holder.setVisible(R.id.img_instant_read,topicBean.hasInstantView() ? true : false);
  holder.setOnClickListener(R.id.img_instant_read,v -> InstantReadFragment.newInstance(topicBean.getId()).show(((MainActivity)mContext).getSupportFragmentManager(),InstantReadFragment.TAG));
  holder.setOnClickListener(R.id.ll_item_header,v -> ((SupportActivity)mContext).findFragment(MainFragment.class).start(TopicDetailFragment.newInstance(topicBean.getId(),topicBean.getTitle())));
  ExpandableLayout layoutExpand=holder.getView(R.id.layout_expand);
  layoutExpand.setExpanded(false);
  ImageView imgExpandState=holder.getView(R.id.img_expand_state);
  imgExpandState.setImageResource(R.drawable.ic_more_info);
  holder.setOnClickListener(R.id.fl_item_footer,v -> {
    if (layoutExpand.getState() == ExpandableLayout.State.COLLAPSED) {
      imgExpandState.setImageResource(R.drawable.ic_less_info);
      layoutExpand.setExpanded(true);
    }
 else     if (layoutExpand.getState() == ExpandableLayout.State.EXPANDED) {
      imgExpandState.setImageResource(R.drawable.ic_more_info);
      layoutExpand.setExpanded(false);
    }
  }
);
  Log.e("String_Node_Str","String_Node_Str" + topicBean.getTitle() + "String_Node_Str");
  ArrayList<TopicNewsBean> newsList=topicBean.getNewsArray();
  if (null == newsList || newsList.isEmpty()) {
    return;
  }
  LinearLayout layoutSource=holder.getView(R.id.layout_source);
  Log.e("String_Node_Str","String_Node_Str" + layoutSource.getChildCount());
  if (layoutSource.getChildCount() < MOST_NEWS_COUNT_PER_ITEM) {
  }
  adjustLayoutSourceChildren(layoutSource,newsList.size());
  for (int i=0; i < layoutSource.getChildCount(); i++) {
    TopicNewsBean news=newsList.get(i);
    View view=layoutSource.getChildAt(i);
    NewsViewHolder newsViewHolder=(NewsViewHolder)view.getTag();
    if (newsViewHolder == null) {
      newsViewHolder=new NewsViewHolder(view);
      view.setTag(newsViewHolder);
    }
    newsViewHolder.bindData(news);
  }
  Log.e("String_Node_Str","String_Node_Str" + layoutSource.getChildCount());
}