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Android RecyclerView 多条目加载 +接口回调监听
阅读量:624 次
发布时间:2019-03-13

本文共 5738 字,大约阅读时间需要 19 分钟。

public class RecyclerViewAdapter extends RecyclerView.Adapter {    private List
list; private Context context; public RecyclerViewAdapter(List
list, Context context) { this.list = list; this.context = context; } @NonNull @Override public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) { if (viewType == 1) { View inflate = LayoutInflater.from(context).inflate(R.layout.item_recyclerview_one, parent, false); return new ViewHolder01(flate); } else { View inflate02 = LayoutInflater.from(context).inflate(R.layout.item_recyclerviews, parent, false); return new ViewHolder02(flate02); } } @Override public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, final int position) { if (holder instanceof ViewHolder01) { String url = "http://365jia.cn/uploads/appletrecommend/201804/5ad6ba6c6bb8b.jpg"; ViewHolder01 viewHolder01 = (ViewHolder01) holder; viewHolder01.tv_title.setText(list.get(position).getTitle()); String pic1 = list.get(position).getPics().get(0); ImageLoader.getInstance().displayImage(pic1 + url, viewHolder01.item_img, MyApp.getOptions()); viewHolder01.tv_comment.setText(list.get(position).getViews() + "评论"); viewHolder01.tv_praise.setText(list.get(position).getViews_label() + "赞"); viewHolder01.item_img.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { onItemClickListener.onItemClick(v, position); } }); viewHolder01.tv_title.setOnLongClickListener(new View.OnLongClickListener() { @Override public boolean onLongClick(View v) { onLongClickListener.onLongClick(v, position); return false; } }); } else if (holder instanceof ViewHolder02) { String url = "http://365jia.cn/uploads/special/tuku/201804/5ad6ab1059e6566912.jpg"; ViewHolder02 viewHolder02 = (ViewHolder02) holder; viewHolder02.item_title02.setText(list.get(position).getTitle()); String pic1 = list.get(position).getPics().get(0); String pic2 = list.get(position).getPics().get(1); String pic3 = list.get(position).getPics().get(2); ImageLoader.getInstance().displayImage(pic1 + url, viewHolder02.item_img01, MyApp.getOptions()); ImageLoader.getInstance().displayImage(pic2 + url, viewHolder02.item_img02, MyApp.getOptions()); ImageLoader.getInstance().displayImage(pic3 + url, viewHolder02.item_img03, MyApp.getOptions()); viewHolder02.item_img01.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { onItemClickListener.onItemClick(v, position); } }); viewHolder02.item_img02.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { onItemClickListener.onItemClick(v, position); } }); viewHolder02.item_img03.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { onItemClickListener.onItemClick(v, position); } }); viewHolder02.item_title02.setOnLongClickListener(new View.OnLongClickListener() { @Override public boolean onLongClick(View v) { onLongClickListener.onLongClick(v, position); return false; } }); } } @Override public int getItemCount() { return list == null ? 0 : list.size(); } @Override public int getItemViewType(int position) { List
pics = list.get(position).getPics(); if (pics.size() == 1) { return 1; } return 2; } class ViewHolder01 extends RecyclerView.ViewHolder { private final TextView tv_title, tv_comment, tv_praise; private final ImageView item_img; public ViewHolder01(View itemView) { super(itemView); tv_title = itemView.findViewById(R.id.tv_title); tv_comment = itemView.findViewById(R.id.tv_comment); tv_praise = itemView.findViewById(R.id.tv_praise); item_img = itemView.findViewById(R.id.item_img); } } class ViewHolder02 extends RecyclerView.ViewHolder { private final TextView item_title02; private final ImageView item_img01, item_img02, item_img03; public ViewHolder02(View itemView) { super(itemView); item_title02 = itemView.findViewById(R.id.tv_title_02); item_img01 = itemView.findViewById(R.id.item_img01); item_img02 = itemView.findViewById(R.id.item_img02); item_img03 = itemView.findViewById(R.id.item_img03); } } private OnItemClickListener onItemClickListener; public void setOnItemClickListener(OnItemClickListener onItemClickListener) { this.onItemClickListener = onItemClickListener; } public interface OnItemClickListener { void onItemClick(View v, int position); } private OnLongClickListener onLongClickListener; public void setOnLongClickListener(OnLongClickListener onLongClickListener) { this.onLongClickListener = onLongClickListener; } public interface OnLongClickListener { void onLongClick(View v, int position); }}

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