public class Notify_Activity extends Activity implements MyOnItemClickLitener {private RecyclerView mRecyclerView;private Notify_Adapter mAdapter;private ArrayList<PicUrls.BasicPicBean> beans;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);((SwipeRefreshLayout) findViewById(R.id.swipeLayout)).setEnabled(false);mRecyclerView = (RecyclerView) findViewById(R.id.rv);initList();initView();}protected void initView() {mAdapter = new Notify_Adapter(this, beans);mAdapter.setOnItemClickLitener(this);mRecyclerView.setAdapter(mAdapter);//设置adaptermRecyclerView.setLayoutManager(new GridLayoutManager(this, 3));//设置布局管理器mRecyclerView.setItemAnimator(new DefaultItemAnimator());//设置Item增加、移除动画mRecyclerView.addItemDecoration(new GridItemDecoration.Builder().spanCount(3).spaceSize(1).mDivider(new ColorDrawable(0x88ff0000)).build());}private void initList() {beans = PicUrls.getPicList(PicUrls.BIG_BEANS_2);beans.get(0).name = "刷新当前，notifyItemChanged(int)";beans.get(1).name = "全部刷新，notifyDataSetChanged()";beans.get(2).name = "从此位置开始刷新2个，notifyItemRangeChanged";beans.get(3).name = "插入一个并自动刷新，notifyItemInserted";beans.get(4).name = "只更改数据源，这样当然不会刷新UI";beans.get(5).name = "插入一个并刷新当前，notifyItemChanged";beans.get(6).name = "局部刷新，tv";beans.get(7).name = "局部刷新，et";beans.get(8).name = "局部刷新，iv";}@Overridepublic void onItemClick(View view, int position) {Toast.makeText(this, position + " 被点击了", Toast.LENGTH_SHORT).show();reInit(position);}@Overridepublic void onItemLongClick(View view, int position) {Toast.makeText(this, position + "被长按了", Toast.LENGTH_SHORT).show();}private void reInit(int position) {switch (position) {default:mAdapter.notifyItemChanged(position);//刷新指定一个。一定会闪break;case 1:mAdapter.notifyDataSetChanged();//全部刷新。基本不会闪，刚开始个别可能会闪break;case 2:mAdapter.notifyItemRangeChanged(position, 2);//从指定位置开始刷新指定个。一定会闪break;case 3:beans.add(position, new PicUrls.BasicPicBean("http://img.mmjpg.com/2015/74/1.jpg", "新插入的图片1", 1));mAdapter.notifyItemInserted(position);//插入一个并刷新，正常break;case 4://只更改数据源，这样当然不会刷新UIbeans.add(position, new PicUrls.BasicPicBean("http://img.mmjpg.com/2015/74/2.jpg", "新插入的图片2", 2));break;case 5://beans.add(position, new PicUrls.BasicPicBean("http://img.mmjpg.com/2015/74/3.jpg", "新插入的图片3", 3));mAdapter.notifyItemChanged(position);//这样只会导致当前item刷新，而不会刷新其他item，当然是不行的break;case 6:beans.set(position, beans.get(new Random().nextInt(beans.size())));mAdapter.notifyItemChanged(position, Notify_Adapter.NOTIFY_TV);//局部刷新break;case 7:beans.set(position, beans.get(new Random().nextInt(beans.size())));mAdapter.notifyItemChanged(position, Notify_Adapter.NOTIFY_ET);//局部刷新break;case 8:beans.set(position, beans.get(new Random().nextInt(beans.size())));mAdapter.notifyItemChanged(position, Notify_Adapter.NOTIFY_IV);//局部刷新break;}}
}

public class Notify_Adapter extends RecyclerView.Adapter<Notify_Adapter.MyViewHolder> {private Context context;private List<PicUrls.BasicPicBean> mDatas;private MyOnItemClickLitener mOnItemClickLitener;public static final int NOTIFY_TV = 10086;public static final int NOTIFY_ET = 10087;public static final int NOTIFY_IV = 10088;public Notify_Adapter(Context context, List<PicUrls.BasicPicBean> mDatas) {this.context = context;this.mDatas = mDatas;}@Overridepublic MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {return new MyViewHolder(LayoutInflater.from(context).inflate(R.layout.item_notify, parent, false));}@Overridepublic void onBindViewHolder(MyViewHolder holder, int position) {//不使用}@Overridepublic void onBindViewHolder(final MyViewHolder holder, int position, List payloads) {//payloads是从notifyItemChanged(int, Object)中，或从notifyItemRangeChanged(int, int, Object)中传进来的Object集合//如果payloads不为空并且viewHolder已经绑定了旧数据了，那么adapter会使用payloads参数进行布局刷新//如果payloads为空，adapter就会重新绑定数据，也就是刷新整个itemPicUrls.BasicPicBean bean = mDatas.get(holder.getAdapterPosition());long time = System.currentTimeMillis() + bean.url.hashCode();String data = new SimpleDateFormat("HH:mm:ss", Locale.getDefault()).format(new Date(time));if (payloads.isEmpty()) {//为空，即不是调用notifyItemChanged(position,payloads)后执行的，也即在初始化时执行的holder.tv.setText(data);holder.et.setText(bean.name);Glide.with(context).load(bean.url).dontAnimate()//.diskCacheStrategy(DiskCacheStrategy.NONE).skipMemoryCache(true).into(holder.iv);} else if (payloads.size() > 0 && payloads.get(0) instanceof Integer) {//不为空，即调用notifyItemChanged(position,payloads)后执行的，可以在这里获取payloads中的数据进行局部刷新int type = (int) payloads.get(0);// 刷新哪个部分 标志位switch (type) {case NOTIFY_TV:holder.tv.setText(data);//只刷新tvbreak;case NOTIFY_ET:holder.et.setText(bean.name);//只刷新etbreak;case NOTIFY_IV:Glide.with(context).load(bean.url).dontAnimate().into(holder.iv);//只刷新ivbreak;}}// 如果设置了回调，则设置点击事件holder.itemView.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {if (mOnItemClickLitener != null) mOnItemClickLitener.onItemClick(holder.itemView, holder.getAdapterPosition());}});holder.itemView.setOnLongClickListener(new OnLongClickListener() {@Overridepublic boolean onLongClick(View v) {if (mOnItemClickLitener != null) mOnItemClickLitener.onItemLongClick(holder.itemView, holder.getAdapterPosition());return false;}});}@Overridepublic int getItemCount() {return mDatas.size();}/*** 添加并更新数据，同时具有动画效果*/public void addDataAt(int position, PicUrls.BasicPicBean data) {mDatas.add(position, data);notifyItemInserted(position);//更新数据集，注意如果用adapter.notifyDataSetChanged()将没有动画效果}/*** 移除并更新数据，同时具有动画效果*/public void removeDataAt(int position) {mDatas.remove(position);notifyItemRemoved(position);}public void setOnItemClickLitener(MyOnItemClickLitener mOnItemClickLitener) {this.mOnItemClickLitener = mOnItemClickLitener;}class MyViewHolder extends RecyclerView.ViewHolder {TextView tv;ImageView iv;EditText et;public MyViewHolder(View view) {super(view);tv = (TextView) view.findViewById(R.id.tv_name);iv = (ImageView) view.findViewById(R.id.iv_head);et = (EditText) view.findViewById(R.id.et_input);}}
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="match_parent"android:layout_height="wrap_content"android:gravity="center_horizontal"android:orientation="vertical"><TextViewandroid:id="@+id/tv_name"android:layout_width="wrap_content"android:layout_height="wrap_content"android:gravity="center"android:text="0.00"android:textColor="#00f"android:textSize="13sp"/><ImageViewandroid:id="@+id/iv_head"android:layout_width="match_parent"android:layout_height="200dp"android:scaleType="centerCrop"android:src="@mipmap/ic_launcher"/><EditTextandroid:id="@+id/et_input"android:layout_width="wrap_content"android:layout_height="wrap_content"android:gravity="center"android:hint="包青天"android:inputType="numberDecimal"android:labelFor="@id/et_input"android:maxLines="1"android:minWidth="50dp"android:textColor="#f00"android:textSize="10sp"/>
</LinearLayout>

public class PicUrls {private static final String HOST0 = "http://img1.mm131.com/pic/";//网站【http://www.mm131.com/】private static final String HOST1 = "http://img.mmjpg.com/";//网站【http://www.mmjpg.com/】private static final String HOST2 = "http://pic.meituba.com/uploads/allimg/";//网站【http://www.meituba.com/】public static final UrlBean BIG_BEANS_0 = new UrlBean.Builder()//http://pic.meituba.com/uploads/allimg/2015/10/23/220.jpg.host(HOST2).urlHeader("2015/10/23/").picIndexFrom(220).picCount(100).picDes("100张动漫卡通壁纸").build();public static final UrlBean BIG_BEANS_1 = new UrlBean.Builder()//http://pic.meituba.com/uploads/allimg/2017/03/27/121_5600.jpg.host(HOST2).urlHeader("2017/03/27/121_").picIndexFrom(5600).picCount(100).picDes("100张搞笑内涵图片").build();public static final UrlBean BIG_BEANS_2 = new UrlBean.Builder()//http://pic.meituba.com/uploads/allimg/2015/10/23/360.jpg.host(HOST2).urlHeader("2015/10/23/").picIndexFrom(360).picCount(750).picDes("750张性感美女图").build();public static final UrlBean BIG_BEANS_3 = new UrlBean.Builder()//http://pic.meituba.com/uploads/allimg/2016/03/25/43_20335.jpg.host(HOST2).urlHeader("2016/03/25/43_").picIndexFrom(20335).picCount(1400).picDes("1400张动漫卡通壁纸").build();private static final UrlBean[] simpleBeans = {//http://img1.mm131.com/pic/996/1.jpgnew UrlBean.Builder().host(HOST0).urlHeader("996/").picCount(10).picDes("北影校花余雨高清写真图片").build(),new UrlBean.Builder().host(HOST0).urlHeader("2958/").picCount(10).picDes("童颜嫩妹桃子黑丝大尺度诱惑").build(),new UrlBean.Builder().host(HOST0).urlHeader("2939/").picCount(10).picDes("清纯少女刘奕宁酥胸覆白色内衣").build(),new UrlBean.Builder().host(HOST0).urlHeader("2343/").picCount(10).picDes("萌妹销魂写真身材惹火让人欲罢不能").build(),new UrlBean.Builder().host(HOST0).urlHeader("2935/").picCount(10).picDes("性感女神杨晨晨透视睡衣大胆秀乳").build(),//http://img.mmjpg.com/2015/444/1.jpgnew UrlBean.Builder().host(HOST1).urlHeader("2015/444/").picCount(10).picDes("模范学院美少女柳侑绮制服大片").build(),new UrlBean.Builder().host(HOST1).urlHeader("2015/74/").picCount(10).picDes("极品女神可儿私拍秀完美身材").build(),new UrlBean.Builder().host(HOST1).urlHeader("2017/990/").picCount(10).picDes("香艳妹子雪白的美胸绝对让你大饱眼福").build(),new UrlBean.Builder().host(HOST1).urlHeader("2017/962/").picCount(10).picDes("真诱人啊!女神雪白的美胸看着很有感觉").build(),new UrlBean.Builder().host(HOST1).urlHeader("2017/936/").picCount(10).picDes("身材娇美纯天然美女小叶子美胸艺术照").build(),//http://pic.meituba.com/uploads/allimg/2015/10/23/247.jpgnew UrlBean.Builder().host(HOST2).urlHeader("2015/10/23/").picIndexFrom(247).picCount(10).picDes("呆萌可爱的哆啦A梦动漫").build(),new UrlBean.Builder().host(HOST2).urlHeader("2016/03/25/43_").picIndexFrom(20574).picCount(10).picDes("海贼王红发香克斯").build(),