XRecyclerView上拉刷新下拉加載

 效果圖：

 

 

 

首先要添加依賴：

//xrecyclerview
implementation 'com.jcodecraeer:xrecyclerview:1.3.2'
//Gson
implementation 'com.google.code.gson:gson:2.2.4'
//okhttputils
implementation 'com.zhy:okhttputils:2.0.0'

權限：

<uses-permission android:name="android.permission.INTERNET" />

佈局：

    <com.jcodecraeer.xrecyclerview.XRecyclerView android:id="@+id/RV_all" android:layout_width="match_parent" android:layout_height="match_parent">

    </com.jcodecraeer.xrecyclerview.XRecyclerView>

 

All_Fragment：

public class All_Fragment extends Fragment { private XRecyclerView RV_all;//XRecyclerView
    private int i=0;//頁數
    private Adapter_All adapter_all;//適配器
    private ArrayList<Bean_All.MessageBean.AnchorsBean> data;//把獲取的數據放到集合裏
    private int con=0;//判斷con是否等於0等於0就執行適配器和瀑布流con不等於0就刷新界面
 @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View inflate = inflater.inflate(R.layout.fragment_all_, container, false); initView(inflate); data = new ArrayList<>(); //okhttp解析
 okhttp(i); return inflate; } private void okhttp(final int i) { OkHttpUtils.get() .url(Cans.HOME_PAGE + "" + i + "&index=0")//地址
                .build().execute(new StringCallback() { @Override public void onError(Request request, Exception e) { Log.e("Song-All-onError", request + ""); } @Override public void onResponse(String response) { Log.e("Song-All-onResponse", response + ""); //解析全部數據
 all(response); } }); } //解析全部數據
    private void all(String response) { //Gson解析
        Gson gson = new Gson(); //獲取Bean類的數據
        Bean_All bean_all = gson.fromJson(response, Bean_All.class); final List<Bean_All.MessageBean.AnchorsBean> anchors = bean_all.getMessage().getAnchors(); //把Bean類獲取的數據放到集合中
 data.addAll(anchors); //判斷con是否等於0等於0就執行適配器和瀑布流con不等於0就刷新界面
        if (con == 0){ //瀑布流
            RV_all.setLayoutManager(new StaggeredGridLayoutManager(2, StaggeredGridLayoutManager.VERTICAL)); //適配器
            adapter_all = new Adapter_All(data, getActivity()); //添加適配器
 RV_all.setAdapter(adapter_all); }else { adapter_all.notifyDataSetChanged();//刷新界面
 } //XRecyclerView的點擊事件
        adapter_all.setmOnItemListener(new Adapter_RecyclerView.OnItemListener() { @Override public void onItemClick(int position) { //Intent跳轉
                Intent intent = new Intent(getActivity(), All_Activity.class); intent.putExtra("roomid", data.get(position).getRoomid()); startActivity(intent); } }); /** *設定下拉刷新和上拉加載監聽 */ RV_all.setLoadingListener(new XRecyclerView.LoadingListener() { //上拉加載監聽
 @Override public void onLoadMore() { i++;//上拉加載添加數據
                new Handler().postDelayed(new Runnable() { @Override public void run() { con=1;//con不等於0就執行上啦加載
                        okhttp(i);//okhttp解析數據
                        RV_all.loadMoreComplete();    //加載數據完成（取消加載動畫）
 } },2000); } //下拉刷新監聽
 @Override public void onRefresh() { //清除集合
 data.clear(); okhttp(0);//初始化數據
                new Handler().postDelayed(new Runnable() { @Override public void run() { adapter_all.notifyDataSetChanged();//刷新界面
                        RV_all.refreshComplete();     //刷新數據完成（取消刷新動畫）
 } },2000); } }); } private void initView(View inflate) { RV_all = (XRecyclerView) inflate.findViewById(R.id.RV_all); } }

適配器：

public class Adapter_All extends XRecyclerView.Adapter<Adapter_All.ViewHolder>{ private List<Bean_All.MessageBean.AnchorsBean> list; private Context context; public Adapter_All(List<Bean_All.MessageBean.AnchorsBean> list, Context context) { this.list = list; this.context = context; } @Override public Adapter_All.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { View inflate = LayoutInflater.from(context).inflate(R.layout.layout_all, parent, false); ViewHolder viewHolder = new ViewHolder(inflate); return viewHolder; } @Override public void onBindViewHolder(Adapter_All.ViewHolder holder, int position) { Glide.with(context).load(list.get(position).getPic74()).into(holder.img_all); holder.tv_name.setText(list.get(position).getName()); holder.tv_online.setText(""+list.get(position).getFocus()+"人"); } @Override public int getItemCount() { return list == null ? 0 : list.size(); } public class ViewHolder extends RecyclerView.ViewHolder { private final ImageView img_all; private final TextView tv_name; private final TextView tv_online; public ViewHolder(View itemView) { super(itemView); img_all = itemView.findViewById(R.id.img_all); tv_name = itemView.findViewById(R.id.tv_name); tv_online = itemView.findViewById(R.id.tv_online); itemView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { if (mOnItemListener!=null){ mOnItemListener.onItemClick(getPosition()); } } }); } } public interface OnItemListener{ void onItemClick(int position); } public Adapter_RecyclerView.OnItemListener mOnItemListener; public void setmOnItemListener(Adapter_RecyclerView.OnItemListener mOnItemListener){ this.mOnItemListener = mOnItemListener; } }