xlistview上拉刷新下拉

package liujin.baie.com.liujin20180921.fragment;

import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

import com.example.xlistviewlib.XListView;
import com.google.gson.Gson;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.squareup.picasso.Picasso;

import java.util.ArrayList;
import java.util.List;

import liujin.baie.com.liujin20180921.Bean;
import liujin.baie.com.liujin20180921.R;
import liujin.baie.com.liujin20180921.utils.HttpHelper;

public class Fragment1 extends Fragment {
    private XListView lv;
    private List<Bean.DataBean> mList;
    int page=1;
    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        View view = View.inflate(getActivity(), R.layout.fragment1,null);
        lv = (XListView)view.findViewById(R.id.listview);
        lv.setPullLoadEnable(true);
        mList = new ArrayList<>();
        MyApdater myApdater = new MyApdater();
        lv.setAdapter(myApdater);
        dohttp(page);

        lv.setXListViewListener(new XListView.IXListViewListener() {
            @Override
            public void onRefresh() {
                mList.clear();
                page=1;
                dohttp(page);
            }

            @Override
            public void onLoadMore() {
                page++;
                if(page>1){
                    dohttp(page);
                }
            }
        });
        return view;
    }

    private void dohttp(int page) {
        String url = "http://www.xieast.com/api/news/news.php?type=top&page="+page;
        new HttpHelper().get(url).restult(new HttpHelper.Httplistnear() {
            @Override
            public void success(String data) {
                Gson gson = new Gson();
                Bean bean = gson.fromJson(data, Bean.class);
                List<Bean.DataBean> data1 = bean.getData();

                mList.addAll(data1);
                //Toast.makeText(getActivity(),"data"+mList
                        //,Toast.LENGTH_SHORT).show();
                lv.stopLoadMore();
                lv.stopRefresh();
            }
        });
    }

    private class MyApdater extends BaseAdapter{

        @Override
        public int getCount() {
            return mList.size();
        }

        @Override
        public Object getItem(int i) {
            return null;
        }

        @Override
        public long getItemId(int i) {
            return 0;
        }

        @Override
        public View getView(int i, View view, ViewGroup viewGroup) {
            ViewHolder holder;
            if (view==null){
                view = View.inflate(getActivity(),R.layout.listview____,null);
                holder = new ViewHolder();
                holder.mImage = (ImageView) view.findViewById(R.id.image);
                holder.mTitle = (TextView) view.findViewById(R.id.title);
                view.setTag(holder);
            }else{
                holder = (ViewHolder) view.getTag();
            }
            holder.mTitle.setText(mList.get(i).getTitle());
            Picasso.with(getActivity()).load(mList.get(i).getThumbnail_pic_s()).into(holder.mImage);
            //ImageLoader.getInstance().displayImage(mList.get(i).getThumbnail_pic_s(),holder.mImage);
            return view;
        }
    }
    class ViewHolder{
        ImageView mImage;
        TextView mTitle;
    }
}