PullToRefresh添加HeaderView(Banner轮播)

import android.content.Context;import android.os.AsyncTask;import android.os.Bundle;import android.support.annotation.Nullable;import android.support.v4.app.Fragment;import android.util.Log;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.BaseAdapter;import android.widget.ExpandableListView;import android.widget.ImageView;import android.widget.ListAdapter;import android.widget.ListView;import android.widget.TextView;import android.widget.Toast;import com.bwlq.yuekaodemo1.R;import com.bwlq.yuekaodemo1.bean.Products;import com.bwlq.yuekaodemo1.utils.Utils;import com.google.gson.Gson;import com.handmark.pulltorefresh.library.PullToRefreshBase;import com.handmark.pulltorefresh.library.PullToRefreshExpandableListView;import com.handmark.pulltorefresh.library.PullToRefreshListView;import com.youth.banner.Banner;import com.youth.banner.loader.ImageLoader;import com.youth.banner.loader.ImageLoaderInterface;import java.util.ArrayList;import java.util.Arrays;import java.util.List;/** * Created by liqiang on 2017/11/15. */public class Frag1 extends Fragment {    private View view;    private PullToRefreshListView plv;    private List<Products.DataBean> list = new ArrayList<>();    private Banner banner;    String urlString = "http://www.93.gov.cn/93app/data.do?channelId=0&startNum=";    String[] urls = {"http://img.my.csdn.net/uploads/201407/26/1406383265_8550.jpg","http://pic31.photophoto.cn/20140519/0010023932607971_b.jpg"            ,"http://pic.58pic.com/58pic/15/23/09/74T58PICZjg_1024.jpg","http://pic7.nipic.com/20100517/2474391_114652343079_2.jpg"            ,"http://pic.58pic.com/58pic/12/21/22/54P58PICBkX.jpg"};    private ListView refreshableList;    private int i = 0;    private MAdapter mAdapter;    @Nullable    @Override    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {        View view = inflater.inflate(R.layout.frag1, container, false);        //获取pulltorefresh控件        plv = view.findViewById(R.id.plv);        //设置上下拉        plv.setMode(PullToRefreshBase.Mode.BOTH);        //刷新加载监听事件        plv.setOnRefreshListener(new PullToRefreshBase.OnRefreshListener2<ListView>() {            @Override            public void onPullDownToRefresh(PullToRefreshBase<ListView> pullToRefreshBase) {                list.clear();                getNetData(0);            }            @Override            public void onPullUpToRefresh(PullToRefreshBase<ListView> pullToRefreshBase) {                getNetData(i++);            }        });        //banner轮播视图        View inflate = View.inflate(getContext(), R.layout.banner_layout, null);        //banner控件        banner = inflate.findViewById(R.id.banner);        //设置banner图片        banner.setImages(Arrays.asList(urls));        //设置ImageLoader请求网络显示图片        banner.setImageLoader(new MLoader());        //通过pulltorefresh控件转换为refreshableList(listview控件)        refreshableList = plv.getRefreshableView();        //给refreshableList(listview控件)设置头部视图        refreshableList.addHeaderView(inflate);        //banner开始轮播        banner.start();        //baseadapter适配器        mAdapter = new MAdapter();        //给refreshableList设置适配器        refreshableList.setAdapter(mAdapter);        //请求网络获取数据        getNetData(i);        return view;    }    private void getNetData(int i) {        new MAsyncTask().execute(urlString+i);    }    private class MLoader extends ImageLoader {        @Override        public void displayImage(Context context, Object path, ImageView imageView) {            com.nostra13.universalimageloader.core.ImageLoader.getInstance().displayImage((String)path,imageView,Utils.getDisplayImageOption());        }    }    private class MAdapter extends BaseAdapter {        @Override        public int getCount() {            return list.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) {            if (view == null) {                view = View.inflate(getContext(),R.layout.list_item,null);            }            ImageView imageView = view.findViewById(R.id.imageView);            TextView textView = view.findViewById(R.id.textView);            Products.DataBean dataBean = list.get(i);            com.nostra13.universalimageloader.core.ImageLoader.getInstance().displayImage((String) dataBean.getIMAGEURL(),imageView,Utils.getDisplayImageOption());            textView.setText(dataBean.getTITLE());            return view;        }    }    private class MAsyncTask extends AsyncTask {        @Override        protected Object doInBackground(Object[] objects) {            return Utils.getNetJson((String)objects[0]);        }        @Override        protected void onPostExecute(Object o) {            super.onPostExecute(o);            Gson gson = new Gson();            Products products = gson.fromJson((String) o, Products.class);            List<Products.DataBean> data = products.getData();            list.addAll(data);            mAdapter.notifyDataSetChanged();            plv.onRefreshComplete();        }    }}