MyFragment

package com.bwie.topnewsnormal;

import android.content.Intent;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
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.webkit.WebView;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.PopupWindow;
import android.widget.TextView;

import com.bwie.topnewsnormal.bean.NewsInfo;
import com.bwie.topnewsnormal.database.NewsDao;
import com.google.gson.Gson;
import com.limxing.xlistview.view.XListView;

import org.xutils.common.Callback;
import org.xutils.http.RequestParams;
import org.xutils.x;

import java.util.List;

/**
 * Created by Shadow on 2017/8/2.
 */

public class MyFragment extends Fragment implements XListView.IXListViewListener {

    private String text;
    private XListView xlv;
    private View view;
    private Myadapter myadapter;

    int index = 0;
    boolean flag;
    private PopupWindow popupWindow;
    private ImageView closeView;
    private TextView deleteView;
    private List<NewsInfo.ResultBean.ListBean> list;

    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {

        view = inflater.inflate(R.layout.myfragment, container, false);
        return view;
    }

    @Override
    public void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Bundle arguments = getArguments();
        text = arguments.getString("text", "");
    }

    @Override
    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);

        xlv = (XListView) view.findViewById(R.id.xlv);
        xlv.setPullLoadEnable(true);
        xlv.setXListViewListener(this);
        loadData("http://api.jisuapi.com/news/get", text, index + "");

        xlv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                Intent intent = new Intent(getContext(), WebViewActivity.class);
                System.out.println("*************"+position+"傳過去的url"+list.get(5).getUrl());
                intent.putExtra("newsUrl",list.get(position-1).getUrl());
                startActivity(intent);
            }
        });

//頭條、新聞、財經、體育、娛樂、軍事、教育、科技、NBA、股票、星座、女性、健康、育兒


    }

    private void loadData(String path, String channel, String page) {

        RequestParams requestParams = new RequestParams(path);
        requestParams.addBodyParameter("appkey", "cf2efa79d8df0ede");
        requestParams.addBodyParameter("start", page);
        requestParams.addBodyParameter("num", "15");
        requestParams.addBodyParameter("channel", channel);
        x.http().post(requestParams, new Callback.CommonCallback<String>() {
            @Override
            public void onSuccess(String result) {

                System.out.println("******************" + result);
                NewsInfo newsInfo = new Gson().fromJson(result, NewsInfo.class);
                list = newsInfo.getResult().getList();

                if (myadapter == null) {
                    myadapter = new Myadapter(list);
                    xlv.setAdapter(myadapter);
                } else {
                    myadapter.loadMore(list, flag);
                    myadapter.notifyDataSetChanged();
                }

            }

            @Override
            public void onError(Throwable ex, boolean isOnCallback) {

            }

            @Override
            public void onCancelled(CancelledException cex) {

            }

            @Override
            public void onFinished() {

            }
        });
    }

    @Override
    public void onRefresh() {
        flag = true;
        index++;
        loadData("http://api.jisuapi.com/news/get", text, index + "");
        xlv.stopRefresh(true);
    }

    @Override
    public void onLoadMore() {
        flag = false;
        index++;
        loadData("http://api.jisuapi.com/news/get", text, index + "");
        xlv.stopLoadMore();
    }

    class Myadapter extends BaseAdapter {
        List<NewsInfo.ResultBean.ListBean> list;

        public Myadapter(List<NewsInfo.ResultBean.ListBean> list) {
            this.list = list;
        }


        void loadMore(List<NewsInfo.ResultBean.ListBean> list2, boolean flag) {
            for (NewsInfo.ResultBean.ListBean bean : list2) {
                if (flag) {
                    list.add(0, bean);
                } else {
                    list.add(bean);
                }
            }
        }

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

        @Override
        public Object getItem(int position) {
            return list.get(position);
        }

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

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            ViewHolder holder = null;
            if (convertView == null) {
                holder = new ViewHolder();
                convertView = convertView.inflate(getActivity(), R.layout.item1, null);
                holder.imageView = (ImageView) convertView.findViewById(R.id.iv_news);
                holder.iv_pop = (ImageView) convertView.findViewById(R.id.iv_pop);
                holder.textView = (TextView) convertView.findViewById(R.id.tv_Content);
                holder.tv_src = (TextView) convertView.findViewById(R.id.tv_src);
                holder.tv_time = (TextView) convertView.findViewById(R.id.tv_time);
                convertView.setTag(holder);
            } else {
                holder = (ViewHolder) convertView.getTag();
            }

            x.image().bind(holder.imageView, list.get(position).getPic());
            holder.tv_src.setText(list.get(position).getSrc());
            holder.tv_time.setText(list.get(position).getTime());
            holder.textView.setText(list.get(position).getTitle());
            holder.iv_pop.setOnClickListener(new IvPopListener(position));
            return convertView;
        }

        class ViewHolder {
            ImageView imageView;
            ImageView iv_pop;
            TextView textView;
            TextView tv_src;
            TextView tv_time;
        }
    }


    class IvPopListener implements View.OnClickListener {

        int position;

        public IvPopListener(int position) {
            this.position = position;
            initPopWindow();
        }

        @Override
        public void onClick(View v) {

            int[] array = new int[2];
            v.getLocationOnScreen(array);
            int x = array[0];
            int y = array[1];

            showPopWindow(v, position, x, y);


        }

        void initPopWindow() {

            View view = View.inflate(getContext(), R.layout.popupwindow, null);
            popupWindow = new PopupWindow(view, ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
            //  popupWindow.setAnimationStyle();
            popupWindow.setBackgroundDrawable(new ColorDrawable(Color.BLACK));
            deleteView = (TextView) view.findViewById(R.id.delete_tv);
            closeView = (ImageView) view.findViewById(R.id.close_iv);


        }

        void showPopWindow(View v, final int position, int x, int y) {
            popupWindow.setFocusable(true);
            popupWindow.setOutsideTouchable(true);
            popupWindow.showAtLocation(v, 0, x, y);
            deleteView.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    list.remove(position);
                    myadapter.notifyDataSetChanged();
                    if (popupWindow.isShowing()) {
                        popupWindow.dismiss();
                    }
                }
            });

            closeView.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    if (popupWindow.isShowing()) {
                        popupWindow.dismiss();
                    }
                }
            });

        }
    }


}