kaoshi(zhulei轮播)

package com.example.kaoshi;import android.app.ProgressDialog;import android.content.DialogInterface;import android.content.Intent;import android.database.sqlite.SQLiteDatabase;import android.graphics.Bitmap;import android.os.AsyncTask;import android.os.Handler;import android.os.Message;import android.support.v4.view.PagerAdapter;import android.support.v4.view.ViewPager;import android.support.v7.app.AlertDialog;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.View;import android.view.ViewGroup;import android.widget.BaseAdapter;import android.widget.ImageView;import android.widget.TextView;import com.google.gson.Gson;import com.limxing.xlistview.view.XListView;import com.nostra13.universalimageloader.core.DisplayImageOptions;import com.nostra13.universalimageloader.core.ImageLoader;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.net.HttpURLConnection;import java.net.URL;import java.net.URLConnection;import java.net.URLEncoder;import java.util.ArrayList;import java.util.List;import java.util.Timer;import java.util.TimerTask;public class MainActivity extends AppCompatActivity implements XListView.IXListViewListener {    private ViewPager viewPager;    private XListView xListView;    private ArrayList<String> arrayList;    private Timer timer;    private int index = 0;    private static final int TAG = 12;    private int indep = 1;    private boolean flag = false;    private ProgressDialog dialog;    private List<Bean.ResultBean.DataBean> data;    private SQLiteDatabase db;    Handler handler = new Handler() {        @Override        public void handleMessage(Message msg) {            super.handleMessage(msg);            switch (msg.what) {                case TAG:                    int index = (int) msg.obj;                    viewPager.setCurrentItem(index);                    break;            }        }    };    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        MySqLite mySqLite = new MySqLite(this);        db = mySqLite.getWritableDatabase();        viewPager = (ViewPager) findViewById(R.id.viewpager);        xListView = (XListView) findViewById(R.id.xlistview);        xListView.setPullLoadEnable(true);        xListView.setXListViewListener(this);        arrayList = new ArrayList<>();        String path1 = "http://www.taoqao.com/uploads/allimg/140425/1-140425212357.jpg";        String path2 = "http://www.taoqao.com/uploads/allimg/140425/1-140425212400.jpg";        String path3 = "http://www.taoqao.com/uploads/allimg/140425/1-140425212403.jpg";        String path4 = "http://www.taoqao.com/uploads/allimg/140425/1-140425212522.jpg";        String path5 = "http://www.taoqao.com/uploads/allimg/140425/1-140425212525.jpg";//        tupian.add("http://www.taoqao.com/uploads/allimg/140425/1-140425212357.jpg");//        tupian.add("http://www.taoqao.com/uploads/allimg/140425/1-140425212400.jpg");//        tupian.add("http://www.taoqao.com/uploads/allimg/140425/1-140425212403.jpg");//        tupian.add("http://www.taoqao.com/uploads/allimg/140425/1-140425212522.jpg");//        tupian.add("http://www.taoqao.com/uploads/allimg/140425/1-140425212525.jpg");        arrayList.add(path1);        arrayList.add(path2);        arrayList.add(path3);        arrayList.add(path4);        arrayList.add(path5);        if (WangLuo.isConnection(this)) {            getDates("http://apis.juhe.cn/cook/query.php?", indep + "", 10 + "");        } else {            show();        }        viewPager.setAdapter(new PagerAdapter() {            @Override            public int getCount() {                return arrayList.size();            }            @Override            public boolean isViewFromObject(View view, Object object) {                return view == object;            }            @Override            public Object instantiateItem(ViewGroup container, int position) {                final ImageView imageView = new ImageView(MainActivity.this);                new ImageLoad(new ImageLoad.ImageCallBack() {                    @Override                    public void imagecall(Bitmap bitmap) {                        if (bitmap != null) {                            imageView.setImageBitmap(bitmap);                        } else {                            imageView.setImageResource(R.mipmap.ic_launcher);                        }                    }                }).execute(arrayList.get(position));                container.addView(imageView);                return imageView;            }            @Override            public void destroyItem(ViewGroup container, int position, Object object) {//                super.destroyItem(container, position, object);                container.removeView((View) object);            }        });        timer = new Timer();        timer.schedule(new TimerTask() {            @Override            public void run() {                if (index < arrayList.size() - 1) {                    index++;                } else if (index == arrayList.size() - 1) {                    index = 0;                }                Message msg = new Message();                msg.what = TAG;                msg.obj = index;                handler.sendMessage(msg);            }        }, 0, 2000);    }    private void show() {        AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);        builder.setMessage("没有网络，请设置网络");        builder.setNegativeButton("取消", null);        builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {            @Override            public void onClick(DialogInterface dialog, int which) {                Intent intent = new Intent();                intent.setAction("android.settings.WIRELESS_SETTINGS");                startActivity(intent);            }        });        builder.create().show();    }    public void getDates(String path, String pn, String rn) {        new AsyncTask<String, Void, String>() {            @Override            protected void onPreExecute() {                super.onPreExecute();                dialog = new ProgressDialog(MainActivity.this);                dialog.setMessage("正在玩命加载");                dialog.show();            }            private MyAdapter myAdapter;            @Override            protected void onPostExecute(String s) {                super.onPostExecute(s);                if (s != null) {                    Gson gson = new Gson();                    Bean bean = gson.fromJson(s, Bean.class);                    List<Bean.ResultBean.DataBean> data = bean.getResult().getData();                    if (myAdapter == null) {                        myAdapter = new MyAdapter(data);                        xListView.setAdapter(new MyAdapter(data));                    } else {                        myAdapter.LoadMore(data, flag);                        myAdapter.notifyDataSetChanged();                    }                    dialog.dismiss();                }            }            @Override            protected String doInBackground(String... params) {                try {                    String path = params[0];                    String pn = params[1];                    String rn = params[2];                    URL url = new URL(path);                    HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();                    urlConnection.setRequestMethod("POST");                    urlConnection.setConnectTimeout(5000);                    urlConnection.setReadTimeout(5000);                    OutputStream outputStream = urlConnection.getOutputStream();                    outputStream.write(("key=a71e47bbe5a7e7a2ecf068ca9a756032&menu=" +                            URLEncoder.encode("西红柿炒鸡蛋", "utf-8") + "&pn = " + pn + "&rn=" + rn).getBytes());                    outputStream.flush();                    int code = urlConnection.getResponseCode();                    if (code == 200) {                        InputStream is = urlConnection.getInputStream();                        String json = Utils.read(is);                        return json;                    }                } catch (Exception e) {                    e.printStackTrace();                }                return null;            }        }.execute(path, pn, rn);    }    @Override    public void onRefresh() {        ++indep;        getDates("http://apis.juhe.cn/cook/query.php?", indep + "", 10 + "");        flag = true;        xListView.stopRefresh(true);    }    @Override    public void onLoadMore() {        ++indep;        getDates("http://apis.juhe.cn/cook/query.php?", indep + "", 10 + "");        flag = false;        xListView.stopLoadMore();    }    class MyAdapter extends BaseAdapter {        private List<Bean.ResultBean.DataBean> data;        public MyAdapter(List<Bean.ResultBean.DataBean> data) {            this.data = data;        }        public void LoadMore(List<Bean.ResultBean.DataBean> datas, boolean flag) {            for (Bean.ResultBean.DataBean bean : datas) {                if (flag) {                    data.add(0, bean);                } else {                    data.add(bean);                }            }        }        @Override        public int getCount() {            return data.size();        }        @Override        public Object getItem(int position) {            return data.get(position);        }        @Override        public long getItemId(int position) {            return position;        }        @Override        public int getItemViewType(int position) {            if (position % 2 == 0) {                return 0;            } else {                return 1;            }        }        @Override        public int getViewTypeCount() {            return 2;        }        @Override        public View getView(int position, View convertView, ViewGroup parent) {            int type = getItemViewType(position);            switch (type) {                case 1:                    if (convertView == null) {                        convertView = convertView.inflate(MainActivity.this, R.layout.item1, null);                    }                    ImageView imageView1 = (ImageView) convertView.findViewById(R.id.tu1);                    TextView textView1 = (android.widget.TextView) convertView.findViewById(R.id.wenzi1);                    textView1.setText(data.get(position).getTitle());                    getimage(data.get(position).getAlbums().get(0), imageView1);                    db.insert(data.get(position).getTitle(), "yuekao", null);                    break;                case 0:                    if (convertView == null) {                        convertView = convertView.inflate(MainActivity.this, R.layout.item2, null);                    }                    ImageView imageView2 = (ImageView) convertView.findViewById(R.id.tu2);                    TextView textView2 = (android.widget.TextView) convertView.findViewById(R.id.wenzi2);                    textView2.setText(data.get(position).getTitle());                    getimage(data.get(position).getAlbums().get(0), imageView2);                    db.insert(data.get(position).getTitle(), "yuekao", null);                    break;            }            return convertView;        }    }    public void getimage(String path, ImageView imageView) {        DisplayImageOptions options = new DisplayImageOptions.Builder()                .cacheOnDisk(true)                .cacheInMemory(true)                .build();        ImageLoader.getInstance().displayImage(path, imageView, options);    }}