package com.example.zhoukao1;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Environment;
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 com.google.gson.Gson;
import com.limxing.xlistview.view.
XListView;
import com.nostra13.universalimageloader.cache.disc.impl.UnlimitedDiskCache;
import com.nostra13.universalimageloader.cache.disc.naming.Md5FileNameGenerator;
import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;
import java.util.List;
import static com.umeng.socialize.utils.DeviceConfig.
context;
/**
* Created by dell on 2017/8/4.
*/
public class MyFragemt
extends Fragment
implements XListView.IXListViewListener {
private View
view;
private XListView listview;
private int inder =
1;
private boolean flag =
false;
private ImageLoader
imageLoader;
private DisplayImageOptions
options;
@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 onActivityCreated(
@Nullable Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
listview = (
XListView)
view.findViewById(R.id.
listview);
listview.setPullLoadEnable(
true);
listview.setXListViewListener(
this);
try {
getDates(
"http://apis.juhe.cn/cook/query.php?");
}
catch (Exception e) {
e.printStackTrace();
}
}
public void getDates(String path) {
new AsyncTask<String, Void, String>() {
private Myasdpter
myasdpter;
@Override
protected void onPostExecute(String s) {
super.onPostExecute(s);
if (s !=
null) {
Gson gson =
new Gson();
ReadInfo readInfo = gson.fromJson(s, ReadInfo.
class);
List<ReadInfo.ResultBean.DataBean> data = readInfo.getResult().getData();
if (
myasdpter ==
null) {
myasdpter =
new Myasdpter(data);
listview.setAdapter(
new Myasdpter(data));
}
else {
myasdpter.LoadMore(data,
flag);
myasdpter.notifyDataSetChanged();
}
}
}
@Override
protected String doInBackground(String... params) {
try {
String path = params[
0];
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")).getBytes());
outputStream.flush();
int responseCode = urlConnection.getResponseCode();
if (responseCode ==
200) {
InputStream is = urlConnection.getInputStream();
String json = StreamTook.
read(is);
return json;
}
}
catch (Exception e) {
e.printStackTrace();
}
return null;
}
}.execute(path);
}
@Override
public void onRefresh() {
++
inder;
getDates(
"http://apis.juhe.cn/cook/query.php?");
flag =
true;
listview.stopRefresh(
true);
}
@Override
public void onLoadMore() {
++
inder;
getDates(
"http://apis.juhe.cn/cook/query.php?");
flag =
false;
listview.stopLoadMore();
}
class Myasdpter
extends BaseAdapter {
List<ReadInfo.ResultBean.DataBean>
data;
public Myasdpter(List<ReadInfo.ResultBean.DataBean> data) {
this.
data = data;
imageLoader=ImageLoader.
getInstance();
String s = Environment.
getExternalStorageDirectory() +
"qwe";
File file =
new File(s);
ImageLoaderConfiguration configuration =
new ImageLoaderConfiguration.Builder(getActivity())
.memoryCacheSize(
2 *
1024 *
1024)
.memoryCacheExtraOptions(
200,
200)
.threadPoolSize(
3)
.threadPriority(
1000)
.diskCache(
new UnlimitedDiskCache(file))
.diskCacheSize(
50 *
1024 *
1024)
.diskCacheFileCount(
50)
.diskCacheFileNameGenerator(
new Md5FileNameGenerator())
.build();
ImageLoader.
getInstance().init(configuration);
}
public void LoadMore(List<ReadInfo.ResultBean.DataBean> datas,
boolean flag) {
for (ReadInfo.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 0: {
if (convertView ==
null) {
convertView = convertView.
inflate(getActivity(), R.layout.
myfragitem1,
null);
}
TextView textitem1 = (TextView) convertView.findViewById(R.id.
textitem1);
ImageView imagitem1 = (ImageView) convertView.findViewById(R.id.
imagitem1);
textitem1.setText(
data.get(position).getTitle());
getimage(
data.get(position).getSteps().get(
0).getImg(), imagitem1);
}
break;
case 1: {
if (convertView ==
null) {
convertView = convertView.
inflate(getActivity(), R.layout.
myfragitem2,
null);
}
TextView textitem2 = (TextView) convertView.findViewById(R.id.
textitem2);
ImageView imagitem2 = (ImageView) convertView.findViewById(R.id.
imagitem2);
textitem2.setText(
data.get(position).getTitle());
getimage(
data.get(position).getSteps().get(
0).getImg(), imagitem2);
}
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);
}
}
