练习题

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package com.example.textexercisedemo;

import android.os.TransactionTooLargeException;
import android.support.annotation.IdRes;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.Animation;
import android.view.animation.TranslateAnimation;
import android.widget.ImageView;
import android.widget.RadioButton;
import android.widget.RadioGroup;

import com.example.textexercisedemo.Fragment.F_Introduce;
import com.example.textexercisedemo.Fragment.F_construction;
import com.example.textexercisedemo.Fragment.F_obligation;

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

public class MainActivity extends FragmentActivity {

private RadioGroup radio;private RadioButton radio_introduce;private RadioButton radio_obligation;private RadioButton radio_construction;private ViewPager vp;private List<Fragment>list = new ArrayList<Fragment>();@Overrideprotected void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_main);    radio = (RadioGroup) findViewById(R.id.Radio);    radio_introduce = (RadioButton) findViewById(R.id.Radio_introduce);    radio_obligation = (RadioButton) findViewById(R.id.Radio_obligation);    radio_construction = (RadioButton) findViewById(R.id.Radio_construction);    vp = (ViewPager) findViewById(R.id.vp);    //设置适配器Fragment    initVp();    //设置ViewPager的监听事件    radioMonitor();}private void radioMonitor() {    //设置ViewPager的监听事件    radio.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {        @Override        public void onCheckedChanged(RadioGroup group, @IdRes int checkedId) {            switch (checkedId){                case R.id.Radio_introduce:                    vp.setCurrentItem(0);                    break;                case R.id.Radio_obligation:                    vp.setCurrentItem(1);                    break;                case R.id.Radio_construction:                    vp.setCurrentItem(2);                    break;            }        }    });    //页面滑动的监听事件    vp.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {        @Override        public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {        }        @Override        public void onPageSelected(int position) {            switch (position){                case 0:                    radio.check(R.id.Radio_introduce);                    break;                case 1:                    radio.check(R.id.Radio_obligation);                    break;                case 2:                    radio.check(R.id.Radio_construction);                    break;            }        }        @Override        public void onPageScrollStateChanged(int state) {        }    });}private void initVp() {    F_Introduce f_introduce = new F_Introduce();    F_obligation f_obligation = new F_obligation();    F_construction f_construction = new F_construction();    list.add(f_introduce);    list.add(f_obligation);    list.add(f_construction);    //设置适配器Fragment    vp.setAdapter(new FragmentPagerAdapter(getSupportFragmentManager()) {        @Override        public Fragment getItem(int position) {            return list.get(position);        }        @Override        public int getCount() {            return list.size();        }    });}

}

package com.example.textexercisedemo.Fragment;

import android.os.AsyncTask;
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.ListAdapter;
import android.widget.TextView;

import com.example.textexercisedemo.Bean.IntroduceBean;
import com.example.textexercisedemo.R;
import com.example.textexercisedemo.utils.StreamTools;
import com.google.gson.Gson;
import com.limxing.xlistview.view.XListView;
import com.nostra13.universalimageloader.core.ImageLoader;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.List;

/**
* name ：李飞宇
* Date: 2017/5/2
* desc: 主页面——本社介绍
*/

public class F_Introduce extends Fragment implements XListView.IXListViewListener{

private IntroduceBean introduceBean;private XListView xlv;private List<IntroduceBean> list = new ArrayList<IntroduceBean>();private int channelId = 0;

// private int startNum = 0;
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
return inflater.inflate(R.layout.introduce, container, false);
}

@Overridepublic void onActivityCreated(@Nullable Bundle savedInstanceState) {    super.onActivityCreated(savedInstanceState);    xlv = (XListView) getView().findViewById(R.id.xlv1);    //设置是否允许加载更多    xlv.setPullLoadEnable(true);    xlv.setXListViewListener(this);    getmMenu();}public void getmMenu() {    new AsyncTask<String, Void, String>() {        @Override        protected String doInBackground(String... params) {            try {                URL url = new URL("http://www.93.gov.cn/93app/data.do");                HttpURLConnection connection = (HttpURLConnection) url.openConnection();                connection.setRequestMethod("POST");                connection.setConnectTimeout(5000);                connection.setReadTimeout(5000);                OutputStream os = connection.getOutputStream();                os.write(("channelId=" + 0 + "&" + "startNum="+0).getBytes());                PrintWriter pw = new PrintWriter(os);                //把数据刷出去                pw.flush();                int code = connection.getResponseCode();                if (code == 200) {                    InputStream is = connection.getInputStream();                    String s = StreamTools.readFromNetWork(is);                    return s;                }            } catch (Exception e) {                e.printStackTrace();            }            return null;        }        @Override        protected void onPostExecute(String s) {            super.onPostExecute(s);            if (s != null) {                Gson gson = new Gson();                introduceBean = gson.fromJson(s, IntroduceBean.class);                xlv.setAdapter(new MyAdapter());            }        }    }.execute();}@Overridepublic void onRefresh() {}@Overridepublic void onLoadMore() {}private class MyAdapter extends BaseAdapter {    private ImageView image;    private TextView tv;    @Override    public int getCount() {        return introduceBean.getData().size();    }    @Override    public Object getItem(int position) {        return introduceBean.getData().get(position);    }    @Override    public long getItemId(int position) {        return position;    }    @Override    public View getView(int position, View convertView, ViewGroup parent) {        if (convertView == null) {            convertView = convertView.inflate(getActivity(), R.layout.list_image_tv, null);        }        image = (ImageView) convertView.findViewById(R.id.image);        tv = (TextView) convertView.findViewById(R.id.tv);        tv.setText(introduceBean.getData().get(position).getTITLE());

// ImageLoader.getInstance().displayImage(list.get(position).getAlbums().get(0),ivIcon);
ImageLoader.getInstance().displayImage(introduceBean.getData().get(position).getIMAGEURL(), image);
return convertView;
}
}

}

ImageLoader
package com.example.textexercisedemo;

import android.app.Application;
import android.os.Environment;

import com.nostra13.universalimageloader.cache.disc.impl.UnlimitedDiskCache;
import com.nostra13.universalimageloader.cache.disc.naming.Md5FileNameGenerator;
import com.nostra13.universalimageloader.cache.memory.impl.LruMemoryCache;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
import com.nostra13.universalimageloader.core.download.BaseImageDownloader;
import com.nostra13.universalimageloader.utils.StorageUtils;

import java.io.File;

/**
* name ：李飞宇
* Date: 2017/5/2
* desc:
*/

public class AppImageLoader extends Application {
@Override
public void onCreate() {
super.onCreate();
File cacheDir = StorageUtils.getOwnCacheDirectory(this, Environment.getExternalStorageDirectory().getPath());
ImageLoaderConfiguration configuration = new ImageLoaderConfiguration.Builder(this)
.memoryCache(new LruMemoryCache(2 * 1024 * 1024))
// .diskCache(new UnlimitedDiskCache(cacheDir))
.diskCacheSize(50 * 1024 *1024)
.diskCacheFileNameGenerator(new Md5FileNameGenerator())
.diskCacheFileCount(100)
.imageDownloader(new BaseImageDownloader(this))
.build();
ImageLoader.getInstance().init(configuration);

}

package com.example.textexercisedemo.utils;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;

/**
* 流转化工具类
*/
public class StreamTools {

/** * 流转化成字符串 * @param is * @return */public static String readFromNetWork(InputStream is){    try {        ByteArrayOutputStream baos = new ByteArrayOutputStream();        byte[] buffer = new byte[1024];        int len = 0;        while ((len = is.read(buffer)) != -1){            baos.write(buffer,0,len);        }        return baos.toString();    } catch (IOException e) {        e.printStackTrace();    }    return null;}

}

package com.example.textexercisedemo.Fragment;

import com.example.textexercisedemo.Bean.obligationBean;
import com.example.textexercisedemo.R;
import com.example.textexercisedemo.utils.StreamTools;
import com.google.gson.Gson;
import com.limxing.xlistview.view.XListView;
import com.nostra13.universalimageloader.core.ImageLoader;

import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;

/**
* name ：李飞宇
* Date: 2017/5/2
* desc: 第二个也面——履行职责
*/

public class F_obligation extends Fragment {

private XListView xlv;private com.example.textexercisedemo.Bean.obligationBean obligationBean;@Nullable@Overridepublic View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {    return inflater.inflate(R.layout.obligation, container, false);}@Overridepublic void onActivityCreated(@Nullable Bundle savedInstanceState) {    super.onActivityCreated(savedInstanceState);    xlv = (XListView) getActivity().findViewById(R.id.xlv2);    getoblig();}public void getoblig() {    new AsyncTask<String, Void, String>() {        @Override        protected String doInBackground(String... params) {            try {                URL url = new URL("http://www.93.gov.cn/93app/data.do");                HttpURLConnection connection = (HttpURLConnection) url.openConnection();                connection.setRequestMethod("POST");                connection.setConnectTimeout(5000);                connection.setReadTimeout(5000);                OutputStream os = connection.getOutputStream();                os.write(("channelId=" + 1 + "&" + "startNum=21").getBytes());                PrintWriter writer = new PrintWriter(os);                writer.flush();                int code = connection.getResponseCode();                if (code == HttpURLConnection.HTTP_OK) {                    InputStream stream = connection.getInputStream();                    String s = StreamTools.readFromNetWork(stream);                    return s;                }            } catch (Exception e) {                e.printStackTrace();            }            return null;        }        @Override        protected void onPostExecute(String s) {            super.onPostExecute(s);            if (s != null) {                Gson gson = new Gson();                obligationBean = gson.fromJson(s, obligationBean.class);                //设置适配器                xlv.setAdapter(new MyAdapter());            }        }    }.execute();}private class MyAdapter extends BaseAdapter {    private ImageView image;    private TextView tv;    @Override    public int getCount() {        return obligationBean.getData().size();    }    @Override    public Object getItem(int position) {        return obligationBean.getData().get(position);    }    @Override    public long getItemId(int position) {        return position;    }    @Override    public View getView(int position, View convertView, ViewGroup parent) {        if (convertView == null) {            convertView=convertView.inflate(getActivity(),R.layout.text,null);        }

// image = (ImageView) convertView.findViewById(R.id.image);
tv = (TextView) convertView.findViewById(R.id.textView);
tv.setText(obligationBean.getData().get(position).getSUBTITLE());
// tv.setText(introduceBean.getData().get(position).getTITLE());
// ImageLoader.getInstance().displayImage( obligationBean.getData().get(position).getIMAGEURL(),image);

        return convertView;    }}

}

package com.example.textexercisedemo.Fragment;

import com.example.textexercisedemo.Bean.constructionBean;
import com.example.textexercisedemo.R;
import com.example.textexercisedemo.utils.StreamTools;
import com.google.gson.Gson;
import com.limxing.xlistview.view.XListView;
import com.nostra13.universalimageloader.core.ImageLoader;

/**
* name ：李飞宇
* Date: 2017/5/2
* desc: 第三个页面——自我建设
*/

public class F_construction extends Fragment {

private XListView xlv;private com.example.textexercisedemo.Bean.constructionBean constructionBean;@Nullable@Overridepublic View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {    return inflater.inflate(R.layout.construction, container, false);}@Overridepublic void onActivityCreated(@Nullable Bundle savedInstanceState) {    super.onActivityCreated(savedInstanceState);    xlv = (XListView) getActivity().findViewById(R.id.xlv);    getconstr();}public void getconstr() {    new AsyncTask<String, Void, String>() {        @Override        protected String doInBackground(String... params) {            try {                URL url = new URL("http://www.93.gov.cn/93app/data.do");                HttpURLConnection connection = (HttpURLConnection) url.openConnection();                connection.setRequestMethod("POST");                connection.setReadTimeout(5000);                connection.setConnectTimeout(5000);                OutputStream os = connection.getOutputStream();                os.write(("channelId=" + 3 + "&" + "startNum=" + 21).getBytes());                PrintWriter ps = new PrintWriter(os);                ps.flush();                int code = connection.getResponseCode();                if (code == HttpURLConnection.HTTP_OK) {                    InputStream is = connection.getInputStream();                    String s = StreamTools.readFromNetWork(is);                    return s;                }            } catch (Exception e) {                e.printStackTrace();            }            return null;        }        @Override        protected void onPostExecute(String s) {            super.onPostExecute(s);            if (s != null) {                Gson gson = new Gson();                constructionBean = gson.fromJson(s, constructionBean.class);                //设置适配器                xlv.setAdapter(new MyAdapter());            }        }    }.execute();}private class MyAdapter extends BaseAdapter {    @Override    public int getCount() {        return constructionBean.getData().size();    }    @Override    public Object getItem(int position) {        return constructionBean.getData().get(position);    }    @Override    public long getItemId(int position) {        return position;    }    @Override    public View getView(int position, View convertView, ViewGroup parent) {        if (convertView == null){            convertView = convertView.inflate(getActivity(),R.layout.text,null);        }

// ImageView image = (ImageView) convertView.findViewById(R.id.image);
TextView tv = (TextView) convertView.findViewById(R.id.textView);
// ImageLoader.getInstance().displayImage();
tv.setText(constructionBean.getData().get(position).getSUBTITLE());
return convertView;
}
}
}

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