模拟头条

//Activity布局

xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
    android:layout_height="match_parent" tools:context="com.bwie.skn.conan_lianxi00.MainActivity">
    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">
    <LinearLayout
        android:id="@+id/ll"
        android:orientation="horizontal"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        >

        <Button
            android:id="@+id/b1"
            android:layout_width="0dp"
            android:layout_weight="1"
            android:layout_height="wrap_content"
            android:text="首页"
            android:onClick="b1"
            android:textSize="18dp"
            />
        <Button
            android:id="@+id/b2"
            android:layout_width="0dp"
            android:layout_weight="1"
            android:layout_height="wrap_content"
            android:text="行情"
            android:onClick="b2"
            android:textSize="18dp"
            />
        <Button
            android:id="@+id/b3"
            android:layout_width="0dp"
            android:layout_weight="1"
            android:layout_height="wrap_content"
            android:text="资讯"
            android:onClick="b3"
            android:textSize="18dp"
            />
    LinearLayout>
    <FrameLayout
        android:id="@+id/fl"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_above="@id/ll"
        >FrameLayout>
    RelativeLayout>
    <LinearLayout
        android:layout_width="300dp"
        android:layout_height="match_parent"
        android:orientation="vertical"
        android:layout_gravity="left"
        android:background="#5cbbf4"
        >
        <ImageView
            android:layout_width="150dp"
            android:layout_height="150dp"
            android:src="@drawable/qwe"
            android:layout_gravity="center_horizontal"
            />
        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:textSize="30dp"
            android:text="我"
            />
        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:textSize="30dp"
            android:text="是"
            />
        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:textSize="30dp"
            android:text="侧"
            />
        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:textSize="30dp"
            android:text="滑"
            />
        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:textSize="30dp"
            android:text="栏"
            />
    LinearLayout>

android.support.v4.widget.DrawerLayout>

//Activity代码

package com.bwie.skn.conan_lianxi00;

import android.graphics.Color;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.FrameLayout;

import com.bwie.skn.conan_lianxi00.feagment.Fragment1;
import com.bwie.skn.conan_lianxi00.feagment.Fragment2;
import com.bwie.skn.conan_lianxi00.feagment.Fragment3;

public class MainActivity extends AppCompatActivity {
    private FrameLayout fl;
    private Button b1,b2,b3;
    private Fragment1 fragment1;
    private Fragment2 fragment2;
    private Fragment3 fragment3;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initView();
        initfragment();
    }



    private void initView() {
        b1 = (Button) findViewById(R.id.b1);
        b2 = (Button) findViewById(R.id.b2);
        b3 = (Button) findViewById(R.id.b3);
        b1.setTextColor(Color.RED);
    }
    private void initfragment() {
        fragment1 = new Fragment1();
        fragment2 = new Fragment2();
        fragment3 = new Fragment3();
        getSupportFragmentManager().beginTransaction().add(R.id.fl,fragment1).commit();
        getSupportFragmentManager().beginTransaction().add(R.id.fl,fragment2).commit();
        getSupportFragmentManager().beginTransaction().add(R.id.fl,fragment3).commit();
        getSupportFragmentManager().beginTransaction().hide(fragment1).commit();
        getSupportFragmentManager().beginTransaction().hide(fragment2).commit();
        getSupportFragmentManager().beginTransaction().hide(fragment3).commit();
        getSupportFragmentManager().beginTransaction().show(fragment1).commit();
    }

    public void b1(View view){
        b1.setTextColor(Color.RED);
        b2.setTextColor(Color.BLACK);
        b3.setTextColor(Color.BLACK);
        getSupportFragmentManager().beginTransaction().show(fragment1).commit();
        getSupportFragmentManager().beginTransaction().hide(fragment2).commit();
        getSupportFragmentManager().beginTransaction().hide(fragment3).commit();


    }
    public void b2(View view){
        b1.setTextColor(Color.BLACK);
        b2.setTextColor(Color.RED);
        b3.setTextColor(Color.BLACK);
        getSupportFragmentManager().beginTransaction().hide(fragment1).commit();
        getSupportFragmentManager().beginTransaction().show(fragment2).commit();
        getSupportFragmentManager().beginTransaction().hide(fragment3).commit();
    }
    public  void b3(View view){
        b1.setTextColor(Color.BLACK);
        b2.setTextColor(Color.BLACK);
        b3.setTextColor(Color.RED);
        getSupportFragmentManager().beginTransaction().hide(fragment1).commit();
        getSupportFragmentManager().beginTransaction().hide(fragment2).commit();
        getSupportFragmentManager().beginTransaction().show(fragment3).commit();
    }
}

//Fragment布局

xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    >
    <HorizontalScrollView
        android:id="@+id/hsv"
        android:layout_width="match_parent"
        android:layout_height="40dp">
        <LinearLayout
            android:id="@+id/hll"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            >
        LinearLayout>
    HorizontalScrollView>
    <android.support.v4.view.ViewPager
        android:id="@+id/hvp"
        android:layout_width="match_parent"
        android:layout_height="match_parent">android.support.v4.view.ViewPager>
LinearLayout>

//Fragment代码

package com.bwie.skn.conan_lianxi00.feagment;

import android.graphics.Color;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.HorizontalScrollView;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.bwie.skn.conan_lianxi00.R;

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

/**
 * author:Created by WangZhiQiang on 2017/10/11.
 */

public class Fragment3 extends Fragment{
    private View view;
    private HorizontalScrollView hsv;
    private LinearLayout hll;
    private ViewPager hvp;
    private List<TextView> textlist = new ArrayList<>();
    final String[] titles = new String[]{"数据新闻","快讯","头条","精编广告","美股","港股","基金","理财"};
    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        view = inflater.inflate(R.layout.fragment3,container,false);
        return view;
    }

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

    }

    private void initView() {
        hsv =(HorizontalScrollView) view.findViewById(R.id.hsv);
        hll =(LinearLayout) view.findViewById(R.id.hll);
        hvp =(ViewPager) view.findViewById(R.id.hvp);
        for(int i=0;i<titles.length;i++){
            TextView textView = new TextView(getActivity());
            textView.setText(titles[i]);
            textView.setTextSize(18);
            textView.setWidth(150);
            textView.setId(i+1000);
            textView.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View view) {
                    int id = view.getId();
                    hvp.setCurrentItem(id-1000);
                }
            });
            if(i==0){
                textView.setTextColor(Color.RED);
            }else{
                textView.setTextColor(Color.BLACK);
            }
            LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
            layoutParams.setMargins(20,10,20,10);
            //添加到布局
            hll.addView(textView,layoutParams);
            //添加到集合
            textlist.add(textView);
        }
        hvp.setAdapter(new MAdapter(getActivity().getSupportFragmentManager()));
        hvp.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
            @Override
            public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
                for (int i=0;i<textlist.size();i++){
                    if(position==i){
                        textlist.get(i).setTextColor(Color.RED);
                    }else{
                        textlist.get(i).setTextColor(Color.BLACK);
                    }
                }
                TextView textView = textlist.get(position);
                int i = textView.getWidth()+10;
                hsv.scrollTo(i*position,0);
            }

            @Override
            public void onPageSelected(int position) {

            }

            @Override
            public void onPageScrollStateChanged(int state) {

            }
        });


    }

    class MAdapter extends FragmentPagerAdapter{

        public MAdapter(FragmentManager fm) {
            super(fm);
        }

        @Override
        public Fragment getItem(int position) {
            //http://mnews.gw.com.cn/wap/data/news/分类标识/page_页数.json
            String[] title = new String[]{"xbsjxw","txs","toutiao","news/mobile/jbgg","news/mobile/mgxw","news/mobile/ggxw","news/mobile/jjxw","news/mobile/lcxw"};
            return Fragment_zx.getinstans("http://mnews.gw.com.cn/wap/data/news/"+title[position]+"/page_");
        }

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

//viewpager——Fragment布局

xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
    <com.bawei.wzq.wzlibrary.view.XListView
        android:id="@+id/xlv"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        >com.bawei.wzq.wzlibrary.view.XListView>

LinearLayout>

//viewpaget_Fragment代码

package com.bwie.skn.conan_lianxi00.feagment;

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.ImageView;
import android.widget.TextView;

import com.bawei.wzq.wzlibrary.view.XListView;
import com.bwie.skn.conan_lianxi00.R;
import com.bwie.skn.conan_lianxi00.bean.LvBean;
import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;

/**
 * author:Created by WangZhiQiang on 2017/10/11.
 */
//http://news.xinhuanet.com/politics/2017-09/30/1121752088_15067520678551n.jpg
public class Fragment_zx extends Fragment implements XListView.IXListViewListener{
    View view;
    private XListView xlv;
    private List<LvBean> list = new ArrayList<>();
    private MAdapter adapter;
    private String title;
    private int n=1;
    private DisplayImageOptions options;

    public static Fragment_zx getinstans(String title){
        Fragment_zx fragment_zx = new Fragment_zx();
        Bundle bundle = new Bundle();
        bundle.putString("title",title);
        fragment_zx.setArguments(bundle);
        return fragment_zx;
    }
    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        view = inflater.inflate(R.layout.fragment_zx,container,false);
        return view;
    }

    @Override
    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        //sd卡
        options = new DisplayImageOptions.Builder()
                .cacheOnDisk(true)   //sd卡
                .cacheInMemory(true)
                .build();
        //接收路径
        Bundle arguments = getArguments();
        title = arguments.getString("title");
        //初始化控件
        xlv =(XListView) view.findViewById(R.id.xlv);
        //必须写
        xlv.setPullLoadEnable(true);
        xlv.setXListViewListener(this);
        Log.e("Conan", title +"1.json");
        adapter = new MAdapter();
        xlv.setAdapter(adapter);
        new MAsyncTask().execute(title +"1.json");


    }

    //网络获取
    class MAsyncTask extends AsyncTask<String,Void,String>{
        private StringBuilder builder;
        @Override
        protected String doInBackground(String... strings) {
            try {
                //获取url
                URL url = new URL(strings[0]);
                //请求网络
                HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
                int code = urlConnection.getResponseCode();
                //判断是否返回成功
                if(code==200){
                    //获取网络信息
                    InputStream inputStream = urlConnection.getInputStream();
                    BufferedReader bf = new BufferedReader(new InputStreamReader(inputStream));
                    builder = new StringBuilder();
                    String s = "";
                    //拼接
                    while((s=bf.readLine())!=null){
                        builder.append(s);
                    }
                }
            } catch (Exception e) {
                e.printStackTrace();
            }

            return builder.toString();
        }

        @Override
        protected void onPostExecute(String s) {
            super.onPostExecute(s);
            Log.e("Conan",s+"+-+-+-+-+-+-+-+-ss");
            try {
                JSONArray array = new JSONArray(s);
                JSONObject object = array.optJSONObject(0);
                JSONArray array2 = object.optJSONArray("data");
                for(int i=0;i<array2.length();i++){
                    String titleJson = array2.optJSONObject(i).optString("title");
                    String summaryJson = array2.optJSONObject(i).optString("summary");
                    String imgJson = array2.optJSONObject(i).optString("img");
                    if (imgJson.equals("")){
                        list.add(new LvBean(titleJson,summaryJson,"http://news.xinhuanet.com/politics/2017-09/30/1121752088_15067520678551n.jpg"));
                    }else{
                        list.add(new LvBean(titleJson,summaryJson,imgJson));
                    }
                }

                adapter.notifyDataSetChanged();

            } catch (JSONException e) {
                e.printStackTrace();
            }
        }
    }

    //适配器
    class MAdapter extends BaseAdapter{

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

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

        @Override
        public long getItemId(int i) {
            return i;
        }
        class ViewHodler{
            TextView title;
            TextView summary;
            ImageView img;
        }
        @Override
        public View getView(int i, View view, ViewGroup viewGroup) {
            int type = getItemViewType(i);
                switch(type){
                        case 0:
                            ViewHodler vh;
                            if (view==null){
                                view = View.inflate(getActivity(),R.layout.lv_item1_layout,null);
                                vh = new ViewHodler();
                                vh.title =(TextView) view.findViewById(R.id.title);
                                vh.summary =(TextView) view.findViewById(R.id.summary);
                                vh.img = (ImageView) view.findViewById(R.id.img);
                                view.setTag(vh);
                            }else{
                                vh = (ViewHodler) view.getTag();
                            }

                            vh.title.setText(list.get(i).getTitle());
                            vh.summary.setText(list.get(i).getSummary());
                            ImageLoader.getInstance().displayImage(list.get(i).getImg(),vh.img,options);
                        break;
                        case 1:
                            ViewHodler vh1;
                            if (view==null){
                                view = View.inflate(getActivity(),R.layout.lv_item2_layout,null);
                                vh1 = new ViewHodler();
                                vh1.title =(TextView) view.findViewById(R.id.title);
                                vh1.summary =(TextView) view.findViewById(R.id.summary);
                                vh1.img = (ImageView) view.findViewById(R.id.img);
                                view.setTag(vh1);
                            }else{
                                vh1 = (ViewHodler) view.getTag();
                            }

                            vh1.title.setText(list.get(i).getTitle());
                            vh1.summary.setText(list.get(i).getSummary());
                            ImageLoader.getInstance().displayImage(list.get(i).getImg(),vh1.img,options);
                        break;

                    }
                    return view;
        }

        @Override
        public int getItemViewType(int position) {
            if (position%2==0){
                return 0;
            }else{
                return 1;
            }
        }

        @Override
        public int getViewTypeCount() {
            return 2;
        }
    }

    public void onLoad(){
        xlv.stopRefresh();
        xlv.stopLoadMore();
        xlv.setRefreshTime("刚刚");
    }
    //下拉刷新
    @Override
    public void onRefresh() {
        list.clear();
        new MAsyncTask().execute(title+"1.json");
        onLoad();
    }

    @Override
    public void onLoadMore() {
        n++;
        new MAsyncTask().execute(title+n+".json");
        onLoad();
    }
}