wqs分页

package exam3.myapplication;import android.graphics.Color;import android.support.design.widget.TabLayout;import android.support.v4.app.Fragment;import android.support.v4.app.FragmentManager;import android.support.v4.app.FragmentPagerAdapter;import android.support.v4.app.FragmentTransaction;import android.support.v4.view.ViewPager;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.View;import android.widget.TextView;import java.util.ArrayList;import java.util.List;import fragments.Sy;import fragments.Wd;import fragments.Wtt;import fragments.Xg;public class MainActivity extends AppCompatActivity {    private TextView shouye;    private TextView xigua;    private TextView wtt;    private TextView wode;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        shouye = (TextView) findViewById(R.id.shouye);        xigua = (TextView) findViewById(R.id.xigua);        wtt = (TextView) findViewById(R.id.wtt);        wode = (TextView) findViewById(R.id.wode);//展示第一个视图        FragmentManager manager=getSupportFragmentManager();        FragmentTransaction transaction = manager.beginTransaction();        transaction.replace(R.id.fl,new Sy());        transaction.commit();        shouye.setTextColor(Color.RED);        xigua.setTextColor(Color.GRAY);        wtt.setTextColor(Color.GRAY);        wode.setTextColor(Color.GRAY);        //点击事件        shouye.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View view) {                FragmentManager manager=getSupportFragmentManager();                FragmentTransaction transaction = manager.beginTransaction();                transaction.replace(R.id.fl,new Sy());                transaction.commit();                shouye.setTextColor(Color.RED);                xigua.setTextColor(Color.GRAY);                wtt.setTextColor(Color.GRAY);                wode.setTextColor(Color.GRAY);            }        });        xigua.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View view) {                FragmentManager manager=getSupportFragmentManager();                FragmentTransaction transaction = manager.beginTransaction();                transaction.replace(R.id.fl,new Xg());                transaction.commit();                shouye.setTextColor(Color.GRAY);                xigua.setTextColor(Color.RED);                wtt.setTextColor(Color.GRAY);                wode.setTextColor(Color.GRAY);            }        });        wtt.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View view) {                FragmentManager manager=getSupportFragmentManager();                FragmentTransaction transaction = manager.beginTransaction();                transaction.replace(R.id.fl,new Wtt());                transaction.commit();                shouye.setTextColor(Color.GRAY);                xigua.setTextColor(Color.GRAY);                wtt.setTextColor(Color.RED);                wode.setTextColor(Color.GRAY);            }        });        wode.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View view) {                FragmentManager manager=getSupportFragmentManager();                FragmentTransaction transaction = manager.beginTransaction();                transaction.replace(R.id.fl,new Wd());                transaction.commit();                shouye.setTextColor(Color.GRAY);                xigua.setTextColor(Color.GRAY);                wtt.setTextColor(Color.GRAY);                wode.setTextColor(Color.RED);            }        });    }}

apackage exam3.myapplication;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.provider.ContactsContract;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.ListView;import android.widget.TextView;import com.google.gson.Gson;import com.jwenfeng.library.pulltorefresh.BaseRefreshListener;import com.jwenfeng.library.pulltorefresh.PullToRefreshLayout;import com.nostra13.universalimageloader.core.ImageLoader;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.ProtocolException;import java.net.URL;import java.util.List;public class MyFragment extends Fragment{    private ListView lv;    private List<Newslist> list;    private String mString;    private JsonRootBean bean;    private String path;    private int cont=10;    private Handler handler = new Handler(){        @Override        public void handleMessage(Message msg) {            bean = (JsonRootBean) msg.obj;            list = bean.getNewslist();            myad = new Myad();            lv.setAdapter(myad);        }    };    private Myad myad;    @Nullable    @Override    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {        View view = inflater.inflate(R.layout.news_layout,container,false);        final PullToRefreshLayout pull=view.findViewById(R.id.pull);        lv = view.findViewById(R.id.pull_lv);        pull.setRefreshListener(new BaseRefreshListener() {            @Override            public void refresh() {                handler.postDelayed(new Runnable() {                    @Override                    public void run() {                        cont++;                        path = "http://api.tianapi.com/meinv/?key=6dd96d7344c784e7d5a6f6dfd118cde3&num=" + cont;                        getData();                        myad.notifyDataSetChanged();                        pull.finishRefresh();                    }                },2000);            }            @Override            public void loadMore() {                handler.postDelayed(new Runnable() {                    @Override                    public void run() {                        cont++;                        path = "http://api.tianapi.com/meinv/?key=6dd96d7344c784e7d5a6f6dfd118cde3&num=" + cont;                        getData();                        myad.notifyDataSetChanged();                        pull.finishLoadMore();                    }                },2000);            }        });        return view;    }    @Override    public void onActivityCreated(@Nullable Bundle savedInstanceState) {        super.onActivityCreated(savedInstanceState);        Bundle bundle =getArguments();        mString = bundle.getString("name","福利");        getData();    }    public void getData() {        new Thread(){            @Override            public void run() {                   if (path==null) {                       path = "http://api.tianapi.com/meinv/?key=6dd96d7344c784e7d5a6f6dfd118cde3&num=" + cont;                   }                try {                    URL url = new URL(path);                    HttpURLConnection connection = (HttpURLConnection) url.openConnection();                    connection.setRequestMethod("GET");                    connection.setConnectTimeout(5000);                    connection.setReadTimeout(5000);                    if (connection.getResponseCode() == 200) {                        InputStream stream = connection.getInputStream();                        String json = zhuan(stream, "utf-8");                        Log.i("TAG",json);                        Gson gson = new Gson();                        bean = gson.fromJson(json, JsonRootBean.class);                        Message message = Message.obtain();                        message.what = 0;                        message.obj = bean;                        handler.sendMessage(message);                    }                } catch (Exception e) {                    e.printStackTrace();                }            }    }.start();}    private String zhuan(InputStream stream, String s) {        try {            InputStreamReader in=new InputStreamReader(stream,s);            BufferedReader re=new BufferedReader(in);            String ss=null;            StringBuilder builder=new StringBuilder();            while((ss=re.readLine())!=null){                builder.append(ss);            }            return builder.toString();        } catch (Exception e) {            e.printStackTrace();        }        return null;    }    class Myad extends BaseAdapter {        @Override        public int getCount() {            return list.size();        }        @Override        public Object getItem(int i) {            return null;        }        @Override        public long getItemId(int i) {            return 0;        }        @Override        public View getView(int i, View view, ViewGroup viewGroup) {            He he = null;            if (view == null) {                view = View.inflate(getActivity(), R.layout.item, null);                he = new He();                he.item_img1 = view.findViewById(R.id.item_img1);                he.item_img2 = view.findViewById(R.id.item_img2);                he.item_img3 = view.findViewById(R.id.item_img3);                he.tv = view.findViewById(R.id.tv);                view.setTag(he);            } else {                he = (He) view.getTag();            }            he.tv.setText(list.get(i).getTitle());            ImageLoader.getInstance().displayImage(list.get(i).getPicUrl(),he.item_img1);            ImageLoader.getInstance().displayImage(list.get(i).getPicUrl(),he.item_img2);            return view;        }        class He {            ImageView item_img1,item_img2,item_img3;            TextView tv;        }    }    }

package fragments;import android.os.Bundle;import android.support.annotation.Nullable;import android.support.design.widget.TabLayout;import android.support.v4.app.Fragment;import android.support.v4.app.FragmentActivity;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 java.util.ArrayList;import java.util.List;import exam3.myapplication.MyFragment;import exam3.myapplication.R;public class Sy extends Fragment{    private TabLayout tab;    private ViewPager vp;    private List<String> list;    @Nullable    @Override    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {        View v=View.inflate(getActivity(), R.layout.sy,null);        tab = v.findViewById(R.id.tab);        vp = v.findViewById(R.id.vp);//福利、Android、iOS、休息视频、拓展资源、前端、all        //给集合添加数据        list=new ArrayList<String>();        list.add("福利");        list.add("Android");        list.add("iOS");        list.add("休息视频");        list.add("拓展资源");        list.add("前端");        list.add("all");        vp.setAdapter(new FragmentPagerAdapter(getActivity().getSupportFragmentManager()) {            @Override            public CharSequence getPageTitle(int position) {                return list.get(position);            }            @Override            public Fragment getItem(int position) {                MyFragment fragment_1 = new MyFragment();                Bundle bundle=new Bundle();                //判断赋值                if(list.get(position).equals("福利")){                    bundle.putString("name","福利");                }else if(list.get(position).equals("Android")){                    bundle.putString("name","Android");                }else if(list.get(position).equals("iOS")){                    bundle.putString("name","iOS");                }else if(list.get(position).equals("休息视频")){                    bundle.putString("name","休息视频");                }else if(list.get(position).equals("拓展资源")){                    bundle.putString("name","拓展资源");                }else if(list.get(position).equals("前端")){                    bundle.putString("name","前端");                }else if(list.get(position).equals("all")) {                    bundle.putString("name", "all");                }                fragment_1.setArguments(bundle);                return fragment_1;            }            @Override            public int getCount() {                return list.size();            }        });        tab.setupWithViewPager(vp);        return v;    }}

package exam3.myapplication;import android.app.Application;import com.nostra13.universalimageloader.core.DisplayImageOptions;import com.nostra13.universalimageloader.core.ImageLoader;import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;import com.nostra13.universalimageloader.core.display.FadeInBitmapDisplayer;public class Img extends Application{    @Override    public void onCreate() {        DisplayImageOptions options=new DisplayImageOptions.Builder().showImageOnLoading(R.mipmap.ic_launcher).displayer(new FadeInBitmapDisplayer(2000)).cacheOnDisc(true).cacheInMemory(true).build();        ImageLoaderConfiguration configuration=new ImageLoaderConfiguration.Builder(this).defaultDisplayImageOptions(options).threadPoolSize(5).build();        ImageLoader.getInstance().init(configuration);        super.onCreate();    }}

<?xml version="1.0" encoding="utf-8"?><RelativeLayout    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="exam3.myapplication.MainActivity">    <LinearLayout        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:id="@+id/ll"        android:orientation="horizontal"        android:gravity="center"        android:layout_alignParentBottom="true"        >        <TextView            android:layout_width="0dp"            android:layout_height="wrap_content"            android:layout_weight="1"            android:text="首页"            android:id="@+id/shouye"            android:textColor="#f00"            android:gravity="center"/>        <TextView            android:layout_width="0dp"            android:layout_height="wrap_content"            android:layout_weight="1"            android:text="西瓜视频"            android:id="@+id/xigua"            android:gravity="center"/>        <TextView            android:layout_width="0dp"            android:layout_height="wrap_content"            android:layout_weight="1"            android:text="微头条"            android:id="@+id/wtt"            android:gravity="center"/>        <TextView            android:layout_width="0dp"            android:layout_height="wrap_content"            android:layout_weight="1"            android:text="我的"            android:id="@+id/wode"            android:gravity="center"/>    </LinearLayout>    <FrameLayout        android:layout_width="match_parent"        android:layout_height="match_parent"        android:layout_above="@+id/ll"        android:id="@+id/fl">    </FrameLayout></RelativeLayout>

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android "    android:orientation="vertical" android:layout_width="match_parent"    android:layout_height="match_parent">    <TextView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:id="@+id/tv"/>    <LinearLayout        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:orientation="horizontal"        >        <ImageView            android:layout_width="0dp"            android:layout_weight="1"            android:layout_height="wrap_content"            android:src="@mipmap/ic_launcher"            android:id="@+id/item_img1"/>        <ImageView            android:layout_width="0dp"            android:layout_weight="1"            android:src="@mipmap/ic_launcher"            android:layout_height="wrap_content"            android:id="@+id/item_img2"/>        <ImageView            android:layout_width="0dp"            android:layout_weight="1"            android:src="@mipmap/ic_launcher"            android:layout_height="wrap_content"            android:id="@+id/item_img3"/>    </LinearLayout></LinearLayout>

 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android "    xmlns:app="http://schemas.android.com/apk/res-auto "    android:orientation="vertical"    android:layout_width="match_parent"    android:layout_height="match_parent">    <android.support.design.widget.TabLayout        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:id="@+id/tab"        app:tabIndicatorColor="#f5e20d"        app:tabIndicatorHeight="5dp"        app:tabGravity="center"        app:tabSelectedTextColor="#090df7"        app:tabTextColor="#000000"        app:tabMode="scrollable"        android:fillViewport="false">    </android.support.design.widget.TabLayout>    <android.support.v4.view.ViewPager        android:layout_width="match_parent"        android:layout_height="match_parent"        android:id="@+id/vp"        ></android.support.v4.view.ViewPager></LinearLayout>

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android "    android:orientation="vertical" android:layout_width="match_parent"    android:layout_height="match_parent">    <com.jwenfeng.library.pulltorefresh.PullToRefreshLayout        android:layout_width="match_parent"        android:layout_height="match_parent"        android:id="@+id/pull">        <ListView            android:layout_width="match_parent"            android:layout_height="match_parent"            android:id="@+id/pull_lv"></ListView>    </com.jwenfeng.library.pulltorefresh.PullToRefreshLayout></LinearLayout>