侧拉，

其他 2018-12-18 12:01:04 阅读次数: 0

activity_main

<?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:id="@+id/drawer"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <android.support.design.widget.TabLayout
            android:id="@+id/bottom_indicator"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_alignParentBottom="true"
            app:tabTextColor="@color/colorPrimary"
            app:tabSelectedTextColor="@color/colorAccent"
            app:tabIndicatorColor="@android:color/transparent"
            app:tabIndicatorHeight="1dp"
            />
        <android.support.v4.view.ViewPager
            android:id="@+id/contents"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_above="@id/bottom_indicator"
            />
    </RelativeLayout>
    <FrameLayout
            android:id="@+id/left_drawer"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_gravity="start"
            android:background="#ffffff"
            />


</android.support.v4.widget.DrawerLayout>

fragment_home

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <android.support.design.widget.TabLayout
        android:id="@+id/top_indicator"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:tabMode="scrollable"
        />
    <android.support.v4.view.ViewPager
        android:id="@+id/contents"
        android:layout_width="0dp"
        android:layout_height="0dp"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toBottomOf="@id/top_indicator"
        app:layout_constraintBottom_toBottomOf="parent"
        />
</android.support.constraint.ConstraintLayout>

fragment_left_drawer

<?xml version="1.0" encoding="utf-8"?>
<ListView
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/menus"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

</ListView>

fragment_recommend

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    >
    <com.youth.banner.Banner
        android:id="@+id/banner"
        android:layout_width="0dp"
        android:layout_height="200dp"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:indicator_width="8dp"
        app:indicator_height="8dp"
        app:indicator_drawable_selected="@drawable/shape_sel_dot"
        app:indicator_drawable_unselected="@drawable/shape_normal_dot"
        />
    <com.handmark.pulltorefresh.library.PullToRefreshListView
        android:id="@+id/xListView"
        android:layout_width="0dp"
        android:layout_height="0dp"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintTop_toBottomOf="@id/banner"

        />


</android.support.constraint.ConstraintLayout>

fragment_video

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <TextView
        android:id="@+id/video_text"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="text"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintBottom_toBottomOf="parent"
        />
</android.support.constraint.ConstraintLayout>

image_item

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:padding="10dp"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <ImageView
        android:id="@+id/image"
        android:layout_width="160dp"
        android:layout_height="100dp"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintBottom_toBottomOf="parent"/>
    <TextView
        android:id="@+id/news_title"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintLeft_toRightOf="@id/image"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintBottom_toTopOf="@id/news_summary"/>
    <TextView
        android:id="@+id/news_summary"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toRightOf="@id/image"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toBottomOf="@id/news_title"
        android:layout_marginTop="30dp"/>
</android.support.constraint.ConstraintLayout>

menu_image_item

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:paddingTop="10dp"
    android:paddingBottom="10dp">
    <ImageView
        android:id="@+id/icon"
        android:layout_width="100dp"
        android:layout_height="100dp"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        android:src="@mipmap/ic_launcher"
        />

</android.support.constraint.ConstraintLayout>

menu_text_item

<?xml version="1.0" encoding="utf-8"?>
<TextView
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/text"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:padding="20dp"
    >

</TextView>

text_item

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:padding="10dp"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <TextView
        android:id="@+id/news_title"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintBottom_toTopOf="@id/news_summary"/>
    <TextView
        android:id="@+id/news_summary"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toBottomOf="@id/news_title"
        android:layout_marginTop="30dp"/>
</android.support.constraint.ConstraintLayout>

selector_dot

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:drawable="@drawable/shape_sel_dot" android:state_selected="true"/>
    <item android:drawable="@drawable/shape_normal_dot"/>
</selector>

shape_normal_dot

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="oval"
    >
    <size
        android:width="8dp"
        android:height="8dp"
        />
    <solid android:color="#909090"/>

</shape>

shape_sel_dot

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="oval"
    >
    <size
        android:width="8dp"
        android:height="8dp"
        />
    <solid android:color="#900000"/>

</shape>

App

package com.bawei.shaopenglai;

import android.app.Application;

import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;

public class App extends Application {
    @Override
    public void onCreate() {

        super.onCreate();
        ImageLoader.getInstance().init(
                new ImageLoaderConfiguration.Builder(this)
                        .diskCacheSize(50*1024*1024)
                        .memoryCacheSizePercentage(10)
                        .defaultDisplayImageOptions(
                                new DisplayImageOptions.Builder()
                                        .cacheInMemory(true)
                                        .cacheOnDisk(true)
                                        .showImageOnLoading(R.mipmap.ic_launcher)
                                        .showImageOnFail(R.mipmap.ic_launcher)
                                        .showImageForEmptyUri(R.mipmap.ic_launcher)
                                        .build()
                        )
                        .build()
        );
    }
}

BannerBean

package com.bawei.shaopenglai;

import java.util.List;

public class BannerBean {
    private int code;
    private String msg;
    private List<Banner> newslist;
    private final int SUCCESS_CODE = 200;

    public boolean isSuccess(){
        return code==SUCCESS_CODE;
    }

    public int getCode() {
        return code;
    }

    public String getMsg() {
        return msg;
    }

    public List<Banner> getNewslist() {
        return newslist;
    }

    public class Banner{
        private String title;
        private String picUrl;

        public String getTitle() {
            return title;
        }

        public String getPicUrl() {
            return picUrl;
        }
    }
}

BaseFragment

package com.bawei.shaopenglai;

import android.os.Bundle;
import android.support.annotation.NonNull;
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.TextView;

public class BaseFragment extends Fragment {
    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        TextView textView=new TextView(getActivity());
        textView.setText("页面");
        return textView;
    }
}

FaxianFragment

package com.bawei.shaopenglai;

import android.os.Bundle;
import android.support.annotation.NonNull;
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.TextView;

public class FaxianFragment extends Fragment {
    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        TextView textView=new TextView(getActivity());
        textView.setText(getClass().getSimpleName());
        return textView;
    }
}

Fragment_wenzhang

package com.bawei.shaopenglai;

import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.design.widget.TabLayout;
import android.support.v4.app.Fragment;
import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

public class Fragment_wenzhang extends Fragment {

    private TabLayout tabLayout;
    private ViewPager contents;

    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        return inflater.inflate(R.layout.fragment_home,container,false);
    }

    @Override
    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        tabLayout=view.findViewById(R.id.top_indicator);
        contents=view.findViewById(R.id.contents);
        contents.setAdapter(new HomePageAdapter(getChildFragmentManager()));
    }
}

HomeFragment

package com.bawei.shaopenglai;

        import android.os.Bundle;
        import android.support.annotation.NonNull;
        import android.support.annotation.Nullable;
        import android.support.design.widget.TabLayout;
        import android.support.v4.app.Fragment;
        import android.support.v4.view.ViewPager;
        import android.view.LayoutInflater;
        import android.view.View;
        import android.view.ViewGroup;

public class HomeFragment extends Fragment {

    private TabLayout tabLayout;
    private ViewPager contents;

    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        return inflater.inflate(R.layout.fragment_home,container,false);
    }

    @Override
    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        tabLayout=view.findViewById(R.id.top_indicator);
        contents=view.findViewById(R.id.contents);
        //Fragment嵌套Fragment 使用getChildFragmentManager
        contents.setAdapter(new HomePageAdapter(getChildFragmentManager()));
        tabLayout.setupWithViewPager(contents);
    }
}

HomePageAdapter

package com.bawei.shaopenglai;

import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;

public class HomePageAdapter extends FragmentPagerAdapter {

    private String[] pageNames=new String[]{"推荐", "热门", "科技", "创投", "数码", "设计", "技术", "营销"};
    public HomePageAdapter(FragmentManager fm) {
        super(fm);
    }

    @Override
    public Fragment getItem(int i) {
        switch (i){
            case 0:
                return new RecommendFragment();

                default:
                    return new BaseFragment();
        }
    }

    @Nullable
    @Override
    public CharSequence getPageTitle(int position) {
        return pageNames[position];
    }

    @Override
    public int getCount() {
        return pageNames.length;
    }
}

LeftFragment

package com.bawei.shaopenglai;

import android.os.Bundle;
import android.support.annotation.NonNull;
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.AdapterView;
import android.widget.ListView;

public class LeftFragment extends Fragment {
    private ListView menus;
    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        return inflater.inflate(R.layout.fragment_left_drawer,container,false);
    }

    @Override
    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        menus=view.findViewById(R.id.menus);
        menus.setAdapter(new LeftMenuAdapter(getActivity()));
        menus.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                if (position==0){
                    return;
                }
                ((MainActivity)getActivity()).showPage(position-1);
            }
        });
    }
}

LeftMenuAdapter

package com.bawei.shaopenglai;

import android.content.Context;
import android.support.v4.app.FragmentActivity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

public class LeftMenuAdapter extends BaseAdapter {

    private String[] menus = new String[]{"文章","站点","主题","发现","我的"};

    private Context mContext;

    public LeftMenuAdapter(Context mContext) {
        this.mContext=mContext;
    }

    @Override
    public int getCount() {
        return menus.length+1;
    }
    private final int ITEM_COUTN = 2;
    private final int IMAGE_TYPE = 0;
    private final int TEXT_TYPE = 1;

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

    @Override
    public int getItemViewType(int position) {
        return position==0?IMAGE_TYPE:TEXT_TYPE;
    }

    @Override
    public String getItem(int position) {

        if (position==0){
            return null;
        }
        return menus[position-1];
    }

    @Override
    public long getItemId(int position) {
        return position;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        ViewHolder viewHolder=null;
        if (convertView==null){
            convertView=LayoutInflater.from(mContext).inflate(
                    getItemViewType(position)==IMAGE_TYPE ?R.layout.menu_image_item:R.layout.menu_text_item,parent,false);
            viewHolder=new ViewHolder(convertView);
        }else {
            viewHolder= (ViewHolder) convertView.getTag();
        }
        if (getItemViewType(position)==TEXT_TYPE){
            viewHolder.bindData(getItem(position));
        }
        return convertView;
    }
    class ViewHolder{

        ImageView imageView;
        TextView textView;

        public ViewHolder(View itemView) {
            imageView=itemView.findViewById(R.id.icon);
            textView=itemView.findViewById(R.id.text);
            itemView.setTag(this);
        }

        public void bindData(String text) {
            textView.setText(text);
        }
    }
}

MainActivity

package com.bawei.shaopenglai;

import android.app.ActionBar;
import android.support.design.widget.TabLayout;
import android.support.v4.view.ViewPager;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Gravity;
import android.view.MenuItem;

public class MainActivity extends AppCompatActivity {

    private DrawerLayout drawerLayout;
    private ActionBarDrawerToggle toggle;
    private ViewPager contents;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        if (savedInstanceState==null){
            getSupportFragmentManager().beginTransaction()
                    .add(R.id.left_drawer,new LeftFragment())
                    .commit();
        }
        initView();
        initData();
    }

    private void initData() {
    }

    private void initView() {

        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        drawerLayout=findViewById(R.id.drawer);
        toggle=new ActionBarDrawerToggle(this,drawerLayout,R.string.open_drawer,R.string.close_drawer);
        drawerLayout.addDrawerListener(toggle);
        toggle.syncState();

        contents=findViewById(R.id.contents);
        contents.setAdapter(new MainPageAdapter(getSupportFragmentManager()));
        TabLayout tabLayout=findViewById(R.id.bottom_indicator);
        tabLayout.setupWithViewPager(contents);
    }

    public void showPage(int position) {
        contents.setCurrentItem(position);
        drawerLayout.closeDrawer(Gravity.START);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if (toggle.onOptionsItemSelected(item)){
            return true;
        }
        return super.onOptionsItemSelected(item);
    }
}

MainPageAdaper

package com.bawei.shaopenglai;

import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;

class MainPageAdaper extends FragmentPagerAdapter {

    private String[] menus=new String[]{"文章，站点，主题，发现，我的"};

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

    @Override
    public Fragment getItem(int i) {

        switch (i){
            case 0:
                return new HomeFragment();
            case 1:
                return new zhandianFragment();
            case 2:
                return new MineFragment();
            case 3:
                return new FaxianFragment();
            case 4:
                return new ZtFragment();
                default:
                    return new Fragment();
        }
    }

    @Nullable
    @Override
    public CharSequence getPageTitle(int position) {
        return menus[position];
    }

    @Override
    public int getCount() {
        return menus.length;
    }
}

MainPageAdapter

package com.bawei.shaopenglai;

import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;

public class MainPageAdapter extends FragmentPagerAdapter {

    private String[] menus=new String[]{"文章","站点","主题","发现","我的"};
    public MainPageAdapter(FragmentManager fm) {
        super(fm);
    }

    @Override
    public Fragment getItem(int i) {
        switch (i){
            case 0:
                return new HomeFragment();
            case 1:
                return new zhandianFragment();
            case 2:
                return new MineFragment();
            case 3:
                return new FaxianFragment();
            case 4:
                return new ZtFragment();
            default:
                return new Fragment();
        }

    }

    @Nullable
    @Override
    public CharSequence getPageTitle(int position) {
        return menus[position];
    }

    @Override
    public int getCount() {
        return menus.length;
    }
}

MineFragment

package com.bawei.shaopenglai;

import android.os.Bundle;
import android.support.annotation.NonNull;
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.TextView;

public class MineFragment extends Fragment {
    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        TextView textView = new TextView(getActivity());

        textView.setText(getClass().getSimpleName());

        return textView;
    }
}

MySqliterHelper

package com.bawei.shaopenglai;

import android.content.Context;
import android.database.DatabaseErrorHandler;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.support.annotation.Nullable;

public class MySqliterHelper extends SQLiteOpenHelper {
    public MySqliterHelper(@Nullable Context context) {
        super(context, "App.db", null, 1);
    }

    @Override
    public void onCreate(SQLiteDatabase db) {
        db.execSQL("create table news(id integer primary key autoincrement," +
                "news_id text," +
                "news_title text," +
                "news_summary text," +
                "pic_url text)");
    }

    @Override
    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {

    }
}

NetUtils

package com.bawei.shaopenglai;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.AsyncTask;

import com.google.gson.Gson;

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.URL;
import java.net.URLConnection;

public class NetUtils {
    private static NetUtils instences;
    private Gson gson;
    public NetUtils(){
        gson=new Gson();
    }
    public static NetUtils getInstences(){
        if (instences==null){
            instences=new NetUtils();
        }
        return instences;
    }
    public interface CallBack<T>{
        void onSuccess(T t);
    }
    public void getResult(String urlStr,final Class clazz,final CallBack callBack){
        new AsyncTask<String, Void, Object>() {
            @Override
            protected Object doInBackground(String... strings) {
                return getResult(strings[0],clazz);
            }

            @Override
            protected void onPostExecute(Object o) {
                callBack.onSuccess(o);
            }
        }.execute(urlStr);
    }

    public  <T> T getResult(String urlStr, Class clazz) {

        return (T) gson.fromJson(getResult(urlStr),clazz);
    }
    public String getResult(String urlStr){
        String result="";

        try {
            URL url=new URL(urlStr);
            HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
            urlConnection.setRequestMethod("GET");
            urlConnection.setReadTimeout(5000);
            urlConnection.setConnectTimeout(5000);
            int responseCode = urlConnection.getResponseCode();
            if (responseCode==200){
                result=stream2String(urlConnection.getInputStream());
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return result;
    }

    private String stream2String(InputStream inputStream) throws IOException {
        StringBuilder stringBuilder = new StringBuilder();
        BufferedReader br=new BufferedReader(new InputStreamReader(inputStream));
        for (String tmp=br.readLine();tmp!=null;tmp=br.readLine()){
            stringBuilder.append(tmp);
        }
        return stringBuilder.toString();
    }
    public boolean isNetWork(Context context){
        ConnectivityManager connectivityManager= (ConnectivityManager) context.getSystemService(context.CONNECTIVITY_SERVICE);
        NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo();
        return activeNetworkInfo!=null&&activeNetworkInfo.isAvailable();
    }


}

NewsDao

package com.bawei.shaopenglai;

import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;

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

public class NewsDao {
    private static NewsDao instance;
    private final MySqliterHelper helper;
    private final SQLiteDatabase sb;

    public NewsDao(Context context) {
        helper=new MySqliterHelper(context);
        sb=helper.getWritableDatabase();
    }
    public static NewsDao getInstance(Context context){
        if (instance==null){
            instance=new NewsDao(context);
        }
        return instance;
    }
    public void add(UserBean.DataBean bean){
        ContentValues values=new ContentValues();
        values.put("news_id",bean.getNews_id());
        values.put("news_title",bean.getNews_title());
        values.put("news_summary",bean.getNews_summary());
        values.put("pic_url",bean.getPic_url());
        sb.insert("news",null,values);
    }
    public void addAll(List<UserBean.DataBean> datas){
        try {
            sb.beginTransaction();
            for (UserBean.DataBean bean:datas){
                add(bean);
            }
            sb.setTransactionSuccessful();
        }finally {
            sb.endTransaction();
        }
    }
    public List<UserBean.DataBean> select(){
        List<UserBean.DataBean> list=new ArrayList<>();

        Cursor cursor = sb.query("news", null, null, null, null, null, null);
        while(cursor.moveToNext()){
            String news_id = cursor.getString(cursor.getColumnIndex("news_id"));
            String news_title = cursor.getString(cursor.getColumnIndex("news_title"));
            String news_summary = cursor.getString(cursor.getColumnIndex("news_summary"));
            String pic_url = cursor.getString(cursor.getColumnIndex("pic_url"));
            UserBean.DataBean bean=new UserBean.DataBean(news_id,news_title,news_summary,pic_url);
            list.add(bean);
        }
        return list;
    }
}

RecommendBaseAdapter

package com.bawei.shaopenglai;

import android.content.Context;
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.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;

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

public class RecommendBaseAdapter extends BaseAdapter {
    private static final int ITEM_COUNT = 2;
    private static final int TEAT_ITEM = 0;
    private static final int DATA_ITEM = 1;
    private Context context;
    private List<UserBean.DataBean> list;
    public RecommendBaseAdapter(Context context){
        this.context=context;
        list=new ArrayList<>();
    }

    public void setdata(List<UserBean.DataBean> data) {
        list.clear();
        if (data!=null){
            list.addAll(data);
        }
        notifyDataSetChanged();
    }
    public void adddata(List<UserBean.DataBean> data){
        if (data!=null){
            list.addAll(data);
        }
        notifyDataSetChanged();
    }

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

    @Override
    public int getItemViewType(int position) {
        return position%2==0?TEAT_ITEM:DATA_ITEM;
    }
    @Override
    public int getCount() {
        return list.size();
    }

    @Override
    public UserBean.DataBean getItem(int position) {
        return list.get(position);
    }

    @Override
    public long getItemId(int position) {
        return position;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        ViewHolder holder;
        if (convertView==null){
            convertView=LayoutInflater.from(context).inflate(
                    getItemViewType(position)==TEAT_ITEM?R.layout.text_item:R.layout.image_item,parent,false
            );
            holder=new ViewHolder(convertView);
        }else {
            holder= (ViewHolder) convertView.getTag();
        }
        holder.bindData(getItem(position));
        return convertView;
    }
    class ViewHolder {
        TextView news_title;
        TextView news_summary;
        ImageView imageView;

        public ViewHolder(View convertView) {
            news_title = convertView.findViewById(R.id.news_title);
            news_summary = convertView.findViewById(R.id.news_summary);
            imageView = convertView.findViewById(R.id.image);
            convertView.setTag(this);
        }

        public void bindData(UserBean.DataBean item) {
            news_title.setText(item.getNews_title());
            news_summary.setText(item.getNews_summary());
            if (imageView != null) {
                DisplayImageOptions options = new DisplayImageOptions.Builder()
                        .cacheOnDisk(true)
                        .cacheInMemory(true)
                        .showImageForEmptyUri(R.mipmap.ic_launcher)
                        .showImageOnFail(R.mipmap.ic_launcher)
                        .showImageOnLoading(R.mipmap.ic_launcher)
                        .build();
                ImageLoader.getInstance().displayImage(item.getPic_url(), imageView, options);
            }
        }
    }
}

RecommendFragment

package com.bawei.shaopenglai;

import android.content.Context;
import android.os.Bundle;
import android.support.annotation.NonNull;
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.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

import com.handmark.pulltorefresh.library.PullToRefreshBase;
import com.handmark.pulltorefresh.library.PullToRefreshListView;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.youth.banner.Banner;
import com.youth.banner.BannerConfig;
import com.youth.banner.loader.ImageLoaderInterface;

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

public class RecommendFragment extends Fragment {


    private Banner banner;
    private PullToRefreshListView pullToRefreshListView;
    private RecommendBaseAdapter adapter;
    private String url="http://api.expoon.com/AppNews/getNewsList/type/1/p/%d";
    private int mPage;
    private final int LOAD_COUNT=10;


    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        return inflater.inflate(R.layout.fragment_recommend,container,false);
    }

    @Override
    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        banner=view.findViewById(R.id.banner);
        pullToRefreshListView=view.findViewById(R.id.xListView);
        adapter=new RecommendBaseAdapter(getActivity());
        pullToRefreshListView.setAdapter(adapter);
        pullToRefreshListView.setMode(PullToRefreshBase.Mode.BOTH);
        pullToRefreshListView.setOnRefreshListener(new PullToRefreshBase.OnRefreshListener2<ListView>() {
            @Override
            public void onPullDownToRefresh(PullToRefreshBase<ListView> refreshView) {
                mPage=1;
                initData();
            }

            @Override
            public void onPullUpToRefresh(PullToRefreshBase<ListView> refreshView) {
                initData();
            }
        });
        banner.setBannerStyle(BannerConfig.CIRCLE_INDICATOR_TITLE_INSIDE);

        banner.setImageLoader(new ImageLoaderInterface() {
            @Override
            public void displayImage(Context context, Object path, View imageView) {
                BannerBean.Banner banner= (BannerBean.Banner) path;
                com.nostra13.universalimageloader.core.ImageLoader.getInstance()
                        .displayImage(banner.getPicUrl(), (ImageView) imageView);
            }

            @Override
            public View createImageView(Context context) {
                ImageView imageView=new ImageView(getActivity());
                imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
                return null;
            }
        });
        initData();
        loadData();
    }

    private void initData() {
        NetUtils.getInstences().getResult(String.format(url, LOAD_COUNT, mPage), UserBean.class, new NetUtils.CallBack<UserBean>() {
            @Override
            public void onSuccess(UserBean o) {
                if (o==null||!o.isSuccess()){
                    Toast.makeText(getActivity(),"请求失败",Toast.LENGTH_LONG).show();
                    pullToRefreshListView.onRefreshComplete();
                    return;
                }
                if (mPage==1){
                    NewsDao.getInstance(getActivity()).addAll(o.getData());
                }
                if (mPage==1){
                    adapter.setdata(NewsDao.getInstance(getActivity()).select());
                }else {
                    adapter.adddata(NewsDao.getInstance(getActivity()).select());
                }
                mPage++;
                pullToRefreshListView.onRefreshComplete();
                if (o.getData().size()<LOAD_COUNT){
                    pullToRefreshListView.setMode(PullToRefreshBase.Mode.PULL_FROM_START);
                }else {
                    pullToRefreshListView.setMode(PullToRefreshBase.Mode.BOTH);
                }
            }
        });


    }

    private void loadData() {
        NetUtils.getInstences().getResult("https://api.tianapi.com/wxnew/?key=c4aa776e0a51d57d6750511e2baa46b6&num=6&page=1",
                BannerBean.class, new NetUtils.CallBack<BannerBean>() {
                    @Override
                    public void onSuccess(BannerBean o) {
                        banner.setImages(o.getNewslist());
                        banner.setBannerTitles(getTitles(o));
                        banner.start();
                    }

                });
    }

    private List<String> getTitles(BannerBean o) {
        List<String> result=new ArrayList<>();
        for (BannerBean.Banner banner:o.getNewslist()){
            result.add(banner.getTitle());
        }
        return result;
    }

}

UserBean

package com.bawei.shaopenglai;

import java.util.List;

public class UserBean {
    private int status;
    private String info;
    private List<DataBean> data;

    private final int SUCCESS_CODE = 1;

    public boolean isSuccess(){
        return status==SUCCESS_CODE;
    }
    public int getStatus() {
        return status;
    }

    public void setStatus(int status) {
        this.status = status;
    }

    public String getInfo() {
        return info;
    }

    public void setInfo(String info) {
        this.info = info;
    }

    public List<DataBean> getData() {
        return data;
    }

    public void setData(List<DataBean> data) {
        this.data = data;
    }

    public static class DataBean {

        private String news_id;
        private String news_title;
        private String news_summary;
        private String pic_url;

        public String getNews_id() {
            return news_id;
        }

        public void setNews_id(String news_id) {
            this.news_id = news_id;
        }

        public String getNews_title() {
            return news_title;
        }

        public void setNews_title(String news_title) {
            this.news_title = news_title;
        }

        public String getNews_summary() {
            return news_summary;
        }

        public void setNews_summary(String news_summary) {
            this.news_summary = news_summary;
        }

        public String getPic_url() {
            return pic_url;
        }

        public void setPic_url(String pic_url) {
            this.pic_url = pic_url;
        }

        public DataBean(String news_id, String news_title, String news_summary, String pic_url) {
            this.news_id = news_id;
            this.news_title = news_title;
            this.news_summary = news_summary;
            this.pic_url = pic_url;
        }
    }
}

zhandianFragment

package com.bawei.shaopenglai;

import android.os.Bundle;
import android.support.annotation.NonNull;
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.TextView;
import android.widget.Toast;

import java.util.List;

public class zhandianFragment extends Fragment {

    private TextView video_text;

    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        return inflater.inflate(R.layout.fragment_video,container,false);
    }

    @Override
    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        video_text=view.findViewById(R.id.video_text);


    }
}

ZtFragment

package com.bawei.shaopenglai;

import android.os.Bundle;
import android.support.annotation.NonNull;
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.TextView;

public class ZtFragment extends Fragment {

    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        TextView textView=new TextView(getActivity());
        textView.setText(getClass().getSimpleName());
        return textView;
    }
}

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