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<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>

<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

<application
android:name=".appliction"
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"





public
class MainActivity extends AppCompatActivity implements XListView.IXListViewListener{ private List<String > imagelist=new ArrayList<>(); private ViewPager pager; private Handler handler=new Handler(){ @Override public void handleMessage(Message msg) { int what=msg.what; pager.setCurrentItem(what); } }; private RadioGroup rg; private int con=0; private TextView night; private XListView xlv; private int page=1; private boolean flag; private List<Dao> dblist=new ArrayList<>(); private MyBaseadapter adapter; private List<Bean.ListBean> list; private SQLiteDatabase db; private DbBaseadapter ada; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); //实例化数据库 Helper helper = new Helper(MainActivity.this); db = helper.getWritableDatabase(); //7 点击右上角的地图按钮,实现日夜间模式切换(10分) night = (TextView) findViewById(R.id.night); night.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { yejian(); } }); // 实现图片无限轮播,并添加图片轮播指示器(各5分,10分) pager = (ViewPager) findViewById(R.id.pager); rg = (RadioGroup) findViewById(R.id.rg); imagelist.add("https://img10.360buyimg.com/da/jfs/t4747/277/1368712300/170619/35098d7f/58f038e0N9b3a0ca5.jpg"); imagelist.add("https://img14.360buyimg.com/da/jfs/t4915/21/1427207714/81116/b005bb06/58f08963Ndb295b3c.jpg"); imagelist.add("https://img13.360buyimg.com/da/jfs/t4651/104/2867456043/68336/99da4c16/58f41eaeN5b614a63.jpg"); pager.setAdapter(new My()); jian(); new Thread() { @Override public void run() { while (true) { try { Thread.sleep(1000); con++; handler.sendEmptyMessage(con); } catch (Exception e) { e.printStackTrace(); } } } }.start(); xlv = (XListView) findViewById(R.id.xlv); xlv.setPullLoadEnable(true); xlv.setXListViewListener(this); //判断是否有网 ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo netInfo = cm.getActiveNetworkInfo(); if (netInfo != null && netInfo.isConnectedOrConnecting()) { Toast.makeText(MainActivity.this,"有网", Toast.LENGTH_SHORT).show(); data(); }else { Toast.makeText(MainActivity.this,"没网", Toast.LENGTH_SHORT).show(); quary(); if (ada ==null) { ada = new DbBaseadapter(MainActivity.this, dblist); xlv.setAdapter(ada); }else{ ada.sss(dblist,flag); } } } public void quary(){ Cursor query = db.query("user", null, null, null, null, null, null); while(query.moveToNext()){ Dao d=new Dao(); d.title=query.getString(query.getColumnIndex("title")); d.pic=query.getString(query.getColumnIndex("pic")); d.type=query.getInt(query.getColumnIndex("type")); dblist.add(d); } } //1 发起网络请求获取数据并显示(网络请求5分,数据显示5分,共10分) public void data(){ jiexi("http://qhb.2dyt.com/Bwei/news?postkey=9rff1d1AK&type=5"); } public void jiexi(String path) { new AsyncTask<String, Void, String>() { @Override protected void onPostExecute(String s) { if (s != null) { Gson gson = new Gson(); Bean bean = gson.fromJson(s, Bean.class); list = bean.getList(); if (adapter==null) { adapter = new MyBaseadapter(MainActivity.this, list); xlv.setAdapter(adapter); }else{ adapter.sss(list,flag); } insert(); } } @Override protected String doInBackground(String... params) { try { URL url = new URL(params[0]); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod("GET"); connection.setReadTimeout(3000); connection.setConnectTimeout(3000); int code = connection.getResponseCode(); if (code == 200) { InputStream is = connection.getInputStream(); return info.readFromNetWork(is); } } catch (Exception e) { e.printStackTrace(); } return null; } }.execute(path); } public void insert(){ for (int i=0;i<list.size();i++){ ContentValues values=new ContentValues(); values.put("title",list.get(i).getTitle()); values.put("pic",list.get(i).getPic()); values.put("type",list.get(i).getType()); db.insert("user",null,values); } } @Override public void onRefresh() { flag=false; ++page; data(); xlv.stopRefresh(true); } @Override public void onLoadMore() { flag=true; ++page; data(); xlv.stopLoadMore(); } //轮播适配器 class My extends PagerAdapter { @Override public int getCount() { return Integer.MAX_VALUE; } @Override public boolean isViewFromObject(View view, Object object) { return view==object; } @Override public Object instantiateItem(ViewGroup container, int position) { ImageView imageView=new ImageView(MainActivity.this); ImageLoader.getInstance().displayImage(imagelist.get(position%imagelist.size()),imageView,appliction.getImageOptions()); container.addView(imageView); return imageView; } @Override public void destroyItem(ViewGroup container, int position, Object object) { container.removeView((View) object); } } //pager和radiogroup结合使点和图片一起联动 public void jian(){ pager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() { @Override public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { } @Override public void onPageSelected(int position) { switch (position%imagelist.size()){ case 0: rg.check(R.id.rb1); break; case 1: rg.check(R.id.rb2); break; case 2: rg.check(R.id.rb3); break; } } @Override public void onPageScrollStateChanged(int state) { } }); rg.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() { @Override public void onCheckedChanged(RadioGroup group, @IdRes int checkedId) { switch (checkedId%imagelist.size()){ case R.id.rb1: pager.setCurrentItem(0); break; case R.id.rb2: pager.setCurrentItem(1); break; case R.id.rb3: pager.setCurrentItem(2); break; } } }); } //夜间模式 public void yejian(){ int mode = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK; if(mode == Configuration.UI_MODE_NIGHT_YES) { AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_NO); } else if(mode == Configuration.UI_MODE_NIGHT_NO) { AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_YES); } else { // blah blah } recreate(); }
public class MyBaseadapter extends BaseAdapter {
    private List<Bean.ListBean> list;
    private Context context;
    public MyBaseadapter(Context context, List<Bean.ListBean> list) {
        this.context=context;
        this.list=list;
    }
    public void sss(List<Bean.ListBean> data,boolean flag){
        for (Bean.ListBean s:  data) {
            if (flag){
                list.add(s);
            }else{
                list.add(0,s);
            }
        }
        notifyDataSetChanged();
    }

    @Override
    public int getCount() {
        return list!=null?list.size():0;
    }

    @Override
    public Object getItem(int position) {
        return null;
    }

    @Override
    public long getItemId(int position) {
        return 0;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        ViewHoder hoder=null;
        if (convertView==null){
            hoder=new ViewHoder();
            // 实现listview 多条目加载,总共两种类型(各5分,共10分)
           if(list.get(position).getType()==4){//四中图片的类型
               convertView=View.inflate(context,R.layout.item,null);
               hoder.image1= (ImageView) convertView.findViewById(R.id.image1);
               hoder.image2= (ImageView) convertView.findViewById(R.id.image2);
               hoder.image3= (ImageView) convertView.findViewById(R.id.image3);
               hoder.image4= (ImageView) convertView.findViewById(R.id.image4);
               hoder.title1= (TextView) convertView.findViewById(R.id.title1);
           }else if(list.get(position).getType()==2){//两种图片的类型
               convertView=View.inflate(context,R.layout.item1,null);
               hoder.image5= (ImageView) convertView.findViewById(R.id.image5);
               hoder.image6= (ImageView) convertView.findViewById(R.id.image6);
               hoder.title2= (TextView) convertView.findViewById(R.id.title2);
           }
           convertView.setTag(hoder);
        }else{
            hoder= (ViewHoder) convertView.getTag();
        }
        if(list.get(position).getType()==4){
            String pic = list.get(position).getPic();
            String [] temp = null;
            temp = pic.split("\\|");
            ImageLoader.getInstance().displayImage(temp[0],hoder.image1,appliction.getImageOptions());
            ImageLoader.getInstance().displayImage(temp[1],hoder.image2,appliction.getImageOptions());
            ImageLoader.getInstance().displayImage(temp[2],hoder.image3,appliction.getImageOptions());
            ImageLoader.getInstance().displayImage(temp[3],hoder.image4,appliction.getImageOptions());
            hoder.title1.setText(list.get(position).getTitle());
        }else if(list.get(position).getType()==2) {
            String pic = list.get(position).getPic();
            String[] split=null;
            split = pic.split("\\|");//接口pic是|这个隔开的所以要分割放入一个空的集合
            String str1=split[0];
            String str2=split[1];
            ImageLoader.getInstance().displayImage(str1,hoder.image5,appliction.getImageOptions());
            ImageLoader.getInstance().displayImage(str2,hoder.image6,appliction.getImageOptions());
            hoder.title2.setText(list.get(position).getTitle());
        }

        return convertView;
    }
    class ViewHoder{
        private TextView title1,title2;
        private ImageView image1,image2,image3,image4,image5,image6;
    }
}
public class DbBaseadapter extends BaseAdapter{
    private List<Dao> dblist;
    private Context context;
    public DbBaseadapter(Context context, List<Dao> dblist) {
        this.context=context;
        this.dblist=dblist;
    }
    public void sss(List<Dao> data,boolean flag){
        for ( Dao s:  data) {
            if (flag){
                dblist.add(s);
            }else{
                dblist.add(0,s);
            }
        }
        notifyDataSetChanged();
    }



    @Override
    public int getCount() {
        return dblist!=null?dblist.size():0;
    }

    @Override
    public Object getItem(int position) {
        return null;
    }

    @Override
    public long getItemId(int position) {
        return 0;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        ViewHoder hoder=null;
        if (convertView==null){
            hoder=new ViewHoder();
            // 实现listview 多条目加载,总共两种类型(各5分,共10分)
            if(dblist.get(position).getType()==4){//四中图片的类型
                convertView=View.inflate(context,R.layout.item,null);
                hoder.image1= (ImageView) convertView.findViewById(R.id.image1);
                hoder.image2= (ImageView) convertView.findViewById(R.id.image2);
                hoder.image3= (ImageView) convertView.findViewById(R.id.image3);
                hoder.image4= (ImageView) convertView.findViewById(R.id.image4);
                hoder.title1= (TextView) convertView.findViewById(R.id.title1);
            }else if(dblist.get(position).getType()==2){//两种图片的类型
                convertView=View.inflate(context,R.layout.item1,null);
                hoder.image5= (ImageView) convertView.findViewById(R.id.image5);
                hoder.image6= (ImageView) convertView.findViewById(R.id.image6);
                hoder.title2= (TextView) convertView.findViewById(R.id.title2);
            }
            convertView.setTag(hoder);
        }else{
            hoder= (ViewHoder) convertView.getTag();
        }
        if(dblist.get(position).getType()==4){
            String pic = dblist.get(position).getPic();
            String [] temp = null;
            temp = pic.split("\\|");
            ImageLoader.getInstance().displayImage(temp[0],hoder.image1,appliction.getImageOptions());
            ImageLoader.getInstance().displayImage(temp[1],hoder.image2,appliction.getImageOptions());
            ImageLoader.getInstance().displayImage(temp[2],hoder.image3,appliction.getImageOptions());
            ImageLoader.getInstance().displayImage(temp[3],hoder.image4,appliction.getImageOptions());
            hoder.title1.setText(dblist.get(position).getTitle());
        }else if(dblist.get(position).getType()==2) {
            String pic = dblist.get(position).getPic();
            String[] split=null;
            split = pic.split("\\|");//接口pic是|这个隔开的所以要分割放入一个空的集合
            String str1=split[0];
            String str2=split[1];
            ImageLoader.getInstance().displayImage(str1,hoder.image5,appliction.getImageOptions());
            ImageLoader.getInstance().displayImage(str2,hoder.image6,appliction.getImageOptions());
            hoder.title2.setText(dblist.get(position).getTitle());
        }

        return convertView;
    }
    class ViewHoder{
        private TextView title1,title2;
        private ImageView image1,image2,image3,image4,image5,image6;
    }
}
public class Dao {
    public  String title,pic;
    public int type;

    public void setTitle(String title) {
        this.title = title;
    }

    public String getTitle() {
        return title;
    }

    public void setPic(String pic) {
        this.pic = pic;
    }

    public int getType() {
        return type;
    }

    public void setType(int type) {
        this.type = type;
    }

    public String getPic() {
        return pic;
    }
}
public class Helper extends SQLiteOpenHelper {
    public Helper(Context context) {
        super(context, "user.db", null, 1);
    }

    @Override
    public void onCreate(SQLiteDatabase db) {
          db.execSQL("create table user(_id integer primary key autoincrement,title text,pic text,type integer)");
    }

    @Override
    public void onUpgrade(SQLiteDatabase sqLiteDatabase, int i, int i1) {

    }
}
<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"
    android:orientation="vertical"

    tools:context="com.example.wangshuaibiao201709221507b.MainActivity">

    <LinearLayout
        android:id="@+id/linear"
        android:background="#f00"
        android:layout_width="match_parent"
        android:layout_height="30dp"
        android:orientation="horizontal">
        <TextView
            android:layout_margin="5dp"
            android:layout_gravity="center"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="北京"/>
        <EditText
            android:layout_gravity="center"
            android:background="@color/viewBackground"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_weight="2"
            android:hint="国风悦府"
            android:gravity="center"/>
        <TextView
            android:id="@+id/night"
            android:layout_margin="5dp"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="地图"/>
    </LinearLayout>
    <android.support.v4.view.ViewPager
        android:layout_below="@+id/linear"
        android:layout_width="match_parent"
        android:layout_height="100dp"
        android:id="@+id/pager"></android.support.v4.view.ViewPager>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/ll"
        android:layout_marginTop="80dp"
        android:orientation="vertical">

        <RadioGroup
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:id="@+id/rg"
            android:orientation="horizontal"
            android:gravity="center"
            >
            <RadioButton
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:id="@+id/rb1"
                android:checked="true"/>

            <RadioButton
                android:id="@+id/rb2"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content" />

            <RadioButton
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:id="@+id/rb3"/>
        </RadioGroup>
    </LinearLayout>

    <com.limxing.xlistview.view.XListView
        android:background="@color/viewBackground"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/xlv"
        android:layout_below="@+id/pager"></com.limxing.xlistview.view.XListView>
</RelativeLayout>
    <TextView
        android:id="@+id/title1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="TextView"
        android:layout_margin="8dp"/>
    <LinearLayout

        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">
    <ImageView
        android:layout_margin="5dp"
        android:layout_weight="1"
        android:src="@mipmap/ic_launcher"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/image1"/>
        <ImageView
            android:layout_margin="5dp"
            android:layout_weight="1"
            android:src="@mipmap/ic_launcher"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:id="@+id/image2"/>
        <ImageView
            android:layout_margin="5dp"
            android:layout_weight="1"
            android:src="@mipmap/ic_launcher"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:id="@+id/image3"/>
        <ImageView
            android:layout_margin="5dp"
            android:layout_weight="1"
            android:src="@mipmap/ic_launcher"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:id="@+id/image4"/>
    </LinearLayout>
<TextView
        android:id="@+id/title2"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="TextView"
        android:layout_margin="8dp"/>
    <LinearLayout
        android:layout_margin="5dp"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">
        <ImageView
            android:layout_weight="1"
            android:src="@mipmap/ic_launcher"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:id="@+id/image5"/>
        <ImageView
            android:layout_weight="1"
            android:src="@mipmap/ic_launcher"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:id="@+id/image6"/>

    </LinearLayout>

 

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