<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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="zhanghaijiao.bawei.com.day10_demo3.MainActivity"><!--只能有一个子孩子 --><com.handmark.pulltorefresh.library.PullToRefreshScrollViewandroid:layout_width="match_parent"android:layout_height="match_parent"android:id="@+id/psv"><LinearLayoutandroid:layout_width="match_parent"android:layout_height="match_parent"android:orientation="vertical"><FrameLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"><!--轮播图--><android.support.v4.view.ViewPagerandroid:layout_width="match_parent"android:layout_height="200dp"android:id="@+id/vp"></android.support.v4.view.ViewPager><LinearLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"android:id="@+id/lin_point"android:orientation="horizontal"android:gravity="center"android:layout_gravity="bottom"></LinearLayout></FrameLayout><!--listview--><!--<ListView--><!--android:layout_width="match_parent"--><!--android:layout_height="match_parent"--><!--android:id="@+id/lv"></ListView>--><zhanghaijiao.bawei.com.day10_demo3.MyListViewandroid:layout_width="match_parent"android:layout_height="match_parent"android:id="@+id/lv"></zhanghaijiao.bawei.com.day10_demo3.MyListView></LinearLayout></com.handmark.pulltorefresh.library.PullToRefreshScrollView></LinearLayout>

package zhanghaijiao.bawei.com.day10_demo3;import android.os.AsyncTask;
import android.os.Handler;
import android.os.Message;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.ScrollView;import com.google.gson.Gson;
import com.handmark.pulltorefresh.library.PullToRefreshBase;
import com.handmark.pulltorefresh.library.PullToRefreshScrollView;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;public class MainActivity extends AppCompatActivity {private PullToRefreshScrollView psv;private int pageIndex=1;private int operType=1;//1:刷新 2：加载更多private String myurl="http://365jia.cn/news/api3/365jia/news/headline?page="+pageIndex;private  List<ResultData.DataBeanX.DataBean> datas=new ArrayList<>();private ListViewAdapter adapter;private ListView listView;private ViewPager viewPager;private List<String> imgUrls=new ArrayList<>();private LinearLayout linPoint;private List<ImageView> lists=new ArrayList<>();private Handler mHandler=new Handler(){@Overridepublic void handleMessage(Message msg) {super.handleMessage(msg);int cIndex=viewPager.getCurrentItem();cIndex++;viewPager.setCurrentItem(cIndex);//改变指示器setSelectedPoint(cIndex%lists.size());sendEmptyMessageDelayed(0,1000);}};@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);psv = findViewById(R.id.psv);listView = findViewById(R.id.lv);viewPager = findViewById(R.id.vp);linPoint = findViewById(R.id.lin_point);//初使化 pullToRefreshScrollView
        initPsv();//请求网络数据
        requestNetData();}private void requestNetData() {new MyTask().execute(myurl);}class MyTask extends AsyncTask<String,Void,String> {@Overrideprotected String doInBackground(String... strings) {try {URL url=new URL(strings[0]);HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();urlConnection.setRequestMethod("GET");urlConnection.setReadTimeout(5000);urlConnection.setConnectTimeout(5000);if(urlConnection.getResponseCode()==200){InputStream inputStream = urlConnection.getInputStream();String s = streamToString(inputStream);return s;}} catch (Exception e) {e.printStackTrace();}return null;}@Overrideprotected void onPostExecute(String s) {super.onPostExecute(s);Gson gson=new Gson();ResultData resultData = gson.fromJson(s, ResultData.class);//新请求下来的数据List<ResultData.DataBeanX.DataBean> data = resultData.getData().getData();//展示轮播图
            showPics(data);if(operType==1){datas.clear();//清空
            }datas.addAll(data);setAdapter();//关闭头尾布局
            psv.onRefreshComplete();}}private void showPics(List<ResultData.DataBeanX.DataBean> data) {imgUrls.clear();//为轮播图添加地址imgUrls.add("http://365jia.cn/uploads/"+data.get(0).getPics().get(0));imgUrls.add("http://365jia.cn/uploads/"+data.get(1).getPics().get(0));imgUrls.add("http://365jia.cn/uploads/"+data.get(2).getPics().get(0));MyVpAdapter adapter=new MyVpAdapter(imgUrls,MainActivity.this);viewPager.setAdapter(adapter);//初使化指示器
        initPoint();//发送消息，实现自动轮播mHandler.sendEmptyMessageDelayed(0,1000);}//设置选中的小圆点private  void setSelectedPoint(int pageIndex){for (int i = 0; i <lists.size() ; i++) {if(i==pageIndex){lists.get(i).setImageResource(R.drawable.point_selected);}else {lists.get(i).setImageResource(R.drawable.point_unselected);}}}private void initPoint() {for (int i = 0; i <imgUrls.size() ; i++) {ImageView imageView=new ImageView(this);//设置它的布局参数LinearLayout.LayoutParams params=new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,LinearLayout.LayoutParams.WRAP_CONTENT);params.setMargins(0,0,10,0);//设置右边的间隔if(i==0){imageView.setImageResource(R.drawable.point_selected);//选中的小圆点}else{imageView.setImageResource(R.drawable.point_unselected);}linPoint.addView(imageView,params);lists.add(imageView);}}public void setAdapter(){if (adapter == null) {adapter = new ListViewAdapter(datas,MainActivity.this);listView.setAdapter(adapter);}else {adapter.notifyDataSetChanged();}}/*** 将流转换成String* @param stream*/private String streamToString(InputStream stream) {StringBuilder sbuilder=new StringBuilder();String str;BufferedReader reader=new BufferedReader(new InputStreamReader(stream));try {while ((str=reader.readLine())!=null){sbuilder.append(str);}} catch (Exception e) {e.printStackTrace();}return  sbuilder.toString();}private void initPsv() {//1.设置模式
        psv.setMode(PullToRefreshBase.Mode.BOTH);//2.设置监听psv.setOnRefreshListener(new PullToRefreshBase.OnRefreshListener2<ScrollView>() {@Overridepublic void onPullDownToRefresh(PullToRefreshBase<ScrollView> pullToRefreshBase) {//刷新回调operType=1;pageIndex=1;myurl="http://365jia.cn/news/api3/365jia/news/headline?page="+pageIndex;requestNetData();}@Overridepublic void onPullUpToRefresh(PullToRefreshBase<ScrollView> pullToRefreshBase) {//加载回调operType=2;pageIndex++;myurl="http://365jia.cn/news/api3/365jia/news/headline?page="+pageIndex;requestNetData();}});}
}

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getType_sign() {return type_sign;}public void setType_sign(String type_sign) {this.type_sign = type_sign;}}}public static class DataBean {/*** id : 3524385* title : 合肥城市总体规划编制大调研工作启动 今年12月完成总规纲要初步成果* link : lsapp://cn.ahurls.news/news?id=3524385* pics : ["appletrecommend/201804/5ade91c99a715.jpg"]* t : url* type : normal* alias : headline* pic_amount : 0* style : single_right* comment_amount : 0* source :* type_sign :* inner_news : 1* views : 394* comment_amount_label : 0* views_label : 394* pics_new : ["special/tuku/201804/5add9971130ea73397.jpg"]*/private int id;private String title;private String link;private String t;private String type;private String alias;private int pic_amount;private String style;private int comment_amount;private String source;private String type_sign;private int inner_news;private int views;private String comment_amount_label;private String views_label;private List<String> pics;private List<String> pics_new;public int getId() {return id;}public void setId(int id) {this.id = id;}public String getTitle() {return title;}public void setTitle(String title) {this.title = title;}public String getLink() {return link;}public void setLink(String link) {this.link = link;}public String getT() {return t;}public void setT(String t) {this.t = t;}public String getType() {return type;}public void setType(String type) {this.type = type;}public String getAlias() {return alias;}public void setAlias(String alias) {this.alias = alias;}public int getPic_amount() {return pic_amount;}public void setPic_amount(int pic_amount) {this.pic_amount = pic_amount;}public String getStyle() {return style;}public void setStyle(String style) {this.style = style;}public int getComment_amount() {return comment_amount;}public void setComment_amount(int comment_amount) {this.comment_amount = comment_amount;}public String getSource() {return source;}public void setSource(String source) {this.source = source;}public String getType_sign() {return type_sign;}public void setType_sign(String type_sign) {this.type_sign = type_sign;}public int getInner_news() {return inner_news;}public void setInner_news(int inner_news) {this.inner_news = inner_news;}public int getViews() {return views;}public void setViews(int views) {this.views = views;}public String getComment_amount_label() {return comment_amount_label;}public void setComment_amount_label(String comment_amount_label) {this.comment_amount_label = comment_amount_label;}public String getViews_label() {return views_label;}public void setViews_label(String views_label) {this.views_label = views_label;}public List<String> getPics() {return pics;}public void setPics(List<String> pics) {this.pics = pics;}public List<String> getPics_new() {return pics_new;}public void setPics_new(List<String> pics_new) {this.pics_new = pics_new;}}}

package zhanghaijiao.bawei.com.day10_demo3;import android.os.AsyncTask;
import android.os.Handler;
import android.os.Message;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.ScrollView;import com.google.gson.Gson;
import com.handmark.pulltorefresh.library.PullToRefreshBase;
import com.handmark.pulltorefresh.library.PullToRefreshScrollView;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;public class MainActivity extends AppCompatActivity {private PullToRefreshScrollView psv;private int pageIndex=1;private int operType=1;//1:刷新 2：加载更多private String myurl="http://365jia.cn/news/api3/365jia/news/headline?page="+pageIndex;private  List<ResultData.DataBeanX.DataBean> datas=new ArrayList<>();private ListViewAdapter adapter;private ListView listView;private ViewPager viewPager;private List<String> imgUrls=new ArrayList<>();private LinearLayout linPoint;private List<ImageView> lists=new ArrayList<>();private Handler mHandler=new Handler(){@Overridepublic void handleMessage(Message msg) {super.handleMessage(msg);int cIndex=viewPager.getCurrentItem();cIndex++;viewPager.setCurrentItem(cIndex);//改变指示器setSelectedPoint(cIndex%lists.size());sendEmptyMessageDelayed(0,1000);}};@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);psv = findViewById(R.id.psv);listView = findViewById(R.id.lv);viewPager = findViewById(R.id.vp);linPoint = findViewById(R.id.lin_point);//初使化 pullToRefreshScrollView
        initPsv();//请求网络数据
        requestNetData();}private void requestNetData() {new MyTask().execute(myurl);}class MyTask extends AsyncTask<String,Void,String> {@Overrideprotected String doInBackground(String... strings) {try {URL url=new URL(strings[0]);HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();urlConnection.setRequestMethod("GET");urlConnection.setReadTimeout(5000);urlConnection.setConnectTimeout(5000);if(urlConnection.getResponseCode()==200){InputStream inputStream = urlConnection.getInputStream();String s = streamToString(inputStream);return s;}} catch (Exception e) {e.printStackTrace();}return null;}@Overrideprotected void onPostExecute(String s) {super.onPostExecute(s);Gson gson=new Gson();ResultData resultData = gson.fromJson(s, ResultData.class);//新请求下来的数据List<ResultData.DataBeanX.DataBean> data = resultData.getData().getData();//展示轮播图
            showPics(data);if(operType==1){datas.clear();//清空
            }datas.addAll(data);setAdapter();//关闭头尾布局
            psv.onRefreshComplete();}}private void showPics(List<ResultData.DataBeanX.DataBean> data) {imgUrls.clear();//为轮播图添加地址imgUrls.add("http://365jia.cn/uploads/"+data.get(0).getPics().get(0));imgUrls.add("http://365jia.cn/uploads/"+data.get(1).getPics().get(0));imgUrls.add("http://365jia.cn/uploads/"+data.get(2).getPics().get(0));MyVpAdapter adapter=new MyVpAdapter(imgUrls,MainActivity.this);viewPager.setAdapter(adapter);//初使化指示器
        initPoint();//发送消息，实现自动轮播mHandler.sendEmptyMessageDelayed(0,1000);}//设置选中的小圆点private  void setSelectedPoint(int pageIndex){for (int i = 0; i <lists.size() ; i++) {if(i==pageIndex){lists.get(i).setImageResource(R.drawable.point_selected);}else {lists.get(i).setImageResource(R.drawable.point_unselected);}}}private void initPoint() {for (int i = 0; i <imgUrls.size() ; i++) {ImageView imageView=new ImageView(this);//设置它的布局参数LinearLayout.LayoutParams params=new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,LinearLayout.LayoutParams.WRAP_CONTENT);params.setMargins(0,0,10,0);//设置右边的间隔if(i==0){imageView.setImageResource(R.drawable.point_selected);//选中的小圆点}else{imageView.setImageResource(R.drawable.point_unselected);}linPoint.addView(imageView,params);lists.add(imageView);}}public void setAdapter(){if (adapter == null) {adapter = new ListViewAdapter(datas,MainActivity.this);listView.setAdapter(adapter);}else {adapter.notifyDataSetChanged();}}/*** 将流转换成String* @param stream*/private String streamToString(InputStream stream) {StringBuilder sbuilder=new StringBuilder();String str;BufferedReader reader=new BufferedReader(new InputStreamReader(stream));try {while ((str=reader.readLine())!=null){sbuilder.append(str);}} catch (Exception e) {e.printStackTrace();}return  sbuilder.toString();}private void initPsv() {//1.设置模式
        psv.setMode(PullToRefreshBase.Mode.BOTH);//2.设置监听psv.setOnRefreshListener(new PullToRefreshBase.OnRefreshListener2<ScrollView>() {@Overridepublic void onPullDownToRefresh(PullToRefreshBase<ScrollView> pullToRefreshBase) {//刷新回调operType=1;pageIndex=1;myurl="http://365jia.cn/news/api3/365jia/news/headline?page="+pageIndex;requestNetData();}@Overridepublic void onPullUpToRefresh(PullToRefreshBase<ScrollView> pullToRefreshBase) {//加载回调operType=2;pageIndex++;myurl="http://365jia.cn/news/api3/365jia/news/headline?page="+pageIndex;requestNetData();}});}
}

package zhanghaijiao.bawei.com.day10_demo3;import android.content.Context;
import android.util.AttributeSet;
import android.widget.ListView;/*** Created by jane on 2018/4/24.*/public class MyListView extends ListView {public MyListView(Context context) {super(context);}public MyListView(Context context, AttributeSet attrs) {super(context, attrs);}//测量
    @Overrideprotected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {//重新计算高度int newHeight=MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE>>2,MeasureSpec.AT_MOST);super.onMeasure(widthMeasureSpec, newHeight);}
}

package zhanghaijiao.bawei.com.day10_demo3;import android.content.Context;
import android.graphics.Bitmap;
import android.support.v4.view.PagerAdapter;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.assist.ImageScaleType;import java.util.List;/*** Created by jane on 2018/4/24.*/public class MyVpAdapter extends PagerAdapter {//数据源private List<String> urls;//上下文对象private Context context;private DisplayImageOptions options;public MyVpAdapter(List<String> urls, Context context) {this.urls = urls;this.context = context;this.options=new DisplayImageOptions.Builder().cacheInMemory(true)//使用内存缓存.cacheOnDisk(true)//使用磁盘缓存.showImageOnLoading(R.mipmap.ic_launcher)//设置正在下载的图片.showImageForEmptyUri(R.mipmap.ic_launcher)//url为空或请求的资源不存在时.showImageOnFail(R.mipmap.ic_launcher)//下载失败时显示的图片.bitmapConfig(Bitmap.Config.RGB_565)//设置图片色彩模式  1px=2个字节  ARGB_8888 1px=4个字节   ARGB_4444 1px=2个字节  ALPHA_8 1px=1个字节.imageScaleType(ImageScaleType.EXACTLY)//设置图片的缩放模式
                .build();}@Overridepublic int getCount() {return Integer.MAX_VALUE;}@Overridepublic boolean isViewFromObject(View view, Object object) {return view==object;}@Overridepublic Object instantiateItem(ViewGroup container, int position) {ImageView imageView=new ImageView(context);//下载图片ImageLoader.getInstance().displayImage(urls.get(position%urls.size()),imageView,options);container.addView(imageView);return imageView;}@Overridepublic void destroyItem(ViewGroup container, int position, Object object) {//super.destroyItem(container, position, object);
        container.removeView((View)object);}
}

package zhanghaijiao.bawei.com.day10_demo3;import android.app.Application;
import android.os.Environment;import com.nostra13.universalimageloader.cache.disc.impl.UnlimitedDiscCache;
import com.nostra13.universalimageloader.cache.disc.naming.Md5FileNameGenerator;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;import java.io.File;/*** Created by jane on 2018/4/17.*/public class MyApplication extends Application {@Overridepublic void onCreate() {super.onCreate();//自定义图片的缓存路径File cachefile=new File( Environment.getExternalStorageDirectory().getPath()+"/abc");ImageLoaderConfiguration configuration=new ImageLoaderConfiguration.Builder(this).memoryCacheExtraOptions(480, 800)//缓存图片最大的长和宽.threadPoolSize(2)//线程池的数量.threadPriority(4).memoryCacheSize(2*1024*1024)//设置内存缓存区大小.diskCacheSize(20*1024*1024)//设置sd卡缓存区大小.diskCache(new UnlimitedDiscCache(cachefile))//自定义缓存目录.writeDebugLogs()//打印日志内容.diskCacheFileNameGenerator(new Md5FileNameGenerator())//给缓存的文件名进行md5加密处理
                .build();ImageLoader.getInstance().init(configuration);}
}

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