评头条，每过3秒钟切换一条

头条，每过3秒钟切换一条"/>

评头条，每过3秒钟切换一条

要求：上方点评头条，每过3秒钟切换一条，

package com.example.zhoukan;
import android.graphics.Bitmap;
import android.os.Handler;
import android.os.Message;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;import com.example.zhoukan.Itoos.itoos;
import com.example.zhoukan.JavaBean.bean;
import com.google.gson.Gson;import java.util.List;
import java.util.Timer;
import java.util.TimerTask;public class MainActivity extends AppCompatActivity {//路径
     private String httpurl="/?key=8d6e3228d25298f13af4fc40ce6c9679&num=10&page=1";//集合
    private List<bean.NewslistBean> newslist;//初始值
    int i=0;
//handler机制
    Handler handler=new Handler(){@Override
        public void handleMessage(Message msg) {super.handleMessage(msg);//传过来的参数
            String obj = (String) msg.obj;//赋值
           vp.setText(obj);}};private TextView vp;private ImageView img;@Override
    protected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);//获取控件
        vp = (TextView) findViewById(R.id.vp);img = (ImageView) findViewById(R.id.img);//解析方法
        jiexi();   }public void jiexi(){//开启线程
       new Thread(){@Override
           public void run() {super.run();
//实力化读出的方法
               String ioss = itoos.ioss(httpurl);//实力化Gson
               Gson g=new Gson();//获取类
               bean bean = g.fromJson(ioss, bean.class);//获取集合
               newslist = bean.getNewslist();//获取定时器
               Timer tianapi=new Timer();   //
               tianapi.schedule(new TimerTask() {@Override
                   public void run() {//判断初判断大于等于0与小于集合的长度
                       if(i>=0 && i<=newslist.size()-1){//把i放入获取集合对象的下标
                           com.example.zhoukan.JavaBean.bean.NewslistBean newslistBean = newslist.get(i);//获取title
                           String title = newslistBean.getTitle();//实力化Message
                           Message msg=new Message();//传值
                           msg.obj=title;

//发送
                           handler.sendMessage(msg);                          

 //下标++                        

   i++;                           

//判断大于集合长度                      

 }else if(i>newslist.size()-1){        

//把i归0                  

         i=0;                          

 //  //把i放入获取集合对象的下标                          

 com.example.zhoukan.JavaBean.bean.NewslistBean newslistBean = newslist.get(i);    

                       //获取title          

                 String title = newslistBean.getTitle();            

               //实力化Message                          

 Message msg=new Message();                          

 //传值                         

  msg.obj=title;                           //                   

        handler.sendMessage(msg);                     

      i++;                     

  }                   

}              

 },0,3000);         

  }      

 }.start(); 

  }}