自动无限轮播

package com.bawei.user.dongmancheng;

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 java.util.ArrayList;

import Shipri.Dao_viep_shipei;

public class MainActivity extends AppCompatActivity {
   //引导页面的图片数据
    int[] image={R.mipmap.aaa,R.mipmap.bbb,R.mipmap.ccc,R.mipmap.ddd};
    private  ViewPager vp;
    private Handler handler=new Handler(){
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);
            int currentItem = vp.getCurrentItem();
            vp.setCurrentItem(currentItem+1);
           handler.sendEmptyMessageDelayed(0,2000);
        }
    };
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        //获取控件
         vp= (ViewPager) findViewById(R.id.vp);
        //创建适配器
        Dao_viep_shipei dao_viep_shipei = new Dao_viep_shipei(image,MainActivity.this);
        //启动viewpage
        vp.setAdapter(dao_viep_shipei);
        handler.sendEmptyMessageDelayed(0,2000);
    }

}

//适配

package Shipri;

import android.content.Context;
import android.support.v4.view.PagerAdapter;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;

/**
 * Created by user on 2017/08/18.
 */

public class Dao_viep_shipei extends PagerAdapter {
    private  int[] image;
    private Context context;
    public Dao_viep_shipei(int[] image,Context context){
        this.image=image;
        this.context=context;
    }
    @Override
    public void destroyItem(ViewGroup container, int position, Object object) {
        container.removeView((View) object);
    }

    @Override
    public Object instantiateItem(ViewGroup container, int position) {
        ImageView iv = new ImageView(context);
    int indect= position%image.length;
        iv.setImageResource(image[indect]);
              container.addView(iv);
        return iv;
    }
    //设置无线轮播
    @Override
    public int getCount() {
        return Integer.MAX_VALUE;
    }

    @Override
    public boolean isViewFromObject(View view, Object object) {
        return view==object;
    }
}