轮播

activity:

package com.example.caidanliandong;

import android.annotation.SuppressLint;
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.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.View;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.example.caidanliandong.adapter.LunBoAdapter;
import com.example.caidanliandong.bean.LunBoBean;
import com.example.caidanliandong.presenter.OtherPresenterimpl;
import com.example.caidanliandong.view.OtherView;

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

public class OtherActivity extends AppCompatActivity implements OtherView{

    private TextView other_title;
    private ViewPager view_pager;
    private OtherPresenterimpl otherPresenterimpl;
    private LunBoAdapter lunBoAdapter;
    private List<LunBoBean.DataBean> data;
    @SuppressLint("HandlerLeak")
    private Handler handler=new Handler(){
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);
            if(msg.what==0){
                int currentItem = view_pager.getCurrentItem();
                view_pager.setCurrentItem(currentItem+1);
                pointChange((currentItem+1)%data.size());
                handler.sendEmptyMessageDelayed(0,2000);

            }
        }
    };
    private ArrayList<ImageView> images;
    private LinearLayout linear_layout;

    private void pointChange(int i) {
        for (int j=0;j<images.size();j++) {
            if (i == j) {
                images.get(j).setImageResource(R.drawable.red);
            } else {
                images.get(j).setImageResource(R.drawable.white);
            }
        }
    }

    private int size;

    //https://www.zhaoapi.cn/quarter/getAd
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_other);
        //初始化控件
        other_title = findViewById(R.id.other_title);
        linear_layout = findViewById(R.id.linear_layout);
        view_pager = findViewById(R.id.view_pager);
        //获取传过来的数据
        String title = getIntent().getStringExtra("goods");
        other_title.setText(title);
        otherPresenterimpl = new OtherPresenterimpl(this);
        otherPresenterimpl.getData();
        images = new ArrayList<>();


    }

    @Override
    public void onSuccess(final LunBoBean lunBoBean) {
        data = lunBoBean.getData();
         if( data!=null){
             runOnUiThread(new Runnable() {
                 @Override
                 public void run() {
                     lunBoAdapter = new LunBoAdapter(OtherActivity.this,data);
                     view_pager.setAdapter(lunBoAdapter);
                     size = data.size();
                     point(size);
                     handler.sendEmptyMessageDelayed(0,2000);
                 }


             });
         }
    }

   private void point(int size) {
        for (int i=0;i<size;i++) {
            ImageView imageView = new ImageView(this);
            imageView.setScaleType(ImageView.ScaleType.FIT_XY);
            if (i == 0) {
                imageView.setImageResource(R.drawable.red);
            } else {
                imageView.setImageResource(R.drawable.white);
            }
            LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(30, 30);
            linear_layout.addView(imageView,params);
            images.add(imageView);
        }
    }

    @Override
    public void onError(int code) {

    }
}

adapter:

package com.example.caidanliandong.adapter;

import android.content.Context;
import android.support.annotation.NonNull;
import android.support.v4.view.PagerAdapter;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;

import com.bumptech.glide.Glide;
import com.example.caidanliandong.bean.LunBoBean;
import com.nostra13.universalimageloader.core.ImageLoader;

import java.util.List;

/**
 * Created by 小薇 on 2018/7/22.
 */

public class LunBoAdapter extends PagerAdapter{
    private Context context;
    private List<LunBoBean.DataBean> dataBeans;

    public LunBoAdapter(Context context, List<LunBoBean.DataBean> dataBeans) {
        this.context = context;
        this.dataBeans = dataBeans;
    }

    @Override
    public int getCount() {
        return Integer.MAX_VALUE;
    }

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

    @NonNull
    @Override
    public Object instantiateItem(@NonNull ViewGroup container, int position) {
        ImageView imageView = new ImageView(context);
        imageView.setScaleType(ImageView.ScaleType.FIT_XY);
        ImageLoader.getInstance().displayImage(dataBeans.get(position%dataBeans.size()).getIcon(),imageView);
       // Glide.with(context).load(dataBeans.get(position%dataBeans.size())).into(imageView);
        container.addView(imageView);
        return imageView;
    }

    @Override
    public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
        container.removeView((View)(object));
    }
}