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package com.example.week3_demo;

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

import com.nostra13.universalimageloader.core.ImageLoader;

import java.util.List;

/**
* Created by jane on 2017/12/16.
*/

public class MyAdapter extends PagerAdapter {
private List<String> urls;
private Context context;

public MyAdapter(List<String> urls, Context context) {
this.urls = urls;
this.context = context;
}

@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 img=new ImageView(context);
ImageLoader.getInstance().displayImage(urls.get(position%urls.size()),img,ImageLoaderutils.getImageOption(context));

container.addView(img);

return img;
}

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