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package com.electronic_market.GuideUI;

import java.util.ArrayList;

import android.support.v4.view.PagerAdapter;

import android.support.v4.view.ViewPager;

import android.view.View;

/**

* @author yangyu

* 功能描述：ViewPager适配器，用来绑定数据和view

*/

public class ViewPagerAdapter extends PagerAdapter {

//界面列表

private ArrayList<View> views;

public ViewPagerAdapter (ArrayList<View> views){

this.views = views;

}

/**

* 获得当前界面数

*/

@Override

public int getCount() {

if (views != null) {

return views.size();

}

return 0;

}

/**

* 初始化position位置的界面

*/

@Override

public Object instantiateItem(View view, int position) {

((ViewPager) view).addView(views.get(position), 0);

return views.get(position);

}

/**

* 判断是否由对象生成界面

*/

@Override

public boolean isViewFromObject(View view, Object arg1) {

return (view == arg1);

}

/**

* 销毁position位置的界面

*/

@Override

public void destroyItem(View view, int position, Object arg2) {

((ViewPager) view).removeView(views.get(position));

}

}