ViewPager滑动页面的实现方法

package com.lixu.pagerview;

import java.util.ArrayList;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;

public class MainActivity extends Activity {
    ViewPager mViewPager;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        mViewPager = (ViewPager) findViewById(R.id.vp);
        PagerAdapter mPagerAdapter = new myAdapter(this);
        mViewPager.setAdapter(mPagerAdapter);//设置适配器
    }

    public class myAdapter extends PagerAdapter {
        private ArrayList<ImageView> views;
        private Context context;

        @Override
        public int getCount() {
            return views.size();
        }

        public myAdapter(Context context) {
            views = new ArrayList<ImageView>();
            this.context = context;
            int[] image = new int[] { R.drawable.a1, R.drawable.a10, R.drawable.a2, R.drawable.aa8, R.drawable.aa9,//设置图片id
                    R.drawable.f14 };
            for (int i = 0; i < 6; i++) {
                ImageView mImageView = new ImageView(context);
                mImageView.setImageResource(image[i]);
                views.add(mImageView);

            }

        }

        @Override
        public View instantiateItem(ViewGroup container, int position) {
            container.addView(views.get(position));
            return views.get(position);
        }

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

        @Override
        public boolean isViewFromObject(View arg0, Object arg1) {
            return arg0 == arg1;
        }

    }
}