public class MyPagerAdapter extends PagerAdapter
			{
				private Activity context;
				private HashMap<Integer, View> viewMap = new HashMap<Integer, View>();

				public MyPagerAdapter(Activity mContext)
					{
						
						this.context = mContext;
					}

				@Override
				public void destroyItem(View arg0, int arg1, Object arg2)
					{
						((ViewPager) arg0).removeView((View) arg2);
						viewMap.remove(arg1);//处理之前的
						System.gc();//回收资源
						System.out.println("viewMapssize:" + viewMap.size());
					}

				@Override
				public void finishUpdate(View arg0)
					{
					}

				@Override
				public int getCount()
					{
						return list.size();
					}
				@Override
				public Object instantiateItem(View arg0, int arg1)
					{
						LayoutInflater mInflater = context.getLayoutInflater();
						View view1 = mInflater.inflate(R.layout.content_view, null);
						TextView text = (TextView) view1.findViewById(R.id.textview);
						text.setText(list.get(arg1));
						((ViewPager) arg0).addView(view1);
						viewMap.put(arg1, view1);
						return view1;
					}

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

				@Override
				public void restoreState(Parcelable arg0, ClassLoader arg1)
					{
					}

				@Override
				public Parcelable saveState()
					{
						return null;
					}

				@Override
				public void startUpdate(View arg0)
					{
					}

				public View getViewByPosition(int position)
					{
						return viewMap.get(position);
					}
			}

主要是这个adapter，维护一个list数据组与mapView组，代码的github：https://github.com/wszf/ViewPageDemo