ViewPager 简单实现左右无限滑动.
只需在在适配器中将getCount 给一个较大的值, 然后将currentItem 设为值的一半 就可以伪实现 无限循环.
private static final int PAGE_COUNT = 600; class MyPagerAdapter extends PagerAdapter { @Override public int getCount() { return PAGE_COUNT; } @Override public void notifyDataSetChanged() { super.notifyDataSetChanged(); } @Override public void destroyItem(ViewGroup container, int position, Object object) { // container.removeView(viewList.get(position % viewList.size())); } @Override public Object instantiateItem(ViewGroup container, final int position) { ImageView imageView = viewList.get(position % viewList.size()); try { container.addView(imageView); } catch (Exception e) { } imageView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Intent intent = new Intent(MainActivity.this, NewsDetailActivity.class); intent.putExtra("subject", topList.get(position % viewList.size())); startActivity(intent); } }); return imageView; } @Override public boolean isViewFromObject(View view, Object object) { return view == object; } }