轮播图adapter

最新推荐文章于 2021-05-29 11:59:09 发布

币圈小韭菜

最新推荐文章于 2021-05-29 11:59:09 发布

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分类专栏： Android

本文链接：https://blog.youkuaiyun.com/liu_qunfeng/article/details/80515536

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public class ImageAdapter extends PagerAdapter{

    private  List<ImageView> imagelist;

    public ImageAdapter(List<ImageView> imagelist) {
        this.imagelist = imagelist;
    }

    @Override
    public int getCount() {
        return Integer.MAX_VALUE;
    }

    @Override
    public boolean isViewFromObject(@NonNull View view, @NonNull Object object) {
        return view==object;
    }

    @NonNull
    @Override
    public Object instantiateItem(@NonNull ViewGroup container, int position) {
        if (imagelist.size()>0 && imagelist!=null){
            ImageView imageView = imagelist.get(position % imagelist.size());
            container.addView(imageView);
            return imageView;
        }
        return null;
    }

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