ViewPager轮滑图片 (网路获取图片) 没有小圆点.没有标题

版权声明：李帅哲专属 https://blog.csdn.net/weixin_43584282/article/details/84305127

//获取资源id

pager = view.findViewById(R.id.pager);

//给适配器赋值

public void MyPager(){
		List<String> picUrl= new ArrayList<>();
			picUrl.add("https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1513679323820&di=d33523977cd2b8c0e831513baa205965&imgtype=0&src=http%3A%2F%2Fc.hiphotos.baidu.com%2Fimage%2Fpic%2Fitem%2Fa686c9177f3e67092b94a19231c79f3df9dc55c3.jpg");
		    picUrl.add("https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1513679323820&di=9d535a4011922065fc36e1d0cb3790fa&imgtype=0&src=http%3A%2F%2Fb.hiphotos.baidu.com%2Fimage%2Fpic%2Fitem%2Fac4bd11373f082024ba9705241fbfbedab641ba7.jpg");
		    picUrl.add("https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1513679323820&di=7d77f15e8f8556eb72fee9b0962ef985&imgtype=0&src=http%3A%2F%2Ff.hiphotos.baidu.com%2Fimage%2Fpic%2Fitem%2Fc75c10385343fbf25fb0ff46ba7eca8065388f33.jpg");
		
//设置适配器
	
    MyPagerimageAdapter adapter = new MyPagerimageAdapter(getActivity(), picUrl);
    pager.setAdapter(adapter);
//每过一秒钟 设置一下
		myHandler.sendEmptyMessageDelayed(0,1000);
} 

//Hander自动轮播

private Handler myHandler=new Handler(){
    @Override
    public void handleMessage(Message msg) {
        super.handleMessage(msg);
        int index=pager.getCurrentItem();
        index++;
        pager.setCurrentItem(index);

        sendEmptyMessageDelayed(0,1000);

    }
};

//适配器

public class MyPagerimageAdapter extends PagerAdapter {
    
    private  DisplayImageOptions options;
    private Context context;
    private List<String> picUrl;
    
    public MyPagerimageAdapter(Context context, List<String> picUrl) {
        this.picUrl = picUrl;
        this.context =context;
        options=new DisplayImageOptions.Builder()
                .cacheInMemory(true)//使用内存缓存
                .cacheOnDisk(false)//使用磁盘缓存
                .bitmapConfig(Bitmap.Config.RGB_565)//设置图片色彩模式
                .imageScaleType(ImageScaleType.EXACTLY)//设置图片的缩放模式
                .build();
    }

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

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

//添加的方法

    @Override
    public Object instantiateItem(ViewGroup container, int position) {
        ImageView imageView=new ImageView(context);
        ImageLoader.getInstance().displayImage(picUrl.get(position%picUrl.size()),imageView,options);
        container.addView(imageView);
        return imageView;
	}

//删除的方法

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