Moving view pager to first item when the end of view pager is reached

Following is my instantiateItem method

@Override
    public Object instantiateItem(ViewGroup container, int position) {
        View itemView = mLayoutInflater.inflate(R.layout.pager_item, container, false);

        ImageView imageView = (ImageView) itemView.findViewById(R.id.img);
        TextView textView = (TextView) itemView.findViewById(R.id.txt);
        imageView.setImageResource(mResources[position]);
        textView.setText(mCompanies[position]);
        container.addView(itemView);

        return itemView;
    }

I want to detect if user has reached the end of view pager by scrolling and if the user has reached the end, I wanna shake the entire viewpager from left to right. How can I do so?

@Override
public void onPageScrollStateChanged(int state) {

     //mImageResource is image array

    if(state<mImageResources.length)
    {
   //intro_images is viewpager           
   intro_images.setCurrentItem(0,true);
    }

}