Android OnTouchListener results in jerky drags

public View getView(int pos, View convertView, ViewGroup parent) { 
ViewHolder viewHolder;
if (convertView == null) {
viewHolder = new ViewHolder;
convertView = rowInflater.inflate(context,R.layout.team_ranking_list_item, null);
viewHolder.currentRatingText = (TextView) convertView.findViewById(R.id.Rating);
viewHolder.countryName = (TextView) convertView.findViewById(R.id.TeamNameTextView);
viewHolder.rating = (GradientTextView) convertView.findViewById(R.id.RatingTextView);
viewHolder.rank =(TextView) convertView.findViewById(R.id.RankTextView);
convertView.setTag(viewHolder);
} else 
 {
viewHolder = (ViewHolder)convertView.getTag();
}
//set data here

return convertView;
}


 static class ViewHolder {
 TextView currentRatingText;
 TextView countryName;
 GradientTextView rating;
 TextView rank;
}

   File cacheDir = StorageUtils.getOwnCacheDirectory(a, "your folder");

  // Get singletone instance of ImageLoader
  imageLoader = ImageLoader.getInstance();
  // Create configuration for ImageLoader (all options are optional)
  ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(a)
      // You can pass your own memory cache implementation
     .discCache(new UnlimitedDiscCache(cacheDir)) // You can pass your own disc cache implementation
     .discCacheFileNameGenerator(new HashCodeFileNameGenerator())
     .enableLogging()
     .build();
 // Initialize ImageLoader with created configuration. Do it once.
 imageLoader.init(config);
 options = new DisplayImageOptions.Builder()
 .showStubImage(R.drawable.stub_id)//display stub image
 .cacheInMemory()
 .cacheOnDisc()
 .displayer(new RoundedBitmapDisplayer(20))
 .build();

   ImageView image=(ImageView)vi.findViewById(R.id.imageview); 
   imageLoader.displayImage(imageurl, image,options);//provide imageurl, imageview and options