in clicking image id in gallery pass into ui handler running gallery how can possible

Question

hi i am implementing gallery application  implementing two activites one is clicking activity 

long k=((Gallery) findViewById(R.id.gallery)).getItemIdAtPosition(position);
        ((ImageView)findViewById(R.id.ImageViewlarge)).setImageResource( imagesList.get((int)k).imgId);

second one is endless gallery rotating every 5 sec

((Gallery) findViewById(R.id.gallery)).setSelection((Integer.MAX_VALUE / 2) - imageid % imagesList.size());
    long k=((Gallery) findViewById(R.id.gallery)).getItemIdAtPosition((Integer.MAX_VALUE / 2) - imageid%imagesList.size());
   ((ImageView)findViewById(R.id.ImageViewlarge)).setImageResource(imagesList.get((int)k).imgId);

gallery image clicking display image continue run the clicking image next position how can implemented please forward some solution its urgent