SimpleCallback

ItemTouchHelper mIth = new ItemTouchHelper(
    new ItemTouchHelper.SimpleCallback(ItemTouchHelper.UP | ItemTouchHelper.DOWN,
        ItemTouchHelper.LEFT) {
        public boolean onMove(RecyclerView recyclerView,
            ViewHolder viewHolder, ViewHolder target) {
            final int fromPos = viewHolder.getAdapterPosition();
            final int toPos = target.getAdapterPosition();
            // move item in `fromPos` to `toPos` in adapter.
            return true;// true if moved, false otherwise
        }
        public void onSwiped(ViewHolder viewHolder, int direction) {
            // remove from adapter
        }
});