java.lang.NoClassDefFoundError: com.example.bylyngo.OpenTOk.MySession$1

private PagerAdapter mPagerAdapter = new PagerAdapter() {


        @Override
        public boolean isViewFromObject(View arg0, Object arg1) {
            return ((MySubscriber) arg1).getView() == arg0;
        }

        @Override
        public int getCount() {
            return mSubscribers.size();
        }

        @Override
        public CharSequence getPageTitle(int position) {
            if (position < mSubscribers.size()) {
                return mSubscribers.get(position).getName();
            } else {
                return null;
            }
        }
      .....
      ...
 }

(private PagerAdapter mPagerAdapter = new PagerAdapter() {} )