@Override
            public void onPageSelected(int position) {
                mToolbarLayout.setTitle(String.valueOf(mBeanShells.get(position).getSchool().size()));
                Glide.with(mContext)
                        .load(pics[position % pics.length])
                        .apply(new RequestOptions().placeholder(R.drawable.a6))
                        .into(headImage);
            }
The {@link ViewPager} that will host the section contents.
app/src/main/java/home/smart/fly/animations/ui/activity/CollegeActivity.java