PagerAdapter

PagerAdapter.java

class ViewPagerAdapter extends PagerAdapter {
        private final List<Presenter> mPresenterList = new ArrayList<>();

        @Override
        public boolean isViewFromObject(View view, Object object) {
            return view == object;
        }

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

        public void addView(Presenter presenter) {
            mPresenterList.add(presenter);
        }

        @Override
        public Object instantiateItem(ViewGroup collection, int position) {
            View currentView = mPresenterList.get(position).getView();
            return currentView;
        }
    }