@Override
        public void onPageScrollStateChanged(int state) {
            mScrollState = state;

            if (mViewPagerPageChangeListener != null) {
                mViewPagerPageChangeListener.onPageScrollStateChanged(state);
            }
        }
Create a default view to be used for tabs. This is called if a custom tab view is not set via
{@link #setCustomTabView(int, int)}.
SwipeRefreshLayoutBasic/Application/src/main/java/com/example/android/common/view/SlidingTabLayout.java