PageScrollTab.java 文件源码

public void setViewPager(ViewPager pager) {
    mViewPager = pager;
    PagerAdapter adp = pager == null ? null : pager.getAdapter();
    if (adp != null) {
        if (adp instanceof ItemProvider) {
            mITabProvider = (ItemProvider) adp;
        }
        pager.setOnPageChangeListener(mViewPageListener);
    }
    notifyDataSetChanged();
}