ReactViewPager.java 文件源码

/**
 * Remove all the views from the adapter and de-parents them from the ViewPager
 * After calling this, it is expected that notifyDataSetChanged should be called soon
 * afterwards.
 */
void removeAllViewsFromAdapter(ViewPager pager) {
  mViews.clear();
  pager.removeAllViews();
  // set this, so that when the next addViews is called, we return POSITION_NONE for every
  // entry so we can remove whichever views we need to and add the ones that we need to.
  mIsViewPagerInIntentionallyInconsistentState = true;
}