addListenerToPageController method

void addListenerToPageController(
  1. VoidCallback listener
)

Adds listener to internal PageController. Note that you should use this method rather than PageController.addListener in order to make listeners migrate-able when pageController is replaced as viewportFraction is changed.

Implementation

void addListenerToPageController(VoidCallback listener) {
  _pageControllerListeners.add(listener);
  pageController.addListener(listener);
}