addGlobalObserver method

doc/api/page_visibility/PageVisibilityBinding/addGlobalObserver.html

5.0.2427 B

addGlobalObserver method

voidaddGlobalObserver(

GlobalPageVisibilityObserver observer

)

Implementation

void addGlobalObserver(GlobalPageVisibilityObserver observer) {
  assert(observer != null);
  _globalListeners.add(observer);
  Logger.log('page_visibility, #addGlobalObserver, $observer');
}