Unregisters the given observer. This should be used sparingly as it is relatively expensive (O(N) in the number of registered observers).
Source
bool removeObserver(WidgetsBindingObserver observer) => _observers.remove(observer);
Unregisters the given observer. This should be used sparingly as it is relatively expensive (O(N) in the number of registered observers).
bool removeObserver(WidgetsBindingObserver observer) => _observers.remove(observer);