Intermediate
Flutter
Q77 / 100
What is a NotificationListener widget in Flutter?
Correct! Well done.
Incorrect.
The correct answer is B) A widget that listens for Notifications bubbling up the widget tree (like scroll events) and runs a callback
B
Correct Answer
A widget that listens for Notifications bubbling up the widget tree (like scroll events) and runs a callback
Explanation
NotificationListener<T> intercepts Notification objects (like ScrollNotification, OverscrollNotification) that bubble up through the widget tree. Return true from onNotification to stop the notification from propagating further.
Progress
77/100