NavigatorObserver class abstract

An interface for observing the behavior of a Navigator.

Subclass this and pass instances to Navigator.observers to receive callbacks when routes are pushed, popped, removed, or replaced.

class MyObserver extends NavigatorObserver {
  @override
  void didPush(Route route, Route? previousRoute) {
    print('Pushed: ${route.settings.name}');
  }
}

Constructors

NavigatorObserver()

Properties

hashCode → int

The hash code for this object.

no setter, inherited

navigator ↔ dynamic

The navigator this observer is attached to.

getter/setter pair

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

didPop(Route route, Route? previousRoute) → void

Called when a route is popped from the navigator.

didPush(Route route, Route? previousRoute) → void

Called when a route is pushed onto the navigator.

didRemove(Route route, Route? previousRoute) → void

Called when a route is removed from the navigator.

didReplace({Route? newRoute, Route? oldRoute}) → void

Called when a route is replaced in the navigator.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited