TutorialSequenceController class

Plain ChangeNotifier the caller creates and owns (like a TextEditingController, same pattern as ScreenShakeController in screen_shake.dart) — drives which step of a TutorialSequence is showing, if any.

Inheritance

Properties

currentIndex → int
0-based index of currentStep within the running sequence. Only meaningful while isActive (ENH-48, drives the "Step X/Y" indicator).
no setter
currentStep → TutorialStep?
The step currently being shown, or null if the sequence isn't active (never started, or already finished/skipped).
no setter
hashCode → int
The hash code for this object.
no setterinherited
hasListeners → bool
Whether any listeners are currently registered.
no setterinherited
isActive → bool
no setter
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
stepCount → int
Total steps in the running sequence. Only meaningful while isActive.
no setter

Methods

addListener(VoidCallback listener) → void
Register a closure to be called when the object changes.
inherited
dispose() → void
Discards any resources used by the object.
inherited
next() → void
Advances to the next step, or ends the sequence if the current step was the last one.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
notifyListeners() → void
Call all the registered listeners.
inherited
removeListener(VoidCallback listener) → void
Remove a previously registered closure from the list of closures that are notified when the object changes.
inherited
skip() → void
Ends the sequence immediately, regardless of which step it's on.
start(List<TutorialStep> steps) → void
Starts a new sequence at its first step. A call with an empty steps list is a no-op (nothing to show).
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited