INNER CODE UNIT · Dart

TutorialCoachMarkController

RafaelBarbosatec/tutorial_coach_mark · lib/src/util.dart:80

abstract class TutorialCoachMarkController {
  /// Advances to the next step in the tutorial.
  void next();

  /// Goes back to the previous step in the tutorial.
  void previous();

  /// Skips the entire tutorial.
  void skip();
}

/// Extension on [State] to provide safe state updates.
extension StateExt on State {
  /// Safely calls [setState] only if the widget is still mounted.
  ///
  /// This prevents errors when trying to update state after the widget
  /// has been disposed or removed from the widget tree.
  void safeSetState(VoidCallback call) {

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