navigateNext method
void
navigateNext()
Implementation
void navigateNext() {
final steps = evaluateCurrentSteps();
var pages = evaluateCurrentPages();
if (_currentPageIndex < pages.length - 1) {
_currentPageIndex++;
} else if (_currentStepIndex < steps.length - 1) {
_currentStepIndex++;
pages = evaluateCurrentPages();
_currentPageIndex = 0;
}
notifyListeners();
}