prevStep method

Future<void> prevStep()

Implementation

Future<void> prevStep() async {
  var prevFunction = pages[vm.currentStep].onBack;

  if (prevFunction != null) {
    await prevFunction();
  }

  if (vm.currentStep > 0) {
    vm.currentStep--;
    await _pageController.previousPage(
      duration: const Duration(milliseconds: 300),
      curve: Curves.easeInOut,
    );
    vm.redraw();
  }
}