Added some functionality and expanded the example with it.

example/lib/example_pages/carousel_page.dart

@@ -26,7 +26,7 @@ class _CarouselPageState extends State<CarouselPage> {
       size: size,
       fontSize: fontSize,
       title: "What's your favorite car?",
-      pageNumber: 2,
+      pageNumber: 3,
       amountOfPages: 3,
       shellFormWidgets: [
         ShellFormInputCarousel(

example/lib/example_pages/name_page.dart

@@ -6,11 +6,13 @@ class NamePage extends StatefulWidget {
   const NamePage({
     required this.firstNameController,
     required this.lastNameController,
+    required this.showLastName,
     super.key,
   });
 
   final ShellFormInputPlainTextController firstNameController;
   final ShellFormInputPlainTextController lastNameController;
+  final bool showLastName;
 
   @override
   State<NamePage> createState() => _NamePageState();
@@ -25,7 +27,7 @@ class _NamePageState extends State<NamePage> {
     return TemplatePage(
       size: size,
       fontSize: fontSize,
-      pageNumber: 3,
+      pageNumber: 2,
       amountOfPages: 3,
       title: "Please enter your name",
       shellFormWidgets: [
@@ -36,6 +38,7 @@ class _NamePageState extends State<NamePage> {
             controller: widget.firstNameController,
           ),
         ),
+        if (widget.showLastName)
           Padding(
             padding: const EdgeInsets.fromLTRB(40, 0, 40, 0),
             child: ShellFormInputPlainText(

example/lib/form_example.dart

@@ -75,6 +75,8 @@ class _FormExampleState extends ConsumerState<FormExample> {
     );
   }
 
+  bool showLastName = true;
+
   @override
   Widget build(BuildContext context) {
     var size = MediaQuery.of(context).size;
@@ -93,6 +95,21 @@ class _FormExampleState extends ConsumerState<FormExample> {
               },
               onNext: (int pageNumber, Map<String, dynamic> results) {
                 print("Results page $pageNumber: $results");
+
+                if (pageNumber == 0) {
+                  if (results['age'] >= 18) {
+                    if (showLastName == false) {
+                      showLastName = true;
+                      formController.disableCheckingPages();
+                    }
+                  } else {
+                    if (showLastName == true) {
+                      showLastName = false;
+                      formController.disableCheckingPages();
+                    }
+                  }
+                  setState(() {});
+                }
               },
               nextButton: (int pageNumber, bool checkingPages) {
                 return Align(
@@ -160,16 +177,17 @@ class _FormExampleState extends ConsumerState<FormExample> {
                     inputController: ageInputController,
                   ),
                 ),
-                ShellFormPage(
-                  child: CarouselPage(
-                    inputController: carouselInputController,
-                    cars: cars,
-                  ),
-                ),
                 ShellFormPage(
                   child: NamePage(
                     firstNameController: firstNameController,
                     lastNameController: lastNameController,
+                    showLastName: showLastName,
+                  ),
+                ),
+                ShellFormPage(
+                  child: CarouselPage(
+                    inputController: carouselInputController,
+                    cars: cars,
                   ),
                 ),
               ],

lib/shell_form.dart

@@ -425,6 +425,18 @@ class ShellFormController extends ChangeNotifier {
     _formPageControllers = controllers;
   }
 
+  disableCheckingPages() {
+    _checkingPages = false;
+
+    clearController();
+  }
+
+  clearController() {
+    for (var controller in _formPageControllers) {
+      controller.clearControllers();
+    }
+  }
+
   Future<void> autoNextStep() async {
     if (_currentStep >= _options.pages.length && _options.checkPage != null) {
       _options.onFinished(getAllResults());

lib/src/utils/form_page_controller.dart

@@ -1,12 +1,16 @@
 import 'package:flutter_form/flutter_form.dart';
 
 class ShellFormPageController {
-  final List<ShellFormInputController> _controllers = [];
+  List<ShellFormInputController> _controllers = [];
 
   void register(ShellFormInputController inputController) {
     _controllers.add(inputController);
   }
 
+  clearControllers() {
+    _controllers = [];
+  }
+
   bool _isRegisteredById(String id) {
     return _controllers.any((element) => (element.id == id));
   }