fix: add form validador

lib/flutter_flow/upload_data.dart

@@ -52,8 +52,8 @@ Future<List<SelectedFile>?> selectMediaWithSourceBottomSheet({
   required bool allowPhoto,
   bool allowVideo = false,
   String pickerFontFamily = 'Roboto',
-  Color textColor = const Color(0xFF111417),
-  Color backgroundColor = const Color(0xFFF5F5F5),
+  // Color textColor = const Color(0xFF111417),
+  // Color backgroundColor = const Color(0xFFF5F5F5),
   bool includeDimensions = false,
   bool includeBlurHash = false,
 }) async {
@@ -63,12 +63,12 @@ Future<List<SelectedFile>?> selectMediaWithSourceBottomSheet({
               textAlign: TextAlign.center,
               style: GoogleFonts.getFont(
                 pickerFontFamily,
-                color: textColor,
+                color: FlutterFlowTheme.of(context).primaryText,
                 fontWeight: FontWeight.w600,
                 fontSize: 20,
               ),
             ),
-            tileColor: backgroundColor,
+            tileColor: FlutterFlowTheme.of(context).primaryBackground,
             dense: false,
             onTap: () => Navigator.pop(
               context,
@@ -77,7 +77,7 @@ Future<List<SelectedFile>?> selectMediaWithSourceBottomSheet({
           );
   final mediaSource = await showModalBottomSheet<MediaSource>(
       context: context,
-      backgroundColor: backgroundColor,
+      backgroundColor: FlutterFlowTheme.of(context).primaryBackground,
       builder: (context) {
         return Column(
           mainAxisSize: MainAxisSize.min,
@@ -91,13 +91,13 @@ Future<List<SelectedFile>?> selectMediaWithSourceBottomSheet({
                     textAlign: TextAlign.center,
                     style: GoogleFonts.getFont(
                       pickerFontFamily,
-                      color: textColor.withOpacity(0.65),
+                      color: FlutterFlowTheme.of(context).primaryText.withOpacity(0.65),
                       fontWeight: FontWeight.w500,
                       fontSize: 20,
                     ),
                   ),
-                  tileColor: backgroundColor,
-                  dense: false,
+                  tileColor: FlutterFlowTheme.of(context).primaryBackground,
+                  dense: true,
                 ),
               ),
               const Divider(),

lib/pages/register_visitor_page/register_visitor_page_model.dart

@@ -17,10 +17,28 @@ class RegisterVisitorPageModel
   FocusNode? textFieldFocusNode1;
   TextEditingController? textController1;
   String? Function(BuildContext, String?)? textController1Validator;
+  String? _textController1Validator(BuildContext context, String? val) {
+    if (val == null || val.isEmpty) {
+      return FFLocalizations.of(context).getVariableText(
+        enText: 'This field is required',
+        ptText: 'Este campo é obrigatório',        
+      );
+    }
+    return null;
+  }
   // State field(s) for TextField widget.
   FocusNode? textFieldFocusNode2;
   TextEditingController? textController2;
   String? Function(BuildContext, String?)? textController2Validator;
+  String? _textController2Validator(BuildContext context, String? val) {
+    if (val == null || val.isEmpty) {
+      return FFLocalizations.of(context).getVariableText(
+        enText: 'This field is required',
+        ptText: 'Este campo é obrigatório',        
+      );
+    }
+    return null;
+  }
   // State field(s) for DropDown widget.
   String? dropDownValue;
   FormFieldController<String>? dropDownValueController;
@@ -28,17 +46,56 @@ class RegisterVisitorPageModel
   FocusNode? textFieldFocusNode3;
   TextEditingController? textController3;
   String? Function(BuildContext, String?)? textController3Validator;
+  String? _textController3Validator(BuildContext context, String? val) {
+    if (val == null || val.isEmpty) {
+      return FFLocalizations.of(context).getVariableText(
+        enText: 'This field is required',
+        ptText: 'Este campo é obrigatório',        
+      );
+    }
+    return null;
+  }
   // State field(s) for TextField widget.
   FocusNode? textFieldFocusNode4;
   TextEditingController? textController4;
   String? Function(BuildContext, String?)? textController4Validator;
+  String? _textController4Validator(BuildContext context, String? val) {
+    if (val == null || val.isEmpty) {
+      return FFLocalizations.of(context).getVariableText(
+        enText: 'This field is required',
+        ptText: 'Este campo é obrigatório',        
+      );
+    }
+    return null;
+  }
   // Stores action output result for [Custom Action - convertImageFileToBase64] action in Button widget.
   String? imgBase64;
   // Stores action output result for [Backend Call - API (postScheduleVisitor)] action in Button widget.
   ApiCallResponse? scheduleVisitor;
 
   @override
-  void initState(BuildContext context) {}
+  void initState(BuildContext context) {
+
+    textFieldFocusNode1 = FocusNode();
+    textController1 = TextEditingController();
+    textController1Validator = _textController1Validator;
+
+    textFieldFocusNode2 = FocusNode();
+    textController2 = TextEditingController();
+    textController2Validator = _textController2Validator;
+
+
+    dropDownValue = '';
+    // dropDownValueController = FormFieldController<String>(initialValue: dropDownValue);
+
+    textFieldFocusNode3 = FocusNode();
+    textController3 = TextEditingController();
+    textController3Validator = _textController3Validator;
+
+    textFieldFocusNode4 = FocusNode();
+    textController4 = TextEditingController();
+    textController4Validator = _textController4Validator;
+  }
 
   @override
   void dispose() {