[sqflite] Update validate form.

example/lib/packages/sqflite/widgets/form_insert.dart

@@ -80,7 +80,7 @@ class _SqfliteFormInsertState extends AppState<SqfliteFormInsert> {
               if (value == null || value.isEmpty) {
                 return l10n.sqfliteTitleValidateRequired;
               }
-              if (double.tryParse(value) == null) {
+              if (double.tryParse(value.replaceAll(',', '.')) == null) {
                 return l10n.sqfliteTitleValidateType('double');
               }
               return null;
@@ -98,7 +98,7 @@ class _SqfliteFormInsertState extends AppState<SqfliteFormInsert> {
                   await widget.submit(
                     _nameController.text,
                     int.parse(_valueController.text),
-                    double.parse(_numController.text),
+                    double.parse(_numController.text.replaceAll(',', '.')),
                   );
                   // Clear form
                   _nameController.clear();

example/lib/packages/sqflite/widgets/form_update.dart

@@ -101,7 +101,7 @@ class _SqfliteFormUpdateState extends AppState<SqfliteFormUpdate> {
               if (value == null || value.isEmpty) {
                 return l10n.sqfliteTitleValidateRequired;
               }
-              if (double.tryParse(value) == null) {
+              if (double.tryParse(value.replaceAll(',', '.')) == null) {
                 return l10n.sqfliteTitleValidateType('double');
               }
               return null;
@@ -118,7 +118,7 @@ class _SqfliteFormUpdateState extends AppState<SqfliteFormUpdate> {
                     int.parse(_idController.text),
                     _nameController.text,
                     int.parse(_valueController.text),
-                    double.parse(_numController.text),
+                    double.parse(_numController.text.replaceAll(',', '.')),
                   )) {
                     // Clear focus
                     FocusScope.of(context).unfocus();