update 251121

lib/pages/signup.dart

@@ -10,6 +10,22 @@ class SignupPage extends StatefulWidget {
 
 class _SignupPageState extends State<SignupPage> {
   final _formKey = GlobalKey();
+  final _usernameController = TextEditingController();
+  final _ageController = TextEditingController();
+  final _passwordController = TextEditingController();
+  final _contrimPasswordController = TextEditingController();
+
+  bool _isPasswordVisible = false;
+  bool _isContrimPasswordVisible = false;
+
+  @override
+  void dispose() {
+    _usernameController.dispose();
+    _ageController.dispose();
+    _passwordController.dispose();
+    _contrimPasswordController.dispose();
+    super.dispose();
+  }
 
   @override
   Widget build(BuildContext context) {
@@ -21,9 +37,7 @@ class _SignupPageState extends State<SignupPage> {
           key: _formKey,
           child: Column(
             crossAxisAlignment: CrossAxisAlignment.stretch,
-            children: [
-
-            ],
+            children: [],
           ),
         ),
       ),
@@ -80,4 +94,4 @@ Widget _buildTextField({
       contentPadding: const EdgeInsets.symmetric(vertical: 18, horizontal: 16),
     ),
   );
-}
+}