From 61271ebe8bbcaaa0e58e86db0fce513c044f5a66 Mon Sep 17 00:00:00 2001
From: Koji Wakamiya <koji.wakamiya@gmail.com>
Date: Sat, 13 May 2023 10:26:18 +0900
Subject: [PATCH] Update README

---
 README.md             | 108 +++++++++++++++++++++++++++++++++++++++++-
 example/lib/main.dart |  28 ++++++-----
 2 files changed, 123 insertions(+), 13 deletions(-)

diff --git a/README.md b/README.md
index 528c8ed..18eb1e7 100644
--- a/README.md
+++ b/README.md
@@ -4,4 +4,110 @@ PasswordTextField is a TextField that manages the toggle of obscure.
 
 ## How to use
 
-Replace your `TextField`(`PasswordTextField`) or `TextFormField`(`PasswordTextFormField`).
+### `TextField`(`PasswordTextField`)
+
+```dart
+class PasswordWidget extends StatelessWidget {
+  const PasswordWidget({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      children: [
+        Text(
+          'TextField',
+          style: Theme.of(context).textTheme.titleLarge,
+        ),
+        const SizedBox(
+          height: 8,
+        ),
+        const PasswordTextField(
+          decoration: InputDecoration(
+            border: UnderlineInputBorder(),
+            hintText: 'underline',
+          ),
+        ),
+        const SizedBox(
+          height: 16,
+        ),
+        const PasswordTextField(
+          decoration: InputDecoration(
+            border: OutlineInputBorder(),
+            hintText: 'outline',
+          ),
+        ),
+      ],
+    );
+  }
+}
+```
+
+### `TextFormField`(`PasswordTextFormField`)
+
+```dart
+class PasswordFormWidget extends StatefulWidget {
+  const PasswordFormWidget({super.key});
+
+  @override
+  State<PasswordFormWidget> createState() => _PasswordFormWidgetState();
+}
+
+class _PasswordFormWidgetState extends State<PasswordFormWidget> {
+  final _formState = GlobalKey<FormState>();
+  final _textFormFieldController = TextEditingController();
+
+  @override
+  void dispose() {
+    _textFormFieldController.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Form(
+      key: _formState,
+      child: Column(
+        children: [
+          Text(
+            'TextFormField',
+            style: Theme.of(context).textTheme.titleLarge,
+          ),
+          const SizedBox(
+            height: 8,
+          ),
+          PasswordTextFormField(
+            controller: _textFormFieldController,
+            validator: (value) {
+              if ((value?.length ?? 0) < 6) {
+                return 'Password must be at least 6 characters';
+              }
+
+              return null;
+            },
+          ),
+          const SizedBox(
+            height: 16,
+          ),
+          OutlinedButton(
+            onPressed: () {
+              final state = _formState.currentState;
+              if (state == null || !state.validate()) {
+                return;
+              }
+
+              ScaffoldMessenger.of(context).showSnackBar(
+                SnackBar(
+                  content: Text(
+                    'Password ${_textFormFieldController.text} is valid!',
+                  ),
+                ),
+              );
+            },
+            child: const Text('Check'),
+          ),
+        ],
+      ),
+    );
+  }
+}
+```
\ No newline at end of file
diff --git a/example/lib/main.dart b/example/lib/main.dart
index 8a95afb..fce9835 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -18,13 +18,17 @@ class MyApp extends StatelessWidget {
       title: 'password_text_field demo',
       theme: ThemeData(
         useMaterial3: true,
-        colorSchemeSeed: Colors.blue,
-        brightness: Brightness.light,
+        colorScheme: ColorScheme.fromSeed(
+          seedColor: Colors.blue,
+          brightness: Brightness.light,
+        ),
       ),
       darkTheme: ThemeData(
         useMaterial3: true,
-        colorSchemeSeed: Colors.blue,
-        brightness: Brightness.dark,
+        colorScheme: ColorScheme.fromSeed(
+          seedColor: Colors.blue,
+          brightness: Brightness.dark,
+        ),
       ),
       home: const MyHomePage(),
     );
@@ -50,11 +54,11 @@ class MyHomePage extends StatelessWidget {
         ),
         child: const Column(
           children: [
-            _PasswordWidget(),
+            PasswordWidget(),
             SizedBox(
               height: 32,
             ),
-            _PasswordFormWidget(),
+            PasswordFormWidget(),
           ],
         ),
       ),
@@ -62,8 +66,8 @@ class MyHomePage extends StatelessWidget {
   }
 }
 
-class _PasswordWidget extends StatelessWidget {
-  const _PasswordWidget();
+class PasswordWidget extends StatelessWidget {
+  const PasswordWidget({super.key});
 
   @override
   Widget build(BuildContext context) {
@@ -96,14 +100,14 @@ class _PasswordWidget extends StatelessWidget {
   }
 }
 
-class _PasswordFormWidget extends StatefulWidget {
-  const _PasswordFormWidget();
+class PasswordFormWidget extends StatefulWidget {
+  const PasswordFormWidget({super.key});
 
   @override
-  State<_PasswordFormWidget> createState() => _PasswordFormWidgetState();
+  State<PasswordFormWidget> createState() => _PasswordFormWidgetState();
 }
 
-class _PasswordFormWidgetState extends State<_PasswordFormWidget> {
+class _PasswordFormWidgetState extends State<PasswordFormWidget> {
   final _formState = GlobalKey<FormState>();
   final _textFormFieldController = TextEditingController();