質問編集履歴

追記

2021/01/23 14:06

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narururu

スコア172

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@@ -150,4 +150,109 @@
 何が間違っているのかエラー見ても不明です。
 どなたかアドバイスいただけませんでしょうか。
-よろしくお願いいたします。
+よろしくお願いいたします。
+## 追記
+```ここに言語を入力
+//入力画面
+import 'package:flutter/material.dart';
+void main() {
+  runApp(MyApp());
+}
+// ignore: must_be_immutable
+class MyApp extends StatefulWidget {
+  String name;
+  String phone;
+  MyApp({Key key, this.name, this.phone}) : super(key: key);
+  @override
+  MyAppState createState() => MyAppState();
+}
+class MyAppState extends State<MyApp> {
+  Widget build(BuildContext context) {
+    return MaterialApp(
+        theme: ThemeData(
+          primarySwatch: Colors.blue,
+          visualDensity: VisualDensity.adaptivePlatformDensity,
+        ),
+        home: Scaffold(
+          appBar: AppBar(
+            title: Text('入力画面'),
+          ),
+          body: Center(
+            child: Column(
+              mainAxisAlignment: MainAxisAlignment.center,
+              children: [
+                TextField(
+                  onChanged: (value) {
+                    setState((){
+                      name = value;
+                    });
+                  },
+                  decoration: InputDecoration(
+                      hintText: 'ここに入力した値を次の画面に渡したい'
+                  ),
+                ),
+                TextField(
+                  decoration: InputDecoration(
+                      hintText: 'ここに入力した値を次の画面に渡したい'
+                  ),
+                ),
+                RaisedButton(
+                    child: Text('確認画面へ'),
+                    onPressed: (){
+                      Navigator.push(
+                        context,
+                        MaterialPageRoute(builder: (context) => NextPage()),
+                      );
+                    }
+                ),
+              ],
+            ),
+          ),
+        )
+    );
+  }
+}
+//確認画面
+class NextPage extends StatefulWidget{
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      theme: ThemeData(
+        primarySwatch: Colors.blue,
+        visualDensity: VisualDensity.adaptivePlatformDensity,
+      ),
+      home: NextPage2(),
+    );
+  }
+}
+class NextPage2 extends StatefulWidget{
+  NextPage2({this.name});
+  final String name;
+  @override
+  Widget build(BuildContext context){
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('確認画面'),
+      ),
+      body: Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            Text(name),
+            Text(name),
+          ],
+        ),
+      ),
+    );
+  }
+}
+```