Session/3

lib/main.dart

@@ -1,5 +1,5 @@
 import 'package:flutter/material.dart';
-import 'package:flutter_training/view/weather_view/weather_page.dart';
+import 'package:flutter_training/view/launch_page.dart';
 
 void main() {
   runApp(const MainApp());
@@ -11,7 +11,7 @@ class MainApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return const MaterialApp(
-      home: WeatherPage(),
+      home: LaunchPage(),
     );
   }
 }

lib/view/launch_page.dart

@@ -0,0 +1,37 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_training/view/weather_view/weather_page.dart';
+
+class LaunchPage extends StatefulWidget {
+  const LaunchPage({super.key});
+
+  @override
+  State<LaunchPage> createState() => _LaunchPageState();
+}
+
+class _LaunchPageState extends State<LaunchPage> {
+  Future<void> _toWeatherPage() async {
+    await Future<void>.delayed(const Duration(milliseconds: 500));
+    if (!mounted) {
+      return;
+    }
+    await Navigator.push(
+      context,
+      MaterialPageRoute<void>(
+        builder: (context) => const WeatherPage(),
+      ),
+    );
+    //   WeatherPageから帰ってくるのを待つ
+    await _toWeatherPage();
+  }
+
+  @override
+  void initState() {
+    super.initState();
+    WidgetsBinding.instance.endOfFrame.then((_) => _toWeatherPage());
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(color: Colors.green);
+  }
+}

lib/view/weather_view/component/weather_forecast.dart

@@ -1,7 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_training/model/weather_condition.dart';
 
-
 class WeatherForecast extends StatelessWidget {
   const WeatherForecast({super.key, required this.weatherCondition});
 

lib/view/weather_view/weather_page.dart

@@ -42,7 +42,7 @@ class _WeatherPageState extends State<WeatherPage> {
                         Expanded(
                           child: TextButton(
                             child: const Text('Close'),
-                            onPressed: () {},
+                            onPressed: () => Navigator.pop(context),
                           ),
                         ),
                         Expanded(