Merge pull request #121 from kosukesaigusa/root

Root

packages/mottai_flutter_app/lib/push_notification/firebase_messaging.dart

@@ -45,7 +45,14 @@ final initializeFirebaseMessagingProvider =
 
 /// FCM トークンを取得する [Provider].
 final getFcmTokenProvider = Provider.autoDispose<Future<String?> Function()>(
-  (ref) => () => ref.read(firebaseMessagingProvider).getToken(),
+  (ref) => () async {
+    final token = await ref.read(firebaseMessagingProvider).getToken();
+    if (token == null) {
+      return null;
+    }
+    debugPrint('🔥 FCM token: $token');
+    return token;
+  },
 );
 
 /// terminated (!= background) の状態から、通知によってアプリを開いた場合に非 null となる

packages/mottai_flutter_app/lib/root/ui/root.dart

@@ -0,0 +1,45 @@
+import 'package:auto_route/auto_route.dart';
+import 'package:flutter/material.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+
+import '../../push_notification/firebase_messaging.dart';
+
+/// メインの [BottomNavigationBar] を含む画面。
+@RoutePage()
+class RootPage extends ConsumerStatefulWidget {
+  const RootPage({super.key});
+
+  /// [AutoRoute] で指定するパス文字列。
+  static const path = '/';
+
+  /// [RootPage] に遷移する際に `context.router.pushNamed` で指定する文字列。
+  static const location = path;
+
+  @override
+  ConsumerState<RootPage> createState() => _RootPageState();
+}
+
+class _RootPageState extends ConsumerState<RootPage> {
+  @override
+  void initState() {
+    super.initState();
+    Future.wait<void>([
+      ref.read(initializeFirebaseMessagingProvider)(),
+      ref.read(getFcmTokenProvider)(),
+    ]);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      bottomNavigationBar: BottomNavigationBar(
+        items: const [
+          BottomNavigationBarItem(icon: Icon(Icons.map)),
+          BottomNavigationBarItem(icon: Icon(Icons.chat)),
+          BottomNavigationBarItem(icon: Icon(Icons.reviews)),
+          BottomNavigationBarItem(icon: Icon(Icons.person)),
+        ],
+      ),
+    );
+  }
+}