20240903 pre release

ios_setup/services/main.dart

@@ -0,0 +1,30 @@
+import 'package:flutter/material.dart';
+import 'package:your_app/services/motion_service.dart';
+
+void main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+  
+  // アプリの起動時にモーション更新を開始
+  await MotionService.startMotionUpdates();
+  
+  runApp(MyApp());
+}
+
+class MyApp extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      // ... アプリの設定
+    );
+  }
+}
+
+// アプリケーションの状態が変わったときにモーション更新を停止/再開する
+@override
+void didChangeAppLifecycleState(AppLifecycleState state) {
+  if (state == AppLifecycleState.paused) {
+    MotionService.stopMotionUpdates();
+  } else if (state == AppLifecycleState.resumed) {
+    MotionService.startMotionUpdates();
+  }
+}

ios_setup/services/motion_service.dart

@@ -0,0 +1,21 @@
+import 'package:flutter/services.dart';
+
+class MotionService {
+  static const MethodChannel _channel = MethodChannel('com.yourcompany.app/motion');
+
+  static Future<void> startMotionUpdates() async {
+    try {
+      await _channel.invokeMethod('startMotionUpdates');
+    } on PlatformException catch (e) {
+      print("Failed to start motion updates: '${e.message}'.");
+    }
+  }
+
+  static Future<void> stopMotionUpdates() async {
+    try {
+      await _channel.invokeMethod('stopMotionUpdates');
+    } on PlatformException catch (e) {
+      print("Failed to stop motion updates: '${e.message}'.");
+    }
+  }
+}