Fixed Location Permission issue on Android - 1

lib/main.dart

@@ -3,6 +3,7 @@ import 'dart:io';
 //import 'dart:convert';
 //import 'dart:developer';
 import 'package:rogapp/model/gps_data.dart';
+import 'package:rogapp/pages/home/home_page.dart';
 import 'package:rogapp/utils/database_gps.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_map_tile_caching/flutter_map_tile_caching.dart';
@@ -31,6 +32,8 @@ import 'package:flutter/services.dart';
 
 import 'package:permission_handler/permission_handler.dart';
 
+import 'pages/permission/permission.dart';
+
 
 Map<String, dynamic> deviceInfo = {};
 
@@ -129,7 +132,10 @@ void main() async {
 
   //Get.put(LocationController());
 
-  requestLocationPermission();
+  //await PermissionController.checkAndRequestPermissions();
+  //requestLocationPermission();
+
+
 
   // startMemoryMonitoring();  // 2024-4-8 Akira: メモリ使用量のチェックを開始 See #2810
   Get.put(SettingsController()); // これを追加
@@ -143,10 +149,11 @@ void main() async {
    */
 
   runApp(const ProviderScope(child: MyApp()));
-
+  //runApp(HomePage()); // MyApp()からHomePage()に変更
   //runApp(const MyApp());
 }
 
+/*
 Future<void> requestLocationPermission() async {
   try {
     final status = await Permission.locationAlways.request();
@@ -160,6 +167,7 @@ Future<void> requestLocationPermission() async {
     print('Error requesting location permission: $e');
   }
 }
+*/
 
 
 // メモリ使用量の解説：https://qiita.com/hukusuke1007/items/e4e987836412e9bc73b9
@@ -289,6 +297,16 @@ Future<void> startBackgroundTracking() async {
     } catch (e) {
       print('Error starting background tracking: $e');
     }
+  }else if (Platform.isAndroid && background == false) {
+    background = true;
+    debugPrint("バックグラウンド処理を開始しました。");
+
+    try {
+      // 位置情報の権限が許可されているかを確認
+      await PermissionController.checkAndRequestPermissions();
+    }catch(e){
+      print('Error starting background tracking: $e');
+    }
   }
 }
 
@@ -321,8 +339,12 @@ Future<void> stopBackgroundTracking() async {
   }else if(Platform.isAndroid && background==true){
     background=false;
     debugPrint("バックグラウンド処理：停止しました。");
-    await positionStream?.cancel();
-    positionStream = null;
+    const platform = MethodChannel('location');
+    try {
+      await platform.invokeMethod('stopLocationService');
+    } on PlatformException catch (e) {
+      print("Failed to stop location service: '${e.message}'.");
+    }
   }
 }
 
@@ -344,6 +366,12 @@ class _MyAppState extends State<MyApp> with WidgetsBindingObserver {
     }
     WidgetsBinding.instance.addObserver(this);
 
+    /*
+    WidgetsBinding.instance.addPostFrameCallback((_) async {
+      await PermissionController.checkAndRequestPermissions();
+    });
+    */
+
     debugPrint("Start MyAppState...");
   }
 
@@ -458,6 +486,7 @@ class _MyAppState extends State<MyApp> with WidgetsBindingObserver {
 
   @override
   Widget build(BuildContext context) {
+
     return GetMaterialApp(
       translations: StringValues(),
       locale: const Locale('ja', 'JP'),
@@ -480,4 +509,7 @@ class _MyAppState extends State<MyApp> with WidgetsBindingObserver {
       enableLog: true,
     );
   }
+
+
+
 }