Fixed Location Permission issue on Android - 1
This commit is contained in:
@ -1,78 +1,156 @@
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:get/get.dart';
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import 'package:permission_handler/permission_handler.dart';
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import 'package:rogapp/routes/app_pages.dart';
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import 'package:rogapp/services/location_service.dart';
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import 'dart:developer' as developer;
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class PermissionHandlerScreen extends StatefulWidget {
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const PermissionHandlerScreen({Key? key}) : super(key: key);
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@override
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_PermissionHandlerScreenState createState() =>
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_PermissionHandlerScreenState();
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}
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class PermissionController {
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class _PermissionHandlerScreenState extends State<PermissionHandlerScreen> {
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@override
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void initState() {
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super.initState();
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WidgetsBinding.instance.addPostFrameCallback((_) {
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_checkPermissionStatus();
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});
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static Future<bool> checkLocationPermissions() async {
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debugPrint("(gifunavi)== checkLocationPermissions ==");
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final alwaysPermission = await Permission.locationAlways.status;
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final whenInUsePermission = await Permission.locationWhenInUse.status;
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final locationPermission = await Permission.location.status;
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return (alwaysPermission == PermissionStatus.granted || whenInUsePermission == PermissionStatus.granted) &&
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(locationPermission == PermissionStatus.granted);
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}
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Future<void> _checkPermissionStatus() async {
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PermissionStatus status = await Permission.location.status;
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static Future<bool> checkLocationBasicPermission() async {
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debugPrint("(gifunavi)== checkLocationBasicPermission ==");
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final locationPermission = await Permission.location.status;
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return locationPermission == PermissionStatus.granted;
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}
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if (status.isGranted) {
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if (context.mounted) {
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Get.offNamed(AppPages.LOGIN);
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static Future<bool> checkLocationWhenInUsePermission() async {
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debugPrint("(gifunavi)== checkLocationWhenInUsePermission ==");
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final whenInUsePermission = await Permission.locationWhenInUse.status;
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return whenInUsePermission == PermissionStatus.granted;
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}
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static Future<bool> checkLocationAlwaysPermission() async {
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debugPrint("(gifunavi)== checkLocationAlwaysPermission ==");
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final alwaysPermission = await Permission.locationAlways.status;
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return alwaysPermission == PermissionStatus.granted;
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}
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static bool isBasicPermission=false;
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static Future<void> requestLocationBasicPermissions() async {
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debugPrint("(gifunavi)== requestLocationBasicPermissions ==");
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try{
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if(!isBasicPermission){
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isBasicPermission=true;
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final locationStatus = await Permission.location.request();
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if (locationStatus != PermissionStatus.granted) {
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showPermissionDeniedDialog();
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}
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}
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} else {
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if (context.mounted) {
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_showPermissionRequestDialog();
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}catch (e, stackTrace){
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print('Exception: $e');
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print('Stack trace: $stackTrace');
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debugPrintStack(label: 'Exception occurred', stackTrace: stackTrace);
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}
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}
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static bool isLocationServiceRunning = false;
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static bool isRequestedWhenInUsePermission = false;
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static Future<void> requestLocationWhenInUsePermissions() async {
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debugPrint("(gifunavi)== requestLocationWhenInUsePermissions ==");
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try{
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if(!isRequestedWhenInUsePermission){
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isRequestedWhenInUsePermission=true;
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final whenInUseStatus = await Permission.locationWhenInUse.request();
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if (whenInUseStatus != PermissionStatus.granted) {
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showPermissionDeniedDialog();
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}else{
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if( !isLocationServiceRunning ){
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isLocationServiceRunning=true;
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const platform = MethodChannel('location');
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try {
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await platform.invokeMethod('startLocationService'); // Location Service を開始する。
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} on PlatformException catch (e) {
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debugPrint("Failed to start location service: '${e.message}'.");
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}
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}
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}
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}
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}catch (e, stackTrace){
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debugPrint('Exception: $e');
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debugPrint('Stack trace: $stackTrace');
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debugPrintStack(label: 'Exception occurred', stackTrace: stackTrace);
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}
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}
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static bool isRequestedAlwaysPermission = false;
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static Future<void> requestLocationAlwaysPermissions() async {
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debugPrint("(gifunavi)== requestLocationAlwaysPermissions ==");
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try {
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if( !isRequestedAlwaysPermission ){
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isRequestedAlwaysPermission=true;
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final alwaysStatus = await Permission.locationAlways.request();
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if (alwaysStatus != PermissionStatus.granted) {
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showPermissionDeniedDialog();
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}
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}
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}catch (e, stackTrace){
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print('Exception: $e');
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print('Stack trace: $stackTrace');
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debugPrintStack(label: 'Exception occurred', stackTrace: stackTrace);
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}
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}
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static Future<void> checkAndRequestPermissions() async {
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final hasPermissions = await checkLocationBasicPermission();
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if (!hasPermissions) {
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await requestLocationBasicPermissions();
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}
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final hasWIUPermissions = await checkLocationWhenInUsePermission();
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if (!hasWIUPermissions) {
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await requestLocationWhenInUsePermissions();
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}
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final hasAlwaysPermissions = await checkLocationAlwaysPermission();
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if (!hasAlwaysPermissions) {
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await requestLocationAlwaysPermissions();
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}
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}
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void _showPermissionRequestDialog() {
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showDialog(
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context: context,
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builder: (BuildContext context) {
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return AlertDialog(
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title: Text('location_permission_required_title'.tr),
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content: Text('location_permission_required_message'.tr),
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actions: [
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TextButton(
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child: Text('cancel'.tr),
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onPressed: () {
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Navigator.of(context).pop();
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Get.offNamed(AppPages.HOME);
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},
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),
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TextButton(
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child: Text('ok'.tr),
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onPressed: () {
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Navigator.of(context).pop();
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_requestLocationPermission();
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},
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),
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],
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);
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},
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static void showPermissionDeniedDialog() {
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Get.dialog(
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AlertDialog(
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title: Text('location_permission_needed_title'.tr),
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// 位置情報への許可が必要です
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content: Text('location_permission_needed_main'.tr),
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// 岐阜ロゲでは、位置情報を使用してスタート・チェックイン・ゴール等の通過照明及び移動手段の記録のために、位置情報のトラッキングを行なっています。このためバックグラウンドでもトラッキングができるように位置情報の権限が必要です。
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// 設定画面で、「岐阜ナビ」に対して、常に位置情報を許可するように設定してください。
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actions: [
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TextButton(
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child: Text('キャンセル'),
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onPressed: () => Get.back(),
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),
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TextButton(
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child: Text('設定'),
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onPressed: () {
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Get.back();
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openAppSettings();
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},
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),
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],
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),
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);
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}
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void _requestLocationPermission() async {
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final status = await Permission.location.request();
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if (status.isGranted) {
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Get.offNamed(AppPages.LOGIN);
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} else {
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Get.offNamed(AppPages.HOME);
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}
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(body: Container());
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}
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}
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@ -1,188 +0,0 @@
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import 'package:flutter/material.dart';
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import 'package:get/get.dart';
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import 'package:permission_handler/permission_handler.dart';
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import 'package:rogapp/routes/app_pages.dart';
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import 'dart:io';
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class PermissionHandlerScreen extends StatefulWidget {
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const PermissionHandlerScreen({Key? key}) : super(key: key);
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@override
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State<PermissionHandlerScreen> createState() =>
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_PermissionHandlerScreenState();
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}
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class _PermissionHandlerScreenState extends State<PermissionHandlerScreen> {
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@override
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void initState() {
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super.initState();
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WidgetsBinding.instance.addPostFrameCallback((_) {
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_checkPermissionStatus();
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});
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}
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Future<void> _checkPermissionStatus() async {
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PermissionStatus status = await Permission.location.status;
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if (status.isGranted) {
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if (context.mounted) {
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Get.toNamed(AppPages.LOGIN);
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}
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} else {
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if (context.mounted) {
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Get.toNamed(AppPages.HOME);
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}
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}
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}
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/*
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_checkPermissionStatus() async {
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PermissionStatus status = await Permission.location.status;
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if (status.isGranted == false) {
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if (context.mounted) {
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showAlert(context);
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}
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} else if (status.isPermanentlyDenied) {
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await requestPermission();
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} else {
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if (mounted) {
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Get.toNamed(AppPages.LOGIN);
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}
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}
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}
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*/
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void showAlert(BuildContext context) {
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showDialog(
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context: context,
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builder: (_) => AlertDialog(
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title: Text('location_permission_title'.tr),
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content: SingleChildScrollView(
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child: Text('location_permission_content'.tr),
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),
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actions: <Widget>[
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ElevatedButton(
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child: const Text('OK'),
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onPressed: () {
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Get.back();
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requestPermission();
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},
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),
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],
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));
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}
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// 要検討：位置情報の許可が拒否された場合、適切なエラーメッセージを表示することを検討してください。
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//
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/*
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Future<void> requestPermission() async {
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PermissionStatus permission = await Permission.location.status;
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if (permission == PermissionStatus.permanentlyDenied) {
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showPermanentAlert();
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} else {
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PermissionStatus newPermission = await Permission.location.request();
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if (newPermission != PermissionStatus.granted) {
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exit(0);
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} else {
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if (context.mounted) {
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Get.toNamed(AppPages.LOGIN);
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}
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}
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}
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}
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*/
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Future<void> requestPermission() async {
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PermissionStatus permission = await Permission.location.request();
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if (permission == PermissionStatus.granted) {
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if (context.mounted) {
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Get.toNamed(AppPages.LOGIN);
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}
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} else if (permission == PermissionStatus.denied) {
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await showLocationPermissionDeniedDialog();
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} else if (permission == PermissionStatus.permanentlyDenied) {
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await showPermanentlyDeniedDialog();
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}
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}
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Future<void> showLocationPermissionDeniedDialog() async {
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await showDialog(
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context: context,
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builder: (BuildContext context) {
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return AlertDialog(
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title: Text('location_permission_denied_title'.tr),
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content: Text('location_permission_denied_message'.tr),
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actions: [
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TextButton(
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child: Text('ok'.tr),
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onPressed: () => Navigator.of(context).pop(),
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),
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],
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);
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},
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);
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}
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Future<void> showPermanentlyDeniedDialog() async {
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await showDialog(
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context: context,
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builder: (BuildContext context) {
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return AlertDialog(
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title: Text('location_permission_permanently_denied_title'.tr),
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content: Text('location_permission_permanently_denied_message'.tr),
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actions: [
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TextButton(
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child: Text('open_settings'.tr),
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onPressed: () {
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Navigator.of(context).pop();
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openAppSettings();
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},
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),
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],
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);
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},
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);
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}
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@override
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Widget build(BuildContext context) {
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return const Scaffold(
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body: Text(""),
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);
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}
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// 要検討：ユーザーが位置情報の許可を拒否し続けた場合の対処方法を明確にすることをお勧めします。
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//
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void showPermanentAlert() {
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showDialog(
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context: context,
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builder: (_) => AlertDialog(
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title: Text('location_disabled_title'.tr),
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content: SingleChildScrollView(
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child: Text('location_disabled_content'.tr),
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),
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actions: <Widget>[
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ElevatedButton(
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child: const Text('OK'),
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onPressed: () async {
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await openAppSettings().then(
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(value) async {
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if (value) {
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if (await Permission
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.location.status.isPermanentlyDenied ==
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true &&
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await Permission.location.status.isGranted ==
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false) {
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requestPermission(); /* opens app settings until permission is granted */
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}
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}
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},
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);
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},
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),
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],
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));
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}
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}
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Reference in New Issue
Block a user