2024-09-02 ほぼOK
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@ -1,3 +1,5 @@
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import 'dart:io';
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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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@ -10,15 +12,6 @@ class PermissionController {
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static bool _isRequestingPermission = false;
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static Completer<bool>? _permissionCompleter;
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static Future<bool> checkLocationPermissions() async {
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final locationPermission = await Permission.location.status;
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final whenInUsePermission = await Permission.locationWhenInUse.status;
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final alwaysPermission = await Permission.locationAlways.status;
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return locationPermission == PermissionStatus.granted &&
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(whenInUsePermission == PermissionStatus.granted || alwaysPermission == PermissionStatus.granted);
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}
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static Future<bool> checkAndRequestPermissions() async {
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if (_isRequestingPermission) {
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return _permissionCompleter!.future;
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@ -27,13 +20,119 @@ class PermissionController {
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_isRequestingPermission = true;
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_permissionCompleter = Completer<bool>();
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bool hasPermissions = await checkLocationPermissions();
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try {
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bool hasPermissions = await _checkLocationPermissions();
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if (!hasPermissions) {
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bool userAgreed = await showLocationDisclosure();
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if (userAgreed) {
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if (Platform.isAndroid && !await _isAndroid13OrAbove()) {
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hasPermissions = await _requestAndroidPreS();
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} else {
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hasPermissions = await _requestAllLocationPermissions();
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}
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} else {
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print('User did not agree to location usage');
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hasPermissions = false;
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SystemNavigator.pop();
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}
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}
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_isRequestingPermission = false;
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_permissionCompleter!.complete(hasPermissions);
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} catch (e) {
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print('Error in permission request: $e');
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_isRequestingPermission = false;
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_permissionCompleter!.complete(false);
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}
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return _permissionCompleter!.future;
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}
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static Future<bool> _checkLocationPermissions() async {
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final locationPermission = await Permission.location.status;
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final whenInUsePermission = await Permission.locationWhenInUse.status;
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final alwaysPermission = await Permission.locationAlways.status;
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return locationPermission == PermissionStatus.granted &&
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(whenInUsePermission == PermissionStatus.granted || alwaysPermission == PermissionStatus.granted);
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}
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static Future<bool> _requestAllLocationPermissions() async {
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await Permission.location.request();
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await Permission.locationWhenInUse.request();
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final alwaysStatus = await Permission.locationAlways.request();
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return alwaysStatus == PermissionStatus.granted;
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}
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static Future<bool> _requestAndroidPreS() async {
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await Permission.location.request();
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await Permission.locationWhenInUse.request();
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// Android 13以前では、ユーザーに設定画面で権限を許可するように促す
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await showDialog(
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context: Get.context!,
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builder: (context) => AlertDialog(
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title: Text('バックグラウンド位置情報の許可'),
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content: Text('アプリの設定画面で「常に許可」を選択してください。'),
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actions: [
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TextButton(
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child: Text('設定を開く'),
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onPressed: () {
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openAppSettings();
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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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// 設定画面から戻ってきた後、再度権限をチェック
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return await Permission.locationAlways.isGranted;
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}
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static Future<bool> _isAndroid13OrAbove() async {
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if (Platform.isAndroid) {
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final androidVersion = int.tryParse(Platform.operatingSystemVersion.split('.').first) ?? 0;
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return androidVersion >= 13;
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}
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return false;
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}
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static Future<bool> checkLocationPermissions_old() async {
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final locationPermission = await Permission.location.status;
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if (locationPermission.isDenied) {
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await showLocationDisclosure();
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final result = await Permission.location.request();
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if (result.isDenied) {
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await openAppSettings();
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}
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}
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final whenInUsePermission = await Permission.locationWhenInUse.status;
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final alwaysPermission = await Permission.locationAlways.status;
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return locationPermission == PermissionStatus.granted &&
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(whenInUsePermission == PermissionStatus.granted || alwaysPermission == PermissionStatus.granted);
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}
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static Future<bool> checkAndRequestPermissions_old() async {
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if (_isRequestingPermission) {
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return _permissionCompleter!.future;
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}
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_isRequestingPermission = true;
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_permissionCompleter = Completer<bool>();
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bool hasPermissions = await _checkLocationPermissions();
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if (!hasPermissions) {
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bool userAgreed = await showLocationDisclosure();
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if (userAgreed) {
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try {
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await requestAllLocationPermissions();
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hasPermissions = await checkLocationPermissions();
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hasPermissions = await _checkLocationPermissions();
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} catch (e) {
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print('Error requesting location permissions: $e');
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hasPermissions = false;
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@ -48,6 +147,8 @@ class PermissionController {
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_isRequestingPermission = false;
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_permissionCompleter!.complete(hasPermissions);
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debugPrint("Finish checkAndRequestPermissions...");
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return _permissionCompleter!.future;
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}
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@ -67,35 +168,51 @@ class PermissionController {
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}
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static Future<bool> showLocationDisclosure() async {
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return await Get.dialog<bool>(
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AlertDialog(
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title: const Text('位置情報の使用について'),
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content: const SingleChildScrollView(
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child: ListBody(
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children: <Widget>[
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Text('このアプリでは、以下の目的で位置情報を使用します：'),
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Text('• チェックポイントの自動チェックイン（アプリが閉じているときも含む）'),
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Text('• 移動履歴の記録（バックグラウンドでも継続）'),
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Text('• 現在地周辺の情報表示'),
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Text('\nバックグラウンドでも位置情報を継続的に取得します。'),
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Text('これにより、バッテリーの消費が増加する可能性があります。'),
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Text('同意しない場合には、アプリは終了します。'),
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],
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if (Get.context == null) {
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print('Context is null, cannot show dialog');
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return false;
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}
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if (Get.isDialogOpen ?? false) {
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print('A dialog is already open');
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return false;
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}
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try {
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final result = await Get.dialog<bool>(
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AlertDialog(
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title: const Text('位置情報の使用について'),
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content: const SingleChildScrollView(
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child: ListBody(
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children: <Widget>[
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Text('このアプリでは、以下の目的で位置情報を使用します：'),
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Text(
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'• チェックポイントの自動チェックイン（アプリが閉じているときも含む）'),
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Text('• 移動履歴の記録（バックグラウンドでも継続）'),
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Text('• 現在地周辺の情報表示'),
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Text('\nバックグラウンドでも位置情報を継続的に取得します。'),
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Text('これにより、バッテリーの消費が増加する可能性があります。'),
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Text('同意しない場合には、アプリは終了します。'),
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],
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),
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),
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actions: <Widget>[
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TextButton(
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child: const Text('同意しない'),
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onPressed: () => Get.back(result: false),
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),
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TextButton(
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child: const Text('同意する'),
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onPressed: () => Get.back(result: true),
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),
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],
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),
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actions: <Widget>[
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TextButton(
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child: const Text('同意しない'),
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onPressed: () => Get.back(result: false),
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),
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TextButton(
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child: const Text('同意する'),
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onPressed: () => Get.back(result: true),
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),
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],
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),
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barrierDismissible: false,
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) ?? false;
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barrierDismissible: false,
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);
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return result ?? false;
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}catch(e){
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print('Dialog error: $e');
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return false;
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}
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}
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static void showPermissionDeniedDialog(String title,String message) {
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