feat: integrate flutter_local_notifications for enhanced voice call notifications
- Added flutter_local_notifications dependency to manage notifications during voice calls. - Implemented notification handling in VoiceCallService to update call status and manage user interactions. - Enabled wake lock functionality to keep the screen on during calls and prevent audio interruptions. - Updated AndroidManifest.xml to include necessary permissions for Bluetooth and foreground services. - Enhanced notification actions to allow users to mute, unmute, or end calls directly from notifications.
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cogwheel0
225
lib/features/chat/services/voice_call_notification_service.dart
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225
lib/features/chat/services/voice_call_notification_service.dart
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import 'dart:io';
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import 'package:flutter_local_notifications/flutter_local_notifications.dart';
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/// Service to manage persistent notifications for voice calls
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class VoiceCallNotificationService {
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static final VoiceCallNotificationService _instance =
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VoiceCallNotificationService._internal();
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factory VoiceCallNotificationService() => _instance;
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VoiceCallNotificationService._internal();
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final FlutterLocalNotificationsPlugin _notifications =
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FlutterLocalNotificationsPlugin();
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bool _initialized = false;
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// Notification IDs and channels
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static const String _channelId = 'voice_call_channel';
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static const String _channelName = 'Voice Call';
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static const String _channelDescription =
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'Ongoing voice call notifications';
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static const int _notificationId = 2001;
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// Action IDs
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static const String _actionMute = 'mute_call';
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static const String _actionUnmute = 'unmute_call';
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static const String _actionEndCall = 'end_call';
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// Callback for handling notification actions
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void Function(String action)? onActionPressed;
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Future<void> initialize() async {
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if (_initialized) return;
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const androidSettings = AndroidInitializationSettings('@mipmap/ic_launcher');
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const iosSettings = DarwinInitializationSettings(
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requestAlertPermission: false,
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requestBadgePermission: false,
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requestSoundPermission: false,
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);
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const settings = InitializationSettings(
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android: androidSettings,
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iOS: iosSettings,
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);
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await _notifications.initialize(
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settings,
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onDidReceiveNotificationResponse: _handleNotificationResponse,
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onDidReceiveBackgroundNotificationResponse:
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_handleBackgroundNotificationResponse,
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);
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// Create notification channel for Android
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if (Platform.isAndroid) {
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await _createAndroidNotificationChannel();
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}
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_initialized = true;
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}
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Future<void> _createAndroidNotificationChannel() async {
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const androidChannel = AndroidNotificationChannel(
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_channelId,
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_channelName,
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description: _channelDescription,
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importance: Importance.high,
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playSound: false,
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enableVibration: false,
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showBadge: false,
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);
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await _notifications
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.resolvePlatformSpecificImplementation<
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AndroidFlutterLocalNotificationsPlugin>()
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?.createNotificationChannel(androidChannel);
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}
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void _handleNotificationResponse(NotificationResponse response) {
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final action = response.actionId;
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if (action != null && onActionPressed != null) {
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onActionPressed!(action);
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}
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}
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@pragma('vm:entry-point')
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static void _handleBackgroundNotificationResponse(
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NotificationResponse response,
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) {
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// Background action handling
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// Note: This runs in an isolate, so we can't directly call instance methods
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// Actions will be handled when app returns to foreground
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}
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/// Show ongoing voice call notification
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Future<void> showCallNotification({
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required String modelName,
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required bool isMuted,
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required bool isSpeaking,
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}) async {
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if (!_initialized) {
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print('VoiceCallNotification: Initializing...');
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await initialize();
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}
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print('VoiceCallNotification: Showing notification for $modelName (muted: $isMuted, speaking: $isSpeaking)');
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final status = isSpeaking ? 'Speaking...' : 'Listening...';
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final muteAction = isMuted ? 'Unmute' : 'Mute';
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final muteActionId = isMuted ? _actionUnmute : _actionMute;
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if (Platform.isAndroid) {
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final androidDetails = AndroidNotificationDetails(
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_channelId,
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_channelName,
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channelDescription: _channelDescription,
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importance: Importance.high,
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priority: Priority.high,
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ongoing: true,
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autoCancel: false,
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playSound: false,
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enableVibration: false,
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showWhen: true,
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usesChronometer: true,
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chronometerCountDown: false,
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category: AndroidNotificationCategory.call,
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visibility: NotificationVisibility.public,
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icon: '@mipmap/ic_launcher',
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colorized: false,
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actions: <AndroidNotificationAction>[
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AndroidNotificationAction(
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muteActionId,
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muteAction,
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icon: DrawableResourceAndroidBitmap(
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isMuted ? '@drawable/ic_mic_on' : '@drawable/ic_mic_off',
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),
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showsUserInterface: false,
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cancelNotification: false,
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),
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AndroidNotificationAction(
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_actionEndCall,
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'End Call',
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icon: DrawableResourceAndroidBitmap('@drawable/ic_call_end'),
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showsUserInterface: true,
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cancelNotification: true,
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),
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],
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);
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await _notifications.show(
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_notificationId,
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'Voice Call with $modelName',
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status,
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NotificationDetails(android: androidDetails),
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);
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} else if (Platform.isIOS) {
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// iOS doesn't support action buttons for ongoing notifications
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// Use a simpler persistent notification
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const iosDetails = DarwinNotificationDetails(
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presentAlert: true,
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presentBadge: false,
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presentSound: false,
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interruptionLevel: InterruptionLevel.timeSensitive,
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);
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await _notifications.show(
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_notificationId,
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'Voice Call with $modelName',
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status,
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const NotificationDetails(iOS: iosDetails),
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);
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}
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}
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/// Update notification status
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Future<void> updateCallStatus({
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required String modelName,
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required bool isMuted,
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required bool isSpeaking,
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}) async {
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await showCallNotification(
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modelName: modelName,
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isMuted: isMuted,
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isSpeaking: isSpeaking,
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);
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}
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/// Cancel the voice call notification
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Future<void> cancelNotification() async {
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await _notifications.cancel(_notificationId);
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}
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/// Check if notifications are enabled
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Future<bool> areNotificationsEnabled() async {
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if (Platform.isAndroid) {
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final androidImpl = _notifications.resolvePlatformSpecificImplementation<
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AndroidFlutterLocalNotificationsPlugin>();
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return await androidImpl?.areNotificationsEnabled() ?? false;
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} else if (Platform.isIOS) {
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// iOS doesn't have a direct check, assume enabled if initialized
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return _initialized;
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}
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return false;
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}
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/// Request notification permissions
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Future<bool> requestPermissions() async {
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if (Platform.isAndroid) {
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final androidImpl = _notifications.resolvePlatformSpecificImplementation<
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AndroidFlutterLocalNotificationsPlugin>();
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final granted = await androidImpl?.requestNotificationsPermission();
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return granted ?? false;
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} else if (Platform.isIOS) {
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final iosImpl = _notifications
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.resolvePlatformSpecificImplementation<IOSFlutterLocalNotificationsPlugin>();
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final granted = await iosImpl?.requestPermissions(
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alert: true,
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badge: false,
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sound: false,
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);
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return granted ?? false;
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}
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return false;
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}
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}
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