notif: Remove usages of package:flutter_local_notifications

Author: rajveermalviya

lib/model/binding.dart

@@ -3,7 +3,6 @@ import 'package:file_picker/file_picker.dart' as file_picker;
 import 'package:firebase_core/firebase_core.dart' as firebase_core;
 import 'package:firebase_messaging/firebase_messaging.dart' as firebase_messaging;
 import 'package:flutter/foundation.dart';
-import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 import 'package:image_picker/image_picker.dart' as image_picker;
 import 'package:package_info_plus/package_info_plus.dart' as package_info_plus;
 import 'package:url_launcher/url_launcher.dart' as url_launcher;
@@ -152,9 +151,6 @@ abstract class ZulipBinding {
   /// Wraps [firebase_messaging.FirebaseMessaging.onBackgroundMessage].
   void firebaseMessagingOnBackgroundMessage(firebase_messaging.BackgroundMessageHandler handler);
 
-  /// Wraps the [FlutterLocalNotificationsPlugin] singleton constructor.
-  FlutterLocalNotificationsPlugin get notifications;
-
   /// Wraps the [AndroidNotificationHostApi] constructor.
   AndroidNotificationHostApi get androidNotificationHost;
 
@@ -406,9 +402,6 @@ class LiveZulipBinding extends ZulipBinding {
     firebase_messaging.FirebaseMessaging.onBackgroundMessage(handler);
   }
 
-  @override
-  FlutterLocalNotificationsPlugin get notifications => FlutterLocalNotificationsPlugin();
-
   @override
   AndroidNotificationHostApi get androidNotificationHost => AndroidNotificationHostApi();
 

lib/notifications/display.dart

@@ -6,7 +6,6 @@ import 'package:collection/collection.dart';
 import 'package:crypto/crypto.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/widgets.dart';
-import 'package:flutter_local_notifications/flutter_local_notifications.dart' hide Person;
 
 import '../api/notifications.dart';
 import '../host/android_notifications.dart';
@@ -68,11 +67,6 @@ class NotificationChannelManager {
 /// Service for managing the notifications shown to the user.
 class NotificationDisplayManager {
   static Future<void> init() async {
-    await ZulipBinding.instance.notifications.initialize(
-      const InitializationSettings(
-        android: AndroidInitializationSettings('zulip_notification'),
-      ),
-    );
     await NotificationChannelManager._ensureChannel();
   }
 

test/model/binding.dart

@@ -3,7 +3,6 @@ import 'dart:async';
 import 'package:firebase_core/firebase_core.dart';
 import 'package:firebase_messaging/firebase_messaging.dart';
 import 'package:flutter/foundation.dart';
-import 'package:flutter_local_notifications/flutter_local_notifications.dart' hide Person;
 import 'package:test/fake.dart';
 import 'package:url_launcher/url_launcher.dart' as url_launcher;
 import 'package:zulip/host/android_notifications.dart';
@@ -269,17 +268,9 @@ class TestZulipBinding extends ZulipBinding {
   }
 
   void _resetNotifications() {
-    _notificationsPlugin = null;
     _androidNotificationHostApi = null;
   }
 
-  FakeFlutterLocalNotificationsPlugin? _notificationsPlugin;
-
-  @override
-  FakeFlutterLocalNotificationsPlugin get notifications {
-    return (_notificationsPlugin ??= FakeFlutterLocalNotificationsPlugin());
-  }
-
   FakeAndroidNotificationHostApi? _androidNotificationHostApi;
 
   @override
@@ -494,39 +485,6 @@ typedef FirebaseMessagingRequestPermissionCall = ({
   bool sound,
 });
 
-class FakeFlutterLocalNotificationsPlugin extends Fake implements FlutterLocalNotificationsPlugin {
-  InitializationSettings? initializationSettings;
-  DidReceiveNotificationResponseCallback? onDidReceiveNotificationResponse;
-  DidReceiveBackgroundNotificationResponseCallback? onDidReceiveBackgroundNotificationResponse;
-
-  @override
-  Future<bool?> initialize(
-    InitializationSettings initializationSettings, {
-    DidReceiveNotificationResponseCallback? onDidReceiveNotificationResponse,
-    DidReceiveBackgroundNotificationResponseCallback? onDidReceiveBackgroundNotificationResponse,
-  }) async {
-    assert(this.initializationSettings == null);
-    this.initializationSettings = initializationSettings;
-    this.onDidReceiveNotificationResponse = onDidReceiveNotificationResponse;
-    this.onDidReceiveBackgroundNotificationResponse = onDidReceiveBackgroundNotificationResponse;
-    return true;
-  }
-
-  /// The value to be returned by [getNotificationAppLaunchDetails].
-  NotificationAppLaunchDetails? appLaunchDetails;
-
-  @override
-  Future<NotificationAppLaunchDetails?> getNotificationAppLaunchDetails() {
-    return Future.value(appLaunchDetails);
-  }
-
-  void receiveNotificationResponse(NotificationResponse details) {
-    if (onDidReceiveNotificationResponse != null) {
-      onDidReceiveNotificationResponse!(details);
-    }
-  }
-}
-
 class FakeAndroidNotificationHostApi implements AndroidNotificationHostApi {
   /// Consume the log of calls made to [createNotificationChannel].
   ///