diff --git a/flutter/lib/main.dart b/flutter/lib/main.dart
index 42c08da..8c960c5 100644
--- a/flutter/lib/main.dart
+++ b/flutter/lib/main.dart
@@ -12,6 +12,7 @@ import 'package:simplecloudnotifier/nav_layout.dart';
 import 'package:simplecloudnotifier/state/app_bar_state.dart';
 import 'package:simplecloudnotifier/state/app_theme.dart';
 import 'package:simplecloudnotifier/state/application_log.dart';
+import 'package:simplecloudnotifier/state/fb_message.dart';
 import 'package:simplecloudnotifier/state/globals.dart';
 import 'package:simplecloudnotifier/state/request_log.dart';
 import 'package:simplecloudnotifier/state/app_auth.dart';
@@ -40,6 +41,7 @@ void main() async {
   Hive.registerAdapter(SCNLogLevelAdapter());
   Hive.registerAdapter(MessageAdapter());
   Hive.registerAdapter(ChannelAdapter());
+  Hive.registerAdapter(FBMessageAdapter());
 
   print('[INIT] Load Hive<scn-requests>...');
 
@@ -81,6 +83,16 @@ void main() async {
     ApplicationLog.error('Failed to open Hive-Box: scn-channel-cache' + exc.toString(), trace: trace);
   }
 
+  print('[INIT] Load Hive<scn-fb-messages>...');
+
+  try {
+    await Hive.openBox<FBMessage>('scn-fb-messages');
+  } catch (exc, trace) {
+    Hive.deleteBoxFromDisk('scn-fb-messages');
+    await Hive.openBox<FBMessage>('scn-fb-messages');
+    ApplicationLog.error('Failed to open Hive-Box: scn-fb-messages' + exc.toString(), trace: trace);
+  }
+
   print('[INIT] Load AppAuth...');
 
   final appAuth = AppAuth(); // ensure UserAccount is loaded
@@ -128,6 +140,9 @@ void main() async {
     } catch (exc, trace) {
       ApplicationLog.error('Failed to get+set firebase token: ' + exc.toString(), trace: trace);
     }
+
+    FirebaseMessaging.onBackgroundMessage(_onBackgroundMessage);
+    FirebaseMessaging.onMessage.listen(_onForegroundMessage);
   } else {
     print('[INIT] Skip Firebase init (Platform == Linux)...');
   }
@@ -146,6 +161,33 @@ void main() async {
   );
 }
 
+class SCNApp extends StatelessWidget {
+  SCNApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return ToastificationWrapper(
+      config: ToastificationConfig(
+        itemWidth: 440,
+        marginBuilder: (alignment) => EdgeInsets.symmetric(vertical: 64),
+        animationDuration: Duration(milliseconds: 200),
+      ),
+      child: Consumer<AppTheme>(
+        builder: (context, appTheme, child) => MaterialApp(
+          title: 'SimpleCloudNotifier',
+          navigatorObservers: [Navi.routeObserver, Navi.modalRouteObserver],
+          theme: ThemeData(
+            //TODO color settings
+            colorScheme: ColorScheme.fromSeed(seedColor: Colors.blue, brightness: appTheme.darkMode ? Brightness.dark : Brightness.light),
+            useMaterial3: true,
+          ),
+          home: SCNNavLayout(),
+        ),
+      ),
+    );
+  }
+}
+
 void setFirebaseToken(String fcmToken) async {
   final acc = AppAuth();
 
@@ -182,29 +224,18 @@ void setFirebaseToken(String fcmToken) async {
   }
 }
 
-class SCNApp extends StatelessWidget {
-  SCNApp({super.key});
-
-  @override
-  Widget build(BuildContext context) {
-    return ToastificationWrapper(
-      config: ToastificationConfig(
-        itemWidth: 440,
-        marginBuilder: (alignment) => EdgeInsets.symmetric(vertical: 64),
-        animationDuration: Duration(milliseconds: 200),
-      ),
-      child: Consumer<AppTheme>(
-        builder: (context, appTheme, child) => MaterialApp(
-          title: 'SimpleCloudNotifier',
-          navigatorObservers: [Navi.routeObserver, Navi.modalRouteObserver],
-          theme: ThemeData(
-            //TODO color settings
-            colorScheme: ColorScheme.fromSeed(seedColor: Colors.blue, brightness: appTheme.darkMode ? Brightness.dark : Brightness.light),
-            useMaterial3: true,
-          ),
-          home: SCNNavLayout(),
-        ),
-      ),
-    );
-  }
+Future<void> _onBackgroundMessage(RemoteMessage message) async {
+  await _receiveMessage(message, false);
+}
+
+void _onForegroundMessage(RemoteMessage message) {
+  _receiveMessage(message, true);
+}
+
+Future<void> _receiveMessage(RemoteMessage message, bool foreground) async {
+  // ensure init
+  Hive.openBox<SCNLog>('scn-logs');
+
+  ApplicationLog.info('Received FB message (${foreground ? 'foreground' : 'background'}): ${message.messageId ?? 'NULL'}');
+  FBMessageLog.insert(message);
 }
diff --git a/flutter/lib/pages/debug/debug_persistence.dart b/flutter/lib/pages/debug/debug_persistence.dart
index e02a52f..44d3328 100644
--- a/flutter/lib/pages/debug/debug_persistence.dart
+++ b/flutter/lib/pages/debug/debug_persistence.dart
@@ -6,6 +6,8 @@ import 'package:simplecloudnotifier/models/message.dart';
 import 'package:simplecloudnotifier/pages/debug/debug_persistence_hive.dart';
 import 'package:simplecloudnotifier/pages/debug/debug_persistence_sharedprefs.dart';
 import 'package:simplecloudnotifier/state/application_log.dart';
+import 'package:simplecloudnotifier/state/fb_message.dart';
+import 'package:simplecloudnotifier/state/interfaces.dart';
 import 'package:simplecloudnotifier/state/request_log.dart';
 import 'package:simplecloudnotifier/utils/navi.dart';
 
@@ -31,98 +33,56 @@ class _DebugPersistencePageState extends State<DebugPersistencePage> {
         mainAxisAlignment: MainAxisAlignment.start,
         crossAxisAlignment: CrossAxisAlignment.stretch,
         children: [
-          Card.outlined(
-            child: Padding(
-              padding: const EdgeInsets.all(8.0),
-              child: GestureDetector(
-                onTap: () {
-                  Navi.push(context, () => DebugSharedPrefPage(sharedPref: prefs!));
-                },
-                child: Row(
-                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
-                  children: [
-                    SizedBox(width: 30, child: Text('')),
-                    Expanded(child: Text('Shared Preferences', style: TextStyle(fontWeight: FontWeight.bold), textAlign: TextAlign.center)),
-                    SizedBox(width: 40, child: Text('${prefs?.getKeys().length.toString()}', textAlign: TextAlign.end)),
-                  ],
-                ),
-              ),
-            ),
-          ),
-          Card.outlined(
-            child: Padding(
-              padding: const EdgeInsets.all(8.0),
-              child: GestureDetector(
-                onTap: () {
-                  Navi.push(context, () => DebugHiveBoxPage(boxName: 'scn-requests', box: Hive.box<SCNRequest>('scn-requests')));
-                },
-                child: Row(
-                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
-                  children: [
-                    SizedBox(width: 30, child: Text('')),
-                    Expanded(child: Text('Hive [scn-requests]', style: TextStyle(fontWeight: FontWeight.bold), textAlign: TextAlign.center)),
-                    SizedBox(width: 40, child: Text('${Hive.box<SCNRequest>('scn-requests').length.toString()}', textAlign: TextAlign.end)),
-                  ],
-                ),
-              ),
-            ),
-          ),
-          Card.outlined(
-            child: Padding(
-              padding: const EdgeInsets.all(8.0),
-              child: GestureDetector(
-                onTap: () {
-                  Navi.push(context, () => DebugHiveBoxPage(boxName: 'scn-requests', box: Hive.box<SCNLog>('scn-logs')));
-                },
-                child: Row(
-                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
-                  children: [
-                    SizedBox(width: 30, child: Text('')),
-                    Expanded(child: Text('Hive [scn-logs]', style: TextStyle(fontWeight: FontWeight.bold), textAlign: TextAlign.center)),
-                    SizedBox(width: 40, child: Text('${Hive.box<SCNLog>('scn-logs').length.toString()}', textAlign: TextAlign.end)),
-                  ],
-                ),
-              ),
-            ),
-          ),
-          Card.outlined(
-            child: Padding(
-              padding: const EdgeInsets.all(8.0),
-              child: GestureDetector(
-                onTap: () {
-                  Navi.push(context, () => DebugHiveBoxPage(boxName: 'scn-message-cache', box: Hive.box<Message>('scn-message-cache')));
-                },
-                child: Row(
-                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
-                  children: [
-                    SizedBox(width: 30, child: Text('')),
-                    Expanded(child: Text('Hive [scn-message-cache]', style: TextStyle(fontWeight: FontWeight.bold), textAlign: TextAlign.center)),
-                    SizedBox(width: 40, child: Text('${Hive.box<Message>('scn-message-cache').length.toString()}', textAlign: TextAlign.end)),
-                  ],
-                ),
-              ),
-            ),
-          ),
-          Card.outlined(
-            child: Padding(
-              padding: const EdgeInsets.all(8.0),
-              child: GestureDetector(
-                onTap: () {
-                  Navi.push(context, () => DebugHiveBoxPage(boxName: 'scn-channel-cache', box: Hive.box<Channel>('scn-channel-cache')));
-                },
-                child: Row(
-                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
-                  children: [
-                    SizedBox(width: 30, child: Text('')),
-                    Expanded(child: Text('Hive [scn-channel-cache]', style: TextStyle(fontWeight: FontWeight.bold), textAlign: TextAlign.center)),
-                    SizedBox(width: 40, child: Text('${Hive.box<Channel>('scn-channel-cache').length.toString()}', textAlign: TextAlign.end)),
-                  ],
-                ),
-              ),
-            ),
-          ),
+          _buildSharedPrefCard(context),
+          _buildHiveCard(context, () => Hive.box<SCNRequest>('scn-requests'), 'scn-requests'),
+          _buildHiveCard(context, () => Hive.box<SCNLog>('scn-logs'), 'scn-logs'),
+          _buildHiveCard(context, () => Hive.box<Message>('scn-message-cache'), 'scn-message-cache'),
+          _buildHiveCard(context, () => Hive.box<Channel>('scn-channel-cache'), 'scn-channel-cache'),
+          _buildHiveCard(context, () => Hive.box<FBMessage>('scn-fb-messages'), 'scn-fb-messages'),
         ],
       ),
     );
   }
+
+  Widget _buildSharedPrefCard(BuildContext context) {
+    return Card.outlined(
+      child: Padding(
+        padding: const EdgeInsets.all(8.0),
+        child: GestureDetector(
+          onTap: () {
+            Navi.push(context, () => DebugSharedPrefPage(sharedPref: prefs!));
+          },
+          child: Row(
+            mainAxisAlignment: MainAxisAlignment.spaceBetween,
+            children: [
+              SizedBox(width: 30, child: Text('')),
+              Expanded(child: Text('Shared Preferences', style: TextStyle(fontWeight: FontWeight.bold), textAlign: TextAlign.center)),
+              SizedBox(width: 40, child: Text('${prefs?.getKeys().length.toString()}', textAlign: TextAlign.end)),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+
+  Widget _buildHiveCard(BuildContext context, Box<FieldDebuggable> Function() boxFunc, String boxname) {
+    return Card.outlined(
+      child: Padding(
+        padding: const EdgeInsets.all(8.0),
+        child: GestureDetector(
+          onTap: () {
+            Navi.push(context, () => DebugHiveBoxPage(boxName: boxname, box: Hive.box<FBMessage>(boxname)));
+          },
+          child: Row(
+            mainAxisAlignment: MainAxisAlignment.spaceBetween,
+            children: [
+              SizedBox(width: 30, child: Text('')),
+              Expanded(child: Text('Hive [$boxname]', style: TextStyle(fontWeight: FontWeight.bold), textAlign: TextAlign.center)),
+              SizedBox(width: 40, child: Text('${boxFunc().length.toString()}', textAlign: TextAlign.end)),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
 }
diff --git a/flutter/lib/state/fb_message.dart b/flutter/lib/state/fb_message.dart
new file mode 100644
index 0000000..b57e372
--- /dev/null
+++ b/flutter/lib/state/fb_message.dart
@@ -0,0 +1,236 @@
+import 'package:firebase_messaging/firebase_messaging.dart';
+import 'package:hive_flutter/hive_flutter.dart';
+import 'package:simplecloudnotifier/state/interfaces.dart';
+
+part 'fb_message.g.dart';
+
+class FBMessageLog {
+  //TODO max size, auto clear old
+
+  static void insert(RemoteMessage msg) {
+    Hive.box<FBMessage>('scn-fb-messages').add(FBMessage.fromRemoteMessage(msg));
+  }
+}
+
+@HiveType(typeId: 106)
+class FBMessage extends HiveObject implements FieldDebuggable {
+  @HiveField(0)
+  final String? senderId;
+  @HiveField(1)
+  final String? category;
+  @HiveField(2)
+  final String? collapseKey;
+  @HiveField(3)
+  final bool contentAvailable;
+  @HiveField(4)
+  final Map<String, String> data;
+  @HiveField(5)
+  final String? from;
+  @HiveField(6)
+  final String? messageId;
+  @HiveField(7)
+  final String? messageType;
+  @HiveField(8)
+  final bool mutableContent;
+  @HiveField(9)
+  final RemoteNotification? notification;
+  @HiveField(10)
+  final DateTime? sentTime;
+  @HiveField(11)
+  final String? threadId;
+  @HiveField(12)
+  final int? ttl;
+
+  @HiveField(20)
+  final String? notificationAndroidChannelId;
+  @HiveField(21)
+  final String? notificationAndroidClickAction;
+  @HiveField(22)
+  final String? notificationAndroidColor;
+  @HiveField(23)
+  final int? notificationAndroidCount;
+  @HiveField(24)
+  final String? notificationAndroidImageUrl;
+  @HiveField(25)
+  final String? notificationAndroidLink;
+  @HiveField(26)
+  final AndroidNotificationPriority? notificationAndroidPriority;
+  @HiveField(27)
+  final String? notificationAndroidSmallIcon;
+  @HiveField(28)
+  final String? notificationAndroidSound;
+  @HiveField(29)
+  final String? notificationAndroidTicker;
+  @HiveField(30)
+  final AndroidNotificationVisibility? notificationAndroidVisibility;
+  @HiveField(31)
+  final String? notificationAndroidTag;
+
+  @HiveField(40)
+  final String? notificationAppleBadge;
+  @HiveField(41)
+  final AppleNotificationSound? notificationAppleSound;
+  @HiveField(42)
+  final String? notificationAppleImageUrl;
+  @HiveField(43)
+  final String? notificationAppleSubtitle;
+  @HiveField(44)
+  final List<String>? notificationAppleSubtitleLocArgs;
+  @HiveField(45)
+  final String? notificationAppleSubtitleLocKey;
+
+  @HiveField(50)
+  final String? notificationWebAnalyticsLabel;
+  @HiveField(51)
+  final String? notificationWebImage;
+  @HiveField(52)
+  final String? notificationWebLink;
+
+  @HiveField(60)
+  final String? notificationTitle;
+  @HiveField(61)
+  final List<String>? notificationTitleLocArgs;
+  @HiveField(62)
+  final String? notificationTitleLocKey;
+  @HiveField(63)
+  final String? notificationBody;
+  @HiveField(64)
+  final List<String>? notificationBodyLocArgs;
+  @HiveField(65)
+  final String? notificationBodyLocKey;
+
+  FBMessage({
+    required this.senderId,
+    required this.category,
+    required this.collapseKey,
+    required this.contentAvailable,
+    required this.data,
+    required this.from,
+    required this.messageId,
+    required this.messageType,
+    required this.mutableContent,
+    required this.notification,
+    required this.sentTime,
+    required this.threadId,
+    required this.ttl,
+    required this.notificationAndroidChannelId,
+    required this.notificationAndroidClickAction,
+    required this.notificationAndroidColor,
+    required this.notificationAndroidCount,
+    required this.notificationAndroidImageUrl,
+    required this.notificationAndroidLink,
+    required this.notificationAndroidPriority,
+    required this.notificationAndroidSmallIcon,
+    required this.notificationAndroidSound,
+    required this.notificationAndroidTicker,
+    required this.notificationAndroidVisibility,
+    required this.notificationAndroidTag,
+    required this.notificationAppleBadge,
+    required this.notificationAppleSound,
+    required this.notificationAppleImageUrl,
+    required this.notificationAppleSubtitle,
+    required this.notificationAppleSubtitleLocArgs,
+    required this.notificationAppleSubtitleLocKey,
+    required this.notificationWebAnalyticsLabel,
+    required this.notificationWebImage,
+    required this.notificationWebLink,
+    required this.notificationTitle,
+    required this.notificationTitleLocArgs,
+    required this.notificationTitleLocKey,
+    required this.notificationBody,
+    required this.notificationBodyLocArgs,
+    required this.notificationBodyLocKey,
+  });
+
+  FBMessage.fromRemoteMessage(RemoteMessage rmsg)
+      : this.senderId = rmsg.senderId,
+        this.category = rmsg.category,
+        this.collapseKey = rmsg.collapseKey,
+        this.contentAvailable = rmsg.contentAvailable,
+        this.data = rmsg.data.map((key, value) => MapEntry(key, value?.toString() ?? '')),
+        this.from = rmsg.from,
+        this.messageId = rmsg.messageId,
+        this.messageType = rmsg.messageType,
+        this.mutableContent = rmsg.mutableContent,
+        this.notification = rmsg.notification,
+        this.sentTime = rmsg.sentTime,
+        this.threadId = rmsg.threadId,
+        this.ttl = rmsg.ttl,
+        this.notificationAndroidChannelId = rmsg.notification?.android?.channelId,
+        this.notificationAndroidClickAction = rmsg.notification?.android?.clickAction,
+        this.notificationAndroidColor = rmsg.notification?.android?.color,
+        this.notificationAndroidCount = rmsg.notification?.android?.count,
+        this.notificationAndroidImageUrl = rmsg.notification?.android?.imageUrl,
+        this.notificationAndroidLink = rmsg.notification?.android?.link,
+        this.notificationAndroidPriority = rmsg.notification?.android?.priority,
+        this.notificationAndroidSmallIcon = rmsg.notification?.android?.smallIcon,
+        this.notificationAndroidSound = rmsg.notification?.android?.sound,
+        this.notificationAndroidTicker = rmsg.notification?.android?.ticker,
+        this.notificationAndroidVisibility = rmsg.notification?.android?.visibility,
+        this.notificationAndroidTag = rmsg.notification?.android?.tag,
+        this.notificationAppleBadge = rmsg.notification?.apple?.badge,
+        this.notificationAppleSound = rmsg.notification?.apple?.sound,
+        this.notificationAppleImageUrl = rmsg.notification?.apple?.imageUrl,
+        this.notificationAppleSubtitle = rmsg.notification?.apple?.subtitle,
+        this.notificationAppleSubtitleLocArgs = rmsg.notification?.apple?.subtitleLocArgs,
+        this.notificationAppleSubtitleLocKey = rmsg.notification?.apple?.subtitleLocKey,
+        this.notificationWebAnalyticsLabel = rmsg.notification?.web?.analyticsLabel,
+        this.notificationWebImage = rmsg.notification?.web?.image,
+        this.notificationWebLink = rmsg.notification?.web?.link,
+        this.notificationTitle = rmsg.notification?.title,
+        this.notificationTitleLocArgs = rmsg.notification?.titleLocArgs,
+        this.notificationTitleLocKey = rmsg.notification?.titleLocKey,
+        this.notificationBody = rmsg.notification?.body,
+        this.notificationBodyLocArgs = rmsg.notification?.bodyLocArgs,
+        this.notificationBodyLocKey = rmsg.notification?.bodyLocKey {}
+
+  @override
+  String toString() {
+    return 'FBMessage[${this.messageId ?? 'NULL'}]';
+  }
+
+  List<(String, String)> debugFieldList() {
+    return [
+      ('senderId', this.senderId ?? ''),
+      ('category', this.category ?? ''),
+      ('collapseKey', this.collapseKey ?? ''),
+      ('contentAvailable', this.contentAvailable.toString()),
+      ('data', this.data.toString()),
+      ('from', this.from ?? ''),
+      ('messageId', this.messageId ?? ''),
+      ('messageType', this.messageType ?? ''),
+      ('mutableContent', this.mutableContent.toString()),
+      ('notification', this.notification?.toString() ?? ''),
+      ('sentTime', this.sentTime?.toString() ?? ''),
+      ('threadId', this.threadId ?? ''),
+      ('ttl', this.ttl?.toString() ?? ''),
+      ('notification.Android.ChannelId', this.notificationAndroidChannelId ?? ''),
+      ('notification.Android.ClickAction', this.notificationAndroidClickAction ?? ''),
+      ('notification.Android.Color', this.notificationAndroidColor ?? ''),
+      ('notification.Android.Count', this.notificationAndroidCount?.toString() ?? ''),
+      ('notification.Android.ImageUrl', this.notificationAndroidImageUrl ?? ''),
+      ('notification.Android.Link', this.notificationAndroidLink ?? ''),
+      ('notification.Android.Priority', this.notificationAndroidPriority?.toString() ?? ''),
+      ('notification.Android.SmallIcon', this.notificationAndroidSmallIcon ?? ''),
+      ('notification.Android.Sound', this.notificationAndroidSound ?? ''),
+      ('notification.Android.Ticker', this.notificationAndroidTicker ?? ''),
+      ('notification.Android.Visibility', this.notificationAndroidVisibility?.toString() ?? ''),
+      ('notification.Android.Tag', this.notificationAndroidTag ?? ''),
+      ('notification.Apple.Badge', this.notificationAppleBadge ?? ''),
+      ('notification.Apple.Sound', this.notificationAppleSound?.toString() ?? ''),
+      ('notification.Apple.ImageUrl', this.notificationAppleImageUrl ?? ''),
+      ('notification.Apple.Subtitle', this.notificationAppleSubtitle ?? ''),
+      ('notification.Apple.SubtitleLocArgs', this.notificationAppleSubtitleLocArgs?.toString() ?? ''),
+      ('notification.Apple.SubtitleLocKey', this.notificationAppleSubtitleLocKey ?? ''),
+      ('notification.Web.AnalyticsLabel', this.notificationWebAnalyticsLabel ?? ''),
+      ('notification.Web.Image', this.notificationWebImage ?? ''),
+      ('notification.Web.Link', this.notificationWebLink ?? ''),
+      ('notification.Title', this.notificationTitle ?? ''),
+      ('notification.TitleLocArgs', this.notificationTitleLocArgs?.toString() ?? ''),
+      ('notification.TitleLocKey', this.notificationTitleLocKey ?? ''),
+      ('notification.Body', this.notificationBody ?? ''),
+      ('notification.BodyLocArgs', this.notificationBodyLocArgs?.toString() ?? ''),
+      ('notification.BodyLocKey', this.notificationBodyLocKey ?? ''),
+    ];
+  }
+}
diff --git a/flutter/lib/state/fb_message.g.dart b/flutter/lib/state/fb_message.g.dart
new file mode 100644
index 0000000..e10f640
--- /dev/null
+++ b/flutter/lib/state/fb_message.g.dart
@@ -0,0 +1,159 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'fb_message.dart';
+
+// **************************************************************************
+// TypeAdapterGenerator
+// **************************************************************************
+
+class FBMessageAdapter extends TypeAdapter<FBMessage> {
+  @override
+  final int typeId = 106;
+
+  @override
+  FBMessage read(BinaryReader reader) {
+    final numOfFields = reader.readByte();
+    final fields = <int, dynamic>{
+      for (int i = 0; i < numOfFields; i++) reader.readByte(): reader.read(),
+    };
+    return FBMessage(
+      senderId: fields[0] as String?,
+      category: fields[1] as String?,
+      collapseKey: fields[2] as String?,
+      contentAvailable: fields[3] as bool,
+      data: (fields[4] as Map).cast<String, String>(),
+      from: fields[5] as String?,
+      messageId: fields[6] as String?,
+      messageType: fields[7] as String?,
+      mutableContent: fields[8] as bool,
+      notification: fields[9] as RemoteNotification?,
+      sentTime: fields[10] as DateTime?,
+      threadId: fields[11] as String?,
+      ttl: fields[12] as int?,
+      notificationAndroidChannelId: fields[20] as String?,
+      notificationAndroidClickAction: fields[21] as String?,
+      notificationAndroidColor: fields[22] as String?,
+      notificationAndroidCount: fields[23] as int?,
+      notificationAndroidImageUrl: fields[24] as String?,
+      notificationAndroidLink: fields[25] as String?,
+      notificationAndroidPriority: fields[26] as AndroidNotificationPriority?,
+      notificationAndroidSmallIcon: fields[27] as String?,
+      notificationAndroidSound: fields[28] as String?,
+      notificationAndroidTicker: fields[29] as String?,
+      notificationAndroidVisibility:
+          fields[30] as AndroidNotificationVisibility?,
+      notificationAndroidTag: fields[31] as String?,
+      notificationAppleBadge: fields[40] as String?,
+      notificationAppleSound: fields[41] as AppleNotificationSound?,
+      notificationAppleImageUrl: fields[42] as String?,
+      notificationAppleSubtitle: fields[43] as String?,
+      notificationAppleSubtitleLocArgs: (fields[44] as List?)?.cast<String>(),
+      notificationAppleSubtitleLocKey: fields[45] as String?,
+      notificationWebAnalyticsLabel: fields[50] as String?,
+      notificationWebImage: fields[51] as String?,
+      notificationWebLink: fields[52] as String?,
+      notificationTitle: fields[60] as String?,
+      notificationTitleLocArgs: (fields[61] as List?)?.cast<String>(),
+      notificationTitleLocKey: fields[62] as String?,
+      notificationBody: fields[63] as String?,
+      notificationBodyLocArgs: (fields[64] as List?)?.cast<String>(),
+      notificationBodyLocKey: fields[65] as String?,
+    );
+  }
+
+  @override
+  void write(BinaryWriter writer, FBMessage obj) {
+    writer
+      ..writeByte(40)
+      ..writeByte(0)
+      ..write(obj.senderId)
+      ..writeByte(1)
+      ..write(obj.category)
+      ..writeByte(2)
+      ..write(obj.collapseKey)
+      ..writeByte(3)
+      ..write(obj.contentAvailable)
+      ..writeByte(4)
+      ..write(obj.data)
+      ..writeByte(5)
+      ..write(obj.from)
+      ..writeByte(6)
+      ..write(obj.messageId)
+      ..writeByte(7)
+      ..write(obj.messageType)
+      ..writeByte(8)
+      ..write(obj.mutableContent)
+      ..writeByte(9)
+      ..write(obj.notification)
+      ..writeByte(10)
+      ..write(obj.sentTime)
+      ..writeByte(11)
+      ..write(obj.threadId)
+      ..writeByte(12)
+      ..write(obj.ttl)
+      ..writeByte(20)
+      ..write(obj.notificationAndroidChannelId)
+      ..writeByte(21)
+      ..write(obj.notificationAndroidClickAction)
+      ..writeByte(22)
+      ..write(obj.notificationAndroidColor)
+      ..writeByte(23)
+      ..write(obj.notificationAndroidCount)
+      ..writeByte(24)
+      ..write(obj.notificationAndroidImageUrl)
+      ..writeByte(25)
+      ..write(obj.notificationAndroidLink)
+      ..writeByte(26)
+      ..write(obj.notificationAndroidPriority)
+      ..writeByte(27)
+      ..write(obj.notificationAndroidSmallIcon)
+      ..writeByte(28)
+      ..write(obj.notificationAndroidSound)
+      ..writeByte(29)
+      ..write(obj.notificationAndroidTicker)
+      ..writeByte(30)
+      ..write(obj.notificationAndroidVisibility)
+      ..writeByte(31)
+      ..write(obj.notificationAndroidTag)
+      ..writeByte(40)
+      ..write(obj.notificationAppleBadge)
+      ..writeByte(41)
+      ..write(obj.notificationAppleSound)
+      ..writeByte(42)
+      ..write(obj.notificationAppleImageUrl)
+      ..writeByte(43)
+      ..write(obj.notificationAppleSubtitle)
+      ..writeByte(44)
+      ..write(obj.notificationAppleSubtitleLocArgs)
+      ..writeByte(45)
+      ..write(obj.notificationAppleSubtitleLocKey)
+      ..writeByte(50)
+      ..write(obj.notificationWebAnalyticsLabel)
+      ..writeByte(51)
+      ..write(obj.notificationWebImage)
+      ..writeByte(52)
+      ..write(obj.notificationWebLink)
+      ..writeByte(60)
+      ..write(obj.notificationTitle)
+      ..writeByte(61)
+      ..write(obj.notificationTitleLocArgs)
+      ..writeByte(62)
+      ..write(obj.notificationTitleLocKey)
+      ..writeByte(63)
+      ..write(obj.notificationBody)
+      ..writeByte(64)
+      ..write(obj.notificationBodyLocArgs)
+      ..writeByte(65)
+      ..write(obj.notificationBodyLocKey);
+  }
+
+  @override
+  int get hashCode => typeId.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is FBMessageAdapter &&
+          runtimeType == other.runtimeType &&
+          typeId == other.typeId;
+}