diff --git a/flutter/lib/components/layout/app_bar.dart b/flutter/lib/components/layout/app_bar.dart
index c0e63ed..d9755b0 100644
--- a/flutter/lib/components/layout/app_bar.dart
+++ b/flutter/lib/components/layout/app_bar.dart
@@ -1,14 +1,18 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/widgets.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 import 'package:provider/provider.dart';
+import 'package:simplecloudnotifier/components/layout/app_bar_filter_dialog.dart';
 import 'package:simplecloudnotifier/components/layout/app_bar_progress_indicator.dart';
 import 'package:simplecloudnotifier/pages/debug/debug_main.dart';
 import 'package:simplecloudnotifier/settings/app_settings.dart';
+import 'package:simplecloudnotifier/state/app_bar_state.dart';
 import 'package:simplecloudnotifier/state/app_theme.dart';
 import 'package:simplecloudnotifier/utils/navi.dart';
+import 'package:simplecloudnotifier/utils/toaster.dart';
 
-class SCNAppBar extends StatelessWidget implements PreferredSizeWidget {
-  const SCNAppBar({
+class SCNAppBar extends StatefulWidget implements PreferredSizeWidget {
+  SCNAppBar({
     Key? key,
     required this.title,
     required this.showThemeSwitch,
@@ -23,6 +27,22 @@ class SCNAppBar extends StatelessWidget implements PreferredSizeWidget {
   final bool showShare;
   final void Function()? onShare;
 
+  @override
+  Size get preferredSize => const Size.fromHeight(kToolbarHeight);
+
+  @override
+  State<SCNAppBar> createState() => _SCNAppBarState();
+}
+
+class _SCNAppBarState extends State<SCNAppBar> {
+  final TextEditingController _ctrlSearchField = TextEditingController();
+
+  @override
+  void dispose() {
+    _ctrlSearchField.dispose();
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     final cfg = Provider.of<AppSettings>(context);
@@ -39,7 +59,7 @@ class SCNAppBar extends StatelessWidget implements PreferredSizeWidget {
       ));
     }
 
-    if (showThemeSwitch) {
+    if (widget.showThemeSwitch) {
       actions.add(Consumer<AppTheme>(
         builder: (context, appTheme, child) => IconButton(
           icon: Icon(appTheme.darkMode ? FontAwesomeIcons.solidSun : FontAwesomeIcons.solidMoon),
@@ -48,54 +68,117 @@ class SCNAppBar extends StatelessWidget implements PreferredSizeWidget {
         ),
       ));
     } else {
-      actions.add(Visibility(
-        visible: false,
-        maintainSize: true,
-        maintainAnimation: true,
-        maintainState: true,
-        child: IconButton(
-          icon: const Icon(FontAwesomeIcons.square),
-          onPressed: () {/*TODO*/},
-        ),
-      ));
+      actions.add(_buildSpacer());
     }
 
-    if (showSearch) {
+    if (widget.showSearch) {
+      actions.add(IconButton(
+        icon: const Icon(FontAwesomeIcons.solidFilter),
+        tooltip: 'Filter',
+        onPressed: () => _showFilterDialog(context),
+      ));
       actions.add(IconButton(
         icon: const Icon(FontAwesomeIcons.solidMagnifyingGlass),
         tooltip: 'Search',
-        onPressed: () {/*TODO*/},
+        onPressed: () => AppBarState().setShowSearchField(true),
       ));
-    } else if (showShare) {
+    } else if (widget.showShare) {
+      actions.add(_buildSpacer());
       actions.add(IconButton(
         icon: const Icon(FontAwesomeIcons.solidShareNodes),
         tooltip: 'Share',
-        onPressed: onShare ?? () {},
+        onPressed: widget.onShare ?? () {},
       ));
     } else {
-      actions.add(Visibility(
-        visible: false,
-        maintainSize: true,
-        maintainAnimation: true,
-        maintainState: true,
-        child: IconButton(
-          icon: const Icon(FontAwesomeIcons.square),
-          onPressed: () {/*TODO*/},
-        ),
-      ));
+      actions.add(_buildSpacer());
     }
 
-    return AppBar(
-      title: Text(title ?? 'Simple Cloud Notifier 2.0'),
-      actions: actions,
-      backgroundColor: Theme.of(context).secondaryHeaderColor,
-      bottom: PreferredSize(
-        preferredSize: Size(double.infinity, 1.0),
-        child: AppBarProgressIndicator(),
+    return Consumer<AppBarState>(builder: (context, value, child) {
+      if (value.showSearchField) {
+        return AppBar(
+          leading: IconButton(
+            icon: const Icon(FontAwesomeIcons.solidArrowLeft),
+            onPressed: () {
+              value.setShowSearchField(false);
+            },
+          ),
+          title: _buildSearchTextField(context),
+          actions: [
+            IconButton(
+              icon: const Icon(FontAwesomeIcons.solidMagnifyingGlass),
+              onPressed: () {
+                value.setShowSearchField(false);
+                AppBarState().notifySearchListeners(_ctrlSearchField.text);
+                _ctrlSearchField.clear();
+              },
+            ),
+          ],
+          backgroundColor: Theme.of(context).secondaryHeaderColor,
+          bottom: PreferredSize(
+            preferredSize: Size(double.infinity, 1.0),
+            child: AppBarProgressIndicator(show: value.loadingIndeterminate),
+          ),
+        );
+      } else {
+        return AppBar(
+          title: Text(widget.title ?? 'SCN'),
+          actions: actions,
+          backgroundColor: Theme.of(context).secondaryHeaderColor,
+          bottom: PreferredSize(
+            preferredSize: Size(double.infinity, 1.0),
+            child: AppBarProgressIndicator(show: value.loadingIndeterminate),
+          ),
+        );
+      }
+    });
+  }
+
+  Visibility _buildSpacer() {
+    return Visibility(
+      visible: false,
+      maintainSize: true,
+      maintainAnimation: true,
+      maintainState: true,
+      child: IconButton(
+        icon: const Icon(FontAwesomeIcons.square),
+        onPressed: () {/* NO-OP */},
       ),
     );
   }
 
-  @override
-  Size get preferredSize => const Size.fromHeight(kToolbarHeight);
+  Widget _buildSearchTextField(BuildContext context) {
+    return TextField(
+      controller: _ctrlSearchField,
+      autofocus: true,
+      style: TextStyle(fontSize: 20),
+      textInputAction: TextInputAction.search,
+      decoration: InputDecoration(
+        hintText: 'Search',
+      ),
+      onSubmitted: (value) {
+        AppBarState().setShowSearchField(false);
+        AppBarState().notifySearchListeners(_ctrlSearchField.text);
+        _ctrlSearchField.clear();
+      },
+    );
+  }
+
+  void _showFilterDialog(BuildContext context) {
+    double vpWidth = MediaQuery.sizeOf(context).width;
+
+    showDialog<void>(
+      context: context,
+      barrierDismissible: true,
+      barrierColor: Colors.transparent,
+      builder: (BuildContext context) {
+        return Dialog(
+          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(0)),
+          alignment: Alignment.topCenter,
+          insetPadding: EdgeInsets.fromLTRB(0, this.widget.preferredSize.height, 0, 0),
+          backgroundColor: Colors.transparent,
+          child: AppBarFilterDialog(),
+        );
+      },
+    );
+  }
 }
diff --git a/flutter/lib/components/layout/app_bar_filter_dialog.dart b/flutter/lib/components/layout/app_bar_filter_dialog.dart
new file mode 100644
index 0000000..a201801
--- /dev/null
+++ b/flutter/lib/components/layout/app_bar_filter_dialog.dart
@@ -0,0 +1,86 @@
+import 'package:flutter/material.dart';
+import 'package:font_awesome_flutter/font_awesome_flutter.dart';
+import 'package:simplecloudnotifier/utils/navi.dart';
+
+class AppBarFilterDialog extends StatefulWidget {
+  @override
+  _AppBarFilterDialogState createState() => _AppBarFilterDialogState();
+}
+
+class _AppBarFilterDialogState extends State<AppBarFilterDialog> {
+  double _height = 0;
+
+  double _targetHeight = 4 + (48 * 6) + (16 * 5) + 4;
+
+  @override
+  void initState() {
+    super.initState();
+    Future.delayed(Duration.zero, () {
+      setState(() {
+        _height = _targetHeight;
+      });
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    double vpWidth = MediaQuery.sizeOf(context).width;
+
+    return Container(
+      margin: const EdgeInsets.all(0),
+      width: vpWidth,
+      color: Colors.transparent,
+      child: Column(
+        children: [
+          Container(
+            color: Theme.of(context).secondaryHeaderColor,
+            child: AnimatedContainer(
+              duration: Duration(milliseconds: 350),
+              curve: Curves.easeInCubic,
+              height: _height,
+              child: ClipRect(
+                child: OverflowBox(
+                  alignment: Alignment.topCenter,
+                  maxWidth: vpWidth,
+                  minWidth: vpWidth,
+                  minHeight: 0,
+                  maxHeight: _targetHeight,
+                  child: Column(
+                    children: [
+                      SizedBox(height: 4),
+                      _buildFilterItem(context, FontAwesomeIcons.magnifyingGlass, 'Search'),
+                      Divider(),
+                      _buildFilterItem(context, FontAwesomeIcons.snake, 'Channel'),
+                      Divider(),
+                      _buildFilterItem(context, FontAwesomeIcons.signature, 'Sender'),
+                      Divider(),
+                      _buildFilterItem(context, FontAwesomeIcons.timer, 'Time'),
+                      Divider(),
+                      _buildFilterItem(context, FontAwesomeIcons.bolt, 'Priority'),
+                      Divider(),
+                      _buildFilterItem(context, FontAwesomeIcons.gearCode, 'Key'),
+                      SizedBox(height: 4),
+                    ],
+                  ),
+                ),
+              ),
+            ),
+          ),
+          Expanded(child: GestureDetector(child: Container(width: vpWidth, color: Color(0x88000000)), onTap: () => Navi.popDialog(context))),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildFilterItem(BuildContext context, IconData icon, String label) {
+    return ListTile(
+      visualDensity: VisualDensity.compact,
+      title: Text(label),
+      leading: Icon(icon),
+      onTap: () {
+        Navi.popDialog(context);
+        //TOOD show more...
+      },
+    );
+  }
+}
diff --git a/flutter/lib/components/layout/app_bar_progress_indicator.dart b/flutter/lib/components/layout/app_bar_progress_indicator.dart
index c227ea7..9eb3e89 100644
--- a/flutter/lib/components/layout/app_bar_progress_indicator.dart
+++ b/flutter/lib/components/layout/app_bar_progress_indicator.dart
@@ -1,21 +1,19 @@
 import 'package:flutter/material.dart';
-import 'package:provider/provider.dart';
-import 'package:simplecloudnotifier/state/app_bar_state.dart';
 
 class AppBarProgressIndicator extends StatelessWidget implements PreferredSizeWidget {
+  AppBarProgressIndicator({required this.show});
+
+  final bool show;
+
   @override
   Size get preferredSize => Size(double.infinity, 1.0);
 
   @override
   Widget build(BuildContext context) {
-    return Consumer<AppBarState>(
-      builder: (context, value, child) {
-        if (value.loadingIndeterminate) {
-          return LinearProgressIndicator(value: null);
-        } else {
-          return SizedBox.square(dimension: 4); // 4 height is the same as the LinearProgressIndicator
-        }
-      },
-    );
+    if (show) {
+      return LinearProgressIndicator(value: null);
+    } else {
+      return SizedBox.square(dimension: 4); // 4 height is the same as the LinearProgressIndicator
+    }
   }
 }
diff --git a/flutter/lib/pages/message_list/message_filter_chiplet.dart b/flutter/lib/pages/message_list/message_filter_chiplet.dart
new file mode 100644
index 0000000..86f99bd
--- /dev/null
+++ b/flutter/lib/pages/message_list/message_filter_chiplet.dart
@@ -0,0 +1,36 @@
+import 'package:flutter/src/widgets/icon_data.dart';
+import 'package:font_awesome_flutter/font_awesome_flutter.dart';
+
+enum MessageFilterChipletType {
+  search,
+  channel,
+  sender,
+  timeRange,
+  priority,
+  sendkey,
+}
+
+class MessageFilterChiplet {
+  final String label;
+  final String value;
+  final MessageFilterChipletType type;
+
+  MessageFilterChiplet({required this.label, required this.value, required this.type});
+
+  IconData? icon() {
+    switch (type) {
+      case MessageFilterChipletType.search:
+        return FontAwesomeIcons.magnifyingGlass;
+      case MessageFilterChipletType.channel:
+        return FontAwesomeIcons.snake;
+      case MessageFilterChipletType.sender:
+        return FontAwesomeIcons.signature;
+      case MessageFilterChipletType.timeRange:
+        return FontAwesomeIcons.timer;
+      case MessageFilterChipletType.priority:
+        return FontAwesomeIcons.bolt;
+      case MessageFilterChipletType.sendkey:
+        return FontAwesomeIcons.gearCode;
+    }
+  }
+}
diff --git a/flutter/lib/pages/message_list/message_list.dart b/flutter/lib/pages/message_list/message_list.dart
index fe094dc..b9cc8b7 100644
--- a/flutter/lib/pages/message_list/message_list.dart
+++ b/flutter/lib/pages/message_list/message_list.dart
@@ -5,6 +5,7 @@ import 'package:provider/provider.dart';
 import 'package:simplecloudnotifier/api/api_client.dart';
 import 'package:simplecloudnotifier/models/channel.dart';
 import 'package:simplecloudnotifier/models/scn_message.dart';
+import 'package:simplecloudnotifier/pages/message_list/message_filter_chiplet.dart';
 import 'package:simplecloudnotifier/pages/message_view/message_view.dart';
 import 'package:simplecloudnotifier/settings/app_settings.dart';
 import 'package:simplecloudnotifier/state/app_bar_state.dart';
@@ -34,10 +35,14 @@ class _MessageListPageState extends State<MessageListPage> with RouteAware {
 
   bool _isInitialized = false;
 
+  List<MessageFilterChiplet> _filterChiplets = [];
+
   @override
   void initState() {
     super.initState();
 
+    AppBarState().subscribeSearchListener(_onAppBarSearch);
+
     _pagingController.addPageRequestListener(_fetchPage);
 
     if (widget.isVisiblePage && !_isInitialized) _realInitState();
@@ -94,6 +99,7 @@ class _MessageListPageState extends State<MessageListPage> with RouteAware {
   @override
   void dispose() {
     ApplicationLog.debug('MessageListPage::dispose');
+    AppBarState().unsubscribeSearchListener(_onAppBarSearch);
     Navi.modalRouteObserver.unsubscribe(this);
     _pagingController.dispose();
     _lifecyleListener.dispose();
@@ -222,22 +228,50 @@ class _MessageListPageState extends State<MessageListPage> with RouteAware {
   Widget build(BuildContext context) {
     return Padding(
       padding: EdgeInsets.fromLTRB(8, 4, 8, 4),
-      child: RefreshIndicator(
-        onRefresh: () => Future.sync(
-          () => _pagingController.refresh(),
-        ),
-        child: PagedListView<String, SCNMessage>(
-          pagingController: _pagingController,
-          builderDelegate: PagedChildBuilderDelegate<SCNMessage>(
-            itemBuilder: (context, item, index) => MessageListItem(
-              message: item,
-              allChannels: _channels ?? {},
-              onPressed: () {
-                Navi.push(context, () => MessageViewPage(message: item));
-              },
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.stretch,
+        children: [
+          if (_filterChiplets.isNotEmpty)
+            Wrap(
+              alignment: WrapAlignment.start,
+              spacing: 5.0,
+              children: [
+                for (var chiplet in _filterChiplets) _buildFilterChip(context, chiplet),
+              ],
+            ),
+          Expanded(
+            child: RefreshIndicator(
+              onRefresh: () => Future.sync(
+                () => _pagingController.refresh(),
+              ),
+              child: PagedListView<String, SCNMessage>(
+                pagingController: _pagingController,
+                builderDelegate: PagedChildBuilderDelegate<SCNMessage>(
+                  itemBuilder: (context, item, index) => MessageListItem(
+                    message: item,
+                    allChannels: _channels ?? {},
+                    onPressed: () {
+                      Navi.push(context, () => MessageViewPage(message: item));
+                    },
+                  ),
+                ),
+              ),
             ),
           ),
-        ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildFilterChip(BuildContext context, MessageFilterChiplet chiplet) {
+    return Padding(
+      padding: const EdgeInsets.fromLTRB(0, 2, 0, 2),
+      child: InputChip(
+        avatar: Icon(chiplet.icon()),
+        label: Text(chiplet.label),
+        onDeleted: () => setState(() => _filterChiplets.remove(chiplet)),
+        onPressed: () {/* TODO idk what to do here ? */},
+        visualDensity: VisualDensity(horizontal: -4, vertical: -4),
       ),
     );
   }
@@ -269,4 +303,10 @@ class _MessageListPageState extends State<MessageListPage> with RouteAware {
       await cache.delete(val.messageID);
     }
   }
+
+  void _onAppBarSearch(String str) {
+    setState(() {
+      _filterChiplets = _filterChiplets.where((element) => false).toList() + [MessageFilterChiplet(label: str, value: str, type: MessageFilterChipletType.search)];
+    });
+  }
 }
diff --git a/flutter/lib/pages/message_view/message_view.dart b/flutter/lib/pages/message_view/message_view.dart
index 29c51c9..d49ccc5 100644
--- a/flutter/lib/pages/message_view/message_view.dart
+++ b/flutter/lib/pages/message_view/message_view.dart
@@ -137,6 +137,7 @@ class _MessageViewPageState extends State<MessageViewPage> {
             _buildMetaCard(context, FontAwesomeIcons.solidSnake, 'Channel', [message.channelID, channel?.displayName ?? message.channelInternalName], () => {/*TODO*/}),
             _buildMetaCard(context, FontAwesomeIcons.solidTimer, 'Timestamp', [message.timestamp], null),
             _buildMetaCard(context, FontAwesomeIcons.solidUser, 'User', [if (user != null) user.userID, if (user?.username != null) user!.username!], () => {/*TODO*/}), //TODO
+            _buildMetaCard(context, FontAwesomeIcons.solidBolt, 'Priority', [_prettyPrintPriority(message.priority)], () => {/*TODO*/}), //TODO
             if (message.senderUserID == userAccUserID) UI.button(text: "Delete Message", onPressed: () {/*TODO*/}, color: Colors.red[900]),
           ],
         ),
@@ -252,4 +253,17 @@ class _MessageViewPageState extends State<MessageViewPage> {
   String _preformatTitle(SCNMessage message) {
     return message.title.replaceAll('\n', '').replaceAll('\r', '').replaceAll('\t', ' ');
   }
+
+  String _prettyPrintPriority(int priority) {
+    switch (priority) {
+      case 0:
+        return 'Low (0)';
+      case 1:
+        return 'Normal (1)';
+      case 2:
+        return 'High (2)';
+      default:
+        return 'Unknown ($priority)';
+    }
+  }
 }
diff --git a/flutter/lib/state/app_bar_state.dart b/flutter/lib/state/app_bar_state.dart
index b62384a..0aeac53 100644
--- a/flutter/lib/state/app_bar_state.dart
+++ b/flutter/lib/state/app_bar_state.dart
@@ -9,12 +9,37 @@ class AppBarState extends ChangeNotifier {
 
   AppBarState._internal() {}
 
+  List<void Function(String)> _searchListeners = [];
+
   bool _loadingIndeterminate = false;
   bool get loadingIndeterminate => _loadingIndeterminate;
 
+  bool _showSearchField = false;
+  bool get showSearchField => _showSearchField;
+
   void setLoadingIndeterminate(bool v) {
     if (_loadingIndeterminate == v) return;
     _loadingIndeterminate = v;
     notifyListeners();
   }
+
+  void setShowSearchField(bool v) {
+    if (_showSearchField == v) return;
+    _showSearchField = v;
+    notifyListeners();
+  }
+
+  void subscribeSearchListener(void Function(String) listener) {
+    _searchListeners.add(listener);
+  }
+
+  void unsubscribeSearchListener(void Function(String) listener) {
+    _searchListeners.remove(listener);
+  }
+
+  void notifySearchListeners(String query) {
+    for (var listener in _searchListeners) {
+      listener(query);
+    }
+  }
 }
diff --git a/flutter/lib/state/fb_message.dart b/flutter/lib/state/fb_message.dart
index bd9782b..ea913c1 100644
--- a/flutter/lib/state/fb_message.dart
+++ b/flutter/lib/state/fb_message.dart
@@ -158,11 +158,11 @@ class FBMessage extends HiveObject implements FieldDebuggable {
         this.notificationAndroidCount = rmsg.notification?.android?.count,
         this.notificationAndroidImageUrl = rmsg.notification?.android?.imageUrl,
         this.notificationAndroidLink = rmsg.notification?.android?.link,
-        this.notificationAndroidPriority = rmsg.notification?.android?.priority?.toString(),
+        this.notificationAndroidPriority = rmsg.notification?.android?.priority.toString(),
         this.notificationAndroidSmallIcon = rmsg.notification?.android?.smallIcon,
         this.notificationAndroidSound = rmsg.notification?.android?.sound,
         this.notificationAndroidTicker = rmsg.notification?.android?.ticker,
-        this.notificationAndroidVisibility = rmsg.notification?.android?.visibility?.toString(),
+        this.notificationAndroidVisibility = rmsg.notification?.android?.visibility.toString(),
         this.notificationAndroidTag = rmsg.notification?.android?.tag,
         this.notificationAppleBadge = rmsg.notification?.apple?.badge,
         this.notificationAppleSound = rmsg.notification?.apple?.sound?.toString(),
diff --git a/flutter/lib/state/globals.dart b/flutter/lib/state/globals.dart
index d54fa56..004fd2a 100644
--- a/flutter/lib/state/globals.dart
+++ b/flutter/lib/state/globals.dart
@@ -1,4 +1,3 @@
-import 'dart:ffi';
 import 'dart:io';
 
 import 'package:device_info_plus/device_info_plus.dart';
diff --git a/flutter/lib/utils/navi.dart b/flutter/lib/utils/navi.dart
index 61d9d93..c3e6510 100644
--- a/flutter/lib/utils/navi.dart
+++ b/flutter/lib/utils/navi.dart
@@ -8,15 +8,21 @@ class Navi {
 
   static void push<T extends Widget>(BuildContext context, T Function() builder) {
     Provider.of<AppBarState>(context, listen: false).setLoadingIndeterminate(false);
+    Provider.of<AppBarState>(context, listen: false).setShowSearchField(false);
 
     Navigator.push(context, MaterialPageRoute<T>(builder: (context) => builder()));
   }
 
   static void popToRoot(BuildContext context) {
     Provider.of<AppBarState>(context, listen: false).setLoadingIndeterminate(false);
+    Provider.of<AppBarState>(context, listen: false).setShowSearchField(false);
 
     Navigator.popUntil(context, (route) => route.isFirst);
   }
+
+  static void popDialog(BuildContext dialogContext) {
+    Navigator.pop(dialogContext);
+  }
 }
 
 class SCNRouteObserver extends RouteObserver<PageRoute<dynamic>> {
@@ -25,6 +31,7 @@ class SCNRouteObserver extends RouteObserver<PageRoute<dynamic>> {
     super.didPush(route, previousRoute);
     if (route is PageRoute) {
       AppBarState().setLoadingIndeterminate(false);
+      AppBarState().setShowSearchField(false);
 
       print('[SCNRouteObserver] .didPush()');
     }
@@ -35,6 +42,7 @@ class SCNRouteObserver extends RouteObserver<PageRoute<dynamic>> {
     super.didReplace(newRoute: newRoute, oldRoute: oldRoute);
     if (newRoute is PageRoute) {
       AppBarState().setLoadingIndeterminate(false);
+      AppBarState().setShowSearchField(false);
 
       print('[SCNRouteObserver] .didReplace()');
     }
@@ -45,6 +53,7 @@ class SCNRouteObserver extends RouteObserver<PageRoute<dynamic>> {
     super.didPop(route, previousRoute);
     if (previousRoute is PageRoute && route is PageRoute) {
       AppBarState().setLoadingIndeterminate(false);
+      AppBarState().setShowSearchField(false);
 
       print('[SCNRouteObserver] .didPop()');
     }