diff --git a/flutter/lib/common.dart b/flutter/lib/common.dart
index 9c3a5724f..aed6d6fd8 100644
--- a/flutter/lib/common.dart
+++ b/flutter/lib/common.dart
@@ -898,3 +898,14 @@ Future<List<Peer>>? matchPeers(String searchText, List<Peer> peers) async {
   }
   return filteredList;
 }
+
+/// Get the image for the current [platform].
+Widget getPlatformImage(String platform, {double size = 50}) {
+  platform = platform.toLowerCase();
+  if (platform == 'mac os') {
+    platform = 'mac';
+  } else if (platform != 'linux' && platform != 'android') {
+    platform = 'win';
+  }
+  return Image.asset('assets/$platform.png', height: size, width: size);
+}
diff --git a/flutter/lib/consts.dart b/flutter/lib/consts.dart
index 70fc9f065..8986f05ec 100644
--- a/flutter/lib/consts.dart
+++ b/flutter/lib/consts.dart
@@ -16,3 +16,233 @@ const int kDesktopDefaultDisplayWidth = 1080;
 const int kDesktopDefaultDisplayHeight = 720;
 
 const kInvalidValueStr = "InvalidValueStr";
+
+/// flutter/packages/flutter/lib/src/services/keyboard_key.dart -> _keyLabels
+/// see [LogicalKeyboardKey.keyLabel]
+const Map<int, String> logicalKeyMap = <int, String>{
+  0x00000000020: 'VK_SPACE',
+  0x00000000022: 'VK_QUOTE',
+  0x0000000002c: 'VK_COMMA',
+  0x0000000002d: 'VK_MINUS',
+  0x0000000002f: 'VK_SLASH',
+  0x00000000030: 'VK_0',
+  0x00000000031: 'VK_1',
+  0x00000000032: 'VK_2',
+  0x00000000033: 'VK_3',
+  0x00000000034: 'VK_4',
+  0x00000000035: 'VK_5',
+  0x00000000036: 'VK_6',
+  0x00000000037: 'VK_7',
+  0x00000000038: 'VK_8',
+  0x00000000039: 'VK_9',
+  0x0000000003b: 'VK_SEMICOLON',
+  0x0000000003d: 'VK_PLUS', // it is =
+  0x0000000005b: 'VK_LBRACKET',
+  0x0000000005c: 'VK_BACKSLASH',
+  0x0000000005d: 'VK_RBRACKET',
+  0x00000000061: 'VK_A',
+  0x00000000062: 'VK_B',
+  0x00000000063: 'VK_C',
+  0x00000000064: 'VK_D',
+  0x00000000065: 'VK_E',
+  0x00000000066: 'VK_F',
+  0x00000000067: 'VK_G',
+  0x00000000068: 'VK_H',
+  0x00000000069: 'VK_I',
+  0x0000000006a: 'VK_J',
+  0x0000000006b: 'VK_K',
+  0x0000000006c: 'VK_L',
+  0x0000000006d: 'VK_M',
+  0x0000000006e: 'VK_N',
+  0x0000000006f: 'VK_O',
+  0x00000000070: 'VK_P',
+  0x00000000071: 'VK_Q',
+  0x00000000072: 'VK_R',
+  0x00000000073: 'VK_S',
+  0x00000000074: 'VK_T',
+  0x00000000075: 'VK_U',
+  0x00000000076: 'VK_V',
+  0x00000000077: 'VK_W',
+  0x00000000078: 'VK_X',
+  0x00000000079: 'VK_Y',
+  0x0000000007a: 'VK_Z',
+  0x00100000008: 'VK_BACK',
+  0x00100000009: 'VK_TAB',
+  0x0010000000d: 'VK_ENTER',
+  0x0010000001b: 'VK_ESCAPE',
+  0x0010000007f: 'VK_DELETE',
+  0x00100000104: 'VK_CAPITAL',
+  0x00100000301: 'VK_DOWN',
+  0x00100000302: 'VK_LEFT',
+  0x00100000303: 'VK_RIGHT',
+  0x00100000304: 'VK_UP',
+  0x00100000305: 'VK_END',
+  0x00100000306: 'VK_HOME',
+  0x00100000307: 'VK_NEXT',
+  0x00100000308: 'VK_PRIOR',
+  0x00100000401: 'VK_CLEAR',
+  0x00100000407: 'VK_INSERT',
+  0x00100000504: 'VK_CANCEL',
+  0x00100000506: 'VK_EXECUTE',
+  0x00100000508: 'VK_HELP',
+  0x00100000509: 'VK_PAUSE',
+  0x0010000050c: 'VK_SELECT',
+  0x00100000608: 'VK_PRINT',
+  0x00100000705: 'VK_CONVERT',
+  0x00100000706: 'VK_FINAL',
+  0x00100000711: 'VK_HANGUL',
+  0x00100000712: 'VK_HANJA',
+  0x00100000713: 'VK_JUNJA',
+  0x00100000718: 'VK_KANA',
+  0x00100000719: 'VK_KANJI',
+  0x00100000801: 'VK_F1',
+  0x00100000802: 'VK_F2',
+  0x00100000803: 'VK_F3',
+  0x00100000804: 'VK_F4',
+  0x00100000805: 'VK_F5',
+  0x00100000806: 'VK_F6',
+  0x00100000807: 'VK_F7',
+  0x00100000808: 'VK_F8',
+  0x00100000809: 'VK_F9',
+  0x0010000080a: 'VK_F10',
+  0x0010000080b: 'VK_F11',
+  0x0010000080c: 'VK_F12',
+  0x00100000d2b: 'Apps',
+  0x00200000002: 'VK_SLEEP',
+  0x00200000100: 'VK_CONTROL',
+  0x00200000101: 'RControl',
+  0x00200000102: 'VK_SHIFT',
+  0x00200000103: 'RShift',
+  0x00200000104: 'VK_MENU',
+  0x00200000105: 'RAlt',
+  0x002000001f0: 'VK_CONTROL',
+  0x002000001f2: 'VK_SHIFT',
+  0x002000001f4: 'VK_MENU',
+  0x002000001f6: 'Meta',
+  0x0020000022a: 'VK_MULTIPLY',
+  0x0020000022b: 'VK_ADD',
+  0x0020000022d: 'VK_SUBTRACT',
+  0x0020000022e: 'VK_DECIMAL',
+  0x0020000022f: 'VK_DIVIDE',
+  0x00200000230: 'VK_NUMPAD0',
+  0x00200000231: 'VK_NUMPAD1',
+  0x00200000232: 'VK_NUMPAD2',
+  0x00200000233: 'VK_NUMPAD3',
+  0x00200000234: 'VK_NUMPAD4',
+  0x00200000235: 'VK_NUMPAD5',
+  0x00200000236: 'VK_NUMPAD6',
+  0x00200000237: 'VK_NUMPAD7',
+  0x00200000238: 'VK_NUMPAD8',
+  0x00200000239: 'VK_NUMPAD9',
+};
+
+/// flutter/packages/flutter/lib/src/services/keyboard_key.dart -> _debugName
+/// see [PhysicalKeyboardKey.debugName] -> _debugName
+const Map<int, String> physicalKeyMap = <int, String>{
+  0x00010082: 'VK_SLEEP',
+  0x00070004: 'VK_A',
+  0x00070005: 'VK_B',
+  0x00070006: 'VK_C',
+  0x00070007: 'VK_D',
+  0x00070008: 'VK_E',
+  0x00070009: 'VK_F',
+  0x0007000a: 'VK_G',
+  0x0007000b: 'VK_H',
+  0x0007000c: 'VK_I',
+  0x0007000d: 'VK_J',
+  0x0007000e: 'VK_K',
+  0x0007000f: 'VK_L',
+  0x00070010: 'VK_M',
+  0x00070011: 'VK_N',
+  0x00070012: 'VK_O',
+  0x00070013: 'VK_P',
+  0x00070014: 'VK_Q',
+  0x00070015: 'VK_R',
+  0x00070016: 'VK_S',
+  0x00070017: 'VK_T',
+  0x00070018: 'VK_U',
+  0x00070019: 'VK_V',
+  0x0007001a: 'VK_W',
+  0x0007001b: 'VK_X',
+  0x0007001c: 'VK_Y',
+  0x0007001d: 'VK_Z',
+  0x0007001e: 'VK_1',
+  0x0007001f: 'VK_2',
+  0x00070020: 'VK_3',
+  0x00070021: 'VK_4',
+  0x00070022: 'VK_5',
+  0x00070023: 'VK_6',
+  0x00070024: 'VK_7',
+  0x00070025: 'VK_8',
+  0x00070026: 'VK_9',
+  0x00070027: 'VK_0',
+  0x00070028: 'VK_ENTER',
+  0x00070029: 'VK_ESCAPE',
+  0x0007002a: 'VK_BACK',
+  0x0007002b: 'VK_TAB',
+  0x0007002c: 'VK_SPACE',
+  0x0007002d: 'VK_MINUS',
+  0x0007002e: 'VK_PLUS', // it is =
+  0x0007002f: 'VK_LBRACKET',
+  0x00070030: 'VK_RBRACKET',
+  0x00070033: 'VK_SEMICOLON',
+  0x00070034: 'VK_QUOTE',
+  0x00070036: 'VK_COMMA',
+  0x00070038: 'VK_SLASH',
+  0x00070039: 'VK_CAPITAL',
+  0x0007003a: 'VK_F1',
+  0x0007003b: 'VK_F2',
+  0x0007003c: 'VK_F3',
+  0x0007003d: 'VK_F4',
+  0x0007003e: 'VK_F5',
+  0x0007003f: 'VK_F6',
+  0x00070040: 'VK_F7',
+  0x00070041: 'VK_F8',
+  0x00070042: 'VK_F9',
+  0x00070043: 'VK_F10',
+  0x00070044: 'VK_F11',
+  0x00070045: 'VK_F12',
+  0x00070049: 'VK_INSERT',
+  0x0007004a: 'VK_HOME',
+  0x0007004b: 'VK_PRIOR', // Page Up
+  0x0007004c: 'VK_DELETE',
+  0x0007004d: 'VK_END',
+  0x0007004e: 'VK_NEXT', // Page Down
+  0x0007004f: 'VK_RIGHT',
+  0x00070050: 'VK_LEFT',
+  0x00070051: 'VK_DOWN',
+  0x00070052: 'VK_UP',
+  0x00070053: 'Num Lock', // TODO rust not impl
+  0x00070054: 'VK_DIVIDE', // numpad
+  0x00070055: 'VK_MULTIPLY',
+  0x00070056: 'VK_SUBTRACT',
+  0x00070057: 'VK_ADD',
+  0x00070058: 'VK_ENTER', // num enter
+  0x00070059: 'VK_NUMPAD0',
+  0x0007005a: 'VK_NUMPAD1',
+  0x0007005b: 'VK_NUMPAD2',
+  0x0007005c: 'VK_NUMPAD3',
+  0x0007005d: 'VK_NUMPAD4',
+  0x0007005e: 'VK_NUMPAD5',
+  0x0007005f: 'VK_NUMPAD6',
+  0x00070060: 'VK_NUMPAD7',
+  0x00070061: 'VK_NUMPAD8',
+  0x00070062: 'VK_NUMPAD9',
+  0x00070063: 'VK_DECIMAL',
+  0x00070075: 'VK_HELP',
+  0x00070077: 'VK_SELECT',
+  0x00070088: 'VK_KANA',
+  0x0007008a: 'VK_CONVERT',
+  0x000700e0: 'VK_CONTROL',
+  0x000700e1: 'VK_SHIFT',
+  0x000700e2: 'VK_MENU',
+  0x000700e3: 'Meta',
+  0x000700e4: 'RControl',
+  0x000700e5: 'RShift',
+  0x000700e6: 'RAlt',
+  0x000700e7: 'RWin',
+  0x000c00b1: 'VK_PAUSE',
+  0x000c00cd: 'VK_PAUSE',
+  0x000c019e: 'LOCK_SCREEN',
+  0x000c0208: 'VK_PRINT',
+};
diff --git a/flutter/lib/desktop/pages/connection_page.dart b/flutter/lib/desktop/pages/connection_page.dart
index 64a74d22a..134fe4219 100644
--- a/flutter/lib/desktop/pages/connection_page.dart
+++ b/flutter/lib/desktop/pages/connection_page.dart
@@ -8,18 +8,12 @@ import 'package:flutter_hbb/desktop/widgets/peer_widget.dart';
 import 'package:flutter_hbb/desktop/widgets/peercard_widget.dart';
 import 'package:flutter_hbb/utils/multi_window_manager.dart';
 import 'package:get/get.dart';
-import 'package:provider/provider.dart';
 import 'package:url_launcher/url_launcher_string.dart';
 
 import '../../common.dart';
 import '../../common/formatter/id_formatter.dart';
-import '../../mobile/pages/scan_page.dart';
-import '../../mobile/pages/settings_page.dart';
-import '../../models/model.dart';
 import '../../models/platform_model.dart';
 
-// enum RemoteType { recently, favorite, discovered, addressBook }
-
 /// Connection page for connecting to a remote peer.
 class ConnectionPage extends StatefulWidget {
   const ConnectionPage({Key? key}) : super(key: key);
@@ -33,9 +27,6 @@ class _ConnectionPageState extends State<ConnectionPage> {
   /// Controller for the id input bar.
   final _idController = IDTextEditingController();
 
-  /// Update url. If it's not null, means an update is available.
-  final _updateUrl = '';
-
   Timer? _updateTimer;
 
   @override
@@ -67,7 +58,6 @@ class _ConnectionPageState extends State<ConnectionPage> {
             Expanded(
               child: Column(
                 children: [
-                  getUpdateUI(),
                   Row(
                     children: [
                       getSearchBarUI(context),
@@ -131,28 +121,6 @@ class _ConnectionPageState extends State<ConnectionPage> {
     }
   }
 
-  /// UI for software update.
-  /// If [_updateUrl] is not empty, shows a button to update the software.
-  Widget getUpdateUI() {
-    return _updateUrl.isEmpty
-        ? SizedBox(height: 0)
-        : InkWell(
-            onTap: () async {
-              final url = _updateUrl + '.apk';
-              if (await canLaunchUrlString(url)) {
-                await launchUrlString(url);
-              }
-            },
-            child: Container(
-                alignment: AlignmentDirectional.center,
-                width: double.infinity,
-                color: Colors.pinkAccent,
-                padding: EdgeInsets.symmetric(vertical: 12),
-                child: Text(translate('Download new version'),
-                    style: TextStyle(
-                        color: Colors.white, fontWeight: FontWeight.bold))));
-  }
-
   /// UI for the search bar.
   /// Search for a peer and connect to it if the id exists.
   Widget getSearchBarUI(BuildContext context) {
@@ -328,86 +296,6 @@ class _ConnectionPageState extends State<ConnectionPage> {
     super.dispose();
   }
 
-  /// Get the image for the current [platform].
-  Widget getPlatformImage(String platform) {
-    platform = platform.toLowerCase();
-    if (platform == 'mac os')
-      platform = 'mac';
-    else if (platform != 'linux' && platform != 'android') platform = 'win';
-    return Image.asset('assets/$platform.png', height: 50);
-  }
-
-  bool hitTag(List<dynamic> selectedTags, List<dynamic> idents) {
-    if (selectedTags.isEmpty) {
-      return true;
-    }
-    if (idents.isEmpty) {
-      return false;
-    }
-    for (final tag in selectedTags) {
-      if (!idents.contains(tag)) {
-        return false;
-      }
-    }
-    return true;
-  }
-
-  // /// Show the peer menu and handle user's choice.
-  // /// User might remove the peer or send a file to the peer.
-  // void showPeerMenu(BuildContext context, String id, RemoteType rType) async {
-  //   var items = [
-  //     PopupMenuItem<String>(
-  //         child: Text(translate('Connect')), value: 'connect'),
-  //     PopupMenuItem<String>(
-  //         child: Text(translate('Transfer File')), value: 'file'),
-  //     PopupMenuItem<String>(
-  //         child: Text(translate('TCP Tunneling')), value: 'tcp-tunnel'),
-  //     PopupMenuItem<String>(child: Text(translate('Rename')), value: 'rename'),
-  //     rType == RemoteType.addressBook
-  //         ? PopupMenuItem<String>(
-  //             child: Text(translate('Remove')), value: 'ab-delete')
-  //         : PopupMenuItem<String>(
-  //             child: Text(translate('Remove')), value: 'remove'),
-  //     PopupMenuItem<String>(
-  //         child: Text(translate('Unremember Password')),
-  //         value: 'unremember-password'),
-  //   ];
-  //   if (rType == RemoteType.favorite) {
-  //     items.add(PopupMenuItem<String>(
-  //         child: Text(translate('Remove from Favorites')),
-  //         value: 'remove-fav'));
-  //   } else if (rType != RemoteType.addressBook) {
-  //     items.add(PopupMenuItem<String>(
-  //         child: Text(translate('Add to Favorites')), value: 'add-fav'));
-  //   } else {
-  //     items.add(PopupMenuItem<String>(
-  //         child: Text(translate('Edit Tag')), value: 'ab-edit-tag'));
-  //   }
-  //   var value = await showMenu(
-  //     context: context,
-  //     position: this._menuPos,
-  //     items: items,
-  //     elevation: 8,
-  //   );
-  //   if (value == 'remove') {
-  //     setState(() => gFFI.setByName('remove', '$id'));
-  //     () async {
-  //       removePreference(id);
-  //     }();
-  //   } else if (value == 'file') {
-  //     connect(id, isFileTransfer: true);
-  //   } else if (value == 'add-fav') {
-  //   } else if (value == 'connect') {
-  //     connect(id, isFileTransfer: false);
-  //   } else if (value == 'ab-delete') {
-  //     gFFI.abModel.deletePeer(id);
-  //     await gFFI.abModel.updateAb();
-  //     setState(() {});
-  //   } else if (value == 'ab-edit-tag') {
-  //     abEditTag(id);
-  //   }
-  // }
-
   var svcStopped = false.obs;
   var svcStatusCode = 0.obs;
   var svcIsUsingPublicServer = true.obs;
@@ -454,7 +342,7 @@ class _ConnectionPageState extends State<ConnectionPage> {
       crossAxisAlignment: CrossAxisAlignment.center,
       children: [
         light,
-        Text("${translate('Ready')}"),
+        Text(translate('Ready')),
         svcIsUsingPublicServer.value
             ? InkWell(
                 onTap: onUsePublicServerGuide,
@@ -469,7 +357,7 @@ class _ConnectionPageState extends State<ConnectionPage> {
   }
 
   void onUsePublicServerGuide() {
-    final url = "https://rustdesk.com/blog/id-relay-set/";
+    const url = "https://rustdesk.com/blog/id-relay-set/";
     canLaunchUrlString(url).then((can) {
       if (can) {
         launchUrlString(url);
@@ -857,100 +745,6 @@ class _ConnectionPageState extends State<ConnectionPage> {
   }
 }
 
-class WebMenu extends StatefulWidget {
-  @override
-  _WebMenuState createState() => _WebMenuState();
-}
-
-class _WebMenuState extends State<WebMenu> {
-  String? username;
-  String url = "";
-
-  @override
-  void initState() {
-    super.initState();
-    () async {
-      final usernameRes = await getUsername();
-      final urlRes = await getUrl();
-      var update = false;
-      if (usernameRes != username) {
-        username = usernameRes;
-        update = true;
-      }
-      if (urlRes != url) {
-        url = urlRes;
-        update = true;
-      }
-
-      if (update) {
-        setState(() {});
-      }
-    }();
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    Provider.of<FfiModel>(context);
-    return PopupMenuButton<String>(
-        icon: Icon(Icons.more_vert),
-        itemBuilder: (context) {
-          return (isIOS
-                  ? [
-                      PopupMenuItem(
-                        child: Icon(Icons.qr_code_scanner, color: Colors.black),
-                        value: "scan",
-                      )
-                    ]
-                  : <PopupMenuItem<String>>[]) +
-              [
-                PopupMenuItem(
-                  child: Text(translate('ID/Relay Server')),
-                  value: "server",
-                )
-              ] +
-              (url.contains('admin.rustdesk.com')
-                  ? <PopupMenuItem<String>>[]
-                  : [
-                      PopupMenuItem(
-                        child: Text(username == null
-                            ? translate("Login")
-                            : translate("Logout") + ' ($username)'),
-                        value: "login",
-                      )
-                    ]) +
-              [
-                PopupMenuItem(
-                  child: Text(translate('About') + ' RustDesk'),
-                  value: "about",
-                )
-              ];
-        },
-        onSelected: (value) {
-          if (value == 'server') {
-            showServerSettings(gFFI.dialogManager);
-          }
-          if (value == 'about') {
-            showAbout(gFFI.dialogManager);
-          }
-          if (value == 'login') {
-            if (username == null) {
-              showLogin(gFFI.dialogManager);
-            } else {
-              logout(gFFI.dialogManager);
-            }
-          }
-          if (value == 'scan') {
-            Navigator.push(
-              context,
-              MaterialPageRoute(
-                builder: (BuildContext context) => ScanPage(),
-              ),
-            );
-          }
-        });
-  }
-}
-
 class _PeerTabbedPage extends StatefulWidget {
   final List<String> tabs;
   final List<Widget> children;
diff --git a/flutter/lib/desktop/pages/file_manager_page.dart b/flutter/lib/desktop/pages/file_manager_page.dart
index eee3c226b..ced61e8d9 100644
--- a/flutter/lib/desktop/pages/file_manager_page.dart
+++ b/flutter/lib/desktop/pages/file_manager_page.dart
@@ -67,7 +67,7 @@ class _FileManagerPageState extends State<FileManagerPage>
     if (!Platform.isLinux) {
       Wakelock.enable();
     }
-    print("init success with id ${widget.id}");
+    debugPrint("File manager page init success with id ${widget.id}");
     // register location listener
     _locationNodeLocal.addListener(onLocalLocationFocusChanged);
     _locationNodeRemote.addListener(onRemoteLocationFocusChanged);
@@ -307,109 +307,6 @@ class _FileManagerPageState extends State<FileManagerPage>
               )
             ],
           )),
-          // Center(child: listTail(isLocal: isLocal)),
-          // Expanded(
-          //     child: ListView.builder(
-          //   controller: ScrollController(),
-          //   itemCount: entries.length + 1,
-          //   itemBuilder: (context, index) {
-          //     if (index >= entries.length) {
-          //       return listTail(isLocal: isLocal);
-          //     }
-          //     var selected = false;
-          //     if (model.selectMode) {
-          //       selected = _selectedItems.contains(entries[index]);
-          //     }
-          //
-          //     final sizeStr = entries[index].isFile
-          //         ? readableFileSize(entries[index].size.toDouble())
-          //         : "";
-          //     return Card(
-          //       child: ListTile(
-          //         leading: Icon(
-          //             entries[index].isFile ? Icons.feed_outlined : Icons.folder,
-          //             size: 40),
-          //         title: Text(entries[index].name),
-          //         selected: selected,
-          //         subtitle: Text(
-          //           entries[index]
-          //                   .lastModified()
-          //                   .toString()
-          //                   .replaceAll(".000", "") +
-          //               "   " +
-          //               sizeStr,
-          //           style: TextStyle(fontSize: 12, color: MyTheme.darkGray),
-          //         ),
-          //         trailing: needShowCheckBox()
-          //             ? Checkbox(
-          //                 value: selected,
-          //                 onChanged: (v) {
-          //                   if (v == null) return;
-          //                   if (v && !selected) {
-          //                     _selectedItems.add(isLocal, entries[index]);
-          //                   } else if (!v && selected) {
-          //                     _selectedItems.remove(entries[index]);
-          //                   }
-          //                   setState(() {});
-          //                 })
-          //             : PopupMenuButton<String>(
-          //                 icon: Icon(Icons.more_vert),
-          //                 itemBuilder: (context) {
-          //                   return [
-          //                     PopupMenuItem(
-          //                       child: Text(translate("Delete")),
-          //                       value: "delete",
-          //                     ),
-          //                     PopupMenuItem(
-          //                       child: Text(translate("Multi Select")),
-          //                       value: "multi_select",
-          //                     ),
-          //                     PopupMenuItem(
-          //                       child: Text(translate("Properties")),
-          //                       value: "properties",
-          //                       enabled: false,
-          //                     )
-          //                   ];
-          //                 },
-          //                 onSelected: (v) {
-          //                   if (v == "delete") {
-          //                     final items = SelectedItems();
-          //                     items.add(isLocal, entries[index]);
-          //                     model.removeAction(items);
-          //                   } else if (v == "multi_select") {
-          //                     _selectedItems.clear();
-          //                     model.toggleSelectMode();
-          //                   }
-          //                 }),
-          //         onTap: () {
-          //           if (model.selectMode && !_selectedItems.isOtherPage(isLocal)) {
-          //             if (selected) {
-          //               _selectedItems.remove(entries[index]);
-          //             } else {
-          //               _selectedItems.add(isLocal, entries[index]);
-          //             }
-          //             setState(() {});
-          //             return;
-          //           }
-          //           if (entries[index].isDirectory) {
-          //             openDirectory(entries[index].path, isLocal: isLocal);
-          //             breadCrumbScrollToEnd(isLocal);
-          //           } else {
-          //             // Perform file-related tasks.
-          //           }
-          //         },
-          //         onLongPress: () {
-          //           _selectedItems.clear();
-          //           model.toggleSelectMode();
-          //           if (model.selectMode) {
-          //             _selectedItems.add(isLocal, entries[index]);
-          //           }
-          //           setState(() {});
-          //         },
-          //       ),
-          //     );
-          //   },
-          // ))
         ]),
       ),
     );
@@ -736,43 +633,9 @@ class _FileManagerPageState extends State<FileManagerPage>
     ));
   }
 
-  Widget listTail({bool isLocal = false}) {
-    final dir = isLocal ? model.currentLocalDir : model.currentRemoteDir;
-    return Container(
-      height: 100,
-      child: Column(
-        children: [
-          Padding(
-            padding: EdgeInsets.fromLTRB(30, 5, 30, 0),
-            child: Text(
-              dir.path,
-              style: TextStyle(color: MyTheme.darkGray),
-            ),
-          ),
-          Padding(
-            padding: EdgeInsets.all(2),
-            child: Text(
-              "${translate("Total")}: ${dir.entries.length} ${translate("items")}",
-              style: TextStyle(color: MyTheme.darkGray),
-            ),
-          )
-        ],
-      ),
-    );
-  }
-
   @override
   bool get wantKeepAlive => true;
 
-  /// Get the image for the current [platform].
-  Widget getPlatformImage(String platform) {
-    platform = platform.toLowerCase();
-    if (platform == 'mac os')
-      platform = 'mac';
-    else if (platform != 'linux' && platform != 'android') platform = 'win';
-    return Image.asset('assets/$platform.png', width: 25, height: 25);
-  }
-
   void onLocalLocationFocusChanged() {
     debugPrint("focus changed on local");
     if (_locationNodeLocal.hasFocus) {
@@ -861,7 +724,6 @@ class _FileManagerPageState extends State<FileManagerPage>
 
   openDirectory(String path, {bool isLocal = false}) {
     model.openDirectory(path, isLocal: isLocal).then((_) {
-      print("scroll");
       breadCrumbScrollToEnd(isLocal);
     });
   }
diff --git a/flutter/lib/desktop/pages/port_forward_page.dart b/flutter/lib/desktop/pages/port_forward_page.dart
index f3e988744..49946cc56 100644
--- a/flutter/lib/desktop/pages/port_forward_page.dart
+++ b/flutter/lib/desktop/pages/port_forward_page.dart
@@ -52,7 +52,7 @@ class _PortForwardPageState extends State<PortForwardPage>
     if (!Platform.isLinux) {
       Wakelock.enable();
     }
-    debugPrint("init success with id ${widget.id}");
+    debugPrint("Port forward page init success with id ${widget.id}");
   }
 
   @override
diff --git a/flutter/lib/desktop/pages/remote_page.dart b/flutter/lib/desktop/pages/remote_page.dart
index 35ab548c3..43d48740e 100644
--- a/flutter/lib/desktop/pages/remote_page.dart
+++ b/flutter/lib/desktop/pages/remote_page.dart
@@ -10,8 +10,7 @@ import 'package:provider/provider.dart';
 import 'package:wakelock/wakelock.dart';
 import 'package:flutter_custom_cursor/flutter_custom_cursor.dart';
 
-// import 'package:window_manager/window_manager.dart';
-
+import '../../consts.dart';
 import '../widgets/remote_menubar.dart';
 import '../../common.dart';
 import '../../mobile/widgets/dialog.dart';
@@ -19,8 +18,6 @@ import '../../models/model.dart';
 import '../../models/platform_model.dart';
 import '../../common/shared_state.dart';
 
-final initText = '\1' * 1024;
-
 class RemotePage extends StatefulWidget {
   const RemotePage({
     Key? key,
@@ -38,15 +35,13 @@ class RemotePage extends StatefulWidget {
 class _RemotePageState extends State<RemotePage>
     with AutomaticKeepAliveClientMixin {
   Timer? _timer;
-  String _value = '';
   String keyboardMode = "legacy";
   final _cursorOverImage = false.obs;
   late RxBool _showRemoteCursor;
   late RxBool _remoteCursorMoved;
   late RxBool _keyboardEnabled;
 
-  final FocusNode _mobileFocusNode = FocusNode();
-  final FocusNode _physicalFocusNode = FocusNode();
+  final FocusNode _rawKeyFocusNode = FocusNode();
   var _isPhysicalMouse = false;
   var _imageFocused = false;
 
@@ -95,11 +90,9 @@ class _RemotePageState extends State<RemotePage>
     if (!Platform.isLinux) {
       Wakelock.enable();
     }
-    _physicalFocusNode.requestFocus();
+    _rawKeyFocusNode.requestFocus();
     _ffi.ffiModel.updateEventListener(widget.id);
-    _ffi.listenToMouse(true);
     _ffi.qualityMonitorModel.checkShowQualityMonitor(widget.id);
-    // WindowManager.instance.addListener(this);
     _showRemoteCursor.value = bind.sessionGetToggleOptionSync(
         id: widget.id, arg: 'show-remote-cursor');
   }
@@ -108,9 +101,7 @@ class _RemotePageState extends State<RemotePage>
   void dispose() {
     debugPrint("REMOTE PAGE dispose ${widget.id}");
     _ffi.dialogManager.hideMobileActionsOverlay();
-    _ffi.listenToMouse(false);
-    _mobileFocusNode.dispose();
-    _physicalFocusNode.dispose();
+    _rawKeyFocusNode.dispose();
     _ffi.close();
     _timer?.cancel();
     _ffi.dialogManager.dismissAll();
@@ -119,7 +110,6 @@ class _RemotePageState extends State<RemotePage>
     if (!Platform.isLinux) {
       Wakelock.disable();
     }
-    // WindowManager.instance.removeListener(this);
     Get.delete<FFI>(tag: widget.id);
     super.dispose();
     _removeStates(widget.id);
@@ -129,87 +119,10 @@ class _RemotePageState extends State<RemotePage>
     _ffi.resetModifiers();
   }
 
-  // handle mobile virtual keyboard
-  void handleInput(String newValue) {
-    var oldValue = _value;
-    _value = newValue;
-    if (isIOS) {
-      var i = newValue.length - 1;
-      for (; i >= 0 && newValue[i] != '\1'; --i) {}
-      var j = oldValue.length - 1;
-      for (; j >= 0 && oldValue[j] != '\1'; --j) {}
-      if (i < j) j = i;
-      newValue = newValue.substring(j + 1);
-      oldValue = oldValue.substring(j + 1);
-      var common = 0;
-      for (;
-          common < oldValue.length &&
-              common < newValue.length &&
-              newValue[common] == oldValue[common];
-          ++common) {}
-      for (i = 0; i < oldValue.length - common; ++i) {
-        _ffi.inputKey('VK_BACK');
-      }
-      if (newValue.length > common) {
-        var s = newValue.substring(common);
-        if (s.length > 1) {
-          bind.sessionInputString(id: widget.id, value: s);
-        } else {
-          inputChar(s);
-        }
-      }
-      return;
-    }
-    if (oldValue.isNotEmpty &&
-        newValue.isNotEmpty &&
-        oldValue[0] == '\1' &&
-        newValue[0] != '\1') {
-      // clipboard
-      oldValue = '';
-    }
-    if (newValue.length == oldValue.length) {
-      // ?
-    } else if (newValue.length < oldValue.length) {
-      const char = 'VK_BACK';
-      _ffi.inputKey(char);
-    } else {
-      final content = newValue.substring(oldValue.length);
-      if (content.length > 1) {
-        if (oldValue != '' &&
-            content.length == 2 &&
-            (content == '""' ||
-                content == '()' ||
-                content == '[]' ||
-                content == '<>' ||
-                content == "{}" ||
-                content == '”“' ||
-                content == '《》' ||
-                content == '（）' ||
-                content == '【】')) {
-          // can not only input content[0], because when input ], [ are also auo insert, which cause ] never be input
-          bind.sessionInputString(id: widget.id, value: content);
-          return;
-        }
-        bind.sessionInputString(id: widget.id, value: content);
-      } else {
-        inputChar(content);
-      }
-    }
-  }
-
-  void inputChar(String char) {
-    if (char == '\n') {
-      char = 'VK_RETURN';
-    } else if (char == ' ') {
-      char = 'VK_SPACE';
-    }
-    _ffi.inputKey(char);
-  }
-
   void sendRawKey(RawKeyEvent e, {bool? down, bool? press}) {
     // for maximum compatibility
-    final label = _logicalKeyMap[e.logicalKey.keyId] ??
-        _physicalKeyMap[e.physicalKey.usbHidUsage] ??
+    final label = logicalKeyMap[e.logicalKey.keyId] ??
+        physicalKeyMap[e.physicalKey.usbHidUsage] ??
         e.logicalKey.keyLabel;
     _ffi.inputKey(label, down: down, press: press ?? false);
   }
@@ -339,7 +252,7 @@ class _RemotePageState extends State<RemotePage>
         child: Focus(
             autofocus: true,
             canRequestFocus: true,
-            focusNode: _physicalFocusNode,
+            focusNode: _rawKeyFocusNode,
             onFocusChange: (bool v) {
               _imageFocused = v;
             },
@@ -347,15 +260,6 @@ class _RemotePageState extends State<RemotePage>
             child: child));
   }
 
-  /// touchMode only:
-  ///   LongPress -> right click
-  ///   OneFingerPan -> start/end -> left down start/end
-  ///   onDoubleTapDown -> move to
-  ///   onLongPressDown => move to
-  ///
-  /// mouseMode only:
-  ///   DoubleFiner -> right click
-  ///   HoldDrag -> left drag
   void _onPointHoverImage(PointerHoverEvent e) {
     if (e.kind != ui.PointerDeviceKind.mouse) return;
     if (!_isPhysicalMouse) {
@@ -420,7 +324,7 @@ class _RemotePageState extends State<RemotePage>
 
   void enterView(PointerEnterEvent evt) {
     if (!_imageFocused) {
-      _physicalFocusNode.requestFocus();
+      _rawKeyFocusNode.requestFocus();
     }
     _cursorOverImage.value = true;
     for (var f in _onEnterOrLeaveImage) {
@@ -505,21 +409,6 @@ class _RemotePageState extends State<RemotePage>
     return out;
   }
 
-  @override
-  void onWindowEvent(String eventName) {
-    print("window event: $eventName");
-    switch (eventName) {
-      case 'resize':
-        _ffi.canvasModel.updateViewStyle();
-        break;
-      case 'maximize':
-        Future.delayed(const Duration(milliseconds: 100), () {
-          _ffi.canvasModel.updateViewStyle();
-        });
-        break;
-    }
-  }
-
   @override
   bool get wantKeepAlive => true;
 }
@@ -747,249 +636,3 @@ class QualityMonitor extends StatelessWidget {
                     )
                   : const SizedBox.shrink())));
 }
-
-void sendPrompt(String id, bool isMac, String key) {
-  FFI _ffi = ffi(id);
-  final old = isMac ? _ffi.command : _ffi.ctrl;
-  if (isMac) {
-    _ffi.command = true;
-  } else {
-    _ffi.ctrl = true;
-  }
-  _ffi.inputKey(key);
-  if (isMac) {
-    _ffi.command = old;
-  } else {
-    _ffi.ctrl = old;
-  }
-}
-
-/// flutter/packages/flutter/lib/src/services/keyboard_key.dart -> _keyLabels
-/// see [LogicalKeyboardKey.keyLabel]
-const Map<int, String> _logicalKeyMap = <int, String>{
-  0x00000000020: 'VK_SPACE',
-  0x00000000022: 'VK_QUOTE',
-  0x0000000002c: 'VK_COMMA',
-  0x0000000002d: 'VK_MINUS',
-  0x0000000002f: 'VK_SLASH',
-  0x00000000030: 'VK_0',
-  0x00000000031: 'VK_1',
-  0x00000000032: 'VK_2',
-  0x00000000033: 'VK_3',
-  0x00000000034: 'VK_4',
-  0x00000000035: 'VK_5',
-  0x00000000036: 'VK_6',
-  0x00000000037: 'VK_7',
-  0x00000000038: 'VK_8',
-  0x00000000039: 'VK_9',
-  0x0000000003b: 'VK_SEMICOLON',
-  0x0000000003d: 'VK_PLUS', // it is =
-  0x0000000005b: 'VK_LBRACKET',
-  0x0000000005c: 'VK_BACKSLASH',
-  0x0000000005d: 'VK_RBRACKET',
-  0x00000000061: 'VK_A',
-  0x00000000062: 'VK_B',
-  0x00000000063: 'VK_C',
-  0x00000000064: 'VK_D',
-  0x00000000065: 'VK_E',
-  0x00000000066: 'VK_F',
-  0x00000000067: 'VK_G',
-  0x00000000068: 'VK_H',
-  0x00000000069: 'VK_I',
-  0x0000000006a: 'VK_J',
-  0x0000000006b: 'VK_K',
-  0x0000000006c: 'VK_L',
-  0x0000000006d: 'VK_M',
-  0x0000000006e: 'VK_N',
-  0x0000000006f: 'VK_O',
-  0x00000000070: 'VK_P',
-  0x00000000071: 'VK_Q',
-  0x00000000072: 'VK_R',
-  0x00000000073: 'VK_S',
-  0x00000000074: 'VK_T',
-  0x00000000075: 'VK_U',
-  0x00000000076: 'VK_V',
-  0x00000000077: 'VK_W',
-  0x00000000078: 'VK_X',
-  0x00000000079: 'VK_Y',
-  0x0000000007a: 'VK_Z',
-  0x00100000008: 'VK_BACK',
-  0x00100000009: 'VK_TAB',
-  0x0010000000d: 'VK_ENTER',
-  0x0010000001b: 'VK_ESCAPE',
-  0x0010000007f: 'VK_DELETE',
-  0x00100000104: 'VK_CAPITAL',
-  0x00100000301: 'VK_DOWN',
-  0x00100000302: 'VK_LEFT',
-  0x00100000303: 'VK_RIGHT',
-  0x00100000304: 'VK_UP',
-  0x00100000305: 'VK_END',
-  0x00100000306: 'VK_HOME',
-  0x00100000307: 'VK_NEXT',
-  0x00100000308: 'VK_PRIOR',
-  0x00100000401: 'VK_CLEAR',
-  0x00100000407: 'VK_INSERT',
-  0x00100000504: 'VK_CANCEL',
-  0x00100000506: 'VK_EXECUTE',
-  0x00100000508: 'VK_HELP',
-  0x00100000509: 'VK_PAUSE',
-  0x0010000050c: 'VK_SELECT',
-  0x00100000608: 'VK_PRINT',
-  0x00100000705: 'VK_CONVERT',
-  0x00100000706: 'VK_FINAL',
-  0x00100000711: 'VK_HANGUL',
-  0x00100000712: 'VK_HANJA',
-  0x00100000713: 'VK_JUNJA',
-  0x00100000718: 'VK_KANA',
-  0x00100000719: 'VK_KANJI',
-  0x00100000801: 'VK_F1',
-  0x00100000802: 'VK_F2',
-  0x00100000803: 'VK_F3',
-  0x00100000804: 'VK_F4',
-  0x00100000805: 'VK_F5',
-  0x00100000806: 'VK_F6',
-  0x00100000807: 'VK_F7',
-  0x00100000808: 'VK_F8',
-  0x00100000809: 'VK_F9',
-  0x0010000080a: 'VK_F10',
-  0x0010000080b: 'VK_F11',
-  0x0010000080c: 'VK_F12',
-  0x00100000d2b: 'Apps',
-  0x00200000002: 'VK_SLEEP',
-  0x00200000100: 'VK_CONTROL',
-  0x00200000101: 'RControl',
-  0x00200000102: 'VK_SHIFT',
-  0x00200000103: 'RShift',
-  0x00200000104: 'VK_MENU',
-  0x00200000105: 'RAlt',
-  0x002000001f0: 'VK_CONTROL',
-  0x002000001f2: 'VK_SHIFT',
-  0x002000001f4: 'VK_MENU',
-  0x002000001f6: 'Meta',
-  0x0020000022a: 'VK_MULTIPLY',
-  0x0020000022b: 'VK_ADD',
-  0x0020000022d: 'VK_SUBTRACT',
-  0x0020000022e: 'VK_DECIMAL',
-  0x0020000022f: 'VK_DIVIDE',
-  0x00200000230: 'VK_NUMPAD0',
-  0x00200000231: 'VK_NUMPAD1',
-  0x00200000232: 'VK_NUMPAD2',
-  0x00200000233: 'VK_NUMPAD3',
-  0x00200000234: 'VK_NUMPAD4',
-  0x00200000235: 'VK_NUMPAD5',
-  0x00200000236: 'VK_NUMPAD6',
-  0x00200000237: 'VK_NUMPAD7',
-  0x00200000238: 'VK_NUMPAD8',
-  0x00200000239: 'VK_NUMPAD9',
-};
-
-/// flutter/packages/flutter/lib/src/services/keyboard_key.dart -> _debugName
-/// see [PhysicalKeyboardKey.debugName] -> _debugName
-const Map<int, String> _physicalKeyMap = <int, String>{
-  0x00010082: 'VK_SLEEP',
-  0x00070004: 'VK_A',
-  0x00070005: 'VK_B',
-  0x00070006: 'VK_C',
-  0x00070007: 'VK_D',
-  0x00070008: 'VK_E',
-  0x00070009: 'VK_F',
-  0x0007000a: 'VK_G',
-  0x0007000b: 'VK_H',
-  0x0007000c: 'VK_I',
-  0x0007000d: 'VK_J',
-  0x0007000e: 'VK_K',
-  0x0007000f: 'VK_L',
-  0x00070010: 'VK_M',
-  0x00070011: 'VK_N',
-  0x00070012: 'VK_O',
-  0x00070013: 'VK_P',
-  0x00070014: 'VK_Q',
-  0x00070015: 'VK_R',
-  0x00070016: 'VK_S',
-  0x00070017: 'VK_T',
-  0x00070018: 'VK_U',
-  0x00070019: 'VK_V',
-  0x0007001a: 'VK_W',
-  0x0007001b: 'VK_X',
-  0x0007001c: 'VK_Y',
-  0x0007001d: 'VK_Z',
-  0x0007001e: 'VK_1',
-  0x0007001f: 'VK_2',
-  0x00070020: 'VK_3',
-  0x00070021: 'VK_4',
-  0x00070022: 'VK_5',
-  0x00070023: 'VK_6',
-  0x00070024: 'VK_7',
-  0x00070025: 'VK_8',
-  0x00070026: 'VK_9',
-  0x00070027: 'VK_0',
-  0x00070028: 'VK_ENTER',
-  0x00070029: 'VK_ESCAPE',
-  0x0007002a: 'VK_BACK',
-  0x0007002b: 'VK_TAB',
-  0x0007002c: 'VK_SPACE',
-  0x0007002d: 'VK_MINUS',
-  0x0007002e: 'VK_PLUS', // it is =
-  0x0007002f: 'VK_LBRACKET',
-  0x00070030: 'VK_RBRACKET',
-  0x00070033: 'VK_SEMICOLON',
-  0x00070034: 'VK_QUOTE',
-  0x00070036: 'VK_COMMA',
-  0x00070038: 'VK_SLASH',
-  0x00070039: 'VK_CAPITAL',
-  0x0007003a: 'VK_F1',
-  0x0007003b: 'VK_F2',
-  0x0007003c: 'VK_F3',
-  0x0007003d: 'VK_F4',
-  0x0007003e: 'VK_F5',
-  0x0007003f: 'VK_F6',
-  0x00070040: 'VK_F7',
-  0x00070041: 'VK_F8',
-  0x00070042: 'VK_F9',
-  0x00070043: 'VK_F10',
-  0x00070044: 'VK_F11',
-  0x00070045: 'VK_F12',
-  0x00070049: 'VK_INSERT',
-  0x0007004a: 'VK_HOME',
-  0x0007004b: 'VK_PRIOR', // Page Up
-  0x0007004c: 'VK_DELETE',
-  0x0007004d: 'VK_END',
-  0x0007004e: 'VK_NEXT', // Page Down
-  0x0007004f: 'VK_RIGHT',
-  0x00070050: 'VK_LEFT',
-  0x00070051: 'VK_DOWN',
-  0x00070052: 'VK_UP',
-  0x00070053: 'Num Lock', // TODO rust not impl
-  0x00070054: 'VK_DIVIDE', // numpad
-  0x00070055: 'VK_MULTIPLY',
-  0x00070056: 'VK_SUBTRACT',
-  0x00070057: 'VK_ADD',
-  0x00070058: 'VK_ENTER', // num enter
-  0x00070059: 'VK_NUMPAD0',
-  0x0007005a: 'VK_NUMPAD1',
-  0x0007005b: 'VK_NUMPAD2',
-  0x0007005c: 'VK_NUMPAD3',
-  0x0007005d: 'VK_NUMPAD4',
-  0x0007005e: 'VK_NUMPAD5',
-  0x0007005f: 'VK_NUMPAD6',
-  0x00070060: 'VK_NUMPAD7',
-  0x00070061: 'VK_NUMPAD8',
-  0x00070062: 'VK_NUMPAD9',
-  0x00070063: 'VK_DECIMAL',
-  0x00070075: 'VK_HELP',
-  0x00070077: 'VK_SELECT',
-  0x00070088: 'VK_KANA',
-  0x0007008a: 'VK_CONVERT',
-  0x000700e0: 'VK_CONTROL',
-  0x000700e1: 'VK_SHIFT',
-  0x000700e2: 'VK_MENU',
-  0x000700e3: 'Meta',
-  0x000700e4: 'RControl',
-  0x000700e5: 'RShift',
-  0x000700e6: 'RAlt',
-  0x000700e7: 'RWin',
-  0x000c00b1: 'VK_PAUSE',
-  0x000c00cd: 'VK_PAUSE',
-  0x000c019e: 'LOCK_SCREEN',
-  0x000c0208: 'VK_PRINT',
-};
diff --git a/flutter/lib/desktop/pages/server_page.dart b/flutter/lib/desktop/pages/server_page.dart
index b49bfdc27..62e60ba26 100644
--- a/flutter/lib/desktop/pages/server_page.dart
+++ b/flutter/lib/desktop/pages/server_page.dart
@@ -98,13 +98,6 @@ class ConnectionManagerState extends State<ConnectionManager> {
     gFFI.serverModel.updateClientState();
     gFFI.serverModel.tabController.onSelected = (index) =>
         gFFI.chatModel.changeCurrentID(gFFI.serverModel.clients[index].id);
-    // test
-    // gFFI.serverModel.clients.forEach((client) {
-    //   DesktopTabBar.onAdd(
-    //       gFFI.serverModel.tabs,
-    //       TabInfo(
-    //           key: client.id.toString(), label: client.name, closable: false));
-    // });
     super.initState();
   }
 
diff --git a/flutter/lib/desktop/widgets/peercard_widget.dart b/flutter/lib/desktop/widgets/peercard_widget.dart
index a809adf9c..d9a87cd7b 100644
--- a/flutter/lib/desktop/widgets/peercard_widget.dart
+++ b/flutter/lib/desktop/widgets/peercard_widget.dart
@@ -99,7 +99,7 @@ class _PeerCardState extends State<_PeerCard>
                 color: str2color('${peer.id}${peer.platform}', 0x7f),
               ),
               alignment: Alignment.center,
-              child: _getPlatformImage('${peer.platform}', 30).paddingAll(6),
+              child: getPlatformImage(peer.platform, size: 30).paddingAll(6),
             ),
             Expanded(
               child: Container(
@@ -196,7 +196,8 @@ class _PeerCardState extends State<_PeerCard>
                             children: [
                               Container(
                                 padding: const EdgeInsets.all(6),
-                                child: _getPlatformImage(peer.platform, 60),
+                                child:
+                                    getPlatformImage(peer.platform, size: 60),
                               ),
                               Row(
                                 children: [
@@ -287,17 +288,6 @@ class _PeerCardState extends State<_PeerCard>
     );
   }
 
-  /// Get the image for the current [platform].
-  Widget _getPlatformImage(String platform, double size) {
-    platform = platform.toLowerCase();
-    if (platform == 'mac os') {
-      platform = 'mac';
-    } else if (platform != 'linux' && platform != 'android') {
-      platform = 'win';
-    }
-    return Image.asset('assets/$platform.png', height: size, width: size);
-  }
-
   @override
   bool get wantKeepAlive => true;
 }
diff --git a/flutter/lib/mobile/pages/connection_page.dart b/flutter/lib/mobile/pages/connection_page.dart
index 7549bbae7..e6eddd087 100644
--- a/flutter/lib/mobile/pages/connection_page.dart
+++ b/flutter/lib/mobile/pages/connection_page.dart
@@ -215,15 +215,6 @@ class _ConnectionPageState extends State<ConnectionPage> {
     super.dispose();
   }
 
-  /// Get the image for the current [platform].
-  Widget getPlatformImage(String platform) {
-    platform = platform.toLowerCase();
-    if (platform == 'mac os')
-      platform = 'mac';
-    else if (platform != 'linux' && platform != 'android') platform = 'win';
-    return Image.asset('assets/$platform.png', width: 24, height: 24);
-  }
-
   /// Get all the saved peers.
   Widget getPeers() {
     final windowWidth = MediaQuery.of(context).size.width;
diff --git a/flutter/lib/mobile/pages/remote_page.dart b/flutter/lib/mobile/pages/remote_page.dart
index a9a03c04d..d9943a62d 100644
--- a/flutter/lib/mobile/pages/remote_page.dart
+++ b/flutter/lib/mobile/pages/remote_page.dart
@@ -10,6 +10,7 @@ import 'package:provider/provider.dart';
 import 'package:wakelock/wakelock.dart';
 
 import '../../common.dart';
+import '../../consts.dart';
 import '../../models/model.dart';
 import '../../models/platform_model.dart';
 import '../widgets/dialog.dart';
@@ -211,8 +212,8 @@ class _RemotePageState extends State<RemotePage> {
 
   void sendRawKey(RawKeyEvent e, {bool? down, bool? press}) {
     // for maximum compatibility
-    final label = _logicalKeyMap[e.logicalKey.keyId] ??
-        _physicalKeyMap[e.physicalKey.usbHidUsage] ??
+    final label = logicalKeyMap[e.logicalKey.keyId] ??
+        physicalKeyMap[e.physicalKey.usbHidUsage] ??
         e.logicalKey.keyLabel;
     gFFI.inputKey(label, down: down, press: press ?? false);
   }
@@ -1170,233 +1171,3 @@ void sendPrompt(bool isMac, String key) {
     gFFI.ctrl = old;
   }
 }
-
-/// flutter/packages/flutter/lib/src/services/keyboard_key.dart -> _keyLabels
-/// see [LogicalKeyboardKey.keyLabel]
-const Map<int, String> _logicalKeyMap = <int, String>{
-  0x00000000020: 'VK_SPACE',
-  0x00000000022: 'VK_QUOTE',
-  0x0000000002c: 'VK_COMMA',
-  0x0000000002d: 'VK_MINUS',
-  0x0000000002f: 'VK_SLASH',
-  0x00000000030: 'VK_0',
-  0x00000000031: 'VK_1',
-  0x00000000032: 'VK_2',
-  0x00000000033: 'VK_3',
-  0x00000000034: 'VK_4',
-  0x00000000035: 'VK_5',
-  0x00000000036: 'VK_6',
-  0x00000000037: 'VK_7',
-  0x00000000038: 'VK_8',
-  0x00000000039: 'VK_9',
-  0x0000000003b: 'VK_SEMICOLON',
-  0x0000000003d: 'VK_PLUS', // it is =
-  0x0000000005b: 'VK_LBRACKET',
-  0x0000000005c: 'VK_BACKSLASH',
-  0x0000000005d: 'VK_RBRACKET',
-  0x00000000061: 'VK_A',
-  0x00000000062: 'VK_B',
-  0x00000000063: 'VK_C',
-  0x00000000064: 'VK_D',
-  0x00000000065: 'VK_E',
-  0x00000000066: 'VK_F',
-  0x00000000067: 'VK_G',
-  0x00000000068: 'VK_H',
-  0x00000000069: 'VK_I',
-  0x0000000006a: 'VK_J',
-  0x0000000006b: 'VK_K',
-  0x0000000006c: 'VK_L',
-  0x0000000006d: 'VK_M',
-  0x0000000006e: 'VK_N',
-  0x0000000006f: 'VK_O',
-  0x00000000070: 'VK_P',
-  0x00000000071: 'VK_Q',
-  0x00000000072: 'VK_R',
-  0x00000000073: 'VK_S',
-  0x00000000074: 'VK_T',
-  0x00000000075: 'VK_U',
-  0x00000000076: 'VK_V',
-  0x00000000077: 'VK_W',
-  0x00000000078: 'VK_X',
-  0x00000000079: 'VK_Y',
-  0x0000000007a: 'VK_Z',
-  0x00100000008: 'VK_BACK',
-  0x00100000009: 'VK_TAB',
-  0x0010000000d: 'VK_ENTER',
-  0x0010000001b: 'VK_ESCAPE',
-  0x0010000007f: 'VK_DELETE',
-  0x00100000104: 'VK_CAPITAL',
-  0x00100000301: 'VK_DOWN',
-  0x00100000302: 'VK_LEFT',
-  0x00100000303: 'VK_RIGHT',
-  0x00100000304: 'VK_UP',
-  0x00100000305: 'VK_END',
-  0x00100000306: 'VK_HOME',
-  0x00100000307: 'VK_NEXT',
-  0x00100000308: 'VK_PRIOR',
-  0x00100000401: 'VK_CLEAR',
-  0x00100000407: 'VK_INSERT',
-  0x00100000504: 'VK_CANCEL',
-  0x00100000506: 'VK_EXECUTE',
-  0x00100000508: 'VK_HELP',
-  0x00100000509: 'VK_PAUSE',
-  0x0010000050c: 'VK_SELECT',
-  0x00100000608: 'VK_PRINT',
-  0x00100000705: 'VK_CONVERT',
-  0x00100000706: 'VK_FINAL',
-  0x00100000711: 'VK_HANGUL',
-  0x00100000712: 'VK_HANJA',
-  0x00100000713: 'VK_JUNJA',
-  0x00100000718: 'VK_KANA',
-  0x00100000719: 'VK_KANJI',
-  0x00100000801: 'VK_F1',
-  0x00100000802: 'VK_F2',
-  0x00100000803: 'VK_F3',
-  0x00100000804: 'VK_F4',
-  0x00100000805: 'VK_F5',
-  0x00100000806: 'VK_F6',
-  0x00100000807: 'VK_F7',
-  0x00100000808: 'VK_F8',
-  0x00100000809: 'VK_F9',
-  0x0010000080a: 'VK_F10',
-  0x0010000080b: 'VK_F11',
-  0x0010000080c: 'VK_F12',
-  0x00100000d2b: 'Apps',
-  0x00200000002: 'VK_SLEEP',
-  0x00200000100: 'VK_CONTROL',
-  0x00200000101: 'RControl',
-  0x00200000102: 'VK_SHIFT',
-  0x00200000103: 'RShift',
-  0x00200000104: 'VK_MENU',
-  0x00200000105: 'RAlt',
-  0x002000001f0: 'VK_CONTROL',
-  0x002000001f2: 'VK_SHIFT',
-  0x002000001f4: 'VK_MENU',
-  0x002000001f6: 'Meta',
-  0x0020000022a: 'VK_MULTIPLY',
-  0x0020000022b: 'VK_ADD',
-  0x0020000022d: 'VK_SUBTRACT',
-  0x0020000022e: 'VK_DECIMAL',
-  0x0020000022f: 'VK_DIVIDE',
-  0x00200000230: 'VK_NUMPAD0',
-  0x00200000231: 'VK_NUMPAD1',
-  0x00200000232: 'VK_NUMPAD2',
-  0x00200000233: 'VK_NUMPAD3',
-  0x00200000234: 'VK_NUMPAD4',
-  0x00200000235: 'VK_NUMPAD5',
-  0x00200000236: 'VK_NUMPAD6',
-  0x00200000237: 'VK_NUMPAD7',
-  0x00200000238: 'VK_NUMPAD8',
-  0x00200000239: 'VK_NUMPAD9',
-};
-
-/// flutter/packages/flutter/lib/src/services/keyboard_key.dart -> _debugName
-/// see [PhysicalKeyboardKey.debugName] -> _debugName
-const Map<int, String> _physicalKeyMap = <int, String>{
-  0x00010082: 'VK_SLEEP',
-  0x00070004: 'VK_A',
-  0x00070005: 'VK_B',
-  0x00070006: 'VK_C',
-  0x00070007: 'VK_D',
-  0x00070008: 'VK_E',
-  0x00070009: 'VK_F',
-  0x0007000a: 'VK_G',
-  0x0007000b: 'VK_H',
-  0x0007000c: 'VK_I',
-  0x0007000d: 'VK_J',
-  0x0007000e: 'VK_K',
-  0x0007000f: 'VK_L',
-  0x00070010: 'VK_M',
-  0x00070011: 'VK_N',
-  0x00070012: 'VK_O',
-  0x00070013: 'VK_P',
-  0x00070014: 'VK_Q',
-  0x00070015: 'VK_R',
-  0x00070016: 'VK_S',
-  0x00070017: 'VK_T',
-  0x00070018: 'VK_U',
-  0x00070019: 'VK_V',
-  0x0007001a: 'VK_W',
-  0x0007001b: 'VK_X',
-  0x0007001c: 'VK_Y',
-  0x0007001d: 'VK_Z',
-  0x0007001e: 'VK_1',
-  0x0007001f: 'VK_2',
-  0x00070020: 'VK_3',
-  0x00070021: 'VK_4',
-  0x00070022: 'VK_5',
-  0x00070023: 'VK_6',
-  0x00070024: 'VK_7',
-  0x00070025: 'VK_8',
-  0x00070026: 'VK_9',
-  0x00070027: 'VK_0',
-  0x00070028: 'VK_ENTER',
-  0x00070029: 'VK_ESCAPE',
-  0x0007002a: 'VK_BACK',
-  0x0007002b: 'VK_TAB',
-  0x0007002c: 'VK_SPACE',
-  0x0007002d: 'VK_MINUS',
-  0x0007002e: 'VK_PLUS', // it is =
-  0x0007002f: 'VK_LBRACKET',
-  0x00070030: 'VK_RBRACKET',
-  0x00070033: 'VK_SEMICOLON',
-  0x00070034: 'VK_QUOTE',
-  0x00070036: 'VK_COMMA',
-  0x00070038: 'VK_SLASH',
-  0x00070039: 'VK_CAPITAL',
-  0x0007003a: 'VK_F1',
-  0x0007003b: 'VK_F2',
-  0x0007003c: 'VK_F3',
-  0x0007003d: 'VK_F4',
-  0x0007003e: 'VK_F5',
-  0x0007003f: 'VK_F6',
-  0x00070040: 'VK_F7',
-  0x00070041: 'VK_F8',
-  0x00070042: 'VK_F9',
-  0x00070043: 'VK_F10',
-  0x00070044: 'VK_F11',
-  0x00070045: 'VK_F12',
-  0x00070049: 'VK_INSERT',
-  0x0007004a: 'VK_HOME',
-  0x0007004b: 'VK_PRIOR', // Page Up
-  0x0007004c: 'VK_DELETE',
-  0x0007004d: 'VK_END',
-  0x0007004e: 'VK_NEXT', // Page Down
-  0x0007004f: 'VK_RIGHT',
-  0x00070050: 'VK_LEFT',
-  0x00070051: 'VK_DOWN',
-  0x00070052: 'VK_UP',
-  0x00070053: 'Num Lock', // TODO rust not impl
-  0x00070054: 'VK_DIVIDE', // numpad
-  0x00070055: 'VK_MULTIPLY',
-  0x00070056: 'VK_SUBTRACT',
-  0x00070057: 'VK_ADD',
-  0x00070058: 'VK_ENTER', // num enter
-  0x00070059: 'VK_NUMPAD0',
-  0x0007005a: 'VK_NUMPAD1',
-  0x0007005b: 'VK_NUMPAD2',
-  0x0007005c: 'VK_NUMPAD3',
-  0x0007005d: 'VK_NUMPAD4',
-  0x0007005e: 'VK_NUMPAD5',
-  0x0007005f: 'VK_NUMPAD6',
-  0x00070060: 'VK_NUMPAD7',
-  0x00070061: 'VK_NUMPAD8',
-  0x00070062: 'VK_NUMPAD9',
-  0x00070063: 'VK_DECIMAL',
-  0x00070075: 'VK_HELP',
-  0x00070077: 'VK_SELECT',
-  0x00070088: 'VK_KANA',
-  0x0007008a: 'VK_CONVERT',
-  0x000700e0: 'VK_CONTROL',
-  0x000700e1: 'VK_SHIFT',
-  0x000700e2: 'VK_MENU',
-  0x000700e3: 'Meta',
-  0x000700e4: 'RControl',
-  0x000700e5: 'RShift',
-  0x000700e6: 'RAlt',
-  0x000700e7: 'RWin',
-  0x000c00b1: 'VK_PAUSE',
-  0x000c00cd: 'VK_PAUSE',
-  0x000c019e: 'LOCK_SCREEN',
-  0x000c0208: 'VK_PRINT',
-};